Transform3DGroup.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 / Transform3DGroup.cs / 1 / Transform3DGroup.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: 3D transform collection. 
//
//              See spec at [....]/medialayer/Specifications/Avalon3D%20API%20Spec.mht 
//
// History:
//  06/11/2003 : [....] - Created
//  01/19/2004 : [....] - Changed to Transform3DGroup 
//
//--------------------------------------------------------------------------- 
 

using System; 
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Composition;
using System.ComponentModel; 
using System.ComponentModel.Design.Serialization;
using System.Reflection; 
using System.Collections; 
using System.Collections.Generic;
using MS.Internal; 
using System.Windows.Media.Animation;
using System.Globalization;
using System.Text;
using System.Runtime.InteropServices; 
using System.Windows.Markup;
using System.Diagnostics; 
 
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID; 

namespace System.Windows.Media.Media3D
{
    ///  
    /// 3D transform group.
    ///  
    [ContentProperty("Children")] 
    public sealed partial class Transform3DGroup : Transform3D
    { 
        //-----------------------------------------------------
        //
        //  Constructors
        // 
        //-----------------------------------------------------
 
        #region Constructors 

        ///  
        ///     Default constructor.
        /// 
        public Transform3DGroup() {}
 
        #endregion Constructors
 
        //------------------------------------------------------ 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

        /// 
        ///     Return the current transformation value. 
        ///
        public override Matrix3D Value 
        {
            get
            {
                ReadPreamble(); 

                Matrix3D transform = new Matrix3D(); 
                Append(ref transform); 

                return transform; 
            }
        }

        ///  
        ///     Whether the transform is affine.
        ///  
        public override bool IsAffine 
        {
            get 
            {
                ReadPreamble();

                Transform3DCollection children = Children; 
                if (children != null)
                { 
                    for (int i = 0, count = children.Count; i < count; ++i) 
                    {
                        Transform3D transform = children.Internal_GetItem(i); 
                        if (!transform.IsAffine)
                        {
                            return false;
                        } 
                    }
                } 
 
                return true;
            } 
        }

        #endregion Public Methods
 
        //------------------------------------------------------
        // 
        //  Internal Methods 
        //
        //------------------------------------------------------ 

        internal override void Append(ref Matrix3D matrix)
        {
            Transform3DCollection children = Children; 
            if (children != null)
            { 
                for (int i = 0, count = children.Count; i < count; i++) 
                {
                    children.Internal_GetItem(i).Append(ref matrix); 
                }
            }
        }
 
        //-----------------------------------------------------
        // 
        //  Private Fields 
        //
        //------------------------------------------------------ 

    }
}

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

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