static struct ImBuf *imb_load_dpx_cineon(unsigned char *mem, int use_cineon, int size, int flags)
{
ImBuf *ibuf;
LogImageFile *image;
int x, y;
unsigned short *row, *upix;
int width, height, depth;
float *frow;
logImageSetVerbose((G.f & G_DEBUG) ? 1:0);
image = logImageOpenFromMem(mem, size, use_cineon);
if (!image) {
printf("no image!\n");
return NULL;
}
logImageGetSize(image, &width, &height, &depth);
if (depth != 3) { /*need to do greyscale loading eventually.*/
logImageClose(image);
return NULL;
}
if (width == 0 && height == 0) {
logImageClose(image);
return NULL;
}
ibuf = IMB_allocImBuf(width, height, 32, IB_rectfloat | flags);
row = MEM_mallocN(sizeof(unsigned short)*width*depth, "row in cineon_dpx.c");
frow = ibuf->rect_float+width*height*4;
for (y = 0; y < height; y++) {
logImageGetRowBytes(image, row, y); /* checks image->params.doLogarithm and convert */
upix = row;
frow -= width*4;
for (x=0; x<width; x++) {
*(frow++) = ((float)*(upix++)) / 65535.0f;
*(frow++) = ((float)*(upix++)) / 65535.0f;
*(frow++) = ((float)*(upix++)) / 65535.0f;
*(frow++) = 1.0f;
}
frow -= width*4;
}
MEM_freeN(row);
logImageClose(image);
if (flags & IB_rect) {
IMB_rect_from_float(ibuf);
}
return ibuf;
}
static struct ImBuf *imb_load_dpx_cineon(unsigned char *mem, size_t size, int use_cineon, int flags,
char colorspace[IM_MAX_SPACE])
{
ImBuf *ibuf;
LogImageFile *image;
int width, height, depth;
colorspace_set_default_role(colorspace, IM_MAX_SPACE, COLOR_ROLE_DEFAULT_FLOAT);
logImageSetVerbose((G.f & G_DEBUG) ? 1 : 0);
image = logImageOpenFromMemory(mem, size);
if (image == 0) {
printf("DPX/Cineon: error opening image.\n");
return 0;
}
logImageGetSize(image, &width, &height, &depth);
if (width == 0 || height == 0) {
logImageClose(image);
return 0;
}
ibuf = IMB_allocImBuf(width, height, 32, IB_rectfloat | flags);
if (ibuf == 0) {
logImageClose(image);
return 0;
}
if (logImageGetDataRGBA(image, ibuf->rect_float, 1) != 0) {
/* Conversion not possible (probably because the format is unsupported) */
logImageClose(image);
MEM_freeN(ibuf);
return 0;
}
logImageClose(image);
ibuf->ftype = use_cineon ? CINEON : DPX;
IMB_flipy(ibuf);
if (flags & IB_rect)
IMB_rect_from_float(ibuf);
if (flags & IB_alphamode_detect)
ibuf->flags |= IB_alphamode_premul;
return ibuf;
}
static struct ImBuf *imb_load_dpx_cineon(unsigned char *mem, size_t size, int use_cineon, int flags,
char colorspace[IM_MAX_SPACE])
{
ImBuf *ibuf;
LogImageFile *image;
int width, height, depth;
colorspace_set_default_role(colorspace, IM_MAX_SPACE, COLOR_ROLE_DEFAULT_FLOAT);
logImageSetVerbose((G.f & G_DEBUG) ? 1 : 0);
image = logImageOpenFromMemory(mem, size);
if (image == NULL) {
printf("DPX/Cineon: error opening image.\n");
return NULL;
}
logImageGetSize(image, &width, &height, &depth);
ibuf = IMB_allocImBuf(width, height, 32, IB_rectfloat | flags);
if (ibuf == NULL) {
logImageClose(image);
return NULL;
}
if (!(flags & IB_test)) {
if (logImageGetDataRGBA(image, ibuf->rect_float, 1) != 0) {
logImageClose(image);
IMB_freeImBuf(ibuf);
return NULL;
}
IMB_flipy(ibuf);
}
logImageClose(image);
ibuf->ftype = use_cineon ? CINEON : DPX;
if (flags & IB_alphamode_detect)
ibuf->flags |= IB_alphamode_premul;
return ibuf;
}
