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/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / FontWeight.cs / 1 / FontWeight.cs
//---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // Description: FontWeight structure. // // History: // 01/25/2005 mleonov - Converted FontWeight from enum to a value type and moved it to a separate file. // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows { ////// FontWeight structure describes the degree of blackness or thickness of strokes of characters in a font. /// [TypeConverter(typeof(FontWeightConverter))] [Localizability(LocalizationCategory.None)] public struct FontWeight : IFormattable { internal FontWeight(int weight) { Debug.Assert(1 <= weight && weight <= 999); // We want the default zero value of new FontWeight() to correspond to FontWeights.Normal. // Therefore, the _weight value is shifted by 400 relative to the OpenType weight value. _weight = weight - 400; } ////// Creates a new FontWeight object that corresponds to the OpenType usWeightClass value. /// /// An integer value between 1 and 999 that corresponds /// to the usWeightClass definition in the OpenType specification. ///A new FontWeight object that corresponds to the weightValue parameter. // Important note: when changing this method signature please make sure to update FontWeightConverter accordingly. public static FontWeight FromOpenTypeWeight(int weightValue) { if (weightValue < 1 || weightValue > 999) throw new ArgumentOutOfRangeException("weightValue", SR.Get(SRID.ParameterMustBeBetween, 1, 999)); return new FontWeight(weightValue); } ////// Obtains OpenType usWeightClass value that corresponds to the FontWeight object. /// ///An integer value between 1 and 999 that corresponds /// to the usWeightClass definition in the OpenType specification. // Important note: when changing this method signature please make sure to update FontWeightConverter accordingly. public int ToOpenTypeWeight() { return RealWeight; } ////// Compares two font weight values and returns an indication of their relative values. /// /// First object to compare. /// Second object to compare. ///A 32-bit signed integer indicating the lexical relationship between the two comparands. /// When the return value is less than zero this means that left is less than right. /// When the return value is zero this means that left is equal to right. /// When the return value is greater than zero this means that left is greater than right. /// public static int Compare(FontWeight left, FontWeight right) { return left._weight - right._weight; } ////// Checks whether a font weight is less than another. /// /// First object to compare. /// Second object to compare. ///True if left is less than right, false otherwise. public static bool operator<(FontWeight left, FontWeight right) { return Compare(left, right) < 0; } ////// Checks whether a font weight is less or equal than another. /// /// First object to compare. /// Second object to compare. ///True if left is less or equal than right, false otherwise. public static bool operator<=(FontWeight left, FontWeight right) { return Compare(left, right) <= 0; } ////// Checks whether a font weight is greater than another. /// /// First object to compare. /// Second object to compare. ///True if left is greater than right, false otherwise. public static bool operator>(FontWeight left, FontWeight right) { return Compare(left, right) > 0; } ////// Checks whether a font weight is greater or equal than another. /// /// First object to compare. /// Second object to compare. ///True if left is greater or equal than right, false otherwise. public static bool operator>=(FontWeight left, FontWeight right) { return Compare(left, right) >= 0; } ////// Checks whether two font weight objects are equal. /// /// First object to compare. /// Second object to compare. ///Returns true when the font weight values are equal for both objects, /// and false otherwise. public static bool operator==(FontWeight left, FontWeight right) { return Compare(left, right) == 0; } ////// Checks whether two font weight objects are not equal. /// /// First object to compare. /// Second object to compare. ///Returns false when the font weight values are equal for both objects, /// and true otherwise. public static bool operator!=(FontWeight left, FontWeight right) { return !(left == right); } ////// Checks whether the object is equal to another FontWeight object. /// /// FontWeight object to compare with. ///Returns true when the object is equal to the input object, /// and false otherwise. public bool Equals(FontWeight obj) { return this == obj; } ////// Checks whether an object is equal to another character hit object. /// /// FontWeight object to compare with. ///Returns true when the object is equal to the input object, /// and false otherwise. public override bool Equals(object obj) { if (!(obj is FontWeight)) return false; return this == (FontWeight)obj; } ////// Compute hash code for this object. /// ///A 32-bit signed integer hash code. public override int GetHashCode() { return RealWeight; } ////// Creates a string representation of this object based on the current culture. /// ////// A string representation of this object. /// public override string ToString() { // Delegate to the internal method which implements all ToString calls. return ConvertToString(null, null); } ////// Creates a string representation of this object based on the format string /// and IFormatProvider passed in. /// If the provider is null, the CurrentCulture is used. /// See the documentation for IFormattable for more information. /// ////// A string representation of this object. /// string IFormattable.ToString(string format, IFormatProvider provider) { // Delegate to the internal method which implements all ToString calls. return ConvertToString(format, provider); } ////// Creates a string representation of this object based on the format string /// and IFormatProvider passed in. /// If the provider is null, the CurrentCulture is used. /// See the documentation for IFormattable for more information. /// ////// A string representation of this object. /// private string ConvertToString(string format, IFormatProvider provider) { string convertedValue; if (!FontWeights.FontWeightToString(RealWeight, out convertedValue)) { // This can happen if _weight value is not a multiple of 100. return RealWeight.ToString(provider); } return convertedValue; } ////// We want the default zero value of new FontWeight() to correspond to FontWeights.Normal. /// Therefore, _weight value is shifted by 400 relative to the OpenType weight value. /// private int RealWeight { get { return _weight + 400; } } private int _weight; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // Description: FontWeight structure. // // History: // 01/25/2005 mleonov - Converted FontWeight from enum to a value type and moved it to a separate file. // //--------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows { ////// FontWeight structure describes the degree of blackness or thickness of strokes of characters in a font. /// [TypeConverter(typeof(FontWeightConverter))] [Localizability(LocalizationCategory.None)] public struct FontWeight : IFormattable { internal FontWeight(int weight) { Debug.Assert(1 <= weight && weight <= 999); // We want the default zero value of new FontWeight() to correspond to FontWeights.Normal. // Therefore, the _weight value is shifted by 400 relative to the OpenType weight value. _weight = weight - 400; } ////// Creates a new FontWeight object that corresponds to the OpenType usWeightClass value. /// /// An integer value between 1 and 999 that corresponds /// to the usWeightClass definition in the OpenType specification. ///A new FontWeight object that corresponds to the weightValue parameter. // Important note: when changing this method signature please make sure to update FontWeightConverter accordingly. public static FontWeight FromOpenTypeWeight(int weightValue) { if (weightValue < 1 || weightValue > 999) throw new ArgumentOutOfRangeException("weightValue", SR.Get(SRID.ParameterMustBeBetween, 1, 999)); return new FontWeight(weightValue); } ////// Obtains OpenType usWeightClass value that corresponds to the FontWeight object. /// ///An integer value between 1 and 999 that corresponds /// to the usWeightClass definition in the OpenType specification. // Important note: when changing this method signature please make sure to update FontWeightConverter accordingly. public int ToOpenTypeWeight() { return RealWeight; } ////// Compares two font weight values and returns an indication of their relative values. /// /// First object to compare. /// Second object to compare. ///A 32-bit signed integer indicating the lexical relationship between the two comparands. /// When the return value is less than zero this means that left is less than right. /// When the return value is zero this means that left is equal to right. /// When the return value is greater than zero this means that left is greater than right. /// public static int Compare(FontWeight left, FontWeight right) { return left._weight - right._weight; } ////// Checks whether a font weight is less than another. /// /// First object to compare. /// Second object to compare. ///True if left is less than right, false otherwise. public static bool operator<(FontWeight left, FontWeight right) { return Compare(left, right) < 0; } ////// Checks whether a font weight is less or equal than another. /// /// First object to compare. /// Second object to compare. ///True if left is less or equal than right, false otherwise. public static bool operator<=(FontWeight left, FontWeight right) { return Compare(left, right) <= 0; } ////// Checks whether a font weight is greater than another. /// /// First object to compare. /// Second object to compare. ///True if left is greater than right, false otherwise. public static bool operator>(FontWeight left, FontWeight right) { return Compare(left, right) > 0; } ////// Checks whether a font weight is greater or equal than another. /// /// First object to compare. /// Second object to compare. ///True if left is greater or equal than right, false otherwise. public static bool operator>=(FontWeight left, FontWeight right) { return Compare(left, right) >= 0; } ////// Checks whether two font weight objects are equal. /// /// First object to compare. /// Second object to compare. ///Returns true when the font weight values are equal for both objects, /// and false otherwise. public static bool operator==(FontWeight left, FontWeight right) { return Compare(left, right) == 0; } ////// Checks whether two font weight objects are not equal. /// /// First object to compare. /// Second object to compare. ///Returns false when the font weight values are equal for both objects, /// and true otherwise. public static bool operator!=(FontWeight left, FontWeight right) { return !(left == right); } ////// Checks whether the object is equal to another FontWeight object. /// /// FontWeight object to compare with. ///Returns true when the object is equal to the input object, /// and false otherwise. public bool Equals(FontWeight obj) { return this == obj; } ////// Checks whether an object is equal to another character hit object. /// /// FontWeight object to compare with. ///Returns true when the object is equal to the input object, /// and false otherwise. public override bool Equals(object obj) { if (!(obj is FontWeight)) return false; return this == (FontWeight)obj; } ////// Compute hash code for this object. /// ///A 32-bit signed integer hash code. public override int GetHashCode() { return RealWeight; } ////// Creates a string representation of this object based on the current culture. /// ////// A string representation of this object. /// public override string ToString() { // Delegate to the internal method which implements all ToString calls. return ConvertToString(null, null); } ////// Creates a string representation of this object based on the format string /// and IFormatProvider passed in. /// If the provider is null, the CurrentCulture is used. /// See the documentation for IFormattable for more information. /// ////// A string representation of this object. /// string IFormattable.ToString(string format, IFormatProvider provider) { // Delegate to the internal method which implements all ToString calls. return ConvertToString(format, provider); } ////// Creates a string representation of this object based on the format string /// and IFormatProvider passed in. /// If the provider is null, the CurrentCulture is used. /// See the documentation for IFormattable for more information. /// ////// A string representation of this object. /// private string ConvertToString(string format, IFormatProvider provider) { string convertedValue; if (!FontWeights.FontWeightToString(RealWeight, out convertedValue)) { // This can happen if _weight value is not a multiple of 100. return RealWeight.ToString(provider); } return convertedValue; } ////// We want the default zero value of new FontWeight() to correspond to FontWeights.Normal. /// Therefore, _weight value is shifted by 400 relative to the OpenType weight value. /// private int RealWeight { get { return _weight + 400; } } private int _weight; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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