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2b3fc175c2
A further step is moving the qmlglsink element into an extension so there is no need for writing any c++ code!
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/* GStreamer
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*
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* Copyright (C) 2015 Alexandre Moreno <alexmorenocano@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <QPainter>
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#include "imagesample.h"
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ImageSample::ImageSample()
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: QQuickPaintedItem()
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, sample_()
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{
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}
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ImageSample::~ImageSample()
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{
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}
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void ImageSample::paint(QPainter *painter)
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{
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if (sample_.size().isEmpty())
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return;
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float aspect_ratio = sample_.width() / sample_.height();
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int w = height() * aspect_ratio;
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int x = (width() - w) / 2;
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painter->setViewport(x, 0, w, height());
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painter->drawImage(QRectF(0, 0, width(), height()), sample_);
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}
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const QImage &ImageSample::sample() const
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{
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return sample_;
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}
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void ImageSample::setSample(const QImage &sample)
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{
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sample_ = sample;
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update();
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}
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