ScaleTransform3D.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media3D / ScaleTransform3D.cs / 1 / ScaleTransform3D.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: 3D scale transformation. 
//
//              See spec at [....]/medialayer/Specifications/Avalon3D%20API%20Spec.mht 
//
// History:
//  06/04/2003 : [....] - Created
// 
//---------------------------------------------------------------------------
 
using System; 
using System.Windows.Media;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using MS.Internal;
using System.ComponentModel.Design.Serialization;
using System.Windows.Markup; 

namespace System.Windows.Media.Media3D 
{ 
    /// 
    /// 3D scale transform. 
    /// 
    public sealed partial class ScaleTransform3D : AffineTransform3D
    {
        //----------------------------------------------------- 
        //
        //  Constructors 
        // 
        //-----------------------------------------------------
 
        #region Constructors

        /// 
        ///     Default constructor. 
        /// 
        public ScaleTransform3D() {} 
 
        /// 
        ///     Constructor. 
        /// 
        public ScaleTransform3D(Vector3D scale)
        {
            ScaleX = scale.X; 
            ScaleY = scale.Y;
            ScaleZ = scale.Z; 
        } 

 
        /// 
        ///     Constructor.
        /// 
        public ScaleTransform3D(double scaleX, double scaleY, double scaleZ) 
        {
            ScaleX = scaleX; 
            ScaleY = scaleY; 
            ScaleZ = scaleZ;
        } 

        /// 
        ///     Constructor.
        ///  
        public ScaleTransform3D(Vector3D scale, Point3D center)
        { 
            ScaleX = scale.X; 
            ScaleY = scale.Y;
            ScaleZ = scale.Z; 
            CenterX = center.X;
            CenterY = center.Y;
            CenterZ = center.Z;
        } 

        ///  
        ///     Constructor. 
        /// 
        public ScaleTransform3D(double scaleX, double scaleY, double scaleZ, double centerX, double centerY, double centerZ) 
        {
            ScaleX = scaleX;
            ScaleY = scaleY;
            ScaleZ = scaleZ; 
            CenterX = centerX;
            CenterY = centerY; 
            CenterZ = centerZ; 
        }
 
        #endregion Constructors

        //------------------------------------------------------
        // 
        //  Public Methods
        // 
        //----------------------------------------------------- 

        //------------------------------------------------------ 
        //
        //  Public Properties
        //
        //------------------------------------------------------ 

        #region Public Properties 
 
        /// 
        ///     Retrieves matrix representation of this transform. 
        /// 
        public override Matrix3D Value
        {
            get 
            {
                ReadPreamble(); 
 
                Matrix3D matrix = new Matrix3D();
                Append(ref matrix); 

                return matrix;
            }
        } 

        #endregion Public Properties 
 
        internal override void Append(ref Matrix3D matrix)
        { 
            Vector3D scale = new Vector3D(_cachedScaleXValue, _cachedScaleYValue, _cachedScaleZValue);

            if (_cachedCenterXValue == 0.0 && _cachedCenterYValue == 0.0 && _cachedCenterZValue == 0.0)
            { 
                matrix.Scale(scale);
            } 
            else 
            {
                matrix.ScaleAt(scale, new Point3D(_cachedCenterXValue, _cachedCenterYValue, _cachedCenterZValue)); 
            }
        }

    } 
}
 

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

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