100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2014)
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#include "GLWidgetRenderer2.h"
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#if !(REMOVE_RENDERER2)
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#include "../OpenGLRendererBase_p.h"
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#include <QResizeEvent>
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namespace FAV {
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class GLWidgetRenderer2Private : public OpenGLRendererBasePrivate
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{
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public:
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GLWidgetRenderer2Private(QPaintDevice *pd)
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: OpenGLRendererBasePrivate(pd)
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{}
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};
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VideoRendererId GLWidgetRenderer2::id() const
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{
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return VideoRendererId_GLWidget2;
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}
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GLWidgetRenderer2::GLWidgetRenderer2(QWidget *parent, const QGLWidget* shareWidget, Qt::WindowFlags f):
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QGLWidget(parent, shareWidget, f)
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, OpenGLRendererBase(*new GLWidgetRenderer2Private(this))
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{
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setAcceptDrops(true);
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setFocusPolicy(Qt::StrongFocus);
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/* To rapidly update custom widgets that constantly paint over their entire areas with
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* opaque content, e.g., video streaming widgets, it is better to set the widget's
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* Qt::WA_OpaquePaintEvent, avoiding any unnecessary overhead associated with repainting the
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* widget's background
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*/
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setAttribute(Qt::WA_OpaquePaintEvent);
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setAttribute(Qt::WA_NoSystemBackground);
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//default: swap in qpainter dtor. we should swap before QPainter.endNativePainting()
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setAutoBufferSwap(false);
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setAutoFillBackground(false);
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}
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void GLWidgetRenderer2::initializeGL()
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{
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// already current
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onInitializeGL();
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}
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void GLWidgetRenderer2::paintGL()
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{
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DPTR_D(GLWidgetRenderer2);
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/* we can mix gl and qpainter.
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* QPainter painter(this);
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* painter.beginNativePainting();
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* gl functions...
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* painter.endNativePainting();
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* swapBuffers();
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*/
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handlePaintEvent();
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swapBuffers();
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if (d.painter && d.painter->isActive())
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d.painter->end();
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}
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void GLWidgetRenderer2::resizeGL(int w, int h)
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{
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onResizeGL(w, h);
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}
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void GLWidgetRenderer2::resizeEvent(QResizeEvent *e)
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{
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onResizeEvent(e->size().width(), e->size().height());
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QGLWidget::resizeEvent(e); //will call resizeGL(). TODO:will call paintEvent()?
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}
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void GLWidgetRenderer2::showEvent(QShowEvent *)
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{
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onShowEvent();
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resizeGL(width(), height());
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}
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} //namespace FAV
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#endif // #if !(REMOVE_RENDERER2)
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