1 /* DrawOfPages: Take notes with touchscreen input.
2  * Copyright (C) 2017  Marko Semet(Marko10_000)
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 module drawofpages.tools;
18 
19 private
20 {
21 	import drawofpages.draw;
22 	import drawofpages.elements.basetypes;
23 	import drawofpages.gui;
24 	import structuresd.dimension;
25 	import structuresd.dimension.rtree;
26 }
27 
28 public class Document
29 {
30 	public RTree!(Line, Cuboid!2, 127, 64) data;
31 
32 	public this()
33 	{
34 		this.data = new RTree!(Line, Cuboid!2, 127, 64)();
35 	}
36 
37 	public void redraw(Square area, Draw target)
38 	{
39 		foreach(Line line; this.data.query(area))
40 		{
41 			target.drawLine(line.a, line.b, line.size, line.color);
42 		}
43 	}
44 }
45 
46 public interface Tool
47 {
48 	void cursorDown(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID);
49 	void cursorContin(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID);
50 	void cursorUp(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID);
51 }
52 
53 private class VoidTool : Tool
54 {
55 	void cursorDown(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID) {}
56 	void cursorContin(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID) {}
57 	void cursorUp(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID) {}
58 }
59 
60 public __gshared Tool voidTool = new VoidTool();
61 
62 public mixin template CURSOR_FROM_TO()
63 {
64 	private Point2D __cursorPosition;
65 	private double __cursorPressure;
66 
67 	public void cursorDown(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID)
68 	{
69 		this.__cursorPosition = point;
70 		this.__cursorPressure = pressure;
71 	}
72 	public void cursorContin(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID)
73 	{
74 		this._cursorFromTo(doc, this.__cursorPosition, this.__cursorPressure, point, pressure, cursor, cursorID);
75 		this.__cursorPosition = point;
76 		this.__cursorPressure = pressure;
77 	}
78 	public void cursorUp(Document doc, Point2D point, CURSOR_TYPE cursor, double pressure, string cursorID)
79 	{
80 		this._cursorFromTo(doc, this.__cursorPosition, this.__cursorPressure, point, pressure, cursor, cursorID);
81 	}
82 	private void _cursorFromTo(Document doc, Point2D from, double fromPressure, Point2D to, double toPressure, CURSOR_TYPE cursor, string cursorID);
83 }