Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media / TileBrush.cs / 1 / TileBrush.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // // File: TileBrush.cs // // Description: This file contains the implementation of TileBrush. // The TileBrush is an abstract class of Brushes which describes // a way to fill a region by tiling. The contents of the tiles // are described by classes derived from TileBrush. // // History: // 04/29/2003 : adsmith - Created it. // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using System.Security; using System.Windows; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using MS.Internal; using System.Runtime.InteropServices; namespace System.Windows.Media { ////// TileBrush /// The TileBrush is an abstract class of Brushes which describes /// a way to fill a region by tiling. The contents of the tiles /// are described by classes derived from TileBrush. /// public abstract partial class TileBrush : Brush { #region Constructors ////// Protected constructor for TileBrush. /// Sets all values to their defaults. /// To set property values, use the constructor which accepts paramters /// protected TileBrush() { } #endregion Constructors ////// Obtains the current bounds of the brush's content /// /// Output bounds of content protected abstract void GetContentBounds(out Rect contentBounds); ////// Obtains a matrix that maps the TileBrush's content to the coordinate /// space of the shape it is filling. /// /// /// Fill-bounds of the shape this brush is stroking/filling /// /// /// Output matrix that maps the TileBrush's content to the coordinate /// space of the shape it is filling /// ////// Critical as this code calls UnsafeNativeMethods.MilUtility_GetTileBrushMapping /// and MILUtilities.ConvertFromD3DMATRIX. /// Treat as safe because the first is simply a math utility function with no /// critical data exposure, and the second is passed pointers to type-correct data. /// [SecurityCritical,SecurityTreatAsSafe] internal void GetTileBrushMapping( Rect shapeFillBounds, out Matrix tileBrushMapping ) { Rect contentBounds = Rect.Empty; BrushMappingMode viewboxUnits = ViewboxUnits; bool brushIsEmpty = false; // Initialize out-param tileBrushMapping = Matrix.Identity; // Obtain content bounds for RelativeToBoundingBox ViewboxUnits // // If ViewboxUnits is RelativeToBoundingBox, then the tile-brush // transform is also dependent on the bounds of the content. if (viewboxUnits == BrushMappingMode.RelativeToBoundingBox) { GetContentBounds(out contentBounds); // If contentBounds is Rect.Empty then this brush renders nothing. // Set the empty flag & early-out. if (contentBounds == Rect.Empty) { brushIsEmpty = true; } } // // Pass the properties to MilUtility_GetTileBrushMapping to calculate // the mapping, unless the brush is already determined to be empty // if (!brushIsEmpty) { // // Obtain properties that must be set into local variables // Rect viewport = Viewport; Rect viewbox = Viewbox; Matrix transformValue; Matrix relativeTransformValue; Transform.GetTransformValue( Transform, out transformValue ); Transform.GetTransformValue( RelativeTransform, out relativeTransformValue ); unsafe { D3DMATRIX d3dTransform; D3DMATRIX d3dRelativeTransform; D3DMATRIX d3dContentToShape; int brushIsEmptyBOOL; // Call MilUtility_GetTileBrushMapping, converting Matrix's to // D3DMATRIX's when needed. MILUtilities.ConvertToD3DMATRIX(&transformValue, &d3dTransform); MILUtilities.ConvertToD3DMATRIX(&relativeTransformValue, &d3dRelativeTransform); MS.Win32.PresentationCore.UnsafeNativeMethods.MilCoreApi.MilUtility_GetTileBrushMapping( &d3dTransform, &d3dRelativeTransform, Stretch, AlignmentX, AlignmentY, ViewportUnits, viewboxUnits, &shapeFillBounds, &contentBounds, ref viewport, ref viewbox, out d3dContentToShape, out brushIsEmptyBOOL ); // Convert the brushIsEmpty flag from BOOL to a bool. brushIsEmpty = (brushIsEmptyBOOL != 0); // Set output matrix if the brush isn't empty. Otherwise, the // output of MilUtility_GetTileBrushMapping must be ignored. if (!brushIsEmpty) { Matrix contentToShape; MILUtilities.ConvertFromD3DMATRIX(&d3dContentToShape, &contentToShape); // Set the out-param to the computed tile brush mapping tileBrushMapping = contentToShape; } } } } } } // 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. // // File: TileBrush.cs // // Description: This file contains the implementation of TileBrush. // The TileBrush is an abstract class of Brushes which describes // a way to fill a region by tiling. The contents of the tiles // are described by classes derived from TileBrush. // // History: // 04/29/2003 : adsmith - Created it. // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using System.Security; using System.Windows; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using MS.Internal; using System.Runtime.InteropServices; namespace System.Windows.Media { ////// TileBrush /// The TileBrush is an abstract class of Brushes which describes /// a way to fill a region by tiling. The contents of the tiles /// are described by classes derived from TileBrush. /// public abstract partial class TileBrush : Brush { #region Constructors ////// Protected constructor for TileBrush. /// Sets all values to their defaults. /// To set property values, use the constructor which accepts paramters /// protected TileBrush() { } #endregion Constructors ////// Obtains the current bounds of the brush's content /// /// Output bounds of content protected abstract void GetContentBounds(out Rect contentBounds); ////// Obtains a matrix that maps the TileBrush's content to the coordinate /// space of the shape it is filling. /// /// /// Fill-bounds of the shape this brush is stroking/filling /// /// /// Output matrix that maps the TileBrush's content to the coordinate /// space of the shape it is filling /// ////// Critical as this code calls UnsafeNativeMethods.MilUtility_GetTileBrushMapping /// and MILUtilities.ConvertFromD3DMATRIX. /// Treat as safe because the first is simply a math utility function with no /// critical data exposure, and the second is passed pointers to type-correct data. /// [SecurityCritical,SecurityTreatAsSafe] internal void GetTileBrushMapping( Rect shapeFillBounds, out Matrix tileBrushMapping ) { Rect contentBounds = Rect.Empty; BrushMappingMode viewboxUnits = ViewboxUnits; bool brushIsEmpty = false; // Initialize out-param tileBrushMapping = Matrix.Identity; // Obtain content bounds for RelativeToBoundingBox ViewboxUnits // // If ViewboxUnits is RelativeToBoundingBox, then the tile-brush // transform is also dependent on the bounds of the content. if (viewboxUnits == BrushMappingMode.RelativeToBoundingBox) { GetContentBounds(out contentBounds); // If contentBounds is Rect.Empty then this brush renders nothing. // Set the empty flag & early-out. if (contentBounds == Rect.Empty) { brushIsEmpty = true; } } // // Pass the properties to MilUtility_GetTileBrushMapping to calculate // the mapping, unless the brush is already determined to be empty // if (!brushIsEmpty) { // // Obtain properties that must be set into local variables // Rect viewport = Viewport; Rect viewbox = Viewbox; Matrix transformValue; Matrix relativeTransformValue; Transform.GetTransformValue( Transform, out transformValue ); Transform.GetTransformValue( RelativeTransform, out relativeTransformValue ); unsafe { D3DMATRIX d3dTransform; D3DMATRIX d3dRelativeTransform; D3DMATRIX d3dContentToShape; int brushIsEmptyBOOL; // Call MilUtility_GetTileBrushMapping, converting Matrix's to // D3DMATRIX's when needed. MILUtilities.ConvertToD3DMATRIX(&transformValue, &d3dTransform); MILUtilities.ConvertToD3DMATRIX(&relativeTransformValue, &d3dRelativeTransform); MS.Win32.PresentationCore.UnsafeNativeMethods.MilCoreApi.MilUtility_GetTileBrushMapping( &d3dTransform, &d3dRelativeTransform, Stretch, AlignmentX, AlignmentY, ViewportUnits, viewboxUnits, &shapeFillBounds, &contentBounds, ref viewport, ref viewbox, out d3dContentToShape, out brushIsEmptyBOOL ); // Convert the brushIsEmpty flag from BOOL to a bool. brushIsEmpty = (brushIsEmptyBOOL != 0); // Set output matrix if the brush isn't empty. Otherwise, the // output of MilUtility_GetTileBrushMapping must be ignored. if (!brushIsEmpty) { Matrix contentToShape; MILUtilities.ConvertFromD3DMATRIX(&d3dContentToShape, &contentToShape); // Set the out-param to the computed tile brush mapping tileBrushMapping = contentToShape; } } } } } } // 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
- Bold.cs
- CompilationLock.cs
- ContractMapping.cs
- JsonEnumDataContract.cs
- Number.cs
- OLEDB_Enum.cs
- FunctionDefinition.cs
- TriggerCollection.cs
- ObjectHandle.cs
- UxThemeWrapper.cs
- DependencyPropertyHelper.cs
- PreviousTrackingServiceAttribute.cs
- serverconfig.cs
- FaultDescription.cs
- ActiveDocumentEvent.cs
- AudioDeviceOut.cs
- SecurityManager.cs
- DirectoryNotFoundException.cs
- DiscoveryMessageSequence.cs
- NotificationContext.cs
- FlowDocumentView.cs
- CngKeyBlobFormat.cs
- OracleDateTime.cs
- DictionarySectionHandler.cs
- DataSetUtil.cs
- TextEndOfParagraph.cs
- SplayTreeNode.cs
- WebPartConnectionCollection.cs
- rsa.cs
- StreamWithDictionary.cs
- DataServiceExpressionVisitor.cs
- CompressedStack.cs
- DateTimePickerDesigner.cs
- WinFormsSpinner.cs
- DataErrorValidationRule.cs
- RegexCompilationInfo.cs
- ArrangedElement.cs
- FilteredDataSetHelper.cs
- JsonReaderDelegator.cs
- TransformerInfoCollection.cs
- xmlfixedPageInfo.cs
- SoapFault.cs
- ValidationService.cs
- CroppedBitmap.cs
- FieldNameLookup.cs
- ArrayConverter.cs
- ValueProviderWrapper.cs
- EnvelopedPkcs7.cs
- Timer.cs
- ProxyHwnd.cs
- HitTestParameters3D.cs
- FilterElement.cs
- DbSetClause.cs
- PreviousTrackingServiceAttribute.cs
- SerializationHelper.cs
- ObjectListCommand.cs
- GatewayDefinition.cs
- DBSqlParserColumn.cs
- PerformanceCounterLib.cs
- RuleInfoComparer.cs
- followingsibling.cs
- NetworkInformationPermission.cs
- IntSecurity.cs
- DataGridViewLinkColumn.cs
- ToolTipService.cs
- LoginView.cs
- AppDomainFactory.cs
- ExceptionHandlers.cs
- DocumentPaginator.cs
- TableProvider.cs
- ExtractorMetadata.cs
- MediaSystem.cs
- Tuple.cs
- XmlDictionary.cs
- StringAnimationBase.cs
- COM2PictureConverter.cs
- CompModHelpers.cs
- SQLChars.cs
- GZipStream.cs
- IOException.cs
- EventToken.cs
- XmlRootAttribute.cs
- BinaryConverter.cs
- DrawingState.cs
- TextBoxBase.cs
- ChtmlTextWriter.cs
- DBCSCodePageEncoding.cs
- DesignerProperties.cs
- AnnotationService.cs
- MissingMemberException.cs
- EventSetterHandlerConverter.cs
- DbReferenceCollection.cs
- InstancePersistenceEvent.cs
- DispatcherHooks.cs
- SchemaMapping.cs
- ToolBarButtonClickEvent.cs
- AutomationEventArgs.cs
- login.cs
- DbCommandDefinition.cs
- OleDbStruct.cs