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GMImage.Compare

Compares current image with another image.

Parameters

Parameter	Description	Example
ImageRef	The image reference number.	1
OtherImageRef	The image reference number.	1

Result

Returns true if equal and false if not equal.

Description

Examples

Compare images:

Set Variable [$img1; Value:MBS( "GMImage.NewFromContainer"; test::Container1 )]
Set Variable [$img2; Value:MBS( "GMImage.NewFromContainer"; test::Container2 )]
Set Variable [$result; Value:MBS( "GMImage.Compare"; $img1; $img2 )]
If [$result = 1]
    Show Custom Dialog ["Image Comparison"; "equal"]
Else If [$result = 0]
    Set Variable [$e; Value:MBS( "GMImage.NormalizedMaxError"; $img1 )]
    If [$e ≠ 0 and $e < ,03]
        Show Custom Dialog ["Image Comparison"; "very similar: " & MBS( "GMImage.NormalizedMaxError"; $img1 )]
    Else
        Show Custom Dialog ["Image Comparison"; "not equal"]
    End If
End If
Set Variable [$r; Value:MBS("GMImage.Release"; $img1)]
Set Variable [$r; Value:MBS("GMImage.Release"; $img2)]

See also

• GMImage.Coders
• GMImage.Composite
• GMImage.New
• GMImage.NewFromContainer
• GMImage.Normalize
• GMImage.NormalizedMaxError
• GMImage.Release
• GMImage.Repage
• GMImage.Rotate
• GMImage.Sample

Created 18th August 2014, last changed 21st December 2018

GMImage.Columns   -   GMImage.Composite

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