Revision control

++ // Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include <QGuiApplication>
++
++ #include <QFile>
++
++ #include <QSvgGenerator>
++ #include <QPainter>
++ #include <QBrush>
++ #include <QPen>
++ #include <QPainterPath>
++ #include <QRect>
++ #include <QSize>
++
++ int main(int argc, char **argv)
++ {
++ QGuiApplication app(argc, argv);
++
++ const QStringList arguments = app.arguments();
++ if (arguments.size() < 2) {
++ qWarning("Missing file name");
++ return 0;
++ }
++
++ QFile output(arguments[1]);
++ if (!output.open(QIODevice::WriteOnly))
++ qFatal("Cannot open output file name");
++
++ QSvgGenerator generator(QSvgGenerator::SvgVersion::Svg11);
++ generator.setOutputDevice(&output);
++ generator.setSize(QSize(1000, 500));
++ generator.setViewBox(QRect(0, 0, 1000, 500));
++
++ {
++ QPainter painter(&generator);
++ QFont f = painter.font();
++ f.setPointSize(48);
++ painter.setFont(f);
++
++ {
++ painter.save();
++ // clipped rectangle
++ painter.setClipRect(QRect(100, 100, 250, 200));
++
++ painter.setBrush(QColorConstants::Blue);
++ painter.drawEllipse(QRect(0, 100, 400, 200));
++
++ {
++ painter.save();
++
++ // transformed element within clip
++ painter.setBrush(QColorConstants::Green);
++ painter.translate(300, 150);
++ painter.rotate(45);
++ painter.drawEllipse(QPointF(0, 0), 100, 50);
++
++ painter.restore();
++ }
++
++ painter.drawText(200, 200, "A very long clipped text");
++
++ painter.restore();
++ }
++ {
++ // unclipped
++ painter.setBrush(QColorConstants::Red);
++ painter.drawEllipse(0, 0, 200, 150);
++ }
++ {
++ painter.save();
++
++ // transformed clip (by transforming the painter before setting the clip);
++ painter.translate(500, 0);
++ painter.rotate(45);
++
++ painter.setClipRect(QRect(50, 50, 150, 200));
++
++ painter.setBrush(QColorConstants::Green);
++ QPainterPath path;
++ path.addRect(50, 50, 100, 100);
++ path.moveTo(0, 0);
++ path.cubicTo(300, 0, 150, 150, 300, 300);
++ path.cubicTo(0, 300, 150, 150, 0, 0);
++ painter.drawPath(path);
++
++ painter.setBrush(QColorConstants::Blue);
++ painter.drawEllipse(QPointF(125, 125), 100, 50);
++
++ painter.restore();
++ }
++
++ {
++ painter.save();
++
++ // transformed clip
++ painter.translate(700, 50);
++
++ // clip by path
++ QPainterPath path;
++ path.moveTo(0, 0);
++ path.cubicTo(300, 0, 150, 150, 300, 300);
++ path.cubicTo(0, 300, 150, 150, 0, 0);
++
++ painter.setBrush(QColorConstants::Svg::red);
++ painter.drawPath(path);
++
++ painter.setClipPath(path);
++
++ painter.setBrush(QColorConstants::Svg::purple);
++ painter.drawEllipse(QPointF(150, 50), 150, 50);
++
++ // transform and remove clipping
++ painter.translate(0, 100);
++ painter.setClipping(false);
++ painter.setBrush(QColorConstants::Svg::darkblue);
++ painter.drawEllipse(QPointF(150, 50), 150, 50);
++
++ // transform and clip again
++ painter.translate(0, 100);
++ painter.setClipping(true);
++ painter.setBrush(QColorConstants::Svg::green);
++ painter.drawEllipse(QPointF(150, 50), 150, 50);
++
++
++ painter.restore();
++ }
++
++ }
++
++ output.close();
++ }