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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++ #include <QPainter>
++ #include <QWidget>
++
++ namespace doc_src_coordsys {
++ struct SnippetWrappers : public QWidget
++ {
++ void wrapper0();
++ void wrapper1();
++ void wrapper2();
++ void wrapper3();
++ void wrapper4();
++ };
++
++
++ void SnippetWrappers::wrapper0() {
++
++ //! [0]
++ QPainter painter(this);
++
++ painter.setPen(Qt::darkGreen);
++ // Using the (x y w h) overload
++ painter.drawRect(1, 2, 6, 4);
++ //! [0]
++
++ } // wrapper0
++
++
++ void SnippetWrappers::wrapper1() {
++
++ //! [1]
++ QPainter painter(this);
++
++ painter.setPen(Qt::darkGreen);
++ painter.drawLine(2, 7, 6, 1);
++ //! [1]
++
++ } // wrapper2
++
++
++ void SnippetWrappers::wrapper2() {
++
++ //! [2]
++ QPainter painter(this);
++ painter.setRenderHint(
++ QPainter::Antialiasing);
++ painter.setPen(Qt::darkGreen);
++ // Using the (x y w h) overload
++ painter.drawRect(1, 2, 6, 4);
++ //! [2]
++
++ } // wrapper2
++
++
++ void SnippetWrappers::wrapper3() {
++
++ //! [3]
++ QPainter painter(this);
++ painter.setRenderHint(
++ QPainter::Antialiasing);
++ painter.setPen(Qt::darkGreen);
++ painter.drawLine(2, 7, 6, 1);
++ //! [3]
++
++ } // wrapper3
++
++
++ void SnippetWrappers::wrapper4() {
++
++ //! [4]
++ QPainter painter(this);
++ painter.setWindow(QRect(-50, -50, 100, 100));
++ //! [4]
++
++
++ //! [5]
++ int side = qMin(width(), height());
++ int x = (width() - side / 2);
++ int y = (height() - side / 2);
++
++ painter.setViewport(x, y, side, side);
++ //! [5]
++
++ } // wrapper4
++
++ } // doc_src_coordsys