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

   1 using System;
   2 using awt = java.awt;
   3 using geom = java.awt.geom;
   4
   5 namespace System.Drawing {
   6         internal sealed class StrokeFactory {
   7
   8                 StrokeFactory() {}
   9
  10                 interface StrokeCreator {
  11                         awt.Stroke Create(float width, int cap, int join, float miterlimit,
  12                                 float[] dash, float dash_phase, geom.AffineTransform penTransform,
  13                                 geom.AffineTransform outputTransform, PenFit penFit);
  14                 }
  15
  16                 sealed class AdvancedCreator : StrokeCreator {
  17                         #region StrokeCreator Members
  18
  19                         public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,
  20                                 geom.AffineTransform outputTransform, PenFit penFit) {
  21                                 if ((penFit == PenFit.NotThin) &&
  22                                         (outputTransform == null || outputTransform.isIdentity()) &&
  23                                         (penTransform == null || penTransform.isIdentity()))
  24                                         return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);
  25                                 return new System.Drawing.AdvancedStroke(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);
  26                         }
  27
  28                         #endregion
  29                 }
  30
  31                 sealed class DefaultCreator : StrokeCreator {
  32                         #region StrokeCreator Members
  33
  34                         public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,
  35                                 geom.AffineTransform outputTransform, PenFit penFit) {
  36                                 return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);
  37                         }
  38
  39                         #endregion
  40                 }
  41
  42                 static readonly StrokeCreator Creator;
  43                 static StrokeFactory() {
  44                         try {
  45                                 Type type = typeof(System.Drawing.AdvancedStroke);
  46                                 Activator.CreateInstance(type);
  47                                 Creator = new AdvancedCreator();
  48                         }
  49                         catch{
  50                                 Creator = new DefaultCreator();
  51                         }
  52                 }
  53
  54                 static public bool CanCreateAdvancedStroke {
  55                         get {
  56                                 return !(Creator is DefaultCreator);
  57                         }
  58                 }
  59
  60                 static public awt.Stroke CreateStroke(float width, int cap, int join, float miterlimit,
  61                         float[] dash, float dash_phase, geom.AffineTransform penTransform,
  62                         geom.AffineTransform outputTransform, PenFit penFit) {
  63
  64                         return Creator.Create(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);
  65                 }
  66         }
  67 }