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fix 1/2/4-bit png to filter bytes before decoding to pixels;

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rename pngsuite/part1 to pngsuite/primary;
check in pngsuite
This commit is contained in:
Sean Barrett
2014-12-14 01:43:23 -08:00
parent 01d2c9d957
commit 8ac015c03f
254 changed files with 154 additions and 88 deletions
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22
tests/image_test.c
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@ -7,7 +7,7 @@
#define STB_DEFINE
#include "stb.h"
#define PART1
#define PNGSUITE_PRIMARY
int main(int argc, char **argv)
{
@ -34,8 +34,8 @@ int main(int argc, char **argv)
}
} else {
int i, nope=0;
#ifdef PART1
char **files = stb_readdir_files("pngsuite/part1");
#ifdef PNGSUITE_PRIMARY
char **files = stb_readdir_files("pngsuite/primary");
#else
char **files = stb_readdir_files("images");
#endif
@ -43,7 +43,7 @@ int main(int argc, char **argv)
int n;
char **failed = NULL;
unsigned char *data;
//printf("%s\n", files[i]);
printf("%s\n", files[i]);
data = stbi_load(files[i], &w, &h, &n, 0); if (data) free(data); else stb_arr_push(failed, "&n");
data = stbi_load(files[i], &w, &h, 0, 1); if (data) free(data); else stb_arr_push(failed, "1");
data = stbi_load(files[i], &w, &h, 0, 2); if (data) free(data); else stb_arr_push(failed, "2");
@ -52,16 +52,22 @@ int main(int argc, char **argv)
if (data) {
char fname[512];
#ifdef PART1
#ifdef PNGSUITE_PRIMARY
int w2,h2;
unsigned char *data2;
stb_splitpath(fname, files[i], STB_FILE_EXT);
data2 = stbi_load(stb_sprintf("pngsuite/part1_check/%s", fname), &w2, &h2, 0, 4);
data2 = stbi_load(stb_sprintf("pngsuite/primary_check/%s", fname), &w2, &h2, 0, 4);
if (!data2)
printf("FAILED: couldn't load 'pngsuite/part1_check/%s\n", fname);
printf("FAILED: couldn't load 'pngsuite/primary_check/%s\n", fname);
else {
if (w != w2 || h != w2 || 0 != memcmp(data, data2, w*h*4)) {
printf("FAILED: %s loaded but didn't match part1_check 32-bit version\n", files[i]);
int x,y,c;
if (w == w2 && h == h2)
for (y=0; y < h; ++y)
for (x=0; x < w; ++x)
for (c=0; c < 4; ++c)
assert(data[y*w*4+x*4+c] == data2[y*w*4+x*4+c]);
printf("FAILED: %s loaded but didn't match PRIMARY_check 32-bit version\n", files[i]);
}
free(data2);
}