Bug 10836 – REGRESSION: Mac implementation of Font::drawGlyphs leaks a CGColorRef

• Component: Platform
• Status: RESOLVED FIXED

[Mark Rowe (bdash)]

Line 594 of FontMac.mm (http://trac.webkit.org/projects/webkit/browser/trunk/WebCore/platform/mac/FontMac.mm#L594) contains a call to cgColor(context->pen().color()) as part of the arguments of a function call.  The CGColorRef returned by cgColor is retained and needs to be released to prevent it from being leaked.  It seems as though Font::drawComplexText (line 485) has the same problem.

This leak shows up in the Buildbot output at http://build.webkit.org/results/post-commit-leaks-powerpc-mac-os-x/2531/DumpRenderTree5-leaks.txt.

[Mark Rowe (bdash)]

Created attachment 10548 [details]
Patch

[Eric Seidel (no email)]

Comment on attachment 10548 [details]
Patch

My mistake, thanks for fixing.

You might add a:
 // WebCore expects text to respect the pen color, CG expects text to use fill

comment to the other place as well, I had meant to do that originally.

Also, this makes me wonder if it wouldn't be a better idea to set the color on the context with 4 floats to prevent the malloc/free associated with creating a color and freeing...  If it shows up in shark we'll have to move to that model.

r=me

[Mark Rowe (bdash)]

Landed in r16356.