include/core/SkColor.h File Reference
#include "SkScalar.h"
Go to the source code of this file.
Defines |
#define | SkColorSetRGB(r, g, b) SkColorSetARGB(0xFF, r, g, b) |
#define | SkColorGetA(color) (((color) >> 24) & 0xFF) |
#define | SkColorGetR(color) (((color) >> 16) & 0xFF) |
#define | SkColorGetG(color) (((color) >> 8) & 0xFF) |
#define | SkColorGetB(color) (((color) >> 0) & 0xFF) |
#define | SK_ColorBLACK 0xFF000000 |
| black SkColor value
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#define | SK_ColorDKGRAY 0xFF444444 |
| dark gray SkColor value
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#define | SK_ColorGRAY 0xFF888888 |
| gray SkColor value
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#define | SK_ColorLTGRAY 0xFFCCCCCC |
| light gray SkColor value
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#define | SK_ColorWHITE 0xFFFFFFFF |
| white SkColor value
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#define | SK_ColorRED 0xFFFF0000 |
| red SkColor value
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#define | SK_ColorGREEN 0xFF00FF00 |
| green SkColor value
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#define | SK_ColorBLUE 0xFF0000FF |
| blue SkColor value
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#define | SK_ColorYELLOW 0xFFFFFF00 |
| yellow SkColor value
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#define | SK_ColorCYAN 0xFF00FFFF |
| cyan SkColor value
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#define | SK_ColorMAGENTA 0xFFFF00FF |
| magenta SkColor value
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Typedefs |
typedef uint8_t | SkAlpha |
typedef uint32_t | SkColor |
typedef uint32_t | SkPMColor |
typedef SkPMColor(* | SkXfermodeProc )(SkPMColor src, SkPMColor dst) |
typedef uint16_t(* | SkXfermodeProc16 )(SkPMColor src, uint16_t dst) |
Functions |
void | SkRGBToHSV (U8CPU red, U8CPU green, U8CPU blue, SkScalar hsv[3]) |
SkColor | SkHSVToColor (U8CPU alpha, const SkScalar hsv[3]) |
SkPMColor | SkPreMultiplyARGB (U8CPU a, U8CPU r, U8CPU g, U8CPU b) |
SkPMColor | SkPreMultiplyColor (SkColor c) |
Detailed Description
Types and macros for colors
Definition in file SkColor.h.
Define Documentation
#define SK_ColorBLACK 0xFF000000 |
black SkColor value
Definition at line 66 of file SkColor.h.
#define SK_ColorBLUE 0xFF0000FF |
blue SkColor value
Definition at line 74 of file SkColor.h.
#define SK_ColorCYAN 0xFF00FFFF |
cyan SkColor value
Definition at line 76 of file SkColor.h.
#define SK_ColorDKGRAY 0xFF444444 |
dark gray SkColor value
Definition at line 67 of file SkColor.h.
#define SK_ColorGRAY 0xFF888888 |
gray SkColor value
Definition at line 68 of file SkColor.h.
#define SK_ColorGREEN 0xFF00FF00 |
green SkColor value
Definition at line 73 of file SkColor.h.
#define SK_ColorLTGRAY 0xFFCCCCCC |
light gray SkColor value
Definition at line 69 of file SkColor.h.
#define SK_ColorMAGENTA 0xFFFF00FF |
magenta SkColor value
Definition at line 77 of file SkColor.h.
#define SK_ColorRED 0xFFFF0000 |
red SkColor value
Definition at line 72 of file SkColor.h.
#define SK_ColorWHITE 0xFFFFFFFF |
white SkColor value
Definition at line 70 of file SkColor.h.
#define SK_ColorYELLOW 0xFFFFFF00 |
yellow SkColor value
Definition at line 75 of file SkColor.h.
#define SkColorGetA |
( |
color |
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) |
(((color) >> 24) & 0xFF) |
return the alpha byte from a SkColor value
Definition at line 52 of file SkColor.h.
#define SkColorGetB |
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color |
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) |
(((color) >> 0) & 0xFF) |
return the blue byte from a SkColor value
Definition at line 58 of file SkColor.h.
#define SkColorGetG |
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color |
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) |
(((color) >> 8) & 0xFF) |
return the green byte from a SkColor value
Definition at line 56 of file SkColor.h.
#define SkColorGetR |
( |
color |
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) |
(((color) >> 16) & 0xFF) |
return the red byte from a SkColor value
Definition at line 54 of file SkColor.h.
#define SkColorSetRGB |
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r, |
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g, |
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b |
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) |
SkColorSetARGB(0xFF, r, g, b) |
Return a SkColor value from 8 bit component values, with an implied value of 0xFF for alpha (fully opaque)
Definition at line 49 of file SkColor.h.
Typedef Documentation
8-bit type for an alpha value. 0xFF is 100% opaque, 0x00 is 100% transparent.
Definition at line 29 of file SkColor.h.
32 bit ARGB color value, not premultiplied. The color components are always in a known order. This is different from SkPMColor, which has its bytes in a configuration dependent order, to match the format of kARGB32 bitmaps. SkColor is the type used to specify colors in SkPaint and in gradients.
Definition at line 35 of file SkColor.h.
32 bit ARGB color value, premultiplied. The byte order for this value is configuration dependent, matching the format of kARGB32 bitmaps. This is different from SkColor, which is nonpremultiplied, and is always in the same byte order.
Definition at line 134 of file SkColor.h.
Define a function pointer type for combining two premultiplied colors
Definition at line 147 of file SkColor.h.
Define a function pointer type for combining a premultiplied src color and a 16bit device color.
Definition at line 152 of file SkColor.h.
Function Documentation
Convert HSV components to an ARGB color. The alpha component is passed through unchanged. hsv[0] is Hue [0 .. 360) hsv[1] is Saturation [0...1] hsv[2] is Value [0...1] If hsv values are out of range, they are pinned.
- Parameters:
-
| alpha | the alpha component of the returned argb color. |
| hsv | 3 element array which holds the input HSV components. |
- Returns:
- the resulting argb color
Return a SkPMColor value from unpremultiplied 8 bit component values
Return a SkPMColor value from a SkColor value. This is done by multiplying the color components by the color's alpha, and by arranging the bytes in a configuration dependent order, to match the format of kARGB32 bitmaps.
Convert RGB components to HSV. hsv[0] is Hue [0 .. 360) hsv[1] is Saturation [0...1] hsv[2] is Value [0...1]
- Parameters:
-
| red | red component value [0..255] |
| green | green component value [0..255] |
| blue | blue component value [0..255] |
| hsv | 3 element array which holds the resulting HSV components. |