Bug 17411

Summary:	Transparency should be optionally flattened to a new path rather than bitmap
Product:	cairo	Reporter:	Alexandre Prokoudine <alexandre.prokoudine>
Component:	postscript backend	Assignee:	Adrian Johnson <ajohnson>
Status:	RESOLVED FIXED	QA Contact:	cairo-bugs mailing list <cairo-bugs>
Severity:	normal
Priority:	medium
Version:	1.7.5
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Alexandre Prokoudine 2008-09-02 06:57:08 UTC

Currently PS/EPS surface flattens transparency to a bitmap. This can make a resulted file much larger than it could be. A good solution would be to flatten transparency in overlapping regions to new paths that have opaque fill matching the transparency projection.

More info: http://www.adobe.com/products/creativesuite/pdfs/txpguidecs2.pdf (page 4 and below)

Comment 1 Chris Wilson 2008-10-10 10:50:20 UTC

Moved to todo.

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