1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include <vlc_common.h>
30 #include <vlc_image.h>
32 #include "file_bitmap.hpp"
34 FileBitmap::FileBitmap( intf_thread_t *pIntf, image_handler_t *pImageHandler,
35 string fileName, uint32_t aColor, int nbFrames,
36 int fps, int nbLoops ):
37 GenericBitmap( pIntf, nbFrames, fps, nbLoops ), m_width( 0 ), m_height( 0 ),
40 video_format_t fmt_in = {0}, fmt_out = {0};
43 fmt_out.i_chroma = VLC_CODEC_RGBA;
45 char* psz_uri = make_URI( fileName.c_str() );
46 pPic = image_ReadUrl( pImageHandler, psz_uri, &fmt_in, &fmt_out );
52 m_width = fmt_out.i_width;
53 m_height = fmt_out.i_height;
55 m_pData = new uint8_t[m_height * m_width * 4];
57 // Compute the alpha layer
58 uint8_t *pData = m_pData, *pSrc = pPic->p->p_pixels;
59 for( int y = 0; y < m_height; y++ )
61 for( int x = 0; x < m_width; x++ )
68 *(pData++) = b * a / 255;
69 *(pData++) = g * a / 255;
70 *(pData++) = r * a / 255;
72 // Transparent pixel ?
73 if( aColor == (r<<16 | g<<8 | b) )
83 pSrc += pPic->p->i_pitch - m_width * 4;
86 picture_Release( pPic );
91 FileBitmap::~FileBitmap()
97 uint8_t *FileBitmap::getData() const
101 msg_Warn( getIntf(), "FileBitmap::getData() returns NULL" );