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Merge branch 'neilbickford/image_hdr_pgm_fixes' into dev

This commit is contained in:
Fabian Giesen 2023-01-22 15:12:38 -08:00
parent 9f22cc9008 2a02ff76b5
commit e5da6acacd
1 changed files with 12 additions and 5 deletions
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17
stb_image.h
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@ -108,7 +108,7 @@ RECENT REVISION HISTORY:
Cass Everitt Ryamond Barbiero github:grim210
Paul Du Bois Engin Manap Aldo Culquicondor github:sammyhw
Philipp Wiesemann Dale Weiler Oriol Ferrer Mesia github:phprus
Josh Tobin Matthew Gregan github:poppolopoppo
Josh Tobin Neil Bickford Matthew Gregan github:poppolopoppo
Julian Raschke Gregory Mullen Christian Floisand github:darealshinji
Baldur Karlsson Kevin Schmidt JR Smith github:Michaelangel007
Brad Weinberger Matvey Cherevko github:mosra
@ -7188,12 +7188,12 @@ static float *stbi__hdr_load(stbi__context *s, int *x, int *y, int *comp, int re
// Run
value = stbi__get8(s);
count -= 128;
if (count > nleft) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); }
if ((count == 0) || (count > nleft)) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); }
for (z = 0; z < count; ++z)
scanline[i++ * 4 + k] = value;
} else {
// Dump
if (count > nleft) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); }
if ((count == 0) || (count > nleft)) { STBI_FREE(hdr_data); STBI_FREE(scanline); return stbi__errpf("corrupt", "bad RLE data in HDR"); }
for (z = 0; z < count; ++z)
scanline[i++ * 4 + k] = stbi__get8(s);
}
@ -7447,10 +7447,17 @@ static void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req
out = (stbi_uc *) stbi__malloc_mad4(s->img_n, s->img_x, s->img_y, ri->bits_per_channel / 8, 0);
if (!out) return stbi__errpuc("outofmem", "Out of memory");
stbi__getn(s, out, s->img_n * s->img_x * s->img_y * (ri->bits_per_channel / 8));
if (!stbi__getn(s, out, s->img_n * s->img_x * s->img_y * (ri->bits_per_channel / 8))) {
STBI_FREE(out);
return stbi__errpuc("bad PNM", "PNM file truncated");
}
if (req_comp && req_comp != s->img_n) {
out = stbi__convert_format(out, s->img_n, req_comp, s->img_x, s->img_y);
if (ri->bits_per_channel == 16) {
out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, s->img_n, req_comp, s->img_x, s->img_y);
} else {
out = stbi__convert_format(out, s->img_n, req_comp, s->img_x, s->img_y);
}
if (out == NULL) return out; // stbi__convert_format frees input on failure
}
return out;