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//
// 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);
}
}
}
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