mcs/class/System.Drawing/System.Drawing.Drawing2D/GraphicsPathIterator.cs

   1 //\r
   2 // System.Drawing.Drawing2D.GraphicsPathIterator.cs\r
   3 //\r
   4 // Author:\r
   5 //   Dennis Hayes (dennish@Raytek.com)\r
   6 //   Duncan Mak (duncan@ximian.com)\r
   7 //\r
   8 // (C) 2002/3 Ximian, Inc\r
   9 //\r
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33 using System;\r
  34 using System.Drawing;\r
  35 \r
  36 namespace System.Drawing.Drawing2D\r
  37 {\r
  38         public sealed class GraphicsPathIterator : MarshalByRefObject, IDisposable\r
  39         {\r
  40                 PointF [] _points;\r
  41                 byte [] _types;\r
  42                 int _count;\r
  43                 int _current;\r
  44                 \r
  45                 // Constructors\r
  46                 public GraphicsPathIterator (GraphicsPath path)\r
  47                 {\r
  48                         this._points = path.PathPoints;\r
  49                         this._types = path.PathTypes;\r
  50                         this._count = path.PointCount;\r
  51                         this._current = 0;\r
  52                 }\r
  53 \r
  54                 // Public Properites\r
  55                 public int Count {\r
  56                         get {\r
  57                                 return _count;\r
  58                         }\r
  59                 }\r
  60 \r
  61                 public int SubpathCount {\r
  62                         get {\r
  63                                 int count = 0;\r
  64 \r
  65                                 foreach (byte b in _types)\r
  66                                         if (b == (byte) PathPointType.Start)\r
  67                                                 count++;\r
  68                                 \r
  69                                 return count;\r
  70                         }\r
  71                 }\r
  72 \r
  73                 // Public Methods.\r
  74                 public int CopyData (ref PointF [] points, ref byte [] types, int startIndex, int endIndex)\r
  75                 {\r
  76                         for (int i = 0, j = startIndex; j < endIndex; i++, j++) {\r
  77                                 points [i] = _points [j];\r
  78                                 types [i] = _types [j];\r
  79                         }\r
  80 \r
  81                         return endIndex - startIndex;\r
  82                 }\r
  83 \r
  84                 public void Dispose ()\r
  85                 {\r
  86                 }\r
  87 \r
  88                 ~GraphicsPathIterator ()\r
  89                 {\r
  90                 }\r
  91                 \r
  92                 public int Enumerate (ref PointF [] points, ref byte [] types)\r
  93                 {\r
  94                         points = _points;\r
  95                         types = _types;\r
  96 \r
  97                         return _count;\r
  98                 }\r
  99 \r
 100                 public bool HasCurve ()\r
 101                 {\r
 102                         foreach (byte b in _types)\r
 103                                 if (b == (byte) PathPointType.Bezier)\r
 104                                         return true;\r
 105 \r
 106                         return false;\r
 107                 }\r
 108 \r
 109                 [MonoTODO]\r
 110                 public int NextMarker (GraphicsPath path)\r
 111                 {\r
 112                         throw new NotImplementedException ();\r
 113                 }\r
 114 \r
 115                 [MonoTODO]\r
 116                 public int NextMarker (out int startIndex, out int endIndex)\r
 117                 {\r
 118                         throw new NotImplementedException ();\r
 119                 }\r
 120 \r
 121                 [MonoTODO]\r
 122                 public int NextPathType (out byte pathType, out int startIndex, out int endIndex)\r
 123                 {\r
 124                         throw new NotImplementedException ();\r
 125                 }\r
 126 \r
 127                 [MonoTODO]\r
 128                 public int NextSubpath (GraphicsPath path, out bool isClosed)\r
 129                 {\r
 130                         throw new NotImplementedException ();\r
 131                 }\r
 132 \r
 133                 [MonoTODO]\r
 134                 public int NextSubpath (out int startIndex, out int endIndex, out bool isClosed)\r
 135                 {\r
 136                         throw new NotImplementedException ();\r
 137                 }\r
 138 \r
 139                 public void Rewind ()\r
 140                 {\r
 141                         _current = 0;\r
 142                 }\r
 143         }\r
 144 }\r