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 ((penFit == PenFit.NotThin) &&\r
  22                                         (outputTransform == null || outputTransform.isIdentity()) &&\r
  23                                         (penTransform == null || penTransform.isIdentity()))\r
  24                                         return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);\r
  25                                 return new System.Drawing.AdvancedStroke(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);\r
  26                         }\r
  27 \r
  28                         #endregion\r
  29                 }\r
  30 \r
  31                 sealed class DefaultCreator : StrokeCreator {\r
  32                         #region StrokeCreator Members\r
  33 \r
  34                         public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  35                                 geom.AffineTransform outputTransform, PenFit penFit) {\r
  36                                 return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);\r
  37                         }\r
  38 \r
  39                         #endregion\r
  40                 }\r
  41 \r
  42                 static readonly StrokeCreator Creator;\r
  43                 static StrokeFactory() {\r
  44                         try {\r
  45                                 Type type = typeof(System.Drawing.AdvancedStroke);\r
  46                                 Activator.CreateInstance(type);\r
  47                                 Creator = new AdvancedCreator();\r
  48                         }\r
  49                         catch{\r
  50                                 Creator = new DefaultCreator();\r
  51                         }\r
  52                 }\r
  53 \r
  54                 static public bool CanCreateAdvancedStroke {\r
  55                         get {\r
  56                                 return !(Creator is DefaultCreator);\r
  57                         }\r
  58                 }\r
  59 \r
  60                 static public awt.Stroke CreateStroke(float width, int cap, int join, float miterlimit,\r
  61                         float[] dash, float dash_phase, geom.AffineTransform penTransform,\r
  62                         geom.AffineTransform outputTransform, PenFit penFit) {\r
  63 \r
  64                         return Creator.Create(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);\r
  65                 }\r
  66         }\r
  67 }