diff options
| author | Michael Brüning <michael.bruning@qt.io> | 2020-01-27 14:45:07 +0100 |
|---|---|---|
| committer | Michal Klocek <michal.klocek@qt.io> | 2020-01-27 14:27:39 +0000 |
| commit | 2d6458e6669b4c6e01b6836131cdf63c6c4993b7 (patch) | |
| tree | 4f8274d37833d1fc243cfa8e086f51258a28f90e /src | |
| parent | 6b06fb702872cc2af219ba8c2050d239fab9ee21 (diff) | |
| parent | eda1b89972f8a3c87d8929ec4bcea20aabb78ab6 (diff) | |
Merge "Merge remote-tracking branch 'origin/wip/qtpdf' into 5.15"
Diffstat (limited to 'src')
62 files changed, 5717 insertions, 38 deletions
diff --git a/src/buildtools/config/common.pri b/src/buildtools/config/common.pri index 97d39535c..9cd8cb089 100644 --- a/src/buildtools/config/common.pri +++ b/src/buildtools/config/common.pri @@ -39,7 +39,7 @@ greaterThan(QMAKE_JUMBO_MERGE_LIMIT,0) { gn_args += jumbo_build_excluded="[\"browser\"]" } -qtConfig(webengine-printing-and-pdf) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-printing-and-pdf) { gn_args += enable_basic_printing=true enable_print_preview=true gn_args += enable_pdf=true } else { @@ -47,27 +47,31 @@ qtConfig(webengine-printing-and-pdf) { gn_args += enable_pdf=false } -qtConfig(webengine-pepper-plugins) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-pepper-plugins) { gn_args += enable_plugins=true } else { gn_args += enable_plugins=false } -qtConfig(webengine-spellchecker) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-spellchecker) { gn_args += enable_spellcheck=true } else { gn_args += enable_spellcheck=false } -qtConfig(webengine-webrtc) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-webrtc) { gn_args += enable_webrtc=true } else { gn_args += enable_webrtc=false audio_processing_in_audio_service_supported=false } -qtConfig(webengine-proprietary-codecs): gn_args += proprietary_codecs=true ffmpeg_branding=\"Chrome\" +qtConfig(build-qtwebengine-core):qtConfig(webengine-proprietary-codecs) { + gn_args += proprietary_codecs=true ffmpeg_branding=\"Chrome\" +} else { + gn_args += proprietary_codecs=false +} -qtConfig(webengine-extensions) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-extensions) { gn_args += enable_extensions=true } else { gn_args += enable_extensions=false @@ -122,13 +126,13 @@ optimize_size: gn_args += optimize_for_size=true sanitize_undefined: gn_args += is_ubsan=true is_ubsan_vptr=true } -qtConfig(webengine-v8-snapshot):qtConfig(webengine-v8-snapshot-support) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-v8-snapshot):qtConfig(webengine-v8-snapshot-support) { gn_args += v8_use_snapshot=true } else { gn_args += v8_use_snapshot=false } -qtConfig(webengine-kerberos) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-kerberos) { gn_args += use_kerberos=true } else { gn_args += use_kerberos=false @@ -139,3 +143,4 @@ ccache { } qtConfig(force_asserts): gn_args += dcheck_always_on=true + diff --git a/src/buildtools/config/ios.pri b/src/buildtools/config/ios.pri new file mode 100644 index 000000000..5dc7faf9d --- /dev/null +++ b/src/buildtools/config/ios.pri @@ -0,0 +1,66 @@ +load(functions) + +include($$QTWEBENGINE_OUT_ROOT/src/buildtools/qtbuildtools-config.pri) +include($$QTWEBENGINE_OUT_ROOT/src/pdf/qtpdf-config.pri) +QT_FOR_CONFIG += buildtools-private pdf-private + +clang_dir = $$which($${QMAKE_CXX}) +clang_dir = $$clean_path("$$dirname(clang_dir)/../") + +gn_args += \ +use_qt=true \ +closure_compile=false \ +is_component_build=false \ +is_shared=true \ +is_debug=true \ +enable_message_center=false \ +enable_nacl=false \ +enable_remoting=false \ +enable_reporting=false \ +enable_resource_whitelist_generation=false \ +enable_swiftshader=false \ +enable_web_speech=false \ +has_native_accessibility=false \ +enable_debugallocation=false \ +use_allocator_shim=false \ +use_allocator=\"none\" \ +use_custom_libcxx=false \ +v8_use_external_startup_data=false \ +v8_use_snapshot=false \ +toolkit_views=false \ +treat_warnings_as_errors=false \ +safe_browsing_mode=0 \ +optimize_webui=false \ +forbid_non_component_debug_builds=false \ +clang_use_chrome_plugins=false \ +use_xcode_clang=true \ +clang_base_path=\"$${clang_dir}\" \ +ios_enable_code_signing=false \ +target_os=\"ios\" \ +ios_deployment_target=\"$${QMAKE_IOS_DEPLOYMENT_TARGET}\" \ +enable_ios_bitcode=true \ +use_jumbo_build=false + +device:simulator { + # we do fat libray + gn_args+= \ + target_cpu=\"$${QMAKE_APPLE_DEVICE_ARCHS}\" \ + use_qt_fat_lib=true \ + arm_use_neon=false\ + # note this adds one arch of simulator at the moment, see also additional_target_cpus + target_sysroot=\"$$xcodeSDKInfo(Path, $$device.sdk)\" \ + additional_target_sysroot=[\"$$xcodeSDKInfo(Path, $$simulator.sdk)\"] +} else { + simulator { + equals(QMAKE_APPLE_SIMULATOR_ARCHS,"x86_64") { + gn_args+=target_cpu=\"x64\" + } else { + gn_args+=target_cpu=\"$${QMAKE_APPLE_SIMULATOR_ARCHS}\" + } + gn_args+=target_sysroot=\"$$xcodeSDKInfo(Path, $$simulator.sdk)\" + } + device { + gn_args+=target_cpu=\"$${QMAKE_APPLE_DEVICE_ARCHS}\" + gn_args+=target_sysroot=\"$$xcodeSDKInfo(Path, $$device.sdk)\" + } +} diff --git a/src/buildtools/config/linux.pri b/src/buildtools/config/linux.pri index ee08f81bc..add563f28 100644 --- a/src/buildtools/config/linux.pri +++ b/src/buildtools/config/linux.pri @@ -5,7 +5,7 @@ defineReplace(extractCFlag) { return($$qtwebengine_extractCFlag($$1)) } -QT_FOR_CONFIG += gui-private webenginecore-private +QT_FOR_CONFIG += gui-private webenginecore-private pdf-private gn_args += \ use_cups=false \ @@ -26,7 +26,7 @@ gn_args += \ ozone_platform=\"qt\" \ ozone_extra_path=\"$$QTWEBENGINE_ROOT/src/core/ozone/ozone_extra.gni\" -qtConfig(webengine-embedded-build) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-embedded-build) { gn_args += is_desktop_linux=false } @@ -92,7 +92,7 @@ contains(QT_ARCH, "arm") { } } - qtConfig(webengine-arm-thumb) { + qtConfig(build-qtwebengine-core):qtConfig(webengine-arm-thumb) { gn_args += arm_use_thumb=true # this adds -mthumb } else { gn_args += arm_use_thumb=false @@ -158,11 +158,15 @@ host_build { qtConfig(webengine-system-zlib) { qtConfig(webengine-system-minizip): gn_args += use_system_zlib=true use_system_minizip=true - qtConfig(webengine-printing-and-pdf): gn_args += pdfium_use_system_zlib=true + qtConfig(build-qtpdf) || qtConfig(webengine-printing-and-pdf) { + gn_args += pdfium_use_system_zlib=true + } } qtConfig(webengine-system-png) { gn_args += use_system_libpng=true - qtConfig(webengine-printing-and-pdf): gn_args += pdfium_use_system_libpng=true + qtConfig(build-qtpdf) || qtConfig(webengine-printing-and-pdf) { + gn_args += pdfium_use_system_libpng=true + } } qtConfig(webengine-system-jpeg) { gn_args += use_system_libjpeg=true @@ -180,19 +184,19 @@ host_build { gn_args += use_system_harfbuzz=false } gn_args += use_glib=false - qtConfig(webengine-pulseaudio) { + qtConfig(build-qtwebengine-core):qtConfig(webengine-pulseaudio) { gn_args += use_pulseaudio=true } else { gn_args += use_pulseaudio=false } - qtConfig(webengine-alsa) { + qtConfig(build-qtwebengine-core):qtConfig(webengine-alsa) { gn_args += use_alsa=true } else { gn_args += use_alsa=false } !packagesExist(libpci): gn_args += use_libpci=false - qtConfig(webengine-ozone-x11) { + qtConfig(build-qtwebengine-core):qtConfig(webengine-ozone-x11) { gn_args += ozone_platform_x11=true packagesExist(xscrnsaver): gn_args += use_xscrnsaver=true qtConfig(webengine-webrtc): gn_args += rtc_use_x11=true diff --git a/src/buildtools/config/mac_osx.pri b/src/buildtools/config/mac_osx.pri index 3f2fe9c0a..a7ed61214 100644 --- a/src/buildtools/config/mac_osx.pri +++ b/src/buildtools/config/mac_osx.pri @@ -31,7 +31,7 @@ gn_args += \ mac_sdk_min=\"$${QMAKE_MAC_SDK_VERSION}\" \ use_external_popup_menu=false -qtConfig(webengine-spellchecker) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-spellchecker) { qtConfig(webengine-native-spellchecker): gn_args += use_browser_spellchecker=true else: gn_args += use_browser_spellchecker=false } else { diff --git a/src/buildtools/config/pdf.pri b/src/buildtools/config/pdf.pri new file mode 100644 index 000000000..4a1cf08e0 --- /dev/null +++ b/src/buildtools/config/pdf.pri @@ -0,0 +1,36 @@ +include($$QTWEBENGINE_OUT_ROOT/src/pdf/qtpdf-config.pri) +QT_FOR_CONFIG += pdf-private + +qtConfig(build-qtpdf) { + qtConfig(pdf-v8) { + gn_args += pdf_enable_v8=true + } else { + gn_args += pdf_enable_v8=false + } + qtConfig(pdf-xfa) { + gn_args += pdf_enable_xfa=true + } else { + gn_args += pdf_enable_xfa=false + } + qtConfig(pdf-xfa-bmp) { + gn_args += pdf_enable_xfa_bmp=true + } else { + gn_args += pdf_enable_xfa_bmp=false + } + qtConfig(pdf-xfa-gif) { + gn_args += pdf_enable_xfa_gif=true + } else { + gn_args += pdf_enable_xfa_gif=false + } + qtConfig(pdf-xfa-png) { + gn_args += pdf_enable_xfa_png=true + } else { + gn_args += pdf_enable_xfa_png=false + } + qtConfig(pdf-xfa-tiff) { + gn_args += pdf_enable_xfa_tiff=true + } else { + gn_args += pdf_enable_xfa_tiff=false + } +} + diff --git a/src/buildtools/config/support.pri b/src/buildtools/config/support.pri index 5bdd808d4..86ca2f80e 100644 --- a/src/buildtools/config/support.pri +++ b/src/buildtools/config/support.pri @@ -6,11 +6,6 @@ defineTest(qtwebengine_skipBuild) { defineReplace(qtwebengine_checkError) { - static { - qtwebengine_skipBuild("Static builds of QtWebEngine are not supported.") - return(false) - } - !qtHaveModule(gui) { qtwebengine_skipBuild("QtWebEngine requires QtGui.") return(false) @@ -68,6 +63,7 @@ defineReplace(qtwebengine_checkError) { linux:!qtwebengine_checkErrorForLinux():return(false) win:!qtwebengine_checkErrorForWindows():return(false) + macos:!qtwebengine_checkErrorForMacOS():return(false) sanitizer: !qtConfig(webengine-sanitizer) { qtwebengine_skipBuild("Chosen sanitizer configuration is not supported for QtWebEngine. Check config.log for details or use -feature-webengine-sanitizer to force build with the chosen sanitizer configuration.") @@ -77,8 +73,20 @@ defineReplace(qtwebengine_checkError) { return(true) } +defineTest(qtwebengine_checkErrorFoMacOS) { + static { + qtwebengine_skipBuild("Static builds of QtWebEngine are not supported.") + return(false) + } +} + defineTest(qtwebengine_checkErrorForLinux) { + static { + qtwebengine_skipBuild("Static builds of QtWebEngine are not supported.") + return(false) + } + !qtConfig(pkg-config) { qtwebengine_skipBuild("A pkg-config support is required to build QtWebEngine.") return(false) @@ -114,6 +122,12 @@ defineTest(qtwebengine_checkErrorForLinux) { } defineTest(qtwebengine_checkErrorForWindows) { + + static { + qtwebengine_skipBuild("Static builds of QtWebEngine are not supported.") + return(false) + } + !qtConfig(webengine-win-compiler64) { qtwebengine_skipBuild("64-bit cross-building or native toolchain required to build QtWebEngine could not be found.") return(false) diff --git a/src/buildtools/config/windows.pri b/src/buildtools/config/windows.pri index 5d7b7e1f2..2e5ebb876 100644 --- a/src/buildtools/config/windows.pri +++ b/src/buildtools/config/windows.pri @@ -89,7 +89,7 @@ msvc { error("Qt WebEngine for Windows can only be built with a Microsoft Visual Studio C++ compatible compiler") } -qtConfig(webengine-spellchecker) { +qtConfig(build-qtwebengine-core):qtConfig(webengine-spellchecker) { qtConfig(webengine-native-spellchecker): gn_args += use_browser_spellchecker=true else: gn_args += use_browser_spellchecker=false } else { diff --git a/src/buildtools/configure.json b/src/buildtools/configure.json index f04fdae81..939d689fd 100644 --- a/src/buildtools/configure.json +++ b/src/buildtools/configure.json @@ -9,6 +9,7 @@ "commandline": { "options": { "build-qtwebengine-core": "boolean", + "build-qtpdf": "boolean", "webengine-jumbo-build": { "type": "optionalString", "name": "merge_limit"} } }, @@ -389,6 +390,22 @@ && (!config.win32 || features.webengine-winversion)", "output": [ "privateFeature" ] }, + "webengine-qtpdf-support": { + "label": "Support Qt Pdf", + "condition": "module.gui + && features.webengine-python2 + && features.webengine-gperf + && features.webengine-bison + && features.webengine-flex + && features.webengine-submodule + && features.webengine-nowhitespace + && features.webengine-arch-support + && !features.webengine-no-platform-support + && (!config.static || config.ios) + && (!config.linux || features.pkg-config) + && (!config.win32 || features.webengine-winversion)", + "output": [ "privateFeature" ] + }, "build-qtwebengine-core": { "label": "Build Qt WebEngine Core", "purpose": "Provides WebEngine Core support.", @@ -681,7 +698,8 @@ "report": [ { "type": "skipBuildWarning", - "condition": "!features.webengine-core-support && (features.build-qtwebengine-core || features.build-qtpdf)", + "condition": "(!features.webengine-core-support && features.build-qtwebengine-core) || + (!features.webengine-qtpdf-support && features.build-qtpdf)", "message": "qtwebengine_confCheckError" }, { @@ -691,7 +709,7 @@ }, { "type": "note", - "condition": "features.webengine-core-support && !features.build-qtpdf", + "condition": "features.webengine-qtpdf-support && !features.build-qtpdf", "message": "QtPdf build is disabled by user." }, { @@ -701,8 +719,13 @@ }, { "type": "warning", - "condition": "!features.webengine-core-support && features.build-qtpdf", + "condition": "!features.webengine-qtpdf-support && features.build-qtpdf", "message": "QtPdf will not be built." + }, + { + "type": "warning", + "condition": "config.ios && config.simulator && config.device && features.build-qtpdf", + "message": "Building fat libray with device and simulator architectures will disable NEON." } ], "summary": [ @@ -711,14 +734,14 @@ "entries": [ "webengine-system-ninja", "webengine-system-gn", - { + { "message": "Jumbo Build Merge Limit", "type": "jumboBuild" }, "webengine-developer-build", { "section": "QtWebEngine required system libraries", - "condition": "config.unix && !config.macos", + "condition": "config.unix && !config.macos && !config.ios", "entries": [ "webengine-system-fontconfig", "webengine-system-dbus", diff --git a/src/core/configure.json b/src/core/configure.json index 9059575b9..9f05409ba 100644 --- a/src/core/configure.json +++ b/src/core/configure.json @@ -104,7 +104,6 @@ "webengine-embedded-build": { "label": "Embedded build", "purpose": "Enables the embedded build configuration.", - "section": "WebEngine", "condition": "config.unix", "autoDetect": "tests.webengine-embedded-build", "output": [ "privateFeature" ] @@ -139,14 +138,12 @@ "webengine-pepper-plugins": { "label": "Pepper Plugins", "purpose": "Enables use of Pepper Flash plugins.", - "section": "WebEngine", "autoDetect": "!features.webengine-embedded-build", "output": [ "privateFeature" ] }, "webengine-printing-and-pdf": { "label": "Printing and PDF", "purpose": "Provides printing and output to PDF.", - "section": "WebEngine", "condition": "module.printsupport && features.printer", "autoDetect": "!features.webengine-embedded-build", "output": [ "privateFeature" ] @@ -161,7 +158,6 @@ "webengine-proprietary-codecs": { "label": "Proprietary Codecs", "purpose": "Enables the use of proprietary codecs such as h.264/h.265 and MP3.", - "section": "WebEngine", "autoDetect": false, "output": [ "privateFeature" ] }, @@ -175,13 +171,11 @@ "webengine-spellchecker": { "label": "Spellchecker", "purpose": "Provides a spellchecker.", - "section": "WebEngine", "output": [ "publicFeature" ] }, "webengine-native-spellchecker": { "label": "Native Spellchecker", "purpose": "Use the system's native spellchecking engine.", - "section": "WebEngine", "autoDetect": false, "condition": "config.macos && features.webengine-spellchecker", "output": [ "publicFeature" ] @@ -197,7 +191,6 @@ "webengine-webrtc": { "label": "WebRTC", "purpose": "Provides WebRTC support.", - "section": "WebEngine", "autoDetect": "!features.webengine-embedded-build", "output": [ "privateFeature" ] }, diff --git a/src/core/core_gn_config.pri b/src/core/core_gn_config.pri index a089eecd0..2b8f2e18f 100644 --- a/src/core/core_gn_config.pri +++ b/src/core/core_gn_config.pri @@ -11,6 +11,7 @@ qtConfig (webengine-extensions) { } GN_CORE_INCLUDE_DIRS = $$PWD/service GN_CREATE_PRI = true +GN_PRECOMPILED_HEADERS = true QMAKE_INTERNAL_INCLUDED_FILES = $$GN_IMPORTS $$GN_INCLUDES $$GN_FILE diff --git a/src/pdf/api/qpdfbookmarkmodel.h b/src/pdf/api/qpdfbookmarkmodel.h new file mode 100644 index 000000000..503a29100 --- /dev/null +++ b/src/pdf/api/qpdfbookmarkmodel.h @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFBOOKMARKMODEL_H +#define QPDFBOOKMARKMODEL_H + +#include <QtPdf/qtpdfglobal.h> +#include <QAbstractItemModel> + +QT_BEGIN_NAMESPACE + +class QPdfDocument; +class QPdfBookmarkModelPrivate; + +class Q_PDF_EXPORT QPdfBookmarkModel : public QAbstractItemModel +{ + Q_OBJECT + + Q_PROPERTY(QPdfDocument* document READ document WRITE setDocument NOTIFY documentChanged) + Q_PROPERTY(StructureMode structureMode READ structureMode WRITE setStructureMode NOTIFY structureModeChanged) + +public: + enum StructureMode + { + TreeMode, + ListMode + }; + Q_ENUM(StructureMode) + + enum Role + { + TitleRole = Qt::DisplayRole, + LevelRole = Qt::UserRole, + PageNumberRole + }; + Q_ENUM(Role) + + explicit QPdfBookmarkModel(QObject *parent = nullptr); + + QPdfDocument* document() const; + void setDocument(QPdfDocument *document); + + StructureMode structureMode() const; + void setStructureMode(StructureMode mode); + + QVariant data(const QModelIndex &index, int role) const override; + QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override; + QModelIndex parent(const QModelIndex &index) const override; + int rowCount(const QModelIndex &parent = QModelIndex()) const override; + int columnCount(const QModelIndex &parent = QModelIndex()) const override; + QHash<int, QByteArray> roleNames() const override; + +Q_SIGNALS: + void documentChanged(QPdfDocument *document); + void structureModeChanged(QPdfBookmarkModel::StructureMode structureMode); + +private: + Q_DECLARE_PRIVATE(QPdfBookmarkModel) + + Q_PRIVATE_SLOT(d_func(), void _q_documentStatusChanged()) +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/pdf/api/qpdfdocument.h b/src/pdf/api/qpdfdocument.h new file mode 100644 index 000000000..1252fa6d2 --- /dev/null +++ b/src/pdf/api/qpdfdocument.h @@ -0,0 +1,131 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFDOCUMENT_H +#define QPDFDOCUMENT_H + +#include <QtPdf/qtpdfglobal.h> +#include <QImage> +#include <QObject> +#include <QtPdf/QPdfDocumentRenderOptions> + +QT_BEGIN_NAMESPACE + +class QPdfDocumentPrivate; +class QNetworkReply; + +class Q_PDF_EXPORT QPdfDocument : public QObject +{ + Q_OBJECT + + Q_PROPERTY(int pageCount READ pageCount NOTIFY pageCountChanged FINAL) + Q_PROPERTY(QString password READ password WRITE setPassword NOTIFY passwordChanged FINAL) + Q_PROPERTY(Status status READ status NOTIFY statusChanged FINAL) + +public: + enum Status { + Null, + Loading, + Ready, + Unloading, + Error + }; + Q_ENUM(Status) + + enum DocumentError { + NoError, + UnknownError, + DataNotYetAvailableError, + FileNotFoundError, + InvalidFileFormatError, + IncorrectPasswordError, + UnsupportedSecuritySchemeError + }; + Q_ENUM(DocumentError) + + enum MetaDataField { + Title, + Subject, + Author, + Keywords, + Producer, + Creator, + CreationDate, + ModificationDate + }; + Q_ENUM(MetaDataField) + + explicit QPdfDocument(QObject *parent = nullptr); + ~QPdfDocument(); + + DocumentError load(const QString &fileName); + + Status status() const; + + void load(QIODevice *device); + void setPassword(const QString &password); + QString password() const; + + QVariant metaData(MetaDataField field) const; + + DocumentError error() const; + + void close(); + + int pageCount() const; + + QSizeF pageSize(int page) const; + + QImage render(int page, QSize imageSize, QPdfDocumentRenderOptions options = QPdfDocumentRenderOptions()); + +Q_SIGNALS: + void passwordChanged(); + void passwordRequired(); + void statusChanged(QPdfDocument::Status status); + void pageCountChanged(int pageCount); + +private: + friend class QPdfBookmarkModelPrivate; + friend class QPdfSearchModel; + + Q_PRIVATE_SLOT(d, void _q_tryLoadingWithSizeFromContentHeader()) + Q_PRIVATE_SLOT(d, void _q_copyFromSequentialSourceDevice()) + QScopedPointer<QPdfDocumentPrivate> d; +}; + +QT_END_NAMESPACE + +#endif // QPDFDOCUMENT_H diff --git a/src/pdf/api/qpdfdocument_p.h b/src/pdf/api/qpdfdocument_p.h new file mode 100644 index 000000000..928754210 --- /dev/null +++ b/src/pdf/api/qpdfdocument_p.h @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFDOCUMENT_P_H +#define QPDFDOCUMENT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qpdfdocument.h" + +#include "third_party/pdfium/public/fpdfview.h" +#include "third_party/pdfium/public/fpdf_dataavail.h" + +#include <qbuffer.h> +#include <qmutex.h> +#include <qnetworkreply.h> +#include <qpointer.h> + +QT_BEGIN_NAMESPACE + +class QPdfMutexLocker : public QMutexLocker +{ +public: + QPdfMutexLocker(); +}; + +class QPdfDocumentPrivate: public FPDF_FILEACCESS, public FX_FILEAVAIL, public FX_DOWNLOADHINTS +{ +public: + QPdfDocumentPrivate(); + ~QPdfDocumentPrivate(); + + QPdfDocument *q; + + FPDF_AVAIL avail; + FPDF_DOCUMENT doc; + bool loadComplete; + + QPointer<QIODevice> device; + QScopedPointer<QIODevice> ownDevice; + QBuffer asyncBuffer; + QPointer<QIODevice> sequentialSourceDevice; + QByteArray password; + + QPdfDocument::Status status; + QPdfDocument::DocumentError lastError; + int pageCount; + + void clear(); + + void load(QIODevice *device, bool ownDevice); + void loadAsync(QIODevice *device); + + void _q_tryLoadingWithSizeFromContentHeader(); + void initiateAsyncLoadWithTotalSizeKnown(quint64 totalSize); + void _q_copyFromSequentialSourceDevice(); + void tryLoadDocument(); + void checkComplete(); + void setStatus(QPdfDocument::Status status); + + static FPDF_BOOL fpdf_IsDataAvail(struct _FX_FILEAVAIL* pThis, size_t offset, size_t size); + static int fpdf_GetBlock(void* param, unsigned long position, unsigned char* pBuf, unsigned long size); + static void fpdf_AddSegment(struct _FX_DOWNLOADHINTS* pThis, size_t offset, size_t size); + void updateLastError(); +}; + +QT_END_NAMESPACE + +#endif // QPDFDOCUMENT_P_H diff --git a/src/pdf/api/qpdfdocumentrenderoptions.h b/src/pdf/api/qpdfdocumentrenderoptions.h new file mode 100644 index 000000000..99a5db2e3 --- /dev/null +++ b/src/pdf/api/qpdfdocumentrenderoptions.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFDOCUMENTRENDEROPTIONS_H +#define QPDFDOCUMENTRENDEROPTIONS_H + +#include <QtPdf/qpdfnamespace.h> +#include <QtCore/QObject> + +QT_BEGIN_NAMESPACE + +class QPdfDocumentRenderOptions +{ +public: + Q_DECL_CONSTEXPR QPdfDocumentRenderOptions() Q_DECL_NOTHROW : data(0) {} + + Q_DECL_CONSTEXPR QPdf::Rotation rotation() const Q_DECL_NOTHROW { return static_cast<QPdf::Rotation>(bits.rotation); } + Q_DECL_RELAXED_CONSTEXPR void setRotation(QPdf::Rotation _rotation) Q_DECL_NOTHROW { bits.rotation = _rotation; } + + Q_DECL_CONSTEXPR QPdf::RenderFlags renderFlags() const Q_DECL_NOTHROW { return static_cast<QPdf::RenderFlags>(bits.renderFlags); } + Q_DECL_RELAXED_CONSTEXPR void setRenderFlags(QPdf::RenderFlags _renderFlags) Q_DECL_NOTHROW { bits.renderFlags = _renderFlags; } + +private: + friend Q_DECL_CONSTEXPR inline bool operator==(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs) Q_DECL_NOTHROW; + + + struct Bits { + quint32 renderFlags : 8; + quint32 rotation : 3; + quint32 reserved : 21; + quint32 reserved2 : 32; + }; + + union { + Bits bits; + quint64 data; + }; +}; + +Q_DECLARE_TYPEINFO(QPdfDocumentRenderOptions, Q_PRIMITIVE_TYPE); + +Q_DECL_CONSTEXPR inline bool operator==(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs) Q_DECL_NOTHROW +{ + return lhs.data == rhs.data; +} + +Q_DECL_CONSTEXPR inline bool operator!=(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs) Q_DECL_NOTHROW +{ + return !operator==(lhs, rhs); +} + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QPdfDocumentRenderOptions) + +#endif // QPDFDOCUMENTRENDEROPTIONS_H diff --git a/src/pdf/api/qpdfnamespace.h b/src/pdf/api/qpdfnamespace.h new file mode 100644 index 000000000..c8fd8a580 --- /dev/null +++ b/src/pdf/api/qpdfnamespace.h @@ -0,0 +1,72 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFNAMESPACE_H +#define QPDFNAMESPACE_H + +#include <QObject> + +QT_BEGIN_NAMESPACE + +namespace QPdf { + Q_NAMESPACE + + enum Rotation { + Rotate0, + Rotate90, + Rotate180, + Rotate270 + }; + Q_ENUM_NS(Rotation) + + enum RenderFlag { + NoRenderFlags = 0x000, + RenderAnnotations = 0x001, + RenderOptimizedForLcd = 0x002, + RenderGrayscale = 0x004, + RenderForceHalftone = 0x008, + RenderTextAliased = 0x010, + RenderImageAliased = 0x020, + RenderPathAliased = 0x040 + }; + Q_FLAG_NS(RenderFlag) + Q_DECLARE_FLAGS(RenderFlags, RenderFlag) +} + +Q_DECLARE_OPERATORS_FOR_FLAGS(QPdf::RenderFlags) + +QT_END_NAMESPACE +#endif diff --git a/src/pdf/api/qpdfpagenavigation.h b/src/pdf/api/qpdfpagenavigation.h new file mode 100644 index 000000000..8da809646 --- /dev/null +++ b/src/pdf/api/qpdfpagenavigation.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFPAGENAVIGATION_H +#define QPDFPAGENAVIGATION_H + +#include <QtPdf/qtpdfglobal.h> +#include <QObject> + +QT_BEGIN_NAMESPACE + +class QPdfDocument; +class QPdfPageNavigationPrivate; + +class Q_PDF_EXPORT QPdfPageNavigation : public QObject +{ + Q_OBJECT + + Q_PROPERTY(QPdfDocument* document READ document WRITE setDocument NOTIFY documentChanged) + + Q_PROPERTY(int currentPage READ currentPage WRITE setCurrentPage NOTIFY currentPageChanged) + Q_PROPERTY(int pageCount READ pageCount NOTIFY pageCountChanged) + Q_PROPERTY(bool canGoToPreviousPage READ canGoToPreviousPage NOTIFY canGoToPreviousPageChanged) + Q_PROPERTY(bool canGoToNextPage READ canGoToNextPage NOTIFY canGoToNextPageChanged) + +public: + explicit QPdfPageNavigation(QObject *parent = nullptr); + ~QPdfPageNavigation(); + + QPdfDocument* document() const; + void setDocument(QPdfDocument *document); + + int currentPage() const; + void setCurrentPage(int currentPage); + + int pageCount() const; + + bool canGoToPreviousPage() const; + bool canGoToNextPage() const; + +public Q_SLOTS: + void goToPreviousPage(); + void goToNextPage(); + +Q_SIGNALS: + void documentChanged(QPdfDocument *document); + void currentPageChanged(int currentPage); + void pageCountChanged(int pageCount); + void canGoToPreviousPageChanged(bool canGo); + void canGoToNextPageChanged(bool canGo); + +private: + Q_DECLARE_PRIVATE(QPdfPageNavigation) +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/pdf/api/qpdfpagerenderer.h b/src/pdf/api/qpdfpagerenderer.h new file mode 100644 index 000000000..de6704480 --- /dev/null +++ b/src/pdf/api/qpdfpagerenderer.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFPAGERENDERER_H +#define QPDFPAGERENDERER_H + +#include <QtPdf/qtpdfglobal.h> +#include <QObject> +#include <QtPdf/QPdfDocumentRenderOptions> +#include <QSize> + +QT_BEGIN_NAMESPACE + +class QPdfDocument; +class QPdfPageRendererPrivate; + +class Q_PDF_EXPORT QPdfPageRenderer : public QObject +{ + Q_OBJECT + + Q_PROPERTY(QPdfDocument* document READ document WRITE setDocument NOTIFY documentChanged) + Q_PROPERTY(RenderMode renderMode READ renderMode WRITE setRenderMode NOTIFY renderModeChanged) + +public: + enum RenderMode + { + MultiThreadedRenderMode, + SingleThreadedRenderMode + }; + Q_ENUM(RenderMode) + + explicit QPdfPageRenderer(QObject *parent = nullptr); + ~QPdfPageRenderer(); + + RenderMode renderMode() const; + void setRenderMode(RenderMode mode); + + QPdfDocument* document() const; + void setDocument(QPdfDocument *document); + + quint64 requestPage(int pageNumber, QSize imageSize, + QPdfDocumentRenderOptions options = QPdfDocumentRenderOptions()); + +Q_SIGNALS: + void documentChanged(QPdfDocument *document); + void renderModeChanged(RenderMode renderMode); + + void pageRendered(int pageNumber, QSize imageSize, const QImage &image, + QPdfDocumentRenderOptions options, quint64 requestId); + +private: + Q_DECLARE_PRIVATE(QPdfPageRenderer) +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/pdf/api/qpdfsearchmodel.h b/src/pdf/api/qpdfsearchmodel.h new file mode 100644 index 000000000..02d2a20d5 --- /dev/null +++ b/src/pdf/api/qpdfsearchmodel.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFSEARCHMODEL_H +#define QPDFSEARCHMODEL_H + +#include "qtpdfglobal.h" +#include "qpdfdocument.h" + +#include <QObject> + +QT_BEGIN_NAMESPACE + +class QPdfSearchModelPrivate; + +class Q_PDF_EXPORT QPdfSearchModel : public QObject // TODO QAIM? +{ + Q_OBJECT + Q_PROPERTY(QPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged) + +public: + explicit QPdfSearchModel(QObject *parent = nullptr); + ~QPdfSearchModel(); + + QVector<QRectF> matches(int page, const QString &searchString); + + QPdfDocument *document() const; + +public Q_SLOTS: + void setDocument(QPdfDocument *document); + +Q_SIGNALS: + void documentChanged(); + +private: + QScopedPointer<QPdfSearchModelPrivate> d; +}; + +QT_END_NAMESPACE + +#endif // QPDFSEARCHMODEL_H diff --git a/src/pdf/api/qtpdfglobal.h b/src/pdf/api/qtpdfglobal.h new file mode 100644 index 000000000..34cfc46d9 --- /dev/null +++ b/src/pdf/api/qtpdfglobal.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTPDFGLOBAL_H +#define QTPDFGLOBAL_H + +#include <QtCore/qglobal.h> + +QT_BEGIN_NAMESPACE + +#ifndef Q_PDF_EXPORT +# ifndef QT_STATIC +# if defined(QT_BUILD_PDF_LIB) +# define Q_PDF_EXPORT Q_DECL_EXPORT +# else +# define Q_PDF_EXPORT Q_DECL_IMPORT +# endif +# else +# define Q_PDF_EXPORT +# endif +#endif + +QT_END_NAMESPACE + +#endif // QTPDFGLOBAL_H + diff --git a/src/pdf/configure.json b/src/pdf/configure.json new file mode 100644 index 000000000..1f21183a2 --- /dev/null +++ b/src/pdf/configure.json @@ -0,0 +1,64 @@ +{ + "module": "pdf", + "depends" : [ "buildtools-private" ], + "testDir": "../../config.tests", + "condition": "features.build-qtpdf", + "libraries": { + }, + "tests": { + }, + "features": { + "pdf-v8": { + "label": "Support V8", + "purpose": "Enables javascript support.", + "autoDetect": "false", + "condition": "!config.ios", + "output": ["privateFeature" ] + }, + "pdf-xfa": { + "label": "Support XFA", + "purpose": "Enables XFA support.", + "condition": "features.pdf-v8", + "output": ["privateFeature" ] + }, + "pdf-xfa-bmp": { + "label": "Support XFA-BMP", + "purpose": "Enables XFA-BMP support.", + "condition": "features.pdf-xfa", + "output": ["privateFeature" ] + }, + "pdf-xfa-gif": { + "label": "Support XFA-GIF", + "purpose": "Enables XFA-GIF support.", + "condition": "features.pdf-xfa", + "output": ["privateFeature" ] + }, + "pdf-xfa-png": { + "label": "Support XFA-PNG", + "purpose": "Enables XFA-PNG support.", + "condition": "features.pdf-xfa", + "output": ["privateFeature" ] + }, + "pdf-xfa-tiff": { + "label": "Support XFA-TIFF", + "purpose": "Enables XFA-TIFF support.", + "condition": "features.pdf-xfa", + "output": ["privateFeature" ] + } + }, + "report": [ + ], + "summary": [ + { + "section": "Qt PDF", + "entries": [ + "pdf-v8", + "pdf-xfa", + "pdf-xfa-bmp", + "pdf-xfa-gif", + "pdf-xfa-png", + "pdf-xfa-tiff" + ] + } + ] +} diff --git a/src/pdf/doc/qtpdf.qdocconf b/src/pdf/doc/qtpdf.qdocconf new file mode 100644 index 000000000..b55b25327 --- /dev/null +++ b/src/pdf/doc/qtpdf.qdocconf @@ -0,0 +1,55 @@ +include($QT_INSTALL_DOCS/global/qt-module-defaults.qdocconf) + +project = QtPdf +description = Qt Pdf Reference Documentation +version = $QT_VERSION + +qhp.projects = QtPdf + +qhp.QtPdf.file = qtpdf.qhp +qhp.QtPdf.namespace = org.qt-project.qtpdf.$QT_VERSION_TAG +qhp.QtPdf.virtualFolder = qtpdf +qhp.QtPdf.indexTitle = Qt PDF +qhp.QtPdf.indexRoot = + +qhp.QtPdf.filterAttributes = qtpdf $QT_VERSION qtrefdoc +qhp.QtPdf.customFilters.Qt.name = QtPdf $QT_VERSION +qhp.QtPdf.customFilters.Qt.filterAttributes = qtpdf $QT_VERSION + +qhp.QtPdf.subprojects = classes qmltypes examples + +qhp.QtPdf.subprojects.classes.title = C++ Classes +qhp.QtPdf.subprojects.classes.indexTitle = Qt PDF C++ Classes +qhp.QtPdf.subprojects.classes.selectors = class fake:headerfile +qhp.QtPdf.subprojects.classes.sortPages = true + +qhp.QtPdf.subprojects.qmltypes.title = QML Types +qhp.QtPdf.subprojects.qmltypes.indexTitle = Qt Quick PDF QML Types +qhp.QtPdf.subprojects.qmltypes.selectors = qmltype +qhp.QtPdf.subprojects.qmltypes.sortPages = true + +qhp.QtPdf.subprojects.examples.title = Examples +qhp.QtPdf.subprojects.examples.indexTitle = Qt PDF Examples +qhp.QtPdf.subprojects.examples.selectors = doc:example +qhp.QtPdf.subprojects.examples.sortPages = true + +depends += qtcore \ + qtwidgets \ + qtgui \ + qtdoc \ + qmake + +headerdirs += ../api \ + ../quick + +sourcedirs += .. \ + ../quick + +exampledirs += ../../../examples/pdfwidgets \ + snippets/ + +imagedirs += images + +navigation.landingpage = "Qt PDF" +navigation.cppclassespage = "Qt PDF C++ Classes" +navigation.qmltypespage = "Qt WebEngine QML Types" diff --git a/src/pdf/doc/snippets/qtpdf_build_snippet.qdoc b/src/pdf/doc/snippets/qtpdf_build_snippet.qdoc new file mode 100644 index 000000000..25593b1ee --- /dev/null +++ b/src/pdf/doc/snippets/qtpdf_build_snippet.qdoc @@ -0,0 +1,35 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QT += pdf +//! [0] + + +//! [1] +#include <QtPdf> +//! [1] diff --git a/src/pdf/doc/src/qtpdf-index.qdoc b/src/pdf/doc/src/qtpdf-index.qdoc new file mode 100644 index 000000000..6893272ac --- /dev/null +++ b/src/pdf/doc/src/qtpdf-index.qdoc @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \page qtpdf-index.html + \title Qt PDF + + \brief Renders pages from PDF documents. + + The Qt PDF module contains classes and functions for rendering + PDF documents. The \l QPdfDocument class loads a PDF document + and renders pages from it according to the options provided by + the \l QPdfDocumentRenderOptions class. The \l QPdfPageRenderer + class manages a queue that collects all render requests. The + \l QPdfPageNavigation class handles the navigation through a + PDF document. + + \section1 Getting Started + + To include the definitions of the module's classes, use the + following directive: + + \snippet qtpdf_build_snippet.qdoc 1 + + To link against the module, add this line to your qmake project file: + + \snippet qtpdf_build_snippet.qdoc 0 + + \section1 Articles and Guides + + \list + \li \l{Qt PDF Overview} + \endlist + + \section1 API Reference + + \list + \li \l{Qt PDF C++ Classes} + \li \l{Qt Quick PDF QML Types} + \endlist +*/ diff --git a/src/pdf/doc/src/qtpdf-module.qdoc b/src/pdf/doc/src/qtpdf-module.qdoc new file mode 100644 index 000000000..4170deb38 --- /dev/null +++ b/src/pdf/doc/src/qtpdf-module.qdoc @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +/*! + \module QtPdf + \title Qt PDF C++ Classes + \brief Renders pages from PDF documents. + \since 5.14 + \ingroup qtwebengine-modules + \ingroup modules + + The Qt PDF module contains classes and functions for rendering + PDF documents. + + To include the definitions of the module's classes, use the + following directive: + + \snippet qtpdf_build_snippet.qdoc 1 + + \if !defined(qtforpython) + To link against the module, add this line to your qmake project file: + + \snippet qtpdf_build_snippet.qdoc 0 + \endif +*/ diff --git a/src/pdf/gn_run.pro b/src/pdf/gn_run.pro new file mode 100644 index 000000000..7fd4d4ffc --- /dev/null +++ b/src/pdf/gn_run.pro @@ -0,0 +1,70 @@ +include($$QTWEBENGINE_OUT_ROOT/src/buildtools/qtbuildtools-config.pri) +QT_FOR_CONFIG += buildtools-private + +TEMPLATE = aux + +qtConfig(debug_and_release): CONFIG += debug_and_release build_all + +qtConfig(webengine-system-ninja) { + QT_TOOL.ninja.binary = ninja +} else { + QT_TOOL.ninja.binary = $$shell_quote($$shell_path($$ninjaPath())) +} + +win32 { + # Add the gnuwin32/bin subdir of qt5.git to PATH. Needed for calling bison and friends. + gnuwin32path.name = PATH + gnuwin32path.value = $$shell_path($$clean_path($$QTWEBENGINE_ROOT/../gnuwin32/bin)) + gnuwin32path.CONFIG += prepend + exists($$gnuwin32path.value): QT_TOOL_ENV = gnuwin32path +} + +qtPrepareTool(NINJA, ninja) +QT_TOOL_ENV = + +build_pass|!debug_and_release { + gn_binary = gn + + runninja.target = run_ninja + + # fixme: refine args + gn_args = $$gnArgs() + + include($$QTWEBENGINE_ROOT/src/buildtools/config/pdf.pri) + + # fixme: qtwebengine_target + gn_args += "qtwebengine_target=\"$$system_path($$OUT_PWD/$$getConfigDir()):QtPdf\"" + + # fixme: + !qtConfig(webengine-system-gn) { + gn_binary = $$system_quote($$system_path($$gnPath())) + } + + gn_args = $$system_quote($$gn_args) + gn_src_root = $$system_quote($$system_path($$QTWEBENGINE_ROOT/$$getChromiumSrcDir())) + gn_build_root = $$system_quote($$system_path($$OUT_PWD/$$getConfigDir())) + gn_python = "--script-executable=$$pythonPathForSystem()" + gn_run = $$gn_binary gen $$gn_build_root $$gn_python --args=$$gn_args --root=$$gn_src_root + + message("Running: $$gn_run ") + !system($$gn_run) { + error("GN run error!") + } + + ninjaflags = $$(NINJAFLAGS) + isEmpty(ninjaflags):!silent: ninjaflags = "-v" + + runninja.commands = $$NINJA $$ninjaflags -C $$gn_build_root QtPdf + QMAKE_EXTRA_TARGETS += runninja + + build_pass:build_all: default_target.target = all + else: default_target.target = first + default_target.depends = runninja + QMAKE_EXTRA_TARGETS += default_target +} + +!build_pass:debug_and_release { + # Special GNU make target for the meta Makefile that ensures that our debug and release Makefiles won't both run ninja in parallel. + notParallel.target = .NOTPARALLEL + QMAKE_EXTRA_TARGETS += notParallel +} diff --git a/src/pdf/jsbridge.cpp b/src/pdf/jsbridge.cpp new file mode 100644 index 000000000..95b813929 --- /dev/null +++ b/src/pdf/jsbridge.cpp @@ -0,0 +1,38 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "fpdfsdk/javascript/JS_Runtime_Stub.cpp" + diff --git a/src/pdf/pdf.pro b/src/pdf/pdf.pro new file mode 100644 index 000000000..c5513ce93 --- /dev/null +++ b/src/pdf/pdf.pro @@ -0,0 +1,16 @@ +TEMPLATE = subdirs +pdfcore.file = pdfcore.pro +pdfcore_generator.file = pdfcore_generator.pro +gn_run.file = gn_run.pro + +gn_run.depends = pdfcore_generator +pdfcore.depends = gn_run +quick.depends = pdfcore + +SUBDIRS += \ + pdfcore_generator \ + gn_run \ + pdfcore \ + quick + + diff --git a/src/pdf/pdfcore.pro b/src/pdf/pdfcore.pro new file mode 100644 index 000000000..1f9f21e0a --- /dev/null +++ b/src/pdf/pdfcore.pro @@ -0,0 +1,83 @@ +TARGET = QtPdf +MODULE = pdf + +QT += gui core core-private +QT_PRIVATE += network + +TEMPLATE = lib + +CONFIG += c++11 +CONFIG -= precompile_header # Not supported by upstream header files + +INCLUDEPATH += $$QTWEBENGINE_ROOT/src/pdf +CHROMIUM_SRC_DIR = $$QTWEBENGINE_ROOT/$$getChromiumSrcDir() +CHROMIUM_GEN_DIR = $$OUT_PWD/../$$getConfigDir()/gen +INCLUDEPATH += $$QTWEBENGINE_ROOT/src/pdf \ + $$CHROMIUM_GEN_DIR \ + $$CHROMIUM_SRC_DIR \ + api + +DEFINES += QT_BUILD_PDF_LIB +win32: DEFINES += NOMINMAX + +linking_pri = $$OUT_PWD/$$getConfigDir()/$${TARGET}.pri +!include($$linking_pri) { + error("Could not find the linking information that gn should have generated.") +} + +isEmpty(NINJA_OBJECTS): error("Missing object files from QtPdf linking pri.") +isEmpty(NINJA_LFLAGS): error("Missing linker flags from QtPdf linking pri") +isEmpty(NINJA_ARCHIVES): error("Missing archive files from QtPdf linking pri") +isEmpty(NINJA_LIBS): error("Missing library files from QtPdf linking pri") + +NINJA_OBJECTS = $$eval($$list($$NINJA_OBJECTS)) +RSP_FILE = $$OUT_PWD/$$getConfigDir()/$${TARGET}.rsp +for(object, NINJA_OBJECTS): RSP_CONTENT += $$object +write_file($$RSP_FILE, RSP_CONTENT) + +macos:LIBS_PRIVATE += -Wl,-filelist,$$shell_quote($$RSP_FILE) +linux:LIBS_PRIVATE += @$$RSP_FILE + +# QTBUG-58710 add main rsp file on windows +win32:QMAKE_LFLAGS += @$$RSP_FILE + +linux: LIBS_PRIVATE += -Wl,--start-group $$NINJA_ARCHIVES -Wl,--end-group +else: LIBS_PRIVATE += $$NINJA_ARCHIVES + +LIBS_PRIVATE += $$NINJA_LIB_DIRS $$NINJA_LIBS + +QMAKE_DOCS = $$PWD/doc/qtpdf.qdocconf + +gcc { + QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-parameter +} + +msvc { + QMAKE_CXXFLAGS_WARN_ON += -wd"4100" +} + +ios: OBJECTS += $$NINJA_OBJECTS + +SOURCES += \ + qpdfbookmarkmodel.cpp \ + qpdfdocument.cpp \ + qpdfpagenavigation.cpp \ + qpdfpagerenderer.cpp \ + qpdfsearchmodel.cpp \ + +# all "public" headers must be in "api" for sync script and to hide auto generated headers +# by Chromium in case of in-source build + +HEADERS += \ + api/qpdfbookmarkmodel.h \ + api/qpdfdocument.h \ + api/qpdfdocument_p.h \ + api/qpdfdocumentrenderoptions.h \ + api/qtpdfglobal.h \ + api/qpdfnamespace.h \ + api/qpdfpagenavigation.h \ + api/qpdfpagerenderer.h \ + api/qpdfsearchmodel.h \ + qpdfsearchmodel_p.h \ + +load(qt_module) diff --git a/src/pdf/pdfcore_generator.pro b/src/pdf/pdfcore_generator.pro new file mode 100644 index 000000000..c8eb13b81 --- /dev/null +++ b/src/pdf/pdfcore_generator.pro @@ -0,0 +1,15 @@ +qtConfig(debug_and_release): CONFIG += debug_and_release + +TARGET = QtPdf +TEMPLATE = lib +CONFIG = gn_generator $$CONFIG +ios: CONFIG -=static # note we still do static on ios when linking +GN_SRC_DIR = $$PWD +GN_FILE = $$OUT_PWD/$$getConfigDir()/BUILD.gn +GN_FIND_MOCABLES_SCRIPT = $$shell_path($$QTWEBENGINE_ROOT/tools/scripts/gn_find_mocables.py) +GN_RUN_BINARY_SCRIPT = $$shell_path($$QTWEBENGINE_ROOT/tools/scripts/gn_run_binary.py) +GN_IMPORTS = $$PWD/qtpdf.gni +GN_CREATE_PRI = true +QMAKE_INTERNAL_INCLUDED_FILES = $$GN_IMPORTS $$GN_INCLUDES $$GN_FILE + + diff --git a/src/pdf/qpdfbookmarkmodel.cpp b/src/pdf/qpdfbookmarkmodel.cpp new file mode 100644 index 000000000..e648657ba --- /dev/null +++ b/src/pdf/qpdfbookmarkmodel.cpp @@ -0,0 +1,363 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfbookmarkmodel.h" + +#include "qpdfdocument.h" +#include "qpdfdocument_p.h" + +#include "third_party/pdfium/public/fpdf_doc.h" +#include "third_party/pdfium/public/fpdfview.h" + +#include <QPointer> +#include <QScopedPointer> +#include <private/qabstractitemmodel_p.h> + +QT_BEGIN_NAMESPACE + +class BookmarkNode +{ +public: + explicit BookmarkNode(BookmarkNode *parentNode = nullptr) + : m_parentNode(parentNode) + , m_level(0) + , m_pageNumber(0) + { + } + + ~BookmarkNode() + { + clear(); + } + + void clear() + { + qDeleteAll(m_childNodes); + m_childNodes.clear(); + } + + void appendChild(BookmarkNode *child) + { + m_childNodes.append(child); + } + + BookmarkNode *child(int row) const + { + return m_childNodes.at(row); + } + + int childCount() const + { + return m_childNodes.count(); + } + + int row() const + { + if (m_parentNode) + return m_parentNode->m_childNodes.indexOf(const_cast<BookmarkNode*>(this)); + + return 0; + } + + BookmarkNode *parentNode() const + { + return m_parentNode; + } + + QString title() const + { + return m_title; + } + + void setTitle(const QString &title) + { + m_title = title; + } + + int level() const + { + return m_level; + } + + void setLevel(int level) + { + m_level = level; + } + + int pageNumber() const + { + return m_pageNumber; + } + + void setPageNumber(int pageNumber) + { + m_pageNumber = pageNumber; + } + +private: + QVector<BookmarkNode*> m_childNodes; + BookmarkNode *m_parentNode; + + QString m_title; + int m_level; + int m_pageNumber; +}; + + +class QPdfBookmarkModelPrivate : public QAbstractItemModelPrivate +{ +public: + QPdfBookmarkModelPrivate() + : QAbstractItemModelPrivate() + , m_rootNode(new BookmarkNode(nullptr)) + , m_document(nullptr) + , m_structureMode(QPdfBookmarkModel::TreeMode) + { + } + + void rebuild() + { + Q_Q(QPdfBookmarkModel); + + const bool documentAvailable = (m_document && m_document->status() == QPdfDocument::Ready); + + if (documentAvailable) { + q->beginResetModel(); + m_rootNode->clear(); + QPdfMutexLocker lock; + appendChildNode(m_rootNode.data(), nullptr, 0, m_document->d->doc); + lock.unlock(); + q->endResetModel(); + } else { + if (m_rootNode->childCount() == 0) { + return; + } else { + q->beginResetModel(); + m_rootNode->clear(); + q->endResetModel(); + } + } + } + + void appendChildNode(BookmarkNode *parentBookmarkNode, FPDF_BOOKMARK parentBookmark, int level, FPDF_DOCUMENT document) + { + FPDF_BOOKMARK bookmark = FPDFBookmark_GetFirstChild(document, parentBookmark); + + while (bookmark) { + BookmarkNode *childBookmarkNode = nullptr; + + if (m_structureMode == QPdfBookmarkModel::TreeMode) { + childBookmarkNode = new BookmarkNode(parentBookmarkNode); + parentBookmarkNode->appendChild(childBookmarkNode); + } else if (m_structureMode == QPdfBookmarkModel::ListMode) { + childBookmarkNode = new BookmarkNode(m_rootNode.data()); + m_rootNode->appendChild(childBookmarkNode); + } + + const int titleLength = int(FPDFBookmark_GetTitle(bookmark, nullptr, 0)); + + QVector<ushort> titleBuffer(titleLength); + FPDFBookmark_GetTitle(bookmark, titleBuffer.data(), quint32(titleBuffer.length())); + + const FPDF_DEST dest = FPDFBookmark_GetDest(document, bookmark); + const int pageNumber = FPDFDest_GetDestPageIndex(document, dest); + + childBookmarkNode->setTitle(QString::fromUtf16(titleBuffer.data())); + childBookmarkNode->setLevel(level); + childBookmarkNode->setPageNumber(pageNumber); + + // recurse down + appendChildNode(childBookmarkNode, bookmark, level + 1, document); + + bookmark = FPDFBookmark_GetNextSibling(document, bookmark); + } + } + + void _q_documentStatusChanged() + { + rebuild(); + } + + Q_DECLARE_PUBLIC(QPdfBookmarkModel) + + QScopedPointer<BookmarkNode> m_rootNode; + QPointer<QPdfDocument> m_document; + QPdfBookmarkModel::StructureMode m_structureMode; +}; + + +QPdfBookmarkModel::QPdfBookmarkModel(QObject *parent) + : QAbstractItemModel(*new QPdfBookmarkModelPrivate, parent) +{ +} + +QPdfDocument* QPdfBookmarkModel::document() const +{ + Q_D(const QPdfBookmarkModel); + + return d->m_document; +} + +void QPdfBookmarkModel::setDocument(QPdfDocument *document) +{ + Q_D(QPdfBookmarkModel); + + if (d->m_document == document) + return; + + if (d->m_document) + disconnect(d->m_document, SIGNAL(statusChanged(QPdfDocument::Status)), this, SLOT(_q_documentStatusChanged())); + + d->m_document = document; + emit documentChanged(d->m_document); + + if (d->m_document) + connect(d->m_document, SIGNAL(statusChanged(QPdfDocument::Status)), this, SLOT(_q_documentStatusChanged())); + + d->rebuild(); +} + +QPdfBookmarkModel::StructureMode QPdfBookmarkModel::structureMode() const +{ + Q_D(const QPdfBookmarkModel); + + return d->m_structureMode; +} + +void QPdfBookmarkModel::setStructureMode(StructureMode mode) +{ + Q_D(QPdfBookmarkModel); + + if (d->m_structureMode == mode) + return; + + d->m_structureMode = mode; + emit structureModeChanged(d->m_structureMode); + + d->rebuild(); +} + +int QPdfBookmarkModel::columnCount(const QModelIndex &parent) const +{ + return 1; +} + +QHash<int, QByteArray> QPdfBookmarkModel::roleNames() const +{ + QHash<int, QByteArray> names; + + names[TitleRole] = "title"; + names[LevelRole] = "level"; + names[PageNumberRole] = "pageNumber"; + + return names; +} + +QVariant QPdfBookmarkModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + const BookmarkNode *node = static_cast<BookmarkNode*>(index.internalPointer()); + switch (role) { + case TitleRole: + return node->title(); + case LevelRole: + return node->level(); + case PageNumberRole: + return node->pageNumber(); + default: + return QVariant(); + } +} + +QModelIndex QPdfBookmarkModel::index(int row, int column, const QModelIndex &parent) const +{ + Q_D(const QPdfBookmarkModel); + + if (!hasIndex(row, column, parent)) + return QModelIndex(); + + BookmarkNode *parentNode; + + if (!parent.isValid()) + parentNode = d->m_rootNode.data(); + else + parentNode = static_cast<BookmarkNode*>(parent.internalPointer()); + + BookmarkNode *childNode = parentNode->child(row); + if (childNode) + return createIndex(row, column, childNode); + else + return QModelIndex(); +} + +QModelIndex QPdfBookmarkModel::parent(const QModelIndex &index) const +{ + Q_D(const QPdfBookmarkModel); + + if (!index.isValid()) + return QModelIndex(); + + const BookmarkNode *childNode = static_cast<BookmarkNode*>(index.internalPointer()); + BookmarkNode *parentNode = childNode->parentNode(); + + if (parentNode == d->m_rootNode.data()) + return QModelIndex(); + + return createIndex(parentNode->row(), 0, parentNode); +} + +int QPdfBookmarkModel::rowCount(const QModelIndex &parent) const +{ + Q_D(const QPdfBookmarkModel); + + if (parent.column() > 0) + return 0; + + BookmarkNode *parentNode = nullptr; + + if (!parent.isValid()) + parentNode = d->m_rootNode.data(); + else + parentNode = static_cast<BookmarkNode*>(parent.internalPointer()); + + return parentNode->childCount(); +} + +QT_END_NAMESPACE + +#include "moc_qpdfbookmarkmodel.cpp" diff --git a/src/pdf/qpdfdocument.cpp b/src/pdf/qpdfdocument.cpp new file mode 100644 index 000000000..690953691 --- /dev/null +++ b/src/pdf/qpdfdocument.cpp @@ -0,0 +1,644 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfdocument.h" +#include "qpdfdocument_p.h" + +#include "third_party/pdfium/public/fpdf_doc.h" + +#include <QDateTime> +#include <QDebug> +#include <QElapsedTimer> +#include <QFile> +#include <QHash> +#include <QLoggingCategory> +#include <QMutex> + +QT_BEGIN_NAMESPACE + +// The library is not thread-safe at all, it has a lot of global variables. +Q_GLOBAL_STATIC_WITH_ARGS(QMutex, pdfMutex, (QMutex::Recursive)); +static int libraryRefCount; +Q_LOGGING_CATEGORY(qLcDoc, "qt.pdf.document") + +QPdfMutexLocker::QPdfMutexLocker() + : QMutexLocker(pdfMutex()) +{ +} + +QPdfDocumentPrivate::QPdfDocumentPrivate() + : avail(nullptr) + , doc(nullptr) + , loadComplete(false) + , status(QPdfDocument::Null) + , lastError(QPdfDocument::NoError) + , pageCount(0) +{ + asyncBuffer.setData(QByteArray()); + asyncBuffer.open(QIODevice::ReadWrite); + + const QPdfMutexLocker lock; + + if (libraryRefCount == 0) + FPDF_InitLibrary(); + ++libraryRefCount; + + // FPDF_FILEACCESS setup + m_Param = this; + m_GetBlock = fpdf_GetBlock; + + // FX_FILEAVAIL setup + FX_FILEAVAIL::version = 1; + IsDataAvail = fpdf_IsDataAvail; + + // FX_DOWNLOADHINTS setup + FX_DOWNLOADHINTS::version = 1; + AddSegment = fpdf_AddSegment; +} + +QPdfDocumentPrivate::~QPdfDocumentPrivate() +{ + q->close(); + + const QPdfMutexLocker lock; + + if (!--libraryRefCount) + FPDF_DestroyLibrary(); +} + +void QPdfDocumentPrivate::clear() +{ + QPdfMutexLocker lock; + + if (doc) + FPDF_CloseDocument(doc); + doc = nullptr; + + if (avail) + FPDFAvail_Destroy(avail); + avail = nullptr; + lock.unlock(); + + if (pageCount != 0) { + pageCount = 0; + emit q->pageCountChanged(pageCount); + } + + loadComplete = false; + + asyncBuffer.close(); + asyncBuffer.setData(QByteArray()); + asyncBuffer.open(QIODevice::ReadWrite); + + if (sequentialSourceDevice) + sequentialSourceDevice->disconnect(q); +} + +void QPdfDocumentPrivate::updateLastError() +{ + if (doc) { + lastError = QPdfDocument::NoError; + return; + } + + QPdfMutexLocker lock; + const unsigned long error = FPDF_GetLastError(); + lock.unlock(); + + switch (error) { + case FPDF_ERR_SUCCESS: lastError = QPdfDocument::NoError; break; + case FPDF_ERR_UNKNOWN: lastError = QPdfDocument::UnknownError; break; + case FPDF_ERR_FILE: lastError = QPdfDocument::FileNotFoundError; break; + case FPDF_ERR_FORMAT: lastError = QPdfDocument::InvalidFileFormatError; break; + case FPDF_ERR_PASSWORD: lastError = QPdfDocument::IncorrectPasswordError; break; + case FPDF_ERR_SECURITY: lastError = QPdfDocument::UnsupportedSecuritySchemeError; break; + default: + Q_UNREACHABLE(); + } +} + +void QPdfDocumentPrivate::load(QIODevice *newDevice, bool transferDeviceOwnership) +{ + if (transferDeviceOwnership) + ownDevice.reset(newDevice); + else + ownDevice.reset(); + + if (newDevice->isSequential()) { + sequentialSourceDevice = newDevice; + device = &asyncBuffer; + QNetworkReply *reply = qobject_cast<QNetworkReply*>(sequentialSourceDevice); + + if (!reply) { + setStatus(QPdfDocument::Error); + qWarning() << "QPdfDocument: Loading from sequential devices only supported with QNetworkAccessManager."; + return; + } + + if (reply->isFinished() && reply->error() != QNetworkReply::NoError) { + setStatus(QPdfDocument::Error); + return; + } + + QObject::connect(reply, &QNetworkReply::finished, q, [this, reply](){ + if (reply->error() != QNetworkReply::NoError || reply->bytesAvailable() == 0) { + this->setStatus(QPdfDocument::Error); + } + }); + + if (reply->header(QNetworkRequest::ContentLengthHeader).isValid()) + _q_tryLoadingWithSizeFromContentHeader(); + else + QObject::connect(reply, SIGNAL(metaDataChanged()), q, SLOT(_q_tryLoadingWithSizeFromContentHeader())); + } else { + device = newDevice; + initiateAsyncLoadWithTotalSizeKnown(device->size()); + checkComplete(); + } +} + +void QPdfDocumentPrivate::_q_tryLoadingWithSizeFromContentHeader() +{ + if (avail) + return; + + const QNetworkReply *networkReply = qobject_cast<QNetworkReply*>(sequentialSourceDevice); + if (!networkReply) { + setStatus(QPdfDocument::Error); + return; + } + + const QVariant contentLength = networkReply->header(QNetworkRequest::ContentLengthHeader); + if (!contentLength.isValid()) { + setStatus(QPdfDocument::Error); + return; + } + + QObject::connect(sequentialSourceDevice, SIGNAL(readyRead()), q, SLOT(_q_copyFromSequentialSourceDevice())); + + initiateAsyncLoadWithTotalSizeKnown(contentLength.toULongLong()); + + if (sequentialSourceDevice->bytesAvailable()) + _q_copyFromSequentialSourceDevice(); +} + +void QPdfDocumentPrivate::initiateAsyncLoadWithTotalSizeKnown(quint64 totalSize) +{ + // FPDF_FILEACCESS setup + m_FileLen = totalSize; + + const QPdfMutexLocker lock; + + avail = FPDFAvail_Create(this, this); +} + +void QPdfDocumentPrivate::_q_copyFromSequentialSourceDevice() +{ + if (loadComplete) + return; + + const QByteArray data = sequentialSourceDevice->read(sequentialSourceDevice->bytesAvailable()); + if (data.isEmpty()) + return; + + asyncBuffer.seek(asyncBuffer.size()); + asyncBuffer.write(data); + + checkComplete(); +} + +void QPdfDocumentPrivate::tryLoadDocument() +{ + QPdfMutexLocker lock; + switch (FPDFAvail_IsDocAvail(avail, this)) { + case PDF_DATA_ERROR: + qCDebug(qLcDoc) << "error loading"; + break; + case PDF_DATA_NOTAVAIL: + qCDebug(qLcDoc) << "data not yet available"; + lastError = QPdfDocument::DataNotYetAvailableError; + setStatus(QPdfDocument::Error); + break; + case PDF_DATA_AVAIL: + // all good + break; + } + + Q_ASSERT(!doc); + + doc = FPDFAvail_GetDocument(avail, password); + lock.unlock(); + + updateLastError(); + + if (lastError == QPdfDocument::IncorrectPasswordError) { + FPDF_CloseDocument(doc); + doc = nullptr; + + setStatus(QPdfDocument::Error); + emit q->passwordRequired(); + } +} + +void QPdfDocumentPrivate::checkComplete() +{ + if (!avail || loadComplete) + return; + + if (!doc) + tryLoadDocument(); + + if (!doc) + return; + + loadComplete = true; + + QPdfMutexLocker lock; + + const int newPageCount = FPDF_GetPageCount(doc); + for (int i = 0; i < newPageCount; ++i) { + int result = PDF_DATA_NOTAVAIL; + while (result == PDF_DATA_NOTAVAIL) { + result = FPDFAvail_IsPageAvail(avail, i, this); + } + + if (result == PDF_DATA_ERROR) + loadComplete = false; + } + + lock.unlock(); + + if (loadComplete) { + if (newPageCount != pageCount) { + pageCount = newPageCount; + emit q->pageCountChanged(pageCount); + } + + setStatus(QPdfDocument::Ready); + } +} + +void QPdfDocumentPrivate::setStatus(QPdfDocument::Status documentStatus) +{ + if (status == documentStatus) + return; + + status = documentStatus; + emit q->statusChanged(status); +} + +FPDF_BOOL QPdfDocumentPrivate::fpdf_IsDataAvail(_FX_FILEAVAIL *pThis, size_t offset, size_t size) +{ + QPdfDocumentPrivate *d = static_cast<QPdfDocumentPrivate*>(pThis); + return offset + size <= static_cast<quint64>(d->device->size()); +} + +int QPdfDocumentPrivate::fpdf_GetBlock(void *param, unsigned long position, unsigned char *pBuf, unsigned long size) +{ + QPdfDocumentPrivate *d = static_cast<QPdfDocumentPrivate*>(reinterpret_cast<FPDF_FILEACCESS*>(param)); + d->device->seek(position); + return qMax(qint64(0), d->device->read(reinterpret_cast<char *>(pBuf), size)); + +} + +void QPdfDocumentPrivate::fpdf_AddSegment(_FX_DOWNLOADHINTS *pThis, size_t offset, size_t size) +{ + Q_UNUSED(pThis); + Q_UNUSED(offset); + Q_UNUSED(size); +} + +/*! + \class QPdfDocument + \since 5.10 + \inmodule QtPdf + + \brief The QPdfDocument class loads a PDF document and renders pages from it. +*/ + +/*! + Constructs a new document with parent object \a parent. +*/ +QPdfDocument::QPdfDocument(QObject *parent) + : QObject(parent) + , d(new QPdfDocumentPrivate) +{ + d->q = this; +} + +/*! + Destroys the document. +*/ +QPdfDocument::~QPdfDocument() +{ +} + +QPdfDocument::DocumentError QPdfDocument::load(const QString &fileName) +{ + close(); + + d->setStatus(QPdfDocument::Loading); + + QScopedPointer<QFile> f(new QFile(fileName)); + if (!f->open(QIODevice::ReadOnly)) { + d->lastError = FileNotFoundError; + d->setStatus(QPdfDocument::Error); + } else { + d->load(f.take(), /*transfer ownership*/true); + } + return d->lastError; +} + +/*! + \enum QPdfDocument::Status + + This enum describes the current status of the document. + + \value Null The initial status after the document has been created or after it has been closed. + \value Loading The status after load() has been called and before the document is fully loaded. + \value Ready The status when the document is fully loaded and its data can be accessed. + \value Unloading The status after close() has been called on an open document. + At this point the document is still valid and all its data can be accessed. + \value Error The status after Loading, if loading has failed. + + \sa QPdfDocument::status() +*/ + +/*! + Returns the current status of the document. +*/ +QPdfDocument::Status QPdfDocument::status() const +{ + return d->status; +} + +void QPdfDocument::load(QIODevice *device) +{ + close(); + + d->setStatus(QPdfDocument::Loading); + + d->load(device, /*transfer ownership*/false); +} + +void QPdfDocument::setPassword(const QString &password) +{ + const QByteArray newPassword = password.toUtf8(); + + if (d->password == newPassword) + return; + + d->password = newPassword; + emit passwordChanged(); +} + +QString QPdfDocument::password() const +{ + return QString::fromUtf8(d->password); +} + +/*! + \enum QPdfDocument::MetaDataField + + This enum describes the available fields of meta data. + + \value Title The document's title as QString. + \value Author The name of the person who created the document as QString. + \value Subject The subject of the document as QString. + \value Keywords Keywords associated with the document as QString. + \value Creator If the document was converted to PDF from another format, + the name of the conforming product that created the original document + from which it was converted as QString. + \value Producer If the document was converted to PDF from another format, + the name of the conforming product that converted it to PDF as QString. + \value CreationDate The date and time the document was created as QDateTime. + \value ModificationDate The date and time the document was most recently modified as QDateTime. + + \sa QPdfDocument::metaData() +*/ + +/*! + Returns the meta data of the document for the given \a field. +*/ +QVariant QPdfDocument::metaData(MetaDataField field) const +{ + if (!d->doc) + return QString(); + + QByteArray fieldName; + switch (field) { + case Title: + fieldName = "Title"; + break; + case Subject: + fieldName = "Subject"; + break; + case Author: + fieldName = "Author"; + break; + case Keywords: + fieldName = "Keywords"; + break; + case Producer: + fieldName = "Producer"; + break; + case Creator: + fieldName = "Creator"; + break; + case CreationDate: + fieldName = "CreationDate"; + break; + case ModificationDate: + fieldName = "ModDate"; + break; + } + + QPdfMutexLocker lock; + const unsigned long len = FPDF_GetMetaText(d->doc, fieldName.constData(), nullptr, 0); + + QVector<ushort> buf(len); + FPDF_GetMetaText(d->doc, fieldName.constData(), buf.data(), buf.length()); + lock.unlock(); + + QString text = QString::fromUtf16(buf.data()); + + switch (field) { + case Title: // fall through + case Subject: + case Author: + case Keywords: + case Producer: + case Creator: + return text; + case CreationDate: // fall through + case ModificationDate: + // convert a "D:YYYYMMDDHHmmSSOHH'mm'" into "YYYY-MM-DDTHH:mm:ss+HH:mm" + if (text.startsWith(QLatin1String("D:"))) + text = text.mid(2); + text.insert(4, QLatin1Char('-')); + text.insert(7, QLatin1Char('-')); + text.insert(10, QLatin1Char('T')); + text.insert(13, QLatin1Char(':')); + text.insert(16, QLatin1Char(':')); + text.replace(QLatin1Char('\''), QLatin1Char(':')); + if (text.endsWith(QLatin1Char(':'))) + text.chop(1); + + return QDateTime::fromString(text, Qt::ISODate); + } + + return QVariant(); +} + +QPdfDocument::DocumentError QPdfDocument::error() const +{ + return d->lastError; +} + +/*! + Closes the document. +*/ +void QPdfDocument::close() +{ + if (!d->doc) + return; + + d->setStatus(Unloading); + + d->clear(); + + if (!d->password.isEmpty()) { + d->password.clear(); + emit passwordChanged(); + } + + d->setStatus(Null); +} + +/*! + Returns the amount of pages for the loaded document or \c 0 if + no document is loaded. +*/ +int QPdfDocument::pageCount() const +{ + return d->pageCount; +} + +QSizeF QPdfDocument::pageSize(int page) const +{ + QSizeF result; + if (!d->doc) + return result; + + const QPdfMutexLocker lock; + + FPDF_GetPageSizeByIndex(d->doc, page, &result.rwidth(), &result.rheight()); + return result; +} + +/*! + Renders the \a page into a QImage of size \a imageSize according to the + provided \a renderOptions. + + Returns the rendered page or an empty image in case of an error. + + Note: If the \a imageSize does not match the aspect ratio of the page in the + PDF document, the page is rendered scaled, so that it covers the + complete \a imageSize. +*/ +QImage QPdfDocument::render(int page, QSize imageSize, QPdfDocumentRenderOptions renderOptions) +{ + if (!d->doc) + return QImage(); + + const QPdfMutexLocker lock; + + QElapsedTimer timer; + if (Q_UNLIKELY(qLcDoc().isDebugEnabled())) + timer.start(); + FPDF_PAGE pdfPage = FPDF_LoadPage(d->doc, page); + if (!pdfPage) + return QImage(); + + QImage result(imageSize, QImage::Format_ARGB32); + result.fill(Qt::transparent); + FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(result.width(), result.height(), FPDFBitmap_BGRA, result.bits(), result.bytesPerLine()); + + int rotation = 0; + switch (renderOptions.rotation()) { + case QPdf::Rotate0: + rotation = 0; + break; + case QPdf::Rotate90: + rotation = 1; + break; + case QPdf::Rotate180: + rotation = 2; + break; + case QPdf::Rotate270: + rotation = 3; + break; + } + + const QPdf::RenderFlags renderFlags = renderOptions.renderFlags(); + int flags = 0; + if (renderFlags & QPdf::RenderAnnotations) + flags |= FPDF_ANNOT; + if (renderFlags & QPdf::RenderOptimizedForLcd) + flags |= FPDF_LCD_TEXT; + if (renderFlags & QPdf::RenderGrayscale) + flags |= FPDF_GRAYSCALE; + if (renderFlags & QPdf::RenderForceHalftone) + flags |= FPDF_RENDER_FORCEHALFTONE; + if (renderFlags & QPdf::RenderTextAliased) + flags |= FPDF_RENDER_NO_SMOOTHTEXT; + if (renderFlags & QPdf::RenderImageAliased) + flags |= FPDF_RENDER_NO_SMOOTHIMAGE; + if (renderFlags & QPdf::RenderPathAliased) + flags |= FPDF_RENDER_NO_SMOOTHPATH; + + FPDF_RenderPageBitmap(bitmap, pdfPage, 0, 0, result.width(), result.height(), rotation, flags); + + FPDFBitmap_Destroy(bitmap); + + FPDF_ClosePage(pdfPage); + qCDebug(qLcDoc) << "page" << page << imageSize << "took" << timer.elapsed() << "ms"; + return result; +} + +QT_END_NAMESPACE + +#include "moc_qpdfdocument.cpp" diff --git a/src/pdf/qpdfdocumentrenderoptions.qdoc b/src/pdf/qpdfdocumentrenderoptions.qdoc new file mode 100644 index 000000000..cafb0afc1 --- /dev/null +++ b/src/pdf/qpdfdocumentrenderoptions.qdoc @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfdocumentrenderoptions.h" + +QT_BEGIN_NAMESPACE + +/*! + \class QPdfDocumentRenderOptions + \since 5.10 + \inmodule QtPdf + + \brief The QPdfDocumentRenderOptions class holds the options to render a page from a PDF document. + + \sa QPdfDocument +*/ + +/*! + \fn QPdfDocumentRenderOptions::QPdfDocumentRenderOptions() + + Constructs a QPdfDocumentRenderOptions object. +*/ + +/*! + \fn QPdf::Rotation QPdfDocumentRenderOptions::rotation() const + + Returns the rotation used for rendering a page from a PDF document. + + \sa setRotation() +*/ + +/*! + \fn void QPdfDocumentRenderOptions::setRotation(QPdf::Rotation rotation) + + Sets the \a rotation used for rendering a page from a PDF document. + + \sa rotation() +*/ + +/*! + \fn QPdf::RenderFlags QPdfDocumentRenderOptions::renderFlags() const + + Returns the special flags used for rendering a page from a PDF document. + + \sa setRenderFlags() +*/ + +/*! + \fn void QPdfDocumentRenderOptions::setRenderFlags(QPdf::RenderFlags flags) + + Sets the special \a flags used for rendering a page from a PDF document. + + \sa renderFlags() +*/ + +/*! + \fn bool operator!=(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs) + \relates QPdfDocumentRenderOptions + + Returns \c true if the options \a lhs and \a rhs are different, otherwise + returns \c false. +*/ + +/*! + \fn bool operator==(QPdfDocumentRenderOptions lhs, QPdfDocumentRenderOptions rhs) + \relates QPdfDocumentRenderOptions + + Returns \c true if the options \a lhs and \a rhs are equal, + otherwise returns \c false. +*/ + +QT_END_NAMESPACE diff --git a/src/pdf/qpdfnamespace.qdoc b/src/pdf/qpdfnamespace.qdoc new file mode 100644 index 000000000..96bb090e9 --- /dev/null +++ b/src/pdf/qpdfnamespace.qdoc @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \namespace QPdf + \inmodule QtPdf + \keyword QPdf Namespace + + \brief The QPdf namespace contains miscellaneous identifiers + used throughout the QtPdf module. +*/ + +/*! + \enum QPdf::Rotation + + This enum describes the rotation of the page for rendering. + + \value Rotate0 Do not rotate (the default) + \value Rotate90 Rotate 90 degrees clockwise + \value Rotate180 Rotate 180 degrees + \value Rotate270 Rotate 270 degrees clockwise + + \sa QPdfDocument::render() +*/ +/*! + \enum QPdf::RenderFlag + + This enum is used to describe how a page should be rendered. + + \value NoRenderFlags The default value, representing no flags. + \value RenderAnnotations The page is rendered with annotations. + \value RenderOptimizedForLcd The text of the page is rendered optimized for LCD display. + \value RenderGrayscale The page is rendered grayscale. + \value RenderForceHalftone Always use halftones for rendering if the output image is stretched. + \value RenderTextAliased Anti-aliasing is disabled for rendering text. + \value RenderImageAliased Anti-aliasing is disabled for rendering images. + \value RenderPathAliased Anti-aliasing is disabled for rendering paths. + + \sa QPdfDocument::render() +*/ + diff --git a/src/pdf/qpdfpagenavigation.cpp b/src/pdf/qpdfpagenavigation.cpp new file mode 100644 index 000000000..497c1c2eb --- /dev/null +++ b/src/pdf/qpdfpagenavigation.cpp @@ -0,0 +1,314 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfpagenavigation.h" + +#include "qpdfdocument.h" + +#include <private/qobject_p.h> + +#include <QPointer> + +QT_BEGIN_NAMESPACE + +class QPdfPageNavigationPrivate : public QObjectPrivate +{ +public: + QPdfPageNavigationPrivate() + : QObjectPrivate() + { + } + + void update() + { + Q_Q(QPdfPageNavigation); + + const bool documentAvailable = m_document && m_document->status() == QPdfDocument::Ready; + + if (documentAvailable) { + const int newPageCount = m_document->pageCount(); + if (m_pageCount != newPageCount) { + m_pageCount = newPageCount; + emit q->pageCountChanged(m_pageCount); + } + } else { + if (m_pageCount != 0) { + m_pageCount = 0; + emit q->pageCountChanged(m_pageCount); + } + } + + if (m_currentPage != 0) { + m_currentPage = 0; + emit q->currentPageChanged(m_currentPage); + } + + updatePrevNext(); + } + + void updatePrevNext() + { + Q_Q(QPdfPageNavigation); + + const bool hasPreviousPage = m_currentPage > 0; + const bool hasNextPage = m_currentPage < (m_pageCount - 1); + + if (m_canGoToPreviousPage != hasPreviousPage) { + m_canGoToPreviousPage = hasPreviousPage; + emit q->canGoToPreviousPageChanged(m_canGoToPreviousPage); + } + + if (m_canGoToNextPage != hasNextPage) { + m_canGoToNextPage = hasNextPage; + emit q->canGoToNextPageChanged(m_canGoToNextPage); + } + } + + void documentStatusChanged() + { + update(); + } + + Q_DECLARE_PUBLIC(QPdfPageNavigation) + + QPointer<QPdfDocument> m_document = nullptr; + int m_currentPage = 0; + int m_pageCount = 0; + bool m_canGoToPreviousPage = false; + bool m_canGoToNextPage = false; + + QMetaObject::Connection m_documentStatusChangedConnection; +}; + +/*! + \class QPdfPageNavigation + \since 5.10 + \inmodule QtPdf + + \brief The QPdfPageNavigation class handles the navigation through a PDF document. + + \sa QPdfDocument +*/ + + +/*! + Constructs a page navigation object with parent object \a parent. +*/ +QPdfPageNavigation::QPdfPageNavigation(QObject *parent) + : QObject(*new QPdfPageNavigationPrivate, parent) +{ +} + +/*! + Destroys the page navigation object. +*/ +QPdfPageNavigation::~QPdfPageNavigation() +{ +} + +/*! + \property QPdfPageNavigation::document + \brief The document instance on which this object navigates. + + By default, this property is \c nullptr. + + \sa document(), setDocument(), QPdfDocument +*/ + +/*! + Returns the document on which this object navigates, or a \c nullptr + if none has set before. + + \sa QPdfDocument +*/ +QPdfDocument* QPdfPageNavigation::document() const +{ + Q_D(const QPdfPageNavigation); + + return d->m_document; +} + +/*! + Sets the \a document this object navigates on. + + After a new document has been set, the currentPage will be \c 0. + + \sa QPdfDocument +*/ +void QPdfPageNavigation::setDocument(QPdfDocument *document) +{ + Q_D(QPdfPageNavigation); + + if (d->m_document == document) + return; + + if (d->m_document) + disconnect(d->m_documentStatusChangedConnection); + + d->m_document = document; + emit documentChanged(d->m_document); + + if (d->m_document) + d->m_documentStatusChangedConnection = connect(d->m_document.data(), &QPdfDocument::statusChanged, this, [d](){ d->documentStatusChanged(); }); + + d->update(); +} + +/*! + \property QPdfPageNavigation::currentPage + \brief The current page number in the document. + + \sa currentPage(), setCurrentPage() +*/ + +/*! + Returns the current page number or \c 0 if there is no document set. + + After a document has been loaded, the currentPage will always be \c 0. +*/ +int QPdfPageNavigation::currentPage() const +{ + Q_D(const QPdfPageNavigation); + + return d->m_currentPage; +} + +/*! + \fn void QPdfPageNavigation::setCurrentPage(int page) + + Sets the current \a page number. +*/ +void QPdfPageNavigation::setCurrentPage(int newPage) +{ + Q_D(QPdfPageNavigation); + + if (newPage < 0 || newPage >= d->m_pageCount) + return; + + if (d->m_currentPage == newPage) + return; + + d->m_currentPage = newPage; + emit currentPageChanged(d->m_currentPage); + + d->updatePrevNext(); +} + +/*! + \property QPdfPageNavigation::pageCount + \brief The number of pages in the document. + + \sa pageCount() +*/ + +/*! + Returns the number of pages in the document or \c 0 if there + is no document set. +*/ +int QPdfPageNavigation::pageCount() const +{ + Q_D(const QPdfPageNavigation); + + return d->m_pageCount; +} + +/*! + \property QPdfPageNavigation::canGoToPreviousPage + \brief Indicates whether there is a page before the current page. + + \sa canGoToPreviousPage(), goToPreviousPage() +*/ + +/*! + Returns whether there is a page before the current one. +*/ +bool QPdfPageNavigation::canGoToPreviousPage() const +{ + Q_D(const QPdfPageNavigation); + + return d->m_canGoToPreviousPage; +} + +/*! + \property QPdfPageNavigation::canGoToNextPage + \brief Indicates whether there is a page after the current page. + + \sa canGoToNextPage(), goToNextPage() +*/ + +/*! + Returns whether there is a page after the current one. +*/ +bool QPdfPageNavigation::canGoToNextPage() const +{ + Q_D(const QPdfPageNavigation); + + return d->m_canGoToNextPage; +} + +/*! + Changes the current page to the previous page. + + If there is no previous page in the document, nothing happens. + + \sa canGoToPreviousPage +*/ +void QPdfPageNavigation::goToPreviousPage() +{ + Q_D(QPdfPageNavigation); + + if (d->m_currentPage > 0) + setCurrentPage(d->m_currentPage - 1); +} + +/*! + Changes the current page to the next page. + + If there is no next page in the document, nothing happens. + + \sa canGoToNextPage +*/ +void QPdfPageNavigation::goToNextPage() +{ + Q_D(QPdfPageNavigation); + + if (d->m_currentPage < d->m_pageCount - 1) + setCurrentPage(d->m_currentPage + 1); +} + +QT_END_NAMESPACE + +#include "moc_qpdfpagenavigation.cpp" diff --git a/src/pdf/qpdfpagerenderer.cpp b/src/pdf/qpdfpagerenderer.cpp new file mode 100644 index 000000000..e90f66700 --- /dev/null +++ b/src/pdf/qpdfpagerenderer.cpp @@ -0,0 +1,359 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfpagerenderer.h" + +#include <private/qobject_p.h> +#include <QMutex> +#include <QPdfDocument> +#include <QPointer> +#include <QThread> + +QT_BEGIN_NAMESPACE + +class RenderWorker : public QObject +{ + Q_OBJECT + +public: + RenderWorker(); + ~RenderWorker(); + + void setDocument(QPdfDocument *document); + +public Q_SLOTS: + void requestPage(quint64 requestId, int page, QSize imageSize, + QPdfDocumentRenderOptions options); + +Q_SIGNALS: + void pageRendered(int page, QSize imageSize, const QImage &image, + QPdfDocumentRenderOptions options, quint64 requestId); + +private: + QPointer<QPdfDocument> m_document; + QMutex m_mutex; +}; + +class QPdfPageRendererPrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QPdfPageRenderer) + +public: + QPdfPageRendererPrivate(); + ~QPdfPageRendererPrivate(); + + void handleNextRequest(); + void requestFinished(int page, QSize imageSize, const QImage &image, + QPdfDocumentRenderOptions options, quint64 requestId); + + QPdfPageRenderer::RenderMode m_renderMode = QPdfPageRenderer::SingleThreadedRenderMode; + QPointer<QPdfDocument> m_document; + + struct PageRequest + { + quint64 id; + int pageNumber; + QSize imageSize; + QPdfDocumentRenderOptions options; + }; + + QVector<PageRequest> m_requests; + QVector<PageRequest> m_pendingRequests; + quint64 m_requestIdCounter = 1; + + QThread *m_renderThread = nullptr; + QScopedPointer<RenderWorker> m_renderWorker; +}; + +Q_DECLARE_TYPEINFO(QPdfPageRendererPrivate::PageRequest, Q_PRIMITIVE_TYPE); + + +RenderWorker::RenderWorker() + : m_document(nullptr) +{ +} + +RenderWorker::~RenderWorker() +{ +} + +void RenderWorker::setDocument(QPdfDocument *document) +{ + const QMutexLocker locker(&m_mutex); + + if (m_document == document) + return; + + m_document = document; +} + +void RenderWorker::requestPage(quint64 requestId, int pageNumber, QSize imageSize, + QPdfDocumentRenderOptions options) +{ + const QMutexLocker locker(&m_mutex); + + if (!m_document || m_document->status() != QPdfDocument::Ready) + return; + + const QImage image = m_document->render(pageNumber, imageSize, options); + + emit pageRendered(pageNumber, imageSize, image, options, requestId); +} + + +QPdfPageRendererPrivate::QPdfPageRendererPrivate() + : QObjectPrivate() + , m_renderWorker(new RenderWorker) +{ +} + +QPdfPageRendererPrivate::~QPdfPageRendererPrivate() +{ + if (m_renderThread) { + m_renderThread->quit(); + m_renderThread->wait(); + } +} + +void QPdfPageRendererPrivate::handleNextRequest() +{ + if (m_requests.isEmpty()) + return; + + const PageRequest request = m_requests.takeFirst(); + m_pendingRequests.append(request); + + QMetaObject::invokeMethod(m_renderWorker.data(), "requestPage", Qt::QueuedConnection, + Q_ARG(quint64, request.id), Q_ARG(int, request.pageNumber), + Q_ARG(QSize, request.imageSize), Q_ARG(QPdfDocumentRenderOptions, + request.options)); +} + +void QPdfPageRendererPrivate::requestFinished(int page, QSize imageSize, const QImage &image, QPdfDocumentRenderOptions options, quint64 requestId) +{ + const auto it = std::find_if(m_pendingRequests.begin(), m_pendingRequests.end(), + [page, imageSize, options](const PageRequest &request){ return request.pageNumber == page && request.imageSize == imageSize && request.options == options; }); + + if (it != m_pendingRequests.end()) + m_pendingRequests.erase(it); +} + +/*! + \class QPdfPageRenderer + \since 5.11 + \inmodule QtPdf + + \brief The QPdfPageRenderer class encapsulates the rendering of pages of a PDF document. + + The QPdfPageRenderer contains a queue that collects all render requests that are invoked through + requestPage(). Depending on the configured RenderMode the QPdfPageRenderer processes this queue + in the main UI thread on next event loop invocation (SingleThreadedRenderMode) or in a separate worker thread + (MultiThreadedRenderMode) and emits the result through the pageRendered() signal for each request once + the rendering is done. + + \sa QPdfDocument +*/ + + +/*! + Constructs a page renderer object with parent object \a parent. +*/ +QPdfPageRenderer::QPdfPageRenderer(QObject *parent) + : QObject(*new QPdfPageRendererPrivate(), parent) +{ + Q_D(QPdfPageRenderer); + + qRegisterMetaType<QPdfDocumentRenderOptions>(); + + connect(d->m_renderWorker.data(), &RenderWorker::pageRendered, this, + [this,d](int page, QSize imageSize, const QImage &image, QPdfDocumentRenderOptions options, quint64 requestId) { + d->requestFinished(page, imageSize, image, options, requestId); + emit pageRendered(page, imageSize, image, options, requestId); + d->handleNextRequest(); + }); +} + +/*! + Destroys the page renderer object. +*/ +QPdfPageRenderer::~QPdfPageRenderer() +{ +} + +/*! + \enum QPdfPageRenderer::RenderMode + + This enum describes how the pages are rendered. + + \value MultiThreadedRenderMode All pages are rendered in a separate worker thread. + \value SingleThreadedRenderMode All pages are rendered in the main UI thread (default). + + \sa renderMode(), setRenderMode() +*/ + +/*! + \property QPdfPageRenderer::renderMode + \brief The mode the renderer uses to render the pages. + + By default, this property is \c QPdfPageRenderer::SingleThreaded. + + \sa setRenderMode(), RenderMode +*/ + +/*! + Returns the mode of how the pages are rendered. + + \sa RenderMode +*/ +QPdfPageRenderer::RenderMode QPdfPageRenderer::renderMode() const +{ + Q_D(const QPdfPageRenderer); + + return d->m_renderMode; +} + +/*! + Sets the mode of how the pages are rendered to \a mode. + + \sa RenderMode +*/ +void QPdfPageRenderer::setRenderMode(RenderMode mode) +{ + Q_D(QPdfPageRenderer); + + if (d->m_renderMode == mode) + return; + + d->m_renderMode = mode; + emit renderModeChanged(d->m_renderMode); + + if (d->m_renderMode == MultiThreadedRenderMode) { + d->m_renderThread = new QThread; + d->m_renderWorker->moveToThread(d->m_renderThread); + d->m_renderThread->start(); + } else { + d->m_renderThread->quit(); + d->m_renderThread->wait(); + delete d->m_renderThread; + d->m_renderThread = nullptr; + + // pulling the object from another thread should be fine, once that thread is deleted + d->m_renderWorker->moveToThread(this->thread()); + } +} + +/*! + \property QPdfPageRenderer::document + \brief The document instance this object renders the pages from. + + By default, this property is \c nullptr. + + \sa document(), setDocument(), QPdfDocument +*/ + +/*! + Returns the document this objects renders the pages from, or a \c nullptr + if none has been set before. + + \sa QPdfDocument +*/ +QPdfDocument* QPdfPageRenderer::document() const +{ + Q_D(const QPdfPageRenderer); + + return d->m_document; +} + +/*! + Sets the \a document this object renders the pages from. + + \sa QPdfDocument +*/ +void QPdfPageRenderer::setDocument(QPdfDocument *document) +{ + Q_D(QPdfPageRenderer); + + if (d->m_document == document) + return; + + d->m_document = document; + emit documentChanged(d->m_document); + + d->m_renderWorker->setDocument(d->m_document); +} + +/*! + Requests the renderer to render the page \a pageNumber into a QImage of size \a imageSize + according to the provided \a options. + + Once the rendering is done the pageRendered() signal is emitted with the result as parameters. + + The return value is an ID that uniquely identifies the render request. If a request with the + same parameters is still in the queue, the ID of that queued request is returned. +*/ +quint64 QPdfPageRenderer::requestPage(int pageNumber, QSize imageSize, + QPdfDocumentRenderOptions options) +{ + Q_D(QPdfPageRenderer); + + if (!d->m_document || d->m_document->status() != QPdfDocument::Ready) + return 0; + + for (const auto request : qAsConst(d->m_pendingRequests)) { + if (request.pageNumber == pageNumber + && request.imageSize == imageSize + && request.options == options) + return request.id; + } + + const auto id = d->m_requestIdCounter++; + + QPdfPageRendererPrivate::PageRequest request; + request.id = id; + request.pageNumber = pageNumber; + request.imageSize = imageSize; + request.options = options; + + d->m_requests.append(request); + + d->handleNextRequest(); + + return id; +} + +QT_END_NAMESPACE + +#include "qpdfpagerenderer.moc" diff --git a/src/pdf/qpdfsearchmodel.cpp b/src/pdf/qpdfsearchmodel.cpp new file mode 100644 index 000000000..9010d76d3 --- /dev/null +++ b/src/pdf/qpdfsearchmodel.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfsearchmodel.h" +#include "qpdfsearchmodel_p.h" +#include "qpdfdocument_p.h" + +#include "third_party/pdfium/public/fpdf_doc.h" +#include "third_party/pdfium/public/fpdf_text.h" + +#include <QLoggingCategory> + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(qLcS, "qt.pdf.search") + +QPdfSearchModel::QPdfSearchModel(QObject *parent) + : QObject(parent), + d(new QPdfSearchModelPrivate()) +{ +} + +QPdfSearchModel::~QPdfSearchModel() {} + +QVector<QRectF> QPdfSearchModel::matches(int page, const QString &searchString) +{ + const QPdfMutexLocker lock; + FPDF_PAGE pdfPage = FPDF_LoadPage(d->document->d->doc, page); + if (!pdfPage) { + qWarning() << "failed to load page" << page; + return {}; + } + double pageHeight = FPDF_GetPageHeight(pdfPage); + FPDF_TEXTPAGE textPage = FPDFText_LoadPage(pdfPage); + if (!textPage) { + qWarning() << "failed to load text of page" << page; + FPDF_ClosePage(pdfPage); + return {}; + } + QVector<QRectF> ret; + if (searchString.isEmpty()) + return ret; + FPDF_SCHHANDLE sh = FPDFText_FindStart(textPage, searchString.utf16(), 0, 0); + while (FPDFText_FindNext(sh)) { + int idx = FPDFText_GetSchResultIndex(sh); + int count = FPDFText_GetSchCount(sh); + int rectCount = FPDFText_CountRects(textPage, idx, count); + qCDebug(qLcS) << searchString << ": matched" << count << "chars @" << idx << "across" << rectCount << "rects"; + for (int r = 0; r < rectCount; ++r) { + double left, top, right, bottom; + FPDFText_GetRect(textPage, r, &left, &top, &right, &bottom); + ret << QRectF(left, pageHeight - top, right - left, top - bottom); + qCDebug(qLcS) << ret.last(); + } + } + FPDFText_FindClose(sh); + FPDFText_ClosePage(textPage); + FPDF_ClosePage(pdfPage); + + return ret; +} + +QPdfDocument *QPdfSearchModel::document() const +{ + return d->document; +} + +void QPdfSearchModel::setDocument(QPdfDocument *document) +{ + if (d->document == document) + return; + d->document = document; + emit documentChanged(); +} + +QPdfSearchModelPrivate::QPdfSearchModelPrivate() +{ +} + +QT_END_NAMESPACE + +#include "moc_qpdfsearchmodel.cpp" diff --git a/src/pdf/qpdfsearchmodel_p.h b/src/pdf/qpdfsearchmodel_p.h new file mode 100644 index 000000000..90490d8e5 --- /dev/null +++ b/src/pdf/qpdfsearchmodel_p.h @@ -0,0 +1,56 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFSEARCHMODEL_P_H +#define QPDFSEARCHMODEL_P_H + +#include "qpdfsearchmodel.h" + +#include "third_party/pdfium/public/fpdfview.h" + +QT_BEGIN_NAMESPACE + +class QPdfSearchModelPrivate +{ +public: + QPdfSearchModelPrivate(); + + QPdfDocument *document = nullptr; +}; + +QT_END_NAMESPACE + +#endif // QPDFSEARCHMODEL_P_H diff --git a/src/pdf/qtpdf.gni b/src/pdf/qtpdf.gni new file mode 100644 index 000000000..c31f3e9a0 --- /dev/null +++ b/src/pdf/qtpdf.gni @@ -0,0 +1,7 @@ +include_dirs = [ +] + +deps = [ + "//third_party/pdfium" +] + diff --git a/src/pdf/quick/plugin.cpp b/src/pdf/quick/plugin.cpp new file mode 100644 index 000000000..664ba51ab --- /dev/null +++ b/src/pdf/quick/plugin.cpp @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtQml/qqml.h> +#include <QtQml/qqmlcomponent.h> +#include <QtQml/qqmlengine.h> +#include <QtQml/qqmlextensionplugin.h> +#include "qquickpdfdocument_p.h" +#include "qquickpdfsearchmodel_p.h" + +QT_BEGIN_NAMESPACE + +/*! + \qmlmodule QtQuick.Pdf 5.15 + \title Qt Quick PDF QML Types + \ingroup qmlmodules + \brief Provides QML types for handling PDF documents. + + This QML module contains types for handling PDF documents. + + To use the types in this module, import the module with the following line: + + \code + import QtQuick.Pdf 5.15 + \endcode +*/ + +class QtQuick2PdfPlugin : public QQmlExtensionPlugin +{ + Q_OBJECT + Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid) + +public: + QtQuick2PdfPlugin() : QQmlExtensionPlugin() { } + + void initializeEngine(QQmlEngine *engine, const char *uri) override { + Q_UNUSED(uri); +#ifndef QT_STATIC + engine->addImportPath(QStringLiteral("qrc:/")); +#endif + } + + void registerTypes(const char *uri) override { + Q_ASSERT(QLatin1String(uri) == QLatin1String("QtQuick.Pdf")); + + // Register the latest version, even if there are no new types or new revisions for existing types yet. + qmlRegisterModule(uri, 2, QT_VERSION_MINOR); + + qmlRegisterType<QQuickPdfDocument>(uri, 5, 15, "PdfDocument"); + qmlRegisterType<QQuickPdfSearchModel>(uri, 5, 15, "PdfSearchModel"); + + qmlRegisterType(QUrl("qrc:/qt-project.org/qtpdf/qml/PdfPageView.qml"), uri, 5, 15, "PdfPageView"); + } +}; + +QT_END_NAMESPACE + +#include "plugin.moc" diff --git a/src/pdf/quick/plugins.qmltypes b/src/pdf/quick/plugins.qmltypes new file mode 100644 index 000000000..a30361d33 --- /dev/null +++ b/src/pdf/quick/plugins.qmltypes @@ -0,0 +1,52 @@ +import QtQuick.tooling 1.2 + +// This file describes the plugin-supplied types contained in the library. +// It is used for QML tooling purposes only. +// +// This file was auto-generated by: +// 'qmlplugindump -nonrelocatable QtQuick.Pdf 5.14' + +Module { + dependencies: [ + "QtGraphicalEffects 1.12", + "QtQuick 2.14", + "QtQuick.Controls 2.14", + "QtQuick.Controls.Fusion 2.14", + "QtQuick.Controls.Fusion.impl 2.14", + "QtQuick.Controls.Imagine 2.14", + "QtQuick.Controls.Imagine.impl 2.14", + "QtQuick.Controls.Material 2.14", + "QtQuick.Controls.Material.impl 2.14", + "QtQuick.Controls.Universal 2.14", + "QtQuick.Controls.Universal.impl 2.12", + "QtQuick.Controls.impl 2.14", + "QtQuick.Shapes 1.14", + "QtQuick.Templates 2.14", + "QtQuick.Window 2.2" + ] + Component { + name: "QQuickPdfDocument" + prototype: "QObject" + exports: ["QtQuick.Pdf/PdfDocument 5.14"] + exportMetaObjectRevisions: [0] + Property { name: "source"; type: "QUrl" } + Property { name: "pageCount"; type: "int"; isReadonly: true } + Property { name: "password"; type: "string" } + Property { name: "status"; type: "QPdfDocument::Status"; isReadonly: true } + Property { name: "title"; type: "string"; isReadonly: true } + Property { name: "subject"; type: "string"; isReadonly: true } + Property { name: "author"; type: "string"; isReadonly: true } + Property { name: "keywords"; type: "string"; isReadonly: true } + Property { name: "producer"; type: "string"; isReadonly: true } + Property { name: "creator"; type: "string"; isReadonly: true } + Property { name: "creationDate"; type: "QDateTime"; isReadonly: true } + Property { name: "modificationDate"; type: "QDateTime"; isReadonly: true } + Signal { name: "passwordRequired" } + Signal { name: "metaDataLoaded" } + Method { + name: "pagePointSize" + type: "QSizeF" + Parameter { name: "page"; type: "int" } + } + } +} diff --git a/src/pdf/quick/qml/PdfPageView.qml b/src/pdf/quick/qml/PdfPageView.qml new file mode 100644 index 000000000..b7f75f4c2 --- /dev/null +++ b/src/pdf/quick/qml/PdfPageView.qml @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +import QtQuick 2.15 +import QtQuick.Controls 2.15 +import QtQuick.Pdf 5.15 +import QtQuick.Shapes 1.15 + +Rectangle { + id: paper + width: image.width + height: image.height + + // public API + // TODO 5.15: required property + property var document: null + property real renderScale: 1 + property alias sourceSize: image.sourceSize + property alias currentPage: image.currentFrame + property alias pageCount: image.frameCount + property alias searchString: searchModel.searchString + property alias status: image.status + + property real __pageScale: image.paintedWidth / document.pagePointSize(image.currentFrame).width + + PdfSearchModel { + id: searchModel + document: paper.document + page: image.currentFrame + } + + Image { + id: image + source: document.status === PdfDocument.Ready ? document.source : "" + asynchronous: true + fillMode: Image.PreserveAspectFit + } + function reRenderIfNecessary() { + var newSourceWidth = image.sourceSize.width * paper.scale + var ratio = newSourceWidth / image.sourceSize.width + if (ratio > 1.1 || ratio < 0.9) { + image.sourceSize.width = newSourceWidth + image.sourceSize.height = 1 + paper.scale = 1 + } + } + onRenderScaleChanged: { + image.sourceSize.width = document.pagePointSize(image.currentFrame).width * renderScale + image.sourceSize.height = 0 + paper.scale = 1 + } + + Shape { + anchors.fill: parent + opacity: 0.25 + visible: image.status === Image.Ready + ShapePath { + strokeWidth: 1 + strokeColor: "blue" + fillColor: "cyan" + scale: Qt.size(paper.__pageScale, paper.__pageScale) + PathMultiline { + id: searchResultBoundaries + paths: searchModel.matchGeometry + } + } + } + PinchHandler { + id: pinch + minimumScale: 0.1 + maximumScale: 10 + minimumRotation: 0 + maximumRotation: 0 + onActiveChanged: if (!active) paper.reRenderIfNecessary() + grabPermissions: PinchHandler.TakeOverForbidden // don't allow takeover if pinch has started + } + DragHandler { + id: pageMovingTouchDrag + acceptedDevices: PointerDevice.TouchScreen + } + DragHandler { + id: pageMovingMiddleMouseDrag + acceptedDevices: PointerDevice.Mouse | PointerDevice.Stylus + acceptedButtons: Qt.MiddleButton + snapMode: DragHandler.NoSnap + } +} diff --git a/src/pdf/quick/qmldir b/src/pdf/quick/qmldir new file mode 100644 index 000000000..65fa95cda --- /dev/null +++ b/src/pdf/quick/qmldir @@ -0,0 +1,4 @@ +module QtQuick.Pdf +plugin pdfplugin +classname QtQuick2PdfPlugin +typeinfo plugins.qmltypes diff --git a/src/pdf/quick/qquickpdfdocument.cpp b/src/pdf/quick/qquickpdfdocument.cpp new file mode 100644 index 000000000..73b3d4537 --- /dev/null +++ b/src/pdf/quick/qquickpdfdocument.cpp @@ -0,0 +1,237 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickpdfdocument_p.h" +#include <QQuickItem> +#include <QQmlEngine> +#include <QStandardPaths> +#include <private/qguiapplication_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype Document + \instantiates QQuickPdfDocument + \inqmlmodule QtQuick.Pdf + \ingroup pdf + \brief A representation of a PDF document. + \since 5.15 + + A Document provides access to PDF document meta-information. + It is not necessary for rendering, as it is enough to use an + \l Image with source set to the URL of the PDF. +*/ + +/*! + Constructs a PDF document. +*/ +QQuickPdfDocument::QQuickPdfDocument(QObject *parent) + : QObject(parent) +{ + connect(&m_doc, &QPdfDocument::passwordChanged, this, &QQuickPdfDocument::passwordChanged); + connect(&m_doc, &QPdfDocument::passwordRequired, this, &QQuickPdfDocument::passwordRequired); + connect(&m_doc, &QPdfDocument::statusChanged, [=] (QPdfDocument::Status status) { + emit statusChanged(); + if (status == QPdfDocument::Ready) + emit metaDataChanged(); + }); + connect(&m_doc, &QPdfDocument::pageCountChanged, this, &QQuickPdfDocument::pageCountChanged); +} + +void QQuickPdfDocument::componentComplete() +{ + if (m_doc.error() == QPdfDocument::IncorrectPasswordError) + emit passwordRequired(); +} + +/*! + \qmlproperty url Document::source + + This property holds a URL pointing to the PDF file to be loaded. + + \note At this time, only local filesystem URLs are supported. +*/ +void QQuickPdfDocument::setSource(QUrl source) +{ + if (m_source == source) + return; + + m_source = source; + emit sourceChanged(); + m_doc.load(source.path()); +} + +/*! + \qmlproperty string Document::error + + This property holds a translated string representation of the current + error, if any. + + \sa status +*/ +QString QQuickPdfDocument::error() const +{ + switch (m_doc.error()) { + case QPdfDocument::NoError: + return tr("no error"); + break; + case QPdfDocument::UnknownError: + break; + case QPdfDocument::DataNotYetAvailableError: + return tr("data not yet available"); + break; + case QPdfDocument::FileNotFoundError: + return tr("file not found"); + break; + case QPdfDocument::InvalidFileFormatError: + return tr("invalid file format"); + break; + case QPdfDocument::IncorrectPasswordError: + return tr("incorrect password"); + break; + case QPdfDocument::UnsupportedSecuritySchemeError: + return tr("unsupported security scheme"); + break; + } + return tr("unknown error"); +} + +/*! + \qmlproperty bool Document::password + + This property holds the document password. If the passwordRequired() + signal is emitted, the UI should prompt the user and then set this + property so that document opening can continue. +*/ +void QQuickPdfDocument::setPassword(const QString &password) +{ + if (m_doc.password() == password) + return; + m_doc.setPassword(password); + if (source().isValid() && source().isLocalFile()) + m_doc.load(source().path()); +} + +/*! + \qmlproperty int Document::pageCount + + This property holds the number of pages the PDF contains. +*/ + +/*! + \qmlsignal Document::passwordRequired() + + This signal is emitted when the PDF requires a password in order to open. + The UI in a typical PDF viewer should prompt the user for the password + and then set the password property when the user has provided it. +*/ + +/*! + \qmlmethod size Document::pagePointSize(int page) + + Returns the size of the given \a page in points. +*/ +QSizeF QQuickPdfDocument::pagePointSize(int page) const +{ + return m_doc.pageSize(page); +} + +/*! + \qmlproperty string Document::title + + This property holds the document's title. A typical viewer UI can bind this + to the \c Window.title property. +*/ + +/*! + \qmlproperty string Document::author + + This property holds the name of the person who created the document. +*/ + +/*! + \qmlproperty string Document::subject + + This property holds the subject of the document. +*/ + +/*! + \qmlproperty string Document::keywords + + This property holds the keywords associated with the document. +*/ + +/*! + \qmlproperty string Document::creator + + If the document was converted to PDF from another format, this property + holds the name of the software that created the original document. +*/ + +/*! + \qmlproperty string Document::producer + + If the document was converted to PDF from another format, this property + holds the name of the software that converted it to PDF. +*/ + +/*! + \qmlproperty string Document::creationDate + + This property holds the date and time the document was created. +*/ + +/*! + \qmlproperty string Document::modificationDate + + This property holds the date and time the document was most recently + modified. +*/ + +/*! + \qmlproperty enum Document::status + + This property tells the current status of the document. The possible values are: + + \value PdfDocument.Null The initial status after the document has been created or after it has been closed. + \value PdfDocument.Loading The status after load() has been called and before the document is fully loaded. + \value PdfDocument.Ready The status when the document is fully loaded and its data can be accessed. + \value PdfDocument.Unloading The status after close() has been called on an open document. + At this point the document is still valid and all its data can be accessed. + \value PdfDocument.Error The status after Loading, if loading has failed. +*/ + +QT_END_NAMESPACE diff --git a/src/pdf/quick/qquickpdfdocument_p.h b/src/pdf/quick/qquickpdfdocument_p.h new file mode 100644 index 000000000..1ec7edb1a --- /dev/null +++ b/src/pdf/quick/qquickpdfdocument_p.h @@ -0,0 +1,129 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKPDFDOCUMENT_P_H +#define QQUICKPDFDOCUMENT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtPdf/QPdfDocument> +#include <QDateTime> +#include <QJSValue> +#include <QQmlParserStatus> +#include <QUrl> +#include <QVariant> + +QT_BEGIN_NAMESPACE + +class QQuickPdfDocument : public QObject, public QQmlParserStatus +{ + Q_OBJECT + Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) + Q_PROPERTY(int pageCount READ pageCount NOTIFY pageCountChanged FINAL) + Q_PROPERTY(QString password READ password WRITE setPassword NOTIFY passwordChanged FINAL) + Q_PROPERTY(QPdfDocument::Status status READ status NOTIFY statusChanged FINAL) + Q_PROPERTY(QString error READ error NOTIFY statusChanged FINAL) + + Q_PROPERTY(QString title READ title NOTIFY metaDataChanged) + Q_PROPERTY(QString subject READ subject NOTIFY metaDataChanged) + Q_PROPERTY(QString author READ author NOTIFY metaDataChanged) + Q_PROPERTY(QString keywords READ keywords NOTIFY metaDataChanged) + Q_PROPERTY(QString producer READ producer NOTIFY metaDataChanged) + Q_PROPERTY(QString creator READ creator NOTIFY metaDataChanged) + Q_PROPERTY(QDateTime creationDate READ creationDate NOTIFY metaDataChanged) + Q_PROPERTY(QDateTime modificationDate READ modificationDate NOTIFY metaDataChanged) + +public: + explicit QQuickPdfDocument(QObject *parent = nullptr); + + void classBegin() override {} + void componentComplete() override; + + QUrl source() const { return m_source; } + void setSource(QUrl source); + + int pageCount() const { return m_doc.pageCount(); } + QPdfDocument::Status status() const { return m_doc.status(); } + + QString error() const; + + QString password() const { return m_doc.password(); } + void setPassword(const QString &password); + + QString title() { return m_doc.metaData(QPdfDocument::Title).toString(); } + QString author() { return m_doc.metaData(QPdfDocument::Author).toString(); } + QString subject() { return m_doc.metaData(QPdfDocument::Subject).toString(); } + QString keywords() { return m_doc.metaData(QPdfDocument::Keywords).toString(); } + QString producer() { return m_doc.metaData(QPdfDocument::Producer).toString(); } + QString creator() { return m_doc.metaData(QPdfDocument::Creator).toString(); } + QDateTime creationDate() { return m_doc.metaData(QPdfDocument::CreationDate).toDateTime(); } + QDateTime modificationDate() { return m_doc.metaData(QPdfDocument::ModificationDate).toDateTime(); } + + Q_INVOKABLE QSizeF pagePointSize(int page) const; + +Q_SIGNALS: + void sourceChanged(); + void passwordChanged(); + void passwordRequired(); + void statusChanged(); + void pageCountChanged(); + void metaDataChanged(); + +private: + QPdfDocument &document() { return m_doc; } + +private: + QUrl m_source; + QPdfDocument m_doc; + + friend class QQuickPdfSearchModel; + friend class QQuickPdfSelection; + + Q_DISABLE_COPY(QQuickPdfDocument) +}; + +QT_END_NAMESPACE + +#endif // QQUICKPDFDOCUMENT_P_H diff --git a/src/pdf/quick/qquickpdfsearchmodel.cpp b/src/pdf/quick/qquickpdfsearchmodel.cpp new file mode 100644 index 000000000..8b0e88673 --- /dev/null +++ b/src/pdf/quick/qquickpdfsearchmodel.cpp @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickpdfsearchmodel_p.h" +#include <QQuickItem> +#include <QQmlEngine> +#include <QStandardPaths> +#include <private/qguiapplication_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype PdfSearchModel + \instantiates QQuickPdfSearchModel + \inqmlmodule QtQuick.Pdf + \ingroup pdf + \brief A representation of text search results within a PDF Document. + \since 5.15 + + PdfSearchModel provides the ability to search for text strings within a + document and get the geometric locations of matches on each page. +*/ + +QQuickPdfSearchModel::QQuickPdfSearchModel(QObject *parent) + : QPdfSearchModel(parent) +{ +} + +QQuickPdfDocument *QQuickPdfSearchModel::document() const +{ + return m_quickDocument; +} + +void QQuickPdfSearchModel::setDocument(QQuickPdfDocument *document) +{ + if (document == m_quickDocument) + return; + m_quickDocument = document; + QPdfSearchModel::setDocument(&document->m_doc); +} + +/*! + \qmlproperty list<list<point>> PdfSearchModel::matchGeometry + + A set of paths in a form that can be bound to the \c paths property of a + \l {QtQuick::PathMultiline}{PathMultiline} instance to render a batch of + rectangles around all the locations where search results are found: + + \qml + PdfDocument { + id: doc + } + PdfSearchModel { + id: searchModel + document: doc + page: doc.currentPage + } + Shape { + ShapePath { + PathMultiline { + paths: searchModel.matchGeometry + } + } + } + \endqml + + \sa PathMultiline +*/ +QVector<QPolygonF> QQuickPdfSearchModel::matchGeometry() const +{ + return m_matchGeometry; +} + +/*! + \qmlproperty string PdfSearchModel::searchString + + The string to search for. +*/ +QString QQuickPdfSearchModel::searchString() const +{ + return m_searchString; +} + +void QQuickPdfSearchModel::setSearchString(QString searchString) +{ + if (m_searchString == searchString) + return; + + m_searchString = searchString; + emit searchStringChanged(); + updateResults(); +} + +/*! + \qmlproperty int PdfSearchModel::page + + The page number on which to search. + + \sa QtQuick::Image::currentFrame +*/ +int QQuickPdfSearchModel::page() const +{ + return m_page; +} + +void QQuickPdfSearchModel::setPage(int page) +{ + if (m_page == page) + return; + + m_page = page; + emit pageChanged(); + updateResults(); +} + +void QQuickPdfSearchModel::updateResults() +{ + if (!document() || (m_searchString.isEmpty() && !m_matchGeometry.isEmpty()) || m_page < 0 || m_page > document()->pageCount()) { + m_matchGeometry.clear(); + emit matchGeometryChanged(); + } + QVector<QRectF> m = QPdfSearchModel::matches(m_page, m_searchString); + QVector<QPolygonF> matches; + for (QRectF r : m) + matches << QPolygonF(r); + if (matches != m_matchGeometry) { + m_matchGeometry = matches; + emit matchGeometryChanged(); + } +} + +QT_END_NAMESPACE diff --git a/src/pdf/quick/qquickpdfsearchmodel_p.h b/src/pdf/quick/qquickpdfsearchmodel_p.h new file mode 100644 index 000000000..799ef825f --- /dev/null +++ b/src/pdf/quick/qquickpdfsearchmodel_p.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKPDFSEARCHMODEL_P_H +#define QQUICKPDFSEARCHMODEL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qquickpdfdocument_p.h" +#include "../api/qpdfsearchmodel.h" + +#include <QVariant> +#include <QtQml/qqml.h> + +QT_BEGIN_NAMESPACE + +class QQuickPdfSearchModel : public QPdfSearchModel +{ + Q_OBJECT + Q_PROPERTY(QQuickPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged) + Q_PROPERTY(int page READ page WRITE setPage NOTIFY pageChanged) + Q_PROPERTY(QString searchString READ searchString WRITE setSearchString NOTIFY searchStringChanged) + Q_PROPERTY(QVector<QPolygonF> matchGeometry READ matchGeometry NOTIFY matchGeometryChanged) + +public: + explicit QQuickPdfSearchModel(QObject *parent = nullptr); + + QQuickPdfDocument *document() const; + void setDocument(QQuickPdfDocument * document); + + int page() const; + void setPage(int page); + + QString searchString() const; + void setSearchString(QString searchString); + + QVector<QPolygonF> matchGeometry() const; + +signals: + void documentChanged(); + void pageChanged(); + void searchStringChanged(); + void matchGeometryChanged(); + +private: + void updateResults(); + +private: + QQuickPdfDocument *m_quickDocument = nullptr; + QString m_searchString; + QVector<QPolygonF> m_matchGeometry; + int m_page; + + Q_DISABLE_COPY(QQuickPdfSearchModel) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickPdfSearchModel) + +#endif // QQUICKPDFSEARCHMODEL_P_H diff --git a/src/pdf/quick/quick.pro b/src/pdf/quick/quick.pro new file mode 100644 index 000000000..cda768369 --- /dev/null +++ b/src/pdf/quick/quick.pro @@ -0,0 +1,26 @@ +CXX_MODULE = qml +TARGET = pdfplugin +TARGETPATH = QtQuick/Pdf +IMPORT_VERSION = 1.0 + +#QMAKE_DOCS = $$PWD/doc/qtquickpdf.qdocconf + +PDF_QML_FILES = \ + qml/PdfPageView.qml \ + +QML_FILES += $$PDF_QML_FILES qmldir + +RESOURCES += resources.qrc + +SOURCES += \ + plugin.cpp \ + qquickpdfdocument.cpp \ + qquickpdfsearchmodel.cpp \ + +HEADERS += \ + qquickpdfdocument_p.h \ + qquickpdfsearchmodel_p.h \ + +QT += pdf quick-private gui gui-private core core-private qml qml-private + +load(qml_plugin) diff --git a/src/pdf/quick/resources.qrc b/src/pdf/quick/resources.qrc new file mode 100644 index 000000000..a3f34189c --- /dev/null +++ b/src/pdf/quick/resources.qrc @@ -0,0 +1,5 @@ +<RCC> + <qresource prefix="/qt-project.org/qtpdf"> + <file>qml/PdfPageView.qml</file> + </qresource> +</RCC> diff --git a/src/pdfwidgets/configure.json b/src/pdfwidgets/configure.json new file mode 100644 index 000000000..b33f08555 --- /dev/null +++ b/src/pdfwidgets/configure.json @@ -0,0 +1,28 @@ +{ + "module": "pdfwidgets", + "condition": "module.pdf && features.pdf-widgets", + "depends": [ + "pdf-private" + ], + "commandline": { + "options": { + "pdf-widgets": "boolean" + } + }, + "features": { + "pdf-widgets": { + "label": "Support Qt PDF Widgets", + "purpose": "Provides Qt PDF Widgets support.", + "condition": "module.widgets", + "output": [ "privateFeature" ] + } + }, + "summary": [ + { + "section": "Qt PDF Widgets", + "entries": [ + "pdf-widgets" + ] + } + ] +} diff --git a/src/pdfwidgets/pdfwidgets.pro b/src/pdfwidgets/pdfwidgets.pro new file mode 100644 index 000000000..cf221be03 --- /dev/null +++ b/src/pdfwidgets/pdfwidgets.pro @@ -0,0 +1,12 @@ +TARGET = QtPdfWidgets +QT = core gui widgets widgets-private pdf + +SOURCES += \ + qpdfview.cpp + +HEADERS += \ + qpdfview.h \ + qpdfview_p.h \ + qtpdfwidgetsglobal.h + +load(qt_module) diff --git a/src/pdfwidgets/qpdfview.cpp b/src/pdfwidgets/qpdfview.cpp new file mode 100644 index 000000000..19e5b719a --- /dev/null +++ b/src/pdfwidgets/qpdfview.cpp @@ -0,0 +1,493 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfview.h" +#include "qpdfview_p.h" + +#include "qpdfpagerenderer.h" + +#include <QGuiApplication> +#include <QPdfDocument> +#include <QPdfPageNavigation> +#include <QScreen> +#include <QScrollBar> +#include <QScroller> + +QT_BEGIN_NAMESPACE + +QPdfViewPrivate::QPdfViewPrivate() + : QAbstractScrollAreaPrivate() + , m_document(nullptr) + , m_pageNavigation(nullptr) + , m_pageRenderer(nullptr) + , m_pageMode(QPdfView::SinglePage) + , m_zoomMode(QPdfView::CustomZoom) + , m_zoomFactor(1.0) + , m_pageSpacing(3) + , m_documentMargins(6, 6, 6, 6) + , m_blockPageScrolling(false) + , m_pageCacheLimit(20) + , m_screenResolution(QGuiApplication::primaryScreen()->logicalDotsPerInch() / 72.0) +{ +} + +void QPdfViewPrivate::init() +{ + Q_Q(QPdfView); + + m_pageNavigation = new QPdfPageNavigation(q); + m_pageRenderer = new QPdfPageRenderer(q); + m_pageRenderer->setRenderMode(QPdfPageRenderer::MultiThreadedRenderMode); +} + +void QPdfViewPrivate::documentStatusChanged() +{ + updateDocumentLayout(); + invalidatePageCache(); +} + +void QPdfViewPrivate::currentPageChanged(int currentPage) +{ + Q_Q(QPdfView); + + if (m_blockPageScrolling) + return; + + q->verticalScrollBar()->setValue(yPositionForPage(currentPage)); + + if (m_pageMode == QPdfView::SinglePage) + invalidateDocumentLayout(); +} + +void QPdfViewPrivate::calculateViewport() +{ + Q_Q(QPdfView); + + const int x = q->horizontalScrollBar()->value(); + const int y = q->verticalScrollBar()->value(); + const int width = q->viewport()->width(); + const int height = q->viewport()->height(); + + setViewport(QRect(x, y, width, height)); +} + +void QPdfViewPrivate::setViewport(QRect viewport) +{ + if (m_viewport == viewport) + return; + + const QSize oldSize = m_viewport.size(); + + m_viewport = viewport; + + if (oldSize != m_viewport.size()) { + updateDocumentLayout(); + + if (m_zoomMode != QPdfView::CustomZoom) { + invalidatePageCache(); + } + } + + if (m_pageMode == QPdfView::MultiPage) { + // An imaginary, 2px height line at the upper half of the viewport, which is used to + // determine which page is currently located there -> we propagate that as 'current' page + // to the QPdfPageNavigation object + const QRect currentPageLine(m_viewport.x(), m_viewport.y() + m_viewport.height() * 0.4, m_viewport.width(), 2); + + int currentPage = 0; + for (auto it = m_documentLayout.pageGeometries.cbegin(); it != m_documentLayout.pageGeometries.cend(); ++it) { + const QRect pageGeometry = it.value(); + if (pageGeometry.intersects(currentPageLine)) { + currentPage = it.key(); + break; + } + } + + if (currentPage != m_pageNavigation->currentPage()) { + m_blockPageScrolling = true; + m_pageNavigation->setCurrentPage(currentPage); + m_blockPageScrolling = false; + } + } +} + +void QPdfViewPrivate::updateScrollBars() +{ + Q_Q(QPdfView); + + const QSize p = q->viewport()->size(); + const QSize v = m_documentLayout.documentSize; + + q->horizontalScrollBar()->setRange(0, v.width() - p.width()); + q->horizontalScrollBar()->setPageStep(p.width()); + q->verticalScrollBar()->setRange(0, v.height() - p.height()); + q->verticalScrollBar()->setPageStep(p.height()); +} + +void QPdfViewPrivate::pageRendered(int pageNumber, QSize imageSize, const QImage &image, quint64 requestId) +{ + Q_Q(QPdfView); + + Q_UNUSED(imageSize) + Q_UNUSED(requestId) + + if (!m_cachedPagesLRU.contains(pageNumber)) { + if (m_cachedPagesLRU.length() > m_pageCacheLimit) + m_pageCache.remove(m_cachedPagesLRU.takeFirst()); + + m_cachedPagesLRU.append(pageNumber); + } + + m_pageCache.insert(pageNumber, image); + + q->viewport()->update(); +} + +void QPdfViewPrivate::invalidateDocumentLayout() +{ + updateDocumentLayout(); + invalidatePageCache(); +} + +void QPdfViewPrivate::invalidatePageCache() +{ + Q_Q(QPdfView); + + m_pageCache.clear(); + q->viewport()->update(); +} + +QPdfViewPrivate::DocumentLayout QPdfViewPrivate::calculateDocumentLayout() const +{ + // The DocumentLayout describes a virtual layout where all pages are positioned inside + // - For SinglePage mode, this is just an area as large as the current page surrounded + // by the m_documentMargins. + // - For MultiPage mode, this is the area that is covered by all pages which are placed + // below each other, with m_pageSpacing inbetween and surrounded by m_documentMargins + + DocumentLayout documentLayout; + + if (!m_document || m_document->status() != QPdfDocument::Ready) + return documentLayout; + + QHash<int, QRect> pageGeometries; + + const int pageCount = m_document->pageCount(); + + int totalWidth = 0; + + const int startPage = (m_pageMode == QPdfView::SinglePage ? m_pageNavigation->currentPage() : 0); + const int endPage = (m_pageMode == QPdfView::SinglePage ? m_pageNavigation->currentPage() + 1 : pageCount); + + // calculate page sizes + for (int page = startPage; page < endPage; ++page) { + QSize pageSize; + if (m_zoomMode == QPdfView::CustomZoom) { + pageSize = QSizeF(m_document->pageSize(page) * m_screenResolution * m_zoomFactor).toSize(); + } else if (m_zoomMode == QPdfView::FitToWidth) { + pageSize = QSizeF(m_document->pageSize(page) * m_screenResolution).toSize(); + const qreal factor = (qreal(m_viewport.width() - m_documentMargins.left() - m_documentMargins.right()) / qreal(pageSize.width())); + pageSize *= factor; + } else if (m_zoomMode == QPdfView::FitInView) { + const QSize viewportSize(m_viewport.size() + QSize(-m_documentMargins.left() - m_documentMargins.right(), -m_pageSpacing)); + + pageSize = QSizeF(m_document->pageSize(page) * m_screenResolution).toSize(); + pageSize = pageSize.scaled(viewportSize, Qt::KeepAspectRatio); + } + + totalWidth = qMax(totalWidth, pageSize.width()); + + pageGeometries[page] = QRect(QPoint(0, 0), pageSize); + } + + totalWidth += m_documentMargins.left() + m_documentMargins.right(); + + int pageY = m_documentMargins.top(); + + // calculate page positions + for (int page = startPage; page < endPage; ++page) { + const QSize pageSize = pageGeometries[page].size(); + + // center horizontal inside the viewport + const int pageX = (qMax(totalWidth, m_viewport.width()) - pageSize.width()) / 2; + + pageGeometries[page].moveTopLeft(QPoint(pageX, pageY)); + + pageY += pageSize.height() + m_pageSpacing; + } + + pageY += m_documentMargins.bottom(); + + documentLayout.pageGeometries = pageGeometries; + + // calculate overall document size + documentLayout.documentSize = QSize(totalWidth, pageY); + + return documentLayout; +} + +qreal QPdfViewPrivate::yPositionForPage(int pageNumber) const +{ + const auto it = m_documentLayout.pageGeometries.constFind(pageNumber); + if (it == m_documentLayout.pageGeometries.cend()) + return 0.0; + + return (*it).y(); +} + +void QPdfViewPrivate::updateDocumentLayout() +{ + m_documentLayout = calculateDocumentLayout(); + + updateScrollBars(); +} + + +QPdfView::QPdfView(QWidget *parent) + : QAbstractScrollArea(*new QPdfViewPrivate(), parent) +{ + Q_D(QPdfView); + + d->init(); + + connect(d->m_pageNavigation, &QPdfPageNavigation::currentPageChanged, this, [d](int page){ d->currentPageChanged(page); }); + + connect(d->m_pageRenderer, &QPdfPageRenderer::pageRendered, + this, [d](int pageNumber, QSize imageSize, const QImage &image, QPdfDocumentRenderOptions, quint64 requestId){ d->pageRendered(pageNumber, imageSize, image, requestId); }); + + verticalScrollBar()->setSingleStep(20); + horizontalScrollBar()->setSingleStep(20); + + QScroller::grabGesture(this); + + d->calculateViewport(); +} + +/*! + \internal +*/ +QPdfView::QPdfView(QPdfViewPrivate &dd, QWidget *parent) + : QAbstractScrollArea(dd, parent) +{ +} + +QPdfView::~QPdfView() +{ +} + +void QPdfView::setDocument(QPdfDocument *document) +{ + Q_D(QPdfView); + + if (d->m_document == document) + return; + + if (d->m_document) + disconnect(d->m_documentStatusChangedConnection); + + d->m_document = document; + emit documentChanged(d->m_document); + + if (d->m_document) + d->m_documentStatusChangedConnection = connect(d->m_document.data(), &QPdfDocument::statusChanged, this, [d](){ d->documentStatusChanged(); }); + + d->m_pageNavigation->setDocument(d->m_document); + d->m_pageRenderer->setDocument(d->m_document); + + d->documentStatusChanged(); +} + +QPdfDocument *QPdfView::document() const +{ + Q_D(const QPdfView); + + return d->m_document; +} + +QPdfPageNavigation *QPdfView::pageNavigation() const +{ + Q_D(const QPdfView); + + return d->m_pageNavigation; +} + +QPdfView::PageMode QPdfView::pageMode() const +{ + Q_D(const QPdfView); + + return d->m_pageMode; +} + +void QPdfView::setPageMode(PageMode mode) +{ + Q_D(QPdfView); + + if (d->m_pageMode == mode) + return; + + d->m_pageMode = mode; + d->invalidateDocumentLayout(); + + emit pageModeChanged(d->m_pageMode); +} + +QPdfView::ZoomMode QPdfView::zoomMode() const +{ + Q_D(const QPdfView); + + return d->m_zoomMode; +} + +void QPdfView::setZoomMode(ZoomMode mode) +{ + Q_D(QPdfView); + + if (d->m_zoomMode == mode) + return; + + d->m_zoomMode = mode; + d->invalidateDocumentLayout(); + + emit zoomModeChanged(d->m_zoomMode); +} + +qreal QPdfView::zoomFactor() const +{ + Q_D(const QPdfView); + + return d->m_zoomFactor; +} + +void QPdfView::setZoomFactor(qreal factor) +{ + Q_D(QPdfView); + + if (d->m_zoomFactor == factor) + return; + + d->m_zoomFactor = factor; + d->invalidateDocumentLayout(); + + emit zoomFactorChanged(d->m_zoomFactor); +} + +int QPdfView::pageSpacing() const +{ + Q_D(const QPdfView); + + return d->m_pageSpacing; +} + +void QPdfView::setPageSpacing(int spacing) +{ + Q_D(QPdfView); + + if (d->m_pageSpacing == spacing) + return; + + d->m_pageSpacing = spacing; + d->invalidateDocumentLayout(); + + emit pageSpacingChanged(d->m_pageSpacing); +} + +QMargins QPdfView::documentMargins() const +{ + Q_D(const QPdfView); + + return d->m_documentMargins; +} + +void QPdfView::setDocumentMargins(QMargins margins) +{ + Q_D(QPdfView); + + if (d->m_documentMargins == margins) + return; + + d->m_documentMargins = margins; + d->invalidateDocumentLayout(); + + emit documentMarginsChanged(d->m_documentMargins); +} + +void QPdfView::paintEvent(QPaintEvent *event) +{ + Q_D(QPdfView); + + QPainter painter(viewport()); + painter.fillRect(event->rect(), palette().brush(QPalette::Dark)); + painter.translate(-d->m_viewport.x(), -d->m_viewport.y()); + + for (auto it = d->m_documentLayout.pageGeometries.cbegin(); it != d->m_documentLayout.pageGeometries.cend(); ++it) { + const QRect pageGeometry = it.value(); + if (pageGeometry.intersects(d->m_viewport)) { // page needs to be painted + painter.fillRect(pageGeometry, Qt::white); + + const int page = it.key(); + const auto pageIt = d->m_pageCache.constFind(page); + if (pageIt != d->m_pageCache.cend()) { + const QImage &img = pageIt.value(); + painter.drawImage(pageGeometry.topLeft(), img); + } else { + d->m_pageRenderer->requestPage(page, pageGeometry.size()); + } + } + } +} + +void QPdfView::resizeEvent(QResizeEvent *event) +{ + Q_D(QPdfView); + + QAbstractScrollArea::resizeEvent(event); + + d->updateScrollBars(); + d->calculateViewport(); +} + +void QPdfView::scrollContentsBy(int dx, int dy) +{ + Q_D(QPdfView); + + QAbstractScrollArea::scrollContentsBy(dx, dy); + + d->calculateViewport(); +} + +QT_END_NAMESPACE + +#include "moc_qpdfview.cpp" diff --git a/src/pdfwidgets/qpdfview.h b/src/pdfwidgets/qpdfview.h new file mode 100644 index 000000000..cee1cb64c --- /dev/null +++ b/src/pdfwidgets/qpdfview.h @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFVIEW_H +#define QPDFVIEW_H + +#include <QtPdfWidgets/qtpdfwidgetsglobal.h> +#include <QtWidgets/qabstractscrollarea.h> + +QT_BEGIN_NAMESPACE + +class QPdfDocument; +class QPdfPageNavigation; +class QPdfViewPrivate; + +class Q_PDF_WIDGETS_EXPORT QPdfView : public QAbstractScrollArea +{ + Q_OBJECT + + Q_PROPERTY(QPdfDocument* document READ document WRITE setDocument NOTIFY documentChanged) + + Q_PROPERTY(PageMode pageMode READ pageMode WRITE setPageMode NOTIFY pageModeChanged) + Q_PROPERTY(ZoomMode zoomMode READ zoomMode WRITE setZoomMode NOTIFY zoomModeChanged) + Q_PROPERTY(qreal zoomFactor READ zoomFactor WRITE setZoomFactor NOTIFY zoomFactorChanged) + + Q_PROPERTY(int pageSpacing READ pageSpacing WRITE setPageSpacing NOTIFY pageSpacingChanged) + Q_PROPERTY(QMargins documentMargins READ documentMargins WRITE setDocumentMargins NOTIFY documentMarginsChanged) + +public: + enum PageMode + { + SinglePage, + MultiPage + }; + Q_ENUM(PageMode) + + enum ZoomMode + { + CustomZoom, + FitToWidth, + FitInView + }; + Q_ENUM(ZoomMode) + + explicit QPdfView(QWidget *parent = nullptr); + ~QPdfView(); + + void setDocument(QPdfDocument *document); + QPdfDocument *document() const; + + QPdfPageNavigation *pageNavigation() const; + + PageMode pageMode() const; + ZoomMode zoomMode() const; + qreal zoomFactor() const; + + int pageSpacing() const; + void setPageSpacing(int spacing); + + QMargins documentMargins() const; + void setDocumentMargins(QMargins margins); + +public Q_SLOTS: + void setPageMode(PageMode mode); + void setZoomMode(ZoomMode mode); + void setZoomFactor(qreal factor); + +Q_SIGNALS: + void documentChanged(QPdfDocument *document); + void pageModeChanged(PageMode pageMode); + void zoomModeChanged(ZoomMode zoomMode); + void zoomFactorChanged(qreal zoomFactor); + void pageSpacingChanged(int pageSpacing); + void documentMarginsChanged(QMargins documentMargins); + +protected: + explicit QPdfView(QPdfViewPrivate &, QWidget *); + + void paintEvent(QPaintEvent *event) override; + void resizeEvent(QResizeEvent *event) override; + void scrollContentsBy(int dx, int dy) override; + +private: + Q_DECLARE_PRIVATE(QPdfView) +}; + +QT_END_NAMESPACE + +#endif // QPDFVIEW_H diff --git a/src/pdfwidgets/qpdfview_p.h b/src/pdfwidgets/qpdfview_p.h new file mode 100644 index 000000000..9fd54b4b6 --- /dev/null +++ b/src/pdfwidgets/qpdfview_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFVIEW_P_H +#define QPDFVIEW_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qpdfview.h" + +#include <QPointer> +#include <QtWidgets/private/qabstractscrollarea_p.h> + +QT_BEGIN_NAMESPACE + +class QPdfPageRenderer; + +class QPdfViewPrivate : public QAbstractScrollAreaPrivate +{ + Q_DECLARE_PUBLIC(QPdfView) + +public: + QPdfViewPrivate(); + void init(); + + void documentStatusChanged(); + void currentPageChanged(int currentPage); + void calculateViewport(); + void setViewport(QRect viewport); + void updateScrollBars(); + + void pageRendered(int pageNumber, QSize imageSize, const QImage &image, quint64 requestId); + void invalidateDocumentLayout(); + void invalidatePageCache(); + + qreal yPositionForPage(int page) const; + + struct DocumentLayout + { + QSize documentSize; + QHash<int, QRect> pageGeometries; + }; + + DocumentLayout calculateDocumentLayout() const; + void updateDocumentLayout(); + + QPointer<QPdfDocument> m_document; + QPdfPageNavigation* m_pageNavigation; + QPdfPageRenderer *m_pageRenderer; + + QPdfView::PageMode m_pageMode; + QPdfView::ZoomMode m_zoomMode; + qreal m_zoomFactor; + + int m_pageSpacing; + QMargins m_documentMargins; + + bool m_blockPageScrolling; + + QMetaObject::Connection m_documentStatusChangedConnection; + + QRect m_viewport; + + QHash<int, QImage> m_pageCache; + QVector<int> m_cachedPagesLRU; + int m_pageCacheLimit; + + DocumentLayout m_documentLayout; + + qreal m_screenResolution; // pixels per point +}; + +Q_DECLARE_TYPEINFO(QPdfViewPrivate::DocumentLayout, Q_MOVABLE_TYPE); + +QT_END_NAMESPACE + +#endif // QPDFVIEW_P_H diff --git a/src/pdfwidgets/qtpdfwidgetsglobal.h b/src/pdfwidgets/qtpdfwidgetsglobal.h new file mode 100644 index 000000000..6c73a34f6 --- /dev/null +++ b/src/pdfwidgets/qtpdfwidgetsglobal.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTPDFWIDGETSGLOBAL_H +#define QTPDFWIDGETSGLOBAL_H + +#include <QtCore/qglobal.h> + +QT_BEGIN_NAMESPACE + +#ifndef Q_PDF_WIDGETS_EXPORT +# ifndef QT_STATIC +# if defined(QT_BUILD_PDFWIDGETS_LIB) +# define Q_PDF_WIDGETS_EXPORT Q_DECL_EXPORT +# else +# define Q_PDF_WIDGETS_EXPORT Q_DECL_IMPORT +# endif +# else +# define Q_PDF_WIDGETS_EXPORT +# endif +#endif + +QT_END_NAMESPACE + +#endif // QTPDFWIDGETSGLOBAL_H + diff --git a/src/plugins/imageformats/imageformats.pro b/src/plugins/imageformats/imageformats.pro new file mode 100644 index 000000000..c3b9cb3a4 --- /dev/null +++ b/src/plugins/imageformats/imageformats.pro @@ -0,0 +1,2 @@ +TEMPLATE = subdirs +SUBDIRS += pdf diff --git a/src/plugins/imageformats/pdf/main.cpp b/src/plugins/imageformats/pdf/main.cpp new file mode 100644 index 000000000..b4d59353c --- /dev/null +++ b/src/plugins/imageformats/pdf/main.cpp @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfiohandler_p.h" + +QT_BEGIN_NAMESPACE + +class QPdfPlugin : public QImageIOPlugin +{ + Q_OBJECT + Q_PLUGIN_METADATA(IID QImageIOHandlerFactoryInterface_iid FILE "pdf.json") + +public: + Capabilities capabilities(QIODevice *device, const QByteArray &format) const override; + QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const override; +}; + +QImageIOPlugin::Capabilities QPdfPlugin::capabilities(QIODevice *device, const QByteArray &format) const +{ + if (format == "pdf") + return Capabilities(CanRead); + if (!format.isEmpty()) + return {}; + + Capabilities cap; + if (device->isReadable() && QPdfIOHandler::canRead(device)) + cap |= CanRead; + return cap; +} + +QImageIOHandler *QPdfPlugin::create(QIODevice *device, const QByteArray &format) const +{ + QPdfIOHandler *hand = new QPdfIOHandler(); + hand->setDevice(device); + hand->setFormat(format); + return hand; +} + +QT_END_NAMESPACE + +#include "main.moc" diff --git a/src/plugins/imageformats/pdf/pdf.json b/src/plugins/imageformats/pdf/pdf.json new file mode 100644 index 000000000..1f5268ca1 --- /dev/null +++ b/src/plugins/imageformats/pdf/pdf.json @@ -0,0 +1,4 @@ +{ + "Keys": [ "pdf" ], + "MimeTypes": [ "application/pdf" ] +} diff --git a/src/plugins/imageformats/pdf/pdf.pro b/src/plugins/imageformats/pdf/pdf.pro new file mode 100644 index 000000000..b820ae7d5 --- /dev/null +++ b/src/plugins/imageformats/pdf/pdf.pro @@ -0,0 +1,11 @@ +TARGET = qpdf + +PLUGIN_TYPE = imageformats +PLUGIN_EXTENDS = pdf +PLUGIN_CLASS_NAME = QPdfPlugin +load(qt_plugin) + +HEADERS += qpdfiohandler_p.h +SOURCES += main.cpp \ + qpdfiohandler.cpp +QT += pdf diff --git a/src/plugins/imageformats/pdf/qpdfiohandler.cpp b/src/plugins/imageformats/pdf/qpdfiohandler.cpp new file mode 100644 index 000000000..9df85cf08 --- /dev/null +++ b/src/plugins/imageformats/pdf/qpdfiohandler.cpp @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpdfiohandler_p.h" +#include <QLoggingCategory> +#include <QPainter> + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(qLcPdf, "qt.imageformat.pdf") + +QPdfIOHandler::QPdfIOHandler() +{ +} + +bool QPdfIOHandler::canRead() const +{ + if (!device()) + return false; + if (m_loaded) + return true; + if (QPdfIOHandler::canRead(device())) { + setFormat("pdf"); + return true; + } + return false; +} + +bool QPdfIOHandler::canRead(QIODevice *device) +{ + char buf[6]; + device->peek(buf, 6); + return (!qstrncmp(buf, "%PDF-", 5) || Q_UNLIKELY(!qstrncmp(buf, "\012%PDF-", 6))); +} + +int QPdfIOHandler::currentImageNumber() const +{ + return m_page; +} + +QRect QPdfIOHandler::currentImageRect() const +{ + return QRect(QPoint(0, 0), m_doc.pageSize(m_page).toSize()); +} + +int QPdfIOHandler::imageCount() const +{ + int ret = 0; + if (const_cast<QPdfIOHandler *>(this)->load(device())) + ret = m_doc.pageCount(); + qCDebug(qLcPdf) << "imageCount" << ret; + return ret; +} + +QByteArray QPdfIOHandler::name() const +{ + return m_doc.metaData(QPdfDocument::MetaDataField::Title).toString().toLocal8Bit(); +} + +bool QPdfIOHandler::read(QImage *image) +{ + if (load(device())) { + if (m_page >= m_doc.pageCount()) + return false; + if (m_page < 0) + m_page = 0; + const bool xform = (m_clipRect.isValid() || m_scaledSize.isValid() || m_scaledClipRect.isValid()); + QSize finalSize = m_doc.pageSize(m_page).toSize(); + QRectF bounds; + if (xform && !finalSize.isEmpty()) { + bounds = QRectF(QPointF(0,0), QSizeF(finalSize)); + QPoint tr1, tr2; + QSizeF sc(1, 1); + if (m_clipRect.isValid()) { + tr1 = -m_clipRect.topLeft(); + finalSize = m_clipRect.size(); + } + if (m_scaledSize.isValid()) { + sc = QSizeF(qreal(m_scaledSize.width()) / finalSize.width(), + qreal(m_scaledSize.height()) / finalSize.height()); + finalSize = m_scaledSize; + } + if (m_scaledClipRect.isValid()) { + tr2 = -m_scaledClipRect.topLeft(); + finalSize = m_scaledClipRect.size(); + } + QTransform t; + t.translate(tr2.x(), tr2.y()); + t.scale(sc.width(), sc.height()); + t.translate(tr1.x(), tr1.y()); + bounds = t.mapRect(bounds); + } + qCDebug(qLcPdf) << Q_FUNC_INFO << m_page << finalSize; + if (image->size() != finalSize || !image->reinterpretAsFormat(QImage::Format_ARGB32_Premultiplied)) { + *image = QImage(finalSize, QImage::Format_ARGB32_Premultiplied); + if (!finalSize.isEmpty() && image->isNull()) { + // avoid QTBUG-68229 + qWarning("QPdfIOHandler: QImage allocation failed (size %i x %i)", finalSize.width(), finalSize.height()); + return false; + } + } + if (!finalSize.isEmpty()) { + image->fill(m_backColor.rgba()); + QPainter p(image); + QImage pageImage = m_doc.render(m_page, finalSize); + p.drawImage(0, 0, pageImage); + p.end(); + } + return true; + } + + return false; +} + +QVariant QPdfIOHandler::option(ImageOption option) const +{ + switch (option) { + case ImageFormat: + return QImage::Format_ARGB32_Premultiplied; + case Size: + const_cast<QPdfIOHandler *>(this)->load(device()); + return m_doc.pageSize(qMax(0, m_page)); + case ClipRect: + return m_clipRect; + case ScaledSize: + return m_scaledSize; + case ScaledClipRect: + return m_scaledClipRect; + case BackgroundColor: + return m_backColor; + case Name: + return m_doc.metaData(QPdfDocument::Title); + default: + break; + } + return QVariant(); +} + +void QPdfIOHandler::setOption(ImageOption option, const QVariant & value) +{ + switch (option) { + case ClipRect: + m_clipRect = value.toRect(); + break; + case ScaledSize: + m_scaledSize = value.toSize(); + break; + case ScaledClipRect: + m_scaledClipRect = value.toRect(); + break; + case BackgroundColor: + m_backColor = value.value<QColor>(); + break; + default: + break; + } +} + +bool QPdfIOHandler::supportsOption(ImageOption option) const +{ + switch (option) + { + case ImageFormat: + case Size: + case ClipRect: + case ScaledSize: + case ScaledClipRect: + case BackgroundColor: + case Name: + return true; + default: + break; + } + return false; +} + +bool QPdfIOHandler::jumpToImage(int frame) +{ + qCDebug(qLcPdf) << Q_FUNC_INFO << frame; + if (frame < 0 || frame >= m_doc.pageCount()) + return false; + m_page = frame; + return true; +} + +bool QPdfIOHandler::jumpToNextImage() +{ + return jumpToImage(m_page + 1); +} + +bool QPdfIOHandler::load(QIODevice *device) +{ + if (m_loaded) + return true; + if (format().isEmpty()) + if (!canRead()) + return false; + + m_doc.load(device); + m_loaded = (m_doc.error() == QPdfDocument::DocumentError::NoError); + + return m_loaded; +} + +QT_END_NAMESPACE diff --git a/src/plugins/imageformats/pdf/qpdfiohandler_p.h b/src/plugins/imageformats/pdf/qpdfiohandler_p.h new file mode 100644 index 000000000..ca0a27581 --- /dev/null +++ b/src/plugins/imageformats/pdf/qpdfiohandler_p.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPDFIOHANDLER_H +#define QPDFIOHANDLER_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtGui/qimageiohandler.h> +#include <QtPdf/QPdfDocument> + +QT_BEGIN_NAMESPACE + +class QPdfIOHandler : public QImageIOHandler +{ +public: + QPdfIOHandler(); + bool canRead() const override; + static bool canRead(QIODevice *device); + int currentImageNumber() const override; + QRect currentImageRect() const override; + int imageCount() const override; + QByteArray name() const override; + bool read(QImage *image) override; + QVariant option(ImageOption option) const override; + void setOption(ImageOption option, const QVariant & value) override; + bool supportsOption(ImageOption option) const override; + bool jumpToImage(int frame) override; + bool jumpToNextImage() override; + +private: + bool load(QIODevice *device); + +private: + QPdfDocument m_doc; + int m_page = -1; + + QRect m_clipRect; + QSize m_scaledSize; + QRect m_scaledClipRect; + QColor m_backColor = Qt::transparent; + bool m_loaded = false; +}; + +QT_END_NAMESPACE + +#endif // QPDFIOHANDLER_H diff --git a/src/plugins/plugins.pro b/src/plugins/plugins.pro index 6698a9736..71c24e6c2 100644 --- a/src/plugins/plugins.pro +++ b/src/plugins/plugins.pro @@ -1,2 +1,3 @@ TEMPLATE = subdirs -qtHaveModule(designer): SUBDIRS += qwebengineview +qtHaveModule(webengine-widgets): qtHaveModule(designer): SUBDIRS += qwebengineview +qtHaveModule(pdf): qtConfig(imageformatplugin): SUBDIRS += imageformats diff --git a/src/src.pro b/src/src.pro index de88878a6..a9c58390c 100644 --- a/src/src.pro +++ b/src/src.pro @@ -4,9 +4,11 @@ include($$QTWEBENGINE_OUT_ROOT/src/buildtools/qtbuildtools-config.pri) include($$QTWEBENGINE_OUT_ROOT/src/core/qtwebenginecore-config.pri) include($$QTWEBENGINE_OUT_ROOT/src/webengine/qtwebengine-config.pri) include($$QTWEBENGINE_OUT_ROOT/src/webenginewidgets/qtwebenginewidgets-config.pri) +include($$QTWEBENGINE_OUT_ROOT/src/pdf/qtpdf-config.pri) +include($$QTWEBENGINE_OUT_ROOT/src/pdfwidgets/qtpdfwidgets-config.pri) QT_FOR_CONFIG += buildtools-private webenginecore webenginecore-private webengine-private \ - webenginewidgets-private + webenginewidgets-private pdf-private pdfwidgets-private TEMPLATE = subdirs @@ -38,7 +40,16 @@ qtConfig(build-qtwebengine-core):qtConfig(webengine-core-support) { } } -!qtConfig(webengine-core-support): qtConfig(build-qtwebengine-core) { +qtConfig(build-qtpdf):qtConfig(webengine-qtpdf-support) { + pdf.depends = buildtools + SUBDIRS += buildtools pdf plugins + qtConfig(pdf-widgets) { + pdfwidgets.depends = pdf + SUBDIRS += pdfwidgets + } +} + +!qtConfig(webengine-core-support):if(qtConfig(build-qtwebengine-core)|qtConfig(build-qtpdf)) { !qtwebengine_makeCheckError():!isEmpty(skipBuildReason):!build_pass { errorbuild.commands = @echo Modules will not be built. $${skipBuildReason} errorbuild.CONFIG = phony |