Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / FamilyMap.cs / 1 / FamilyMap.cs
//+------------------------------------------------------------------------
//
// Microsoft Windows Client Platform
// Copyright (C) Microsoft Corporation, 2002
//
// File: FamilyMap.cs
//
// Contents: FontFamilyMap implementation
//
// Spec: http://team/sites/Avalon/Specs/Fonts.htm
//
// Created: 5-25-2003 Worachai Chaoweeraprasit (wchao)
//
//-----------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Security;
using System.Globalization;
using System.ComponentModel;
using System.Windows.Markup;
using MS.Internal.FontFace;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
namespace System.Windows.Media
{
///
/// Defines which FontFamily to use for a specified set of Unicode code points and
/// a specified language. The FontFamilyMap also specifies a scale factor, allowing the
/// target FontFamily size to be adjusted to better match the size of other fonts
/// used in the composite font family.
///
public class FontFamilyMap
{
private Range[] _ranges;
private XmlLanguage _language;
private double _scaleInEm;
private string _targetFamilyName;
internal const int LastUnicodeScalar = 0x10ffff;
private static readonly Range[] _defaultRanges = new Range[] { new Range(0, LastUnicodeScalar) };
internal static readonly FontFamilyMap Default = new FontFamilyMap(
0,
LastUnicodeScalar,
null, // any language
null, // Target
1.0 // Scale
);
///
/// Construct a default family map object
///
public FontFamilyMap()
: this(
0,
LastUnicodeScalar,
null, // any language
null, // Target
1.0 // Scale
)
{}
///
/// Construct a Family map object
///
/// first character
/// last character
/// language
/// target family name
/// font scale in EM
internal FontFamilyMap(
int firstChar,
int lastChar,
XmlLanguage language,
string targetFamilyName,
double scaleInEm
)
{
if (firstChar == 0 && lastChar == LastUnicodeScalar)
_ranges = _defaultRanges;
else
_ranges = new Range[]{ new Range(firstChar, lastChar) };
_language = language;
_scaleInEm = scaleInEm;
_targetFamilyName = targetFamilyName;
}
///
/// String of Unicode ranges as a list of 'FirstCode-LastCode' separated by comma
/// e.g. "0000-00ff,00e0-00ef"
///
[DesignerSerializationOptions(DesignerSerializationOptions.SerializeAsAttribute)]
public string Unicode
{
set
{
if (value == null)
throw new ArgumentNullException("value");
_ranges = ParseUnicodeRanges(value);
}
get
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < _ranges.Length; ++i)
{
if (i != 0) sb.Append(',');
sb.AppendFormat(NumberFormatInfo.InvariantInfo, "{0:x4}-{1:x4}", _ranges[i].First, _ranges[i].Last);
}
return sb.ToString();
}
}
///
/// Target font family name in which the ranges map to
///
[DesignerSerializationOptions(DesignerSerializationOptions.SerializeAsAttribute)]
public string Target
{
get
{
return _targetFamilyName;
}
set
{
_targetFamilyName = value;
}
}
///
/// Font scaling factor relative to EM
///
public double Scale
{
get
{
return _scaleInEm;
}
set
{
CompositeFontParser.VerifyPositiveMultiplierOfEm("Scale", ref value);
_scaleInEm = value;
}
}
///
/// Language to which the FontFamilyMap applies.
///
///
/// This property can be a specific language if the FontFamilyMap applies to just that
/// language, a neutral language if it applies to a group of related languages, or
/// the empty string if it applies to any language. The default value is the empty string.
///
public XmlLanguage Language
{
get
{
return _language;
}
set
{
_language = (value == XmlLanguage.Empty) ? null : value;
_language = value;
}
}
///
/// Indicates whether the FontFamilyMap is a simple one such as produced
/// by common cases like "Tahoma,Verdana".
///
///
/// A simple family map matches all code points for all languages
/// with no scaling. In other words, all properties except Target
/// have default values.
///
internal bool IsSimpleFamilyMap
{
get
{
return _language == null &&
_scaleInEm == 1.0 &&
_ranges == _defaultRanges;
}
}
internal static bool MatchLanguage(XmlLanguage familyMapLanguage, XmlLanguage language)
{
// If there is no family map langue, the family map applies to any language.
if (familyMapLanguage == null)
{
return true;
}
if (language != null)
{
return familyMapLanguage.RangeIncludes(language);
}
return false;
}
internal static bool MatchCulture(XmlLanguage familyMapLanguage, CultureInfo culture)
{
// If there is no family map langue, the family map applies to any language.
if (familyMapLanguage == null)
{
return true;
}
if (culture != null)
{
return familyMapLanguage.RangeIncludes(culture);
}
return false;
}
internal Range[] Ranges
{
get { return _ranges; }
}
private static void ThrowInvalidUnicodeRange()
{
throw new FormatException(SR.Get(SRID.CompositeFontInvalidUnicodeRange));
}
private static Range[] ParseUnicodeRanges(string unicodeRanges)
{
List ranges = new List(3);
int index = 0;
while (index < unicodeRanges.Length)
{
int firstNum;
if (!ParseHexNumber(unicodeRanges, ref index, out firstNum))
{
ThrowInvalidUnicodeRange();
}
int lastNum = firstNum;
if (index < unicodeRanges.Length)
{
if (unicodeRanges[index] == '?')
{
do
{
firstNum = firstNum * 16;
lastNum = lastNum * 16 + 0x0F;
index++;
} while (
index < unicodeRanges.Length &&
unicodeRanges[index] == '?' &&
lastNum <= LastUnicodeScalar);
}
else if (unicodeRanges[index] == '-')
{
index++; // pass '-' character
if (!ParseHexNumber(unicodeRanges, ref index, out lastNum))
{
ThrowInvalidUnicodeRange();
}
}
}
if (firstNum > lastNum ||
lastNum > LastUnicodeScalar ||
(index
/// helper method to convert a string (written as hex number) into number.
///
internal static bool ParseHexNumber(string numString, ref int index, out int number)
{
while (index= (int)'0' && n <= (int)'9')
{
number = (number * 0x10) + (n - ((int)'0'));
index++;
}
else
{
n |= 0x20; // [A-F] --> [a-f]
if (n >= (int)'a' && n <= (int)'f')
{
number = (number * 0x10) + (n - ((int)'a' - 10));
index++;
}
else
{
break;
}
}
}
bool retValue = index > startIndex;
while (index < numString.Length && numString[index] == ' ')
{
index++;
}
return retValue;
}
internal bool InRange(int ch)
{
for(int i = 0; i < _ranges.Length; i++)
{
Range r = _ranges[i];
if(r.InRange(ch))
return true;
}
return false;
}
///
/// Unicode range
///
internal class Range
{
private int _first;
private uint _delta;
internal Range(
int first,
int last
)
{
Debug.Assert(first <= last);
_first = first;
_delta = (uint)(last - _first); // used in range testing
}
internal bool InRange(int ch)
{
// clever code from Word meaning: "ch >= _first && ch <= _last",
// this is done with one test and branch.
return (uint)(ch - _first) <= _delta;
}
internal int First
{
get { return _first; }
}
internal int Last
{
get { return _first + (int) _delta; }
}
internal uint Delta
{
get { return _delta; }
}
}
}
}
// 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, 2002
//
// File: FamilyMap.cs
//
// Contents: FontFamilyMap implementation
//
// Spec: http://team/sites/Avalon/Specs/Fonts.htm
//
// Created: 5-25-2003 Worachai Chaoweeraprasit (wchao)
//
//-----------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Security;
using System.Globalization;
using System.ComponentModel;
using System.Windows.Markup;
using MS.Internal.FontFace;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
namespace System.Windows.Media
{
///
/// Defines which FontFamily to use for a specified set of Unicode code points and
/// a specified language. The FontFamilyMap also specifies a scale factor, allowing the
/// target FontFamily size to be adjusted to better match the size of other fonts
/// used in the composite font family.
///
public class FontFamilyMap
{
private Range[] _ranges;
private XmlLanguage _language;
private double _scaleInEm;
private string _targetFamilyName;
internal const int LastUnicodeScalar = 0x10ffff;
private static readonly Range[] _defaultRanges = new Range[] { new Range(0, LastUnicodeScalar) };
internal static readonly FontFamilyMap Default = new FontFamilyMap(
0,
LastUnicodeScalar,
null, // any language
null, // Target
1.0 // Scale
);
///
/// Construct a default family map object
///
public FontFamilyMap()
: this(
0,
LastUnicodeScalar,
null, // any language
null, // Target
1.0 // Scale
)
{}
///
/// Construct a Family map object
///
/// first character
/// last character
/// language
/// target family name
/// font scale in EM
internal FontFamilyMap(
int firstChar,
int lastChar,
XmlLanguage language,
string targetFamilyName,
double scaleInEm
)
{
if (firstChar == 0 && lastChar == LastUnicodeScalar)
_ranges = _defaultRanges;
else
_ranges = new Range[]{ new Range(firstChar, lastChar) };
_language = language;
_scaleInEm = scaleInEm;
_targetFamilyName = targetFamilyName;
}
///
/// String of Unicode ranges as a list of 'FirstCode-LastCode' separated by comma
/// e.g. "0000-00ff,00e0-00ef"
///
[DesignerSerializationOptions(DesignerSerializationOptions.SerializeAsAttribute)]
public string Unicode
{
set
{
if (value == null)
throw new ArgumentNullException("value");
_ranges = ParseUnicodeRanges(value);
}
get
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < _ranges.Length; ++i)
{
if (i != 0) sb.Append(',');
sb.AppendFormat(NumberFormatInfo.InvariantInfo, "{0:x4}-{1:x4}", _ranges[i].First, _ranges[i].Last);
}
return sb.ToString();
}
}
///
/// Target font family name in which the ranges map to
///
[DesignerSerializationOptions(DesignerSerializationOptions.SerializeAsAttribute)]
public string Target
{
get
{
return _targetFamilyName;
}
set
{
_targetFamilyName = value;
}
}
///
/// Font scaling factor relative to EM
///
public double Scale
{
get
{
return _scaleInEm;
}
set
{
CompositeFontParser.VerifyPositiveMultiplierOfEm("Scale", ref value);
_scaleInEm = value;
}
}
///
/// Language to which the FontFamilyMap applies.
///
///
/// This property can be a specific language if the FontFamilyMap applies to just that
/// language, a neutral language if it applies to a group of related languages, or
/// the empty string if it applies to any language. The default value is the empty string.
///
public XmlLanguage Language
{
get
{
return _language;
}
set
{
_language = (value == XmlLanguage.Empty) ? null : value;
_language = value;
}
}
///
/// Indicates whether the FontFamilyMap is a simple one such as produced
/// by common cases like "Tahoma,Verdana".
///
///
/// A simple family map matches all code points for all languages
/// with no scaling. In other words, all properties except Target
/// have default values.
///
internal bool IsSimpleFamilyMap
{
get
{
return _language == null &&
_scaleInEm == 1.0 &&
_ranges == _defaultRanges;
}
}
internal static bool MatchLanguage(XmlLanguage familyMapLanguage, XmlLanguage language)
{
// If there is no family map langue, the family map applies to any language.
if (familyMapLanguage == null)
{
return true;
}
if (language != null)
{
return familyMapLanguage.RangeIncludes(language);
}
return false;
}
internal static bool MatchCulture(XmlLanguage familyMapLanguage, CultureInfo culture)
{
// If there is no family map langue, the family map applies to any language.
if (familyMapLanguage == null)
{
return true;
}
if (culture != null)
{
return familyMapLanguage.RangeIncludes(culture);
}
return false;
}
internal Range[] Ranges
{
get { return _ranges; }
}
private static void ThrowInvalidUnicodeRange()
{
throw new FormatException(SR.Get(SRID.CompositeFontInvalidUnicodeRange));
}
private static Range[] ParseUnicodeRanges(string unicodeRanges)
{
List ranges = new List(3);
int index = 0;
while (index < unicodeRanges.Length)
{
int firstNum;
if (!ParseHexNumber(unicodeRanges, ref index, out firstNum))
{
ThrowInvalidUnicodeRange();
}
int lastNum = firstNum;
if (index < unicodeRanges.Length)
{
if (unicodeRanges[index] == '?')
{
do
{
firstNum = firstNum * 16;
lastNum = lastNum * 16 + 0x0F;
index++;
} while (
index < unicodeRanges.Length &&
unicodeRanges[index] == '?' &&
lastNum <= LastUnicodeScalar);
}
else if (unicodeRanges[index] == '-')
{
index++; // pass '-' character
if (!ParseHexNumber(unicodeRanges, ref index, out lastNum))
{
ThrowInvalidUnicodeRange();
}
}
}
if (firstNum > lastNum ||
lastNum > LastUnicodeScalar ||
(index
/// helper method to convert a string (written as hex number) into number.
///
internal static bool ParseHexNumber(string numString, ref int index, out int number)
{
while (index= (int)'0' && n <= (int)'9')
{
number = (number * 0x10) + (n - ((int)'0'));
index++;
}
else
{
n |= 0x20; // [A-F] --> [a-f]
if (n >= (int)'a' && n <= (int)'f')
{
number = (number * 0x10) + (n - ((int)'a' - 10));
index++;
}
else
{
break;
}
}
}
bool retValue = index > startIndex;
while (index < numString.Length && numString[index] == ' ')
{
index++;
}
return retValue;
}
internal bool InRange(int ch)
{
for(int i = 0; i < _ranges.Length; i++)
{
Range r = _ranges[i];
if(r.InRange(ch))
return true;
}
return false;
}
///
/// Unicode range
///
internal class Range
{
private int _first;
private uint _delta;
internal Range(
int first,
int last
)
{
Debug.Assert(first <= last);
_first = first;
_delta = (uint)(last - _first); // used in range testing
}
internal bool InRange(int ch)
{
// clever code from Word meaning: "ch >= _first && ch <= _last",
// this is done with one test and branch.
return (uint)(ch - _first) <= _delta;
}
internal int First
{
get { return _first; }
}
internal int Last
{
get { return _first + (int) _delta; }
}
internal uint Delta
{
get { return _delta; }
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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