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//---------------------------------------------------------------------------
//
// Copyright(C) Microsoft Corporation. All rights reserved.
//
// File: TextOptions.cs
//
// Description: TextOptions groups attached properties that affect the way
// WPF displays text such as TextFormattingMode
// and TextRenderingMode.
//
// History:
// 05/05/2009 : Microsoft - created.
//
//---------------------------------------------------------------------------
using System.Windows;
using MS.Internal.Media;
namespace System.Windows.Media
{
/// <summary>
/// Provide access to text options of element in syntax of TextOptions.xxx = yyy;
/// Actual data is stored in the owner.
/// </summary>
public static class TextOptions
{
#region Dependency Properties
/// <summary> Text formatting mode Property </summary>
public static readonly DependencyProperty TextFormattingModeProperty =
DependencyProperty.RegisterAttached(
"TextFormattingMode",
typeof(TextFormattingMode),
typeof(TextOptions),
new FrameworkPropertyMetadata(
TextFormattingMode.Ideal,
FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.Inherits),
new ValidateValueCallback(IsTextFormattingModeValid));
internal static bool IsTextFormattingModeValid(object valueObject)
{
TextFormattingMode value = (TextFormattingMode) valueObject;
return (value == TextFormattingMode.Ideal) ||
(value == TextFormattingMode.Display);
}
/// <summary> Text rendering Property </summary>
public static readonly DependencyProperty TextRenderingModeProperty =
DependencyProperty.RegisterAttached(
"TextRenderingMode",
typeof(TextRenderingMode),
typeof(TextOptions),
new FrameworkPropertyMetadata(
TextRenderingMode.Auto,
FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.Inherits),
new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsTextRenderingModeValid));
/// <summary> Text hinting property </summary>
public static readonly DependencyProperty TextHintingModeProperty =
TextOptionsInternal.TextHintingModeProperty.AddOwner(
typeof(TextOptions));
#endregion Dependency Properties
#region Attached Properties Setters
public static void SetTextFormattingMode(DependencyObject element, TextFormattingMode value)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(TextFormattingModeProperty, value);
}
public static TextFormattingMode GetTextFormattingMode(DependencyObject element)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
return (TextFormattingMode)element.GetValue(TextFormattingModeProperty);
}
public static void SetTextRenderingMode(DependencyObject element, TextRenderingMode value)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(TextRenderingModeProperty, value);
}
public static TextRenderingMode GetTextRenderingMode(DependencyObject element)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
return (TextRenderingMode)element.GetValue(TextRenderingModeProperty);
}
public static void SetTextHintingMode(DependencyObject element, TextHintingMode value)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
element.SetValue(TextHintingModeProperty, value);
}
public static TextHintingMode GetTextHintingMode(DependencyObject element)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
return (TextHintingMode)element.GetValue(TextHintingModeProperty);
}
#endregion Attached Properties Getters and Setters
}
}
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