All functions Mac OS X Windows Crossplatform Components New in version: 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 2.0
Component: GraphicsMagick
Mac OS X: Works
Windows: Works
MBS( "GMImage.Modulate"; ImageRef; brightness; saturation; hue )
Parameter | Description | Example value |
---|---|---|
ImageRef | The image reference (a number returned from the GMImage.New functions) | 1 |
brightness | The brightness value. | 1.0 |
saturation | The saturation value. | 0.0 |
hue | The hue value. | 1.0 |
Returns "OK" on success.
Modulate percent hue, saturation, and brightness of an image. Modulation of saturation and brightness is as a ratio of the current value (1.0 for no change). Modulation of hue is an absolute rotation of -180 degrees to +180 degrees from the current position corresponding to an argument range of 0 to 2.0 (1.0 for no change).
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