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Today's Topics:
1. Re: svg:transform rotate (Hans Breuer)
2. Re: svg:transform rotate (Andrey Repin)
3. A trick for shape creators (Andrey Repin)
4. Re: svg:transform rotate (Andrey Repin)
----------------------------------------------------------------------
Message: 1
Date: Mon, 16 Mar 2015 22:13:10 +0100
From: Hans Breuer <hans breuer org>
To: dia-list gnome org
Subject: Re: svg:transform rotate
Message-ID: <55074766 1000105 breuer org>
Content-Type: text/plain; charset=utf-8; format=flowed
Am 16.03.2015 um 03:07 schrieb Andrey Repin:
> Greetings, Hans Breuer!
>> But with master you can load the respective SVG and export it as shape to
>> get the desired effect (see attachement).
>
> I've got around it by using svg:path. However, the "z" command is not executed
> correctly, leaving a visual gap in place of the joint.
>
Gap confirmed with dia-0-97 branch and GDK renderer. One benefit of the big
renderer interface change on master is preserving the close information.
Formerly only Renderer::fill_bezier() was known to be closed, while
Renderer::draw_bezier() was used for closed or open stroking. Now there is
Renderer::draw_beziergon() to stroke and/or fill.
> [...]
> However, there's another problem with this shape.
> 1. I can't seem to make it 3x3, even if I add a background r=1.5 circle, the
> resulting shape is a little thinner. Is this, perhaps, because ellipse is a
> little taller than 3 units?
Good guess, but it works for me with current master and the r=1.5 circle.
> 2. How can I override the line colors and styles for certain elements of the
> shape?
Again this works for me with master. Setting shape colors is certainly
possible with dia-0-97 as well, but I can confirm the lack of color with
the released version and your shape. It is because of a deficiency
extracting the color name from the style string. Two workarounds:
1) use numeric color representation
2) use stand-alone fill/stroke attributes
> 3. When double-clicking the shape, I'm unable to set default line thickness.
> And it always revert to 10mm on each new Dia start. With whole shape being
> ~30mm... kind of not the visual I'm aiming for. Is this something that can be
> worked around?
>
With master the kludge would be to get rid of the stroke-width by using a
path with hole. For dia-0-97 I dont know a solution as explained in
https://mail.gnome.org/archives/dia-list/2008-July/msg00084.html
HTH,
Hans
-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it. -- Dilbert
------------------------------
Message: 2
Date: Tue, 17 Mar 2015 02:22:45 +0300
From: Andrey Repin <anrdaemon freemail ru>
To: Hans Breuer <dia-list gnome org>
Subject: Re: svg:transform rotate
Message-ID: <11310647731 20150317022245 yandex ru>
Content-Type: text/plain; charset=us-ascii
Greetings, Hans Breuer!
>>> But with master you can load the respective SVG and export it as shape to
>>> get the desired effect (see attachement).
>>
>> I've got around it by using svg:path. However, the "z" command is not executed
>> correctly, leaving a visual gap in place of the joint.
>>
> Gap confirmed with dia-0-97 branch and GDK renderer. One benefit of the big
> renderer interface change on master is preserving the close information.
> Formerly only Renderer::fill_bezier() was known to be closed, while
> Renderer::draw_bezier() was used for closed or open stroking. Now there is
> Renderer::draw_beziergon() to stroke and/or fill.
>> [...]
>> However, there's another problem with this shape.
>> 1. I can't seem to make it 3x3, even if I add a background r=1.5 circle, the
>> resulting shape is a little thinner. Is this, perhaps, because ellipse is a
>> little taller than 3 units?
> Good guess, but it works for me with current master and the r=1.5 circle.
I'm going to make the ellipse a little smaller. Perhaps, my math to get
endpoints was a little too lax in rounding.
>> 2. How can I override the line colors and styles for certain elements of the
>> shape?
> Again this works for me with master. Setting shape colors is certainly
> possible with dia-0-97 as well, but I can confirm the lack of color with
> the released version and your shape. It is because of a deficiency
> extracting the color name from the style string. Two workarounds:
> 1) use numeric color representation
> 2) use stand-alone fill/stroke attributes
>> 3. When double-clicking the shape, I'm unable to set default line thickness.
>> And it always revert to 10mm on each new Dia start. With whole shape being
>> ~30mm... kind of not the visual I'm aiming for. Is this something that can be
>> worked around?
>>
> With master the kludge would be to get rid of the stroke-width by using a
> path with hole. For dia-0-97 I dont know a solution as explained in
> https://mail.gnome.org/archives/dia-list/2008-July/msg00084.html
I see at least one way of doing this, that is transparent and portable.
If the style information is set using style=... or dia:style=... attribute,
present it as Dia internal (customizable) attributes (to the best possible
effect). In this case, values specified by shape are default values, if they
make sense.
If the style is present as svg:style=... - interpret it literal.
When exporting to the SVG, just append real values of internal attributes to
the list of literal attributes.
This way, I could go with something like
<shape xmlns="http://www.daa.com.au/~james/dia-shape-ns"
xmlns:dia="http://www.daa.com.au/~james/dia-shape-ns"
xmlns:svg="http://www.w3.org/2000/svg">
<name>Custom - Styles mix</name>
<svg:svg width="300px" height="300px" viewBox="0 0 3 3">
<svg:circle dia:style="stroke: foreground;"
svg:style="fill: yellow; fill-opacity: 255; stroke-width: 0.1;
stroke-dasharray: 1 0.75; stroke-dashoffset: .5;"
cx="1.5" cy="1.5" r="0.5"/>
</svg:svg>
</shape>
And only control stroke color from Dia, while the rest is hardcoded in shape.
--
WBR,
Andrey Repin (anrdaemon freemail ru) 17.03.2015, <01:59>
Sorry for my terrible english...
------------------------------
Message: 3
Date: Tue, 17 Mar 2015 04:25:51 +0300
From: Andrey Repin <anrdaemon freemail ru>
To: All <dia-list gnome org>
Subject: A trick for shape creators
Message-ID: <63672500 20150317042551 yandex ru>
Content-Type: text/plain; charset=us-ascii
Greetings, All!
If you are like me, and want to make a number of very simple, but high-quality
shapes from scratch, there's a little trick you can use to make your life a
little easier in a long run.
Create a symbolic link to your .shape file and name it "Yourshapename.svg" or
"Yourshapename.xml", then use any SVG-enabled browser to preview your work.
Opera, IE, Mosilla - make your choice.
Just add necessary viewport specifications to <svg:svg /> element, like this:
<svg:svg width="300px" height="300px" viewBox="0 0 3 3">
Unfortunately, SVG specification forbid the use of negative viewBox
coordinates, but you can work around it by using transform:translate().
P.S.
It seems like only Opera 12 correctly parse namespaced attributes.
I'm unimpressed.
--
WBR,
Andrey Repin (anrdaemon freemail ru) 17.03.2015, <03:09>
Sorry for my terrible english...
------------------------------
Message: 4
Date: Tue, 17 Mar 2015 05:14:54 +0300
From: Andrey Repin <anrdaemon freemail ru>
To: Hans Breuer <dia-list gnome org>
Subject: Re: svg:transform rotate
Message-ID: <1054235689 20150317051454 yandex ru>
Content-Type: text/plain; charset=us-ascii
Greetings, Hans Breuer!
>>> But with master you can load the respective SVG and export it as shape to
>>> get the desired effect (see attachement).
>>
>> I've got around it by using svg:path. However, the "z" command is not executed
>> correctly, leaving a visual gap in place of the joint.
>>
> Gap confirmed with dia-0-97 branch and GDK renderer. One benefit of the big
> renderer interface change on master is preserving the close information.
> Formerly only Renderer::fill_bezier() was known to be closed, while
> Renderer::draw_bezier() was used for closed or open stroking. Now there is
> Renderer::draw_beziergon() to stroke and/or fill.
Now, you make me want to set up windows building environment for Dia >.<
Are you up for answering a bunch of stupid questions?
>> [...]
>> However, there's another problem with this shape.
>> 1. I can't seem to make it 3x3, even if I add a background r=1.5 circle, the
>> resulting shape is a little thinner. Is this, perhaps, because ellipse is a
>> little taller than 3 units?
> Good guess, but it works for me with current master and the r=1.5 circle.
After another try it worked for me too. Thanks.
>> 2. How can I override the line colors and styles for certain elements of the
>> shape?
> Again this works for me with master. Setting shape colors is certainly
> possible with dia-0-97 as well, but I can confirm the lack of color with
> the released version and your shape. It is because of a deficiency
> extracting the color name from the style string. Two workarounds:
> 1) use numeric color representation
> 2) use stand-alone fill/stroke attributes
Got it with numeric colors, thank you.
--
WBR,
Andrey Repin (anrdaemon freemail ru) 17.03.2015, <05:11>
Sorry for my terrible english...
------------------------------
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