stb/tests/image_test.c
Sean Barrett f5dfba0b8b Update stb_image test code to test loading with all channel counts (including 0),
to avoid missing bugs like the recent TGA bug in the future. Doesn't check the
*results*, but tests that it doesn't crash or fail.
2014-06-15 13:17:04 -07:00

56 lines
2.0 KiB
C

#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image_write.h"
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#define STB_DEFINE
#include "stb.h"
int main(int argc, char **argv)
{
int w,h;
if (argc > 1) {
int i;
for (i=1; i < argc; ++i) {
unsigned char *data;
int n;
printf("%s\n", argv[i]);
data = stbi_load(argv[i], &w, &h, &n, 4); if (data) free(data); else printf("Failed &n\n");
data = stbi_load(argv[i], &w, &h, 0, 1); if (data) free(data); else printf("Failed 1\n");
data = stbi_load(argv[i], &w, &h, 0, 2); if (data) free(data); else printf("Failed 2\n");
data = stbi_load(argv[i], &w, &h, 0, 3); if (data) free(data); else printf("Failed 3\n");
data = stbi_load(argv[i], &w, &h, 0, 4);
assert(data);
if (data) {
char fname[512];
stb_splitpath(fname, argv[i], STB_FILE);
stbi_write_png(stb_sprintf("output/%s.png", fname), w, h, 4, data, w*4);
free(data);
} else
printf("FAILED 4\n");
}
} else {
int i;
char **files = stb_readdir_files("images");
for (i=0; i < stb_arr_len(files); ++i) {
int n;
unsigned char *data;
printf("%s\n", files[i]);
data = stbi_load(files[i], &w, &h, &n, 4); if (data) free(data); else printf("Failed &n\n");
data = stbi_load(files[i], &w, &h, 0, 1); if (data) free(data); else printf("Failed 1\n");
data = stbi_load(files[i], &w, &h, 0, 2); if (data) free(data); else printf("Failed 2\n");
data = stbi_load(files[i], &w, &h, 0, 3); if (data) free(data); else printf("Failed 3\n");
data = stbi_load(files[i], &w, &h, 0, 4);
if (data) {
char fname[512];
stb_splitpath(fname, files[i], STB_FILE);
stbi_write_png(stb_sprintf("output/%s.png", fname), w, h, 4, data, w*4);
free(data);
} else
printf("FAILED\n");
}
}
return 0;
}