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authorRobin Watts <robin.watts@artifex.com>2012-11-19 16:40:51 +0000
committerRobin Watts <robin.watts@artifex.com>2012-11-19 16:49:29 +0000
commitb1e3f310637a22c6b4c5e142e3582f90ff467ddf (patch)
tree09fa46ac420806bb23d0c7d247d03f956a97e27d /doc
parenta8560c74b6b655386c4530383eebda4e7cc239c2 (diff)
downloadmupdf-b1e3f310637a22c6b4c5e142e3582f90ff467ddf.tar.xz
Add image subsampling function.
When drawing images, if they are much bigger than we need, quickly subsample them. Makes images much more cachable, reduces time spent in expensive smooth scaler.
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