/**
* Gets an attribute. The search is made in <CODE>attributes</CODE>
* and <CODE>noStroke</CODE>.
* @param name the attribute key
* @return the attribute value or null if not found
*/
internal Object getAttribute(string name)
{
if (attributes.ContainsKey(name))
{
return(attributes[name]);
}
return(noStroke[name]);
}
/**
* Checks if the attribute exists.
* @param name the attribute key
* @return <CODE>true</CODE> if the attribute exists
*/
internal bool isAttribute(string name)
{
if (attributes.ContainsKey(name))
{
return(true);
}
return(noStroke.ContainsKey(name));
}
/// <summary>
/// This method gets called when a start tag is encountered.
/// </summary>
/// <param name="uri"></param>
/// <param name="lname"></param>
/// <param name="name">the name of the tag that is encountered</param>
/// <param name="attrs">the list of attributes</param>
public override void startElement(String uri, String lname, String name, Hashtable attrs)
{
if (myTags.ContainsKey(name))
{
XmlPeer peer = (XmlPeer)myTags[name];
handleStartingTags(peer.Tag, peer.getAttributes(attrs));
}
else
{
Properties attributes = new Properties();
if (attrs != null)
{
foreach (string key in attrs.Keys)
{
attributes.Add(key, (string)attrs[key]);
}
}
handleStartingTags(name, attributes);
}
}
protected void flatGlyphs()
{
int[] tableLocation;
tableLocation = (int[])tableDirectory["glyf"];
if (tableLocation == null)
{
throw new DocumentException("Table 'glyf' does not exist in " + fileName);
}
int glyph0 = 0;
if (!glyphsUsed.ContainsKey(glyph0))
{
glyphsUsed.Add(glyph0, null);
glyphsInList.Add(glyph0);
}
tableGlyphOffset = tableLocation[TABLE_OFFSET];
for (int k = 0; k < glyphsInList.Count; ++k)
{
int glyph = (int)glyphsInList[k];
checkGlyphComposite(glyph);
}
}
internal void writeAllVisited()
{
while (nextRound.Count > 0)
{
ArrayList vec = nextRound;
nextRound = new ArrayList();
for (int k = 0; k < vec.Count; ++k)
{
int i = (int)vec[k];
if (!visited.ContainsKey(i))
{
visited.Add(i, null);
int n = i;
writer.addToBody(xrefObj[n], myXref[n]);
}
}
}
}
/**
* Constructs a <CODE>PdfChunk</CODE>-object.
*
* @param chunk the original <CODE>Chunk</CODE>-object
* @param action the <CODE>PdfAction</CODE> if the <CODE>Chunk</CODE> comes from an <CODE>Anchor</CODE>
*/
internal PdfChunk(Chunk chunk, PdfAction action)
{
value = chunk.Content;
iTextSharp.text.Font f = chunk.Font;
float size = f.Size;
if (size == iTextSharp.text.Font.UNDEFINED)
{
size = 12;
}
BaseFont bf = f.BaseFont;
int family;
int style = f.Style;
if (bf == null)
{
// translation of the font-family to a PDF font-family
if (style == iTextSharp.text.Font.UNDEFINED)
{
style = iTextSharp.text.Font.NORMAL;
}
switch (f.Family)
{
case iTextSharp.text.Font.COURIER:
switch (style & iTextSharp.text.Font.BOLDITALIC)
{
case iTextSharp.text.Font.BOLD:
family = PdfFont.COURIER_BOLD;
break;
case iTextSharp.text.Font.ITALIC:
family = PdfFont.COURIER_OBLIQUE;
break;
case iTextSharp.text.Font.BOLDITALIC:
family = PdfFont.COURIER_BOLDOBLIQUE;
break;
default:
case iTextSharp.text.Font.NORMAL:
family = PdfFont.COURIER;
break;
}
break;
case iTextSharp.text.Font.TIMES_NEW_ROMAN:
switch (style & iTextSharp.text.Font.BOLDITALIC)
{
case iTextSharp.text.Font.BOLD:
family = PdfFont.TIMES_BOLD;
break;
case iTextSharp.text.Font.ITALIC:
family = PdfFont.TIMES_ITALIC;
break;
case iTextSharp.text.Font.BOLDITALIC:
family = PdfFont.TIMES_BOLDITALIC;
break;
default:
case iTextSharp.text.Font.NORMAL:
family = PdfFont.TIMES_ROMAN;
break;
}
break;
case iTextSharp.text.Font.SYMBOL:
family = PdfFont.SYMBOL;
break;
case iTextSharp.text.Font.ZAPFDINGBATS:
family = PdfFont.ZAPFDINGBATS;
break;
default:
case iTextSharp.text.Font.HELVETICA:
switch (style & iTextSharp.text.Font.BOLDITALIC)
{
case iTextSharp.text.Font.BOLD:
family = PdfFont.HELVETICA_BOLD;
break;
case iTextSharp.text.Font.ITALIC:
family = PdfFont.HELVETICA_OBLIQUE;
break;
case iTextSharp.text.Font.BOLDITALIC:
family = PdfFont.HELVETICA_BOLDOBLIQUE;
break;
default:
case iTextSharp.text.Font.NORMAL:
family = PdfFont.HELVETICA;
break;
}
break;
}
// creation of the PdfFont with the right size
font = new PdfFont(family, size);
}
else
{
// bold simulation
if ((style & iTextSharp.text.Font.BOLD) != 0)
{
attributes.Add(Chunk.TEXTRENDERMODE, new Object[] { PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE, size / 30f, null });
}
// italic simulation
if ((style & iTextSharp.text.Font.ITALIC) != 0)
{
attributes.Add(Chunk.SKEW, new float[] { 0, ITALIC_ANGLE });
}
font = new PdfFont(bf, size);
}
// other style possibilities
Hashmap attr = chunk.Attributes;
if (attr != null)
{
foreach (string name in attr.Keys)
{
if (keysAttributes.ContainsKey(name))
{
attributes.Add(name, attr[name]);
}
else if (keysNoStroke.ContainsKey(name))
{
noStroke.Add(name, attr[name]);
}
}
if ("".Equals(attr[Chunk.GENERICTAG]))
{
attributes.Add(Chunk.GENERICTAG, chunk.Content);
}
}
if (f.isUnderlined())
{
attributes.Add(Chunk.UNDERLINE, null);
}
if (f.isStrikethru())
{
attributes.Add(Chunk.STRIKETHRU, null);
}
if (action != null)
{
attributes.Add(Chunk.ACTION, action);
}
// the color can't be stored in a PdfFont
noStroke.Add(Chunk.COLOR, f.Color);
noStroke.Add(Chunk.ENCODING, font.Font.Encoding);
Object[] obj = (Object[])attributes[Chunk.IMAGE];
if (obj == null)
{
image = null;
}
else
{
image = (Image)obj[0];
offsetX = ((float)obj[1]);
offsetY = ((float)obj[2]);
changeLeading = bool.Parse(obj[3].ToString());
}
font.Image = image;
encoding = font.Font.Encoding;
splitCharacter = (ISplitCharacter)noStroke[Chunk.SPLITCHARACTER];
if (splitCharacter == null)
{
splitCharacter = this;
}
}
/** Creates a new font. This font can be one of the 14 built in types,
* a Type1 font referred by an AFM file, a TrueType font (simple or collection) or a CJK font from the
* Adobe Asian Font Pack. TrueType fonts and CJK fonts can have an optional style modifier
* appended to the name. These modifiers are: Bold, Italic and BoldItalic. An
* example would be "STSong-Light,Bold". Note that this modifiers do not work if
* the font is embedded. Fonts in TrueType collections are addressed by index such as "msgothic.ttc,1".
* This would get the second font (indexes start at 0), in this case "MS PGothic".
* <P>
* The fonts may or may not be cached depending on the flag <CODE>cached</CODE>.
* If the <CODE>byte</CODE> arrays are present the font will be
* read from them instead of the name. The name is still required to identify
* the font type.
* @param name the name of the font or it's location on file
* @param encoding the encoding to be applied to this font
* @param embedded true if the font is to be embedded in the PDF
* @param cached true if the font comes from the cache or is added to
* the cache if new. false if the font is always created new
* @param ttfAfm the true type font or the afm in a byte array
* @param pfb the pfb in a byte array
* @return returns a new font. This font may come from the cache but only if cached
* is true, otherwise it will always be created new
* @throws DocumentException the font is invalid
* @throws IOException the font file could not be read
*/
public static BaseFont createFont(string name, string encoding, bool embedded, bool cached, byte[] ttfAfm, byte[] pfb)
{
string nameBase = getBaseName(name);
encoding = normalizeEncoding(encoding);
bool isBuiltinFonts14 = BuiltinFonts14.ContainsKey(name);
bool isCJKFont = isBuiltinFonts14 ? false : CJKFont.isCJKFont(nameBase, encoding);
if (isBuiltinFonts14 || isCJKFont)
{
embedded = false;
}
else if (encoding.Equals(IDENTITY_H) || encoding.Equals(IDENTITY_V))
{
embedded = true;
}
BaseFont fontFound = null;
BaseFont fontBuilt = null;
string key = name + "\n" + encoding + "\n" + embedded;
if (cached)
{
lock (fontCache) {
fontFound = (BaseFont)fontCache[key];
}
if (fontFound != null)
{
return(fontFound);
}
}
if (isBuiltinFonts14 || name.ToLower().EndsWith(".afm"))
{
fontBuilt = new Type1Font(name, encoding, embedded, ttfAfm, pfb);
fontBuilt.fastWinansi = encoding.Equals(CP1252);
}
else if (nameBase.ToLower().EndsWith(".ttf") || nameBase.ToLower().IndexOf(".ttc,") > 0)
{
if (encoding.Equals(IDENTITY_H) || encoding.Equals(IDENTITY_V))
{
fontBuilt = new TrueTypeFontUnicode(name, encoding, embedded, ttfAfm);
}
else
{
fontBuilt = new TrueTypeFont(name, encoding, embedded, ttfAfm);
fontBuilt.fastWinansi = encoding.Equals(CP1252);
}
}
else if (nameBase.ToLower().EndsWith(".otf"))
{
fontBuilt = new TrueTypeFont(name, encoding, embedded, ttfAfm);
fontBuilt.fastWinansi = encoding.Equals(CP1252);
}
else if (isCJKFont)
{
fontBuilt = new CJKFont(name, encoding, embedded);
}
else
{
throw new DocumentException("Font '" + name + "' with '" + encoding + "' is not recognized.");
}
if (cached)
{
lock (fontCache) {
fontFound = (BaseFont)fontCache[key];
if (fontFound != null)
{
return(fontFound);
}
fontCache.Add(key, fontBuilt);
}
}
return(fontBuilt);
}
/** Converts the text into bytes to be placed in the document.
* The conversion is done according to the font and the encoding and the characters
* used are stored.
* @param text the text to convert
* @return the conversion
*/
internal byte[] convertToBytes(string text)
{
byte[] b = null;
switch (fontType)
{
case BaseFont.FONT_TYPE_T1:
case BaseFont.FONT_TYPE_TT: {
b = baseFont.convertToBytes(text);
int len = b.Length;
for (int k = 0; k < len; ++k)
{
shortTag[((int)b[k]) & 0xff] = 1;
}
break;
}
case BaseFont.FONT_TYPE_CJK: {
int len = text.Length;
for (int k = 0; k < len; ++k)
{
cjkTag[cjkFont.getCidCode(text[k])] = 0;
}
b = baseFont.convertToBytes(text);
break;
}
case BaseFont.FONT_TYPE_TTUNI: {
try {
int len = text.Length;
int[] metrics = null;
char[] glyph = new char[len];
int i = 0;
if (symbolic)
{
b = PdfEncodings.convertToBytes(text, BaseFont.WINANSI);
len = b.Length;
for (int k = 0; k < len; ++k)
{
metrics = ttu.getMetricsTT(b[k] & 0xff);
if (metrics == null)
{
continue;
}
longTag.Add(metrics[0], new int[] { metrics[0], metrics[1], ttu.getUnicodeDifferences(b[k] & 0xff) });
glyph[i++] = (char)metrics[0];
}
}
else
{
for (int k = 0; k < len; ++k)
{
char c = text[k];
metrics = ttu.getMetricsTT(c);
if (metrics == null)
{
continue;
}
int m0 = metrics[0];
int gl = m0;
if (!longTag.ContainsKey(gl))
{
longTag.Add(gl, new int[] { m0, metrics[1], c });
}
glyph[i++] = (char)m0;
}
}
string s = new string(glyph, 0, i);
b = System.Text.Encoding.GetEncoding(CJKFont.CJK_ENCODING).GetBytes(s);
}
catch (Exception e) {
throw e;
}
break;
}
}
return(b);
}
