[Chameleon] ImageObjects and gd images

[Huub Fleuren]

Hello

I would like to compose a final layout image from a drawn map and 
scalebar image from the mapserver and a default layout, which is a PNG 
on disk.

I found that a $layout_img gd image object create with 

    $layout_img=imagecreatefrompng("a4portrait.png");

is not the same as an imageobject create with mapscript like
   
    $oImage = oMap->draw();


A solution to this would be to save the map

    $szMapUrl = $oImage->saveWebImage("")

and read such file with gd to paste a new image together from diskfiles


But i would rather paste the final layout with oMap->pasteImage 
functionality.

This would be possible, if a MapScript imageObject coould be read from file

or i'm missing something: can a gd image be cast into a mapscript image 
object?


Greetings

Huub


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