/*****************************************************************************
* anim_bitmap.cpp
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "anim_bitmap.hpp"
#include "generic_bitmap.hpp"
#include "os_factory.hpp"
#include "os_graphics.hpp"
#include "os_timer.hpp"
AnimBitmap::AnimBitmap( intf_thread_t *pIntf, const GenericBitmap &rBitmap ):
SkinObject( pIntf ),
m_rBitmap( rBitmap ), m_pImage( rBitmap.getGraphics() ),
m_nbFrames( rBitmap.getNbFrames() ), m_frameRate( rBitmap.getFrameRate() ),
m_nbLoops( rBitmap.getNbLoops() ), m_curFrame( 0 ), m_curLoop( 0 ),
m_pTimer( NULL ), m_cmdNextFrame( this )
{
OSFactory *pOsFactory = OSFactory::instance( pIntf );
// Create the timer
m_pTimer = pOsFactory->createOSTimer( m_cmdNextFrame );
}
AnimBitmap::~AnimBitmap()
{
delete m_pTimer;
}
void AnimBitmap::startAnim()
{
if( m_nbFrames > 1 && m_frameRate > 0 )
m_pTimer->start( 1000 / m_frameRate, false );
}
void AnimBitmap::stopAnim()
{
m_pTimer->stop();
m_curLoop = 0;
m_curFrame = 0;
}
void AnimBitmap::draw( OSGraphics &rImage, int xDest, int yDest, int w, int h,
int xOffset, int yOffset )
{
// Draw the current frame
int height = m_pImage->getHeight() / m_nbFrames;
int ySrc = height * m_curFrame;
// The old way .... transparency was not taken care of
// rImage.drawGraphics( *m_pImage, 0, ySrc, xDest, yDest,
// m_pImage->getWidth(), height );
rImage.drawBitmap( m_rBitmap,
xOffset, ySrc + yOffset,
xDest, yDest, w, h, true );
}
bool AnimBitmap::hit( int x, int y ) const
{
int height = m_pImage->getHeight() / m_nbFrames;
return y >= 0 && y < height &&
m_pImage->hit( x, m_curFrame * height + y );
}
int AnimBitmap::getWidth() const
{
return m_pImage->getWidth();
}
int AnimBitmap::getHeight() const
{
return m_pImage->getHeight() / m_nbFrames;
}
void AnimBitmap::CmdNextFrame::execute()
{
// Go the next frame
m_pParent->m_curFrame = ( m_pParent->m_curFrame + 1 ) %
m_pParent->m_nbFrames;
if( m_pParent->m_nbLoops > 0 && m_pParent->m_curFrame == 0 )
{
m_pParent->m_curLoop += 1;
if( m_pParent->m_curLoop == m_pParent->m_nbLoops )
{
m_pParent->stopAnim();
m_pParent->m_curFrame = m_pParent->m_nbFrames - 1;
}
}
// Notify the observer so that it can display the next frame
m_pParent->notify();
}
bool AnimBitmap::operator ==( const AnimBitmap& rOther ) const
{
return &m_rBitmap == &rOther.m_rBitmap
&& m_nbFrames == rOther.m_nbFrames
&& m_frameRate == rOther.m_frameRate
&& m_nbLoops == rOther.m_nbLoops;
}
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