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-rw-r--r--src/gui/text/qtextimagehandler.cpp198
1 files changed, 59 insertions, 139 deletions
diff --git a/src/gui/text/qtextimagehandler.cpp b/src/gui/text/qtextimagehandler.cpp
index 2872366208..5c56c30711 100644
--- a/src/gui/text/qtextimagehandler.cpp
+++ b/src/gui/text/qtextimagehandler.cpp
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui 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) 2016 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 "qtextimagehandler_p.h"
@@ -51,142 +15,96 @@
QT_BEGIN_NAMESPACE
-extern QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio,
- qreal *sourceDevicePixelRatio);
+using namespace Qt::StringLiterals;
+
+static inline QString findAtNxFileOrResource(const QString &baseFileName,
+ qreal targetDevicePixelRatio,
+ qreal *sourceDevicePixelRatio)
+{
+ // qt_findAtNxFile expects a file name that can be tested with QFile::exists.
+ // so if the format.name() is a file:/ or qrc:/ URL, then we need to strip away the schema.
+ QString localFile;
+ const QUrl url(baseFileName);
+ if (url.isLocalFile())
+ localFile = url.toLocalFile();
+ else if (baseFileName.startsWith("qrc:/"_L1))
+ localFile = baseFileName.sliced(3);
+ else
+ localFile = baseFileName;
+ extern QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio,
+ qreal *sourceDevicePixelRatio);
+ return qt_findAtNxFile(localFile, targetDevicePixelRatio, sourceDevicePixelRatio);
+}
static inline QUrl fromLocalfileOrResources(QString path)
{
- if (path.startsWith(QLatin1String(":/"))) // auto-detect resources and convert them to url
- path.prepend(QLatin1String("qrc"));
+ if (path.startsWith(":/"_L1)) // auto-detect resources and convert them to url
+ path = path.prepend("qrc"_L1);
return QUrl(path);
}
-static QPixmap getPixmap(QTextDocument *doc, const QTextImageFormat &format, const qreal devicePixelRatio = 1.0)
+template<typename T>
+static T getAs(QTextDocument *doc, const QTextImageFormat &format, const qreal devicePixelRatio = 1.0)
{
qreal sourcePixelRatio = 1.0;
- const QString name = qt_findAtNxFile(format.name(), devicePixelRatio, &sourcePixelRatio);
+ const QString name = findAtNxFileOrResource(format.name(), devicePixelRatio, &sourcePixelRatio);
const QUrl url = fromLocalfileOrResources(name);
- QPixmap pm;
const QVariant data = doc->resource(QTextDocument::ImageResource, url);
- if (data.userType() == QMetaType::QPixmap || data.userType() == QMetaType::QImage) {
- pm = qvariant_cast<QPixmap>(data);
- } else if (data.userType() == QMetaType::QByteArray) {
- pm.loadFromData(data.toByteArray());
- }
-
- if (pm.isNull()) {
- QImage img;
- if (name.isEmpty() || !img.load(name))
- return QPixmap(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
-
- pm = QPixmap::fromImage(img);
- doc->addResource(QTextDocument::ImageResource, url, pm);
+ T result;
+ if (data.userType() == QMetaType::QPixmap || data.userType() == QMetaType::QImage)
+ result = data.value<T>();
+ else if (data.metaType() == QMetaType::fromType<QByteArray>())
+ result.loadFromData(data.toByteArray());
+
+ if (result.isNull()) {
+ if (name.isEmpty() || !result.load(name))
+ return T(":/qt-project.org/styles/commonstyle/images/file-16.png"_L1);
+ doc->addResource(QTextDocument::ImageResource, url, result);
}
- if (name.contains(QLatin1String("@2x")))
- pm.setDevicePixelRatio(sourcePixelRatio);
-
- return pm;
+ if (sourcePixelRatio != 1.0)
+ result.setDevicePixelRatio(sourcePixelRatio);
+ return result;
}
-static QSize getPixmapSize(QTextDocument *doc, const QTextImageFormat &format)
+template<typename T>
+static QSize getSize(QTextDocument *doc, const QTextImageFormat &format)
{
- QPixmap pm;
-
const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
const int width = qRound(format.width());
const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
const int height = qRound(format.height());
+ T source;
QSize size(width, height);
if (!hasWidth || !hasHeight) {
- pm = getPixmap(doc, format);
- const QSizeF pmSize = pm.deviceIndependentSize();
+ source = getAs<T>(doc, format);
+ const QSizeF sourceSize = source.deviceIndependentSize();
if (!hasWidth) {
if (!hasHeight)
- size.setWidth(pmSize.width());
+ size.setWidth(sourceSize.width());
else
- size.setWidth(qRound(height * (pmSize.width() / (qreal) pmSize.height())));
+ size.setWidth(qRound(height * (sourceSize.width() / qreal(sourceSize.height()))));
}
if (!hasHeight) {
if (!hasWidth)
- size.setHeight(pmSize.height());
+ size.setHeight(sourceSize.height());
else
- size.setHeight(qRound(width * (pmSize.height() / (qreal) pmSize.width())));
+ size.setHeight(qRound(width * (sourceSize.height() / qreal(sourceSize.width()))));
}
}
qreal scale = 1.0;
QPaintDevice *pdev = doc->documentLayout()->paintDevice();
if (pdev) {
- if (pm.isNull())
- pm = getPixmap(doc, format);
- if (!pm.isNull())
- scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
- }
- size *= scale;
-
- return size;
-}
-
-static QImage getImage(QTextDocument *doc, const QTextImageFormat &format, const qreal devicePixelRatio = 1.0)
-{
- qreal sourcePixelRatio = 1.0;
- const QString name = qt_findAtNxFile(format.name(), devicePixelRatio, &sourcePixelRatio);
- const QUrl url = fromLocalfileOrResources(name);
-
- QImage image;
- const QVariant data = doc->resource(QTextDocument::ImageResource, url);
- if (data.userType() == QMetaType::QImage) {
- image = qvariant_cast<QImage>(data);
- } else if (data.userType() == QMetaType::QByteArray) {
- image.loadFromData(data.toByteArray());
- }
-
- if (image.isNull()) {
- if (name.isEmpty() || !image.load(name))
- return QImage(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
-
- doc->addResource(QTextDocument::ImageResource, url, image);
- }
-
- if (sourcePixelRatio != 1.0)
- image.setDevicePixelRatio(sourcePixelRatio);
-
- return image;
-}
-
-static QSize getImageSize(QTextDocument *doc, const QTextImageFormat &format)
-{
- QImage image;
-
- const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
- const int width = qRound(format.width());
- const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
- const int height = qRound(format.height());
-
- QSize size(width, height);
- if (!hasWidth || !hasHeight) {
- image = getImage(doc, format);
- QSizeF imageSize = image.deviceIndependentSize();
- if (!hasWidth)
- size.setWidth(imageSize.width());
- if (!hasHeight)
- size.setHeight(imageSize.height());
- }
-
- qreal scale = 1.0;
- QPaintDevice *pdev = doc->documentLayout()->paintDevice();
- if (pdev) {
- if (image.isNull())
- image = getImage(doc, format);
- if (!image.isNull())
+ if (source.isNull())
+ source = getAs<T>(doc, format);
+ if (!source.isNull())
scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
}
size *= scale;
-
return size;
}
@@ -201,15 +119,15 @@ QSizeF QTextImageHandler::intrinsicSize(QTextDocument *doc, int posInDocument, c
const QTextImageFormat imageFormat = format.toImageFormat();
if (QCoreApplication::instance()->thread() != QThread::currentThread())
- return getImageSize(doc, imageFormat);
- return getPixmapSize(doc, imageFormat);
+ return getSize<QImage>(doc, imageFormat);
+ return getSize<QPixmap>(doc, imageFormat);
}
QImage QTextImageHandler::image(QTextDocument *doc, const QTextImageFormat &imageFormat)
{
Q_ASSERT(doc != nullptr);
- return getImage(doc, imageFormat);
+ return getAs<QImage>(doc, imageFormat);
}
void QTextImageHandler::drawObject(QPainter *p, const QRectF &rect, QTextDocument *doc, int posInDocument, const QTextFormat &format)
@@ -218,12 +136,14 @@ void QTextImageHandler::drawObject(QPainter *p, const QRectF &rect, QTextDocumen
const QTextImageFormat imageFormat = format.toImageFormat();
if (QCoreApplication::instance()->thread() != QThread::currentThread()) {
- const QImage image = getImage(doc, imageFormat, p->device()->devicePixelRatio());
+ const QImage image = getAs<QImage>(doc, imageFormat, p->device()->devicePixelRatio());
p->drawImage(rect, image, image.rect());
} else {
- const QPixmap pixmap = getPixmap(doc, imageFormat, p->device()->devicePixelRatio());
+ const QPixmap pixmap = getAs<QPixmap>(doc, imageFormat, p->device()->devicePixelRatio());
p->drawPixmap(rect, pixmap, pixmap.rect());
}
}
QT_END_NAMESPACE
+
+#include "moc_qtextimagehandler_p.cpp"
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 03:50:37 +0000