The Birdfont Source Code


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StrokeTask.vala in /libbirdfont

This file is a part of the Birdfont project.

Contributing

Send patches or pull requests to johan.mattsson.m@gmail.com.
Clone this repository: git clone https://github.com/johanmattssonm/birdfont.git
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1 /* 2 Copyright (C) 2015 Johan Mattsson 3 4 This library is free software; you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 3 of the 7 License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 */ 14 15 namespace BirdFont { 16 17 public class StrokeTask : Task { 18 Path original; // path in gui thread 19 Path background_path; // path in background thread 20 21 public StrokeTask (Path path) { 22 base (null, true); 23 original = path; 24 background_path = path.copy (); 25 } 26 27 public StrokeTask.none () { 28 base (null, true); 29 original = new Path (); 30 background_path = new Path (); 31 } 32 33 public override void run () { 34 PathList stroke; 35 double w; 36 StrokeTool tool = new StrokeTool.with_task (this); 37 38 w = background_path.stroke; 39 40 stroke = tool.get_stroke (background_path, w); 41 42 IdleSource idle = new IdleSource (); 43 idle.set_callback (() => { 44 if (!is_cancelled ()) { 45 original.full_stroke = stroke; 46 GlyphCanvas.redraw (); 47 } 48 49 return false; 50 }); 51 idle.attach (null); 52 } 53 } 54 55 } 56