src/MacVim/CTGradient.h

   1 //
   2 //  CTGradient.h
   3 //
   4 //  Created by Chad Weider on 2/14/07.
   5 //  Writtin by Chad Weider.
   6 //
   7 //  Released into public domain on 4/10/08.
   8 //
   9 //  Version: 1.8
  10
  11 #import <Cocoa/Cocoa.h>
  12
  13 typedef struct _CTGradientElement
  14         {
  15         float red, green, blue, alpha;
  16         float position;
  17
  18         struct _CTGradientElement *nextElement;
  19         } CTGradientElement;
  20
  21 typedef enum  _CTBlendingMode
  22         {
  23         CTLinearBlendingMode,
  24         CTChromaticBlendingMode,
  25         CTInverseChromaticBlendingMode
  26         } CTGradientBlendingMode;
  27
  28
  29 @interface CTGradient : NSObject <NSCopying, NSCoding>
  30         {
  31         CTGradientElement* elementList;
  32         CTGradientBlendingMode blendingMode;
  33
  34         CGFunctionRef gradientFunction;
  35         }
  36
  37 + (id)gradientWithBeginningColor:(NSColor *)begin endingColor:(NSColor *)end;
  38
  39 + (id)aquaSelectedGradient;
  40 + (id)aquaNormalGradient;
  41 + (id)aquaPressedGradient;
  42
  43 + (id)unifiedSelectedGradient;
  44 + (id)unifiedNormalGradient;
  45 + (id)unifiedPressedGradient;
  46 + (id)unifiedDarkGradient;
  47
  48 + (id)sourceListSelectedGradient;
  49 + (id)sourceListUnselectedGradient;
  50
  51 + (id)rainbowGradient;
  52 + (id)hydrogenSpectrumGradient;
  53
  54 - (CTGradient *)gradientWithAlphaComponent:(float)alpha;
  55
  56 - (CTGradient *)addColorStop:(NSColor *)color atPosition:(float)position;       //positions given relative to [0,1]
  57 - (CTGradient *)removeColorStopAtIndex:(unsigned)index;
  58 - (CTGradient *)removeColorStopAtPosition:(float)position;
  59
  60 - (CTGradientBlendingMode)blendingMode;
  61 - (NSColor *)colorStopAtIndex:(unsigned)index;
  62 - (NSColor *)colorAtPosition:(float)position;
  63
  64
  65 - (void)drawSwatchInRect:(NSRect)rect;
  66 - (void)fillRect:(NSRect)rect angle:(float)angle;                                       //fills rect with axial gradient
  67                                                                                                                                         //      angle in degrees
  68 - (void)radialFillRect:(NSRect)rect;                                                            //fills rect with radial gradient
  69                                                                                                                                         //  gradient from center outwards
  70 - (void)fillBezierPath:(NSBezierPath *)path angle:(float)angle;
  71 - (void)radialFillBezierPath:(NSBezierPath *)path;
  72
  73 @end