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  • poppler
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  • #625
Closed
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Created Aug 28, 2008 by Bugzilla Migration User@bugzilla-migration

Simple knockout groups should just be rendered with CAIRO_OPERATOR_SOURCE

Submitted by Carl Worth @cworth

Assigned to poppler-bugs

Link to original bug (#17346)

Description

Cairo uses knockout groups to put its fallback images into PDF files, and cairo would be happier if poppler would just use SOURCE to draw those groups.

This could probably be done if poppler looked at the knockout group and saw that it just consists of drawing one rectangular image, (so it knows the "shape" is a rectangle and doesn't need to compute the shape and draw with DEST_OUT and ADD to get the shape).

Good luck, Jeff!

-Carl

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