Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media3D / HitTestParameters3D.cs / 1 / HitTestParameters3D.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // History: // 03/16/2004 : [....] - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using MS.Internal.Media3D; using CultureInfo = System.Globalization.CultureInfo; namespace System.Windows.Media.Media3D { ////// Encapsulates a set parameters for performing a 3D hit test. This is an /// abstract base class. /// ////// Internally the HitTestParameters3D is double as the hit testing "context" /// which includes such things as the current LocalToWorld transform, etc. /// public abstract class HitTestParameters3D { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Internal to prevent 3rd parties from extending this abstract base class. internal HitTestParameters3D() {} #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //------------------------------------------------------ //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- internal void PushVisualTransform(Transform3D transform) { Debug.Assert(!HasModelTransformMatrix, "ModelTransform stack should be empty when pusing a visual transform"); if (transform != null && transform != Transform3D.Identity) { _visualTransformStack.Push(transform.Value); } } internal void PushModelTransform(Transform3D transform) { if (transform != null && transform != Transform3D.Identity) { _modelTransformStack.Push(transform.Value); } } internal void PopTransform(Transform3D transform) { if (transform != null && transform != Transform3D.Identity) { if (_modelTransformStack.Count > 0) { _modelTransformStack.Pop(); } else { _visualTransformStack.Pop(); } } } //----------------------------------------------------- // // Internal Properties // //------------------------------------------------------ #region Internal Properties internal bool HasWorldTransformMatrix { get { return _visualTransformStack.Count > 0 || _modelTransformStack.Count > 0; } } internal Matrix3D WorldTransformMatrix { get { Debug.Assert(HasWorldTransformMatrix, "Check HasWorldTransformMatrix before accessing WorldTransformMatrix."); if (_modelTransformStack.IsEmpty) { return _visualTransformStack.Top; } else if (_visualTransformStack.IsEmpty) { return _modelTransformStack.Top; } else { return _modelTransformStack.Top * _visualTransformStack.Top; } } } internal bool HasModelTransformMatrix { get { return _modelTransformStack.Count > 0; } } ////// The ModelTransformMatrix is the transform in the coordinate system /// of the last Visual hit. /// internal Matrix3D ModelTransformMatrix { get { Debug.Assert(HasModelTransformMatrix, "Check HasModelTransformMatrix before accessing ModelTransformMatrix."); return _modelTransformStack.Top; } } ////// True if the hit test origined in 2D (i.e., we projected a /// the ray from a point on a Viewport3DVisual.) /// internal bool HasHitTestProjectionMatrix { get { return _hitTestProjectionMatrix != null; } } ////// The projection matrix can be set to give additional /// information about a hit test that originated from a camera. /// When any 3D point is projected using the matrix it ends up /// at an x,y location (after homogeneous divide) that is a /// constant translation of its location in the camera's /// viewpoint. /// /// All points on the ray project to 0,0 /// /// The RayFromViewportPoint methods will set this matrix up. /// This matrix is needed to implement hit testing of the magic /// line, which is not intersected by any rays not produced /// using RayFromViewportPoint. /// /// It is being added to HitTestParameters3D rather than /// RayHitTestParameters3D because it could be generally useful /// to any sort of hit testing that originates from a camera, /// including cone hit testing or the full generalization of 3D /// shape hit testing. /// internal Matrix3D HitTestProjectionMatrix { get { Debug.Assert(HasHitTestProjectionMatrix, "Check HasHitTestProjectionMatrix before accessing HitTestProjectionMatrix."); return _hitTestProjectionMatrix.Value; } set { _hitTestProjectionMatrix = new Matrix3D?(value); } } internal Visual3D CurrentVisual; internal Model3D CurrentModel; internal GeometryModel3D CurrentGeometry; #endregion Internal Properties //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private Matrix3D? _hitTestProjectionMatrix = null; private Matrix3DStack _visualTransformStack = new Matrix3DStack(); private Matrix3DStack _modelTransformStack = new Matrix3DStack(); #endregion Private Fields } } // 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. // // // History: // 03/16/2004 : [....] - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using MS.Internal.Media3D; using CultureInfo = System.Globalization.CultureInfo; namespace System.Windows.Media.Media3D { ////// Encapsulates a set parameters for performing a 3D hit test. This is an /// abstract base class. /// ////// Internally the HitTestParameters3D is double as the hit testing "context" /// which includes such things as the current LocalToWorld transform, etc. /// public abstract class HitTestParameters3D { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Internal to prevent 3rd parties from extending this abstract base class. internal HitTestParameters3D() {} #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //------------------------------------------------------ //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- internal void PushVisualTransform(Transform3D transform) { Debug.Assert(!HasModelTransformMatrix, "ModelTransform stack should be empty when pusing a visual transform"); if (transform != null && transform != Transform3D.Identity) { _visualTransformStack.Push(transform.Value); } } internal void PushModelTransform(Transform3D transform) { if (transform != null && transform != Transform3D.Identity) { _modelTransformStack.Push(transform.Value); } } internal void PopTransform(Transform3D transform) { if (transform != null && transform != Transform3D.Identity) { if (_modelTransformStack.Count > 0) { _modelTransformStack.Pop(); } else { _visualTransformStack.Pop(); } } } //----------------------------------------------------- // // Internal Properties // //------------------------------------------------------ #region Internal Properties internal bool HasWorldTransformMatrix { get { return _visualTransformStack.Count > 0 || _modelTransformStack.Count > 0; } } internal Matrix3D WorldTransformMatrix { get { Debug.Assert(HasWorldTransformMatrix, "Check HasWorldTransformMatrix before accessing WorldTransformMatrix."); if (_modelTransformStack.IsEmpty) { return _visualTransformStack.Top; } else if (_visualTransformStack.IsEmpty) { return _modelTransformStack.Top; } else { return _modelTransformStack.Top * _visualTransformStack.Top; } } } internal bool HasModelTransformMatrix { get { return _modelTransformStack.Count > 0; } } ////// The ModelTransformMatrix is the transform in the coordinate system /// of the last Visual hit. /// internal Matrix3D ModelTransformMatrix { get { Debug.Assert(HasModelTransformMatrix, "Check HasModelTransformMatrix before accessing ModelTransformMatrix."); return _modelTransformStack.Top; } } ////// True if the hit test origined in 2D (i.e., we projected a /// the ray from a point on a Viewport3DVisual.) /// internal bool HasHitTestProjectionMatrix { get { return _hitTestProjectionMatrix != null; } } ////// The projection matrix can be set to give additional /// information about a hit test that originated from a camera. /// When any 3D point is projected using the matrix it ends up /// at an x,y location (after homogeneous divide) that is a /// constant translation of its location in the camera's /// viewpoint. /// /// All points on the ray project to 0,0 /// /// The RayFromViewportPoint methods will set this matrix up. /// This matrix is needed to implement hit testing of the magic /// line, which is not intersected by any rays not produced /// using RayFromViewportPoint. /// /// It is being added to HitTestParameters3D rather than /// RayHitTestParameters3D because it could be generally useful /// to any sort of hit testing that originates from a camera, /// including cone hit testing or the full generalization of 3D /// shape hit testing. /// internal Matrix3D HitTestProjectionMatrix { get { Debug.Assert(HasHitTestProjectionMatrix, "Check HasHitTestProjectionMatrix before accessing HitTestProjectionMatrix."); return _hitTestProjectionMatrix.Value; } set { _hitTestProjectionMatrix = new Matrix3D?(value); } } internal Visual3D CurrentVisual; internal Model3D CurrentModel; internal GeometryModel3D CurrentGeometry; #endregion Internal Properties //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private Matrix3D? _hitTestProjectionMatrix = null; private Matrix3DStack _visualTransformStack = new Matrix3DStack(); private Matrix3DStack _modelTransformStack = new Matrix3DStack(); #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- LabelEditEvent.cs
- XmlSerializerFactory.cs
- DragCompletedEventArgs.cs
- DirectoryRootQuery.cs
- FileClassifier.cs
- XmlSchemaSequence.cs
- UrlAuthorizationModule.cs
- WebPart.cs
- RotateTransform.cs
- OptimalTextSource.cs
- DispatcherTimer.cs
- AdornerPresentationContext.cs
- XmlDataImplementation.cs
- AlphaSortedEnumConverter.cs
- DecimalConverter.cs
- Crc32.cs
- SigningDialog.cs
- CheckBoxField.cs
- CheckoutException.cs
- GroupByExpressionRewriter.cs
- Button.cs
- AdapterUtil.cs
- SortedSetDebugView.cs
- BooleanStorage.cs
- SafeNativeMethods.cs
- XPathMultyIterator.cs
- HttpApplicationFactory.cs
- HTMLTagNameToTypeMapper.cs
- CfgArc.cs
- ScrollEvent.cs
- DataGridAutoFormatDialog.cs
- WmfPlaceableFileHeader.cs
- X509SecurityTokenProvider.cs
- WinFormsSpinner.cs
- PersistChildrenAttribute.cs
- ResourceIDHelper.cs
- MetadataUtil.cs
- ClientRuntimeConfig.cs
- sqlpipe.cs
- BinaryMessageEncoder.cs
- JournalEntryListConverter.cs
- Rijndael.cs
- IgnoreFileBuildProvider.cs
- Rect3DConverter.cs
- WebReferencesBuildProvider.cs
- PersistStreamTypeWrapper.cs
- FontSource.cs
- SecUtil.cs
- _OverlappedAsyncResult.cs
- EmptyStringExpandableObjectConverter.cs
- SoapInteropTypes.cs
- ObjectDataSourceView.cs
- SystemBrushes.cs
- SafeCoTaskMem.cs
- SafeFindHandle.cs
- BasicHttpBindingCollectionElement.cs
- GACIdentityPermission.cs
- X509Utils.cs
- ProjectionPathSegment.cs
- UpdateRecord.cs
- XmlDataDocument.cs
- CanonicalFontFamilyReference.cs
- Substitution.cs
- SkinBuilder.cs
- TrackBar.cs
- View.cs
- OracleInfoMessageEventArgs.cs
- ResourceDisplayNameAttribute.cs
- ToolStripSeparatorRenderEventArgs.cs
- PropertyConverter.cs
- MgmtConfigurationRecord.cs
- ProfilePropertyMetadata.cs
- CodeDirectionExpression.cs
- ObjectSecurityT.cs
- DataTableReader.cs
- PolyQuadraticBezierSegment.cs
- VariantWrapper.cs
- WorkerRequest.cs
- ZipIOFileItemStream.cs
- SafeProcessHandle.cs
- AesManaged.cs
- HybridWebProxyFinder.cs
- MemberRelationshipService.cs
- XmlSchemaComplexType.cs
- ExceptionRoutedEventArgs.cs
- ClaimTypes.cs
- ZoneLinkButton.cs
- StreamGeometryContext.cs
- ExpressionPrinter.cs
- DSASignatureDeformatter.cs
- InstallerTypeAttribute.cs
- StatusBarAutomationPeer.cs
- TraceListener.cs
- KnownBoxes.cs
- regiisutil.cs
- PieceDirectory.cs
- BindingBase.cs
- SimpleWebHandlerParser.cs
- DataSetViewSchema.cs
- RadioButtonList.cs