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//
// System.Drawing.Drawing2D.GeneralPathIterator.cs
//
// Author:
// Bors Kirzner <boris@mainsoft.com>
//
// Copyright (C) 2005 Mainsoft Corporation, (http://www.mainsoft.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 java.awt.geom;
namespace System.Drawing.Drawing2D
{
internal class GeneralPathIterator : PathIterator
{
#region Fields
int typeIdx = 0;
int pointIdx = 0;
ExtendedGeneralPath _path;
AffineTransform _affine;
private static readonly int [] curvesize = {2, 2, 4, 6, 0};
#endregion // Fileds
#region Constructors
public GeneralPathIterator(ExtendedGeneralPath _path) : this (_path, null)
{
}
public GeneralPathIterator(ExtendedGeneralPath _path, AffineTransform at)
{
this._path = _path;
this._affine = at;
}
#endregion // Constructors
#region Methods
public int getWindingRule()
{
return _path.getWindingRule ();
}
public bool isDone()
{
return (typeIdx >= _path.TypesCount);
}
public void next()
{
int type = _path.Types [typeIdx++] & ExtendedGeneralPath.SEG_MASK;
pointIdx += curvesize [type];
}
public int currentSegment(float [] coords) {
int type = _path.Types [typeIdx] & ExtendedGeneralPath.SEG_MASK;
int numCoords = curvesize [type];
if (numCoords > 0 && _affine != null)
_affine.transform (_path.Coords, pointIdx, coords, 0, numCoords/2);
else
Array.Copy (_path.Coords, pointIdx, coords, 0, numCoords);
return type;
}
public int currentSegment(double [] coords)
{
int type = _path.Types [typeIdx] & ExtendedGeneralPath.SEG_MASK;
int numCoords = curvesize [type];
if (numCoords > 0 && _affine != null)
_affine.transform (_path.Coords, pointIdx, coords, 0, numCoords/2);
else
for (int i=0; i < numCoords; i++)
coords [i] = _path.Coords [pointIdx + i];
return type;
}
#endregion // Methods
}
}
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