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Bug 14661 - I find the compositing section unclear with regard to partial transparency. E.g., under "a atop b", if a is partially transparent, does b show through?
Summary: I find the compositing section unclear with regard to partial transparency. ...
Status: RESOLVED WORKSFORME
Alias: None
Product: WHATWG
Classification: Unclassified
Component: HTML (show other bugs)
Version: unspecified
Hardware: Other other
: P3 normal
Target Milestone: Unsorted
Assignee: Ian 'Hixie' Hickson
QA Contact: contributor
URL: http://www.whatwg.org/specs/web-apps/...
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-11-01 19:00 UTC by contributor
Modified: 2012-07-18 18:38 UTC (History)
2 users (show)

See Also:

Attachments

Description contributor 2011-11-01 19:00:49 UTC 
Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html
Multipage: http://www.whatwg.org/C#compositing
Complete: http://www.whatwg.org/c#compositing

Comment:
I find the compositing section unclear with regard to partial transparency. 
E.g., under "a atop b", if a is partially transparent, does b show through?

Posted from: 128.30.6.19
User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1
Comment 1 Ian 'Hixie' Hickson 2011-11-02 20:45:50 UTC 
This is defined in the Porter-Duff paper, no?