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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
// Description: Predefined FontStretch structures that correspond to common font stretches.
//
using System.Globalization;
namespace System.Windows
{
/// <summary>
/// FontStretches contains predefined font stretch structures for common font stretches.
/// </summary>
public static class FontStretches
{
/// <summary>
/// Predefined font stretch : Ultra-condensed.
/// </summary>
public static FontStretch UltraCondensed { get { return new FontStretch(1); } }
/// <summary>
/// Predefined font stretch : Extra-condensed.
/// </summary>
public static FontStretch ExtraCondensed { get { return new FontStretch(2); } }
/// <summary>
/// Predefined font stretch : Condensed.
/// </summary>
public static FontStretch Condensed { get { return new FontStretch(3); } }
/// <summary>
/// Predefined font stretch : Semi-condensed.
/// </summary>
public static FontStretch SemiCondensed { get { return new FontStretch(4); } }
/// <summary>
/// Predefined font stretch : Normal.
/// </summary>
public static FontStretch Normal { get { return new FontStretch(5); } }
/// <summary>
/// Predefined font stretch : Medium.
/// </summary>
public static FontStretch Medium { get { return new FontStretch(5); } }
/// <summary>
/// Predefined font stretch : Semi-expanded.
/// </summary>
public static FontStretch SemiExpanded { get { return new FontStretch(6); } }
/// <summary>
/// Predefined font stretch : Expanded.
/// </summary>
public static FontStretch Expanded { get { return new FontStretch(7); } }
/// <summary>
/// Predefined font stretch : Extra-expanded.
/// </summary>
public static FontStretch ExtraExpanded { get { return new FontStretch(8); } }
/// <summary>
/// Predefined font stretch : Ultra-expanded.
/// </summary>
public static FontStretch UltraExpanded { get { return new FontStretch(9); } }
internal static bool FontStretchStringToKnownStretch(string s, IFormatProvider provider, ref FontStretch fontStretch)
{
switch (s.Length)
{
case 6:
if (s.Equals("Normal", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Normal;
return true;
}
if (s.Equals("Medium", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Medium;
return true;
}
break;
case 8:
if (s.Equals("Expanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Expanded;
return true;
}
break;
case 9:
if (s.Equals("Condensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Condensed;
return true;
}
break;
case 12:
if (s.Equals("SemiExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.SemiExpanded;
return true;
}
break;
case 13:
if (s.Equals("SemiCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.SemiCondensed;
return true;
}
if (s.Equals("ExtraExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.ExtraExpanded;
return true;
}
if (s.Equals("UltraExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.UltraExpanded;
return true;
}
break;
case 14:
if (s.Equals("UltraCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.UltraCondensed;
return true;
}
if (s.Equals("ExtraCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.ExtraCondensed;
return true;
}
break;
}
int stretchValue;
if (int.TryParse(s, NumberStyles.Integer, provider, out stretchValue))
{
fontStretch = FontStretch.FromOpenTypeStretch(stretchValue);
return true;
}
return false;
}
internal static bool FontStretchToString(int stretch, out string convertedValue)
{
switch (stretch)
{
case 1:
convertedValue = "UltraCondensed";
return true;
case 2:
convertedValue = "ExtraCondensed";
return true;
case 3:
convertedValue = "Condensed";
return true;
case 4:
convertedValue = "SemiCondensed";
return true;
case 5:
convertedValue = "Normal";
return true;
case 6:
convertedValue = "SemiExpanded";
return true;
case 7:
convertedValue = "Expanded";
return true;
case 8:
convertedValue = "ExtraExpanded";
return true;
case 9:
convertedValue = "UltraExpanded";
return true;
}
convertedValue = null;
return false;
}
}
}
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