1 //
2 // RoundedLineEditEngine.cs
3 //
4 // Author:
5 //       Andrew Davis <andrew.3.1415@gmail.com>
6 //
7 // Copyright (c) 2014 Andrew Davis, GSoC 2014
8 //
9 // Permission is hereby granted, free of charge, to any person obtaining a copy
10 // of this software and associated documentation files (the "Software"), to deal
11 // in the Software without restriction, including without limitation the rights
12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 // copies of the Software, and to permit persons to whom the Software is
14 // furnished to do so, subject to the following conditions:
15 //
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
18 //
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 // THE SOFTWARE.
26 
27 using System;
28 using Cairo;
29 using Pinta.Core;
30 using System.Collections.Generic;
31 using System.Linq;
32 using System.Text;
33 using Mono.Unix;
34 
35 namespace Pinta.Tools
36 {
37     public class RoundedLineEditEngine: BaseEditEngine
38     {
39 		protected override string ShapeName
40 		{
41 			get
42 			{
43 				return Catalog.GetString("Rounded Line Shape");
44 			}
45 		}
46 
47 		public const double DefaultRadius = 20d;
48 
49 		protected double previousRadius = DefaultRadius;
50 
51 		protected ToolBarComboBox radius;
52 		protected ToolBarLabel radius_label;
53 		protected ToolBarButton radius_minus;
54 		protected ToolBarButton radius_plus;
55 		protected Gtk.SeparatorToolItem radius_sep;
56 
57 		public double Radius
58 		{
59 			get
60 			{
61 				double rad;
62 
63 				if (radius != null)
64 				{
65 					if (Double.TryParse(radius.ComboBox.ActiveText, out rad))
66 					{
67 						if (rad >= 0)
68 						{
69 							(radius.ComboBox as Gtk.ComboBoxEntry).Entry.Text = rad.ToString();
70 
71 							return rad;
72 						}
73 						else
74 						{
75 							(radius.ComboBox as Gtk.ComboBoxEntry).Entry.Text = BrushWidth.ToString();
76 
77 							return BrushWidth;
78 						}
79 					}
80 					else
81 					{
82 						(radius.ComboBox as Gtk.ComboBoxEntry).Entry.Text = BrushWidth.ToString();
83 
84 						return BrushWidth;
85 					}
86 				}
87 				else
88 				{
89 					return BrushWidth;
90 				}
91 			}
92 
93 			set
94 			{
95 				if (radius != null)
96 				{
97 					(radius.ComboBox as Gtk.ComboBoxEntry).Entry.Text = value.ToString();
98 
99 					ShapeEngine selEngine = SelectedShapeEngine;
100 
101 					if (selEngine != null && selEngine.ShapeType == ShapeTypes.RoundedLineSeries)
102 					{
103 						((RoundedLineEngine)selEngine).Radius = Radius;
104 
105 						StorePreviousSettings();
106 
107 						DrawActiveShape(false, false, true, false, false);
108 					}
109 				}
110 			}
111 		}
112 
113 
HandleBuildToolBar(Gtk.Toolbar tb)114 		public override void HandleBuildToolBar(Gtk.Toolbar tb)
115 		{
116 			base.HandleBuildToolBar(tb);
117 
118 
119 			if (radius_sep == null)
120 				radius_sep = new Gtk.SeparatorToolItem();
121 
122 			tb.AppendItem(radius_sep);
123 
124 			if (radius_label == null)
125 				radius_label = new ToolBarLabel(string.Format("  {0}: ", Catalog.GetString("Radius")));
126 
127 			tb.AppendItem(radius_label);
128 
129 			if (radius_minus == null)
130 			{
131 				radius_minus = new ToolBarButton("Toolbar.MinusButton.png", "", Catalog.GetString("Decrease shape's corner radius"));
132 				radius_minus.Clicked += RadiusMinusButtonClickedEvent;
133 			}
134 
135 			tb.AppendItem(radius_minus);
136 
137 			if (radius == null)
138 			{
139 				radius = new ToolBarComboBox(65, 16, true, "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
140 				"10", "11", "12", "13", "14", "15", "20", "25", "30", "40",
141 				"50", "60", "70", "80");
142 
143 				radius.ComboBox.Changed += (o, e) =>
144 				{
145 					//Go through the Get/Set routine.
146 					Radius = Radius;
147 				};
148 			}
149 
150 			tb.AppendItem(radius);
151 
152 			if (radius_plus == null)
153 			{
154 				radius_plus = new ToolBarButton("Toolbar.PlusButton.png", "", Catalog.GetString("Increase shape's corner radius"));
155 				radius_plus.Clicked += RadiusPlusButtonClickedEvent;
156 			}
157 
158 			tb.AppendItem(radius_plus);
159 		}
160 
RadiusMinusButtonClickedEvent(object o, EventArgs args)161 		private void RadiusMinusButtonClickedEvent(object o, EventArgs args)
162 		{
163 			if (Math.Truncate(Radius) > 0)
164 			{
165 				Radius = Math.Truncate(Radius) - 1;
166 			}
167 		}
168 
RadiusPlusButtonClickedEvent(object o, EventArgs args)169 		private void RadiusPlusButtonClickedEvent(object o, EventArgs args)
170 		{
171 			Radius = Math.Truncate(Radius) + 1;
172 		}
173 
174 
RoundedLineEditEngine(ShapeTool passedOwner)175 		public RoundedLineEditEngine(ShapeTool passedOwner): base(passedOwner)
176         {
177 
178         }
179 
CreateShape(bool ctrlKey, bool clickedOnControlPoint, PointD prevSelPoint)180 		protected override ShapeEngine CreateShape(bool ctrlKey, bool clickedOnControlPoint, PointD prevSelPoint)
181 		{
182 			Document doc = PintaCore.Workspace.ActiveDocument;
183 
184 			ShapeEngine newEngine = new RoundedLineEngine(doc.CurrentUserLayer, null, Radius, owner.UseAntialiasing,
185 				BaseEditEngine.OutlineColor, BaseEditEngine.FillColor, owner.EditEngine.BrushWidth);
186 
187 			AddRectanglePoints(ctrlKey, clickedOnControlPoint, newEngine, prevSelPoint);
188 
189 			//Set the new shape's DashPattern option.
190 			newEngine.DashPattern = dash_pattern_box.comboBox.ComboBox.ActiveText;
191 
192 			return newEngine;
193 		}
194 
MovePoint(List<ControlPoint> controlPoints)195 		protected override void MovePoint(List<ControlPoint> controlPoints)
196 		{
197 			MoveRectangularPoint(controlPoints);
198 
199 			base.MovePoint(controlPoints);
200 		}
201 
202 
UpdateToolbarSettings(ShapeEngine engine)203 		public override void UpdateToolbarSettings(ShapeEngine engine)
204 		{
205 			if (engine != null && engine.ShapeType == ShapeTypes.RoundedLineSeries)
206 			{
207 				RoundedLineEngine rLEngine = (RoundedLineEngine)engine;
208 
209 				Radius = rLEngine.Radius;
210 
211 				base.UpdateToolbarSettings(engine);
212 			}
213 		}
214 
RecallPreviousSettings()215 		protected override void RecallPreviousSettings()
216 		{
217 			Radius = previousRadius;
218 
219 			base.RecallPreviousSettings();
220 		}
221 
StorePreviousSettings()222 		protected override void StorePreviousSettings()
223 		{
224 			previousRadius = Radius;
225 
226 			base.StorePreviousSettings();
227 		}
228     }
229 }
230