mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-27 14:38:28 +08:00
58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QApplication>
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#include <QGraphicsScene>
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#include <QGraphicsView>
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#include "coloritem.h"
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#include "robot.h"
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#include <cmath>
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class GraphicsView : public QGraphicsView
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{
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public:
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using QGraphicsView::QGraphicsView;
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protected:
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void resizeEvent(QResizeEvent *) override
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{
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}
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};
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//! [0]
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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//! [0]
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//! [1]
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QGraphicsScene scene(-200, -200, 400, 400);
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for (int i = 0; i < 10; ++i) {
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ColorItem *item = new ColorItem;
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item->setPos(::sin((i * 6.28) / 10.0) * 150,
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::cos((i * 6.28) / 10.0) * 150);
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scene.addItem(item);
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}
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Robot *robot = new Robot;
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robot->setTransform(QTransform::fromScale(1.2, 1.2), true);
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robot->setPos(0, -20);
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scene.addItem(robot);
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//! [1]
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//! [2]
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GraphicsView view(&scene);
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view.setRenderHint(QPainter::Antialiasing);
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view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
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view.setBackgroundBrush(QColor(230, 200, 167));
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view.setWindowTitle("Drag and Drop Robot");
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view.show();
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return app.exec();
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}
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//! [2]
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