66 lines
1.5 KiB
C#
66 lines
1.5 KiB
C#
// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
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// <version>$Revision$</version>
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// </file>
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace ICSharpCode.TextEditor
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{
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/// <summary>
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/// Contains brushes/pens for the text editor to speed up drawing. Re-Creation of brushes and pens
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/// seems too costly.
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/// </summary>
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public class BrushRegistry
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{
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static Dictionary<Color, Brush> brushes = new Dictionary<Color, Brush>();
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static Dictionary<Color, Pen> pens = new Dictionary<Color, Pen>();
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static Dictionary<Color, Pen> dotPens = new Dictionary<Color, Pen>();
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public static Brush GetBrush(Color color)
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{
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lock (brushes) {
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Brush brush;
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if (!brushes.TryGetValue(color, out brush)) {
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brush = new SolidBrush(color);
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brushes.Add(color, brush);
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}
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return brush;
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}
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}
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public static Pen GetPen(Color color)
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{
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lock (pens) {
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Pen pen;
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if (!pens.TryGetValue(color, out pen)) {
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pen = new Pen(color);
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pens.Add(color, pen);
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}
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return pen;
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}
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}
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static readonly float[] dotPattern = { 1, 1, 1, 1 };
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public static Pen GetDotPen(Color color)
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{
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lock (dotPens) {
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Pen pen;
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if (!dotPens.TryGetValue(color, out pen)) {
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pen = new Pen(color);
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pen.DashPattern = dotPattern;
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dotPens.Add(color, pen);
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}
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return pen;
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}
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}
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}
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}
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