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[Annotations] clearRect() Only on Dirty Areas #4463

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chenba opened this issue May 16, 2018 · 0 comments
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[Annotations] clearRect() Only on Dirty Areas #4463

chenba opened this issue May 16, 2018 · 0 comments
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perf Performance-related
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Sprint 17 (63-1)

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chenba commented May 16, 2018

There are a few place where clearRect() is called for the entire area of the canvas. In the tools, we should only clearRect() on the dirty area.
@chenba chenba added the perf Performance-related label May 16, 2018
@ghost ghost added this to the Sprint 14 (62-2) ¯\_(ツ)_/¯ milestone May 16, 2018
@chenba chenba self-assigned this Jul 17, 2018
chenba added a commit to chenba/screenshots that referenced this issue Jul 18, 2018
@chenba
Clear only dirty areas of a canvas. (mozilla-services#4463)
19afc33
@chenba chenba mentioned this issue Jul 18, 2018
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jaredhirsch pushed a commit that referenced this issue Jul 24, 2018
@chenba @jaredhirsch
Clear only dirty areas of a canvas. (#4463) (#4659)
1f6b07e
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