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Re: [Gnash-dev] loading byte arrays or streams directly into gnash

From: strk
Subject: Re: [Gnash-dev] loading byte arrays or streams directly into gnash
Date: Wed, 1 Apr 2009 08:47:15 +0200

You can use MovieClip.loadMovie(<url>) to load a bitmap file
into a MovieClip/sprite (jpg, png, gif).
Then control their appearence using ActionScript.

Strict BitmapFilters (introduced in SWF8) are not yet implemented 
in any of the Gnash renderers tought, so might need some coding there.


 Free GIS & Flash consultant/developer      ()  ASCII Ribbon Campaign  /\  Keep it simple! 

On Tue, Mar 31, 2009 at 08:33:50PM -0400, dww wrote:
> I was interested in the possibility of using gnash as a gui widget to
> load and display medical imaging clips.
> So for example in an application a medical imaging application may have
> multiple clips playing at once say 3x3 clips.  but you can dynamically
> set the array size via menu selection.  The clips could at the extreme
> be 1024x1024  pixels in size and come from JPEG compressed or
> uncompressed source files, for example.  The clips could be up to 100
> frames and play cyclically any where from 15 up to 60 frames per second.
> Usually in Windows you would do this by having a bitmap object in memory
> and have the object write to a device context on the screen.  Would
> Gnash be a practical widget(instance per clip) to use in such an
> application or are there are other basic approaches in the Gnu/Linux
> world? Can a byte array or stream be directly loaded into Gnash instead
> of something like a swf file? One of the reasons to do so is so one can
> do image processing like brightness, contrast, high pass filtering, edge
> effects etc so that externally you control and load the individual
> frames.  Could Gnash be made to do image processing like mentioned and
> dynamically?
> Thanks, I am just exploring the issue for now.
> Dennis

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