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41
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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the demonstration applications of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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161
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41 module pathdeform;
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42
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41
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43
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44 import arthurwidgets,
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45 qt.gui.QPainterPath,
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46
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47 qt.gui.QApplication,
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48 qt.gui.QMouseEvent,
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49 qt.core.QDateTime,
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50 qt.core.QTimerEvent,
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51 qt.core.QBasicTimer,
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52 qt.gui.QLayout,
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53 qt.gui.QLineEdit,
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54 qt.gui.QPainter,
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55 qt.gui.QSlider,
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56 qt.gui.QLabel,
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57 qt.gui.QDesktopWidget,
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58 qt.gui.QGroupBox,
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59 qt.gui.QPushButton,
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60 qt.gui.QVBoxLayout,
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61 qt.gui.QGridLayout,
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62 qt.gui.QHBoxLayout,
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63 qt.gui.QRadialGradient,
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64 qt.opengl.QGLFormat,
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65 tango.math.Math;
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66
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161
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67
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41
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68 class PathDeformControls : QWidget
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69 {
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70 private PathDeformRenderer m_renderer;
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71
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72 mixin Signal!("okPressed");
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73 mixin Signal!("quitPressed");
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74
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75 this(QWidget parent, PathDeformRenderer renderer, bool smallScreen)
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76 {
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77 super(parent);
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78 m_renderer = renderer;
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79
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80 if (smallScreen)
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81 layoutForSmallScreen();
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82 else
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83 layoutForDesktop();
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84 }
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85
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86 void layoutForDesktop()
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87 {
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88 QGroupBox mainGroup = new QGroupBox(this);
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89 mainGroup.setTitle(tr("Controls"));
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90
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91 QGroupBox radiusGroup = new QGroupBox(mainGroup);
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92 radiusGroup.setTitle(tr("Lens Radius"));
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93 QSlider radiusSlider = new QSlider(Qt.Horizontal, radiusGroup);
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94 radiusSlider.setRange(15, 150);
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95 radiusSlider.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed);
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96
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97 QGroupBox deformGroup = new QGroupBox(mainGroup);
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98 deformGroup.setTitle(tr("Deformation"));
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99 QSlider deformSlider = new QSlider(Qt.Horizontal, deformGroup);
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100 deformSlider.setRange(-100, 100);
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101 deformSlider.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed);
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102
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103 QGroupBox fontSizeGroup = new QGroupBox(mainGroup);
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104 fontSizeGroup.setTitle(tr("Font Size"));
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105 QSlider fontSizeSlider = new QSlider(Qt.Horizontal, fontSizeGroup);
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106 fontSizeSlider.setRange(16, 200);
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107 fontSizeSlider.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed);
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108
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109 QGroupBox textGroup = new QGroupBox(mainGroup);
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110 textGroup.setTitle(tr("Text"));
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111 QLineEdit textInput = new QLineEdit(textGroup);
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112
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113 QPushButton animateButton = new QPushButton(mainGroup);
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114 animateButton.setText(tr("Animated"));
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115 animateButton.setCheckable(true);
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116
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117 QPushButton showSourceButton = new QPushButton(mainGroup);
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118 showSourceButton.setText(tr("Show Source"));
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119
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120 version (QT_OPENGL_SUPPORT)
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121 {
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122 QPushButton enableOpenGLButton = new QPushButton(mainGroup);
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123 enableOpenGLButton.setText(tr("Use OpenGL"));
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124 enableOpenGLButton.setCheckable(true);
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125 enableOpenGLButton.setChecked(m_renderer.usesOpenGL());
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126 if (!QGLFormat.hasOpenGL())
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127 enableOpenGLButton.hide();
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128 }
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129
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130 QPushButton whatsThisButton = new QPushButton(mainGroup);
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131 whatsThisButton.setText(tr("What's This?"));
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132 whatsThisButton.setCheckable(true);
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133
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134 mainGroup.setFixedWidth(180);
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135
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136 QVBoxLayout mainGroupLayout = new QVBoxLayout(mainGroup);
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137 mainGroupLayout.addWidget(radiusGroup);
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138 mainGroupLayout.addWidget(deformGroup);
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139 mainGroupLayout.addWidget(fontSizeGroup);
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140 mainGroupLayout.addWidget(textGroup);
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141 mainGroupLayout.addWidget(animateButton);
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142 mainGroupLayout.addStretch(1);
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143 version (QT_OPENGL_SUPPORT)
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144 {
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145 mainGroupLayout.addWidget(enableOpenGLButton);
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146 }
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147 mainGroupLayout.addWidget(showSourceButton);
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148 mainGroupLayout.addWidget(whatsThisButton);
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149
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150 QVBoxLayout radiusGroupLayout = new QVBoxLayout(radiusGroup);
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151 radiusGroupLayout.addWidget(radiusSlider);
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152
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153 QVBoxLayout deformGroupLayout = new QVBoxLayout(deformGroup);
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154 deformGroupLayout.addWidget(deformSlider);
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155
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156 QVBoxLayout fontSizeGroupLayout = new QVBoxLayout(fontSizeGroup);
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157 fontSizeGroupLayout.addWidget(fontSizeSlider);
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158
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159 QVBoxLayout textGroupLayout = new QVBoxLayout(textGroup);
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160 textGroupLayout.addWidget(textInput);
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161
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162 QVBoxLayout mainLayout = new QVBoxLayout(this);
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163 mainLayout.addWidget(mainGroup);
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164 mainLayout.setMargin(0);
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165
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166 radiusSlider.valueChanged.connect(&m_renderer.setRadius);
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167 deformSlider.valueChanged.connect(&m_renderer.setIntensity);
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168 fontSizeSlider.valueChanged.connect(&m_renderer.setFontSize);
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169 animateButton.clicked.connect(&m_renderer.setAnimated);
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170 version (QT_OPENGL_SUPPORT)
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171 {
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172 enableOpenGLButton.clicked.connect(&m_renderer.enableOpenGL);
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173 }
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174
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175 textInput.textChanged.connect(&m_renderer.setText);
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176 m_renderer.descriptionEnabledChanged.connect(&whatsThisButton.setChecked);
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177 whatsThisButton.clicked.connect(&m_renderer.setDescriptionEnabled);
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178 showSourceButton.clicked.connect(&m_renderer.showSource);
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179
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180 animateButton.animateClick();
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181 deformSlider.setValue(80);
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182 fontSizeSlider.setValue(120);
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183 radiusSlider.setValue(100);
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184 textInput.setText(tr("Qt"));
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185 }
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186
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187 void layoutForSmallScreen()
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188 {
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189 QGroupBox mainGroup = new QGroupBox(this);
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190 mainGroup.setTitle(tr("Controls"));
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191
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192 QLabel radiusLabel = new QLabel(mainGroup);
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193 radiusLabel.setText(tr("Lens Radius:"));
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194 QSlider radiusSlider = new QSlider(Qt.Horizontal, mainGroup);
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195 radiusSlider.setRange(15, 150);
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196 radiusSlider.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed);
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197
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198 QLabel deformLabel = new QLabel(mainGroup);
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199 deformLabel.setText(tr("Deformation:"));
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200 QSlider deformSlider = new QSlider(Qt.Horizontal, mainGroup);
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201 deformSlider.setRange(-100, 100);
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202 deformSlider.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed);
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203
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204 QLabel fontSizeLabel = new QLabel(mainGroup);
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205 fontSizeLabel.setText(tr("Font Size:"));
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206 QSlider fontSizeSlider = new QSlider(Qt.Horizontal, mainGroup);
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207 fontSizeSlider.setRange(16, 200);
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208 fontSizeSlider.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed);
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209
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210 QPushButton animateButton = new QPushButton(tr("Animated"), mainGroup);
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211 animateButton.setCheckable(true);
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212
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213 version (QT_OPENGL_SUPPORT)
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214 {
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215 QPushButton enableOpenGLButton = new QPushButton(mainGroup);
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216 enableOpenGLButton.setText(tr("Use OpenGL"));
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217 enableOpenGLButton.setCheckable(true);
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218 enableOpenGLButton.setChecked(m_renderer.usesOpenGL());
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219 if (!QGLFormat.hasOpenGL())
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220 enableOpenGLButton.hide();
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221 }
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222
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223 QPushButton quitButton = new QPushButton(tr("Quit"), mainGroup);
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224 QPushButton okButton = new QPushButton(tr("OK"), mainGroup);
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225
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226
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227 QGridLayout mainGroupLayout = new QGridLayout(mainGroup);
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228 mainGroupLayout.setMargin(0);
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229 mainGroupLayout.addWidget(radiusLabel, 0, 0, Qt.AlignRight);
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230 mainGroupLayout.addWidget(radiusSlider, 0, 1);
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231 mainGroupLayout.addWidget(deformLabel, 1, 0, Qt.AlignRight);
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232 mainGroupLayout.addWidget(deformSlider, 1, 1);
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233 mainGroupLayout.addWidget(fontSizeLabel, 2, 0, Qt.AlignRight);
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234 mainGroupLayout.addWidget(fontSizeSlider, 2, 1);
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235 mainGroupLayout.addWidget(animateButton, 3,0, 1,2);
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236 version (QT_OPENGL_SUPPORT)
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237 {
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238 mainGroupLayout.addWidget(enableOpenGLButton, 4,0, 1,2);
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239 }
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240
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241 QVBoxLayout mainLayout = new QVBoxLayout(this);
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242 mainLayout.addWidget(mainGroup);
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243 mainLayout.addStretch(1);
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244 mainLayout.addWidget(okButton);
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245 mainLayout.addWidget(quitButton);
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246
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247 quitButton.clicked.connect(&emitQuitSignal);
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248 okButton.clicked.connect(&emitOkSignal);
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249 radiusSlider.valueChanged.connect(&m_renderer.setRadius);
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250 deformSlider.valueChanged.connect(&m_renderer.setIntensity);
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251 fontSizeSlider.valueChanged.connect(&m_renderer.setFontSize);
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252 animateButton.clicked.connect(&m_renderer.setAnimated);
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253 version (QT_OPENGL_SUPPORT)
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254 {
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255 enableOpenGLButton.clicked.connect(&m_renderer.enableOpenGL);
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256 }
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257
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258
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259 animateButton.animateClick();
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260 deformSlider.setValue(80);
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261 fontSizeSlider.setValue(120);
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262
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263 QRect screen_size = QApplication.desktop().screenGeometry();
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264 radiusSlider.setValue(qMin(screen_size.width(), screen_size.height())/5);
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265 m_renderer.setText(tr("Qt"));
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266 }
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267
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268
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269 void emitQuitSignal()
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270 { quitPressed.emit; }
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271
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272 void emitOkSignal()
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273 { okPressed.emit; }
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274 }
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275
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276
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277 class PathDeformWidget : QWidget
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278 {
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279 private:
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280 PathDeformRenderer m_renderer;
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281 PathDeformControls m_controls;
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282
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283 public:
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284 this(QWidget parent, bool smallScreen)
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285 {
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286 super(parent);
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287
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288 setWindowTitle(tr("Vector Deformation"));
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289
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290 m_renderer = new PathDeformRenderer(this, smallScreen);
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291 m_renderer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding);
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292
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293 // Layouts
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294 QHBoxLayout mainLayout = new QHBoxLayout(this);
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295 mainLayout.addWidget(m_renderer);
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296
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297 m_controls = new PathDeformControls(null, m_renderer, smallScreen);
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298 m_controls.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Minimum);
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299
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300 if (!smallScreen)
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301 mainLayout.addWidget(m_controls);
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302
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303 m_renderer.loadSourceFile(":res/deform/pathdeform.d");
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304 m_renderer.loadDescription(":res/deform/pathdeform.html");
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305 m_renderer.setDescriptionEnabled(false);
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306
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307 m_renderer.clicked.connect(&showControls);
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308 m_controls.okPressed.connect(&hideControls);
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309
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310 m_controls.quitPressed.connect(&QApplication.quit);
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311 }
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312
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313 void showControls()
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314 {
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315 m_controls.showFullScreen;
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316 }
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317
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318 void hideControls()
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319 {
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320 m_controls.hide;
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321 }
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322
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323 void setWidgetStyle(QStyle style) // TODO: QWidget.setStyle is not virtual
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324 {
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325 super.setStyle(style);
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326 if (m_controls)
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327 {
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328 m_controls.setStyle(style);
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329
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161
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330 QWidget[] widgets; // = qFindChildren!(QWidget)(m_controls); //TODO
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41
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331 foreach (w; widgets)
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332 w.setStyle(style);
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333 }
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334 }
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335 }
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336
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337 private QRect circle_bounds(QPointF center, qreal radius, qreal compensation)
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338 {
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161
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339 return QRect(qRound(center.x() - radius - compensation),
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41
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340 qRound(center.y() - radius - compensation),
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341 qRound((radius + compensation) * 2),
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342 qRound((radius + compensation) * 2));
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343 }
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344
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345 enum
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346 {
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347 LENS_EXTENT = 10
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348 }
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349
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350 class PathDeformRenderer : ArthurFrame
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351 {
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352 private:
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353 QBasicTimer m_repaintTimer;
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354 // QBasicTimer m_fpsTimer;
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355 // int m_fpsCounter;
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356 QTime m_repaintTracker;
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357
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358 QPainterPath[] m_paths;
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359 QPointF[] m_advances;
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360 QRectF m_pathBounds;
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361 string m_text;
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362
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363 QPixmap m_lens_pixmap;
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364 QImage m_lens_image;
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365
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366 int m_fontSize;
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367 bool m_animated;
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368
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369 qreal m_intensity;
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370 qreal m_radius;
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371 QPointF m_pos;
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372 QPointF m_offset;
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373 QPointF m_direction;
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374 QPointF m_mousePress;
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375 bool m_mouseDrag;
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376 bool m_smallScreen;
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377
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378 public:
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379 mixin Signal!("clicked");
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380
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381 this(QWidget widget, bool smallScreen)
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382 {
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383 super(widget);
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384 m_radius = 100;
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385 m_pos = QPointF(m_radius, m_radius);
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386 m_direction = QPointF(1, 1);
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387 m_fontSize = 24;
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388 m_animated = true;
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389 m_repaintTimer.start(25, this);
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390 m_repaintTracker.start();
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391 m_intensity = 100;
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392 m_smallScreen = smallScreen;
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393
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394 // m_fpsTimer.start(1000, this);
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395 // m_fpsCounter = 0;
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396
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397 generateLensPixmap();
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398 }
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399
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400 void setFontSize(int fontSize) { m_fontSize = fontSize; setText(m_text); }
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401
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402 override QSize sizeHint() { return QSize(600, 500); }
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403
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404 bool animated() { return m_animated; }
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405 int radius() { return cast(int)m_radius; }
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406 int fontSize() { return m_fontSize; }
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407 int intensity() { return cast(int)m_intensity; }
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408 string text() { return m_text; }
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409
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410
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411 void setText(string text)
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412 {
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413 m_text = text;
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414
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415 auto f = new QFont("times new roman,utopia");
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416 f.setStyleStrategy(QFont.ForceOutline);
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417 f.setPointSize(m_fontSize);
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418 f.setStyleHint(QFont.Times);
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419
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420 m_paths = null;
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161
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421 m_pathBounds = QRectF();
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41
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422
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423 QPointF advance;
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424
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425 auto path = new QPainterPath;
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426 path.addText(advance, f, text);
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427 m_pathBounds = m_pathBounds.united(path.boundingRect);
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428 m_paths ~= path;
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429
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430 foreach (ref p; m_paths)
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431 p = (new QMatrix(1, 0, 0, 1, -m_pathBounds.x(), -m_pathBounds.y())).map(path);
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432
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433 update;
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434 }
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435
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436
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437 void generateLensPixmap()
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438 {
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439 qreal rad = m_radius + LENS_EXTENT;
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440
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441 QRect bounds = circle_bounds(QPointF(), rad, 0);
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442
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443 QPainter painter = new QPainter;
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444
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445 if (preferImage()) {
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446 m_lens_image = new QImage(bounds.size(), QImage.Format_ARGB32_Premultiplied);
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447 m_lens_image.fill(0);
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448 painter.begin(m_lens_image);
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449 } else {
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450 m_lens_pixmap = new QPixmap(bounds.size());
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451 m_lens_pixmap.fill(new QColor(Qt.transparent));
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452 painter.begin(m_lens_pixmap);
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453 }
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454
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455 auto gr = new QRadialGradient(rad, rad, rad, 3 * rad / 5, 3 * rad / 5);
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456 gr.setColorAt(0.0, new QColor(255, 255, 255, 191));
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457 gr.setColorAt(0.2, new QColor(255, 255, 127, 191));
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458 gr.setColorAt(0.9, new QColor(150, 150, 200, 63));
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459 gr.setColorAt(0.95, new QColor(0, 0, 0, 127));
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460 gr.setColorAt(1, new QColor(0, 0, 0, 0));
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461 painter.setRenderHint(QPainter.Antialiasing);
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462 painter.setBrush(gr);
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463 painter.setPen(Qt.NoPen);
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464 painter.drawEllipse(0, 0, bounds.width(), bounds.height());
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465 }
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466
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467 void setAnimated(bool animated)
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468 {
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469 m_animated = animated;
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470
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471 if (m_animated) {
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472 // m_fpsTimer.start(1000, this);
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473 // m_fpsCounter = 0;
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474 m_repaintTimer.start(25, this);
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475 m_repaintTracker.start();
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476 } else {
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477 // m_fpsTimer.stop();
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478 m_repaintTimer.stop();
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479 }
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480 }
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481
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482 override void timerEvent(QTimerEvent e)
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483 {
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484
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485 if (e.timerId == m_repaintTimer.timerId) {
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486
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161
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487 if ((QLineF(QPointF(0,0), m_direction)).length() > 1)
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41
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488 m_direction *= 0.995;
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489 qreal time = m_repaintTracker.restart();
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490
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491 QRect rectBefore = circle_bounds(m_pos, m_radius, m_fontSize);
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492
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493 qreal dx = m_direction.x();
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494 qreal dy = m_direction.y();
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495 if (time > 0) {
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496 dx = dx * time * .1;
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497 dy = dy * time * .1;
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498 }
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499
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500 m_pos += QPointF(dx, dy);
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501
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502 if (m_pos.x() - m_radius < 0) {
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503 m_direction.x = -m_direction.x;
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504 m_pos.x = m_radius;
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505 } else if (m_pos.x + m_radius > width) {
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506 m_direction.x = -m_direction.x;
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507 m_pos.x = width - m_radius;
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508 }
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509
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510 if (m_pos.y - m_radius < 0) {
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511 m_direction.y = -m_direction.y;
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512 m_pos.y = m_radius;
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513 } else if (m_pos.y + m_radius > height) {
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514 m_direction.y = -m_direction.y;
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515 m_pos.y = height - m_radius;
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516 }
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517
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518 void noGLUpdate()
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519 {
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520 QRect rectAfter = circle_bounds(m_pos, m_radius, m_fontSize);
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521 update(rectAfter.united(rectBefore));
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522 QApplication.syncX();
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523 }
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524
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525 version (QT_OPENGL_SUPPORT)
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526 {
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527 if (usesOpenGL()) {
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528 update;
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529 }
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530 else
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531 noGLUpdate;
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532 }
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533 else
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534 noGLUpdate;
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535 }
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536 // else if (e.timerId() == m_fpsTimer.timerId()) {
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537 // printf("fps: %d\n", m_fpsCounter);
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538 // emit frameRate(m_fpsCounter);
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539 // m_fpsCounter = 0;
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540
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541 // }
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542 }
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543
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544 override void mousePressEvent(QMouseEvent e)
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545 {
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546 setDescriptionEnabled(false);
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547
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548 m_repaintTimer.stop();
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549 m_offset = QPointF();
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161
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550 if ((QLineF(m_pos, QPointF(e.pos))).length <= m_radius)
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41
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551 m_offset = m_pos - QPointF(e.pos);
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552
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161
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553 m_mousePress = QPointF(e.pos);
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41
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554
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555 // If we're not running in small screen mode, always assume we're dragging
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556 m_mouseDrag = !m_smallScreen;
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557
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558 mouseMoveEvent(e);
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559 }
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560
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561 override void mouseReleaseEvent(QMouseEvent e)
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562 {
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563 if (e.buttons() == Qt.NoButton && m_animated) {
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564 m_repaintTimer.start(10, this);
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565 m_repaintTracker.start();
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566 }
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567
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568 if (!m_mouseDrag && m_smallScreen)
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569 clicked.emit;
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570 }
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571
|
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572 override void mouseMoveEvent(QMouseEvent e)
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573 {
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574 auto epos = QPointF(e.pos);
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575
|
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161
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576 if (!m_mouseDrag && (QLineF(m_mousePress, QPointF(e.pos))).length() > 25.0)
|
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41
|
577 m_mouseDrag = true;
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578
|
|
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579 if (m_mouseDrag) {
|
|
|
580 QRect rectBefore = circle_bounds(m_pos, m_radius, m_fontSize);
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581 if (e.type() == QEvent.MouseMove) {
|
|
161
|
582 QLineF line = QLineF(m_pos, epos + m_offset);
|
|
41
|
583 line.setLength(line.length() * .1);
|
|
|
584 auto dir = QPointF(line.dx(), line.dy());
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|
|
585 m_direction = (m_direction + dir) / 2;
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586 }
|
|
|
587 m_pos = epos + m_offset;
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|
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588
|
|
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589 void noGLUpdate()
|
|
|
590 {
|
|
|
591 QRect rectAfter = circle_bounds(m_pos, m_radius, m_fontSize);
|
|
|
592 update(rectBefore.united(rectAfter));
|
|
|
593 }
|
|
|
594
|
|
|
595 version (QT_OPENGL_SUPPORT)
|
|
|
596 {
|
|
|
597 if (usesOpenGL()) {
|
|
|
598 update;
|
|
|
599 } else
|
|
|
600 noGLUpdate;
|
|
|
601 }
|
|
|
602 else
|
|
|
603 noGLUpdate;
|
|
|
604 }
|
|
|
605 }
|
|
|
606
|
|
|
607 QPainterPath lensDeform(QPainterPath source, QPointF offset)
|
|
|
608 {
|
|
|
609 auto path = new QPainterPath;
|
|
|
610 path.addPath(source);
|
|
|
611
|
|
|
612 qreal flip = m_intensity / 100.0;
|
|
|
613
|
|
|
614 for (int i=0; i<path.elementCount; ++i) {
|
|
|
615 auto e = path.elementAt(i);
|
|
|
616
|
|
|
617 qreal x = e.x + offset.x();
|
|
|
618 qreal y = e.y + offset.y();
|
|
|
619
|
|
|
620 qreal dx = x - m_pos.x();
|
|
|
621 qreal dy = y - m_pos.y();
|
|
|
622 qreal len = m_radius - sqrt(dx * dx + dy * dy);
|
|
|
623
|
|
|
624 if (len > 0) {
|
|
|
625 path.setElementPositionAt(i,
|
|
|
626 x + flip * dx * len / m_radius,
|
|
|
627 y + flip * dy * len / m_radius);
|
|
|
628 } else {
|
|
|
629 path.setElementPositionAt(i, x, y);
|
|
|
630 }
|
|
|
631
|
|
|
632 }
|
|
|
633
|
|
|
634 return path;
|
|
|
635 }
|
|
|
636
|
|
|
637
|
|
|
638 override void paint(QPainter painter)
|
|
|
639 {
|
|
|
640 int pad_x = 5;
|
|
|
641 int pad_y = 5;
|
|
|
642
|
|
|
643 int skip_x = qRound(m_pathBounds.width() + pad_x + m_fontSize/2);
|
|
|
644 int skip_y = qRound(m_pathBounds.height() + pad_y);
|
|
|
645
|
|
|
646 painter.setPen(Qt.NoPen);
|
|
|
647 painter.setBrush(new QColor(Qt.black));
|
|
|
648
|
|
|
649 auto clip = painter.clipPath().boundingRect();
|
|
|
650
|
|
|
651 int overlap = pad_x / 2;
|
|
|
652
|
|
|
653 for (int start_y=0; start_y < height(); start_y += skip_y) {
|
|
|
654
|
|
|
655 if (start_y > clip.bottom())
|
|
|
656 break;
|
|
|
657
|
|
|
658 int start_x = -overlap;
|
|
|
659 for (; start_x < width(); start_x += skip_x) {
|
|
|
660
|
|
|
661 if (start_y + skip_y >= clip.top() &&
|
|
|
662 start_x + skip_x >= clip.left() &&
|
|
|
663 start_x <= clip.right()) {
|
|
|
664 for (int i=0; i<m_paths.length; ++i) {
|
|
|
665 QPainterPath path = lensDeform(m_paths[i], QPointF(start_x, start_y));
|
|
|
666 painter.drawPath(path);
|
|
|
667 }
|
|
|
668 }
|
|
|
669 }
|
|
|
670 overlap = skip_x - (start_x - width());
|
|
|
671
|
|
|
672 }
|
|
|
673
|
|
|
674 if (preferImage) {
|
|
|
675 painter.drawImage(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
|
|
|
676 m_lens_image);
|
|
|
677 } else {
|
|
|
678 painter.drawPixmap(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
|
|
|
679 m_lens_pixmap);
|
|
|
680 }
|
|
|
681 }
|
|
|
682
|
|
|
683
|
|
|
684 void setRadius(int radius)
|
|
|
685 {
|
|
|
686 qreal max = max(m_radius, cast(qreal)radius);
|
|
|
687 m_radius = radius;
|
|
|
688 generateLensPixmap();
|
|
|
689 if (!m_animated || m_radius < max) {
|
|
|
690
|
|
|
691 auto noGLUpdate = (){ update(circle_bounds(m_pos, max, m_fontSize)); };
|
|
|
692
|
|
|
693 version (QT_OPENGL_SUPPORT)
|
|
|
694 {
|
|
|
695 if (usesOpenGL())
|
|
|
696 update();
|
|
|
697 else
|
|
|
698 noGLUpdate();
|
|
|
699 }
|
|
|
700 else
|
|
|
701 noGLUpdate();
|
|
|
702 }
|
|
|
703 }
|
|
|
704
|
|
|
705 void setIntensity(int intensity)
|
|
|
706 {
|
|
|
707 m_intensity = intensity;
|
|
|
708 if (!m_animated) {
|
|
|
709
|
|
|
710 auto noGLUpdate = (){ update(circle_bounds(m_pos, m_radius, m_fontSize)); };
|
|
|
711
|
|
|
712 version (QT_OPENGL_SUPPORT)
|
|
|
713 {
|
|
|
714
|
|
|
715
|
|
|
716 if (usesOpenGL()) {
|
|
|
717 update();
|
|
|
718 } else
|
|
|
719 noGLUpdate();
|
|
|
720 }
|
|
|
721 else
|
|
|
722 noGLUpdate();
|
|
|
723 }
|
|
|
724 }
|
|
|
725 }
|
