- Inkscape Devel - Inkscape Mailman

How to implement layer flipping
by Gerrit . 15 May '07

15 May '07

Hello, I would like to use Inkscape to draw animation frames. I have set up every frame as a separate layer. Now I'd like to be able to "flip" between layers for quickly checking the animation. This means that there would be an "up" key which makes the next layer active and visible and all others invisible, and a "down" key which makes the previous layer active and visible and all others invisible. My best bet was that I could change the active layer and visibility in a Python script with the attributes inkscape:current-layer="layerX" and style="display:none". Would that work? How could I trigger a script with a single keystroke? And would it be an efficient way of implementing this? On Aaron Spike's site it said that the entire SVG is written to a file when it's passed to Python. However, I'd need to flip frames back and forth every second if I want to check the animation. Also, does Inkscape parse and reconstruct the entire document when Python has changed something, or is something like a diff applied? Are there other easy ways of implementing this flipping in the C++ code? Any inputs on this will be appreciated Gerrit _________________________________________________________________ Don't just search. Find. Check out the new MSN Search! http://search.msn.com/

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Inkscape 0.45.1. for Mac OS 10.3
by jiho 14 May '07

14 May '07

Hello everybody, As promised there is now an official release of Inkscape version 0.45.1 compatible with Mac OS 10.3 (Panther). It as available for download at SourceForge, as usual: http://sourceforge.net/project/showfiles.php? group_id=93438&package_id=99112&release_id=495106 Future releases should stay Panther compatible as long as there is someone to test them on this operating system. Thanks again to John Faith for his work and to Areozol for initiating the process. JiHO --- http://jo.irisson.free.fr/

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Font selection
by Thomas Worthington 12 May '07

12 May '07

Hi, everyone. If I select some text and open the Text & Font dialogue I can select Helvetica Normal no problem, however if I select Helvetica Black, Narrow, or Ultra <anything>, I just get Normal. Similar things happen in Gill Sans, Futura, Frutiger etc. If I try to edit the xml to show any of these varients the xml editor replaces them with "normal". Anyone know why? Thoams Worthington

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Tests failing, might show real problem for "flood-*"
by Jon A. Cruz 12 May '07

12 May '07

In running make check, I see a few errors, including these: ./attributes-test.h:491: Warning: "Attribute string with enum 139 {flood-color} not handled" ./attributes-test.h:491: Warning: "Attribute string with enum 140 {flood-opacity} not handled" ./attributes-test.h:496: Error: Assertion failed: !found ./attributes-test.h:501: Error: Test failed: "Enum round-trip through string {flood-color} failed." ./attributes-test.h:501: Error: Expected (index == postLookup), found (139 != 231) ./attributes-test.h:501: Error: Test failed: "Enum round-trip through string {flood-opacity} failed." ./attributes-test.h:501: Error: Expected (index == postLookup), found (140 != 232) The problem is that those strings are mapped into the enum twice. I think that either we need to get those in the enum only once, or that we need to change our architecture to split those ranges into two separate enums and sets of calls.

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Blog + LGM
by Gail Banaszkiewicz 11 May '07

11 May '07

So I decided to start a blog because I wanted to have an accessible place to write about LGM. I have a generic LGM post in there now, but I took notes during the talks I saw so I intend to write in more detail about those in the next week or so. I'm not sure exactly what I will put in the blog in the future, but it will definitely be limited (in general) to technology/computer science related things. I'm not sure if it makes sense to add it to the inkscape planet page. Anyway, here's the link: http://compscigail.blogspot.com/ Gail

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Fwd: OpenRaster and non destructive raster effects on Inkscape
by Aurélio A. Heckert 09 May '07

09 May '07

Sometimes we decide to change the brightness, contrast, saturation or other things on a raster image, inside the SVG file. The OpenRaster proposal ( http://pippin.gimp.org/OpenRaster ) is a good ideia for some things and for a extending possibilities with raster in inkscape. With a initial suport of OpenRaster on inkscape we can have special controls for change raster properties whitout to destroy the original raster data. "Hey Boss... you do not want a lot of contrast? Ok! I don't lose the original image." (Click on menu "object > raster > edit properties") ;-D (easier then re-open on GIMP) How can it works? The inkscape can have a suport for the OpenRaster format and allow the OpenRaster name space on the SVG XML. When we try to change the contrast on a raster image the XML changes from: <image xlink:href="img.jpg" /> to this: <openraster:image> <openraster:layers> <openraster:brightness-contrast contrast='1.4'/> <openraster:layer src='img.jpg'/> </openraster:layers> </openraster:image> We can use the menu "object > raster > aplay raster changes" and the OpenRaster block comes to a <svg:image>. It will help to send the SVG file to other softwares. With this implementation effects will can handle this raster properties too. The <animate> can be used on the 0.48 to animate raster properties too. (extending more the SVG standard) ;-) May the Mozilla team implement that too? What you think? Aurium -- -===================================================- . . Aurélio A. Heckert [ GNU/Linux ] / \ http://www.aurium.cjb.net ((__-^^-,-^^-__)) `-_---" "---_-´ Web Colaborativa: `--|o` ´o|--´ http://www.TWiki.org \ ' / Projeto Software Livre - Bahia: ): :( http://psl-ba.softwarelivre.org (o_o) Coop. de Tecnologias Livres: "-" http://www.colibre.com.br ------------------------------------------------- GNU/Linux User #312507 http://counter.li.org - - - - - - - - - - - - - - - - - - - - - - - - - ( ( ( http://www.midiaindependente.org ) ) ) -===================================================- "Se conhecimento é poder, que país governado por industriais dará a verdadeira educação? Cuidado com o feedback da miséria!" Tet Ramon "Eu temo pela minha espécie quando penso que Deus é justo." Thomas Jefferson

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Inkscape as a LaTeX drawing editor
by Davide Cavalca 09 May '07

09 May '07

Hello everybody, I've been looking for some time for a good vector editor to make pictures to include in LaTeX documents. I eventually settled to TpX: http://tpx.sf.net which has the following interesting features - can include LaTeX code in a document - can save to a combined TeX/PS/PDF format which is very easy to include in a LaTeX document On the other hand, it is "primitive" (to say the least) compared to inkscape, works only on win32, is prone to crash and AFAIK it's development is stalled. I'd like to use inkscape as a replacement. The first feature is (partially) present in inkscape with the "render latex formula" effect, the latter may require some explanation. When you save a document in TpX you get three files: a PDF and a PS with the drawing (but no text) and a TeX file which includes the PDF or the PS (via \includegraphics) and overlays the text using TeX "picture" environment. To include the picture you simple \input the the TeX file and it's done. This way the text is actually rendered by TeX, using whatever fonts and packages it has available. My C sucks, but if something like this can be implemented as a python effect I'd like to try. I'm thinking about something among these lines: - a tool to insert "latex text" in the document (this could eventually be rendered like the current latex plugin does, but the user should be able to change its contents freely) - an export plugin for "combined latex" which * outputs everything but the "latex text" as a PS and a PDF (using the current PS/PDF exporters I think) * foreach "latex text" box it computes its position and size and outputs a TeX file with the picture environment. Is something like this actually viable (and implementable without getting mad) ? Sorry for the long post, I hope I've made myself sufficiently clear. Davide davide125@...92...

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Re: [Inkscape-devel] [Inkscape-user] PDF export seems chopped off at the top with margin at bottom
by R (Chandra) Chandrasekhar 09 May '07

09 May '07

R (Chandra) Chandrasekhar wrote: > Is this a bug, and if so, is there a workaround? I still do not know whether this is a bug, but the workaround is: 1. Skip the "Fit page to selection" step and export as PDF; and 2. Use the pdfcrop utility, written by Heiko Oberdiek, and available from: http://www.ctan.org/tex-archive/support/pdfcrop/ to crop the file saved in (1) to the correct bounding box dimensions. System requirements for pdfcrop are also given at the above address. The resulting bounding box and PDF file is accurate when viewed at 6400% with Acroread. Chandra 06 May 07

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About animation
by Nestor Diaz 08 May '07

08 May '07

Hi everyone, I wonder why animation and interaction features for inkscape doesn't go in the direction of the W3C standard for these tasks: SMIL http://www.w3.org/AudioVideo/ http://www.smilguide.com/guide/tutorial/learning-to-smil Maybe I got it wrong? Yours: Néstor -- ----------- Diseño, Formación y Diversion Por que el conocimiento (lo quieras o no) es libre -------

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Develop Inkscape Animation
by Federico 08 May '07

08 May '07

Hello! Creed by now you know that I am developing animations in Inkscape for my thesis of bachelor. I have abandoned the idea to insert the animation in the code source of Inkscape because it does not support the multithreading and I'am writing an extension in python. I would have from porvi some questions: 1) I can write an extension in python that, once under way, to regular intervals it modifies the attributes of an object "rect" or "path" without to block inkscape? I explain better… the python extensions starting in a windows shell and this shell blocks for some second inkscape. It would be possible to reduce to icon this window and to make to turn the animation seeing in real Time on the canvas of inkscape what it happens? 2) As I can proceed in order to analyze the nodes of a document and to only choose nodes that have a particular "ID"? self.selected.iteriterms () it allows me to only estimate the nodes of objects selects to you but not of all the document. Thanks you for the time dedicated to me and I make excuses myself if I seem invading, but I have need of aid in order to finish my thesis and I do not know like moving. Federico

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