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[libng16] Added palette-index checking while writing.

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Relocated palette-index checking function from pngrutil.c to pngtrans.c
This commit is contained in:
Glenn Randers-Pehrson
2012-03-02 22:10:15 -06:00
parent 8e92cd51c6
commit eeb1bb678d
10 changed files with 156 additions and 115 deletions
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18
pngset.c
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@@ -1310,4 +1310,22 @@ png_set_benign_errors(png_structrp png_ptr, int allowed)
png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN;
}
#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Do not report invalid palette index; added at libng-1.5.10 */
void PNGAPI
png_set_check_for_invalid_index(png_structrp png_ptr, int allowed)
{
png_debug(1, "in png_set_check_for_invalid_index");
if (allowed)
png_ptr->num_palette_max = 0;
else
png_ptr->num_palette_max = -1;
}
#endif
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */