Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / AnimatedTypeHelpers.cs / 1305600 / 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. // 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
- DataSetViewSchema.cs
- StructureChangedEventArgs.cs
- XmlUrlResolver.cs
- HttpConfigurationSystem.cs
- UIPropertyMetadata.cs
- Part.cs
- SortFieldComparer.cs
- ServiceRoute.cs
- SerTrace.cs
- DataExchangeServiceBinder.cs
- WorkflowCreationContext.cs
- RelatedEnd.cs
- PbrsForward.cs
- HGlobalSafeHandle.cs
- AlternateViewCollection.cs
- TemplatedMailWebEventProvider.cs
- RegexStringValidatorAttribute.cs
- DelegateBodyWriter.cs
- FixedTextPointer.cs
- GridViewItemAutomationPeer.cs
- RoutingSection.cs
- ConstructorBuilder.cs
- StreamWriter.cs
- Header.cs
- WmlControlAdapter.cs
- _UriSyntax.cs
- StylusPlugin.cs
- BrowserCapabilitiesCompiler.cs
- RSAPKCS1KeyExchangeFormatter.cs
- CleanUpVirtualizedItemEventArgs.cs
- _SpnDictionary.cs
- VariableAction.cs
- UpdatePanelTriggerCollection.cs
- EntityCodeGenerator.cs
- WindowProviderWrapper.cs
- TreeNodeCollection.cs
- NavigatorInput.cs
- RecognizerInfo.cs
- XmlRawWriterWrapper.cs
- webeventbuffer.cs
- TextEditorCharacters.cs
- SymLanguageVendor.cs
- Int32Converter.cs
- Internal.cs
- ListView.cs
- ActivityMarkupSerializationProvider.cs
- EntityConnectionStringBuilderItem.cs
- CssTextWriter.cs
- CacheChildrenQuery.cs
- FrameworkElement.cs
- DispatcherProcessingDisabled.cs
- HandlerBase.cs
- SafeSerializationManager.cs
- CustomAttributeBuilder.cs
- ReadOnlyNameValueCollection.cs
- MainMenu.cs
- login.cs
- DiagnosticsConfiguration.cs
- CalendarDay.cs
- PublisherIdentityPermission.cs
- NodeFunctions.cs
- SoapSchemaImporter.cs
- StringUtil.cs
- ResourceCategoryAttribute.cs
- _DomainName.cs
- QuadraticBezierSegment.cs
- MappingItemCollection.cs
- EdmError.cs
- NativeStructs.cs
- RegexNode.cs
- FileAccessException.cs
- IgnoreFileBuildProvider.cs
- ErrorRuntimeConfig.cs
- UpdateEventArgs.cs
- DataGridLinkButton.cs
- MetadataItemEmitter.cs
- newinstructionaction.cs
- SplitterEvent.cs
- ZipFileInfoCollection.cs
- GregorianCalendarHelper.cs
- GeometryDrawing.cs
- AnchorEditor.cs
- PageContent.cs
- ContractInferenceHelper.cs
- SpeakCompletedEventArgs.cs
- List.cs
- LinkTarget.cs
- DbParameterCollection.cs
- DependencyObjectProvider.cs
- AssemblyResourceLoader.cs
- SyndicationElementExtension.cs
- ColorConvertedBitmap.cs
- HitTestDrawingContextWalker.cs
- PolicyManager.cs
- MatrixCamera.cs
- DataControlFieldHeaderCell.cs
- Item.cs
- WindowsSpinner.cs
- Configuration.cs
- DataGridTextBoxColumn.cs