Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / Controls / InkCanvasFeedbackAdorner.cs / 1305600 / InkCanvasFeedbackAdorner.cs
//---------------------------------------------------------------------------- // // File: InkCanvasFeedbackAdorner.cs // // Description: // A class which is used as the feedback adorner of the InkCanvas selection // // Features: // // History: // 1/27/2005 waynezen: Created // // Copyright (C) 2001 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using MS.Internal; using System; using System.Diagnostics; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Media; namespace MS.Internal.Controls { ////// InkCanvasFeedbackAdorner /// internal class InkCanvasFeedbackAdorner : Adorner { // No default constructor private InkCanvasFeedbackAdorner() : base (null) { } ////// InkCanvasFeedbackAdorner Constructor /// /// The adorned InkCanvas internal InkCanvasFeedbackAdorner(InkCanvas inkCanvas) : base(( inkCanvas != null ? inkCanvas.InnerCanvas : null )) { if ( inkCanvas == null ) throw new ArgumentNullException("inkCanvas"); // Initialize the internal data _inkCanvas = inkCanvas; _adornerBorderPen = new Pen(Brushes.Black, 1.0); DoubleCollection dashes = new DoubleCollection( ); dashes.Add(4.5); dashes.Add(4.5); _adornerBorderPen.DashStyle = new DashStyle(dashes, 2.25); _adornerBorderPen.DashCap = PenLineCap.Flat; } ////// The overridden GetDesiredTransform method /// public override GeneralTransform GetDesiredTransform(GeneralTransform transform) { if ( transform == null ) { throw new ArgumentNullException("transform"); } VerifyAccess(); GeneralTransformGroup desiredTransform = new GeneralTransformGroup(); desiredTransform.Children.Add(transform); // Check if we need translate the adorner. if ( !DoubleUtil.AreClose(_offsetX, 0) || !DoubleUtil.AreClose(_offsetY, 0) ) { desiredTransform.Children.Add(new TranslateTransform(_offsetX, _offsetY)); } return desiredTransform; } ////// The OnBoundsUpdated method /// /// private void OnBoundsUpdated(Rect rect) { VerifyAccess(); // Check if the rectangle has been changed. if ( rect != _previousRect ) { Size newSize; double offsetX; double offsetY; bool invalidArrange = false; if ( !rect.IsEmpty ) { double offset = BorderMargin + CornerResizeHandleSize / 2; Rect adornerRect = Rect.Inflate(rect, offset, offset); newSize = new Size(adornerRect.Width, adornerRect.Height); offsetX = adornerRect.Left; offsetY = adornerRect.Top; } else { newSize = new Size(0, 0); offsetX = 0; offsetY = 0; } // Check if the size has been changed if ( _frameSize != newSize ) { _frameSize = newSize; invalidArrange = true; } if ( !DoubleUtil.AreClose(_offsetX, offsetX) || !DoubleUtil.AreClose(_offsetY, offsetY) ) { _offsetX = offsetX; _offsetY = offsetY; invalidArrange = true; } if ( invalidArrange ) { InvalidateMeasure(); InvalidateVisual(); //ensure re-rendering UIElement parent = ((UIElement)VisualTreeHelper.GetParent(this)) as UIElement; if ( parent != null ) { ( (UIElement)VisualTreeHelper.GetParent(this) ).InvalidateArrange( ); } } _previousRect = rect; } } ////// The overridden MeasureOverride method /// /// protected override Size MeasureOverride(Size constraint) { VerifyAccess(); // return the frame size. return _frameSize; } ////// The overridden OnRender method /// /// protected override void OnRender(DrawingContext drawingContext) { // No need to invoke VerifyAccess since this method calls DrawingContext.DrawRectangle. Debug.Assert(_frameSize != new Size(0, 0)); // Draw the wire frame. drawingContext.DrawRectangle(null, _adornerBorderPen, new Rect(CornerResizeHandleSize / 2, CornerResizeHandleSize / 2, _frameSize.Width - CornerResizeHandleSize, _frameSize.Height - CornerResizeHandleSize)); } ////// The method is called by InkCanvasSelection.UpdateFeedbackRect /// /// internal void UpdateBounds(Rect rect) { // Invoke OnBoundsUpdated. OnBoundsUpdated(rect); } private InkCanvas _inkCanvas; private Size _frameSize = new Size(0, 0); private Rect _previousRect = Rect.Empty; private double _offsetX = 0; private double _offsetY = 0; private Pen _adornerBorderPen; private const int CornerResizeHandleSize = 8; private const double BorderMargin = 8f; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // File: InkCanvasFeedbackAdorner.cs // // Description: // A class which is used as the feedback adorner of the InkCanvas selection // // Features: // // History: // 1/27/2005 waynezen: Created // // Copyright (C) 2001 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using MS.Internal; using System; using System.Diagnostics; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Media; namespace MS.Internal.Controls { ////// InkCanvasFeedbackAdorner /// internal class InkCanvasFeedbackAdorner : Adorner { // No default constructor private InkCanvasFeedbackAdorner() : base (null) { } ////// InkCanvasFeedbackAdorner Constructor /// /// The adorned InkCanvas internal InkCanvasFeedbackAdorner(InkCanvas inkCanvas) : base(( inkCanvas != null ? inkCanvas.InnerCanvas : null )) { if ( inkCanvas == null ) throw new ArgumentNullException("inkCanvas"); // Initialize the internal data _inkCanvas = inkCanvas; _adornerBorderPen = new Pen(Brushes.Black, 1.0); DoubleCollection dashes = new DoubleCollection( ); dashes.Add(4.5); dashes.Add(4.5); _adornerBorderPen.DashStyle = new DashStyle(dashes, 2.25); _adornerBorderPen.DashCap = PenLineCap.Flat; } ////// The overridden GetDesiredTransform method /// public override GeneralTransform GetDesiredTransform(GeneralTransform transform) { if ( transform == null ) { throw new ArgumentNullException("transform"); } VerifyAccess(); GeneralTransformGroup desiredTransform = new GeneralTransformGroup(); desiredTransform.Children.Add(transform); // Check if we need translate the adorner. if ( !DoubleUtil.AreClose(_offsetX, 0) || !DoubleUtil.AreClose(_offsetY, 0) ) { desiredTransform.Children.Add(new TranslateTransform(_offsetX, _offsetY)); } return desiredTransform; } ////// The OnBoundsUpdated method /// /// private void OnBoundsUpdated(Rect rect) { VerifyAccess(); // Check if the rectangle has been changed. if ( rect != _previousRect ) { Size newSize; double offsetX; double offsetY; bool invalidArrange = false; if ( !rect.IsEmpty ) { double offset = BorderMargin + CornerResizeHandleSize / 2; Rect adornerRect = Rect.Inflate(rect, offset, offset); newSize = new Size(adornerRect.Width, adornerRect.Height); offsetX = adornerRect.Left; offsetY = adornerRect.Top; } else { newSize = new Size(0, 0); offsetX = 0; offsetY = 0; } // Check if the size has been changed if ( _frameSize != newSize ) { _frameSize = newSize; invalidArrange = true; } if ( !DoubleUtil.AreClose(_offsetX, offsetX) || !DoubleUtil.AreClose(_offsetY, offsetY) ) { _offsetX = offsetX; _offsetY = offsetY; invalidArrange = true; } if ( invalidArrange ) { InvalidateMeasure(); InvalidateVisual(); //ensure re-rendering UIElement parent = ((UIElement)VisualTreeHelper.GetParent(this)) as UIElement; if ( parent != null ) { ( (UIElement)VisualTreeHelper.GetParent(this) ).InvalidateArrange( ); } } _previousRect = rect; } } ////// The overridden MeasureOverride method /// /// protected override Size MeasureOverride(Size constraint) { VerifyAccess(); // return the frame size. return _frameSize; } ////// The overridden OnRender method /// /// protected override void OnRender(DrawingContext drawingContext) { // No need to invoke VerifyAccess since this method calls DrawingContext.DrawRectangle. Debug.Assert(_frameSize != new Size(0, 0)); // Draw the wire frame. drawingContext.DrawRectangle(null, _adornerBorderPen, new Rect(CornerResizeHandleSize / 2, CornerResizeHandleSize / 2, _frameSize.Width - CornerResizeHandleSize, _frameSize.Height - CornerResizeHandleSize)); } ////// The method is called by InkCanvasSelection.UpdateFeedbackRect /// /// internal void UpdateBounds(Rect rect) { // Invoke OnBoundsUpdated. OnBoundsUpdated(rect); } private InkCanvas _inkCanvas; private Size _frameSize = new Size(0, 0); private Rect _previousRect = Rect.Empty; private double _offsetX = 0; private double _offsetY = 0; private Pen _adornerBorderPen; private const int CornerResizeHandleSize = 8; private const double BorderMargin = 8f; } } // 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
- NodeLabelEditEvent.cs
- ArrayTypeMismatchException.cs
- IndicCharClassifier.cs
- DiscoveryDocumentReference.cs
- HttpModulesSection.cs
- InvokeHandlers.cs
- ByteAnimationUsingKeyFrames.cs
- UrlPropertyAttribute.cs
- ReservationNotFoundException.cs
- sortedlist.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- TreeWalkHelper.cs
- XmlSchemaObjectCollection.cs
- IntegerValidatorAttribute.cs
- Package.cs
- XPathDocument.cs
- DocumentOutline.cs
- Pen.cs
- DirectionalLight.cs
- SecUtil.cs
- SafeTimerHandle.cs
- CheckedPointers.cs
- HttpRequestCacheValidator.cs
- Vector3DKeyFrameCollection.cs
- NamedPermissionSet.cs
- RealizationContext.cs
- Scheduler.cs
- ToolboxItemSnapLineBehavior.cs
- DecimalAnimation.cs
- RegistryPermission.cs
- ToolTipService.cs
- Emitter.cs
- Underline.cs
- Menu.cs
- EmissiveMaterial.cs
- HttpAsyncResult.cs
- QueryInterceptorAttribute.cs
- NodeLabelEditEvent.cs
- WebPartConnectVerb.cs
- DelegatingConfigHost.cs
- Delay.cs
- WrapperEqualityComparer.cs
- UnsafeNativeMethods.cs
- StrokeNodeOperations2.cs
- EdmSchemaAttribute.cs
- SelectionPattern.cs
- GradientBrush.cs
- SafeRightsManagementPubHandle.cs
- MenuStrip.cs
- FixedBufferAttribute.cs
- mediaclock.cs
- SeekStoryboard.cs
- UnaryNode.cs
- RecognitionResult.cs
- MetadataItem_Static.cs
- ObjectToken.cs
- OpacityConverter.cs
- AsyncResult.cs
- SoapAttributeOverrides.cs
- NativeMethods.cs
- FileChangesMonitor.cs
- DriveNotFoundException.cs
- RepeatButton.cs
- AssociationTypeEmitter.cs
- LoadedEvent.cs
- SoapMessage.cs
- FrameSecurityDescriptor.cs
- ControlAdapter.cs
- IPCCacheManager.cs
- DataSourceHelper.cs
- StorageEndPropertyMapping.cs
- StreamUpdate.cs
- CodeMemberField.cs
- Itemizer.cs
- ThreadExceptionEvent.cs
- Roles.cs
- TypeBrowserDialog.cs
- FileCodeGroup.cs
- TileModeValidation.cs
- HostedTransportConfigurationManager.cs
- Border.cs
- SQLUtility.cs
- DataSourceHelper.cs
- ObjectListSelectEventArgs.cs
- DataRelationPropertyDescriptor.cs
- ByteStream.cs
- SimpleHandlerFactory.cs
- DataSourceView.cs
- CustomAssemblyResolver.cs
- QilName.cs
- XmlSchemaSimpleContent.cs
- PointF.cs
- FlowDocumentPageViewerAutomationPeer.cs
- EntityDataSourceValidationException.cs
- WebBrowser.cs
- EnumValAlphaComparer.cs
- CallbackHandler.cs
- ParserStack.cs
- DiscoveryClientProtocol.cs
- SqlMethodTransformer.cs