$drawGetImageHeight

Function $drawGetImageHeight give back the height of the image.
Syntax
    $drawGetImageHeight{}
DocumentationFunction $drawGetImageHeight give back the height of the image you have created with $createImage

    Parameter:
      none
    Result:
      Height of the image
    Note:
      using the Image/Draw functions, the content-type of the template needs to be 'image/gif'
Examples
Create an image with a size of (200, 200) as a black rectangle and give back the height of the image:

    $createImage{200}{200}
    $setDrawColor{black}
    $fillRectangle{0}{0}{199}{199}
    $drawGetImageHeight{}
GroupGraphic
Minimum required transaction-mode:NONE
Required scripting permission of the developerPERMISSION_FL_BASIC
Minimum parameters0
Maximum parameters 0
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