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

//
// System.Drawing.Drawing2D.GraphicsPathIterator.cs
//
// Author:
//   Dennis Hayes ([email protected])
//   Duncan Mak ([email protected])
//
// (C) 2002/3 Ximian, Inc
//

//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Drawing;

namespace System.Drawing.Drawing2D
{
        public sealed class GraphicsPathIterator : MarshalByRefObject, IDisposable
        {
                PointF [] _points;
                byte [] _types;
                int _count;
                int _current;
                
                // Constructors
                public GraphicsPathIterator (GraphicsPath path)
                {
                        this._points = path.PathPoints;
                        this._types = path.PathTypes;
                        this._count = path.PointCount;
                        this._current = 0;
                }

                // Public Properites
                public int Count {
                        get {
                                return _count;
                        }
                }

                public int SubpathCount {
                        get {
                                int count = 0;

                                foreach (byte b in _types)
                                        if (b == (byte) PathPointType.Start)
                                                count++;
                                
                                return count;
                        }
                }

                // Public Methods.
                public int CopyData (ref PointF [] points, ref byte [] types, int startIndex, int endIndex)
                {
                        for (int i = 0, j = startIndex; j < endIndex; i++, j++) {
                                points [i] = _points [j];
                                types [i] = _types [j];
                        }

                        return endIndex - startIndex;
                }

                public void Dispose ()
                {
                }

		~GraphicsPathIterator ()
		{
		}
		
                public int Enumerate (ref PointF [] points, ref byte [] types)
                {
                        points = _points;
                        types = _types;

                        return _count;
                }

                public bool HasCurve ()
                {
                        foreach (byte b in _types)
                                if (b == (byte) PathPointType.Bezier)
                                        return true;

                        return false;
                }

                [MonoTODO]
                public int NextMarker (GraphicsPath path)
                {
                        throw new NotImplementedException ();
                }

                [MonoTODO]
                public int NextMarker (out int startIndex, out int endIndex)
                {
                        throw new NotImplementedException ();
                }

                [MonoTODO]
                public int NextPathType (out byte pathType, out int startIndex, out int endIndex)
                {
                        throw new NotImplementedException ();
                }

                [MonoTODO]
                public int NextSubpath (GraphicsPath path, out bool isClosed)
                {
                        throw new NotImplementedException ();
                }

                [MonoTODO]
                public int NextSubpath (out int startIndex, out int endIndex, out bool isClosed)
                {
                        throw new NotImplementedException ();
                }

                public void Rewind ()
                {
                        _current = 0;
                }
        }
}