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// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2021 Dominic Szablewski
/*
* Adapted from https://github.com/phoboslab/qoi/blob/master/qoiconv.c
* with the sole modification of removing the png write functionnality
* hence only requiring stb_image.h
*/
#define STB_IMAGE_IMPLEMENTATION
#define STBI_ONLY_PNG
#define STBI_NO_LINEAR
#include "stb_image.h"
#define QOI_IMPLEMENTATION
#include "../lib/gui/qoi.h"
#define STR_ENDS_WITH(S, E) (strcmp(S + strlen(S) - (sizeof(E)-1), E) == 0)
int main(int argc, char **argv) {
void *pixels = NULL;
int w, h, channels;
int encoded = 0;
if (argc < 3) {
puts("Usage: qoiconv <infile> <outfile>");
puts("Examples:");
puts(" qoiconv input.png output.qoi");
exit(1);
}
if (STR_ENDS_WITH(argv[1], ".png")) {
if(!stbi_info(argv[1], &w, &h, &channels)) {
printf("Couldn't read header %s\n", argv[1]);
exit(1);
}
// Force all odd encodings to be RGBA
if(channels != 3) {
channels = 4;
}
pixels = (void *)stbi_load(argv[1], &w, &h, NULL, channels);
}
if (pixels == NULL) {
printf("Couldn't load/decode %s\n", argv[1]);
exit(1);
}
if (STR_ENDS_WITH(argv[2], ".qoi")) {
encoded = qoi_write(argv[2], pixels, &(qoi_desc){
.width = w,
.height = h,
.channels = channels,
.colorspace = QOI_SRGB
});
}
if (!encoded) {
printf("Couldn't write/encode %s\n", argv[2]);
exit(1);
}
free(pixels);
return 0;
}
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