anim_bitmap.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:3k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * anim_bitmap.cpp
- *****************************************************************************
- * Copyright (C) 2005 the VideoLAN team
- * $Id: 2f66deccdf650320cbe29fd7b63fa4a13b144ae9 $
- *
- * 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_pImage( NULL ), m_curFrame( 0 ), m_pTimer( NULL ),
- m_cmdNextFrame( this ), m_rBitmap( rBitmap )
- {
- // Build the graphics
- OSFactory *pOsFactory = OSFactory::instance( pIntf );
- m_pImage = pOsFactory->createOSGraphics( rBitmap.getWidth(),
- rBitmap.getHeight() );
- m_pImage->drawBitmap( rBitmap, 0, 0 );
- m_nbFrames = rBitmap.getNbFrames();
- m_frameRate = rBitmap.getFrameRate();
- // Create the timer
- m_pTimer = pOsFactory->createOSTimer( m_cmdNextFrame );
- }
- AnimBitmap::~AnimBitmap()
- {
- delete m_pImage;
- 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();
- }
- void AnimBitmap::draw( OSGraphics &rImage, int xDest, int yDest )
- {
- // 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 );
- // A new way .... needs to be tested thoroughly
- rImage.drawBitmap( m_rBitmap, 0, ySrc, xDest, yDest,
- m_pImage->getWidth(), height, true );
- }
- bool AnimBitmap::hit( int x, int y ) const
- {
- int height = m_pImage->getHeight() / m_nbFrames;
- if( y >= 0 && y < height )
- {
- return m_pImage->hit( x, m_curFrame * height + y );
- }
- else
- {
- return false;
- }
- }
- 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;
- // Notify the observer so that it can display the next frame
- m_pParent->notify();
- }