1 files changed, 91 insertions, 0 deletions
diff --git a/tests/manual/examples/qpa/qrasterwindow/main.cpp b/tests/manual/examples/qpa/qrasterwindow/main.cpp
new file mode 100644
index 0000000000..9c245bf8a1
--- /dev/null
+++ b/tests/manual/examples/qpa/qrasterwindow/main.cpp
@@ -0,0 +1,91 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QRasterWindow>
+#include <QPainter>
+#include <QPainterPath>
+#include <QGuiApplication>
+#include <QMatrix4x4>
+#include <QTimer>
+
+static QPainterPath painterPathForTriangle()
+{
+    static const QPointF bottomLeft(-1.0, -1.0);
+    static const QPointF top(0.0, 1.0);
+    static const QPointF bottomRight(1.0, -1.0);
+
+    QPainterPath path(bottomLeft);
+    path.lineTo(top);
+    path.lineTo(bottomRight);
+    path.closeSubpath();
+    return path;
+}
+
+class PaintedWindow : public QRasterWindow
+{
+    Q_OBJECT
+
+public:
+    PaintedWindow()
+    {
+        m_view.lookAt(QVector3D(3,1,1),
+                      QVector3D(0,0,0),
+                      QVector3D(0,1,0));
+        m_timer.setInterval(16);
+        connect(&m_timer, &QTimer::timeout, this, qOverload<>(&PaintedWindow::update));
+        m_timer.start();
+    }
+
+protected:
+    void paintEvent(QPaintEvent *)
+    {
+        QPainter p(this);
+        p.fillRect(QRect(0,0,width(),height()),Qt::gray);
+
+        p.setWorldTransform(m_window_matrix.toTransform());
+
+        QMatrix4x4 mvp = m_projection * m_view * m_model;
+        p.setTransform(mvp.toTransform(), true);
+
+        p.fillPath(painterPathForTriangle(), m_brush);
+
+        m_model.rotate(1, 0, 1, 0);
+    }
+
+    void resizeEvent(QResizeEvent *)
+    {
+        m_window_matrix = QTransform();
+        m_window_matrix.translate(width() / 2.0, height() / 2.0);
+        m_window_matrix.scale(width() / 2.0, -height() / 2.0);
+
+        m_projection.setToIdentity();
+        m_projection.perspective(45.f, qreal(width()) / qreal(height()), 0.1f, 100.f);
+
+        QLinearGradient gradient(QPointF(-1,-1), QPointF(1,1));
+        gradient.setColorAt(0, Qt::red);
+        gradient.setColorAt(1, Qt::green);
+
+        m_brush = QBrush(gradient);
+    }
+
+private:
+    QMatrix4x4 m_window_matrix;
+    QMatrix4x4 m_projection;
+    QMatrix4x4 m_view;
+    QMatrix4x4 m_model;
+    QBrush m_brush;
+    QTimer m_timer;
+};
+
+int main (int argc, char **argv)
+{
+    QGuiApplication app(argc, argv);
+
+    PaintedWindow window;
+    window.create();
+    window.show();
+
+    return app.exec();
+}
+
+#include "main.moc"