public override bool Equals(object o)
{
ShapeTypeface t = o as ShapeTypeface;
if (t == null)
{
return(false);
}
if (_deviceFont == null)
{
if (t._deviceFont != null)
{
return(false);
}
}
else
{
if (t._deviceFont == null || t._deviceFont.Name != _deviceFont.Name)
{
return(false);
}
}
return(_glyphTypeface.Equals(t._glyphTypeface));
}
internal ScaledShapeTypeface(
GlyphTypeface glyphTypeface,
IDeviceFont deviceFont,
double scaleInEm,
bool nullShape
)
{
_shapeTypeface = new ShapeTypeface(glyphTypeface, deviceFont);
_scaleInEm = scaleInEm;
_nullShape = nullShape;
}
internal void GetShapeableText(
Typeface typeface,
CharacterBufferReference characterBufferReference,
int stringLength,
TextRunProperties textRunProperties,
CultureInfo digitCulture,
bool isRightToLeftParagraph,
IList <TextShapeableSymbols> shapeableList,
IShapeableTextCollector collector,
TextFormattingMode textFormattingMode
)
{
if (!typeface.Symbol)
{
Lookup(typeface).GetShapeableText(
characterBufferReference,
stringLength,
textRunProperties,
digitCulture,
isRightToLeftParagraph,
shapeableList,
collector,
textFormattingMode
);
}
else
{
// It's a non-Unicode ("symbol") font, where code points have non-standard meanings. We
// therefore want to bypass the usual itemization and font linking. Instead, just map
// everything to the default script and first GlyphTypeface.
ShapeTypeface shapeTypeface = new ShapeTypeface(
typeface.TryGetGlyphTypeface(),
null // device font
);
collector.Add(
shapeableList,
new CharacterBufferRange(characterBufferReference, stringLength),
textRunProperties,
new MS.Internal.Text.TextInterface.ItemProps(),
shapeTypeface,
1.0, // scale in Em
false, // null shape
textFormattingMode
);
}
}
internal void GetShapeableText(
Typeface typeface,
CharacterBufferReference characterBufferReference,
int stringLength,
TextRunProperties textRunProperties,
CultureInfo digitCulture,
bool isRightToLeftParagraph,
IList<TextShapeableSymbols> shapeableList,
IShapeableTextCollector collector,
TextFormattingMode textFormattingMode
)
{
if (!typeface.Symbol)
{
Lookup(typeface).GetShapeableText(
characterBufferReference,
stringLength,
textRunProperties,
digitCulture,
isRightToLeftParagraph,
shapeableList,
collector,
textFormattingMode
);
}
else
{
// It's a non-Unicode ("symbol") font, where code points have non-standard meanings. We
// therefore want to bypass the usual itemization and font linking. Instead, just map
// everything to the default script and first GlyphTypeface.
ShapeTypeface shapeTypeface = new ShapeTypeface(
typeface.TryGetGlyphTypeface(),
null // device font
);
collector.Add(
shapeableList,
new CharacterBufferRange(characterBufferReference, stringLength),
textRunProperties,
new MS.Internal.Text.TextInterface.ItemProps(),
shapeTypeface,
1.0, // scale in Em
false, // null shape
textFormattingMode
);
}
}
/// <summary>
/// Construct a shapeable characters object
/// </summary>
/// <remarks>
/// The shapeTypeface parameter can be null if and only if CheckFastPathNominalGlyphs
/// has previously returned true.
/// </remarks>
internal TextShapeableCharacters(
CharacterBufferRange characterRange,
TextRunProperties properties,
double emSize,
ItemProps textItem,
ShapeTypeface shapeTypeface,
bool nullShape,
TextFormattingMode textFormattingMode,
bool isSideways
)
{
_isSideways = isSideways;
_textFormattingMode = textFormattingMode;
_characterBufferRange = characterRange;
_properties = properties;
_emSize = emSize;
_textItem = textItem;
_shapeTypeface = shapeTypeface;
_nullShape = nullShape;
}
/// <summary>
/// Add shapeable text object to the list
/// </summary>
void IShapeableTextCollector.Add(
IList<TextShapeableSymbols> shapeables,
CharacterBufferRange characterBufferRange,
TextRunProperties textRunProperties,
MS.Internal.Text.TextInterface.ItemProps textItem,
ShapeTypeface shapeTypeface,
double emScale,
bool nullShape,
TextFormattingMode textFormattingMode
)
{
Debug.Assert(shapeables != null);
shapeables.Add(
new TextShapeableCharacters(
characterBufferRange,
textRunProperties,
textRunProperties.FontRenderingEmSize * emScale,
textItem,
shapeTypeface,
nullShape,
textFormattingMode,
false
)
);
}
internal ScaledShapeTypeface(
GlyphTypeface glyphTypeface,
IDeviceFont deviceFont,
double scaleInEm,
bool nullShape
)
{
_shapeTypeface = new ShapeTypeface(glyphTypeface, deviceFont);
_scaleInEm = scaleInEm;
_nullShape = nullShape;
}