Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Documents / FixedSOMElement.cs / 1305600 / FixedSOMElement.cs
/*++ File: FixedSOMElement.cs Copyright (C) 2005 Microsoft Corporation. All rights reserved. Description: Abstract class that provides a common base class for all non-container semantic elements. These elements have a fixed node and start and end symbol indices associated with them. History: 05/17/2005: agurcan - Created --*/ namespace System.Windows.Documents { using System.Collections.Generic; using System.Diagnostics; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using System.Windows.Controls; internal abstract class FixedSOMElement : FixedSOMSemanticBox { //-------------------------------------------------------------------- // // Constructors // //--------------------------------------------------------------------- #region Constructors protected FixedSOMElement(FixedNode fixedNode, int startIndex, int endIndex, GeneralTransform transform) { _fixedNode = fixedNode; _startIndex = startIndex; _endIndex = endIndex; Transform trans = transform.AffineTransform; if (trans != null) { _mat = trans.Value; } else { _mat = Transform.Identity.Value; } } protected FixedSOMElement(FixedNode fixedNode, GeneralTransform transform) { _fixedNode = fixedNode; Transform trans = transform.AffineTransform; if (trans != null) { _mat = trans.Value; } else { _mat = Transform.Identity.Value; } } #endregion Constructors //------------------------------------------------------------------- // // Public Properties // //--------------------------------------------------------------------- #region Static methods public static FixedSOMElement CreateFixedSOMElement(FixedPage page, UIElement uiElement, FixedNode fixedNode, int startIndex, int endIndex) { FixedSOMElement element = null; if (uiElement is Glyphs) { Glyphs glyphs = uiElement as Glyphs; if (glyphs.UnicodeString.Length > 0) { GlyphRun glyphRun = glyphs.ToGlyphRun(); Rect alignmentBox = glyphRun.ComputeAlignmentBox(); alignmentBox.Offset(glyphs.OriginX, glyphs.OriginY); GeneralTransform transform = glyphs.TransformToAncestor(page); if (startIndex < 0) { startIndex = 0; } if (endIndex < 0) { endIndex = glyphRun.Characters == null ? 0 : glyphRun.Characters.Count; } element = FixedSOMTextRun.Create(alignmentBox, transform, glyphs, fixedNode, startIndex, endIndex, false); } } else if (uiElement is Image) { element = FixedSOMImage.Create(page, uiElement as Image, fixedNode); } else if (uiElement is Path) { element = FixedSOMImage.Create(page, uiElement as Path, fixedNode); } return element; } #endregion Static methods //-------------------------------------------------------------------- // // Public Properties // //--------------------------------------------------------------------- #region Public Properties public FixedNode FixedNode { get { return _fixedNode; } } public int StartIndex { get { return _startIndex; } } public int EndIndex { get { return _endIndex; } } #endregion Public Properties //-------------------------------------------------------------------- // // Internal Properties // //---------------------------------------------------------------------- #region Internal Properties internal FlowNode FlowNode { get { return _flowNode; } set { _flowNode = value; } } internal int OffsetInFlowNode { get { return _offsetInFlowNode; } set { _offsetInFlowNode = value; } } internal Matrix Matrix { get { return _mat; } } #endregion Internal Properties //------------------------------------------------------------------- // // Protected Fields // //---------------------------------------------------------------------- #region Protected Fields protected FixedNode _fixedNode ; protected int _startIndex; protected int _endIndex; protected Matrix _mat; #endregion Protected Fields #region Private Fields private FlowNode _flowNode; private int _offsetInFlowNode; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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