Animations with full alpha in Qt?

StackOverflow https://stackoverflow.com/questions/153295

  •  03-07-2019
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Question

Is there an animation format supported in Qt (using v4.4) that will support a full alpha channel? GIF only has one-bit transparency, and I don't think Qt supports APNG. Update: MNG seems to be supported, but that's even less popular than APNG! Maybe SVG is my best bet.

Was it helpful?

Solution

Qt supports SVG 1.2 Tiny as well as GIF and MNG. On a side-note, an animation API is being worked on which might be interesting for you;

http://labs.trolltech.com/blogs/2008/11/05/qt-animation-framework/ and http://labs.trolltech.com/page/Projects/Graphics/Kinetic

OTHER TIPS

Use the Animation codec with Quicktime, it supports a full alpha channel. Just chooose "Million of Colors+" when you select the Animation codec. You may need to enable "legacy codecs" option in the advanced settings.

Without knowing much of Qt, I will mention MNG and SVG, perhaps.

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