mcs/class/System.Drawing/System.Drawing/StrokeFactory.jvm.cs

   1 using System;\r
   2 using awt = java.awt;\r
   3 using geom = java.awt.geom;\r
   4 \r
   5 namespace System.Drawing {\r
   6         internal sealed class StrokeFactory {\r
   7 \r
   8                 StrokeFactory() {}\r
   9 \r
  10                 interface StrokeCreator {\r
  11                         awt.Stroke Create(float width, int cap, int join, float miterlimit,\r
  12                                 float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  13                                 geom.AffineTransform outputTransform, PenFit penFit);\r
  14                 }\r
  15 \r
  16                 sealed class AdvancedCreator : StrokeCreator {\r
  17                         #region StrokeCreator Members\r
  18 \r
  19                         public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  20                                 geom.AffineTransform outputTransform, PenFit penFit) {\r
  21                                 if ((outputTransform == null || outputTransform.isIdentity()) && (penFit == PenFit.NotThin))\r
  22                                         return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);\r
  23                                 return new System.Drawing.AdvancedStroke(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);\r
  24                         }\r
  25 \r
  26                         #endregion\r
  27                 }\r
  28 \r
  29                 sealed class DefaultCreator : StrokeCreator {\r
  30                         #region StrokeCreator Members\r
  31 \r
  32                         public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  33                                 geom.AffineTransform outputTransform, PenFit penFit) {\r
  34                                 return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);\r
  35                         }\r
  36 \r
  37                         #endregion\r
  38                 }\r
  39 \r
  40                 static readonly StrokeCreator Creator;\r
  41                 static StrokeFactory() {\r
  42                         try {\r
  43                                 Type type = typeof(System.Drawing.AdvancedStroke);\r
  44                                 Activator.CreateInstance(type);\r
  45                                 Creator = new AdvancedCreator();\r
  46                         }\r
  47                         catch{\r
  48                                 Creator = new DefaultCreator();\r
  49                         }\r
  50                 }\r
  51 \r
  52                 static public bool CanCreateAdvancedStroke {\r
  53                         get {\r
  54                                 return !(Creator is DefaultCreator);\r
  55                         }\r
  56                 }\r
  57 \r
  58                 static public awt.Stroke CreateStroke(float width, int cap, int join, float miterlimit,\r
  59                         float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  60                         geom.AffineTransform outputTransform, PenFit penFit) {\r
  61 \r
  62                         return Creator.Create(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);\r
  63                 }\r
  64         }\r
  65 }