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-rw-r--r--examples/videowidget/videowidget.cpp114
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diff --git a/examples/videowidget/videowidget.cpp b/examples/videowidget/videowidget.cpp
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--- a/examples/videowidget/videowidget.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 Nokia Corporation and its Subsidiary(-ies) 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 "videowidget.h"
-
-#include "videowidgetsurface.h"
-
-#include <QtWidgets>
-#include <qvideosurfaceformat.h>
-
-//! [0]
-VideoWidget::VideoWidget(QWidget *parent)
- : QWidget(parent)
- , surface(0)
-{
- setAutoFillBackground(false);
- setAttribute(Qt::WA_NoSystemBackground, true);
- setAttribute(Qt::WA_PaintOnScreen, true);
-
- QPalette palette = this->palette();
- palette.setColor(QPalette::Background, Qt::black);
- setPalette(palette);
-
- setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
-
- surface = new VideoWidgetSurface(this);
-}
-//! [0]
-
-//! [1]
-VideoWidget::~VideoWidget()
-{
- delete surface;
-}
-//! [1]
-
-//! [2]
-QSize VideoWidget::sizeHint() const
-{
- return surface->surfaceFormat().sizeHint();
-}
-//! [2]
-
-
-//! [3]
-void VideoWidget::paintEvent(QPaintEvent *event)
-{
- QPainter painter(this);
-
- if (surface->isActive()) {
- const QRect videoRect = surface->videoRect();
-
- if (!videoRect.contains(event->rect())) {
- QRegion region = event->region();
- region.subtract(videoRect);
-
- QBrush brush = palette().background();
-
- foreach (const QRect &rect, region.rects())
- painter.fillRect(rect, brush);
- }
-
- surface->paint(&painter);
- } else {
- painter.fillRect(event->rect(), palette().background());
- }
-}
-//! [3]
-
-//! [4]
-void VideoWidget::resizeEvent(QResizeEvent *event)
-{
- QWidget::resizeEvent(event);
-
- surface->updateVideoRect();
-}
-//! [4]