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Issue 1431 Color and mask filters are not supported by the PDF backend
Starred by 4 users Project Member Reported by jbroman@chromium.org, Jul 17 2013 Back to list
Status: New
Owner:
Cc:
Area: PDF
Priority: Medium
Type: Defect

Blocking:
issue 1063



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In particular, this causes shadows in Blink to render incorrectly for printing.

For Blink's shadows to render correctly, this needs to be supported when drawing, at least:
- text for text shadows
- rects, rounded rects, and other paths (e.g. the rect-with-rounded-hole path used for inner shadows) for box shadows

I have not yet investigated the possible types of shadows that can arise from SVG.

Other browser vendors' backends appear to implement this feature by embedding bitmaps in the resulting PDF (e.g. Safari's output for a blue text shadow includes a solid blue rectangle and a mask image which shows the blurred text).

A past attempt at this for text, at least, is at http://crrev.com/14854014, but that has stalled.
 
Project Member Comment 1 by vandebo@chromium.org, Jul 17 2013
Cc: edisonn@google.com vandebo@chromium.org
Project Member Comment 2 by scro...@google.com, Jul 17 2013
Cc: -edisonn@google.com
Owner: edisonn@google.com
Project Member Comment 3 by edisonn@google.com, Oct 24 2013
Labels: Area-PDF
Project Member Comment 4 by hcm@google.com, Jan 8 2014
Owner: bungeman@google.com
Project Member Comment 5 by hcm@google.com, Sep 10 2014
Blocking: skia:1063
Project Member Comment 6 by scro...@google.com, Jan 29 2015
Cc: hcm@google.com
Owner: halcanary@google.com
Hal works on pdf now
Project Member Comment 7 by scro...@google.com, Dec 7 2015
Cc: -vandebo@chromium.org
(Also see crbug.com/261273)
This looks like a duplicate of skia:237
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