Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / CommonUI / System / Drawing / Advanced / GraphicsPathIterator.cs / 2 / GraphicsPathIterator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Drawing.Drawing2D { using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Drawing; using System.ComponentModel; using System.Drawing.Internal; using System.Globalization; /** * Represent a Path Iterator object */ ////// /// public sealed class GraphicsPathIterator : MarshalByRefObject, IDisposable { /** * Create a new path iterator object */ ////// Provides helper functions for the ///class. /// /// /// Initializes a new instance of the public GraphicsPathIterator(GraphicsPath path) { IntPtr nativeIter = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCreatePathIter(out nativeIter, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); this.nativeIter = nativeIter; } /** * Dispose of resources associated with the */ ///class with the specified . /// /// /// Cleans up Windows resources for this /// public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } void Dispose(bool disposing) { if (nativeIter != IntPtr.Zero) { try{ #if DEBUG int status = #endif SafeNativeMethods.Gdip.GdipDeletePathIter(new HandleRef(this, nativeIter)); #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{ nativeIter = IntPtr.Zero; } } } ///. /// /// /// Cleans up Windows resources for this /// ~GraphicsPathIterator() { Dispose(false); } /** * Next subpath in path */ ///. /// /// /// Returns the number of subpaths in the /// public int NextSubpath(out int startIndex, out int endIndex, out bool isClosed) { int resultCount = 0; int tempStart = 0; int tempEnd = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextSubpath(new HandleRef(this, nativeIter), out resultCount, out tempStart, out tempEnd, out isClosed); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); else { startIndex = tempStart; endIndex = tempEnd; } return resultCount; } /** * Next subpath in path */ ///. The start index and end index of the /// next subpath are contained in out parameters. /// /// /// public int NextSubpath(GraphicsPath path, out bool isClosed) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextSubpathPath(new HandleRef(this, nativeIter), out resultCount, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath), out isClosed); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next type in subpath */ ///[To be supplied.] ////// /// public int NextPathType(out byte pathType, out int startIndex, out int endIndex) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextPathType(new HandleRef(this, nativeIter), out resultCount, out pathType, out startIndex, out endIndex); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next marker in subpath */ ///[To be supplied.] ////// /// public int NextMarker(out int startIndex, out int endIndex) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextMarker(new HandleRef(this, nativeIter), out resultCount, out startIndex, out endIndex); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next marker in subpath */ ///[To be supplied.] ////// /// public int NextMarker(GraphicsPath path) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextMarkerPath(new HandleRef(this, nativeIter), out resultCount, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } ///[To be supplied.] ////// /// public int Count { get { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterGetCount(new HandleRef(this, nativeIter), out resultCount); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } } ///[To be supplied.] ////// /// public int SubpathCount { get { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterGetSubpathCount(new HandleRef(this, nativeIter), out resultCount); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } } ///[To be supplied.] ////// /// public bool HasCurve() { bool hasCurve = false; int status = SafeNativeMethods.Gdip.GdipPathIterHasCurve(new HandleRef(this, nativeIter), out hasCurve); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return hasCurve; } ///[To be supplied.] ////// /// public void Rewind() { int status = SafeNativeMethods.Gdip.GdipPathIterRewind(new HandleRef(this, nativeIter)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } ///[To be supplied.] ////// /// public int Enumerate(ref PointF[] points, ref byte[] types) { if (points.Length != types.Length) throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter); int resultCount = 0; GPPOINTF pt = new GPPOINTF(); int size = (int) Marshal.SizeOf(pt.GetType()); int count = points.Length; IntPtr memoryPts = Marshal.AllocHGlobal(count*size); try { int status = SafeNativeMethods.Gdip.GdipPathIterEnumerate(new HandleRef(this, nativeIter), out resultCount, memoryPts, types, points.Length); if (status != SafeNativeMethods.Gdip.Ok) { throw SafeNativeMethods.Gdip.StatusException(status); } points = SafeNativeMethods.Gdip.ConvertGPPOINTFArrayF(memoryPts, points.Length); } finally { Marshal.FreeHGlobal(memoryPts); } return resultCount; } ///[To be supplied.] ////// /// [SuppressMessage("Microsoft.Design", "CA1045:DoNotPassTypesByReference")] public int CopyData(ref PointF[] points, ref byte[] types, int startIndex, int endIndex) { if (points.Length != types.Length) throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter); int resultCount = 0; GPPOINTF pt = new GPPOINTF(); int size = (int)Marshal.SizeOf(pt.GetType()); int count = points.Length; IntPtr memoryPts = Marshal.AllocHGlobal(count*size); try { int status = SafeNativeMethods.Gdip.GdipPathIterCopyData(new HandleRef(this, nativeIter), out resultCount, memoryPts, types, startIndex, endIndex); if (status != SafeNativeMethods.Gdip.Ok) { throw SafeNativeMethods.Gdip.StatusException(status); } points = SafeNativeMethods.Gdip.ConvertGPPOINTFArrayF(memoryPts, points.Length); } finally { Marshal.FreeHGlobal(memoryPts); } return resultCount; } /* * handle to native path iterator object */ internal IntPtr nativeIter; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //[To be supplied.] ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Drawing.Drawing2D { using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Drawing; using System.ComponentModel; using System.Drawing.Internal; using System.Globalization; /** * Represent a Path Iterator object */ ////// /// public sealed class GraphicsPathIterator : MarshalByRefObject, IDisposable { /** * Create a new path iterator object */ ////// Provides helper functions for the ///class. /// /// /// Initializes a new instance of the public GraphicsPathIterator(GraphicsPath path) { IntPtr nativeIter = IntPtr.Zero; int status = SafeNativeMethods.Gdip.GdipCreatePathIter(out nativeIter, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); this.nativeIter = nativeIter; } /** * Dispose of resources associated with the */ ///class with the specified . /// /// /// Cleans up Windows resources for this /// public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } void Dispose(bool disposing) { if (nativeIter != IntPtr.Zero) { try{ #if DEBUG int status = #endif SafeNativeMethods.Gdip.GdipDeletePathIter(new HandleRef(this, nativeIter)); #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{ nativeIter = IntPtr.Zero; } } } ///. /// /// /// Cleans up Windows resources for this /// ~GraphicsPathIterator() { Dispose(false); } /** * Next subpath in path */ ///. /// /// /// Returns the number of subpaths in the /// public int NextSubpath(out int startIndex, out int endIndex, out bool isClosed) { int resultCount = 0; int tempStart = 0; int tempEnd = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextSubpath(new HandleRef(this, nativeIter), out resultCount, out tempStart, out tempEnd, out isClosed); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); else { startIndex = tempStart; endIndex = tempEnd; } return resultCount; } /** * Next subpath in path */ ///. The start index and end index of the /// next subpath are contained in out parameters. /// /// /// public int NextSubpath(GraphicsPath path, out bool isClosed) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextSubpathPath(new HandleRef(this, nativeIter), out resultCount, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath), out isClosed); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next type in subpath */ ///[To be supplied.] ////// /// public int NextPathType(out byte pathType, out int startIndex, out int endIndex) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextPathType(new HandleRef(this, nativeIter), out resultCount, out pathType, out startIndex, out endIndex); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next marker in subpath */ ///[To be supplied.] ////// /// public int NextMarker(out int startIndex, out int endIndex) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextMarker(new HandleRef(this, nativeIter), out resultCount, out startIndex, out endIndex); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } /** * Next marker in subpath */ ///[To be supplied.] ////// /// public int NextMarker(GraphicsPath path) { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterNextMarkerPath(new HandleRef(this, nativeIter), out resultCount, new HandleRef(path, (path == null) ? IntPtr.Zero : path.nativePath)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } ///[To be supplied.] ////// /// public int Count { get { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterGetCount(new HandleRef(this, nativeIter), out resultCount); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } } ///[To be supplied.] ////// /// public int SubpathCount { get { int resultCount = 0; int status = SafeNativeMethods.Gdip.GdipPathIterGetSubpathCount(new HandleRef(this, nativeIter), out resultCount); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return resultCount; } } ///[To be supplied.] ////// /// public bool HasCurve() { bool hasCurve = false; int status = SafeNativeMethods.Gdip.GdipPathIterHasCurve(new HandleRef(this, nativeIter), out hasCurve); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); return hasCurve; } ///[To be supplied.] ////// /// public void Rewind() { int status = SafeNativeMethods.Gdip.GdipPathIterRewind(new HandleRef(this, nativeIter)); if (status != SafeNativeMethods.Gdip.Ok) throw SafeNativeMethods.Gdip.StatusException(status); } ///[To be supplied.] ////// /// public int Enumerate(ref PointF[] points, ref byte[] types) { if (points.Length != types.Length) throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter); int resultCount = 0; GPPOINTF pt = new GPPOINTF(); int size = (int) Marshal.SizeOf(pt.GetType()); int count = points.Length; IntPtr memoryPts = Marshal.AllocHGlobal(count*size); try { int status = SafeNativeMethods.Gdip.GdipPathIterEnumerate(new HandleRef(this, nativeIter), out resultCount, memoryPts, types, points.Length); if (status != SafeNativeMethods.Gdip.Ok) { throw SafeNativeMethods.Gdip.StatusException(status); } points = SafeNativeMethods.Gdip.ConvertGPPOINTFArrayF(memoryPts, points.Length); } finally { Marshal.FreeHGlobal(memoryPts); } return resultCount; } ///[To be supplied.] ////// /// [SuppressMessage("Microsoft.Design", "CA1045:DoNotPassTypesByReference")] public int CopyData(ref PointF[] points, ref byte[] types, int startIndex, int endIndex) { if (points.Length != types.Length) throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter); int resultCount = 0; GPPOINTF pt = new GPPOINTF(); int size = (int)Marshal.SizeOf(pt.GetType()); int count = points.Length; IntPtr memoryPts = Marshal.AllocHGlobal(count*size); try { int status = SafeNativeMethods.Gdip.GdipPathIterCopyData(new HandleRef(this, nativeIter), out resultCount, memoryPts, types, startIndex, endIndex); if (status != SafeNativeMethods.Gdip.Ok) { throw SafeNativeMethods.Gdip.StatusException(status); } points = SafeNativeMethods.Gdip.ConvertGPPOINTFArrayF(memoryPts, points.Length); } finally { Marshal.FreeHGlobal(memoryPts); } return resultCount; } /* * handle to native path iterator object */ internal IntPtr nativeIter; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.[To be supplied.] ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Expressions.cs
- ComponentChangedEvent.cs
- CompilationLock.cs
- XmlBinaryWriter.cs
- CompositeControlDesigner.cs
- DefaultPropertyAttribute.cs
- ListViewSelectEventArgs.cs
- Transform.cs
- BufferedReadStream.cs
- WindowsMenu.cs
- TreeNodeCollectionEditor.cs
- Scene3D.cs
- ToolStripTextBox.cs
- ValidationPropertyAttribute.cs
- Model3DGroup.cs
- XdrBuilder.cs
- CheckBoxRenderer.cs
- DoubleStorage.cs
- CollectionType.cs
- ConnectionStringsExpressionBuilder.cs
- EventSinkHelperWriter.cs
- CalendarModeChangedEventArgs.cs
- SiteMapNode.cs
- ComboBoxAutomationPeer.cs
- EntityKey.cs
- PrintPageEvent.cs
- SecurityAlgorithmSuite.cs
- EntityStoreSchemaFilterEntry.cs
- WindowsFormsHost.cs
- XmlMessageFormatter.cs
- SQLBytesStorage.cs
- TraceListener.cs
- TargetFrameworkUtil.cs
- ConnectivityStatus.cs
- followingsibling.cs
- FileLogRecordHeader.cs
- AuthenticationService.cs
- COAUTHINFO.cs
- UnsafeNativeMethodsTablet.cs
- PerformanceCounter.cs
- oledbmetadatacolumnnames.cs
- CellParagraph.cs
- StrongNameKeyPair.cs
- Primitive.cs
- WindowsStatusBar.cs
- PagedControl.cs
- SqlXmlStorage.cs
- FaultReason.cs
- SqlServices.cs
- DataGridAutoGeneratingColumnEventArgs.cs
- TypeForwardedToAttribute.cs
- DesigntimeLicenseContextSerializer.cs
- UInt16Converter.cs
- RegexMatchCollection.cs
- BitStack.cs
- XPathParser.cs
- SpeechUI.cs
- PKCS1MaskGenerationMethod.cs
- Parameter.cs
- Buffer.cs
- AdornerLayer.cs
- LowerCaseStringConverter.cs
- ToolTip.cs
- FlowDocument.cs
- DiscoveryClientDocuments.cs
- DbMetaDataFactory.cs
- MethodBody.cs
- ClipboardProcessor.cs
- StringFreezingAttribute.cs
- PointIndependentAnimationStorage.cs
- PerformanceCounterPermissionEntry.cs
- DSASignatureFormatter.cs
- XPathChildIterator.cs
- DocumentApplicationJournalEntry.cs
- LineVisual.cs
- IsolatedStorage.cs
- VisualStyleRenderer.cs
- ConfigurationErrorsException.cs
- FileEnumerator.cs
- ApplicationSecurityManager.cs
- StickyNote.cs
- SecurityUtils.cs
- StaticResourceExtension.cs
- NGCSerializationManagerAsync.cs
- _DigestClient.cs
- AuditLogLocation.cs
- HideDisabledControlAdapter.cs
- CmsInterop.cs
- ChtmlPhoneCallAdapter.cs
- Single.cs
- BasicCellRelation.cs
- BamlLocalizableResource.cs
- MenuItemBindingCollection.cs
- HttpPostedFileWrapper.cs
- CacheVirtualItemsEvent.cs
- TableRow.cs
- CancelRequestedQuery.cs
- InvalidFilterCriteriaException.cs
- path.cs
- CatalogPartCollection.cs