MatrixTransform.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / MatrixTransform.cs / 1305600 / MatrixTransform.cs
                        
                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2001
//
//  File:       MatrixTransform.cs 
//-----------------------------------------------------------------------------
 
using System.Windows.Media; 
using System;
using System.Windows; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using System.Security; 
using System.Security.Permissions;
using System.Collections; 
using MS.Internal; 
using MS.Internal.PresentationCore;
using System.Windows.Media.Animation; 
using System.Globalization;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Media.Composition; 
using System.Diagnostics;
 
using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID;
 
namespace System.Windows.Media
{
    ///
    /// Create an arbitrary matrix transformation. 
    ///
    public sealed partial class MatrixTransform : Transform 
    { 
        #region Constructors
 
        ///
        ///
        ///
        public MatrixTransform() 
        {
        } 
 
        ///
        /// Create an arbitrary matrix transformation. 
        ///
        ///Matrix value at position 1,1
        ///Matrix value at position 1,2
        ///Matrix value at position 2,1 
        ///Matrix value at position 2,2
        ///Matrix value at position 3,1 
        ///Matrix value at position 3,2 
        public MatrixTransform(
            double m11, 
            double m12,
            double m21,
            double m22,
            double offsetX, 
            double offsetY
            ) 
        { 
            Matrix = new Matrix(m11, m12, m21, m22, offsetX, offsetY);
        } 

        ///
        /// Create a matrix transformation from constant transform.
        /// 
        ///The constant matrix transformation.
        public MatrixTransform(Matrix matrix) 
        { 
            Matrix = matrix;
        } 

        #endregion

        /// 
        /// Return the current transformation value.
        /// 
        public override Matrix Value 
        {
            get 
            {
                ReadPreamble();

                return Matrix; 
            }
        } 
 
        #region Internal Methods
 
        ///
        /// Returns true if transformation matches the identity transform.
        ///
        internal override bool IsIdentity 
        {
            get 
            { 
                return Matrix.IsIdentity && CanFreeze;
            } 
        }

        internal override bool CanSerializeToString() { return CanFreeze; }
 
        /// 
        /// Creates a string representation of this object based on the format string 
        /// and IFormatProvider passed in. 
        /// If the provider is null, the CurrentCulture is used.
        /// See the documentation for IFormattable for more information. 
        /// 
        /// 
        /// A string representation of this object.
        ///  
        internal override string ConvertToString(string format, IFormatProvider provider)
        { 
            if (!CanSerializeToString()) 
            {
                return base.ConvertToString(format, provider); 
            }

            return ((IFormattable)Matrix).ToString(format, provider);
        } 

        internal override void TransformRect(ref Rect rect) 
        { 
            Matrix matrix = Matrix;
            MatrixUtil.TransformRect(ref rect, ref matrix); 
        }

        internal override void MultiplyValueByMatrix(ref Matrix result, ref Matrix matrixToMultiplyBy)
        { 
            result = Matrix;
            MatrixUtil.MultiplyMatrix(ref result, ref matrixToMultiplyBy); 
        } 

        #endregion Internal Methods 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2001
//
//  File:       MatrixTransform.cs 
//-----------------------------------------------------------------------------
 
using System.Windows.Media; 
using System;
using System.Windows; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using System.Security; 
using System.Security.Permissions;
using System.Collections; 
using MS.Internal; 
using MS.Internal.PresentationCore;
using System.Windows.Media.Animation; 
using System.Globalization;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Media.Composition; 
using System.Diagnostics;
 
using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID;
 
namespace System.Windows.Media
{
    ///
    /// Create an arbitrary matrix transformation. 
    ///
    public sealed partial class MatrixTransform : Transform 
    { 
        #region Constructors
 
        ///
        ///
        ///
        public MatrixTransform() 
        {
        } 
 
        ///
        /// Create an arbitrary matrix transformation. 
        ///
        ///Matrix value at position 1,1
        ///Matrix value at position 1,2
        ///Matrix value at position 2,1 
        ///Matrix value at position 2,2
        ///Matrix value at position 3,1 
        ///Matrix value at position 3,2 
        public MatrixTransform(
            double m11, 
            double m12,
            double m21,
            double m22,
            double offsetX, 
            double offsetY
            ) 
        { 
            Matrix = new Matrix(m11, m12, m21, m22, offsetX, offsetY);
        } 

        ///
        /// Create a matrix transformation from constant transform.
        /// 
        ///The constant matrix transformation.
        public MatrixTransform(Matrix matrix) 
        { 
            Matrix = matrix;
        } 

        #endregion

        /// 
        /// Return the current transformation value.
        /// 
        public override Matrix Value 
        {
            get 
            {
                ReadPreamble();

                return Matrix; 
            }
        } 
 
        #region Internal Methods
 
        ///
        /// Returns true if transformation matches the identity transform.
        ///
        internal override bool IsIdentity 
        {
            get 
            { 
                return Matrix.IsIdentity && CanFreeze;
            } 
        }

        internal override bool CanSerializeToString() { return CanFreeze; }
 
        /// 
        /// Creates a string representation of this object based on the format string 
        /// and IFormatProvider passed in. 
        /// If the provider is null, the CurrentCulture is used.
        /// See the documentation for IFormattable for more information. 
        /// 
        /// 
        /// A string representation of this object.
        ///  
        internal override string ConvertToString(string format, IFormatProvider provider)
        { 
            if (!CanSerializeToString()) 
            {
                return base.ConvertToString(format, provider); 
            }

            return ((IFormattable)Matrix).ToString(format, provider);
        } 

        internal override void TransformRect(ref Rect rect) 
        { 
            Matrix matrix = Matrix;
            MatrixUtil.TransformRect(ref rect, ref matrix); 
        }

        internal override void MultiplyValueByMatrix(ref Matrix result, ref Matrix matrixToMultiplyBy)
        { 
            result = Matrix;
            MatrixUtil.MultiplyMatrix(ref result, ref matrixToMultiplyBy); 
        } 

        #endregion Internal Methods 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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MatrixTransform.cs source code in C# .NET

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