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9 Commits

Author SHA1 Message Date
Cosimo Lupo
aad51ec4d9
svgLib: handle arc commands with bool flags not separated by space/comma 
Some SVG authoring tool write arc commands without any space or comma around the boolean 'large-arc' and 'sweep' flags, leading our svg path parser to choke.
This makes the path parser smarter by special-casing arc command parsing so that it only consumes one character ('0' or '1') for these special boolean flags.
 2020-10-29 15:31:47 +00:00
Nikolaus Waxweiler
01328213c7 Remove __future__ imports 2019-08-09 12:20:13 +01:00
Miguel Sousa
ddff29cb5d Fix DeprecationWarning: invalid escape sequence 2019-04-01 14:04:14 -07:00
Cosimo Lupo
f0ab265000
svgLib: add support for converting elliptical arcs to cubic bezier curves 
Fixes https://github.com/fonttools/fonttools/issues/1141

Uses code from Chromium Blink's SVG path parser, in SVGPathNormalizer::DecomposeArcToCubic
https://github.com/chromium/chromium/blob/master/third_party/blink/renderer/core/svg/svg_path_parser.cc#L169-L278

Each elliptical arc is approximated by series of cubic bezier curves, one cubic every 90-degree portion of an arc.
 2019-01-24 10:59:59 +00:00
Cosimo Lupo
40e50b60c3 Revert "Merge pull request #1136 from santhoshtr/svg-arc-support" 
This reverts commit 5c392bc86542fbbc0c63335cfedae0d1406b0794, reversing
changes made to 4b69d77ae57776480901e2af82c7d9c1c29de8d6.
 2018-01-05 13:07:57 +00:00
Santhosh Thottingal
a8abf7246c Remove duplicate point, add more tests 2018-01-05 17:31:53 +05:30
Santhosh Thottingal
06dc10d30b Fix syntax error about starred expression in python < 3.5 
Also minor documentation fix.
 2018-01-04 17:56:14 +05:30
Santhosh Thottingal
82e119e0e3 svgLib: Add support for arcs in SVG path parser 
Implement the arc to curve points calculation using the original
svg.path library and use the curve points for the pen.

The Arc class and methods to parameterize and get curve points are
copied.

This makes the svg to glif conversion possible for any SVGs.
 2018-01-01 20:05:02 +05:30
Cosimo Lupo
de59719db4 move stuff to fontTools.svgLib.path sub-package 
in case later on we want to add things to svgLib which don't have to do with paths specifically
 2017-09-12 22:21:20 -04:00