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New in version:
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GMImage.Modulate
Component: GraphicsMagick
Version: 2.0
Mac OS X: Works
Windows: Works
MBS( "GMImage.Modulate"; ImageRef; brightness; saturation; hue )
Parameters
| 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 |
Result
Returns "OK" on success.
Description
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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