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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "tga.h"
int tgaRead( char * filename,txSample * bf )
{
FILE * BMP;
unsigned long i;
char tmp[255];
unsigned char * line;
int linesize;
char * comment;
tgaHeadert tgaHeader;
strcpy( tmp,filename );
if ( !strstr( tmp,".tga" ) ) strcat( tmp,".tga" );
if ( (BMP=fopen( tmp,"rb" )) == NULL )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] File not found ( %s ).\n",tmp );
return 1;
}
if ( (i=fread( &tgaHeader,sizeof( tgaHeader ),1,BMP )) != 1 )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Header read error ( %s ).\n",tmp );
return 2;
}
if ( tgaHeader.depth < 24 )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Sorry, this loader not supported 16 bit or less ...\n" );
return 3;
}
bf->Width=tgaHeader.sx;
bf->Height=tgaHeader.sy;
bf->BPP=tgaHeader.depth;
bf->ImageSize=bf->Width * bf->Height * ( bf->BPP / 8 );
if ( ( bf->Image=malloc( bf->ImageSize ) ) == NULL )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Not enough memory for image buffer.\n" );
return 4;
}
comment=NULL;
if ( tgaHeader.tmp[0] != 0 )
{
if ( ( comment=malloc( tgaHeader.tmp[0] + 1 ) ) == NULL )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Not enough memory for comment string.\n" );
return 5;
}
memset( comment,0,tgaHeader.tmp[0] + 1 );
if ( fread( comment,tgaHeader.tmp[0],1,BMP ) != 1 )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Comment read error.\n" );
return 6;
}
}
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] filename ( read ): %s\n",tmp );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] size: %dx%d bits: %d\n",bf->Width,bf->Height,bf->BPP );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] imagesize: %lu\n",bf->ImageSize );
#ifdef MP_DEBUG
if ( comment ) mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] comment: %s\n",comment );
#endif
if ( comment ) free( comment );
if ( fread( bf->Image,bf->ImageSize,1,BMP ) != 1 )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Image read error.\n" );
return 7;
}
fclose( BMP );
if ( tgaHeader.ctmp == 0 )
{
linesize=bf->Width * ( bf->BPP / 8 );
if ( (line=malloc( linesize )) == NULL )
{
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] Not enough memory for flipping.\n" );
return 8;
}
for ( i=0;i < bf->Height / 2;i++ )
{
memcpy( line,&bf->Image[ i * linesize ],linesize );
memcpy( &bf->Image[ i * linesize ],&bf->Image[ ( bf->Height - i - 1 ) * linesize ],linesize );
memcpy( &bf->Image[ ( bf->Height - i - 1 ) * linesize ],line,linesize );
}
free( line );
}
return 0;
}
char comment[] = "fresh!mindworkz's TGA Filter. v0.1";
void tgaWriteTexture( char * filename,txSample * bf )
{
FILE * BMP;
int i;
unsigned char * line;
int linesize;
tgaHeadert tgaHeader;
char tmp[255];
strcpy( tmp,filename );
if ( !strstr( tmp,".tga" ) ) strcat( tmp,".tga" );
if ( ( BMP=fopen( tmp,"wb+" ) ) == NULL )
{
mp_msg( MSGT_GPLAYER,MSGL_STATUS,"[tga] File not open ( %s ).\n",tmp );
exit( 0 );
}
memset( &tgaHeader,0,sizeof( tgaHeader ) );
tgaHeader.sx=bf->Width;
tgaHeader.sy=bf->Height;
tgaHeader.depth=bf->BPP;
tgaHeader.ctmp=0;
tgaHeader.tmp[0]=strlen( comment );
if ( bf->BPP != 8 ) tgaHeader.tmp[2]=2;
else tgaHeader.tmp[2]=3;
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"\n[tga] filename ( write ): %s\n",tmp );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] size: %dx%d\n",bf->Width,bf->Height );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] bits: %d\n",bf->BPP );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] imagesize: %lu\n",bf->ImageSize );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[tga] comment: %s\n",comment );
mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"\n" );
if ( tgaHeader.ctmp == 0 )
{
linesize=bf->Width * ( bf->BPP / 8 );
if ( (line=malloc( linesize )) == NULL )
{
mp_msg( MSGT_GPLAYER,MSGL_STATUS,"[tga] Not enough memory for flipping.\n" );
exit( 0 );
}
for ( i=0;i < bf->Height / 2;i++ )
{
memcpy( line,&bf->Image[ i * linesize ],linesize );
memcpy( &bf->Image[ i * linesize ],&bf->Image[ ( bf->Height - i - 1 ) * linesize ],linesize );
memcpy( &bf->Image[ ( bf->Height - i - 1 ) * linesize ],line,linesize );
}
free( line );
}
fwrite( &tgaHeader,sizeof( tgaHeader ),1,BMP );
fwrite( comment,strlen( comment ),1,BMP );
fwrite( bf->Image,bf->ImageSize,1,BMP );
fclose( BMP );
}
void tgaWriteBuffer( char * fname,unsigned char * Buffer,int sx,int sy,int BPP )
{
txSample tmp;
memset( &tmp,0,sizeof( tmp ) );
tmp.Width=sx;
tmp.Height=sy;
tmp.BPP=BPP;
tmp.ImageSize=sx * sy * ( BPP / 8 );
tmp.Image=Buffer;
tgaWriteTexture( fname,&tmp );
}
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