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png compression range was wrong 

png compression range was locked to 1-10, should have been 0-9
This commit is contained in:
John Cupitt 2012-07-16 15:27:16 +01:00
parent cd1b215579
commit db2c4f572a
1 changed files with 3 additions and 1 deletions
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4
libvips/foreign/pngsave.c
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@ -2,6 +2,8 @@
*
* 2/12/11
* - wrap a class around the png writer
* 16/7/12
* - compression should be 0-9, not 1-10
*/
/*
@ -104,7 +106,7 @@ vips_foreign_save_png_class_init( VipsForeignSavePngClass *class )
_( "Compression factor" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsForeignSavePng, compression ),
1, 10, 6 );
0, 9, 6 );
VIPS_ARG_BOOL( class, "interlace", 7,
_( "Interlace" ),