Legacy ImageMagick Discussions Archive

Thank you. The command I used, essentially yours, which works is convert -size 128x128 xc:#231F20 mask.gif -alpha Off -compose CopyOpacity -composite c.png This assumes mask.gif is a 128x128 greyscale image. Not sure if 'alpha Off' is actually necessary, but the result is a shape on a transparent ...

Thank you for your reply. I get the following errors from the command given: convert: unable to open image `canvas:none': @ error/blob.c/OpenBlob/2489. convert: unable to open image `canvas:#231F20': @ error/blob.c/OpenBlob/2489. convert: missing an image filename `output.png' @ error/convert.c ...

Hello, I'm trying to create a variation of the command that can composite an image over a background, through a mask, as described here: http://www.imagemagick.org/Usage/compose/#mask Instead of use two images saved on disc as the source images, I would like to create the source images in memory. I ...