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The saga of GIMP and PNGs with transparency

Forums ► For GIMP users ► The saga of GIMP and PNGs with transparency

Sent: 2012-02-01 18:02:05 UTC (4 months ago)

From: Keith Purtell

The saga of GIMP and PNGs with transparency

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I started this general topic in another thread, but everything I was told
there is working. I have a new issue with the steps suggested:

When I have an image open in the native GIMP format, and highlight the
white margin borders (w/magic wand) around the content, and change it to an
alpha channel, which coverts it to the classic "checkerboard" that
indicates transparency, then export a PNG .... any subsequent PNG-to-SWF
conversion (tested five brands of software) results in that transparent
area turning completely black. What am I doing wrong?

Keith

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Sent: 2012-02-01 18:11:02 UTC (4 months ago)

From: Liam R E Quin

The saga of GIMP and PNGs with transparency

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On Wed, 2012-02-01 at 12:02 -0600, Keith Purtell wrote:
> [...]

> any subsequent PNG-to-SWF
> conversion (tested five brands of software) results in that transparent
> area turning completely black. What am I doing wrong?

Using proprietary formats such as Flash/swf? :-)

Make sure your image is in RGB mode, not indexed.

http://graphicdesign.stackexchange.com/questions/2793/transparency-in-swf-file-created-using-png-image

may or may not help.

Liam

Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
Ankh: irc.sorcery.net irc.gnome.org www.advogato.org

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