Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media3D / ScaleTransform3D.cs / 1305600 / ScaleTransform3D.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: 3D scale transformation. // // See spec at http://avalon/medialayer/Specifications/Avalon3D%20API%20Spec.mht // // History: // 06/04/2003 : t-gregr - 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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