qpaintdevice.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
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 The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/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 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qpaintdevice.h"-
41-
42QT_BEGIN_NAMESPACE-
43-
44QPaintDevice::QPaintDevice() Q_DECL_NOEXCEPT-
45{-
46 reserved = 0;-
47 painters = 0;-
48}
never executed: end of block
0
49-
50QPaintDevice::~QPaintDevice()-
51{-
52 if (paintingActive())
paintingActive()Description
TRUEnever evaluated
FALSEnever evaluated
0
53 qWarning("QPaintDevice: Cannot destroy paint device that is being "
never executed: QMessageLogger(__FILE__, 53, __PRETTY_FUNCTION__).warning("QPaintDevice: Cannot destroy paint device that is being " "painted");
0
54 "painted");
never executed: QMessageLogger(__FILE__, 53, __PRETTY_FUNCTION__).warning("QPaintDevice: Cannot destroy paint device that is being " "painted");
0
55}
never executed: end of block
0
56-
57-
58/*!-
59 \internal-
60*/-
61void QPaintDevice::initPainter(QPainter *) const-
62{-
63}-
64-
65/*!-
66 \internal-
67*/-
68QPaintDevice *QPaintDevice::redirected(QPoint *) const-
69{-
70 return 0;
never executed: return 0;
0
71}-
72-
73/*!-
74 \internal-
75*/-
76QPainter *QPaintDevice::sharedPainter() const-
77{-
78 return 0;
never executed: return 0;
0
79}-
80-
81Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, QPaintDevice::PaintDeviceMetric metric)-
82{-
83 return device->metric(metric);
never executed: return device->metric(metric);
0
84}-
85-
86int QPaintDevice::metric(PaintDeviceMetric m) const-
87{-
88 // Fallback: A subclass has not implemented PdmDevicePixelRatioScaled but might-
89 // have implemented PdmDevicePixelRatio.-
90 if (m == PdmDevicePixelRatioScaled)
m == PdmDevicePixelRatioScaledDescription
TRUEnever evaluated
FALSEnever evaluated
0
91 return this->metric(PdmDevicePixelRatio) * devicePixelRatioFScale();
never executed: return this->metric(PdmDevicePixelRatio) * devicePixelRatioFScale();
0
92-
93 qWarning("QPaintDevice::metrics: Device has no metric information");-
94-
95 if (m == PdmDpiX) {
m == PdmDpiXDescription
TRUEnever evaluated
FALSEnever evaluated
0
96 return 72;
never executed: return 72;
0
97 } else if (m == PdmDpiY) {
m == PdmDpiYDescription
TRUEnever evaluated
FALSEnever evaluated
0
98 return 72;
never executed: return 72;
0
99 } else if (m == PdmNumColors) {
m == PdmNumColorsDescription
TRUEnever evaluated
FALSEnever evaluated
0
100 // FIXME: does this need to be a real value?-
101 return 256;
never executed: return 256;
0
102 } else if (m == PdmDevicePixelRatio) {
m == PdmDevicePixelRatioDescription
TRUEnever evaluated
FALSEnever evaluated
0
103 return 1;
never executed: return 1;
0
104 } else {-
105 qDebug("Unrecognised metric %d!",m);-
106 return 0;
never executed: return 0;
0
107 }-
108}-
109-
110QT_END_NAMESPACE-
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