SVG parser for LaserWeb.
License: MIT License
Hello my name is Sébastien aka skarab since 56K 📞 I do things that I share here that are more or less useful but always fun to do.
Implementing pattern support for complex drawings.
Hi!
I get users complaining that the SVGs I generate with Boxes.py (https://github.com/florianfesti/boxes) cannot be rendered with Laserweb. A quick look into the code raised the suspicion that the viewBox calculation may be off. Especially those two lines in tagparser.js seem to be in the wrong order. Swapping them out at least shows something:
this.tag.scale(scaleX, scaleY)
this.tag.translate(-translateX, -translateY)
Test with any SVG with has a viewBox not starting at 0 0 - like all Boxes.py artifacts.
Sorry, for not submitting a proper PR.
The parser transforms this:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<!-- Creator: CorelDRAW X7 -->
<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="457.285mm" height="135.043mm" version="1.0" shape-rendering="geometricPrecision" text-rendering="geometricPrecision" image-rendering="optimizeQuality" fill-rule="evenodd" clip-rule="evenodd"
viewBox="0 0 38014 11224"
xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="Layer1">
<metadata id="CorelCorpID_0Corel-Layer"/>
<polygon fill="none" stroke="yellow" stroke-width="6.33459" points="3,3 38011,3 38011,11221 3,11221 "/>
</g>
</svg>
To this:
{x: 0.12789526521816735, y: 0.12789526521816735}
{x: 1620.475642069253, y: 0.12789526521816735}
{x: 1620.475642069253, y: 478.37092367101855}
{x: 0.12789526521816735, y: 478.37092367101855}
{x: 0.12789526521816735, y: 0.12789526521816735}
What units are these? They don't match mm, inches, or the original PX units (83.1 px/mm).
It's called with default options:
let parser = new Parser({});
parser.parse(reader.result).then(...).catch(...);
When opening the attached SVG, the paths seem to open at random locations rather than adhering to the placement in the SVG file.
Example of functionality in LaserWeb can be seen here: https://plus.google.com/105504973000570609199/posts/NbrpcwhKSR5?sfc=true
SVG file here: https://www.dropbox.com/s/xo7ad5e1bdtznpp/LW-Test.svg?dl=0
Isolated example:
Should be as simple as treat it like a "defs" child (https://developer.mozilla.org/es/docs/Web/SVG/Element/symbol) despite the viewport usage. :)
Just to keep trace of this request LaserWeb/LaserWeb4#58 (comment)
Repported on LaserWeb/LaserWeb4#58 (comment)
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![[Feature request] add pattern support](/skarab42/lw.svg-parser/issues/6){kind=link}
![[Feature request] Symbol Support](/skarab42/lw.svg-parser/issues/4){kind=link}
