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qquickcontext2dtile.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 QtQuick 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 "qquickcontext2dtile_p.h"-
41#if QT_CONFIG(opengl)-
42# include <QOpenGLFramebufferObject>-
43# include <QOpenGLFramebufferObjectFormat>-
44# include <QOpenGLPaintDevice>-
45#endif-
46-
47QT_BEGIN_NAMESPACE-
48-
49QQuickContext2DTile::QQuickContext2DTile()-
50 : m_dirty(true)-
51 , m_rect(QRect(0, 0, 1, 1))-
52 , m_device(nullptr)-
53{-
54}
never executed: end of block
0
55-
56QQuickContext2DTile::~QQuickContext2DTile()-
57{-
58 if (m_painter.isActive())
m_painter.isActive()Description
TRUEnever evaluated
FALSEnever evaluated
0
59 m_painter.end();
never executed: m_painter.end();
0
60}
never executed: end of block
0
61-
62QPainter* QQuickContext2DTile::createPainter(bool smooth, bool antialiasing)-
63{-
64 if (m_painter.isActive())
m_painter.isActive()Description
TRUEnever evaluated
FALSEnever evaluated
0
65 m_painter.end();
never executed: m_painter.end();
0
66-
67 aboutToDraw();-
68 if (m_device) {
m_deviceDescription
TRUEnever evaluated
FALSEnever evaluated
0
69 m_painter.begin(m_device);-
70 m_painter.resetTransform();-
71 m_painter.setCompositionMode(QPainter::CompositionMode_Source);-
72-
73#ifdef QQUICKCONTEXT2D_DEBUG-
74 int v = 100;-
75 int gray = (m_rect.x() / m_rect.width() + m_rect.y() / m_rect.height()) % 2;-
76 if (gray)-
77 v = 150;-
78 m_painter.fillRect(QRect(0, 0, m_rect.width(), m_rect.height()), QColor(v, v, v, 255));-
79#endif-
80-
81 if (antialiasing)
antialiasingDescription
TRUEnever evaluated
FALSEnever evaluated
0
82 m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, true);
never executed: m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, true);
0
83 else-
84 m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, false);
never executed: m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, false);
0
85-
86 if (smooth)
smoothDescription
TRUEnever evaluated
FALSEnever evaluated
0
87 m_painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
never executed: m_painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
0
88 else-
89 m_painter.setRenderHint(QPainter::SmoothPixmapTransform, false);
never executed: m_painter.setRenderHint(QPainter::SmoothPixmapTransform, false);
0
90-
91 m_painter.setCompositionMode(QPainter::CompositionMode_SourceOver);-
92 m_painter.translate(-m_rect.left(), -m_rect.top());-
93 m_painter.setClipRect(m_rect);-
94 m_painter.setClipping(false);-
95 return &m_painter;
never executed: return &m_painter;
0
96 }-
97-
98 return nullptr;
never executed: return nullptr;
0
99}-
100#if QT_CONFIG(opengl)-
101QQuickContext2DFBOTile::QQuickContext2DFBOTile()-
102 : QQuickContext2DTile()-
103 , m_fbo(nullptr)-
104{-
105}
never executed: end of block
0
106-
107-
108QQuickContext2DFBOTile::~QQuickContext2DFBOTile()-
109{-
110 if (m_fbo)
m_fboDescription
TRUEnever evaluated
FALSEnever evaluated
0
111 m_fbo->release();
never executed: m_fbo->release();
0
112 delete m_fbo;-
113}
never executed: end of block
0
114-
115void QQuickContext2DFBOTile::aboutToDraw()-
116{-
117 m_fbo->bind();-
118 if (!m_device) {
!m_deviceDescription
TRUEnever evaluated
FALSEnever evaluated
0
119 QOpenGLPaintDevice *gl_device = new QOpenGLPaintDevice(rect().size());-
120 m_device = gl_device;-
121 QPainter p(m_device);-
122 p.fillRect(QRectF(0, 0, m_fbo->width(), m_fbo->height()), QColor(qRgba(0, 0, 0, 0)));-
123 p.end();-
124 }
never executed: end of block
0
125}
never executed: end of block
0
126-
127void QQuickContext2DFBOTile::drawFinished()-
128{-
129}-
130-
131void QQuickContext2DFBOTile::setRect(const QRect& r)-
132{-
133 if (m_rect == r)
m_rect == rDescription
TRUEnever evaluated
FALSEnever evaluated
0
134 return;
never executed: return;
0
135 m_rect = r;-
136 m_dirty = true;-
137 if (!m_fbo || m_fbo->size() != r.size()) {
!m_fboDescription
TRUEnever evaluated
FALSEnever evaluated
m_fbo->size() != r.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
138 QOpenGLFramebufferObjectFormat format;-
139 format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);-
140 format.setInternalTextureFormat(GL_RGBA);-
141 format.setMipmap(false);-
142-
143 if (m_painter.isActive())
m_painter.isActive()Description
TRUEnever evaluated
FALSEnever evaluated
0
144 m_painter.end();
never executed: m_painter.end();
0
145-
146 delete m_fbo;-
147 m_fbo = new QOpenGLFramebufferObject(r.size(), format);-
148 }
never executed: end of block
0
149}
never executed: end of block
0
150#endif-
151-
152QQuickContext2DImageTile::QQuickContext2DImageTile()-
153 : QQuickContext2DTile()-
154{-
155}
never executed: end of block
0
156-
157QQuickContext2DImageTile::~QQuickContext2DImageTile()-
158{-
159}-
160-
161void QQuickContext2DImageTile::setRect(const QRect& r)-
162{-
163 if (m_rect == r)
m_rect == rDescription
TRUEnever evaluated
FALSEnever evaluated
0
164 return;
never executed: return;
0
165 m_rect = r;-
166 m_dirty = true;-
167 if (m_image.size() != r.size()) {
m_image.size() != r.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
168 m_image = QImage(r.size(), QImage::Format_ARGB32_Premultiplied);-
169 }
never executed: end of block
0
170 m_device = &m_image;-
171}
never executed: end of block
0
172-
173QT_END_NAMESPACE-
174-
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