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core-graphics: fix problem when rendering transparent offscreen bitmaps, use calloc instead of malloc so that memory is zeroed

db4
Slava Pestov 2009-02-01 20:32:26 -06:00
parent 93afebdb30
commit 790dee3d7e
1 changed files with 1 additions and 1 deletions
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basis/core-graphics/core-graphics.factor
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@ -112,7 +112,7 @@ FUNCTION: void* CGBitmapContextGetData ( CGContextRef c ) ;
product "uint" heap-size * ; product "uint" heap-size * ;
: malloc-bitmap-data ( dim -- alien ) : malloc-bitmap-data ( dim -- alien )
bitmap-size malloc &free ; bitmap-size 1 calloc &free ;
: bitmap-color-space ( -- color-space ) : bitmap-color-space ( -- color-space )
CGColorSpaceCreateDeviceRGB &CGColorSpaceRelease ; CGColorSpaceCreateDeviceRGB &CGColorSpaceRelease ;