Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / MS / Internal / Controls / InkCanvasFeedbackAdorner.cs / 1 / 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
- DBAsyncResult.cs
- TableItemPattern.cs
- KeySpline.cs
- EventLogTraceListener.cs
- ClientRuntimeConfig.cs
- MethodExpression.cs
- SerializationSectionGroup.cs
- RSATokenProvider.cs
- TypeBrowserDialog.cs
- WebConfigurationHost.cs
- CompositeDesignerAccessibleObject.cs
- ApplicationSecurityInfo.cs
- XmlSchemaAttributeGroup.cs
- OutKeywords.cs
- XsltException.cs
- ObjectAnimationUsingKeyFrames.cs
- Types.cs
- RoleManagerSection.cs
- SapiRecoInterop.cs
- TaiwanCalendar.cs
- OptionalColumn.cs
- GeometryHitTestParameters.cs
- ReturnType.cs
- ClientConvert.cs
- UndoUnit.cs
- SecurityIdentifierElementCollection.cs
- SystemUnicastIPAddressInformation.cs
- WebPartUtil.cs
- ReliableSession.cs
- XmlSchemaSubstitutionGroup.cs
- BuildManager.cs
- Tuple.cs
- SQLBoolean.cs
- ColorPalette.cs
- TextLine.cs
- CodeSnippetTypeMember.cs
- CodeDOMProvider.cs
- MimeWriter.cs
- EntitySetBaseCollection.cs
- TypeDescriptionProvider.cs
- StructuralCache.cs
- QilName.cs
- _UncName.cs
- XamlPoint3DCollectionSerializer.cs
- ToolStripProgressBar.cs
- AsyncStreamReader.cs
- XmlQueryStaticData.cs
- HostingEnvironmentSection.cs
- SystemGatewayIPAddressInformation.cs
- HMACSHA256.cs
- StaticTextPointer.cs
- ToolStripLocationCancelEventArgs.cs
- InteropBitmapSource.cs
- CheckBoxList.cs
- HideDisabledControlAdapter.cs
- TransformGroup.cs
- LinqDataSourceHelper.cs
- NotifyInputEventArgs.cs
- ReadOnlyDataSource.cs
- TreeViewCancelEvent.cs
- TransactionProtocol.cs
- SimpleType.cs
- Root.cs
- WebAdminConfigurationHelper.cs
- DefaultSection.cs
- SqlEnums.cs
- CacheOutputQuery.cs
- TextUtf8RawTextWriter.cs
- UserPreferenceChangingEventArgs.cs
- Exception.cs
- GridViewColumnCollectionChangedEventArgs.cs
- JournalEntry.cs
- SqlDependencyListener.cs
- documentsequencetextcontainer.cs
- WebPartManager.cs
- FixedSOMPageConstructor.cs
- MemoryFailPoint.cs
- TemplateBindingExtension.cs
- RenderCapability.cs
- connectionpool.cs
- BackgroundWorker.cs
- ListBindingHelper.cs
- InvokePattern.cs
- BitmapSizeOptions.cs
- ManualResetEvent.cs
- XmlSchemaAttribute.cs
- Cursor.cs
- ChineseLunisolarCalendar.cs
- TextBoxView.cs
- KeyNotFoundException.cs
- InvalidPrinterException.cs
- TemplateModeChangedEventArgs.cs
- ArglessEventHandlerProxy.cs
- XmlNamespaceMapping.cs
- ValidationError.cs
- OleDbConnection.cs
- Subset.cs
- CharacterMetricsDictionary.cs
- SplitterCancelEvent.cs
- StringReader.cs