#ifdef _WIN32 #define STBR_ASSERT(x) \ if (!(x)) \ __debugbreak(); #endif #define STB_RESAMPLE_IMPLEMENTATION #include "stb_resample.h" #define STB_IMAGE_WRITE_IMPLEMENTATION #include "stb_image_write.h" #define STB_IMAGE_IMPLEMENTATION #include "stb_image.h" int main(int argc, char** argv) { unsigned char* input_data; unsigned char* output_data; int w, h; int n; int out_w, out_h, out_stride; if (argc <= 1) { printf("No input image\n"); return 1; } input_data = stbi_load(argv[1], &w, &h, &n, 0); if (!input_data) { printf("Input image could not be loaded"); return 1; } out_w = 512; out_h = 512; out_stride = (out_w + 10) * n; output_data = malloc(out_stride * out_h); // Cut out the outside 64 pixels all around to test the stride. stbr_resize(input_data + w*64*n + 64*n, w - 128, h - 128, n, w*n, output_data, out_w, out_h, out_stride, STBR_FILTER_NEAREST, STBR_EDGE_CLAMP); stbi_write_png("output.png", out_w, out_h, n, output_data, out_stride); free(output_data); return 0; }