/* Copyright (C) 2016 Johan Mattsson This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. */ using B; using Cairo; namespace BirdFont { public enum TransformType { NONE, TRANSLATE, MATRIX, SCALE } public class SvgTransform : GLib.Object { public TransformType type = TransformType.NONE; public Doubles arguments = new Doubles.for_capacity (10); public SvgTransform () { } public Matrix get_matrix () { Matrix matrix; matrix = Matrix.identity (); if (type == TransformType.SCALE) { if (arguments.size == 1) { double s = arguments.get_double (0); matrix.scale (s, s); return matrix; } else if (arguments.size == 2) { double s0 = arguments.get_double (0); double s1 = arguments.get_double (1); matrix.scale (s0, s1); } } else if (type == TransformType.TRANSLATE) { if (arguments.size == 1) { double s = arguments.get_double (0); matrix.translate (s, 0); } else if (arguments.size == 2) { double s0 = arguments.get_double (0); double s1 = arguments.get_double (1); matrix.translate (s0, s1); } } else if (type == TransformType.MATRIX) { if (arguments.size == 6) { double s0 = arguments.get_double (0); double s1 = arguments.get_double (1); double s2 = arguments.get_double (2); double s3 = arguments.get_double (3); double s4 = arguments.get_double (4); double s5 = arguments.get_double (5); matrix = Matrix (s0, s1, s2, s3, s4, s5); } } return matrix; } } }