static int checktarga(TARGA *tga, unsigned char *mem)
{
tga->numid = mem[0];
tga->maptyp = mem[1];
tga->imgtyp = mem[2];
tga->maporig = GSS(mem + 3);
tga->mapsize = GSS(mem + 5);
tga->mapbits = mem[7];
tga->xorig = GSS(mem + 8);
tga->yorig = GSS(mem + 10);
tga->xsize = GSS(mem + 12);
tga->ysize = GSS(mem + 14);
tga->pixsize = mem[16];
tga->imgdes = mem[17];
if (tga->maptyp > 1) return(0);
switch (tga->imgtyp) {
case 1: /* raw cmap */
case 2: /* raw rgb */
case 3: /* raw b&w */
case 9: /* cmap */
case 10: /* rgb */
case 11: /* b&w */
break;
default:
return(0);
}
if (tga->mapsize && tga->mapbits > 32) return(0);
if (tga->xsize <= 0 || tga->xsize >= 8192) return(0);
if (tga->ysize <= 0 || tga->ysize >= 8192) return(0);
if (tga->pixsize > 32) return(0);
if (tga->pixsize == 0) return(0);
return(1);
}
struct ImBuf *IMB_loadiffmem(int *mem, int flags) {
int len,maxlen;
struct ImBuf *ibuf;
// IMB_loadiffmem shouldn't be used anymore in new development
// it's still here to be backwards compatible...
maxlen= (GET_BIG_LONG(mem+1) + 1) & ~1;
if (GET_ID(mem) == CAT) {
mem += 3;
maxlen -= 4;
while(maxlen > 0) {
if (GET_ID(mem) == FORM) {
len = ((GET_BIG_LONG(mem+1) + 1) & ~1) + 8;
if ((GET_ID(mem+2) == ILBM) || (GET_ID(mem+2) == ANIM)) break;
mem = (int *)((uchar *)mem +len);
maxlen -= len;
} else return(0);
}
}
if (maxlen > 0) {
if (GET_ID(mem) == FORM) {
if (GET_ID(mem+2) == ILBM) {
return (imb_loadamiga(mem, flags));
} else if (GET_ID(mem+5) == ILBM) { /* animaties */
return (imb_loadamiga(mem+3, flags));
} else if (GET_ID(mem+2) == ANIM) {
return (imb_loadanim(mem, flags));
}
} else if ((GS(mem) == IMAGIC) || (GSS(mem) == IMAGIC)) {
return (imb_loadiris((uchar *) mem,flags));
} else if ((BIG_LONG(mem[0]) & 0xfffffff0) == 0xffd8ffe0) {
return (0);
}
}
ibuf = imb_loadtarga((uchar *) mem,maxlen,flags);
if (ibuf) return(ibuf);
if (IB_verbose) fprintf(stderr,"Unknown fileformat\n");
return (0);
}
ImBuf *IMB_ibImageFromMemory(int *mem, int size, int flags) {
int len;
struct ImBuf *ibuf;
if (mem == NULL) {
printf("Error in ibImageFromMemory: NULL pointer\n");
} else {
if ((GS(mem) == IMAGIC) || (GSS(mem) == IMAGIC)) {
return (imb_loadiris((uchar *) mem, flags));
} else if (imb_is_a_jpeg((uchar *)mem)) {
return (imb_ibJpegImageFromMemory((uchar *)mem, size, flags));
}
if (GET_ID(mem) == CAT) {
mem += 3;
size -= 4;
while (size > 0) {
if (GET_ID(mem) == FORM) {
len = ((GET_BIG_LONG(mem+1) + 1) & ~1) + 8;
if ((GET_ID(mem+2) == ILBM) || (GET_ID(mem+2) == ANIM)) break;
mem = (int *)((uchar *)mem +len);
size -= len;
} else return(0);
}
}
if (size > 0) {
if (GET_ID(mem) == FORM) {
if (GET_ID(mem+2) == ILBM) {
return (imb_loadamiga(mem, flags));
} else if (GET_ID(mem+5) == ILBM) { /* animaties */
return (imb_loadamiga(mem+3, flags));
} else if (GET_ID(mem+2) == ANIM) {
return (imb_loadanim(mem, flags));
}
}
}
ibuf = imb_loadpng((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
ibuf = imb_bmp_decode((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
ibuf = imb_loadtarga((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
ibuf = imb_loaddpx((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
ibuf = imb_loadcineon((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
if (G.have_libtiff) {
ibuf = imb_loadtiff((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
}
ibuf = imb_loadhdr((uchar*)mem, size, flags);
if (ibuf) return (ibuf);
#ifdef WITH_OPENEXR
ibuf = imb_load_openexr((uchar *)mem, size, flags);
if (ibuf) return (ibuf);
#endif
#ifdef WITH_OPENJPEG
ibuf = imb_jp2_decode((uchar *)mem, size, flags);
if (ibuf) return (ibuf);
#endif
#ifdef WITH_DDS
ibuf = imb_load_dds((uchar *)mem, size, flags);
if (ibuf) return (ibuf);
#endif
#ifdef WITH_QUICKTIME
#if defined(_WIN32) || defined (__APPLE__)
if(G.have_quicktime) {
ibuf = imb_quicktime_decode((uchar *)mem, size, flags);
if (ibuf) return(ibuf);
}
#endif
#endif
if (IB_verbose) fprintf(stderr, "Unknown fileformat\n");
}
return (0);
}