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pngsave: ensure 8-bit palette images can be created (#3031)

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Lovell Fuller 2022-09-08 09:10:02 +01:00 committed by GitHub
parent fc01771454
commit b58b7bd416
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 6 deletions
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6
libvips/foreign/pngsave.c
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@ -145,9 +145,9 @@ vips_foreign_save_png_build( VipsObject *object )
png->bitdepth < 8 ) png->bitdepth < 8 )
png->palette = TRUE; png->palette = TRUE;
/* Disable palettization for >8 bit save. /* Disable palettization for >8 bit save.
*/ */
if( png->bitdepth >= 8 ) if( png->bitdepth > 8 )
png->palette = FALSE; png->palette = FALSE;
if( vips__png_write_target( in, png->target, if( vips__png_write_target( in, png->target,

6
libvips/foreign/spngsave.c
View File

@ -613,9 +613,9 @@ vips_foreign_save_spng_build( VipsObject *object )
spng->bitdepth < 8 ) spng->bitdepth < 8 )
spng->palette = TRUE; spng->palette = TRUE;
/* Disable palettization for >8 bit save. /* Disable palettization for >8 bit save.
*/ */
if( spng->bitdepth >= 8 ) if( spng->bitdepth > 8 )
spng->palette = FALSE; spng->palette = FALSE;
if( vips_foreign_save_spng_write( spng, in ) ) { if( vips_foreign_save_spng_write( spng, in ) ) {