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GMImage.AddNoiseChannel

Component: GraphicsMagick
Mac OS X: Works
Windows: Works

MBS( "GMImage.AddNoiseChannel"; ImageRef; ChannelType; noiseType )

Parameters

Parameter Description Example value
ImageRef The image reference (a number returned from the GMImage.New functions) 1
ChannelType One of the following values: RedChannel = 1 (RGB Red channel), CyanChannel = 2 (CMYK Cyan channel), GreenChannel = 3 (RGB Green channel), MagentaChannel = 4 (CMYK Magenta channel), BlueChannel = 5 (RGB Blue channel), YellowChannel = 6 (CMYK Yellow channel), OpacityChannel = 7 (Opacity channel), BlackChannel = 8 (CMYK Black (K) channel), MatteChannel = 9 (Same as Opacity channel (deprecated)), AllChannels = 10 (Color channels), GrayChannel = 11 (Color channels represent an intensity.) 1
noiseType UniformNoise = 0, GaussianNoise = 1, MultiplicativeGaussianNoise = 2, ImpulseNoise = 3, LaplacianNoise = 4, PoissonNoise = 5. 0

Result

Returns "OK" on success.

Description

Add noise to image with specified noise type.

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