1 files changed, 150 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Drawing2D/GraphicsState.jvm.cs b/mcs/class/System.Drawing/System.Drawing.Drawing2D/GraphicsState.jvm.cs
new file mode 100644
index 00000000000..79e445b5f59
--- /dev/null
+++ b/mcs/class/System.Drawing/System.Drawing.Drawing2D/GraphicsState.jvm.cs
@@ -0,0 +1,150 @@
+//
+// System.Drawing.Drawing2D.ExtendedGraphicsState.jvm.cs
+//
+// Author:
+//   Vladimir Krasnov (vladimirk@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 System.Drawing.Text;
+using geom = java.awt.geom;
+using awt = java.awt;
+
+namespace System.Drawing.Drawing2D 
+{
+	/// <summary>
+	/// Summary description for GraphicsState.
+	/// </summary>
+	public sealed class GraphicsState : MarshalByRefObject
+	{
+		readonly CompositingMode _compositingMode;
+		readonly CompositingQuality _compositingQuality;
+		readonly Region _clip;
+		readonly awt.Shape _baseClip;
+		readonly InterpolationMode _interpolationMode;
+		readonly float _pageScale;
+		readonly GraphicsUnit _pageUnit;
+		readonly PixelOffsetMode _pixelOffsetMode;
+		readonly Point _renderingOrigin;
+		readonly SmoothingMode _smoothingMode;
+		readonly int _textContrast;
+		readonly TextRenderingHint _textRenderingHint;
+
+		// additional transform in case that new container has one
+		readonly Matrix _transform;
+		readonly Matrix _baseTransform;
+
+		GraphicsState _next = null;
+
+		internal GraphicsState(Graphics graphics, bool resetState) 
+			: this(graphics, Matrix.IdentityTransform, resetState) {}
+
+		internal GraphicsState Next {
+			get {
+				return _next;
+			}
+			set {
+				_next = value;
+			}
+		}
+
+		internal GraphicsState(Graphics graphics, Matrix matrix, bool resetState)
+		{
+			_compositingMode = graphics.CompositingMode;
+			_compositingQuality = graphics.CompositingQuality;
+			_clip = graphics.ScaledClip;
+			_baseClip = graphics.NativeObject.getClip();
+			_interpolationMode = graphics.InterpolationMode;
+			_pageScale = graphics.PageScale;
+			_pageUnit = graphics.PageUnit;
+			_pixelOffsetMode = graphics.PixelOffsetMode;
+			
+			// FIXME: render orign is not implemented yet
+			//_renderingOrigin = new Point( g.RenderingOrigin.X, g.RenderingOrigin.Y );
+
+			_smoothingMode = graphics.SmoothingMode;
+			_transform = graphics.Transform;
+			_baseTransform = graphics.BaseTransform;
+
+			_textContrast = graphics.TextContrast;
+			_textRenderingHint = graphics.TextRenderingHint;
+
+			if (resetState)
+				ResetState(graphics, matrix);
+		}
+
+		internal void RestoreState(Graphics graphics)
+		{
+			graphics.CompositingMode = _compositingMode;
+			graphics.CompositingQuality = _compositingQuality;
+			graphics.ScaledClip = _clip;
+			graphics.InterpolationMode = _interpolationMode;
+			graphics.PageScale = _pageScale;
+			graphics.PageUnit = _pageUnit;
+			graphics.PixelOffsetMode = _pixelOffsetMode;
+	
+			// FIXME: render orign is not implemented yet
+			//graphics.RenderingOrigin = new Point( _renderingOrigin.X, _renderingOrigin.Y );
+
+			graphics.SmoothingMode = _smoothingMode;
+			graphics.Transform = _transform;
+			graphics.BaseTransform = _baseTransform;
+			graphics.TextContrast = _textContrast;
+			graphics.TextRenderingHint = _textRenderingHint;
+
+			// must be set after the base transform is restored
+			graphics.NativeObject.setClip(_baseClip);
+		}
+
+		void ResetState(Graphics graphics, Matrix matrix)
+		{
+			//should be set before the base transform is changed
+			if (_baseClip == null)
+				graphics.IntersectScaledClipWithBase(graphics.VisibleShape);
+
+			graphics.CompositingMode = CompositingMode.SourceOver;
+			graphics.CompositingQuality = CompositingQuality.Default;
+			graphics.ScaledClip = Region.InfiniteRegion;
+			graphics.InterpolationMode = InterpolationMode.Bilinear;
+			graphics.PageScale = 1.0f;
+			graphics.PageUnit = GraphicsUnit.Display;
+			graphics.PixelOffsetMode = PixelOffsetMode.Default;
+			
+			// FIXME: render orign is not implemented yet
+			//graphics.RenderingOrigin = new Point(0, 0);
+
+			graphics.SmoothingMode = SmoothingMode.None;
+			graphics.ResetTransform();
+			graphics.PrependBaseTransform(Graphics.GetFinalTransform(_transform.NativeObject, _pageUnit, _pageScale));
+			graphics.PrependBaseTransform(matrix.NativeObject);
+			graphics.TextContrast = 4;
+			graphics.TextRenderingHint = TextRenderingHint.SystemDefault;
+		}
+
+		internal void RestoreBaseClip(Graphics graphics) {
+			graphics.NativeObject.setClip(_baseClip);
+		}
+	}
+}