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authorRobin Watts <robin.watts@artifex.com>2013-02-27 16:21:36 +0000
committerRobin Watts <robin.watts@artifex.com>2013-02-27 16:21:36 +0000
commit4d7c32754abb96b5cbbea6cd98d5ca386ad2a81e (patch)
tree69af71c711d0d9b493ad8f1586001138c986ac7e /draw/draw_paint.c
parent963c5f195d44fd46d79c312f35dc3c4d623a8a16 (diff)
downloadmupdf-4d7c32754abb96b5cbbea6cd98d5ca386ad2a81e.tar.xz
Bug 693640: Fix interpolated painting of images going out of range
When calculating the texture position for interpolated painting we apply a voodoo correction. This was causing problems by taking us out of bounds; simply add some checks to avoid this taking us out of range. This causes many differences, all small, or progressions. In particular it solves several 'white lines' cases where images didn't quite line up.
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