The Birdfont Source Code


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SvgTransforms.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/SvgTransforms.vala.
Merge ../birdfont-2.x
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 17 namespace SvgBird { 18 19 public class SvgTransforms : GLib.Object { 20 public Gee.ArrayList<SvgTransform> transforms; 21 22 public SvgTransforms () { 23 transforms = new Gee.ArrayList<SvgTransform> (); 24 } 25 26 public SvgTransforms copy () { 27 SvgTransforms copy_transforms = new SvgTransforms (); 28 29 foreach (SvgTransform t in transforms) { 30 copy_transforms.add (t.copy ()); 31 } 32 33 return copy_transforms; 34 } 35 36 public void add (SvgTransform transform) { 37 transforms.add (transform); 38 } 39 40 public Matrix get_matrix () { 41 Matrix matrix = Matrix.identity (); 42 43 if (transforms.size == 0) { 44 return Matrix.identity (); 45 } 46 47 matrix = transforms.get (0).get_matrix (); 48 49 for (int i = 1; i < transforms.size; i++) { 50 matrix.multiply (matrix, transforms.get (i).get_matrix ()); 51 } 52 53 return matrix; 54 } 55 56 public string to_string () { 57 StringBuilder sb = new StringBuilder (); 58 59 foreach (SvgTransform t in transforms) { 60 sb.append (t.to_string ()); 61 sb.append (" "); 62 } 63 64 return sb.str; 65 } 66 } 67 68 } 69