Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media3D / GeometryModel3D.cs / 2 / GeometryModel3D.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: 3D geometry primitive implementation. // // See spec at [....]/medialayer/Specifications/Avalon3D%20API%20Spec.mht // // History: // 06/10/2004 : [....] - Created from MeshPrimitive3D.cs (deprecated) // //--------------------------------------------------------------------------- using MS.Internal; using MS.Internal.Media3D; using System; using System.Collections; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Windows.Media; using System.Windows.Media.Composition; using System.Windows.Media.Media3D; using System.Windows.Markup; namespace System.Windows.Media.Media3D { ////// GeometryModel3D is for modeling with a Geometry3D and a Material. /// public sealed partial class GeometryModel3D : Model3D { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- ////// Builds a GeometryModel3D with empty Geometry3D and Material. /// public GeometryModel3D() {} ////// Constructor. /// /// Geometry of the new mesh primitive. /// Material of the new mesh primitive. public GeometryModel3D(Geometry3D geometry, Material material) { Geometry = geometry; Material = material; } //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal override Rect3D CalculateSubgraphBoundsInnerSpace() { Geometry3D geometry = Geometry; if (geometry == null) { return Rect3D.Empty; } return geometry.Bounds; } internal override void RayHitTestCore(RayHitTestParameters rayParams) { Geometry3D geometry = Geometry; if (geometry != null) { // If our Geometry3D hit test intersects anything we should return "this" Model3D // as the HitTestResult.ModelHit. rayParams.CurrentModel = this; FaceType facesToHit = FaceType.None; if (Material != null) { facesToHit |= FaceType.Front; } if (BackMaterial != null) { facesToHit |= FaceType.Back; } if (facesToHit != FaceType.None) { geometry.RayHitTest(rayParams, facesToHit); } } } internal void MaterialPropertyChangedHook(DependencyPropertyChangedEventArgs e) { // Override of OnChanged on Model3DGroup will propagate this up _flags[DirtyForPreComputeFlag] = true; } internal void BackMaterialPropertyChangedHook(DependencyPropertyChangedEventArgs e) { MaterialPropertyChangedHook(e); } internal override void PreCompute() { Debug.Assert(_flags[DirtyForPreComputeFlag]); bool requiresRealization = false; Material material = Material; if (material != null) { requiresRealization |= material.PreCompute(); } Material backMaterial = BackMaterial; if (backMaterial != null) { requiresRealization |= backMaterial.PreCompute(); } _flags[RequiresRealizationFlag] = requiresRealization; _flags[DirtyForPreComputeFlag] = false; } ////// Realization support /// internal override void MarkVisibleRealizations( RealizationContext rc) { Debug.Assert(_flags[RequiresRealizationFlag]); MeshGeometry3D geometry = Geometry as MeshGeometry3D; Material material = Material; Material backMaterial = BackMaterial; if (geometry != null && (material != null || backMaterial != null)) { Rect textureCoordinateBounds = geometry.GetTextureCoordinateBounds(); // // If the texture coordinate bounds are empty, we skip realizing this // material. if (textureCoordinateBounds.IsEmpty) { return; } Transform3D transform = Transform; Matrix3DStack stack3D = rc.Transform3DStack; if (transform != null) { stack3D.Push(transform.Value); } Rect3D mesh3DBox = geometry.Bounds; // // Extend the 2D world transform to a 3D matrix and calculate the // full 3d device transform. MatrixStack stack2D = rc.TransformStack; Matrix deviceTransform2D = stack2D.Peek(); Matrix3D deviceTransform3D = new Matrix3D( deviceTransform2D.M11 , deviceTransform2D.M12, 0, 0, deviceTransform2D.M21 , deviceTransform2D.M22, 0, 0, 0, 0, 1, 0, deviceTransform2D.OffsetX, deviceTransform2D.OffsetY, 0, 1); deviceTransform3D.Prepend(stack3D.Top); // // Calculate the material to texture sample space transform. Matrix textureSpaceTransform2D; MILUtilities.CalcMesh3DBrushAndSampleSpace( ref deviceTransform3D, ref mesh3DBox, ref textureCoordinateBounds, out textureSpaceTransform2D); // // The textureSpaceTransform is bascially our new 2D device transform. stack2D.Push(ref textureSpaceTransform2D, false); if (material != null && material.RequiresRealization) { material.UpdateRealizations(rc, ref textureCoordinateBounds); } if (backMaterial != null && backMaterial.RequiresRealization) { backMaterial.UpdateRealizations(rc, ref textureCoordinateBounds); } stack2D.Pop(); if (transform != null) { stack3D.Pop(); } } } #endregion Internal Methods } } // 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
- TextPointerBase.cs
- SoapEnvelopeProcessingElement.cs
- Graphics.cs
- StringFormat.cs
- CustomAttributeBuilder.cs
- SmtpNegotiateAuthenticationModule.cs
- AgileSafeNativeMemoryHandle.cs
- DateTime.cs
- EntityDesignerBuildProvider.cs
- Matrix3D.cs
- ResourcePart.cs
- SecurityTokenProvider.cs
- KeyPullup.cs
- BitConverter.cs
- Token.cs
- SqlDataSourceDesigner.cs
- SearchForVirtualItemEventArgs.cs
- SamlAuthorizationDecisionStatement.cs
- TemplateParser.cs
- UpDownBase.cs
- BaseCodeDomTreeGenerator.cs
- FontStretches.cs
- WaveHeader.cs
- OperandQuery.cs
- Transform3D.cs
- ReleaseInstanceMode.cs
- QilPatternVisitor.cs
- WindowsFormsHostPropertyMap.cs
- TypeBuilder.cs
- TextProperties.cs
- CompositeControlDesigner.cs
- TrackingLocationCollection.cs
- RefreshEventArgs.cs
- SqlProvider.cs
- ValueType.cs
- GacUtil.cs
- Helper.cs
- MemoryFailPoint.cs
- XmlWriter.cs
- UseAttributeSetsAction.cs
- UncommonField.cs
- ViewValidator.cs
- TypeValidationEventArgs.cs
- Separator.cs
- DropDownButton.cs
- MiniParameterInfo.cs
- AttributeCollection.cs
- ToolBarButtonClickEvent.cs
- Section.cs
- ProcessHostConfigUtils.cs
- CollectionContainer.cs
- SecurityHelper.cs
- ValueUnavailableException.cs
- ScrollProperties.cs
- CheckBoxStandardAdapter.cs
- CodeTypeConstructor.cs
- MarkerProperties.cs
- securitymgrsite.cs
- DbParameterCollection.cs
- AnnouncementService.cs
- MethodRental.cs
- UriTemplate.cs
- ContextMenuService.cs
- KeyEventArgs.cs
- AddInController.cs
- UnsafeNativeMethods.cs
- FormViewInsertEventArgs.cs
- SiteMapNodeItem.cs
- _CacheStreams.cs
- ChtmlSelectionListAdapter.cs
- SharedConnectionInfo.cs
- DisplayMemberTemplateSelector.cs
- SecurityManager.cs
- ExtensionQuery.cs
- XmlSortKey.cs
- DataExpression.cs
- Literal.cs
- RepeatEnumerable.cs
- FlowNode.cs
- MobileControlsSectionHelper.cs
- SourceSwitch.cs
- DynamicDiscoveryDocument.cs
- CodeGotoStatement.cs
- NestedContainer.cs
- FlowDocumentReader.cs
- PreservationFileReader.cs
- StopStoryboard.cs
- ResourceDescriptionAttribute.cs
- SystemMulticastIPAddressInformation.cs
- CheckBox.cs
- Atom10FormatterFactory.cs
- DataSvcMapFile.cs
- InputBindingCollection.cs
- URL.cs
- HtmlAnchor.cs
- StorageInfo.cs
- XmlElement.cs
- WindowsHyperlink.cs
- WebPermission.cs
- PageCatalogPart.cs