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Re: [PATCH] no-outline-stencil backend property
From: |
David Kastrup |
Subject: |
Re: [PATCH] no-outline-stencil backend property |
Date: |
Tue, 24 Jan 2017 21:12:55 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Knut Petersen <address@hidden> writes:
> Am 24.01.2017 um 14:49 schrieb David Kastrup:
>>
>>>> What a steaming heap of something. So your code would likely have
>>>> worked in LilyPond 2.16. I think it would make sense to create a new
>>>> type of stencil expression explicitly intended to bypass
>>>> outlining. Probably by just containing _two_ stencils: one for
>>>> typesetting, one for outlining. That would make for a much more
>>>> transparent manner of programming things like that.
>>> There's no need for two stencils.
>> That's what you claim. And then you use no-outline on your stencil,
> yes, here only expr_ is extended, it's still one stencil
>> and
>> use \with-dimension in order to stack this with another stencil that has
>> just a box outline (one that survives into both dimensions as well as
>> outline). I still count two.
> Why should I use with-dimension? The original stencil and its dimensions
> are unchanged and will be used in the stencil interpreter. no-outline() hides
> the dimensions from the code in stencil-integral.cc, but they are still
> present
> and the stencil interpreter uses them.
>
>>> I propose to include the attached code.
>> Which completely _drops_ any outline. So if you want a different
>> outline, you need to combine this with some stencil that has an outline
>> but no ink. How do you remove the ink from arbitrary stencils? You
>> can't. So you are tied down to use this trick in connection with
>> stencils that insist on having an outline but no ink.
>
> David, this is NO-outline code. It' not a fake-some-arbitrary-outline-stencil.
>
> The code is useful for e.g. whiteout, watermarks etc. Define a stencil as
> usual,
> color it, scale it, whatever else. Just mark a stencil x with x.no_outline();
>
> The result is:
> -> the outline is completely ignored in stencil_traverser(),
> so no collisions are detected.
> -> the stencil is drawn in interpret_stencil_expression() as
> it would be drawn without the no_outline layer.
Sort of complementary to transparent-stencil (which is
outline/dimension-only, no ink).
I think I'd prefer to cast both in terms of the same primitive.
--
David Kastrup
- Re: C++ question:, (continued)
- Re: C++ question:, David Kastrup, 2017/01/20
- Re: C++ question:, Knut Petersen, 2017/01/20
- Re: C++ question:, David Kastrup, 2017/01/20
- Re: C++ question:, Knut Petersen, 2017/01/21
- Re: C++ question:, Knut Petersen, 2017/01/22
- Re: C++ question:, David Kastrup, 2017/01/22
- [PATCH] no-outline-stencil backend property, Knut Petersen, 2017/01/24
- Re: [PATCH] no-outline-stencil backend property, David Kastrup, 2017/01/24
- Re: [PATCH] no-outline-stencil backend property, Knut Petersen, 2017/01/24
- Re: [PATCH] no-outline-stencil backend property, David Kastrup, 2017/01/24
- Re: [PATCH] no-outline-stencil backend property,
David Kastrup <=
- Re: [PATCH] no-outline-stencil backend property, David Kastrup, 2017/01/24