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core-text: always create at least a 1x1 bitmap context. snow leopard refuses to create 0x0 contexts

db4
Joe Groff 2009-08-26 14:58:15 -05:00
parent 2ae4f64d65
commit a56d4ec50d
1 changed files with 7 additions and 6 deletions
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11
basis/core-text/core-text.factor
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@ -2,10 +2,11 @@
! See http://factorcode.org/license.txt for BSD license.
USING: arrays alien alien.c-types alien.syntax kernel destructors
accessors fry words hashtables strings sequences memoize assocs math
math.vectors math.rectangles math.functions locals init namespaces
combinators fonts colors cache core-foundation core-foundation.strings
core-foundation.attributed-strings core-foundation.utilities
core-graphics core-graphics.types core-text.fonts core-text.utilities ;
math.order math.vectors math.rectangles math.functions locals init
namespaces combinators fonts colors cache core-foundation
core-foundation.strings core-foundation.attributed-strings
core-foundation.utilities core-graphics core-graphics.types
core-text.fonts core-text.utilities ;
IN: core-text
TYPEDEF: void* CTLineRef
@ -120,7 +121,7 @@ TUPLE: line < disposable line metrics image loc dim ;
(ext) [ (loc) (dim) v+ ]
loc [ (loc) [ floor ] map ]
ext [ (loc) (dim) [ + ceiling ] 2map ]
dim [ ext loc [ - >integer ] 2map ]
dim [ ext loc [ - >integer 1 max ] 2map ]
metrics [ open-font line compute-line-metrics ] |
line >>line