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| ****************************************************************************/ |
| |
| #include <QGuiApplication> |
| #include <QThread> |
| #include <QQuickView> |
| #include <QQmlEngine> |
| #include <QQmlContext> |
| #include <QQuickPaintedItem> |
| #include <QPainter> |
| #include <QTimer> |
| |
| class TextBalloon : public QQuickPaintedItem |
| { |
| Q_OBJECT |
| Q_PROPERTY(bool rightAligned READ isRightAligned WRITE setRightAligned NOTIFY rightAlignedChanged) |
| Q_PROPERTY(bool innerAnim READ innerAnimEnabled WRITE setInnerAnimEnabled NOTIFY innerAnimChanged) |
| |
| public: |
| TextBalloon(QQuickItem *parent = nullptr) : QQuickPaintedItem(parent) { |
| connect(&m_timer, &QTimer::timeout, this, &TextBalloon::onAnim); |
| m_timer.setInterval(500); |
| } |
| void paint(QPainter *painter); |
| |
| bool isRightAligned() { return m_rightAligned; } |
| void setRightAligned(bool rightAligned); |
| |
| bool innerAnimEnabled() const { return m_innerAnim; } |
| void setInnerAnimEnabled(bool b); |
| |
| signals: |
| void rightAlignedChanged(); |
| void innerAnimChanged(); |
| |
| private slots: |
| void onAnim(); |
| |
| private: |
| bool m_rightAligned = false; |
| bool m_innerAnim = false; |
| QTimer m_timer; |
| QRect m_animRect = QRect(10, 10, 50, 20); |
| int m_anim = 0; |
| }; |
| |
| void TextBalloon::paint(QPainter *painter) |
| { |
| QBrush brush(QColor("#007430")); |
| |
| painter->setBrush(brush); |
| painter->setPen(Qt::NoPen); |
| painter->setRenderHint(QPainter::Antialiasing); |
| |
| painter->drawRoundedRect(0, 0, boundingRect().width(), boundingRect().height() - 10, 10, 10); |
| |
| if (m_rightAligned) { |
| const QPointF points[3] = { |
| QPointF(boundingRect().width() - 10.0, boundingRect().height() - 10.0), |
| QPointF(boundingRect().width() - 20.0, boundingRect().height()), |
| QPointF(boundingRect().width() - 30.0, boundingRect().height() - 10.0), |
| }; |
| painter->drawConvexPolygon(points, 3); |
| } else { |
| const QPointF points[3] = { |
| QPointF(10.0, boundingRect().height() - 10.0), |
| QPointF(20.0, boundingRect().height()), |
| QPointF(30.0, boundingRect().height() - 10.0), |
| }; |
| painter->drawConvexPolygon(points, 3); |
| } |
| |
| if (m_innerAnim) { |
| painter->fillRect(m_animRect, Qt::lightGray); |
| const int x = m_animRect.x() + m_anim; |
| const int y = m_animRect.y() + m_animRect.height() / 2; |
| painter->setPen(QPen(QBrush(Qt::SolidLine), 4)); |
| painter->drawLine(x + 4, y, x + 10, y); |
| m_anim += 10; |
| if (m_anim > m_animRect.width()) |
| m_anim = 0; |
| } |
| } |
| |
| void TextBalloon::setRightAligned(bool rightAligned) |
| { |
| if (m_rightAligned == rightAligned) |
| return; |
| |
| m_rightAligned = rightAligned; |
| emit rightAlignedChanged(); |
| } |
| |
| void TextBalloon::setInnerAnimEnabled(bool b) |
| { |
| if (m_innerAnim == b) |
| return; |
| |
| m_innerAnim = b; |
| if (!b) |
| m_timer.stop(); |
| else |
| m_timer.start(); |
| emit innerAnimChanged(); |
| } |
| |
| void TextBalloon::onAnim() |
| { |
| update(m_animRect); |
| } |
| |
| class Helper : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| Helper(QQuickWindow *w) : m_window(w) { } |
| |
| Q_INVOKABLE void sleep(int ms) { |
| QThread::msleep(ms); |
| } |
| |
| Q_INVOKABLE void testGrab() { |
| QImage img = m_window->grabWindow(); |
| qDebug() << "Saving image to grab_result.png" << img; |
| img.save("grab_result.png"); |
| } |
| |
| QQuickWindow *m_window; |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| qputenv("QT_QUICK_BACKEND", "d3d12"); |
| |
| QGuiApplication app(argc, argv); |
| |
| qDebug("Available tests:"); |
| qDebug(" [R] - Rectangles"); |
| qDebug(" [4] - A lot of rectangles"); |
| qDebug(" [I] - Images"); |
| qDebug(" [5] - A lot of async images"); |
| qDebug(" [T] - Text"); |
| qDebug(" [A] - Render thread Animator"); |
| qDebug(" [L] - Layers"); |
| qDebug(" [E] - Effects"); |
| qDebug(" [P] - QQuickPaintedItem"); |
| qDebug(" [G] - Grab current window"); |
| qDebug("\nPress S to stop the currently running test\n"); |
| |
| QQuickView view; |
| Helper helper(&view); |
| if (app.arguments().contains(QLatin1String("--multisample"))) { |
| qDebug("Requesting sample count 4"); |
| QSurfaceFormat fmt; |
| fmt.setSamples(4); |
| view.setFormat(fmt); |
| } |
| view.engine()->rootContext()->setContextProperty(QLatin1String("helper"), &helper); |
| qmlRegisterType<TextBalloon>("Stuff", 1, 0, "TextBalloon"); |
| view.setResizeMode(QQuickView::SizeRootObjectToView); |
| view.resize(1024, 768); |
| view.setSource(QUrl("qrc:/main.qml")); |
| view.show(); |
| |
| return app.exec(); |
| } |
| |
| #include "nodetypes.moc" |