LiveCode Forums.

How can I set the "transparent"-color of an Image-object (JPG or png) so that I get some Parts of my Image Transparent to the underlining one.

JPG doesn't support transparency.

IIRC PNG supports it through the alpha channel, rather than through the setting of a color as with GIF.

PNG alpha data can be obtained through the image's alphaData property, and you can manipulate those pixels however you want.

Hi. You can set the blendLevel of an image.

Import a JPEG as "a control" from the "File" menu. There are a million forms of "ink", though the default is "srcCopy". Put your image above another object. The transparency can be adjusted as required.

Craig Newman

Thanks a lot for the informations.
I've transfered the Images into PNG (with GIMP) and adding a Alpha-Level.

Greets