Fun with the templateimage

[Richard Gaskin]

The "import snapshot" command had an "at size" option added several 
versions ago to facilitate some scaling tasks:

    import snapshot from the selectedObject at size 100,100

But oddly, no such option has been added to the "export snapshot" command.

-- 
  Richard Gaskin
  Fourth World Systems


Bob Sneidar wrote:
> Or better yet: -- No error checking, assumes parameters are correct. Also not tested. :-)
> 
> on exportScaledImage pSourceFile, pDestFile, pScaleFactor, pFormat
>    ## My good ol' banana, older users of MC might remember that one :-D
>    set the filename of the templateimage to pSourceFile
>    
>    ## This was a know (to me) feature
>    put the formattedwidth of the templateimage into tFW
>    put the formattedheight of the templateimage into tFH
>    ## Now you can apply some "rule of three" to scale the image while preserving its ratio
>    ## I'll leave that up to you... :-)
>    
>    ## I cheated a bit:
>    set the width of the templateimage to round(tFW * (pScaleFactor /100))
>    set the height of the templateimage to round(tFH * (pScaleFactor /100))
>    
>    ## But this one really suprised me:
>    switch pFormat
>       case "JPEG"
>          export the templateimage to file (pDestFile) as JPEG
>          break
>       case "BMP"
>          export the templateimage to file (pDestFile) as BMP
>          break
>       case "PNG"
>          export the templateimage to file (pDestFile) as PNG
>          break
>    end switch
>    
>    reset the templateimage
> end exportScaledImage