59 lines
1.4 KiB
Factor
59 lines
1.4 KiB
Factor
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! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.syntax math ;
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IN: core-graphics
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TYPEDEF: void* CGColorSpaceRef
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TYPEDEF: void* CGContextRef
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! CGImageAlphaInfo
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C-ENUM:
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kCGImageAlphaNone
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kCGImageAlphaPremultipliedLast
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kCGImageAlphaPremultipliedFirst
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kCGImageAlphaLast
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kCGImageAlphaFirst
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kCGImageAlphaNoneSkipLast
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kCGImageAlphaNoneSkipFirst ;
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: kCGBitmapAlphaInfoMask ( -- n ) HEX: 1f ; inline
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: kCGBitmapFloatComponents ( -- n ) 1 8 shift ; inline
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: kCGBitmapByteOrderMask ( -- n ) HEX: 7000 ; inline
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: kCGBitmapByteOrderDefault ( -- n ) 0 12 shift ; inline
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: kCGBitmapByteOrder16Little ( -- n ) 1 12 shift ; inline
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: kCGBitmapByteOrder32Little ( -- n ) 2 12 shift ; inline
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: kCGBitmapByteOrder16Big ( -- n ) 3 12 shift ; inline
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: kCGBitmapByteOrder32Big ( -- n ) 4 12 shift ; inline
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TYPEDEF: uint CGBitmapInfo
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FUNCTION: CGColorSpaceRef CGColorSpaceCreateDeviceRGB ( ) ;
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FUNCTION: CGContextRef CGBitmapContextCreate (
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void* data,
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size_t width,
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size_t height,
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size_t bitsPerComponent,
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size_t bytesPerRow,
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CGColorSpaceRef colorspace,
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CGBitmapInfo bitmapInfo
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) ;
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FUNCTION: void CGColorSpaceRelease ( CGColorSpaceRef ref ) ;
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FUNCTION: void CGContextSetRGBStrokeColor (
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CGContextRef c,
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CGFloat red,
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CGFloat green,
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CGFloat blue,
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CGFloat alpha
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) ;
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FUNCTION: void CGContextSetRGBFillColor (
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CGContextRef c,
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CGFloat red,
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CGFloat green,
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CGFloat blue,
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CGFloat alpha
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) ;
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