Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CommonUI / System / Drawing / Advanced / CustomLineCap.cs / 1 / CustomLineCap.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /*************************************************************************\ * * Copyright (c) 1998-2000, Microsoft Corp. All Rights Reserved. * * Module Name: * * CustomLineCap.cs * * Abstract: * * Native GDI+ CustomLineCap structure. * * Revision History: * * 3/14/2k [....] * Created it. * \**************************************************************************/ namespace System.Drawing.Drawing2D { using Microsoft.Win32; using System; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Drawing.Internal; using System.Runtime.InteropServices; using System.Globalization; ////// /// Encapsulates a custom user-defined line /// cap. /// public class CustomLineCap : MarshalByRefObject, ICloneable, IDisposable { #if FINALIZATION_WATCH private string allocationSite = Graphics.GetAllocationStack(); #endif /* * Handle to native line cap object */ internal IntPtr nativeCap; // For subclass creation internal CustomLineCap() {} ////// /// public CustomLineCap(GraphicsPath fillPath, GraphicsPath strokePath) : this(fillPath, strokePath, LineCap.Flat) {} ////// Initializes a new instance of the ///class with the specified outline /// and fill. /// /// /// public CustomLineCap(GraphicsPath fillPath, GraphicsPath strokePath, LineCap baseCap) : this(fillPath, strokePath, baseCap, 0) {} ////// Initializes a new instance of the ///class from the /// specified existing with the specified outline and /// fill. /// /// /// public CustomLineCap(GraphicsPath fillPath, GraphicsPath strokePath, LineCap baseCap, float baseInset) { IntPtr nativeCap = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCreateCustomLineCap( new HandleRef(fillPath, (fillPath == null) ? IntPtr.Zero : fillPath.nativePath), new HandleRef(strokePath, (strokePath == null) ? IntPtr.Zero : strokePath.nativePath), baseCap, baseInset, out nativeCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); SetNativeLineCap(nativeCap); } internal CustomLineCap(IntPtr nativeLineCap) { SetNativeLineCap(nativeLineCap); } internal void SetNativeLineCap(IntPtr handle) { if (handle == IntPtr.Zero) throw new ArgumentNullException("handle"); nativeCap = handle; } ////// Initializes a new instance of the ///class from the /// specified existing with the specified outline, fill, and /// inset. /// /// /// Cleans up Windows resources for this /// public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } ///. /// protected virtual void Dispose(bool disposing) { #if FINALIZATION_WATCH if (!disposing && nativeCap != IntPtr.Zero) Debug.WriteLine("**********************\nDisposed through finalization:\n" + allocationSite); #endif if (nativeCap != IntPtr.Zero) { try{ #if DEBUG int status = #endif SafeNativeMethods.Gdip.GdipDeleteCustomLineCap(new HandleRef(this, nativeCap)); #if DEBUG Debug.Assert(status == SafeNativeMethods.Gdip.Ok, "GDI+ returned an error status: " + status.ToString(CultureInfo.InvariantCulture)); #endif } catch( Exception ex ){ if( ClientUtils.IsSecurityOrCriticalException( ex ) ) { throw; } Debug.Fail( "Exception thrown during Dispose: " + ex.ToString() ); } finally{ nativeCap = IntPtr.Zero; } } } /// /// /// Cleans up Windows resources for this /// ~CustomLineCap() { Dispose(false); } ///. /// /// /// Creates an exact copy of this public object Clone() { IntPtr cloneCap = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCloneCustomLineCap(new HandleRef(this, nativeCap), out cloneCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return CustomLineCap.CreateCustomLineCapObject(cloneCap); } internal static CustomLineCap CreateCustomLineCapObject(IntPtr cap) { CustomLineCapType capType = 0; int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapType(new HandleRef(null, cap), out capType); if (status != SafeNativeMethods.Gdip.Ok) { SafeNativeMethods.Gdip.GdipDeleteCustomLineCap(new HandleRef(null, cap)); throw SafeNativeMethods.Gdip.StatusException(status); } switch (capType) { case CustomLineCapType.Default: return new CustomLineCap(cap); case CustomLineCapType.AdjustableArrowCap: return new AdjustableArrowCap(cap); } SafeNativeMethods.Gdip.GdipDeleteCustomLineCap(new HandleRef(null, cap)); throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.NotImplemented); } ///. /// /// /// Sets the caps used to start and end lines. /// public void SetStrokeCaps(LineCap startCap, LineCap endCap) { int status = SafeNativeMethods.Gdip.GdipSetCustomLineCapStrokeCaps(new HandleRef(this, nativeCap), startCap, endCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } ////// /// Gets the caps used to start and end lines. /// public void GetStrokeCaps(out LineCap startCap, out LineCap endCap) { int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapStrokeCaps(new HandleRef(this, nativeCap), out startCap, out endCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } private void _SetStrokeJoin(LineJoin lineJoin) { int status = SafeNativeMethods.Gdip.GdipSetCustomLineCapStrokeJoin(new HandleRef(this, nativeCap), lineJoin); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } private LineJoin _GetStrokeJoin() { LineJoin lineJoin; int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapStrokeJoin(new HandleRef(this, nativeCap), out lineJoin); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return lineJoin; } ////// /// Gets or sets the public LineJoin StrokeJoin { get { return _GetStrokeJoin(); } set { _SetStrokeJoin(value); } } private void _SetBaseCap(LineCap baseCap) { int status = SafeNativeMethods.Gdip.GdipSetCustomLineCapBaseCap(new HandleRef(this, nativeCap), baseCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } private LineCap _GetBaseCap() { LineCap baseCap; int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapBaseCap(new HandleRef(this, nativeCap), out baseCap); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return baseCap; } ///used by this custom cap. /// /// /// Gets or sets the public LineCap BaseCap { get { return _GetBaseCap(); } set { _SetBaseCap(value); } } private void _SetBaseInset(float inset) { int status = SafeNativeMethods.Gdip.GdipSetCustomLineCapBaseInset(new HandleRef(this, nativeCap), inset); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } private float _GetBaseInset() { float inset; int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapBaseInset(new HandleRef(this, nativeCap), out inset); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return inset; } ///on which this is based. /// /// /// Gets or sets the distance between the cap /// and the line. /// public float BaseInset { get { return _GetBaseInset(); } set { _SetBaseInset(value); } } private void _SetWidthScale(float widthScale) { int status = SafeNativeMethods.Gdip.GdipSetCustomLineCapWidthScale(new HandleRef(this, nativeCap), widthScale); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } private float _GetWidthScale() { float widthScale; int status = SafeNativeMethods.Gdip.GdipGetCustomLineCapWidthScale(new HandleRef(this, nativeCap), out widthScale); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return widthScale; } ////// /// Gets or sets the amount by which to scale /// the width of the cap. /// public float WidthScale { get { return _GetWidthScale(); } set { _SetWidthScale(value); } } } } // 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
- CodeMemberField.cs
- SystemNetworkInterface.cs
- FormViewDeleteEventArgs.cs
- XPathNavigatorReader.cs
- SimpleHandlerBuildProvider.cs
- DataGridViewCheckBoxCell.cs
- Helper.cs
- TransactionScope.cs
- XmlWriterSettings.cs
- ControlPaint.cs
- FeatureManager.cs
- DesignerActionUIService.cs
- TreeViewHitTestInfo.cs
- ConfigXmlAttribute.cs
- TypedElement.cs
- InstanceData.cs
- MonthChangedEventArgs.cs
- MemberAccessException.cs
- ToolZoneDesigner.cs
- _NegoStream.cs
- ProfileSettingsCollection.cs
- RijndaelManagedTransform.cs
- WebPartVerbsEventArgs.cs
- TimeStampChecker.cs
- PropertyBuilder.cs
- FileDialog_Vista_Interop.cs
- DotAtomReader.cs
- WebPartMenuStyle.cs
- ObjectSelectorEditor.cs
- UniqueEventHelper.cs
- ConnectionInterfaceCollection.cs
- StrongNamePublicKeyBlob.cs
- WebPartConnectionsDisconnectVerb.cs
- GreenMethods.cs
- StorageFunctionMapping.cs
- InternalBufferOverflowException.cs
- BamlTreeNode.cs
- TypeSystemProvider.cs
- DragCompletedEventArgs.cs
- ProxyElement.cs
- ColorTranslator.cs
- CompiledQuery.cs
- safelink.cs
- ApplicationProxyInternal.cs
- assemblycache.cs
- TreeNodeMouseHoverEvent.cs
- FontDifferentiator.cs
- sqlinternaltransaction.cs
- FixedPageAutomationPeer.cs
- MethodCallConverter.cs
- XmlAnyElementAttribute.cs
- PriorityQueue.cs
- LocalizabilityAttribute.cs
- OptimalBreakSession.cs
- SizeF.cs
- XamlBrushSerializer.cs
- DocumentViewerBase.cs
- MdiWindowListStrip.cs
- StructuredType.cs
- PeerEndPoint.cs
- TextServicesHost.cs
- WindowsStatusBar.cs
- SqlInternalConnection.cs
- CachingHintValidation.cs
- RulePatternOps.cs
- EntityDataSourceUtil.cs
- DataProtection.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- CompareValidator.cs
- ProjectionPathBuilder.cs
- FaultHandlingFilter.cs
- ConfigUtil.cs
- documentsequencetextpointer.cs
- Highlights.cs
- TimeZone.cs
- serverconfig.cs
- MembershipSection.cs
- SelectedDatesCollection.cs
- DropDownButton.cs
- VoiceObjectToken.cs
- AppDomainFactory.cs
- OperationValidationEventArgs.cs
- OSFeature.cs
- TreeBuilderBamlTranslator.cs
- DependencySource.cs
- RoutedEventConverter.cs
- FrameworkElement.cs
- TabletDeviceInfo.cs
- XmlSerializableServices.cs
- Method.cs
- LayoutEditorPart.cs
- ArgumentException.cs
- SynchronizedInputPattern.cs
- GZipDecoder.cs
- MaskedTextBox.cs
- DataGridRowClipboardEventArgs.cs
- UriPrefixTable.cs
- ScrollItemPattern.cs
- TraceRecord.cs
- CodeNamespaceImport.cs