1 files changed, 113 insertions, 0 deletions
diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp
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index 000000000..38c386e6e
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+++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia Plc 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);
+
+    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 = region.subtracted(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]