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GMImage.Threshold

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

MBS( "GMImage.Threshold"; ImageRef; threshold )

Parameters

Parameter Description Example value
ImageRef The image reference (a number returned from the GMImage.New functions) 1
threshold The range of the threshold parameter is 0 to MaxRGB (255). 127

Result

Returns "OK" on success.

Description

Threshold image channels (below threshold becomes black, above threshold becomes white).

Examples

Applies a threshold on the image:

Let ( [
$Image = MBS("GMImage.NewFromContainer"; GraphicsMagick::image);
$Result = MBS("GMImage.Threshold";$Image; 127);
$Result = MBS("GMImage.WriteToJPEGContainer"; $Image);
$Error = MBS("GMImage.Destroy";$Image)
];
$Result)

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Links
MBS Real Studio Plugins - Pfarrgemeinde Ministranten Nickenich