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/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / textformatting / TextParagraphProperties.cs / 1305600 / TextParagraphProperties.cs
//------------------------------------------------------------------------ // // Microsoft Windows Client Platform // Copyright (C) Microsoft Corporation // // File: TextParagraphProperties.cs // // Contents: Text paragraph properties // // Spec: http://team/sites/Avalon/Specs/Text%20Formatting%20API.doc // // Created: 1-7-2005 Worachai Chaoweeraprasit (wchao) // //----------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Windows; using MS.Internal.PresentationCore; namespace System.Windows.Media.TextFormatting { ////// Properties that can change from one paragraph to the next, such as /// text flow direction, text alignment, or indentation. /// public abstract class TextParagraphProperties { ////// This property specifies whether the primary text advance /// direction shall be left-to-right, right-to-left, or top-to-bottom. /// public abstract FlowDirection FlowDirection { get; } ////// This property describes how inline content of a block is aligned. /// public abstract TextAlignment TextAlignment { get; } ////// Paragraph's line height /// public abstract double LineHeight { get; } ////// Indicates the first line of the paragraph. /// public abstract bool FirstLineInParagraph { get; } ////// If true, the formatted line may always be collapsed. If false (the default), /// only lines that overflow the paragraph width are collapsed. /// public virtual bool AlwaysCollapsible { get { return false; } } ////// Paragraph's default run properties /// public abstract TextRunProperties DefaultTextRunProperties { get; } ////// If not null, text decorations to apply to all runs in the line. This is in addition /// to any text decorations specified by the TextRunProperties for individual text runs. /// public virtual TextDecorationCollection TextDecorations { get { return null; } } ////// This property controls whether or not text wraps when it reaches the flow edge /// of its containing block box /// public abstract TextWrapping TextWrapping { get; } ////// This property specifies marker characteristics of the first line in paragraph /// public abstract TextMarkerProperties TextMarkerProperties { get; } ////// Line indentation /// public abstract double Indent { get; } ////// Paragraph indentation /// public virtual double ParagraphIndent { get { return 0; } } ////// Default Incremental Tab /// public virtual double DefaultIncrementalTab { get { return 4 * DefaultTextRunProperties.FontRenderingEmSize; } } ////// Collection of tab definitions /// public virtual IListTabs { get { return null; } } /// /// Lexical component providing hyphenation opportunity. /// #if HYPHENATION_API public virtual TextLexicalService Hyphenator { get { return null; } } #else private TextLexicalService _hyphenator; internal virtual TextLexicalService Hyphenator { [FriendAccessAllowed] // used by Framework get { return _hyphenator; } [FriendAccessAllowed] // used by Framework set { _hyphenator = value; } } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------ // // Microsoft Windows Client Platform // Copyright (C) Microsoft Corporation // // File: TextParagraphProperties.cs // // Contents: Text paragraph properties // // Spec: http://team/sites/Avalon/Specs/Text%20Formatting%20API.doc // // Created: 1-7-2005 Worachai Chaoweeraprasit (wchao) // //----------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Windows; using MS.Internal.PresentationCore; namespace System.Windows.Media.TextFormatting { ////// Properties that can change from one paragraph to the next, such as /// text flow direction, text alignment, or indentation. /// public abstract class TextParagraphProperties { ////// This property specifies whether the primary text advance /// direction shall be left-to-right, right-to-left, or top-to-bottom. /// public abstract FlowDirection FlowDirection { get; } ////// This property describes how inline content of a block is aligned. /// public abstract TextAlignment TextAlignment { get; } ////// Paragraph's line height /// public abstract double LineHeight { get; } ////// Indicates the first line of the paragraph. /// public abstract bool FirstLineInParagraph { get; } ////// If true, the formatted line may always be collapsed. If false (the default), /// only lines that overflow the paragraph width are collapsed. /// public virtual bool AlwaysCollapsible { get { return false; } } ////// Paragraph's default run properties /// public abstract TextRunProperties DefaultTextRunProperties { get; } ////// If not null, text decorations to apply to all runs in the line. This is in addition /// to any text decorations specified by the TextRunProperties for individual text runs. /// public virtual TextDecorationCollection TextDecorations { get { return null; } } ////// This property controls whether or not text wraps when it reaches the flow edge /// of its containing block box /// public abstract TextWrapping TextWrapping { get; } ////// This property specifies marker characteristics of the first line in paragraph /// public abstract TextMarkerProperties TextMarkerProperties { get; } ////// Line indentation /// public abstract double Indent { get; } ////// Paragraph indentation /// public virtual double ParagraphIndent { get { return 0; } } ////// Default Incremental Tab /// public virtual double DefaultIncrementalTab { get { return 4 * DefaultTextRunProperties.FontRenderingEmSize; } } ////// Collection of tab definitions /// public virtual IListTabs { get { return null; } } /// /// Lexical component providing hyphenation opportunity. /// #if HYPHENATION_API public virtual TextLexicalService Hyphenator { get { return null; } } #else private TextLexicalService _hyphenator; internal virtual TextLexicalService Hyphenator { [FriendAccessAllowed] // used by Framework get { return _hyphenator; } [FriendAccessAllowed] // used by Framework set { _hyphenator = value; } } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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