75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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// CTGradient.h
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//
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// Created by Chad Weider on 2/14/07.
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// Copyright (c) 2007 Chad Weider.
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// Some rights reserved: <http://creativecommons.org/licenses/by/2.5/>
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//
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// Version: 1.6
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#import <Cocoa/Cocoa.h>
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typedef struct _CTGradientElement
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{
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float red, green, blue, alpha;
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float position;
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struct _CTGradientElement *nextElement;
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} CTGradientElement;
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typedef enum _CTBlendingMode
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{
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CTLinearBlendingMode,
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CTChromaticBlendingMode,
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CTInverseChromaticBlendingMode
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} CTGradientBlendingMode;
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@interface CTGradient : NSObject <NSCopying, NSCoding>
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{
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CTGradientElement* elementList;
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CTGradientBlendingMode blendingMode;
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CGFunctionRef gradientFunction;
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}
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+ (id)gradientWithBeginningColor:(NSColor *)begin endingColor:(NSColor *)end;
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+ (id)aquaSelectedGradient;
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+ (id)aquaNormalGradient;
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+ (id)aquaPressedGradient;
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+ (id)unifiedSelectedGradient;
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+ (id)unifiedNormalGradient;
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+ (id)unifiedPressedGradient;
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+ (id)unifiedDarkGradient;
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+ (id)sourceListSelectedGradient;
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+ (id)sourceListUnselectedGradient;
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+ (id)rainbowGradient;
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+ (id)hydrogenSpectrumGradient;
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- (CTGradient *)gradientWithAlphaComponent:(float)alpha;
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- (void)addElement:(CTGradientElement*)newElement;
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- (CTGradient *)addColorStop:(NSColor *)color atPosition:(float)position; //positions given relative to [0,1]
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- (CTGradient *)removeColorStopAtIndex:(unsigned)index;
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- (CTGradient *)removeColorStopAtPosition:(float)position;
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- (CTGradientBlendingMode)blendingMode;
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- (NSColor *)colorStopAtIndex:(unsigned)index;
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- (NSColor *)colorAtPosition:(float)position;
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- (void)drawSwatchInRect:(NSRect)rect;
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- (void)fillRect:(NSRect)rect angle:(float)angle; //fills rect with axial gradient
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// angle in degrees
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- (void)radialFillRect:(NSRect)rect; //fills rect with radial gradient
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// gradient from center outwards
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- (void)fillBezierPath:(NSBezierPath *)path angle:(float)angle;
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- (void)radialFillBezierPath:(NSBezierPath *)path;
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@end
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