Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / MS / Internal / TextFormatting / ThousandthOfEmRealPoints.cs / 1305600 / ThousandthOfEmRealPoints.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: ThousandthOfEmRealPoints class // // History: // 1/13/2005: Garyyang Created the file // //--------------------------------------------------------------------------- using System; using System.Diagnostics; using System.Collections.Generic; using System.Windows; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace MS.Internal.TextFormatting { ////// This is a fixed-size implementation of IList<Point>. It is aimed to reduce the double values storage /// while providing enough precision for glyph run operations. Current usage pattern suggests that there is no /// need to support resizing functionality (i.e. Add(), Insert(), Remove(), RemoveAt()). /// /// For each point being stored, it will store the X and Y coordinates of the point into two seperate ThousandthOfEmRealDoubles, /// which scales double to 16-bit integer if possible. /// /// internal sealed class ThousandthOfEmRealPoints : IList{ //---------------------------------- // Constructor //---------------------------------- internal ThousandthOfEmRealPoints( double emSize, int capacity ) { Debug.Assert(capacity >= 0); InitArrays(emSize, capacity); } internal ThousandthOfEmRealPoints( double emSize, IList pointValues ) { Debug.Assert(pointValues != null); InitArrays(emSize, pointValues.Count); // do the setting for (int i = 0; i < Count; i++) { _xArray[i] = pointValues[i].X; _yArray[i] = pointValues[i].Y; } } //------------------------------------- // Internal properties //------------------------------------- public int Count { get { return _xArray.Count; } } public bool IsReadOnly { get { return false; } } public Point this[int index] { get { // underlying array does boundary check return new Point(_xArray[index], _yArray[index]); } set { // underlying array does boundary check _xArray[index] = value.X; _yArray[index] = value.Y; } } //------------------------------------ // internal methods //------------------------------------ public int IndexOf(Point item) { // linear search for (int i = 0; i < Count; i++) { if (_xArray[i] == item.X && _yArray[i] == item.Y) { return i; } } return -1; } public void Clear() { _xArray.Clear(); _yArray.Clear(); } public bool Contains(Point item) { return IndexOf(item) >= 0; } public void CopyTo(Point[] array, int arrayIndex) { // parameter validations if (array == null) { throw new ArgumentNullException("array"); } if (array.Rank != 1) { throw new ArgumentException( SR.Get(SRID.Collection_CopyTo_ArrayCannotBeMultidimensional), "array"); } if (arrayIndex < 0) { throw new ArgumentOutOfRangeException("arrayIndex"); } if (arrayIndex >= array.Length) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_IndexGreaterThanOrEqualToArrayLength, "arrayIndex", "array"), "arrayIndex"); } if ((array.Length - Count - arrayIndex) < 0) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_NumberOfElementsExceedsArrayLength, "arrayIndex", "array")); } // do the copying here for (int i = 0; i < Count; i++) { array[arrayIndex + i] = this[i]; } } public IEnumerator GetEnumerator() { for (int i = 0; i < Count; i++) { yield return this[i]; } } System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return ((IEnumerable )this).GetEnumerator(); } public void Add(Point value) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void Insert(int index, Point item) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public bool Remove(Point item) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void RemoveAt(int index) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } //--------------------------------------------- // Private methods //--------------------------------------------- private void InitArrays(double emSize, int capacity) { _xArray = new ThousandthOfEmRealDoubles(emSize, capacity); _yArray = new ThousandthOfEmRealDoubles(emSize, capacity); } //---------------------------------------- // Private members //---------------------------------------- private ThousandthOfEmRealDoubles _xArray; // scaled double array for X coordinates private ThousandthOfEmRealDoubles _yArray; // scaled double array for Y coordinates } } // 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. // // // // Description: ThousandthOfEmRealPoints class // // History: // 1/13/2005: Garyyang Created the file // //--------------------------------------------------------------------------- using System; using System.Diagnostics; using System.Collections.Generic; using System.Windows; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace MS.Internal.TextFormatting { ////// This is a fixed-size implementation of IList<Point>. It is aimed to reduce the double values storage /// while providing enough precision for glyph run operations. Current usage pattern suggests that there is no /// need to support resizing functionality (i.e. Add(), Insert(), Remove(), RemoveAt()). /// /// For each point being stored, it will store the X and Y coordinates of the point into two seperate ThousandthOfEmRealDoubles, /// which scales double to 16-bit integer if possible. /// /// internal sealed class ThousandthOfEmRealPoints : IList{ //---------------------------------- // Constructor //---------------------------------- internal ThousandthOfEmRealPoints( double emSize, int capacity ) { Debug.Assert(capacity >= 0); InitArrays(emSize, capacity); } internal ThousandthOfEmRealPoints( double emSize, IList pointValues ) { Debug.Assert(pointValues != null); InitArrays(emSize, pointValues.Count); // do the setting for (int i = 0; i < Count; i++) { _xArray[i] = pointValues[i].X; _yArray[i] = pointValues[i].Y; } } //------------------------------------- // Internal properties //------------------------------------- public int Count { get { return _xArray.Count; } } public bool IsReadOnly { get { return false; } } public Point this[int index] { get { // underlying array does boundary check return new Point(_xArray[index], _yArray[index]); } set { // underlying array does boundary check _xArray[index] = value.X; _yArray[index] = value.Y; } } //------------------------------------ // internal methods //------------------------------------ public int IndexOf(Point item) { // linear search for (int i = 0; i < Count; i++) { if (_xArray[i] == item.X && _yArray[i] == item.Y) { return i; } } return -1; } public void Clear() { _xArray.Clear(); _yArray.Clear(); } public bool Contains(Point item) { return IndexOf(item) >= 0; } public void CopyTo(Point[] array, int arrayIndex) { // parameter validations if (array == null) { throw new ArgumentNullException("array"); } if (array.Rank != 1) { throw new ArgumentException( SR.Get(SRID.Collection_CopyTo_ArrayCannotBeMultidimensional), "array"); } if (arrayIndex < 0) { throw new ArgumentOutOfRangeException("arrayIndex"); } if (arrayIndex >= array.Length) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_IndexGreaterThanOrEqualToArrayLength, "arrayIndex", "array"), "arrayIndex"); } if ((array.Length - Count - arrayIndex) < 0) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_NumberOfElementsExceedsArrayLength, "arrayIndex", "array")); } // do the copying here for (int i = 0; i < Count; i++) { array[arrayIndex + i] = this[i]; } } public IEnumerator GetEnumerator() { for (int i = 0; i < Count; i++) { yield return this[i]; } } System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return ((IEnumerable )this).GetEnumerator(); } public void Add(Point value) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void Insert(int index, Point item) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public bool Remove(Point item) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void RemoveAt(int index) { // not supported, same as Point[] throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } //--------------------------------------------- // Private methods //--------------------------------------------- private void InitArrays(double emSize, int capacity) { _xArray = new ThousandthOfEmRealDoubles(emSize, capacity); _yArray = new ThousandthOfEmRealDoubles(emSize, capacity); } //---------------------------------------- // Private members //---------------------------------------- private ThousandthOfEmRealDoubles _xArray; // scaled double array for X coordinates private ThousandthOfEmRealDoubles _yArray; // scaled double array for Y coordinates } } // 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
- Triplet.cs
- Base64Stream.cs
- arabicshape.cs
- DocComment.cs
- ListBoxItem.cs
- SqlAliasesReferenced.cs
- MenuItemBinding.cs
- ScriptControlManager.cs
- DataSet.cs
- LocatorManager.cs
- DtrList.cs
- RequestNavigateEventArgs.cs
- ClientTarget.cs
- CriticalFinalizerObject.cs
- PointF.cs
- AttributeQuery.cs
- XmlTextEncoder.cs
- XmlDataContract.cs
- GlobalProxySelection.cs
- ValueUnavailableException.cs
- BindableTemplateBuilder.cs
- CancelRequestedRecord.cs
- LinqDataSourceDeleteEventArgs.cs
- WindowsGraphicsCacheManager.cs
- FixedSOMTableRow.cs
- ProcessInputEventArgs.cs
- BitmapFrame.cs
- IIS7WorkerRequest.cs
- AssemblyAttributesGoHere.cs
- CodeAccessSecurityEngine.cs
- isolationinterop.cs
- ItemsPresenter.cs
- versioninfo.cs
- IDReferencePropertyAttribute.cs
- ColorInterpolationModeValidation.cs
- FileVersionInfo.cs
- RoleGroupCollection.cs
- EmissiveMaterial.cs
- SortDescriptionCollection.cs
- StylusPlugInCollection.cs
- EntityClassGenerator.cs
- IPipelineRuntime.cs
- tibetanshape.cs
- RegularExpressionValidator.cs
- ToolBarOverflowPanel.cs
- MobileTemplatedControlDesigner.cs
- TransportContext.cs
- ImportContext.cs
- InstanceStoreQueryResult.cs
- QuotedPairReader.cs
- DragEvent.cs
- WebPartExportVerb.cs
- parserscommon.cs
- Interfaces.cs
- VisualTreeFlattener.cs
- ProviderUtil.cs
- OutputCacheSettingsSection.cs
- ContextMenuService.cs
- BitmapEffectGeneralTransform.cs
- HttpTransportElement.cs
- ConnectionConsumerAttribute.cs
- SecUtil.cs
- WindowsScrollBar.cs
- DrawingAttributeSerializer.cs
- ByteStack.cs
- SqlDataSourceStatusEventArgs.cs
- TypeToStringValueConverter.cs
- Point.cs
- XmlNode.cs
- ProxyWebPartConnectionCollection.cs
- SoapMessage.cs
- AdornerLayer.cs
- MediaElement.cs
- SmtpAuthenticationManager.cs
- InternalMappingException.cs
- FormViewPageEventArgs.cs
- ProxyManager.cs
- ServerValidateEventArgs.cs
- Help.cs
- SQLInt32Storage.cs
- LineBreakRecord.cs
- JumpList.cs
- RadioButtonFlatAdapter.cs
- WaitHandleCannotBeOpenedException.cs
- NegationPusher.cs
- FontWeights.cs
- WindowsScrollBar.cs
- WindowsTreeView.cs
- RootBrowserWindowAutomationPeer.cs
- ArrangedElement.cs
- FixUp.cs
- WebScriptMetadataMessageEncoderFactory.cs
- ContainerUtilities.cs
- Literal.cs
- WebEvents.cs
- BinaryUtilClasses.cs
- SlipBehavior.cs
- BinaryFormatter.cs
- Cursors.cs
- TextElementCollectionHelper.cs