The Birdfont Source Code


All Repositories / birdfont.git / blob – RSS feed

Polygon.vala in libsvgbird

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

Revisions

View the latest version of libsvgbird/Polygon.vala.
Click to object matrix transformation
1 /* 2 Copyright (C) 2016 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 using Cairo; 16 using Math; 17 18 namespace SvgBird { 19 20 public class Polygon : Object { 21 22 public Doubles points = new Doubles (); 23 24 public Polygon () { 25 } 26 27 public override bool is_over (double x, double y) { 28 return false; 29 } 30 31 public override void draw_outline (Context cr) { 32 return_if_fail (points.size % 2 == 0); 33 34 if (points.size > 2) { 35 cr.move_to (points.data[0].value, points.data[1].value); 36 37 for (int i = 2; i < points.size - 1; i += 2) { 38 cr.line_to (points.data[i].value, points.data[i + 1].value); 39 } 40 41 cr.close_path (); 42 } 43 } 44 45 public override void move (double dx, double dy) { 46 } 47 48 public override bool is_empty () { 49 return false; 50 } 51 52 public override Object copy () { 53 Polygon p = new Polygon (); 54 p.points = points.copy (); 55 Object.copy_attributes (this, p); 56 return p; 57 } 58 59 public override string to_string () { 60 return "Polygon"; 61 } 62 63 } 64 65 } 66