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authorarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-08-25 21:04:29 +0000
committerarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-08-25 21:04:29 +0000
commit9f6529b3d3a1ec681a84735d57a9f2d8656809af (patch)
tree4943e4a95c68932a956ce7a693c58f5b2ed79b37 /Gui/bitmap.c
parent05f7ab93841eef7bf50c31b64bf723c100e0c123 (diff)
downloadmpv-9f6529b3d3a1ec681a84735d57a9f2d8656809af.tar.bz2
mpv-9f6529b3d3a1ec681a84735d57a9f2d8656809af.tar.xz
GUI version n-1
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1694 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'Gui/bitmap.c')
-rw-r--r--Gui/bitmap.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/Gui/bitmap.c b/Gui/bitmap.c
new file mode 100644
index 0000000000..8343058ce2
--- /dev/null
+++ b/Gui/bitmap.c
@@ -0,0 +1,174 @@
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "bitmap.h"
+#include "../error.h"
+
+#define BMP 1
+#define TGA 2
+#define PNG 3
+#define TGAPACKED 4
+
+extern char * strcat( char * dest,const char * src );
+
+int conv24to32( txSample * bf )
+{
+ unsigned char * tmpImage;
+ int i,c;
+
+ if ( bf->BPP == 24 )
+ {
+ tmpImage=bf->Image;
+ bf->ImageSize=bf->Width * bf->Height * 4;
+ bf->BPP=32;
+ if ( ( bf->Image=malloc( bf->ImageSize ) ) == NULL )
+ {
+ #ifdef DEBUG
+ dbprintf( 4,"[bitmap] Not enough memory for image.\n" );
+ #endif
+ return 1;
+ }
+ memset( bf->Image,0,bf->ImageSize );
+ for ( c=0,i=0;i < bf->Width * bf->Height * 3; )
+ {
+ bf->Image[c++]=tmpImage[i++];
+ bf->Image[c++]=tmpImage[i++];
+ bf->Image[c++]=tmpImage[i++]; c++;
+ }
+ free( tmpImage );
+ }
+ return 0;
+}
+
+void bgr2rgb( txSample * bf )
+{
+ unsigned char c;
+ int i;
+
+ for ( i=0;i < bf->ImageSize;i+=4 )
+ {
+ c=bf->Image[i];
+ bf->Image[i]=bf->Image[i+2];
+ bf->Image[i+2]=c;
+ }
+}
+
+void Normalize( txSample * bf )
+{
+ int i;
+
+ for ( i=0;i < bf->ImageSize;i+=4 ) bf->Image[i+3]=0;
+}
+
+unsigned char tmp[512];
+
+unsigned char * fExist( unsigned char * fname )
+{
+ FILE * fl;
+ unsigned char ext[][6] = { ".tga\0",".TGA\0",".png\0",".PNG\0",".bmp\0",".BMP\0" };
+ int i;
+
+ fl=fopen( fname,"rb" );
+ if ( fl != NULL )
+ {
+ fclose( fl );
+ return fname;
+ }
+ for ( i=0;i<10;i++ )
+ {
+ strcpy( tmp,fname );
+ strcat( tmp,ext[i] );
+ fl=fopen( tmp,"rb" );
+ if ( fl != NULL )
+ {
+ fclose( fl );
+ return tmp;
+ }
+ }
+ return NULL;
+}
+
+int aComp( unsigned char * b1,unsigned char * b2,int size )
+{
+ int i;
+ for( i=0;i<size;i++ ) if ( b1[i] != b2[i] ) return 0;
+ return 1;
+}
+
+int GetFileType( char * fname )
+{
+ FILE * fl;
+ unsigned char buffer[10];
+ unsigned char bmp[2] = { 0x42,0x4d };
+ unsigned char tga[7] = { 0x00,0x02,0x00,0x00,0x00,0x00,0x00 };
+ unsigned char ptga[7] = { 0x00,0x0a,0x00,0x00,0x00,0x00,0x00 };
+ unsigned char png[8] = { 0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a };
+
+ if ( ( fl=fopen( fname,"rb" ) ) == NULL ) return -1;
+ fread( buffer,1,10,fl );
+ fclose( fl );
+
+ if ( aComp( buffer,bmp,2 ) ) return BMP; // --- bmp
+ if ( aComp( &buffer[1],tga,8 ) ) return TGA; // --- tga
+ if ( aComp( &buffer[1],ptga,7 ) ) return TGAPACKED; // --- tga
+ if ( aComp( buffer,png,8 ) ) return PNG; // --- png
+ return 0; // --- others
+}
+
+int bpRead( char * fname, txSample * bf )
+{
+ int bgr = 0;
+ int i;
+
+ fname=fExist( fname );
+ if ( fname == NULL ) return -2;
+ switch ( GetFileType( fname ) )
+ {
+ case BMP:
+ i=bmpRead( fname,bf );
+ switch ( i )
+ {
+ case 0: break;
+ case 3: return -1;
+ default: return -3;
+ }
+ break;
+ case TGA:
+ i=tgaRead( fname,bf );
+ switch ( i )
+ {
+ case 0: break;
+ case 3: return -1;
+ default: return -4;
+ }
+ break;
+ case PNG:
+ if ( pngRead( fname,bf ) ) return -5;
+ bgr=1;
+ break;
+ case TGAPACKED:
+ #ifdef DEBUG
+ dbprintf( 4,"[bitmap] sorry, packed TGA not supported.\n" );
+ #endif
+ return -6;
+ default:
+ {
+ #ifdef DEBUG
+ dbprintf( 4,"[bitmap] Unknown file type ( %s ).\n",fname );
+ #endif
+ return -7;
+ }
+ }
+ if ( bf->BPP < 24 )
+ {
+ #ifdef DEBUG
+ dbprintf( 4,"[bitmap] sorry, 16 or less bitmaps not supported.\n" );
+ #endif
+ return -1;
+ }
+ if ( conv24to32( bf ) ) return -8;
+ if ( bgr ) bgr2rgb( bf );
+ Normalize( bf );
+ return 0;
+}