/// <summary>
/// Returns the line spacing, in design units, of the FontFamily object of the specified style.
/// The line spacing is the vertical distance between the base lines of two consecutive lines of text.
/// </summary>
public int GetLineSpacing(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.LineSpacing;
return(result);
}
/// <summary>
/// Returns the cell descent, in design units, of the XFontFamily object of the specified style.
/// </summary>
public int GetCellDescent(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.Descender;
return(result);
}
/// <summary>
/// Returns the cell descent, in design units, of the XFontFamily object of the specified style.
/// </summary>
public int GetCellDescent(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.Descender;
#if DEBUG_ && GDI
int gdiValue = _gdiFamily.GetCellDescent((FontStyle)style);
Debug.Assert(gdiValue == result);
#endif
return(result);
}
/// <summary>
/// Gets the height, in font design units, of the em square for the specified style.
/// </summary>
public int GetEmHeight(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.UnitsPerEm;
#if DEBUG_
int headValue = descriptor.FontFace.head.unitsPerEm;
Debug.Assert(headValue == result);
#endif
return(result);
}
/// <summary>
/// Returns the line spacing, in design units, of the FontFamily object of the specified style.
/// The line spacing is the vertical distance between the base lines of two consecutive lines of text.
/// </summary>
public int GetLineSpacing(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.LineSpacing;
#if DEBUG_ && GDI
int gdiValue = _gdiFamily.GetLineSpacing((FontStyle)style);
Debug.Assert(gdiValue == result);
#endif
#if DEBUG_ && WPF && !SILVERLIGHT
int wpfValue = (int)Math.Round(_wpfFamily.LineSpacing * GetEmHeight(style));
Debug.Assert(wpfValue == result);
#endif
return(result);
}
/// <summary>
/// Gets the height, in font design units, of the em square for the specified style.
/// </summary>
public int GetEmHeight(XFontStyle style)
{
OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
int result = descriptor.UnitsPerEm;
//#if DEBUG_ && GDI
//int gdiValue = _gdiFamily.GetEmHeight((FontStyle)style);
//Debug.Assert(gdiValue == result);
//#endif
//#if DEBUG_
// int headValue = descriptor.FontFace.head.unitsPerEm;
// Debug.Assert(headValue == result);
//#endif
return(result);
}
public PDFType0Font(PDFDocument document, string idName, byte[] fontData, bool vertical)
: base(document)
{
Elements.SetName(Keys.Type, "/Font");
Elements.SetName(Keys.Subtype, "/Type0");
Elements.SetName(Keys.Encoding, vertical ? "/Identity-V" : "/Identity-H");
OpenTypeDescriptor ttDescriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(idName, fontData);
FontDescriptor = new PDFFontDescriptor(document, ttDescriptor);
FontOptions = new XPDFFontOptions(PDFFontEncoding.Unicode);
Debug.Assert(FontOptions != null);
_cmapInfo = new CMapInfo(ttDescriptor);
DescendantFont = new PDFCIDFont(document, FontDescriptor, fontData)
{
CMapInfo = _cmapInfo
};
// Create ToUnicode map
_toUnicode = new PDFToUnicodeMap(document, _cmapInfo);
document.Internals.AddObject(_toUnicode);
Elements.Add(Keys.ToUnicode, _toUnicode);
//BaseFont = ttDescriptor.FontName.Replace(" ", "");
BaseFont = ttDescriptor.FontName;
// CID fonts are always embedded
if (!BaseFont.Contains("+")) // HACK in PDFType0Font
{
BaseFont = CreateEmbeddedFontSubsetName(BaseFont);
}
FontDescriptor.FontName = BaseFont;
DescendantFont.BaseFont = BaseFont;
PDFArray descendantFonts = new PDFArray(document);
Owner.IrefTable.Add(DescendantFont);
descendantFonts.Elements.Add(DescendantFont.Reference);
Elements[Keys.DescendantFonts] = descendantFonts;
}