GeneralTransform3DTo2DTo3D.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / MS / Internal / Media3D / GeneralTransform3DTo2DTo3D.cs / 1 / GeneralTransform3DTo2DTo3D.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: Declaration of the GeneralTransform3DTo2DTo3D class. 
//
//--------------------------------------------------------------------------- 

using MS.Internal;
using System;
using System.Collections; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization; 
using System.Diagnostics; 
using System.Globalization;
using System.Reflection; 
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Windows;
using System.Windows.Media; 
using System.Windows.Media.Animation;
using System.Windows.Media.Composition; 
using System.Windows.Markup; 
using System.Windows.Media.Media3D;
using MS.Internal.PresentationCore; 

namespace MS.Internal.Media3D
{
    ///  
    /// GeneralTransform3DTo2DTo3D class provides services to transform points from 3D to 2D to 3D
    ///  
    internal class GeneralTransform3DTo2DTo3D : GeneralTransform3D 
    {
        internal GeneralTransform3DTo2DTo3D() 
        {
        }

        internal GeneralTransform3DTo2DTo3D(GeneralTransform3DTo2D transform3DTo2D, 
                                            GeneralTransform2DTo3D transform2DTo3D)
        { 
            Debug.Assert(transform3DTo2D != null && transform2DTo3D != null); 

            _transform3DTo2D = (GeneralTransform3DTo2D)transform3DTo2D.GetAsFrozen(); 
            _transform2DTo3D = (GeneralTransform2DTo3D)transform2DTo3D.GetAsFrozen();
        }

        ///  
        /// Transform a point
        ///  
        /// Input point 
        /// Output point
        /// True if the point was transformed successfuly, false otherwise 
        public override bool TryTransform(Point3D inPoint, out Point3D result)
        {
            Point intermediate2DPoint = new Point();
            result = new Point3D(); 

            if (_transform3DTo2D == null || 
                !_transform3DTo2D.TryTransform(inPoint, out intermediate2DPoint)) 
            {
                return false; 
            }

            if (_transform2DTo3D == null ||
                !_transform2DTo3D.TryTransform(intermediate2DPoint, out result)) 
            {
                return false; 
            } 

            return true; 
        }

        /// 
        /// Returns the inverse transform if it has an inverse, null otherwise. 
        /// In this case we can only transform in one direction due to the ray being created
        /// so the inverse is null. 
        ///  
        public override GeneralTransform3D Inverse
        { 
            get
            {
                return null;
            } 
        }
 
        ///  
        /// Returns a best effort affine transform
        ///  
        internal override Transform3D AffineTransform
        {
            [FriendAccessAllowed] // Built into Core, also used by Framework.
            get 
            {
                return null; 
            } 
        }
 
        /// 
        /// Transforms the bounding box to the smallest axis aligned bounding box
        /// that contains all the points in the original bounding box
        ///  
        /// Bounding box
        /// The transformed bounding box 
        public override Rect3D TransformBounds(Rect3D rect) 
        {
            throw new NotImplementedException(); 
        }

        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore() 
        {
            return new GeneralTransform3DTo2DTo3D(); 
        }


        ///  
        /// Implementation of Freezable.CloneCore.
        ///  
        ///  
        protected override void CloneCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable;
            base.CloneCore(sourceFreezable);
            CopyCommon(transform);
        } 

 
        ///  
        /// Implementation of Freezable.CloneCurrentValueCore.
        ///  
        /// 
        protected override void CloneCurrentValueCore(Freezable sourceFreezable)
        {
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable; 
            base.CloneCurrentValueCore(sourceFreezable);
            CopyCommon(transform); 
        } 

 
        /// 
        /// Implementation of Freezable.GetAsFrozenCore.
        /// 
        ///  
        protected override void GetAsFrozenCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable; 
            base.GetAsFrozenCore(sourceFreezable);
            CopyCommon(transform); 
        }


        ///  
        /// Implementation of Freezable.GetCurrentValueAsFrozenCore.
        ///  
        ///  
        protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable;
            base.GetCurrentValueAsFrozenCore(sourceFreezable);
            CopyCommon(transform);
        } 

        ///  
        /// Clones values that do not have corresponding DPs 
        /// 
        ///  
        private void CopyCommon(GeneralTransform3DTo2DTo3D transform)
        {
            _transform3DTo2D = transform._transform3DTo2D;
            _transform2DTo3D = transform._transform2DTo3D; 
        }
 
        GeneralTransform3DTo2D _transform3DTo2D; 
        GeneralTransform2DTo3D _transform2DTo3D;
    } 
}



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: Declaration of the GeneralTransform3DTo2DTo3D class. 
//
//--------------------------------------------------------------------------- 

using MS.Internal;
using System;
using System.Collections; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization; 
using System.Diagnostics; 
using System.Globalization;
using System.Reflection; 
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Windows;
using System.Windows.Media; 
using System.Windows.Media.Animation;
using System.Windows.Media.Composition; 
using System.Windows.Markup; 
using System.Windows.Media.Media3D;
using MS.Internal.PresentationCore; 

namespace MS.Internal.Media3D
{
    ///  
    /// GeneralTransform3DTo2DTo3D class provides services to transform points from 3D to 2D to 3D
    ///  
    internal class GeneralTransform3DTo2DTo3D : GeneralTransform3D 
    {
        internal GeneralTransform3DTo2DTo3D() 
        {
        }

        internal GeneralTransform3DTo2DTo3D(GeneralTransform3DTo2D transform3DTo2D, 
                                            GeneralTransform2DTo3D transform2DTo3D)
        { 
            Debug.Assert(transform3DTo2D != null && transform2DTo3D != null); 

            _transform3DTo2D = (GeneralTransform3DTo2D)transform3DTo2D.GetAsFrozen(); 
            _transform2DTo3D = (GeneralTransform2DTo3D)transform2DTo3D.GetAsFrozen();
        }

        ///  
        /// Transform a point
        ///  
        /// Input point 
        /// Output point
        /// True if the point was transformed successfuly, false otherwise 
        public override bool TryTransform(Point3D inPoint, out Point3D result)
        {
            Point intermediate2DPoint = new Point();
            result = new Point3D(); 

            if (_transform3DTo2D == null || 
                !_transform3DTo2D.TryTransform(inPoint, out intermediate2DPoint)) 
            {
                return false; 
            }

            if (_transform2DTo3D == null ||
                !_transform2DTo3D.TryTransform(intermediate2DPoint, out result)) 
            {
                return false; 
            } 

            return true; 
        }

        /// 
        /// Returns the inverse transform if it has an inverse, null otherwise. 
        /// In this case we can only transform in one direction due to the ray being created
        /// so the inverse is null. 
        ///  
        public override GeneralTransform3D Inverse
        { 
            get
            {
                return null;
            } 
        }
 
        ///  
        /// Returns a best effort affine transform
        ///  
        internal override Transform3D AffineTransform
        {
            [FriendAccessAllowed] // Built into Core, also used by Framework.
            get 
            {
                return null; 
            } 
        }
 
        /// 
        /// Transforms the bounding box to the smallest axis aligned bounding box
        /// that contains all the points in the original bounding box
        ///  
        /// Bounding box
        /// The transformed bounding box 
        public override Rect3D TransformBounds(Rect3D rect) 
        {
            throw new NotImplementedException(); 
        }

        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore() 
        {
            return new GeneralTransform3DTo2DTo3D(); 
        }


        ///  
        /// Implementation of Freezable.CloneCore.
        ///  
        ///  
        protected override void CloneCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable;
            base.CloneCore(sourceFreezable);
            CopyCommon(transform);
        } 

 
        ///  
        /// Implementation of Freezable.CloneCurrentValueCore.
        ///  
        /// 
        protected override void CloneCurrentValueCore(Freezable sourceFreezable)
        {
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable; 
            base.CloneCurrentValueCore(sourceFreezable);
            CopyCommon(transform); 
        } 

 
        /// 
        /// Implementation of Freezable.GetAsFrozenCore.
        /// 
        ///  
        protected override void GetAsFrozenCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable; 
            base.GetAsFrozenCore(sourceFreezable);
            CopyCommon(transform); 
        }


        ///  
        /// Implementation of Freezable.GetCurrentValueAsFrozenCore.
        ///  
        ///  
        protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
        { 
            GeneralTransform3DTo2DTo3D transform = (GeneralTransform3DTo2DTo3D)sourceFreezable;
            base.GetCurrentValueAsFrozenCore(sourceFreezable);
            CopyCommon(transform);
        } 

        ///  
        /// Clones values that do not have corresponding DPs 
        /// 
        ///  
        private void CopyCommon(GeneralTransform3DTo2DTo3D transform)
        {
            _transform3DTo2D = transform._transform3DTo2D;
            _transform2DTo3D = transform._transform2DTo3D; 
        }
 
        GeneralTransform3DTo2D _transform3DTo2D; 
        GeneralTransform2DTo3D _transform2DTo3D;
    } 
}



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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GeneralTransform3DTo2DTo3D.cs source code in C# .NET

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