PNG with No Alpha Channel?
viktoras at ekoinf.net
Tue Jun 10 02:58:26 CDT 2008
if you export image as paint, then it is exported in ppm (portable
pixelmap) format (uncompressed RGB without alpha channel). You can load
ppm files with Rev too.
Trevor DeVore wrote:
> I need to export a PNG image from a Revolution image control that has
> no alpha channel information whatsoever.
> The 'export' command seems to always include the alpha channel even if
> there are no transparent areas in the image.
> I've also tried loading an image file into an image control an
> transferring the imageData to another image and then storing the text
> of the second image in a file (paintCompression set to "png"). The
> file still appears to have an alpha channel though. qrtPDF says the
> file does and Preview on OS X gives me the option of whether or not to
> include the Alpha channel if I try to export the resulting image from
> Anyone know how to produce a PNG without an alpha channel using
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