public CharacterBoundingBox GetBoundingBox(int characterCode)
{
if (boundingBoxCache.TryGetValue(characterCode, out var cached))
{
return(cached);
}
var matrix = GetFontMatrix();
var boundingBox = GetBoundingBoxInGlyphSpace(characterCode);
boundingBox = matrix.Transform(boundingBox);
var characterIdentifier = CMap.ConvertToCid(characterCode);
var width = CidFont.GetWidthFromFont(characterIdentifier);
var advanceWidth = matrix.TransformX(width);
var result = new CharacterBoundingBox(boundingBox, advanceWidth);
boundingBoxCache[characterCode] = result;
return(result);
}
public decimal GetWidth(int characterCode)
{
var cid = CMap.ConvertToCid(characterCode);
var fromFont = CidFont.GetWidthFromDictionary(cid);
return(fromFont);
}
public CharacterBoundingBox GetBoundingBox(int characterCode)
{
var matrix = GetFontMatrix();
var boundingBox = GetBoundingBoxInGlyphSpace(characterCode);
boundingBox = matrix.Transform(boundingBox);
var characterIdentifier = CMap.ConvertToCid(characterCode);
var width = CidFont.GetWidthFromFont(characterIdentifier);
var advanceWidth = matrix.Transform(new PdfPoint(width, 0)).X;
return(new CharacterBoundingBox(boundingBox, advanceWidth));
}
// Note. Make this constructor protected. Only PdfFontFactory (kernel level) will
// be able to create Type0 font based on predefined font.
// Or not? Possible it will be convenient construct PdfType0Font based on custom CidFont.
// There is no typography features in CJK fonts.
internal PdfType0Font(CidFont font, String cmap)
: base()
{
if (!CidFontProperties.IsCidFont(font.GetFontNames().GetFontName(), cmap))
{
throw new PdfException("Font {0} with {1} encoding is not a cjk font.").SetMessageParams(font.GetFontNames
().GetFontName(), cmap);
}
this.fontProgram = font;
vertical = cmap.EndsWith("V");
String uniMap = GetCompatibleUniMap(fontProgram.GetRegistry());
cmapEncoding = new CMapEncoding(cmap, uniMap);
longTag = new SortedSet <int>();
cidFontType = CID_FONT_TYPE_0;
}
internal PdfType0Font(CidFont font, String cmap)
: base()
{
// Note. Make this constructor protected. Only PdfFontFactory (kernel level) will
// be able to create Type0 font based on predefined font.
// Or not? Possible it will be convenient construct PdfType0Font based on custom CidFont.
// There is no typography features in CJK fonts.
if (!CidFontProperties.IsCidFont(font.GetFontNames().GetFontName(), cmap))
{
throw new PdfException("font.1.with.2.encoding.is.not.a.cjk.font").SetMessageParams(font.GetFontNames().GetFontName
(), cmap);
}
this.fontProgram = font;
vertical = cmap.EndsWith("V");
String uniMap = GetCompatibleUniMap(fontProgram.GetRegistry());
cmapEncoding = new CMapEncoding(cmap, uniMap);
longTag = new LinkedDictionary <int, int[]>();
cidFontType = CID_FONT_TYPE_0;
}
public PdfVector GetDisplacementVector(int characterCode)
{
var characterIdentifier = CMap.ConvertToCid(characterCode);
return(CidFont.GetDisplacementVector(characterIdentifier).Scale(1 / 1000.0));
}
public PdfVector GetPositionVector(int characterCode)
{
var characterIdentifier = CMap.ConvertToCid(characterCode);
return(CidFont.GetPositionVector(characterIdentifier).Scale(-1 / 1000.0));
}
public PdfRectangle GetBoundingBoxInGlyphSpace(int characterCode)
{
var characterIdentifier = CMap.ConvertToCid(characterCode);
return(CidFont.GetBoundingBox(characterIdentifier));
}
