private void doType1TT() { CMapToUnicode toUnicode = null; PdfObject enc = PdfReader.getPdfObject(font.get(PdfName.ENCODING)); if (enc == null) { fillEncoding(null); try { toUnicode = processToUnicode(); if (toUnicode != null) { Map<Integer, Integer> rm = toUnicode.createReverseMapping(); for (Map.Entry<Integer, Integer> kv : rm.entrySet()) { uni2byte.put(kv.getKey().intValue(), kv.getValue().intValue()); } } } catch (Exception ex) { throw new ExceptionConverter(ex); } } else { if (enc.isName()) fillEncoding((PdfName) enc); else if (enc.isDictionary()) { PdfDictionary encDic = (PdfDictionary) enc; enc = PdfReader.getPdfObject(encDic.get(PdfName.BASEENCODING)); if (enc == null) fillEncoding(null); else fillEncoding((PdfName) enc); PdfArray diffs = encDic.getAsArray(PdfName.DIFFERENCES); if (diffs != null) { diffmap = new IntHashtable(); int currentNumber = 0; for (int k = 0; k < diffs.size(); ++k) { PdfObject obj = diffs.getPdfObject(k); if (obj.isNumber()) currentNumber = ((PdfNumber) obj).intValue(); else { int c[] = GlyphList.nameToUnicode(PdfName.decodeName(((PdfName) obj).toString())); if (c != null && c.length > 0) { uni2byte.put(c[0], currentNumber); diffmap.put(c[0], currentNumber); } else { if (toUnicode == null) { toUnicode = processToUnicode(); if (toUnicode == null) { toUnicode = new CMapToUnicode(); } } final String unicode = toUnicode.lookup(new byte[] {(byte) currentNumber}, 0, 1); if ((unicode != null) && (unicode.length() == 1)) { this.uni2byte.put(unicode.charAt(0), currentNumber); this.diffmap.put(unicode.charAt(0), currentNumber); } } ++currentNumber; } } } } } PdfArray newWidths = font.getAsArray(PdfName.WIDTHS); PdfNumber first = font.getAsNumber(PdfName.FIRSTCHAR); PdfNumber last = font.getAsNumber(PdfName.LASTCHAR); if (BuiltinFonts14.containsKey(fontName)) { BaseFont bf; try { bf = BaseFont.createFont(fontName, WINANSI, false); } catch (Exception e) { throw new ExceptionConverter(e); } int e[] = uni2byte.toOrderedKeys(); for (int k = 0; k < e.length; ++k) { int n = uni2byte.get(e[k]); widths[n] = bf.getRawWidth(n, GlyphList.unicodeToName(e[k])); } if (diffmap != null) { // widths for diffmap must override existing ones e = diffmap.toOrderedKeys(); for (int k = 0; k < e.length; ++k) { int n = diffmap.get(e[k]); widths[n] = bf.getRawWidth(n, GlyphList.unicodeToName(e[k])); } diffmap = null; } ascender = bf.getFontDescriptor(ASCENT, 1000); capHeight = bf.getFontDescriptor(CAPHEIGHT, 1000); descender = bf.getFontDescriptor(DESCENT, 1000); italicAngle = bf.getFontDescriptor(ITALICANGLE, 1000); fontWeight = bf.getFontDescriptor(FONT_WEIGHT, 1000); llx = bf.getFontDescriptor(BBOXLLX, 1000); lly = bf.getFontDescriptor(BBOXLLY, 1000); urx = bf.getFontDescriptor(BBOXURX, 1000); ury = bf.getFontDescriptor(BBOXURY, 1000); } if (first != null && last != null && newWidths != null) { int f = first.intValue(); int nSize = f + newWidths.size(); if (widths.length < nSize) { int[] tmp = new int[nSize]; System.arraycopy(widths, 0, tmp, 0, f); widths = tmp; } for (int k = 0; k < newWidths.size(); ++k) { widths[f + k] = newWidths.getAsNumber(k).intValue(); } } fillFontDesc(font.getAsDict(PdfName.FONTDESCRIPTOR)); }
/** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfName</CODE>, resolving indirect references. * * <p>The object corresponding to the specified index is retrieved and resolved to a direct * object. If it is a <CODE>PdfName</CODE>, it is cast down and returned as such. Otherwise <CODE> * null</CODE> is returned. * * @param idx The index of the <CODE>PdfObject</CODE> to be returned * @return the corresponding <CODE>PdfName</CODE> object, or <CODE>null</CODE> */ public PdfName getAsName(final int idx) { PdfName name = null; PdfObject orig = getDirectObject(idx); if (orig != null && orig.isName()) name = (PdfName) orig; return name; }