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

   1 using System;
   2 using System.Drawing;
   3 using System.Drawing.Drawing2D;
   4 using System.Collections;
   5
   6 using awt = java.awt;
   7 using image = java.awt.image;
   8 using geom = java.awt.geom;
   9
  10
  11 namespace System.Drawing
  12 {
  13         public abstract class Brush : MarshalByRefObject, ICloneable, IDisposable, awt.Paint {
  14                 protected abstract java.awt.Paint NativeObject {
  15                         get;
  16                 }
  17
  18                 awt.PaintContext awt.Paint.createContext (image.ColorModel cm,
  19                         awt.Rectangle deviceBounds, geom.Rectangle2D userBounds, geom.AffineTransform xform,
  20                         awt.RenderingHints hints) {
  21                         Matrix.Multiply(xform, _brushTransform.NativeObject, MatrixOrder.Append);
  22                         return NativeObject.createContext (cm, deviceBounds, userBounds, xform, hints);
  23                 }
  24
  25                 int awt.Transparency.getTransparency () {
  26                         return NativeObject.getTransparency ();
  27                 }
  28
  29                 abstract public object Clone ();
  30
  31                 public void Dispose () {
  32                         Dispose (true);
  33                 }
  34
  35                 protected virtual void Dispose (bool disposing) {
  36                 }
  37
  38                 #region Brush transform
  39
  40                 private readonly Matrix _brushTransform = new Matrix();
  41
  42                 protected Matrix BrushTransform {
  43                         get { return _brushTransform.Clone(); }
  44                         set {
  45                                 if (value == null)
  46                                         throw new ArgumentNullException("matrix");
  47
  48                                 value.CopyTo( _brushTransform );
  49                         }
  50                 }
  51
  52                 protected void BrushTranslateTransform (float dx, float dy) {
  53                         BrushTranslateTransform(dx, dy, MatrixOrder.Prepend);
  54                 }
  55                 protected void BrushTranslateTransform (float dx, float dy, MatrixOrder order) {
  56                         BrushTransform.Translate(dx,dy,order);
  57                 }
  58                 protected void BrushResetTransform () {
  59                         BrushTransform.Reset();
  60                 }
  61                 protected void BrushRotateTransform (float angle) {
  62                         BrushRotateTransform(angle, MatrixOrder.Prepend);
  63                 }
  64                 protected void BrushRotateTransform (float angle, MatrixOrder order) {
  65                         BrushTransform.Rotate(angle, order);
  66                 }
  67                 protected void BrushScaleTransform (float sx, float sy) {
  68                         BrushScaleTransform(sx, sy, MatrixOrder.Prepend);
  69                 }
  70                 protected void BrushScaleTransform (float sx, float sy, MatrixOrder order) {
  71                         BrushTransform.Scale(sx, sy, order);
  72                 }
  73                 protected void BrushMultiplyTransform (Matrix matrix) {
  74                         BrushMultiplyTransform(matrix, MatrixOrder.Prepend);
  75                 }
  76                 protected void BrushMultiplyTransform (Matrix matrix, MatrixOrder order) {
  77                         if (matrix == null)\r
  78                                 throw new ArgumentNullException("matrix");\r
  79                         BrushTransform.Multiply(matrix, order);
  80                 }
  81
  82                 #endregion
  83
  84                 // TODO: implement transform methods.
  85
  86 //              ~Brush ()
  87 //              {
  88 //                      Dispose (false);
  89 //              }
  90         }
  91 }
  92