On Mon, 12 Apr 2004 12:37:58 +0900 Carsten Haitzler (The Rasterman)
<[EMAIL PROTECTED]> writes:
> On Sun, 11 Apr 2004 04:26:25 -0700 (PDT) Ogla Sungutay
> <[EMAIL PROTECTED]>
> babbled:
>
> ....
> > similarities? Could they be used together, like say
> > Ecore-SWF?
>
> technically- yes - but evas for example lacks matrix transforms,
> splines, radial
> fills, and several other "required" things. fonts are done
> differently to flash
> where last i checked it did them from the spline/curve/line
> primitives directly,
> and not via ttf's etc. with a LOT of effort i guess all this could
> be added and
> an E based SWF viewer/player would be possible - but for now i don't
> really see
> a need and don't have time myself. also implementing all of these
> things is no
> trivial task - well not trivial to make it FAST and still look good.
>
Indeed. It's not too difficult to write these things.. *But*,
to write them accurately enough so things look good, and do this
FAST.. that's not so easy.
> .....
> > 4. Considering we have Beziers, any thoughts on SVG
> > rendering?
>
> we'd need bezier curve clipping (ie render image, other
> object/primitive clipped
> to a bezier curve path) in fact we really need arbitrary clipping -
> ie clip the
> rendered output of lets say gradients, lines, polys, images to any
> other of
> these in the most optimal way (or any combination of these ie an
> image scaled
> and blended to a dest,m but clipped to another image mask that is
> scaled
> differently, and this mask is clipped to a polygon that is clipped
> to a bezier
> that is clipped to a text glyph output.....) you get the idea - this
You really only need to implement multiplication
of pixels to have the core for this (or at least, multiply pixels
by alpha pixels)... But then you'd still need a good way to
organize this into a workable set of interfaces..
> is very
> useful. can be used for making "textured text" ie text font with
> some coloured
> texture in it - take an image as th texture, clip it to the font -
Textured text!! Oh NOW you want textured text!
> bingo. this
> hasn't been done yet due to simplicity and optimization reasons.
> long before
> that it wasn't done due to opengl not fully supporting pbuffers for
> a long time.
> also i want to support some filter methods. particularly "Blurring"
> of an object
> prior to composting. doing this fast in software is had - doing it
> fast with
> opengl is also hard. this would let us easily do soft drop shadowed
> text with
> much less overhead. it will allow all sorts of other effects like
> fading in
> whiles going from massively blurred to clear and sharp etc. this is
> definitely
> on my "some time" plan... that and clipping are right near the top
>
Sounds good! How about bump-mapped textured text :)
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