//---------------------------------------------------------------------------------------------
public override bool Equals(object obj)
{
TypefaceStyle style = obj as TypefaceStyle;
bool check = false;
if (FFontStyle.Equals(style.FontStyle) && (FFontStretch.Equals(style.FontStretch)) && (FFontWeight.Equals(style.FontWeight)))
{
check = true;
}
return(check);
}
private FontFamily GetMatchingFontFamily(IList <FontFamily> fontFamilies,
FontWeight weight, FontStyle style, FontStretch stretch)
{
if (fontFamilies == null || fontFamilies.Count == 0)
{
return(null);
}
// For a single match...
if (fontFamilies.Count == 1)
{
return(fontFamilies[0]);
}
// 1. Look for a possibility of all properties matching
foreach (FontFamily fontFamily in fontFamilies)
{
// Return the family typeface collection for the font family.
FamilyTypefaceCollection familyTypefaces = fontFamily.FamilyTypefaces;
// Enumerate the family typefaces in the collection.
foreach (FamilyTypeface typeface in familyTypefaces)
{
FontStyle fontStyle = typeface.Style;
FontWeight fontWeight = typeface.Weight;
FontStretch fontStretch = typeface.Stretch;
if (fontStyle.Equals(style) && fontWeight.Equals(weight) && fontStretch.Equals(stretch))
{
return(fontFamily);
}
}
}
// For the defined font style...
if (style != FontStyles.Normal)
{
// Then it is either oblique or italic
FontFamily closeFamily = null;
FontFamily closestFamily = null;
bool isItalic = style.Equals(FontStyles.Italic);
foreach (FontFamily fontFamily in fontFamilies)
{
// Return the family typeface collection for the font family.
FamilyTypefaceCollection familyTypefaces = fontFamily.FamilyTypefaces;
// Enumerate the family typefaces in the collection.
foreach (FamilyTypeface typeface in familyTypefaces)
{
FontStyle fontStyle = typeface.Style;
FontWeight fontWeight = typeface.Weight;
FontStretch fontStretch = typeface.Stretch;
if (fontStyle.Equals(style))
{
closeFamily = fontFamily;
if (closestFamily == null)
{
closestFamily = fontFamily;
}
if (fontStretch.Equals(stretch))
{
closestFamily = fontFamily;
if (fontWeight.Equals(weight))
{
return(fontFamily);
}
}
}
if (closeFamily == null)
{
if (isItalic && fontStyle == FontStyles.Oblique)
{
closeFamily = fontFamily;
}
if (!isItalic && fontStyle == FontStyles.Italic)
{
closeFamily = fontFamily;
}
}
}
if (closestFamily != null)
{
closeFamily = closestFamily;
}
if (closeFamily != null)
{
return(closeFamily);
}
}
}
// For the defined font weights...
if (weight != FontWeights.Normal && weight != FontWeights.Regular)
{
int weightValue = weight.ToOpenTypeWeight();
int selectedValue = int.MaxValue;
FontFamily sameWeightFamily = null;
FontFamily closestFamily = null;
foreach (FontFamily fontFamily in fontFamilies)
{
// Return the family typeface collection for the font family.
FamilyTypefaceCollection familyTypefaces = fontFamily.FamilyTypefaces;
// Enumerate the family typefaces in the collection.
foreach (FamilyTypeface typeface in familyTypefaces)
{
FontStyle fontStyle = typeface.Style;
FontWeight fontWeight = typeface.Weight;
FontStretch fontStretch = typeface.Stretch;
if (fontWeight.Equals(weight))
{
sameWeightFamily = fontFamily;
if (fontStyle.Equals(style))
{
return(fontFamily);
}
}
int weightDiff = Math.Abs(weightValue - fontWeight.ToOpenTypeWeight());
if (weightDiff < selectedValue)
{
closestFamily = fontFamily;
selectedValue = weightDiff;
}
// If the weights matched, but not the style
if (sameWeightFamily != null)
{
return(sameWeightFamily);
}
if (closestFamily != null)
{
return(closestFamily);
}
}
}
}
return(null);
}
