🛠️🐜 Antkeeper superbuild with dependencies included
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46 lines
1.1 KiB
46 lines
1.1 KiB
#include <cstdio>
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#include <cstdlib>
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#include <vector>
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#define STB_IMAGE_RESIZE_IMPLEMENTATION
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#include "stb_image_resize.h"
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#include "tinyexr.h"
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int main(int argc, char** argv)
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{
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if (argc < 5) {
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printf("Usage: exrresize input.exr output.exr dst_width dst_height.\n");
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printf(" Only supports RGB or RGBA EXR input.\n");
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exit(-1);
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}
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int dst_width = atoi(argv[3]);
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int dst_height = atoi(argv[4]);
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int width, height;
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float* rgba;
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const char* err;
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{
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int ret = LoadEXR(&rgba, &width, &height, argv[1], &err);
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if (ret != TINYEXR_SUCCESS) {
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printf("err: %s\n", err);
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return -1;
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}
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}
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std::vector<float> buf(dst_width * dst_height * 4);
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int ret = stbir_resize_float(rgba, width, height, width*4*sizeof(float), &buf.at(0), dst_width, dst_height,dst_width*4*sizeof(float), 4);
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assert(ret != 0);
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ret = SaveEXR(buf.data(), dst_width, dst_height, 4, /*fp16*/0, argv[2], &err);
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if (ret != TINYEXR_SUCCESS) {
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if (err) {
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fprintf(stderr, "err: %s\n", err);
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FreeEXRErrorMessage(err);
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}
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}
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return (ret == TINYEXR_SUCCESS);
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}
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