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