void LoadJPG( const char *filename, unsigned char **pic, int *width, int *height ) {
unsigned char *fbuffer = NULL;
int nLen = vfsLoadFile ((char *)filename, (void **)&fbuffer, 0 );
if (nLen == -1)
return;
if ( LoadJPGBuff( fbuffer, nLen, pic, width, height ) != 0 ) {
g_FuncTable.m_pfnSysPrintf( "WARNING: JPEG library failed to load %s because %s\n", filename, *pic );
*pic = NULL;
}
vfsFreeFile( fbuffer );
}
image_t *ImageLoad( const char *filename )
{
int i;
image_t *image;
char name[ 1024 ];
int size;
byte *buffer = NULL;
qboolean alphaHack = qfalse;
/* init */
ImageInit();
/* dummy check */
if( filename == NULL || filename[ 0 ] == '\0' )
return NULL;
/* strip file extension off name */
strcpy( name, filename );
StripExtension( name );
/* try to find existing image */
image = ImageFind( name );
if( image != NULL )
{
image->refCount++;
return image;
}
/* none found, so find first non-null image */
image = NULL;
for( i = 0; i < MAX_IMAGES; i++ )
{
if( images[ i ].name == NULL )
{
image = &images[ i ];
break;
}
}
/* too many images? */
if( image == NULL )
Error( "MAX_IMAGES (%d) exceeded, there are too many image files referenced by the map.", MAX_IMAGES );
/* set it up */
image->name = safe_malloc( strlen( name ) + 1 );
strcpy( image->name, name );
/* attempt to load tga */
StripExtension( name );
strcat( name, ".tga" );
size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
if( size > 0 )
LoadTGABuffer( buffer, buffer + size, &image->pixels, &image->width, &image->height );
else
{
/* attempt to load png */
StripExtension( name );
strcat( name, ".png" );
size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
if( size > 0 )
LoadPNGBuffer( buffer, size, &image->pixels, &image->width, &image->height );
else
{
/* attempt to load jpg */
StripExtension( name );
strcat( name, ".jpg" );
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 );
alphaHack = qtrue;
}
else
{
/* attempt to load dds */
StripExtension( name );
strcat( name, ".dds" );
size = vfsLoadFile( (const char*) name, (void**) &buffer, 0 );
if( size > 0 )
{
LoadDDSBuffer( buffer, size, &image->pixels, &image->width, &image->height );
/* debug code */
#if 1
{
ddsPF_t pf;
DDSGetInfo( (ddsBuffer_t*) buffer, NULL, NULL, &pf );
Sys_Printf( "pf = %d\n", pf );
if( image->width > 0 )
{
StripExtension( name );
strcat( name, "_converted.tga" );
WriteTGA( "C:\\games\\quake3\\baseq3\\textures\\rad\\dds_converted.tga", image->pixels, image->width, image->height );
}
}
#endif
}
}
}
}
/* free file buffer */
free( buffer );
/* make sure everything's kosher */
if( size <= 0 || image->width <= 0 || image->height <= 0 || image->pixels == NULL )
{
//% Sys_Printf( "size = %d width = %d height = %d pixels = 0x%08x (%s)\n",
//% size, image->width, image->height, image->pixels, name );
free( image->name );
image->name = NULL;
return NULL;
}
/* set filename */
image->filename = safe_malloc( strlen( name ) + 1 );
strcpy( image->filename, name );
/* set count */
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 && pixels != NULL )
Sys_Printf( "WARNING: LoadJPGBuff: %s\n", (unsigned char*) image->pixels );
if(pixels && 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;
}
