copyPixel and Masks

[Stephen Ingrum]

I'm trying to create a series of thumbnails with rounded corners.  Do I 
*have* to do it in two passes (see below)?
It works fine, just trying to optimize...

--aTemplate=the member of the template image (160x120 with rounded corners)
--inMember=the member of the large image
--aMask= (member identical to aTemplate except 1 bit).image.createmask()
--outMember=new(#bitmap)
on createThumbNail aTemplage, inMember, outMember
  
   --get thumbnail template image
   tmpImage=aTemplate.image.duplicate()
  
   --simplified for list purposes
   destRect=rect(0,0,160,120)

   --PASS 1
   --create thumbnail out of larger image
   tmpImage.copyPixels(inMember.image, destrect,inmember.rect)
   --PASS 2
   --now round the edges of thumbnail
   outImage=aTemplate.image.duplicate()
   outImage.copyPixels(tmpImage,destRect,destRect,[#maskimage:amask])
   outMember.image=outImage 

end

--
   Thank you,
   Stephen
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