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// 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 WITH Qt-GPL-exception-1.0
#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();
}
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