diff options
Diffstat (limited to 'src/core/printing/pdfium_document_wrapper_qt.cpp')
| -rw-r--r-- | src/core/printing/pdfium_document_wrapper_qt.cpp | 129 |
1 files changed, 24 insertions, 105 deletions
diff --git a/src/core/printing/pdfium_document_wrapper_qt.cpp b/src/core/printing/pdfium_document_wrapper_qt.cpp index 6f415b50b..56588620d 100644 --- a/src/core/printing/pdfium_document_wrapper_qt.cpp +++ b/src/core/printing/pdfium_document_wrapper_qt.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWebEngine module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 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.LGPL3 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-3.0.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 (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "pdfium_document_wrapper_qt.h" #include <QtCore/qhash.h> @@ -48,64 +12,6 @@ namespace QtWebEngineCore { int PdfiumDocumentWrapperQt::m_libraryUsers = 0; -class PdfiumPageWrapperQt { -public: - PdfiumPageWrapperQt(FPDF_DOCUMENT data, int pageIndex) - : m_pageData(FPDF_LoadPage(data, pageIndex)) - , m_width(FPDF_GetPageWidth(m_pageData)) - , m_height(FPDF_GetPageHeight(m_pageData)) - , m_image(createImage()) - { - } - - PdfiumPageWrapperQt() - : m_pageData(nullptr) - , m_width(-1) - , m_height(-1) - , m_image(QImage()) - { - } - - virtual ~PdfiumPageWrapperQt() - { - FPDF_ClosePage(m_pageData); - } - - QImage image() - { - return m_image; - } - -private: - QImage createImage() - { - Q_ASSERT(m_pageData); - - QImage image(m_width * 2, m_height * 2, QImage::Format_ARGB32); - Q_ASSERT(!image.isNull()); - image.fill(0xFFFFFFFF); - - FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(image.width(), image.height(), - FPDFBitmap_BGRA, - image.scanLine(0), image.bytesPerLine()); - Q_ASSERT(bitmap); - - FPDF_RenderPageBitmap(bitmap, m_pageData, - 0, 0, image.width(), image.height(), - 0, 0); - FPDFBitmap_Destroy(bitmap); - bitmap = nullptr; - return image; - } - -private: - FPDF_PAGE m_pageData; - int m_width; - int m_height; - QImage m_image; -}; - - PdfiumDocumentWrapperQt::PdfiumDocumentWrapperQt(const void *pdfData, size_t size, const char *password) { @@ -118,27 +24,41 @@ PdfiumDocumentWrapperQt::PdfiumDocumentWrapperQt(const void *pdfData, size_t siz m_pageCount = FPDF_GetPageCount((FPDF_DOCUMENT)m_documentHandle); } -QImage PdfiumDocumentWrapperQt::pageAsQImage(size_t index) +QImage PdfiumDocumentWrapperQt::pageAsQImage(size_t pageIndex,int width , int height) { if (!m_documentHandle || !m_pageCount) { qWarning("Failure to generate QImage from invalid or empty PDF document."); return QImage(); } - if (static_cast<int>(index) >= m_pageCount) { + if (static_cast<int>(pageIndex) >= m_pageCount) { qWarning("Failure to generate QImage from PDF data: index out of bounds."); return QImage(); } - PdfiumPageWrapperQt pageWrapper((FPDF_DOCUMENT)m_documentHandle, index); - return pageWrapper.image(); + FPDF_PAGE pageData(FPDF_LoadPage((FPDF_DOCUMENT)m_documentHandle, pageIndex)); + QImage image(width, height, QImage::Format_ARGB32); + Q_ASSERT(!image.isNull()); + image.fill(0xFFFFFFFF); + + FPDF_BITMAP bitmap = FPDFBitmap_CreateEx(width, height, + FPDFBitmap_BGRA, + image.scanLine(0), image.bytesPerLine()); + Q_ASSERT(bitmap); + FPDF_RenderPageBitmap(bitmap, pageData, + 0, 0, width, height, + 0, 0); + FPDFBitmap_Destroy(bitmap); + bitmap = nullptr; + FPDF_ClosePage(pageData); + return image; } -bool PdfiumDocumentWrapperQt::pageIsLandscape(size_t index) +QSizeF PdfiumDocumentWrapperQt::pageSize(size_t index) { - double width = 0, height = 0; - FPDF_GetPageSizeByIndex((FPDF_DOCUMENT)m_documentHandle, index, &width, &height); - return (width > height); + QSizeF size; + FPDF_GetPageSizeByIndex((FPDF_DOCUMENT)m_documentHandle, index, &size.rwidth(), &size.rheight()); + return size; } PdfiumDocumentWrapperQt::~PdfiumDocumentWrapperQt() @@ -147,5 +67,4 @@ PdfiumDocumentWrapperQt::~PdfiumDocumentWrapperQt() if (--m_libraryUsers == 0) FPDF_DestroyLibrary(); } - } |