Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / MS / Internal / AnimatedTypeHelpers.cs / 1 / AnimatedTypeHelpers.cs
// AnimatedTypeHelpers.cs using System; using System.Windows; using System.Windows.Media; using System.Windows.Media.Media3D; namespace MS.Internal.PresentationFramework { internal static class AnimatedTypeHelpers { #region Interpolation Methods ////// To support "By" animations and to make our internal code easily readable /// this method will interpolate between Auto and non-Auto values treating /// the Auto value essentially as a zero value for whatever the UnitType /// of the other value is via the fact that Auto returns 0.0 for the Value /// property rather than throwing an exception as a Nullable would. /// /// If both values are Auto, we return Auto. /// /// The from value. /// The to value. /// The progress value used for interpolation. ///The interpolated value. ////// Thrown if one of the values is a percent and the other is not. /// private static Double InterpolateDouble(Double from, Double to, Double progress) { return from + ((to - from) * progress); } internal static Thickness InterpolateThickness(Thickness from, Thickness to, double progress) { return new Thickness( InterpolateDouble(from.Left, to.Left, progress), InterpolateDouble(from.Top, to.Top, progress), InterpolateDouble(from.Right, to.Right, progress), InterpolateDouble(from.Bottom, to.Bottom, progress)); } #endregion #region Add Methods private static Double AddDouble(Double value1, Double value2) { return value1 + value2; } internal static Thickness AddThickness(Thickness value1, Thickness value2) { return new Thickness( AddDouble(value1.Left, value2.Left), AddDouble(value1.Top, value2.Top), AddDouble(value1.Right, value2.Right), AddDouble(value1.Bottom, value2.Bottom)); } #endregion #region Subtract Methods internal static Thickness SubtractThickness(Thickness value1, Thickness value2) { return new Thickness( value1.Left - value2.Left, value1.Top - value2.Top, value1.Right - value2.Right, value1.Bottom - value2.Bottom); } #endregion #region GetSegmentLength Methods private static Double GetSegmentLengthDouble(Double from, Double to) { return Math.Abs(to - from); } internal static double GetSegmentLengthThickness(Thickness from, Thickness to) { double totalLength = Math.Pow(GetSegmentLengthDouble(from.Left, to.Left), 2.0) + Math.Pow(GetSegmentLengthDouble(from.Top, to.Top), 2.0) + Math.Pow(GetSegmentLengthDouble(from.Right, to.Right), 2.0) + Math.Pow(GetSegmentLengthDouble(from.Bottom, to.Bottom), 2.0); return Math.Sqrt(totalLength); } #endregion #region Scale Methods private static Double ScaleDouble(Double value, Double factor) { return value * factor; } internal static Thickness ScaleThickness(Thickness value, double factor) { return new Thickness( ScaleDouble(value.Left, factor), ScaleDouble(value.Top, factor), ScaleDouble(value.Right, factor), ScaleDouble(value.Bottom, factor)); } #endregion #region IsValidAnimationValue Methods private static bool IsValidAnimationValueDouble(Double value) { if (IsInvalidDouble(value)) { return false; } return true; } internal static bool IsValidAnimationValueThickness(Thickness value) { // At least one of the sub-values must be an interpolatable length. if ( IsValidAnimationValueDouble(value.Left) || IsValidAnimationValueDouble(value.Top) || IsValidAnimationValueDouble(value.Right) || IsValidAnimationValueDouble(value.Bottom)) { return true; } return false; } #endregion #region GetZeroValueMethods private static Double GetZeroValueDouble(Double baseValue) { return 0.0; } internal static Thickness GetZeroValueThickness(Thickness baseValue) { return new Thickness( GetZeroValueDouble(baseValue.Left), GetZeroValueDouble(baseValue.Top), GetZeroValueDouble(baseValue.Right), GetZeroValueDouble(baseValue.Bottom)); } #endregion #region Helpers private static bool IsInvalidDouble(double value) { return Double.IsInfinity(value) || DoubleUtil.IsNaN(value); } #endregion } } // 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
- TdsValueSetter.cs
- DateTimeFormatInfo.cs
- PolyBezierSegment.cs
- GridViewEditEventArgs.cs
- TdsEnums.cs
- BulletChrome.cs
- SourceExpressionException.cs
- WmlImageAdapter.cs
- QilBinary.cs
- ToolStripItemTextRenderEventArgs.cs
- HtmlLinkAdapter.cs
- ValueExpressions.cs
- ListViewAutomationPeer.cs
- MemberPathMap.cs
- ButtonBaseAutomationPeer.cs
- EncryptedType.cs
- TextChangedEventArgs.cs
- SchemaObjectWriter.cs
- BrowserPolicyValidator.cs
- XmlArrayItemAttributes.cs
- SafeNativeMemoryHandle.cs
- XmlTextAttribute.cs
- MenuStrip.cs
- WSSecurityOneDotOneReceiveSecurityHeader.cs
- XsdDataContractExporter.cs
- URLIdentityPermission.cs
- InvalidDataException.cs
- TreeChangeInfo.cs
- FlowLayoutSettings.cs
- DoWorkEventArgs.cs
- StringStorage.cs
- FragmentQuery.cs
- StreamGeometry.cs
- EditingMode.cs
- QueryReaderSettings.cs
- WorkflowServiceHost.cs
- DirectoryLocalQuery.cs
- MailMessageEventArgs.cs
- SignerInfo.cs
- UserControl.cs
- Journaling.cs
- RequestSecurityTokenForRemoteTokenFactory.cs
- CodePropertyReferenceExpression.cs
- XmlNullResolver.cs
- MimeXmlReflector.cs
- HtmlControl.cs
- TagNameToTypeMapper.cs
- ProxyWebPartConnectionCollection.cs
- EndPoint.cs
- SEHException.cs
- XmlSchemaParticle.cs
- Matrix3D.cs
- IntSecurity.cs
- ResetableIterator.cs
- LocationSectionRecord.cs
- DataSpaceManager.cs
- LongAverageAggregationOperator.cs
- HttpCacheVary.cs
- LinkedResource.cs
- NumericExpr.cs
- XmlTypeAttribute.cs
- SimpleHandlerBuildProvider.cs
- XmlILConstructAnalyzer.cs
- PerspectiveCamera.cs
- ServiceElement.cs
- DesignDataSource.cs
- WithParamAction.cs
- AuthenticateEventArgs.cs
- CookieHandler.cs
- ExpressionBinding.cs
- Cursors.cs
- DecoderFallback.cs
- Vector3DCollection.cs
- Single.cs
- TextSelectionHighlightLayer.cs
- GPRECT.cs
- HtmlTitle.cs
- RepeatBehaviorConverter.cs
- XmlSchemaIdentityConstraint.cs
- SqlTrackingQuery.cs
- EventWaitHandleSecurity.cs
- Environment.cs
- XmlDataSourceDesigner.cs
- InputBinder.cs
- MetadataPropertyvalue.cs
- OdbcHandle.cs
- dataSvcMapFileLoader.cs
- PublisherIdentityPermission.cs
- VarRefManager.cs
- AutoGeneratedFieldProperties.cs
- XmlWriterSettings.cs
- Positioning.cs
- ExceptionUtility.cs
- SharedPersonalizationStateInfo.cs
- ResizeGrip.cs
- InputManager.cs
- MustUnderstandSoapException.cs
- EdmItemCollection.cs
- PatternMatcher.cs
- ReferencedType.cs