/* get dds info */
if ( DDSGetInfo( (ddsBuffer_t*) buffer, &w, &h, &pf ) ) {
- Sys_Printf( "WARNING: Invalid DDS texture\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: Invalid DDS texture\n" );
return;
}
/* only certain types of dds textures are supported */
if ( pf != DDS_PF_ARGB8888 && pf != DDS_PF_DXT1 && pf != DDS_PF_DXT3 && pf != DDS_PF_DXT5 ) {
- Sys_Printf( "WARNING: Only DDS texture formats ARGB8888, DXT1, DXT3, and DXT5 are supported (%d)\n", pf );
+ Sys_FPrintf( SYS_WRN, "WARNING: Only DDS texture formats ARGB8888, DXT1, DXT3, and DXT5 are supported (%d)\n", pf );
return;
}
DDSDecompress( (ddsBuffer_t*) buffer, *pixels );
}
+#ifdef BUILD_CRUNCH
+/*
+ LoadCRNBuffer
+ loads a crn image into a valid rgba image
+*/
+void LoadCRNBuffer( byte *buffer, int size, byte **pixels, int *width, int *height) {
+ /* dummy check */
+ if ( buffer == NULL || size <= 0 || pixels == NULL || width == NULL || height == NULL ) {
+ return;
+ }
+ if ( !GetCRNImageSize( buffer, size, width, height ) ) {
+ Sys_FPrintf( SYS_WRN, "WARNING: Error getting crn imag dimensions.\n");;
+ return;
+ }
+ int outBufSize = *width * *height * 4;
+ *pixels = safe_malloc( outBufSize );
+ if ( !ConvertCRNtoRGBA( buffer, size, outBufSize, *pixels) ) {
+ Sys_FPrintf( SYS_WRN, "WARNING: Error decoding crn image.\n", 0 );
+ return;
+ }
+}
+#endif // BUILD_CRUNCH
/*
typedef struct pngBuffer_s
{
byte *buffer;
- int size, offset;
-}
-pngBuffer_t;
+ png_size_t size, offset;
+} pngBuffer_t;
void PNGReadData( png_struct *png, png_byte *buffer, png_size_t size ){
pngBuffer_t *pb = (pngBuffer_t*) png_get_io_ptr( png );
static void LoadPNGBuffer( byte *buffer, int size, byte **pixels, int *width, int *height ){
png_struct *png;
png_info *info, *end;
- pngBuffer_t *pb = (pngBuffer_t*) png_get_io_ptr( png );
- int i, bitDepth, colorType, channels;
- png_uint_32 w, h;
+ pngBuffer_t pb;
+ int bitDepth, colorType;
+ png_uint_32 w, h, i;
byte **rowPointers;
/* dummy check */
/* determine if this is a png file */
if ( png_sig_cmp( buffer, 0, 8 ) != 0 ) {
- Sys_Printf( "WARNING: Invalid PNG file\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: Invalid PNG file\n" );
return;
}
/* create png structs */
png = png_create_read_struct( PNG_LIBPNG_VER_STRING, NULL, NULL, NULL );
if ( png == NULL ) {
- Sys_Printf( "WARNING: Unable to create PNG read struct\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: Unable to create PNG read struct\n" );
return;
}
info = png_create_info_struct( png );
if ( info == NULL ) {
- Sys_Printf( "WARNING: Unable to create PNG info struct\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: Unable to create PNG info struct\n" );
png_destroy_read_struct( &png, NULL, NULL );
return;
}
end = png_create_info_struct( png );
if ( end == NULL ) {
- Sys_Printf( "WARNING: Unable to create PNG end info struct\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: Unable to create PNG end info struct\n" );
png_destroy_read_struct( &png, &info, NULL );
return;
}
/* set read callback */
- pb->buffer = buffer;
- pb->size = size;
- pb->offset = 0;
+ pb.buffer = buffer;
+ pb.size = size;
+ pb.offset = 0;
png_set_read_fn( png, &pb, PNGReadData );
- //png->io_ptr = &pb; /* hack! */
/* set error longjmp */
if ( setjmp( png_jmpbuf(png) ) ) {
- Sys_Printf( "WARNING: An error occurred reading PNG image\n" );
+ Sys_FPrintf( SYS_WRN, "WARNING: An error occurred reading PNG image\n" );
png_destroy_read_struct( &png, &info, &end );
return;
}
png_get_IHDR( png, info,
&w, &h, &bitDepth, &colorType, NULL, NULL, NULL );
- /* read number of channels */
- channels = png_get_channels( png, info );
-
/* the following will probably bork on certain types of png images, but hey... */
/* force indexed/gray/trans chunk to rgb */
char name[ 1024 ];
int size;
byte *buffer = NULL;
+ qboolean alphaHack = qfalse;
/* init */
size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
if ( size > 0 ) {
if ( LoadJPGBuff( buffer, size, &image->pixels, &image->width, &image->height ) == -1 && image->pixels != NULL ) {
- Sys_Printf( "WARNING: LoadJPGBuff: %s\n", (unsigned char*) image->pixels );
+ // On error, LoadJPGBuff might store a pointer to the error message in image->pixels
+ Sys_FPrintf( SYS_WRN, "WARNING: LoadJPGBuff: %s\n", (unsigned char*) image->pixels );
}
+ alphaHack = qtrue;
}
else
{
}
#endif
}
+ else
+ {
+ /* attempt to load ktx */
+ StripExtension( name );
+ strcat( name, ".ktx" );
+ size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
+ if ( size > 0 ) {
+ LoadKTXBufferFirstImage( buffer, size, &image->pixels, &image->width, &image->height );
+ }
+ #ifdef BUILD_CRUNCH
+ else
+ {
+ /* attempt to load crn */
+ StripExtension( name );
+ strcat( name, ".crn" );
+ size = vfsLoadFile( ( const char* ) name, ( void** ) &buffer, 0 );
+ if ( size > 0 ) {
+ LoadCRNBuffer( buffer, size, &image->pixels, &image->width, &image->height );
+ }
+ }
+ #endif // BUILD_CRUNCH
+ }
}
}
}
image->refCount = 1;
numImages++;
+ if ( alphaHack ) {
+ StripExtension( name );
+ strcat( name, "_alpha.jpg" );
+ size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
+ if ( size > 0 ) {
+ unsigned char *pixels;
+ int width, height;
+ if ( LoadJPGBuff( buffer, size, &pixels, &width, &height ) == -1 ) {
+ if (pixels) {
+ // On error, LoadJPGBuff might store a pointer to the error message in pixels
+ Sys_FPrintf( SYS_WRN, "WARNING: LoadJPGBuff %s %s\n", name, (unsigned char*) pixels );
+ }
+ } else {
+ if ( width == image->width && height == image->height ) {
+ int i;
+ for ( i = 0; i < width * height; ++i )
+ image->pixels[4 * i + 3] = pixels[4 * i + 2]; // copy alpha from blue channel
+ }
+ free( pixels );
+ }
+ free( buffer );
+ }
+ }
+
/* return the image */
return image;
}