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[Gnash-commit] [bug #47540] Gnash should support rendering SWF without b

From: Nutchanon Wetchasit
Subject: [Gnash-commit] [bug #47540] Gnash should support rendering SWF without background color
Date: Sun, 27 Mar 2016 14:31:36 +0000
User-agent: Mozilla/5.0 (X11; Linux i686; rv:25.8) Gecko/20151123 Firefox/31.9 PaleMoon/25.8.1

Follow-up Comment #2, bug #47540 (project gnash):

I have done additional research on Gnash's screenshotting mechanism
and some bits on Gnash's _AGG-based_ rendering; I found that Gnash is,
in fact:

* ...already using 32-bit RGBA pixel format when rendered in `dump-gnash`.
* ...apparently using some form* of truecolor+alpha pixel format when rendered
in `gtk-gnash`.
* ...already using 32-bit PNG screenshot output (if requested to save
screenshot in PNG format).
* ...already using 32-bit RGBA raw video format when dumping video.

Things that need to be done are just adding capability to turn SWF background
rendering off, and providing switch (`--transparent` or something similar)
to enable it.

Gnash: 0.8.11dev (git a72afa5 9-Mar-2016)
System: Debian GNU/Linux 7.0 Wheezy i386

*Note: AGG pixel format on `gtk-gnash` is set to the format queried from GDK.
I'm still not sure how different display configuration could affect this.
(e.g. When user is using 16bpp display mode)


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