John Bowler d52c8eba99 Compression changes/fixes ...

Simplified API: change handling of PNG_IMAGE_FLAG_FAST to use
PNG_COMPRESSION_HIGH_SPEED, and PNG_COMPRESSION_HIGH otherwise.

Compression: add missing break statements that caused some compression settings
to fall through to the 'HIGH' setting.

Internal: remove png_struct::flags, it only stored the 'library mismatch' flag
and that could never be accessed (because immediately after it was set the
png_struct, which was on the stack, was eliminated.)

Signed-off-by: John Bowler <jbowler@acm.org>

2016-06-08 08:37:20 -07:00

166 KiB

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