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authorRobin Watts <robin.watts@artifex.com>2017-07-25 17:15:25 +0100
committerRobin Watts <robin.watts@artifex.com>2017-10-24 15:16:35 +0100
commit72c202c98ec708d48d54c21935430a2c733675e7 (patch)
tree78cba475b3bb79fe3c284dc771e4b970ba42f87f /source/html/css-apply.c
parent89b91112b810a6b29396b8f4e91c8bde92969e0e (diff)
downloadmupdf-72c202c98ec708d48d54c21935430a2c733675e7.tar.xz
Overprint support.
Introduce an fz_overprint bitmap (currently just a uint32_t, but it'll grow to be an array of them if FZ_MAX_COLOR is increased). Pointers to this are passed into all our painting routines. NULL means "Do what you've always done before, with no overprint". non NULL, means that every set bit means "don't ever alter this component". We therefore set the overprint bitmap up according to the input color/colorspace/colorparams before calling each routine.
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