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SvgDrawing.vala in libsvgbird

This file is a part of the Birdfont project.

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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/SvgDrawing.vala.
Bounding box for SVG rectangles
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 16 using B; 17 using Cairo; 18 using Math; 19 20 namespace SvgBird { 21 22 public class SvgDrawing : Object { 23 public Layer root_layer = new Layer (); 24 public Defs defs = new Defs (); 25 26 public double x = 0; 27 public double y = 0; 28 29 public double width { 30 get { 31 return svg_width; 32 } 33 34 set { 35 svg_width = value; 36 } 37 } 38 39 public double height { 40 get { 41 return svg_height; 42 } 43 44 set { 45 svg_height = value; 46 } 47 } 48 49 public double svg_width = 0; 50 public double svg_height = 0; 51 52 public override void update_boundaries (Matrix view_matrix) { 53 root_layer.update_boundaries (view_matrix); 54 55 left = x + root_layer.left; 56 right = x + root_layer.right; 57 top = y + root_layer.top; 58 bottom = y + root_layer.bottom; 59 } 60 61 public override bool is_over (double x, double y) { 62 return (this.x <= x <= this.x + width) 63 && (this.y <= y <= this.y + height); 64 } 65 66 public void draw (Context cr) { 67 root_layer.draw (cr); 68 } 69 70 public override void draw_outline (Context cr) { 71 root_layer.draw_outline (cr); 72 } 73 74 public override Object copy () { 75 SvgDrawing drawing = new SvgDrawing (); 76 SvgBird.Object.copy_attributes (this, drawing); 77 drawing.root_layer = (Layer) root_layer.copy (); 78 drawing.defs = defs.copy (); 79 drawing.x = x; 80 drawing.y = y; 81 drawing.width = width; 82 drawing.height = height; 83 return drawing; 84 } 85 86 public override void move (double dx, double dy) { 87 x += dx; 88 y += dy; 89 move_bounding_box (dx, dy); 90 } 91 92 public override void rotate (double theta, double xc, double yc) { 93 } 94 95 public override bool is_empty () { 96 return false; 97 } 98 99 public override void resize (double ratio_x, double ratio_y) { 100 } 101 102 public override string to_string () { 103 return @"SvgDrawing x: $x, y: $y, width: $width, height: $height"; 104 } 105 } 106 107 } 108