public override bool AddChar(int code, int FallbackLevel)
{
bool Result = FTrueTypeData.HasGlyph(code);
if (!Result)
{
TPdfFont Fallbk = FallbackFont(FallbackLevel);
if (Fallbk != null)
{
if (Fallbk.AddChar(code, FallbackLevel + 1))
{
return(true);
}
}
}
if (Result || FallbackLevel == 0)
{
int ccode = FTrueTypeData.Glyph(code, true);
int newcode = EmbeddedData.GetNewGlyphFromOldGlyph(ccode);
UsedChars.Add((char)newcode, FTrueTypeData.GlyphWidth(ccode));
ToUnicodeData.Add(newcode, (int)code);
}
return(Result);
}
public static void UnicodeWrite(TPdfStream DataStream, string Text, TPdfFont aFont)
{
byte[] Buffer = null;
Buffer = aFont.EncodeString(Text);
Byte[] Buff2 = TPdfStringRecord.EscapeString(Buffer);
DataStream.Write(Buff2);
}
internal TPdfFont SelectFont(TPdfStream DataStream, TFontMapping Mapping, Font aFont, string s, TFontEmbed aEmbed, TFontSubset aSubset, bool aUseKerning,
ref string LastFont)
{
TPdfFont Result = GetFont(Mapping, aFont, s, aEmbed, aSubset, aUseKerning);
Result.AddString(s);
Result.Select(DataStream, aFont.SizeInPoints, ref LastFont);
return Result;
}
private static void WriteSimpleString(TPdfStream DataStream, string Text, TPdfFont aFont, string EndNewText)
{
if (Text == null || Text.Length == 0)
{
return;
}
Write(DataStream, TPdfTokens.GetString(TPdfToken.OpenString));
UnicodeWrite(DataStream, Text, aFont);
Write(DataStream, TPdfTokens.GetString(TPdfToken.CloseString));
TPdfBaseRecord.WriteLine(DataStream, EndNewText);
}
protected TPdfFont FallbackFont(int FallbackLevel)
{
if (FallbackLevel > 0)
{
return(Resources.CreateFallbackFont(FallbackLevel, FFontStyle, FUseKerning));
}
if (FFallbackFont == null)
{
FFallbackFont = Resources.CreateFallbackFont(FallbackLevel, FFontStyle, FUseKerning);
}
return(FFallbackFont);
}
internal void SaveObjects(TPdfStream DataStream, TXRefSection XRef)
{
if (Fonts.Count > 0)
{
foreach (string s in Fonts.OrderedKeys)
{
TPdfFont pf = ((TPdfFont)Fonts[s]);
if (pf.UsedInDoc) pf.WriteFontObject(DataStream, XRef);
}
}
int aCount = Images.Count;
for (int i = 0; i < aCount; i++)
{
Images[i].WriteImageObject(DataStream, XRef);
}
aCount = HatchPatterns.Count;
for (int i = 0; i < aCount; i++)
{
HatchPatterns[i].WritePatternObject(DataStream, XRef);
}
if (aCount > 0)
{
TPdfHatch.WriteColorSpaceObject(DataStream, XRef, PatternColorSpaceId);
}
aCount = ImageTexturePatterns.Count;
for (int i = 0; i < aCount; i++)
{
ImageTexturePatterns[i].WritePatternObject(DataStream, XRef);
}
aCount = GradientPatterns.Count;
for (int i = 0; i < aCount; i++)
{
GradientPatterns[i].WritePatternObject(DataStream, XRef);
}
aCount = Functions.Count;
for (int i = 0; i < aCount; i++)
{
Functions[i].WriteFunctionObject(DataStream, XRef, FCompress);
}
aCount = GStates.Count;
for (int i = 0; i < aCount; i++)
{
GStates[i].WriteGStateObject(DataStream, XRef);
}
}
public override TPdfFont Fallback(char c, int FallbackLevel)
{
if (FTrueTypeData.HasGlyph((int)c))
{
return(this);
}
TPdfFont Fallbk = FallbackFont(FallbackLevel);
if (Fallbk != null)
{
return(Fallbk.Fallback(c, FallbackLevel + 1));
}
return(null);
}
public override TPdfFont Fallback(char c, int FallbackLevel)
{
if (CharUtils.IsWin1252((int)c))
{
return(this);
}
TPdfFont Fallbk = FallbackFont(FallbackLevel);
if (Fallbk != null)
{
return(Fallbk.Fallback(c, FallbackLevel + 1));
}
return(null);
}
public TPdfFont CreateFallbackFont(int FallbackLevel, FontStyle aFontStyle, bool aUseKerning)
{
if (FFallbackFontList == null || FFallbackFontList.Length <= FallbackLevel) return null; //no fallback.
#if (!WPF)
using (
#endif
Font aFont = new Font(FFallbackFontList[FallbackLevel], 10, aFontStyle)
#if (WPF)
;
#else
)
#endif
{
TPdfFont Result = GetFont(TFontMapping.DontReplaceFonts, aFont, true, TFontEmbed.Embed, TFontSubset.Subset, aUseKerning);
return Result;
}
}
internal TPdfFont GetFont(TFontMapping Mapping, Font aFont, bool NeedsUnicode, TFontEmbed aEmbed, TFontSubset aSubset, bool aUseKerning)
{
string key = GetKey(aFont, NeedsUnicode);
TPdfFont SearchFont;
if (Fonts.ContainsKey(key))
{
SearchFont = ((TPdfFont)Fonts[key]);
}
else
{
SearchFont = TPdfFont.CreateInstance(Mapping, aFont, NeedsUnicode, Fonts.Count, aEmbed, aSubset, FCompress, aUseKerning, FFontEvents, EmbeddedFontList, this);
Fonts.Add(key, SearchFont);
}
return SearchFont;
}
public static void WriteStringInStream(TPdfStream DataStream, string Text, real FontSize, TPdfFont aFont, ref string LastFont, string EndNewText, string StartNewText2, string EndNewText2, TTracedFonts TracedFonts)
{
TPdfFont LastFallbackFont = aFont;
int StartText = 0;
int TLen = Text.Length;
for (int i = 0; i <= TLen; i++)
{
TPdfFont FallbackFont = null;
if (i < TLen)
{
FallbackFont = aFont.Fallback(Text[i], 0);
if (FallbackFont == null)
{
FallbackFont = aFont;
}
}
if (FallbackFont != LastFallbackFont)
{
WriteSimpleString(DataStream, Text.Substring(StartText, i - StartText), LastFallbackFont, EndNewText);
StartText = i;
if (FallbackFont != null)
{
TPdfBaseRecord.Write(DataStream, EndNewText2);
FallbackFont.Select(DataStream, FontSize, ref LastFont);
if (FlexCelTrace.HasListeners && FallbackFont != aFont && !TracedFonts.ContainsKey(aFont.FontName + ";" + FallbackFont.FontName))
{
TracedFonts.Add(aFont.FontName + ";" + FallbackFont.FontName, String.Empty);
FlexCelTrace.Write(new TPdfUsedFallbackFontError(FlxMessages.GetString(FlxErr.ErrUsedFallbackFont, aFont.FontName, FallbackFont.FontName), aFont.FontName, FallbackFont.FontName));
}
TPdfBaseRecord.Write(DataStream, StartNewText2);
LastFallbackFont = FallbackFont;
}
}
}
}
public override real MeasureString(string s)
{
real Result = 0;
int[] b = new int[s.Length];
bool[] ignore = new bool[s.Length];
for (int i = 0; i < b.Length; i++)
{
TPdfFont f = Fallback(s[i], 0);
if (f != this && f != null)
{
Result += f.MeasureString(new String(s[i], 1));
ignore[i] = true;
b[i] = 0;
}
else
{
b[i] = FTrueTypeData.Glyph(s[i], true);
}
}
return(Result + FTrueTypeData.MeasureString(b, ignore));
}
private void SaveFonts(TPdfStream DataStream, TXRefSection XRef)
{
int aCount = Fonts.Count;
if (aCount <= 0) return;
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.BeginDictionary(DataStream);
Fonts.CreateOrderedKeys();
foreach (string s in Fonts.Keys)
{
Fonts.OrderedKeys.Add(s);
}
Fonts.OrderedKeys.Sort(); //to keep the reference pdfs always the same.
foreach (string s in Fonts.OrderedKeys)
{
TPdfFont pf = ((TPdfFont)Fonts[s]);
if (pf.UsedInDoc) pf.WriteFont(DataStream, XRef);
}
TDictionaryRecord.EndDictionary(DataStream);
}
public override bool AddChar(int code, int FallbackLevel)
{
bool Result = FTrueTypeData.HasGlyph(code);
if (!Result)
{
TPdfFont Fallbk = FallbackFont(FallbackLevel);
if (Fallbk != null)
{
if (Fallbk.AddChar(code, FallbackLevel + 1))
{
return(true);
}
}
}
if (Result || FallbackLevel == 0)
{
//characters on winansi are NOT the same than low byte unicode.f.i. char 0x92 is not defined in unicode.
byte acode = CharUtils.GetWin1252Bytes_PDF(code);
if (FirstChar < 0 || acode < FirstChar)
{
FirstChar = acode;
}
if (acode > LastChar)
{
LastChar = acode;
}
if (Embed && Subset)
{
EmbeddedData.AddGlyphFromChar(code);
}
}
return(Result);
}
public override real MeasureString(string s)
{
real Result = 0;
//Here we don't have chars > 255, so there are no unicode surrogates.
int[] bi = new int[s.Length];
bool[] ignore = new bool[s.Length];
for (int i = 0; i < s.Length; i++)
{
TPdfFont f = Fallback(s[i], 0);
if (f != this && f != null)
{
Result += f.MeasureString(new String(s[i], 1));
ignore[i] = true;
bi[i] = 0;
}
else
{
bi[i] = FTrueTypeData.Glyph(s[i], true); //This returns the Glyph for an unicode character, so s[i] is ok. (s is unicode)
}
}
return(Result + FTrueTypeData.MeasureString(bi, ignore));
}
