StrokeFactory.jvm.cs :  » 2.6.4-mono-.net-core » System.Drawing » System » Drawing » C# / CSharp Open Source

using System;
using awtjava.awt;
using geomjava.awt.geom;

namespace System.Drawing{
  internal sealed class StrokeFactory {

    StrokeFactory() {}

    interface StrokeCreator {
      awt.Stroke Create(float width, int cap, int join, float miterlimit,
        float[] dash, float dash_phase, geom.AffineTransform penTransform,
        geom.AffineTransform outputTransform, PenFit penFit);
    }

    sealed class AdvancedCreator : StrokeCreator {
      #region StrokeCreator Members

      public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,
        geom.AffineTransform outputTransform, PenFit penFit) {
        if ((penFit == PenFit.NotThin) &&
          (outputTransform == null || outputTransform.isIdentity()) &&
          (penTransform == null || penTransform.isIdentity()))
          return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);
        return new System.Drawing.AdvancedStroke(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);
      }

      #endregion
    }

    sealed class DefaultCreator : StrokeCreator {
      #region StrokeCreator Members

      public awt.Stroke Create(float width, int cap, int join, float miterlimit, float[] dash, float dash_phase, geom.AffineTransform penTransform,
        geom.AffineTransform outputTransform, PenFit penFit) {
        return new awt.BasicStroke(width, cap, join, miterlimit, dash, dash_phase);
      }

      #endregion
    }

    static readonly StrokeCreator Creator;
    static StrokeFactory() {
      try {
        Type type = typeof(System.Drawing.AdvancedStroke);
        Activator.CreateInstance(type);
        Creator = new AdvancedCreator();
      }
      catch{
        Creator = new DefaultCreator();
      }
    }

    static public bool CanCreateAdvancedStroke {
      get {
        return !(Creator is DefaultCreator);
      }
    }

    static public awt.Stroke CreateStroke(float width, int cap, int join, float miterlimit,
      float[] dash, float dash_phase, geom.AffineTransform penTransform,
      geom.AffineTransform outputTransform, PenFit penFit) {

      return Creator.Create(width, cap, join, miterlimit, dash, dash_phase, penTransform, outputTransform, penFit);
    }
  }
}