kernel/qpaintengine_preview.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 -
12** Software or, alternatively, in accordance with the terms contained in -
13** a written agreement between you and Digia. For licensing terms and -
14** conditions see http://qt.digia.com/licensing. For further information -
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#include <private/qpaintengine_preview_p.h> -
43#include <private/qpainter_p.h> -
44#include <private/qpaintengine_p.h> -
45#include <private/qpicture_p.h> -
46 -
47#include <QtPrintSupport/qprintengine.h> -
48#include <QtGui/qpainter.h> -
49#include <QtGui/qpicture.h> -
50 -
51#ifndef QT_NO_PRINTPREVIEWWIDGET -
52QT_BEGIN_NAMESPACE -
53 -
54class QPreviewPaintEnginePrivate : public QPaintEnginePrivate -
55{ -
56 Q_DECLARE_PUBLIC(QPreviewPaintEngine) -
57public: -
58 QPreviewPaintEnginePrivate() : state(QPrinter::Idle) {}
never executed: }
0
59 ~QPreviewPaintEnginePrivate() {} -
60 -
61 QList<const QPicture *> pages; -
62 QPaintEngine *engine; -
63 QPainter *painter; -
64 QPrinter::PrinterState state; -
65 -
66 QPaintEngine *proxy_paint_engine; -
67 QPrintEngine *proxy_print_engine; -
68}; -
69 -
70 -
71QPreviewPaintEngine::QPreviewPaintEngine() -
72 : QPaintEngine(*(new QPreviewPaintEnginePrivate), PaintEngineFeatures(AllFeatures & ~ObjectBoundingModeGradients)) -
73{ -
74 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
75 d->proxy_print_engine = 0;
never executed (the execution status of this line is deduced): d->proxy_print_engine = 0;
-
76 d->proxy_paint_engine = 0;
never executed (the execution status of this line is deduced): d->proxy_paint_engine = 0;
-
77}
never executed: }
0
78 -
79QPreviewPaintEngine::~QPreviewPaintEngine() -
80{ -
81 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
82 -
83 qDeleteAll(d->pages);
never executed (the execution status of this line is deduced): qDeleteAll(d->pages);
-
84}
never executed: }
0
85 -
86bool QPreviewPaintEngine::begin(QPaintDevice *) -
87{ -
88 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
89 -
90 qDeleteAll(d->pages);
never executed (the execution status of this line is deduced): qDeleteAll(d->pages);
-
91 d->pages.clear();
never executed (the execution status of this line is deduced): d->pages.clear();
-
92 -
93 QPicture *page = new QPicture;
never executed (the execution status of this line is deduced): QPicture *page = new QPicture;
-
94 page->d_func()->in_memory_only = true;
never executed (the execution status of this line is deduced): page->d_func()->in_memory_only = true;
-
95 d->painter = new QPainter(page);
never executed (the execution status of this line is deduced): d->painter = new QPainter(page);
-
96 d->engine = d->painter->paintEngine();
never executed (the execution status of this line is deduced): d->engine = d->painter->paintEngine();
-
97 d->pages.append(page);
never executed (the execution status of this line is deduced): d->pages.append(page);
-
98 d->state = QPrinter::Active;
never executed (the execution status of this line is deduced): d->state = QPrinter::Active;
-
99 return true;
never executed: return true;
0
100} -
101 -
102bool QPreviewPaintEngine::end() -
103{ -
104 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
105 -
106 delete d->painter;
never executed (the execution status of this line is deduced): delete d->painter;
-
107 d->painter = 0;
never executed (the execution status of this line is deduced): d->painter = 0;
-
108 d->engine = 0;
never executed (the execution status of this line is deduced): d->engine = 0;
-
109 d->state = QPrinter::Idle;
never executed (the execution status of this line is deduced): d->state = QPrinter::Idle;
-
110 return true;
never executed: return true;
0
111} -
112 -
113void QPreviewPaintEngine::updateState(const QPaintEngineState &state) -
114{ -
115 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
116 d->engine->updateState(state);
never executed (the execution status of this line is deduced): d->engine->updateState(state);
-
117}
never executed: }
0
118 -
119void QPreviewPaintEngine::drawPath(const QPainterPath &path) -
120{ -
121 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
122 d->engine->drawPath(path);
never executed (the execution status of this line is deduced): d->engine->drawPath(path);
-
123}
never executed: }
0
124 -
125void QPreviewPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) -
126{ -
127 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
128 d->engine->drawPolygon(points, pointCount, mode);
never executed (the execution status of this line is deduced): d->engine->drawPolygon(points, pointCount, mode);
-
129}
never executed: }
0
130 -
131void QPreviewPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem) -
132{ -
133 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
134 d->engine->drawTextItem(p, textItem);
never executed (the execution status of this line is deduced): d->engine->drawTextItem(p, textItem);
-
135}
never executed: }
0
136 -
137void QPreviewPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) -
138{ -
139 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
140 d->engine->drawPixmap(r, pm, sr);
never executed (the execution status of this line is deduced): d->engine->drawPixmap(r, pm, sr);
-
141}
never executed: }
0
142 -
143void QPreviewPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &p) -
144{ -
145 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
146 d->engine->drawTiledPixmap(r, pm, p);
never executed (the execution status of this line is deduced): d->engine->drawTiledPixmap(r, pm, p);
-
147}
never executed: }
0
148 -
149bool QPreviewPaintEngine::newPage() -
150{ -
151 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
152 -
153 QPicture *page = new QPicture;
never executed (the execution status of this line is deduced): QPicture *page = new QPicture;
-
154 page->d_func()->in_memory_only = true;
never executed (the execution status of this line is deduced): page->d_func()->in_memory_only = true;
-
155 QPainter *tmp_painter = new QPainter(page);
never executed (the execution status of this line is deduced): QPainter *tmp_painter = new QPainter(page);
-
156 QPaintEngine *tmp_engine = tmp_painter->paintEngine();
never executed (the execution status of this line is deduced): QPaintEngine *tmp_engine = tmp_painter->paintEngine();
-
157 -
158 // copy the painter state from the original painter -
159 Q_ASSERT(painter()->d_func()->state && tmp_painter->d_func()->state);
never executed (the execution status of this line is deduced): qt_noop();
-
160 *tmp_painter->d_func()->state = *painter()->d_func()->state;
never executed (the execution status of this line is deduced): *tmp_painter->d_func()->state = *painter()->d_func()->state;
-
161 -
162 // composition modes aren't supported on a QPrinter and yields a -
163 // warning, so ignore it for now -
164 tmp_engine->setDirty(DirtyFlags(AllDirty & ~DirtyCompositionMode));
never executed (the execution status of this line is deduced): tmp_engine->setDirty(DirtyFlags(AllDirty & ~DirtyCompositionMode));
-
165 tmp_engine->syncState();
never executed (the execution status of this line is deduced): tmp_engine->syncState();
-
166 -
167 delete d->painter;
never executed (the execution status of this line is deduced): delete d->painter;
-
168 d->painter = tmp_painter;
never executed (the execution status of this line is deduced): d->painter = tmp_painter;
-
169 d->pages.append(page);
never executed (the execution status of this line is deduced): d->pages.append(page);
-
170 d->engine = tmp_engine;
never executed (the execution status of this line is deduced): d->engine = tmp_engine;
-
171 return true;
never executed: return true;
0
172} -
173 -
174bool QPreviewPaintEngine::abort() -
175{ -
176 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
177 end();
never executed (the execution status of this line is deduced): end();
-
178 qDeleteAll(d->pages);
never executed (the execution status of this line is deduced): qDeleteAll(d->pages);
-
179 d->state = QPrinter::Aborted;
never executed (the execution status of this line is deduced): d->state = QPrinter::Aborted;
-
180 -
181 return true;
never executed: return true;
0
182} -
183 -
184QList<const QPicture *> QPreviewPaintEngine::pages() -
185{ -
186 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
187 return d->pages;
never executed: return d->pages;
0
188} -
189 -
190void QPreviewPaintEngine::setProxyEngines(QPrintEngine *printEngine, QPaintEngine *paintEngine) -
191{ -
192 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
193 d->proxy_print_engine = printEngine;
never executed (the execution status of this line is deduced): d->proxy_print_engine = printEngine;
-
194 d->proxy_paint_engine = paintEngine;
never executed (the execution status of this line is deduced): d->proxy_paint_engine = paintEngine;
-
195}
never executed: }
0
196 -
197void QPreviewPaintEngine::setProperty(PrintEnginePropertyKey key, const QVariant &value) -
198{ -
199 Q_D(QPreviewPaintEngine);
never executed (the execution status of this line is deduced): QPreviewPaintEnginePrivate * const d = d_func();
-
200 d->proxy_print_engine->setProperty(key, value);
never executed (the execution status of this line is deduced): d->proxy_print_engine->setProperty(key, value);
-
201}
never executed: }
0
202 -
203QVariant QPreviewPaintEngine::property(PrintEnginePropertyKey key) const -
204{ -
205 Q_D(const QPreviewPaintEngine);
never executed (the execution status of this line is deduced): const QPreviewPaintEnginePrivate * const d = d_func();
-
206 return d->proxy_print_engine->property(key);
never executed: return d->proxy_print_engine->property(key);
0
207} -
208 -
209int QPreviewPaintEngine::metric(QPaintDevice::PaintDeviceMetric id) const -
210{ -
211 Q_D(const QPreviewPaintEngine);
never executed (the execution status of this line is deduced): const QPreviewPaintEnginePrivate * const d = d_func();
-
212 return d->proxy_print_engine->metric(id);
never executed: return d->proxy_print_engine->metric(id);
0
213} -
214 -
215QPrinter::PrinterState QPreviewPaintEngine::printerState() const -
216{ -
217 Q_D(const QPreviewPaintEngine);
never executed (the execution status of this line is deduced): const QPreviewPaintEnginePrivate * const d = d_func();
-
218 return d->state;
never executed: return d->state;
0
219} -
220 -
221QT_END_NAMESPACE -
222 -
223#endif -
224 -
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