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#include <SDL2/SDL.h>
#include <tiffio.h>
SDL_Texture* imv_load_tiff(SDL_Renderer *r, const char* path)
{
TIFF* tif = TIFFOpen(path, "r");
if(!tif) {
return NULL;
}
SDL_Texture *img = NULL;
uint32 w, h;
TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
size_t npixels = w * h;
uint32 *pixels = (uint32*) malloc(npixels * sizeof (uint32));
if (TIFFReadRGBAImageOriented(tif, w, h, pixels, ORIENTATION_TOPLEFT, 0)) {
img = SDL_CreateTexture(r,
SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STATIC, w, h);
SDL_Rect area = {0,0,w,h};
SDL_UpdateTexture(img, &area, pixels, sizeof(uint32) * w);
}
free(pixels);
TIFFClose(tif);
return img;
}
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