Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / ScaleTransform.cs / 1 / ScaleTransform.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001 // // File: ScaleTransform.cs //----------------------------------------------------------------------------- using System; using System.Windows; using System.Windows.Media; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using System.Security; using System.Collections; using MS.Internal; using MS.Internal.PresentationCore; using System.Windows.Media.Animation; using System.Globalization; using System.Text; using System.Runtime.InteropServices; using System.Windows.Media.Composition; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media { ////// Create a scale transformation. /// public sealed partial class ScaleTransform : Transform { ////// Create a scale transformation. /// public ScaleTransform() { } ////// Create a scale transformation. /// public ScaleTransform( double scaleX, double scaleY ) { ScaleX = scaleX; ScaleY = scaleY; } ////// Create a scale transformation. /// public ScaleTransform( double scaleX, double scaleY, double centerX, double centerY ) : this(scaleX, scaleY) { CenterX = centerX; CenterY = centerY; } ////// Return the current transformation value. /// public override Matrix Value { get { ReadPreamble(); Matrix m = new Matrix(); m.ScaleAt(ScaleX, ScaleY, CenterX, CenterY); return m; } } ////// Returns true if transformation matches the identity transform. /// internal override bool IsIdentity { get { return ScaleX == 1 && ScaleY == 1 && CanFreeze; } } internal override void TransformRect(ref Rect rect) { if (rect.IsEmpty) { return; } double scaleX = ScaleX; double scaleY = ScaleY; double centerX = CenterX; double centerY = CenterY; bool translateCenter = centerX != 0 || centerY != 0; if (translateCenter) { rect.X -= centerX; rect.Y -= centerY; } rect.Scale(scaleX, scaleY); if (translateCenter) { rect.X += centerX; rect.Y += centerY; } } ////// MultiplyValueByMatrix - *result is set equal to "this" * matrixToMultiplyBy. /// /// The result is stored here. /// The multiplicand. internal override void MultiplyValueByMatrix(ref Matrix result, ref Matrix matrixToMultiplyBy) { result = Matrix.Identity; result._m11 = ScaleX; result._m22 = ScaleY; double centerX = CenterX; double centerY = CenterY; result._type = MatrixTypes.TRANSFORM_IS_SCALING; if (centerX != 0 || centerY != 0) { result._offsetX = centerX - centerX * result._m11; result._offsetY = centerY - centerY * result._m22; result._type |= MatrixTypes.TRANSFORM_IS_TRANSLATION; } MatrixUtil.MultiplyMatrix(ref result, ref matrixToMultiplyBy); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001 // // File: ScaleTransform.cs //----------------------------------------------------------------------------- using System; using System.Windows; using System.Windows.Media; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using System.Security; using System.Collections; using MS.Internal; using MS.Internal.PresentationCore; using System.Windows.Media.Animation; using System.Globalization; using System.Text; using System.Runtime.InteropServices; using System.Windows.Media.Composition; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media { ////// Create a scale transformation. /// public sealed partial class ScaleTransform : Transform { ////// Create a scale transformation. /// public ScaleTransform() { } ////// Create a scale transformation. /// public ScaleTransform( double scaleX, double scaleY ) { ScaleX = scaleX; ScaleY = scaleY; } ////// Create a scale transformation. /// public ScaleTransform( double scaleX, double scaleY, double centerX, double centerY ) : this(scaleX, scaleY) { CenterX = centerX; CenterY = centerY; } ////// Return the current transformation value. /// public override Matrix Value { get { ReadPreamble(); Matrix m = new Matrix(); m.ScaleAt(ScaleX, ScaleY, CenterX, CenterY); return m; } } ////// Returns true if transformation matches the identity transform. /// internal override bool IsIdentity { get { return ScaleX == 1 && ScaleY == 1 && CanFreeze; } } internal override void TransformRect(ref Rect rect) { if (rect.IsEmpty) { return; } double scaleX = ScaleX; double scaleY = ScaleY; double centerX = CenterX; double centerY = CenterY; bool translateCenter = centerX != 0 || centerY != 0; if (translateCenter) { rect.X -= centerX; rect.Y -= centerY; } rect.Scale(scaleX, scaleY); if (translateCenter) { rect.X += centerX; rect.Y += centerY; } } ////// MultiplyValueByMatrix - *result is set equal to "this" * matrixToMultiplyBy. /// /// The result is stored here. /// The multiplicand. internal override void MultiplyValueByMatrix(ref Matrix result, ref Matrix matrixToMultiplyBy) { result = Matrix.Identity; result._m11 = ScaleX; result._m22 = ScaleY; double centerX = CenterX; double centerY = CenterY; result._type = MatrixTypes.TRANSFORM_IS_SCALING; if (centerX != 0 || centerY != 0) { result._offsetX = centerX - centerX * result._m11; result._offsetY = centerY - centerY * result._m22; result._type |= MatrixTypes.TRANSFORM_IS_TRANSLATION; } MatrixUtil.MultiplyMatrix(ref result, ref matrixToMultiplyBy); } } } // 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
- WebHttpEndpointElement.cs
- UserMapPath.cs
- DefaultAsyncDataDispatcher.cs
- CodeThrowExceptionStatement.cs
- AssemblyUtil.cs
- OleDbErrorCollection.cs
- AbsoluteQuery.cs
- ObjectDataSourceWizardForm.cs
- UniqueEventHelper.cs
- MLangCodePageEncoding.cs
- SystemTcpStatistics.cs
- BulletedList.cs
- DataBinder.cs
- InstanceData.cs
- PartialArray.cs
- ContextQuery.cs
- SQLBinary.cs
- WorkItem.cs
- ThreadBehavior.cs
- TriggerCollection.cs
- DrawingState.cs
- ColumnMapProcessor.cs
- Version.cs
- DataListItemCollection.cs
- HostingEnvironment.cs
- XsdBuildProvider.cs
- sqlcontext.cs
- AddInPipelineAttributes.cs
- ConfigurationPropertyCollection.cs
- StylusDevice.cs
- EntityDataSourceChangedEventArgs.cs
- XNodeValidator.cs
- FeatureSupport.cs
- UriParserTemplates.cs
- DataGridViewRowErrorTextNeededEventArgs.cs
- PropertyNames.cs
- DataBindEngine.cs
- DeploymentSection.cs
- BindMarkupExtensionSerializer.cs
- EntityDataSourceDataSelection.cs
- util.cs
- XmlSerializerAssemblyAttribute.cs
- PrintingPermissionAttribute.cs
- base64Transforms.cs
- RightsManagementEncryptedStream.cs
- XmlExpressionDumper.cs
- MediaElementAutomationPeer.cs
- SoapExtension.cs
- OrderedDictionary.cs
- TypefaceMetricsCache.cs
- XmlWrappingReader.cs
- ScrollPattern.cs
- JsonServiceDocumentSerializer.cs
- PerformanceCounterManager.cs
- XmlStringTable.cs
- BinaryMethodMessage.cs
- FastEncoder.cs
- Stream.cs
- XmlProcessingInstruction.cs
- DataGridItemCollection.cs
- NameObjectCollectionBase.cs
- PkcsUtils.cs
- OdbcConnection.cs
- BrowserCapabilitiesFactory.cs
- CommandPlan.cs
- QueryReaderSettings.cs
- XmlSchemaCollection.cs
- BindingBase.cs
- GradientStop.cs
- XamlVector3DCollectionSerializer.cs
- UInt64.cs
- ScriptDescriptor.cs
- PhoneCall.cs
- TextChange.cs
- UnmanagedMarshal.cs
- GridViewHeaderRowPresenter.cs
- BaseTemplateParser.cs
- EqualityArray.cs
- OrderByLifter.cs
- Section.cs
- DataGridRowEventArgs.cs
- ServicePointManagerElement.cs
- TextTreeUndo.cs
- TextContainer.cs
- ImageConverter.cs
- UrlMappingCollection.cs
- Canvas.cs
- NestPullup.cs
- SqlDataRecord.cs
- HttpModuleActionCollection.cs
- PointCollectionConverter.cs
- StylusSystemGestureEventArgs.cs
- InfoCardClaimCollection.cs
- DockProviderWrapper.cs
- Container.cs
- ListViewPagedDataSource.cs
- XmlExpressionDumper.cs
- HMACSHA384.cs
- WizardStepBase.cs
- Camera.cs