gmane.comp.graphics.inkscape.devel

Embedded inline graphics and SVG ?

Ivan Louette — 2012-05-23T14:25:00

I pick this up from the announcement of Xara Designer 8.

This is a great feature but I don't know if this is compatible with svg. Freehand had it already a long time ago, and DTP programs like QuarkXPress also (but the later can also embed bitmap images on text lines, which is a must !)


" Designer MX now allows you to embed 'inline graphics' in text using a simple Paste operation. Embedded graphics are great for really small items on the line such as symbols, icons etc, and are treated just like a 'character', in other words they flow and follow the same formatting rules as a character embedded in the text. "

ivan
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Mesh tool added to trunk

Tavmjong Bah — 2012-05-23T12:17:46

Hi,

My Mesh branch suffered from serious bit rot. This is good as it shows
how fast Inkscape code is progressing. But it also required several days
of work to get the mesh branch in sync... not so good. I have thus
merged the branch with trunk so I won't have to go through this pain
again. One major change I made was to create a separate Mesh tool. The
editing mode for meshes is significantly different from that for linear
and radial gradients that I think this makes the most sense.

By default, the Mesh tool is not shown. You can enable it at compile
time by editing the file widgets/toolbox.cpp to define WITH_MESH. To
actually see meshes, you must have compiled and linked to a version of
Cairo greater to or equal to 1.11.4. Cairo version 12.0 would be
preferred as 1.11.4 has bugs that cause frequent Inkscape crashes.

Note, meshes are to be considered experimental. The SVG working group
has endorsed their inclusion in SVG2 but the exact syntax has not been
fixed. Inkscape is the only program/browser/re

SVG Path contains vertical bar |

Ogla Sungutay — 2012-05-20T12:57:16

Hi guys,

The path d attribute in Inkscape often contains a | character followed by
one or two point coordinates. Does anyone know what this is used for?

Ellipse text change in 11365

Jon Cruz — 2012-05-16T03:14:49

Hi John,

The change in 11365 to shorten text when it gets too long looks great. Quite a handy feature, and very good to pull it out to its own function.

What would make it even nicer would be to use C++ strings instead of C ones. In this case that could change the function declaration to be

    Glib::ustring gr_ellipsize_text(Glib::ustring const &src, size_t maxlen);


Overall I thought this is also a good chance for us to call out a few specifics to the rest of the devs out there, as they might not know all the points you and I are already familiar with.


For everyone out there, some reasoning for a few of those differences:

* Glib::ustring and std::string manage their memory automatically, can share internal buffers, etc. Solves the huge issue of memory management with C strings.

* Using Glib::ustring instead of std::string denotes the intent that the string contents have been standardized into UTF-8. Good to use Glib::ustring wherever applicable.

* Passing in a reference to a constant Glib::ustring

Recursive Drawing

Veronika — 2012-05-15T01:58:46

I just saw the video for a recursive drawing tool and thought you might find it interesting:

http://recursivedrawing.com/ 

It seems like a very natural way for designing L-systems.

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Active guides proposals

Valerie — 2012-05-14T06:10:35

The fact that guide improvement is one of the projects accepted
by Google Summer of Code projects is really good news! 
Guides are particularly helpful features in illustration programs.

I thought it'd be a good time to write up some of the possibilities
of guides. I doubt anyone can implement any of it anytime soon
(certainly not before the current GSOC project is finished), 
but it might be helpful to keep these in mind to not close off 
future possibilities in the definitions or the GUI.

Write-up here:

http://wiki.inkscape.org/wiki/index.php/Active_guide_proposals


As you can see, features I think will can be particularly useful are:

- Symmetry guides: by simply toggling them on and off, you can
enter an improved "mirror" mode. Helpful for everything from
complicated technical illustrations to just drawing some vases 

in some corner.

- Convergence points: this could be a mere feature of a more
general "guide point". When drawing straight lines, the lines
would "snap" to the direction of one of the

Menu and keyboard shortcuts

John Smith — 2012-05-11T14:31:54

Is there a reason Inkscape doesn't show the keyboard shortcuts in the main menu on Linux ?

Keyboard shortcuts show up in the

* Inkscape menus on Windows 
* Inkscape context menus on Linux 

* GIMP main menu on Linux 

... so i'm guessing its not a GTK issue ?------------------------------------------------------------------------------
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Powerstroke presentation at LGM 2012

2012-05-07T23:01:04

Hi all,
  Quick note to tell that I uploaded my presentation about Powerstroke on our wiki.

http://wiki.inkscape.org/wiki/index.php/PowerStroke#LGM_2012_Presentation

I'm sad I had to leave so early and had no time for the party :'( :'(

Ciao,
  Johan



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vector printing win32

Solor Vox — 2012-05-07T05:20:17

Hello,

I've been trying to solve a 2+ year issue with inkscape and my printing
device (laser cutter) not accepting paths as vectors.  All I can seem to
get out of inkscape is rastered images.  Yes, exporting to PDF works, but
it's not a fix and not a great solution either.

As such, I've been digging in the code to inkscape versions 0.46 to 0.48.2
on a win32 platform.

Why was a call to cairo PS level 3 commented out on line 101?  And can you
tell me if the call to renderItem() is sending bitmap or vector data to
the surface?  Where in the code chain might the vector paths be rastered?


Cheers,
sV


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javick2

Ivano Arrighetta — 2012-04-30T09:06:56

signal processing and JAVICK in theory - draft 2 -https://docs.google.com/document/d/19EP2CgK6_EqsZ_nU6YSHcWsmC8ciFs7y1WWmTQw8J2c/edit

Inviato da iPhone
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Possible bug: ruler meters leaving trails

Joachim — 2012-04-30T07:06:31

Hello all,

Have found a possible bug. When using Inkscape on my Sony Vaio VGN-NS11Z 
traces are left by the ruler indicators on the edges of my 'design screen'.

Running Debian Squeeze here.

See attachment for a screenshot.

Regards,
Joachim de Koning - Metasync.info

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javick

Ivano Arrighetta — 2012-04-30T05:32:32

Someone pointed me to videojack, it's almost the same thing

Inviato da iPhone

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javick

Ivano Arrighetta — 2012-04-30T02:40:30

sorry, i posted a wrong url.
right one:
https://docs.google.com/document/d/1Lut6Y6Xe-4ScR9G4Fg6EorTuSp0JKuTP6QRRzrk0kSM/edit

Inviato da iPhone

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javick

Ivano Arrighetta — 2012-04-29T13:33:11

please see:

https://docs.google.com/document/d/1Lut6Y6Xe-4ScR9G4Fg6EorTuSp0JKuTP6QRRzrk0kSM

and comment here

Inviato da iPhone

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Trunk PPA

Josh Andler — 2012-04-28T19:16:12

Hey All,

I just wanted to let people know that I've included the Quantal
(Ubuntu 12.10) series in the PPA builds, so they should start showing
up soon.

Cheers,
Josh

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Retinex color operation

Michael Grosberg — 2012-04-24T20:19:51

I'd like to Discuss Retinex. I decided to do it here before submitting a bug
report.

In theory the retinex operation is very useful in fixing badly lit images. In
practice, I've had little success with it. So I decided to fiddle around with
it. My test picture was a chinese temple on a background of blue sky. usually
you want to just brighten up some darker areas or bring detail in an area 
that's too brightly lit, without changing the rest of the image. In my test
case, The sky's color was ruined when retinex was applied and most of the
well-lit areas lost most of their color.

I'll break down what happened:

1. The properties that can be changed by the sliders in the retinex dialog 
are not clear at all. The documentation doesn't explain the first two in terms
understandable to a non-mathematician. Whatever it is they are doing, they are
not helping in correcting images.

2. The result is too strong. I find I have to do a "fade" every time I use it.
My suggestion: add a multiplier slider that would do an

affine/transform question

mathog — 2012-04-24T18:53:25

In the emf print virtual methods the current transform is pulled out 
with:

     Geom::Affine tf = m_tr_stack.top();

Is the stack supposed to hold the final transform, or just the stack of 
partial transforms?

For instance, for this bug:

   https://bugs.launchpad.net/inkscape/+bug/965594

the text SVG has a set of nested transforms, and the top only returns 
the inner one.  The problem can be
worked around by ungrouping everything, which seems to replace the 
serial transformations with a single one for each object.  Otherwise it 
seems the proper action is to multiply down the transform stack to find 
the final complete transform operation.

It looks like the stack is "fed" by the ::bind method, but that just 
moves the question out a bit, as that method has a call argument which 
is itself a transform.  (Unfortunately "bind" is a common string in this 
code, so grep was not very helpful in locating whatever it is that calls 
the [virtual] ::bind method.)

Thank you,

David Mathog
mathog-7GExONQZ6ZKVc3s

Export without premultiplied alpha?

Tobias Oelgarte — 2012-04-23T05:51:48

Hello,

I used Inkscape in the recent years for great works and it keeps better 
and better. So at first big thanks to all developers that made it possible.

But now to my question. ;-) Does Inkscape support image export (export 
to PNG) without premultiplied alpha? In a recent project I needed images 
with fairly high transparency, but with premultiplied alpha the colors 
inside this image regions are really suffering. As an example you could 
try to export a highly transparent rainbow open it with Gimp and remove 
the alpha channel. It should be clearly visible the the colors are 
strongly quantized.

As long the image is just composited 1:1 over another image this is no 
problem, but in other scenarios it starts to give problems, since the 
color information is missing.

Are there any plans to enable true RGBA (all seperated channels) for at 
least the export? Currently i have to export two images. RGB for the 
colors and a duplicate in graytones for alpha that i then combine to 
true RGBA to avoid the pr

Snapping

Johan Engelen — 2012-04-16T10:53:37

Hi all,
   Am I the only one who finds it annoying that I have to specifically 
enable snapping *to* cusp nodes, in order for them to snap to the grid? 
In other words: I don't like the recent changes to the snapping UI. ;-)

Suggestion: "snap nodes, paths, and handles" enables snapping OF all 
those things; and is completely unrelated for snapping TO those 
thingies. Then the buttons below that are decoupled from it, and mean 
snapping TO the things their tooltip says.

Cheers,
   Johan

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GTK+ 3 build option

Alex Valavanis — 2012-04-14T13:55:29

Hi All,

I've added a new configuration option in r11244 to allow building
against GTK+ 3.

configure --enable-gtk3-experimental

Note that this is only useful for people who want to get involved with
the migration project... at present, all builds with this option
enabled will fail!

The option also automatically searches for a compatible external GDL
library (>= 3.3.4), and uses that instead of our fork.

Cheers,


AV

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Example for Inkscape extension in Java?

Gerrit Karius — 2012-04-13T22:52:43

Dear Inkscape devs,
Can anyone point me to a working example of an Inkscape effect extension written in Java, running on Windows?


I've read the Script_extensions and INX_extension_descriptor_format wiki pages. I thought, theoretically I might just replace the command tag in the inx file with something like this:
<command reldir="extensions" interpreter="java">Hello</command>


And then I could call a Hello World program like this one:
class Hello {  public static void main(String[] args) {    for( String arg : args)      System.err.println("Hello error:  "+arg);  }}


The program wouldn't return any document, but the error message would be displayed by Inkscape. However, when I test this, nothing gets displayed. When I change the program to write a file, that file doesn't appear either, so I guess the program isn't called. I can change the command text to any other value, but there is no notification that a script couldn't be found.
I have written several Python extensions, but those hook up into