| 1 | //
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| 2 | // CTGradient.h
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| 3 | //
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| 4 | // Created by Chad Weider on 2/14/07.
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| 5 | // Copyright (c) 2007 Chad Weider.
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| 6 | // Some rights reserved: <http://creativecommons.org/licenses/by/2.5/>
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| 7 | //
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| 8 | // Version: 1.6
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| 9 |
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| 10 | #import <Cocoa/Cocoa.h>
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| 11 |
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| 12 | typedef struct _CTGradientElement
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| 13 | {
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| 14 | float red, green, blue, alpha;
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| 15 | float position;
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| 16 |
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| 17 | struct _CTGradientElement *nextElement;
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| 18 | } CTGradientElement;
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| 19 |
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| 20 | typedef enum _CTBlendingMode
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| 21 | {
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| 22 | CTLinearBlendingMode,
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| 23 | CTChromaticBlendingMode,
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| 24 | CTInverseChromaticBlendingMode
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| 25 | } CTGradientBlendingMode;
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| 26 |
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| 27 |
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| 28 | @interface CTGradient : NSObject <NSCopying, NSCoding>
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| 29 | {
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| 30 | CTGradientElement* elementList;
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| 31 | CTGradientBlendingMode blendingMode;
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| 32 |
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| 33 | CGFunctionRef gradientFunction;
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| 34 | }
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| 35 |
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| 36 | + (id)gradientWithBeginningColor:(NSColor *)begin endingColor:(NSColor *)end;
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| 37 |
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| 38 | + (id)aquaSelectedGradient;
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| 39 | + (id)aquaNormalGradient;
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| 40 | + (id)aquaPressedGradient;
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| 41 |
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| 42 | + (id)unifiedSelectedGradient;
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| 43 | + (id)unifiedNormalGradient;
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| 44 | + (id)unifiedPressedGradient;
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| 45 | + (id)unifiedDarkGradient;
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| 46 |
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| 47 | + (id)sourceListSelectedGradient;
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| 48 | + (id)sourceListUnselectedGradient;
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| 49 |
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| 50 | + (id)rainbowGradient;
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| 51 | + (id)hydrogenSpectrumGradient;
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| 52 |
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| 53 | - (CTGradient *)gradientWithAlphaComponent:(float)alpha;
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| 54 |
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| 55 | - (CTGradient *)addColorStop:(NSColor *)color atPosition:(float)position; //positions given relative to [0,1]
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| 56 | - (CTGradient *)removeColorStopAtIndex:(unsigned)index;
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| 57 | - (CTGradient *)removeColorStopAtPosition:(float)position;
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| 58 |
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| 59 | - (CTGradientBlendingMode)blendingMode;
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| 60 | - (NSColor *)colorStopAtIndex:(unsigned)index;
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| 61 | - (NSColor *)colorAtPosition:(float)position;
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| 62 |
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| 63 |
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| 64 | - (void)drawSwatchInRect:(NSRect)rect;
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| 65 | - (void)fillRect:(NSRect)rect angle:(float)angle; //fills rect with axial gradient
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| 66 | // angle in degrees
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| 67 | - (void)radialFillRect:(NSRect)rect; //fills rect with radial gradient
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| 68 | // gradient from center outwards
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| 69 | - (void)fillBezierPath:(NSBezierPath *)path angle:(float)angle;
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| 70 | - (void)radialFillBezierPath:(NSBezierPath *)path;
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| 71 |
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| 72 | @end
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