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Much like UIImage, UIColor needed multiple internal representations i…
…n order to work correctly when switching between retina and non-retina displays. Obviously normally color would not need this, but the pattern images proved difficult to get right and this seemed to be the best way. If a color is created using just a normal solid color, only one representation is used so there's not a significant increase in complexity or memory use in the normal case.
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/* | ||
* Copyright (c) 2012, The Iconfactory. All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* | ||
* 1. Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* | ||
* 2. Redistributions in binary form must reproduce the above copyright notice, | ||
* this list of conditions and the following disclaimer in the documentation | ||
* and/or other materials provided with the distribution. | ||
* | ||
* 3. Neither the name of The Iconfactory nor the names of its contributors may | ||
* be used to endorse or promote products derived from this software without | ||
* specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL THE ICONFACTORY BE LIABLE FOR ANY DIRECT, | ||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | ||
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
*/ | ||
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#import "UIColor.h" | ||
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@class UIColorRep; | ||
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@interface UIColor (UIPrivate) | ||
- (id)_initWithRepresentations:(NSArray *)reps; | ||
- (UIColorRep *)_bestRepresentationForProposedScale:(CGFloat)scale; | ||
- (BOOL)_isOpaque; | ||
@end |
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/* | ||
* Copyright (c) 2012, The Iconfactory. All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* | ||
* 1. Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* | ||
* 2. Redistributions in binary form must reproduce the above copyright notice, | ||
* this list of conditions and the following disclaimer in the documentation | ||
* and/or other materials provided with the distribution. | ||
* | ||
* 3. Neither the name of The Iconfactory nor the names of its contributors may | ||
* be used to endorse or promote products derived from this software without | ||
* specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL THE ICONFACTORY BE LIABLE FOR ANY DIRECT, | ||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | ||
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
*/ | ||
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#import <Foundation/Foundation.h> | ||
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@class UIImageRep; | ||
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@interface UIColorRep : NSObject { | ||
CGColorRef _CGColor; | ||
UIImageRep *_patternImageRep; | ||
} | ||
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- (id)initWithPatternImageRepresentation:(UIImageRep *)patternImageRep; | ||
- (id)initWithCGColor:(CGColorRef)color; | ||
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@property (nonatomic, readonly) CGColorRef CGColor; | ||
@property (nonatomic, readonly) CGFloat scale; | ||
@property (nonatomic, readonly) UIImageRep *patternImageRep; | ||
@property (nonatomic, readonly, getter=isOpaque) BOOL opaque; | ||
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@end |
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