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Diffstat (limited to 'examples/qpa/qrasterwindow/main.cpp')
| -rw-r--r-- | examples/qpa/qrasterwindow/main.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/examples/qpa/qrasterwindow/main.cpp b/examples/qpa/qrasterwindow/main.cpp deleted file mode 100644 index 699c950c27..0000000000 --- a/examples/qpa/qrasterwindow/main.cpp +++ /dev/null @@ -1,138 +0,0 @@ -/**************************************************************************** - ** - ** Copyright (C) 2016 The Qt Company Ltd. - ** Contact: https://www.qt.io/licensing/ - ** - ** This file is part of the examples of the Qt Toolkit. - ** - ** $QT_BEGIN_LICENSE:BSD$ - ** Commercial License Usage - ** Licensees holding valid commercial Qt licenses may use this file in - ** accordance with the commercial license agreement provided with the - ** Software or, alternatively, in accordance with the terms contained in - ** a written agreement between you and The Qt Company. For licensing terms - ** and conditions see https://www.qt.io/terms-conditions. For further - ** information use the contact form at https://www.qt.io/contact-us. - ** - ** BSD License Usage - ** Alternatively, you may use this file under the terms of the BSD license - ** as follows: - ** - ** "Redistribution and use in source and binary forms, with or without - ** modification, are permitted provided that the following conditions are - ** met: - ** * Redistributions of source code must retain the above copyright - ** notice, this list of conditions and the following disclaimer. - ** * Redistributions in binary form must reproduce the above copyright - ** notice, this list of conditions and the following disclaimer in - ** the documentation and/or other materials provided with the - ** distribution. - ** * Neither the name of The Qt Company Ltd nor the names of its - ** contributors may be used to endorse or promote products derived - ** from this software without specific prior written permission. - ** - ** - ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." - ** - ** $QT_END_LICENSE$ - ** - ****************************************************************************/ - -#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, SIGNAL(timeout()), this, SLOT(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" |