Platforms to show: All Mac Windows Linux Cross-Platform
CGContextMBS constants
- const kCGEncodingFontSpecific=0
- const kCGEncodingMacRoman=1
- const kCGLineCapButt=0
- const kCGLineCapRound=1
- const kCGLineCapSquare=2
- const kCGLineJoinBevel=2
- const kCGLineJoinMiter=0
- const kCGLineJoinRound=1
- const kCGPathEOFill=1
- const kCGPathEOFillStroke=4
- const kCGPathFill=0
- const kCGPathFillStroke=3
- const kCGPathStroke=2
- const kCGTextClip=7
- const kCGTextFill=0
- const kCGTextFillClip=4
- const kCGTextFillStroke=2
- const kCGTextFillStrokeClip=6
- const kCGTextInvisible=3
- const kCGTextStroke=1
- const kCGTextStrokeClip=5
Blend Mode Constants
| Constant | Value | Description |
|---|---|---|
| kCGBlendModeClear | 16 |
R = 0 Available in Mac OS X v10.5 and later. |
| kCGBlendModeColor | 14 | |
| kCGBlendModeColorBurn | 7 | |
| kCGBlendModeColorDodge | 6 | |
| kCGBlendModeCopy | 17 |
R = S Available in Mac OS X v10.5 and later. |
| kCGBlendModeDarken | 4 | |
| kCGBlendModeDestinationAtop | 24 |
R = S*(1 - Da) + D*Sa Available in Mac OS X v10.5 and later. |
| kCGBlendModeDestinationIn | 22 |
R = D*Sa Available in Mac OS X v10.5 and later. |
| kCGBlendModeDestinationOut | 23 |
R = D*(1 - Sa) Available in Mac OS X v10.5 and later. |
| kCGBlendModeDestinationOver | 21 |
R = S*(1 - Da) + D Available in Mac OS X v10.5 and later. |
| kCGBlendModeDifference | 10 | |
| kCGBlendModeExclusion | 11 | |
| kCGBlendModeHardLight | 9 | |
| kCGBlendModeHue | 12 | |
| kCGBlendModeLighten | 5 | |
| kCGBlendModeLuminosity | 15 | |
| kCGBlendModeMultiply | 1 | |
| kCGBlendModeNormal | 0 | |
| kCGBlendModeOverlay | 3 | |
| kCGBlendModePlusDarker | 26 |
R = MAX(0, (1 - D) + (1 - S)) Available in Mac OS X v10.5 and later. |
| kCGBlendModePlusLighter | 27 |
R = MIN(1, S + D) Available in Mac OS X v10.5 and later. |
| kCGBlendModeSaturation | 13 | |
| kCGBlendModeScreen | 2 | |
| kCGBlendModeSoftLight | 8 | |
| kCGBlendModeSourceAtop | 20 |
R = S*Da + D*(1 - Sa) Available in Mac OS X v10.5 and later. |
| kCGBlendModeSourceIn | 18 |
R = S*Da Available in Mac OS X v10.5 and later. |
| kCGBlendModeSourceOut | 19 |
R = S*(1 - Da) Available in Mac OS X v10.5 and later. |
| kCGBlendModeXOR | 25 |
R = S*(1 - Da) + D*(1 - Sa). This XOR mode is only nominally related to the classical bitmap XOR operation, which is not supported by Quartz 2D. Available in Mac OS X v10.5 and later. |
Interpolation Constants
| Constant | Value | Description |
|---|---|---|
| kCGInterpolationDefault | 0 |
Let the context decide. |
| kCGInterpolationHigh | 3 |
Slower, higher quality. |
| kCGInterpolationLow | 2 |
Faster, lower quality. |
| kCGInterpolationMedium | 4 |
A medium level of interpolation quality. This setting is slower than the low setting but faster than the high setting. Available in Mac OS X v10.6 and later. |
| kCGInterpolationNone | 1 |
Never interpolate. |
