diff options
Diffstat (limited to 'Gui/bitmap/tga/tga.c')
| -rw-r--r-- | Gui/bitmap/tga/tga.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/Gui/bitmap/tga/tga.c b/Gui/bitmap/tga/tga.c new file mode 100644 index 0000000000..bf8e3e849c --- /dev/null +++ b/Gui/bitmap/tga/tga.c @@ -0,0 +1,189 @@ + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +#include "tga.h" +#include "../../error.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 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] File not found ( %s ).\n",tmp ); + #endif + return 1; + } + if ( (i=fread( &tgaHeader,sizeof( tgaHeader ),1,BMP )) != 1 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Header read error ( %s ).\n",tmp ); + #endif + return 2; + } + if ( tgaHeader.depth < 24 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Sorry, this loader not supported 16 bit or less ...\n" ); + #endif + 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 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Not enough memory for image buffer.\n" ); + #endif + return 4; + } + + comment=NULL; + if ( tgaHeader.tmp[0] != 0 ) + { + if ( ( comment=malloc( tgaHeader.tmp[0] + 1 ) ) == NULL ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Not enough memory for comment string.\n" ); + #endif + return 5; + } + memset( comment,0,tgaHeader.tmp[0] + 1 ); + if ( fread( comment,tgaHeader.tmp[0],1,BMP ) != 1 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Comment read error.\n" ); + #endif + return 6; + } + } + + #ifdef DEBUG + dbprintf( 4,"[tga] filename ( read ): %s\n",tmp ); + dbprintf( 4,"[tga] size: %dx%d bits: %d\n",bf->Width,bf->Height,bf->BPP ); + dbprintf( 4,"[tga] imagesize: %lu\n",bf->ImageSize ); + if ( comment ) dbprintf( 4,"[tga] comment: %s\n",comment ); + #endif + + if ( comment ) free( comment ); + + if ( fread( bf->Image,bf->ImageSize,1,BMP ) != 1 ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Image read error.\n" ); + #endif + return 7; + } + + fclose( BMP ); + + if ( tgaHeader.ctmp == 0 ) + { + linesize=bf->Width * ( bf->BPP / 8 ); + if ( (line=malloc( linesize )) == NULL ) + { + #ifdef DEBUG + dbprintf( 4,"[tga] Not enough memory for flipping.\n" ); + #endif + 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 ) + { + dbprintf( 0,"[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; + + #ifdef DEBUG + dbprintf( 4,"\n[tga] filename ( write ): %s\n",tmp ); + dbprintf( 4,"[tga] size: %dx%d\n",bf->Width,bf->Height ); + dbprintf( 4,"[tga] bits: %d\n",bf->BPP ); + dbprintf( 4,"[tga] imagesize: %lu\n",bf->ImageSize ); + dbprintf( 4,"[tga] comment: %s\n",comment ); + dbprintf( 4,"\n" ); + #endif + + if ( tgaHeader.ctmp == 0 ) + { + linesize=bf->Width * ( bf->BPP / 8 ); + if ( (line=malloc( linesize )) == NULL ) + { + dbprintf( 0,"[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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