TextEmbeddedObject.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / textformatting / TextEmbeddedObject.cs / 1 / TextEmbeddedObject.cs
                        
                        
                            //------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation, 2004
// 
//  File:      TextEmbeddedObject.cs
// 
//  Contents:  Definition of text embedded object 
//
//  Spec:      http://avalon/text/DesignDocsAndSpecs/Text%20Formatting%20API.doc 
//
//  Created:   1-2-2004 Worachai Chaoweeraprasit (wchao)
//
//----------------------------------------------------------------------- 

 
using System; 
using System.Collections;
using System.Windows; 
using System.Windows.Media;
using MS.Internal.TextFormatting;

 
namespace System.Windows.Media.TextFormatting
{ 
    ///  
    /// Provide definition for a kind of text content in which measuring, hittesting
    /// and drawing of the entire content is done in whole. Example of that kind of 
    /// content is a button in the middle of the line.
    /// 
    public abstract class TextEmbeddedObject : TextRun
    { 
        /// 
        /// Line break condition before text object 
        ///  
        public abstract LineBreakCondition BreakBefore
        { get; } 


        /// 
        /// Line break condition after text object 
        /// 
        public abstract LineBreakCondition BreakAfter 
        { get; } 

 
        /// 
        /// Flag indicates whether text object has fixed size regardless of where
        /// it is placed within a line
        ///  
        public abstract bool HasFixedSize
        { get; } 
 

        ///  
        /// Get text object measurement metrics that will fit within the specified
        /// remaining width of the paragraph
        /// 
        /// remaining paragraph width 
        /// text object metrics
        public abstract TextEmbeddedObjectMetrics Format( 
            double  remainingParagraphWidth 
            );
 

        /// 
        /// Get computed bounding box of text object
        ///  
        /// run is drawn from right to left
        /// run is drawn with its side parallel to baseline 
        /// computed bounding box size of text object 
        public abstract Rect ComputeBoundingBox(
            bool    rightToLeft, 
            bool    sideways
            );

 
        /// 
        /// Draw text object 
        ///  
        /// drawing context
        /// origin where the object is drawn 
        /// run is drawn from right to left
        /// run is drawn with its side parallel to baseline
        public abstract void Draw(
            DrawingContext      drawingContext, 
            Point               origin,
            bool                rightToLeft, 
            bool                sideways 
            );
    } 



    ///  
    /// Text object properties
    ///  
    public class TextEmbeddedObjectMetrics 
    {
        private double          _width; 
        private double          _height;
        private double          _baseline;

 
        /// 
        /// Construct a text object size 
        ///  
        /// object width
        /// object height 
        /// object baseline in ratio relative to run height
        public TextEmbeddedObjectMetrics(
            double          width,
            double          height, 
            double          baseline
            ) 
        { 
            _width = width;
            _height = height; 
            _baseline = baseline;
        }

 
        /// 
        /// Object width 
        ///  
        public double Width
        { 
            get { return _width; }
        }

 
        /// 
        /// Object height 
        ///  
        /// 
        public double Height 
        {
            get { return _height; }
        }
 

        ///  
        /// Object baseline in ratio relative to run height 
        /// 
        public double Baseline 
        {
            get { return _baseline; }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation, 2004
// 
//  File:      TextEmbeddedObject.cs
// 
//  Contents:  Definition of text embedded object 
//
//  Spec:      http://avalon/text/DesignDocsAndSpecs/Text%20Formatting%20API.doc 
//
//  Created:   1-2-2004 Worachai Chaoweeraprasit (wchao)
//
//----------------------------------------------------------------------- 

 
using System; 
using System.Collections;
using System.Windows; 
using System.Windows.Media;
using MS.Internal.TextFormatting;

 
namespace System.Windows.Media.TextFormatting
{ 
    ///  
    /// Provide definition for a kind of text content in which measuring, hittesting
    /// and drawing of the entire content is done in whole. Example of that kind of 
    /// content is a button in the middle of the line.
    /// 
    public abstract class TextEmbeddedObject : TextRun
    { 
        /// 
        /// Line break condition before text object 
        ///  
        public abstract LineBreakCondition BreakBefore
        { get; } 


        /// 
        /// Line break condition after text object 
        /// 
        public abstract LineBreakCondition BreakAfter 
        { get; } 

 
        /// 
        /// Flag indicates whether text object has fixed size regardless of where
        /// it is placed within a line
        ///  
        public abstract bool HasFixedSize
        { get; } 
 

        ///  
        /// Get text object measurement metrics that will fit within the specified
        /// remaining width of the paragraph
        /// 
        /// remaining paragraph width 
        /// text object metrics
        public abstract TextEmbeddedObjectMetrics Format( 
            double  remainingParagraphWidth 
            );
 

        /// 
        /// Get computed bounding box of text object
        ///  
        /// run is drawn from right to left
        /// run is drawn with its side parallel to baseline 
        /// computed bounding box size of text object 
        public abstract Rect ComputeBoundingBox(
            bool    rightToLeft, 
            bool    sideways
            );

 
        /// 
        /// Draw text object 
        ///  
        /// drawing context
        /// origin where the object is drawn 
        /// run is drawn from right to left
        /// run is drawn with its side parallel to baseline
        public abstract void Draw(
            DrawingContext      drawingContext, 
            Point               origin,
            bool                rightToLeft, 
            bool                sideways 
            );
    } 



    ///  
    /// Text object properties
    ///  
    public class TextEmbeddedObjectMetrics 
    {
        private double          _width; 
        private double          _height;
        private double          _baseline;

 
        /// 
        /// Construct a text object size 
        ///  
        /// object width
        /// object height 
        /// object baseline in ratio relative to run height
        public TextEmbeddedObjectMetrics(
            double          width,
            double          height, 
            double          baseline
            ) 
        { 
            _width = width;
            _height = height; 
            _baseline = baseline;
        }

 
        /// 
        /// Object width 
        ///  
        public double Width
        { 
            get { return _width; }
        }

 
        /// 
        /// Object height 
        ///  
        /// 
        public double Height 
        {
            get { return _height; }
        }
 

        ///  
        /// Object baseline in ratio relative to run height 
        /// 
        public double Baseline 
        {
            get { return _baseline; }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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