From 6b4994c265889db2058b7d5850b51ddfc5478754 Mon Sep 17 00:00:00 2001 From: Joerg Bornemann Date: Wed, 5 Dec 2012 13:03:09 +0100 Subject: centralize and fixup example sources install targets This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen Reviewed-by: hjk --- .../customvideowidget/videowidget.cpp | 113 +++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp (limited to 'examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp') diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.cpp new file mode 100644 index 000000000..38c386e6e --- /dev/null +++ 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 +#include + +//! [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] -- cgit v1.2.3