text/qtextimagehandler.cpp

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1/**************************************************************************** -
2** -
3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
4** Contact: http://www.qt-project.org/legal -
5** -
6** This file is part of the QtGui module of the Qt Toolkit. -
7** -
8** $QT_BEGIN_LICENSE:LGPL$ -
9** Commercial License Usage -
10** Licensees holding valid commercial Qt licenses may use this file in -
11** accordance with the commercial license agreement provided with the -
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15** use the contact form at http://qt.digia.com/contact-us. -
16** -
17** GNU Lesser General Public License Usage -
18** Alternatively, this file may be used under the terms of the GNU Lesser -
19** General Public License version 2.1 as published by the Free Software -
20** Foundation and appearing in the file LICENSE.LGPL included in the -
21** packaging of this file. Please review the following information to -
22** ensure the GNU Lesser General Public License version 2.1 requirements -
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -
24** -
25** In addition, as a special exception, Digia gives you certain additional -
26** rights. These rights are described in the Digia Qt LGPL Exception -
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -
28** -
29** GNU General Public License Usage -
30** Alternatively, this file may be used under the terms of the GNU -
31** General Public License version 3.0 as published by the Free Software -
32** Foundation and appearing in the file LICENSE.GPL included in the -
33** packaging of this file. Please review the following information to -
34** ensure the GNU General Public License version 3.0 requirements will be -
35** met: http://www.gnu.org/copyleft/gpl.html. -
36** -
37** -
38** $QT_END_LICENSE$ -
39** -
40****************************************************************************/ -
41 -
42 -
43#include "qtextimagehandler_p.h" -
44 -
45#include <qcoreapplication.h> -
46#include <qtextformat.h> -
47#include <qpainter.h> -
48#include <qdebug.h> -
49#include <private/qtextengine_p.h> -
50#include <qpalette.h> -
51#include <qthread.h> -
52 -
53QT_BEGIN_NAMESPACE -
54 -
55static QPixmap getPixmap(QTextDocument *doc, const QTextImageFormat &format) -
56{ -
57 QPixmap pm;
executed (the execution status of this line is deduced): QPixmap pm;
-
58 -
59 QString name = format.name();
executed (the execution status of this line is deduced): QString name = format.name();
-
60 if (name.startsWith(QLatin1String(":/"))) // auto-detect resources
evaluated: name.startsWith(QLatin1String(":/"))
TRUEFALSE
yes
Evaluation Count:3
yes
Evaluation Count:10
3-10
61 name.prepend(QLatin1String("qrc"));
executed: name.prepend(QLatin1String("qrc"));
Execution Count:3
3
62 QUrl url = QUrl(name);
executed (the execution status of this line is deduced): QUrl url = QUrl(name);
-
63 const QVariant data = doc->resource(QTextDocument::ImageResource, url);
executed (the execution status of this line is deduced): const QVariant data = doc->resource(QTextDocument::ImageResource, url);
-
64 if (data.type() == QVariant::Pixmap || data.type() == QVariant::Image) {
partially evaluated: data.type() == QVariant::Pixmap
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:13
evaluated: data.type() == QVariant::Image
TRUEFALSE
yes
Evaluation Count:6
yes
Evaluation Count:7
0-13
65 pm = qvariant_cast<QPixmap>(data);
executed (the execution status of this line is deduced): pm = qvariant_cast<QPixmap>(data);
-
66 } else if (data.type() == QVariant::ByteArray) {
executed: }
Execution Count:6
partially evaluated: data.type() == QVariant::ByteArray
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:7
0-7
67 pm.loadFromData(data.toByteArray());
never executed (the execution status of this line is deduced): pm.loadFromData(data.toByteArray());
-
68 }
never executed: }
0
69 -
70 if (pm.isNull()) {
evaluated: pm.isNull()
TRUEFALSE
yes
Evaluation Count:7
yes
Evaluation Count:6
6-7
71 QString context;
executed (the execution status of this line is deduced): QString context;
-
72#if 0 -
73 // ### Qt5 -
74 QTextBrowser *browser = qobject_cast<QTextBrowser *>(doc->parent()); -
75 if (browser) -
76 context = browser->source().toString(); -
77#endif -
78 QImage img;
executed (the execution status of this line is deduced): QImage img;
-
79 if (img.isNull()) { // try direct loading
partially evaluated: img.isNull()
TRUEFALSE
yes
Evaluation Count:7
no
Evaluation Count:0
0-7
80 name = format.name(); // remove qrc:/ prefix again
executed (the execution status of this line is deduced): name = format.name();
-
81 if (name.isEmpty() || !img.load(name))
evaluated: name.isEmpty()
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:6
partially evaluated: !img.load(name)
TRUEFALSE
yes
Evaluation Count:6
no
Evaluation Count:0
0-6
82 return QPixmap(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
executed: return QPixmap(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
Execution Count:7
7
83 }
never executed: }
0
84 pm = QPixmap::fromImage(img);
never executed (the execution status of this line is deduced): pm = QPixmap::fromImage(img);
-
85 doc->addResource(QTextDocument::ImageResource, url, pm);
never executed (the execution status of this line is deduced): doc->addResource(QTextDocument::ImageResource, url, pm);
-
86 }
never executed: }
0
87 -
88 return pm;
executed: return pm;
Execution Count:6
6
89} -
90 -
91static QSize getPixmapSize(QTextDocument *doc, const QTextImageFormat &format) -
92{ -
93 QPixmap pm;
executed (the execution status of this line is deduced): QPixmap pm;
-
94 -
95 const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
executed (the execution status of this line is deduced): const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
-
96 const int width = qRound(format.width());
executed (the execution status of this line is deduced): const int width = qRound(format.width());
-
97 const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
executed (the execution status of this line is deduced): const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
-
98 const int height = qRound(format.height());
executed (the execution status of this line is deduced): const int height = qRound(format.height());
-
99 -
100 QSize size(width, height);
executed (the execution status of this line is deduced): QSize size(width, height);
-
101 if (!hasWidth || !hasHeight) {
evaluated: !hasWidth
TRUEFALSE
yes
Evaluation Count:11
yes
Evaluation Count:5
partially evaluated: !hasHeight
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:5
0-11
102 pm = getPixmap(doc, format);
executed (the execution status of this line is deduced): pm = getPixmap(doc, format);
-
103 if (!hasWidth) {
partially evaluated: !hasWidth
TRUEFALSE
yes
Evaluation Count:11
no
Evaluation Count:0
0-11
104 if (!hasHeight)
partially evaluated: !hasHeight
TRUEFALSE
yes
Evaluation Count:11
no
Evaluation Count:0
0-11
105 size.setWidth(pm.width());
executed: size.setWidth(pm.width());
Execution Count:11
11
106 else -
107 size.setWidth(qRound(height * (pm.width() / (qreal) pm.height())));
never executed: size.setWidth(qRound(height * (pm.width() / (qreal) pm.height())));
0
108 } -
109 if (!hasHeight) {
partially evaluated: !hasHeight
TRUEFALSE
yes
Evaluation Count:11
no
Evaluation Count:0
0-11
110 if (!hasWidth)
partially evaluated: !hasWidth
TRUEFALSE
yes
Evaluation Count:11
no
Evaluation Count:0
0-11
111 size.setHeight(pm.height());
executed: size.setHeight(pm.height());
Execution Count:11
11
112 else -
113 size.setHeight(qRound(width * (pm.height() / (qreal) pm.width())));
never executed: size.setHeight(qRound(width * (pm.height() / (qreal) pm.width())));
0
114 } -
115 }
executed: }
Execution Count:11
11
116 -
117 qreal scale = 1.0;
executed (the execution status of this line is deduced): qreal scale = 1.0;
-
118 QPaintDevice *pdev = doc->documentLayout()->paintDevice();
executed (the execution status of this line is deduced): QPaintDevice *pdev = doc->documentLayout()->paintDevice();
-
119 if (pdev) {
evaluated: pdev
TRUEFALSE
yes
Evaluation Count:6
yes
Evaluation Count:10
6-10
120 if (pm.isNull())
partially evaluated: pm.isNull()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:6
0-6
121 pm = getPixmap(doc, format);
never executed: pm = getPixmap(doc, format);
0
122 if (!pm.isNull())
partially evaluated: !pm.isNull()
TRUEFALSE
yes
Evaluation Count:6
no
Evaluation Count:0
0-6
123 scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
executed: scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
Execution Count:6
6
124 }
executed: }
Execution Count:6
6
125 size *= scale;
executed (the execution status of this line is deduced): size *= scale;
-
126 -
127 return size;
executed: return size;
Execution Count:16
16
128} -
129 -
130static QImage getImage(QTextDocument *doc, const QTextImageFormat &format) -
131{ -
132 QImage image;
never executed (the execution status of this line is deduced): QImage image;
-
133 -
134 QString name = format.name();
never executed (the execution status of this line is deduced): QString name = format.name();
-
135 if (name.startsWith(QLatin1String(":/"))) // auto-detect resources
never evaluated: name.startsWith(QLatin1String(":/"))
0
136 name.prepend(QLatin1String("qrc"));
never executed: name.prepend(QLatin1String("qrc"));
0
137 QUrl url = QUrl(name);
never executed (the execution status of this line is deduced): QUrl url = QUrl(name);
-
138 const QVariant data = doc->resource(QTextDocument::ImageResource, url);
never executed (the execution status of this line is deduced): const QVariant data = doc->resource(QTextDocument::ImageResource, url);
-
139 if (data.type() == QVariant::Image) {
never evaluated: data.type() == QVariant::Image
0
140 image = qvariant_cast<QImage>(data);
never executed (the execution status of this line is deduced): image = qvariant_cast<QImage>(data);
-
141 } else if (data.type() == QVariant::ByteArray) {
never executed: }
never evaluated: data.type() == QVariant::ByteArray
0
142 image.loadFromData(data.toByteArray());
never executed (the execution status of this line is deduced): image.loadFromData(data.toByteArray());
-
143 }
never executed: }
0
144 -
145 if (image.isNull()) {
never evaluated: image.isNull()
0
146 QString context;
never executed (the execution status of this line is deduced): QString context;
-
147 -
148#if 0 -
149 // ### Qt5 -
150 QTextBrowser *browser = qobject_cast<QTextBrowser *>(doc->parent()); -
151 if (browser) -
152 context = browser->source().toString(); -
153#endif -
154 if (image.isNull()) { // try direct loading
never evaluated: image.isNull()
0
155 name = format.name(); // remove qrc:/ prefix again
never executed (the execution status of this line is deduced): name = format.name();
-
156 if (name.isEmpty() || !image.load(name))
never evaluated: name.isEmpty()
never evaluated: !image.load(name)
0
157 return QImage(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
never executed: return QImage(QLatin1String(":/qt-project.org/styles/commonstyle/images/file-16.png"));
0
158 }
never executed: }
0
159 doc->addResource(QTextDocument::ImageResource, url, image);
never executed (the execution status of this line is deduced): doc->addResource(QTextDocument::ImageResource, url, image);
-
160 }
never executed: }
0
161 -
162 return image;
never executed: return image;
0
163} -
164 -
165static QSize getImageSize(QTextDocument *doc, const QTextImageFormat &format) -
166{ -
167 QImage image;
never executed (the execution status of this line is deduced): QImage image;
-
168 -
169 const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
never executed (the execution status of this line is deduced): const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
-
170 const int width = qRound(format.width());
never executed (the execution status of this line is deduced): const int width = qRound(format.width());
-
171 const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
never executed (the execution status of this line is deduced): const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
-
172 const int height = qRound(format.height());
never executed (the execution status of this line is deduced): const int height = qRound(format.height());
-
173 -
174 QSize size(width, height);
never executed (the execution status of this line is deduced): QSize size(width, height);
-
175 if (!hasWidth || !hasHeight) {
never evaluated: !hasWidth
never evaluated: !hasHeight
0
176 image = getImage(doc, format);
never executed (the execution status of this line is deduced): image = getImage(doc, format);
-
177 if (!hasWidth)
never evaluated: !hasWidth
0
178 size.setWidth(image.width());
never executed: size.setWidth(image.width());
0
179 if (!hasHeight)
never evaluated: !hasHeight
0
180 size.setHeight(image.height());
never executed: size.setHeight(image.height());
0
181 }
never executed: }
0
182 -
183 qreal scale = 1.0;
never executed (the execution status of this line is deduced): qreal scale = 1.0;
-
184 QPaintDevice *pdev = doc->documentLayout()->paintDevice();
never executed (the execution status of this line is deduced): QPaintDevice *pdev = doc->documentLayout()->paintDevice();
-
185 if (pdev) {
never evaluated: pdev
0
186 if (image.isNull())
never evaluated: image.isNull()
0
187 image = getImage(doc, format);
never executed: image = getImage(doc, format);
0
188 if (!image.isNull())
never evaluated: !image.isNull()
0
189 scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
never executed: scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
0
190 }
never executed: }
0
191 size *= scale;
never executed (the execution status of this line is deduced): size *= scale;
-
192 -
193 return size;
never executed: return size;
0
194} -
195 -
196QTextImageHandler::QTextImageHandler(QObject *parent) -
197 : QObject(parent) -
198{ -
199}
executed: }
Execution Count:314
314
200 -
201QSizeF QTextImageHandler::intrinsicSize(QTextDocument *doc, int posInDocument, const QTextFormat &format) -
202{ -
203 Q_UNUSED(posInDocument)
executed (the execution status of this line is deduced): (void)posInDocument;
-
204 const QTextImageFormat imageFormat = format.toImageFormat();
executed (the execution status of this line is deduced): const QTextImageFormat imageFormat = format.toImageFormat();
-
205 -
206 if (QCoreApplication::instance()->thread() != QThread::currentThread())
partially evaluated: QCoreApplication::instance()->thread() != QThread::currentThread()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:16
0-16
207 return getImageSize(doc, imageFormat);
never executed: return getImageSize(doc, imageFormat);
0
208 return getPixmapSize(doc, imageFormat);
executed: return getPixmapSize(doc, imageFormat);
Execution Count:16
16
209} -
210 -
211QImage QTextImageHandler::image(QTextDocument *doc, const QTextImageFormat &imageFormat) -
212{ -
213 Q_ASSERT(doc != 0);
never executed (the execution status of this line is deduced): qt_noop();
-
214 -
215 return getImage(doc, imageFormat);
never executed: return getImage(doc, imageFormat);
0
216} -
217 -
218void QTextImageHandler::drawObject(QPainter *p, const QRectF &rect, QTextDocument *doc, int posInDocument, const QTextFormat &format) -
219{ -
220 Q_UNUSED(posInDocument)
executed (the execution status of this line is deduced): (void)posInDocument;
-
221 const QTextImageFormat imageFormat = format.toImageFormat();
executed (the execution status of this line is deduced): const QTextImageFormat imageFormat = format.toImageFormat();
-
222 -
223 if (QCoreApplication::instance()->thread() != QThread::currentThread()) {
partially evaluated: QCoreApplication::instance()->thread() != QThread::currentThread()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
0-2
224 const QImage image = getImage(doc, imageFormat);
never executed (the execution status of this line is deduced): const QImage image = getImage(doc, imageFormat);
-
225 p->drawImage(rect, image, image.rect());
never executed (the execution status of this line is deduced): p->drawImage(rect, image, image.rect());
-
226 } else {
never executed: }
0
227 const QPixmap pixmap = getPixmap(doc, imageFormat);
executed (the execution status of this line is deduced): const QPixmap pixmap = getPixmap(doc, imageFormat);
-
228 p->drawPixmap(rect, pixmap, pixmap.rect());
executed (the execution status of this line is deduced): p->drawPixmap(rect, pixmap, pixmap.rect());
-
229 }
executed: }
Execution Count:2
2
230} -
231 -
232QT_END_NAMESPACE -
233 -
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