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41 
42 #include <QtGui>
43 
44 void createCurveIcons();
45 
main(int argc,char ** argv)46 int main(int argc, char **argv)
47 {
48     QApplication app(argc, argv);
49     createCurveIcons();
50     return app.exit();
51 }
52 
createCurveIcons()53 void createCurveIcons()
54 {
55     QDir dir(QDir::current());
56     if (dir.dirName() == QLatin1String("debug") || dir.dirName() == QLatin1String("release")) {
57         dir.cdUp();
58     }
59     dir.cdUp();
60     dir.cdUp();
61     dir.cdUp();
62     QSize iconSize(128, 128);
63     QPixmap pix(iconSize);
64     QPainter painter(&pix);
65     QLinearGradient gradient(0,0, 0, iconSize.height());
66     gradient.setColorAt(0.0, QColor(240, 240, 240));
67     gradient.setColorAt(1.0, QColor(224, 224, 224));
68     QBrush brush(gradient);
69     const QMetaObject &mo = QEasingCurve::staticMetaObject;
70     QMetaEnum metaEnum = mo.enumerator(mo.indexOfEnumerator("Type"));
71     QFont oldFont = painter.font();
72     // Skip QEasingCurve::Custom
73     QString output(QString::fromAscii("%1/images").arg(dir.absolutePath()));
74     printf("Generating images to %s\n", qPrintable(output));
75     for (int i = 0; i < QEasingCurve::NCurveTypes - 1; ++i) {
76         painter.setFont(oldFont);
77         QString name(QLatin1String(metaEnum.key(i)));
78         painter.fillRect(QRect(QPoint(0, 0), iconSize), brush);
79         QEasingCurve curve((QEasingCurve::Type)i);
80         painter.setPen(QColor(0, 0, 255, 64));
81         qreal xAxis = iconSize.height()/1.5;
82         qreal yAxis = iconSize.width()/3;
83         painter.drawLine(0, xAxis, iconSize.width(),  xAxis); // hor
84         painter.drawLine(yAxis, 0, yAxis, iconSize.height()); // ver
85 
86         qreal curveScale = iconSize.height()/2;
87 
88         painter.drawLine(yAxis - 2, xAxis - curveScale, yAxis + 2, xAxis - curveScale); // hor
89         painter.drawLine(yAxis + curveScale, xAxis + 2, yAxis + curveScale, xAxis - 2); // ver
90         painter.drawText(yAxis + curveScale - 8, xAxis - curveScale - 4, QLatin1String("(1,1)"));
91 
92         painter.drawText(yAxis + 42, xAxis + 10, QLatin1String("progress"));
93         painter.drawText(15, xAxis - curveScale - 10, QLatin1String("value"));
94 
95         painter.setPen(QPen(Qt::red, 1, Qt::DotLine));
96         painter.drawLine(yAxis, xAxis - curveScale, yAxis + curveScale, xAxis - curveScale); // hor
97         painter.drawLine(yAxis + curveScale, xAxis, yAxis + curveScale, xAxis - curveScale); // ver
98 
99         QPoint start(yAxis, xAxis - curveScale * curve.valueForProgress(0));
100 
101         painter.setPen(Qt::black);
102         QFont font = oldFont;
103         font.setPixelSize(oldFont.pixelSize() + 15);
104         painter.setFont(font);
105         painter.drawText(0, iconSize.height() - 20, iconSize.width(), 20, Qt::AlignHCenter, name);
106 
107         QPainterPath curvePath;
108         curvePath.moveTo(start);
109         for (qreal t = 0; t <= 1.0; t+=1.0/curveScale) {
110             QPoint to;
111             to.setX(yAxis + curveScale * t);
112             to.setY(xAxis - curveScale * curve.valueForProgress(t));
113             curvePath.lineTo(to);
114         }
115         painter.setRenderHint(QPainter::Antialiasing, true);
116         painter.strokePath(curvePath, QColor(32, 32, 32));
117         painter.setRenderHint(QPainter::Antialiasing, false);
118 
119         QString fileName(QString::fromAscii("qeasingcurve-%1.png").arg(name.toLower()));
120         printf("%s\n", qPrintable(fileName));
121         pix.save(QString::fromAscii("%1/%2").arg(output).arg(fileName), "PNG");
122     }
123 }
124 
125 
126