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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "MainCanvas.h"
#include "Player.h"
#include "SDLDisplayEngine.h"
#include "AVGNode.h"
#include "../base/Exception.h"
#include "../base/ScopeTimer.h"
#include "../base/Logger.h"
#include "../graphics/GLContext.h"
#include <vector>
using namespace boost;
using namespace std;
namespace avg {
MainCanvas::MainCanvas(Player * pPlayer)
: Canvas(pPlayer)
{
}
MainCanvas::~MainCanvas()
{
}
void MainCanvas::setRoot(NodePtr pRootNode)
{
Canvas::setRoot(pRootNode);
if (!dynamic_pointer_cast<AVGNode>(pRootNode)) {
throw (Exception(AVG_ERR_XML_PARSE,
"Root node of an avg tree needs to be an <avg> node."));
}
}
void MainCanvas::initPlayback(const SDLDisplayEnginePtr& pDisplayEngine)
{
m_pDisplayEngine = pDisplayEngine;
Canvas::initPlayback(GLContext::getMain()->getConfig().m_MultiSampleSamples);
}
BitmapPtr MainCanvas::screenshot() const
{
if (!m_pDisplayEngine) {
throw(Exception(AVG_ERR_UNSUPPORTED,
"MainCanvas::screenshot(): Canvas is not being rendered. No screenshot available."));
}
return m_pDisplayEngine->screenshot();
}
static ProfilingZoneID RootRenderProfilingZone("Render MainCanvas");
void MainCanvas::renderTree()
{
preRender();
glproc::BindFramebuffer(GL_FRAMEBUFFER, 0);
GLContext::checkError("Canvas::renderTree: BindFramebuffer()");
{
ScopeTimer Timer(RootRenderProfilingZone);
Canvas::render(m_pDisplayEngine->getWindowSize(), false);
}
}
}
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