#define STB_IMAGE_WRITE_IMPLEMENTATION #include "stb_image_write.h" #define STB_IMAGE_IMPLEMENTATION #include "stb_image.h" int main(int argc, char **argv) { int w,h; unsigned char *data = stbi_load(argv[1], &w, &h, 0, 4); if (data) stbi_write_png("c:/x/result.png", w, h, 4, data, w*4); return 0; }