FillStyles in borders

> Just wondering if anyone would like to be able to use fill styles in borders
> (rather than just colours)...
>
> Gary
>
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> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]]On Behalf Of Alain Plantec
> Sent: 17 June 2008 8:24 AM
> To: Squeak's User Interface
> Subject: Re: [UI] FillStyles in borders
>
>
> On Monday 16 June 2008 19:21:40 Gary Chambers wrote:
> > Just wondering if anyone would like to be able to use fill
> styles in borders
> > (rather than just colours)...
> I would like it.
> thanks
> alain
> >
> > Gary
> >
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> >
> >
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>
> Just for example:
>
> Morph new
> extent: 200@150;
> borderStyle: (FillStyleBorder new
> width: 20;
> fillStyle: ((GradientFillStyle
> colors: {Color red. Color green})
> origin: 0@0;
> direction: 200@150));
> openInHand
>
> Regards, Gary.
>

>>
>> Just for example:
>>
>> Morph new
>>       extent: 200@150;
>>       borderStyle: (FillStyleBorder new
>>               width: 20;
>>               fillStyle: ((GradientFillStyle
>>                                       colors: {Color red. Color green})
>>                                       origin: 0@0;
>>                                       direction: 200@150));
>>       openInHand
>>
>> Regards, Gary.
>>
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> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]]On Behalf Of Igor Stasenko
> Sent: 27 June 2008 3:04 PM
> To: [hidden email]; Squeak's User Interface
> Subject: Re: [UI] FillStyles in borders
>
>
> 2008/6/27 Alain Plantec <[hidden email]>:
> > On Friday 27 June 2008 12:28:00 Gary Chambers wrote:
> >> The lastest (version Pinesoft-Widgets-gvc.324) of Widgets on
> SqueakSource
> >> now has support for FillStyleBorder. Should also support use
> of composite
> >> fill styles.
> > I like that. thanks.
> > Do you think it can be possible to get rid of old border styles
> (inset, outset ...)
> > and replace them with FillStyleBorder together with a
> GradientFillStyle ?
> > (by having 4 different fillstyles, each one for one side maybe ?).
> > alain
>
> If it not slows things down a lot, then why not.
> In discussions with Gary we both agreed that it would be good if
> drawing primitives could be based on uniform model:
> any drawing operation can be represented by a function(shape,
> arguments .. )
>
> This update getting us closer to such representation.
> The number of supported functions currently are quite few:
> - draw with solid color
> - draw with gradient
> - draw with infinite form
> - draw with finite form (also known as blitting)
>
> but its difficult to make a clean implementation on top of graphic
> primitives, which we currently have.
> Most of primitives are optimized for single kind of shape - line ,
> rectangle, ellipse. But none of them can use any shape as input.
>
> >>
> >> Just for example:
> >>
> >> Morph new
> >>       extent: 200@150;
> >>       borderStyle: (FillStyleBorder new
> >>               width: 20;
> >>               fillStyle: ((GradientFillStyle
> >>                                       colors: {Color red. Color green})
> >>                                       origin: 0@0;
> >>                                       direction: 200@150));
> >>       openInHand
> >>
> >> Regards, Gary.
> >>
> > _______________________________________________
> > UI mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/mailman/listinfo/ui
> >
>
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
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> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]]On Behalf Of Igor Stasenko
> Sent: 27 June 2008 3:35 PM
> To: Squeak's User Interface
> Subject: Re: [UI] FillStyles in borders
>
>
> 2008/6/27 Gary Chambers <[hidden email]>:
> > Perhaps a "clean" model coul;d be something for Pharo...
> >
> > Maybe borders could be modelled via a decorator pattern to do
> away with some of these special cases.
> > (think fillWith: fillStyle clippingTo: generalClipShape)The
> border (itself a morph) being a decoration of the morph... or
> maybe not called morph in a generalised framework, though
> interpreted that way for Morphic support...
> >
> > Then again, to go the full-hog, the "ordinates" idea should
> cover all bases (with adaptation to Morphic).
> >
> > Just a thought.
> >
>
> Btw, i was wrong: there is a 'generic' shape drawing primitives in
> BalloonEngine. They used mostly to draw arbitrary Bezier shapes. For
> instance, an SVGMorph using it to draw any SWG graphic - be it a set
> of lines/curves or anything else.
>
> It would be interesting, how this can be adopted to draw anything. So,
> we could have few primitives which draw every bit on screen.
>
>
> > Gary.
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
> _______________________________________________
> UI mailing list
> [hidden email]
> http://lists.squeakfoundation.org/mailman/listinfo/ui
>

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]]On Behalf Of Igor Stasenko
> Sent: 27 June 2008 3:43 PM
> To: Squeak's User Interface
> Subject: Re: [UI] FillStyles in borders
>
>
> 2008/6/27 Gary Chambers <[hidden email]>:
> > Aye, clipping is another matter though (would want the
> "interior" of a border to not be drawn, for performance and not
> having to wory about draw-order/translucency issues).
>
> Well, in general, clipping is nothing more than a boolean operation on
> shapes: you take two shapes , subtract one from another and you got
> another shape which is a result of clipping.
>
> The order of drawing is important , of course.
> If we could get rid of borders and replace them with more generic
> 'decoration' concept, then order is obvious: first, draw a morph ,
> then draw decoration.
>
> >
> > Gary
> >
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
> _______________________________________________
> UI mailing list
> [hidden email]
> http://lists.squeakfoundation.org/mailman/listinfo/ui
>

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]]On Behalf Of Igor Stasenko
> Sent: 27 June 2008 4:08 PM
> To: Squeak's User Interface
> Subject: Re: [UI] FillStyles in borders
>
>
> 2008/6/27 Gary Chambers <[hidden email]>:
> > Except when the border and interior overlap... (which can be
> desired, modern "Mac style" default focus indications, as an example).
> > Again, for that, a decoration would be best (not a border in
> the strictest sense).
> >
> > As for clipping, the lack of low-level support for arbitrary
> shape clipping in Balloon is a problem and stencil-based clipping
> might be computationally expensive in BitBlt.
>
> Stencil-based clipping has its own drawbacks: its very hard to draw
> shapes antialiased once you clip area on per-pixel basis.
> I think, better would be to keep with shapes, and make engine which
> can have a notion of current clipping shape.
>
> >
> > Gary.
> >
>
> --
> Best regards,
> Igor Stasenko AKA sig.
> _______________________________________________
> UI mailing list
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>