Monkeybread Software - MBS Filemaker Plugin: GMImage.UnsharpmaskChannel

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GMImage.UnsharpmaskChannel

Component: GraphicsMagick
Version: 2.0
Mac OS X: Works
Windows: Works

MBS( "GMImage.UnsharpmaskChannel"; ImageRef; ChannelType; radius; sigma; amount; threshold )

Parameters

Parameter Description Example value

ImageRef The image reference (a number returned from the GMImage.New functions) 1

ChannelType 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.)

radius the radius of the Gaussian, in pixels, not counting the center pixel. 3

sigma the standard deviation of the Gaussian, in pixels. 1

amount the percentage of the difference between the original and the blur image that is added back into the original. 50

threshold the threshold in pixels needed to apply the diffence amount. 3

Parameter	Description	Example value
ImageRef	The image reference (a number returned from the GMImage.New functions)	1
ChannelType	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.)
radius	the radius of the Gaussian, in pixels, not counting the center pixel.	3
sigma	the standard deviation of the Gaussian, in pixels.	1
amount	the percentage of the difference between the original and the blur image that is added back into the original. 50
threshold	the threshold in pixels needed to apply the diffence amount.	3

Result

Returns "OK" on success.

Description

Replace image with a sharpened version of the original image using the unsharp mask algorithm.

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