Review

finding-14

com/itextpdf/text/pdf/Type1Font.java

getFontBaseType(PdfIndirectReference, int, int, byte[])

class Type1Font {
    /** Generates the font dictionary for this font.
     * @return the PdfDictionary containing the font dictionary
     * @param firstChar the first valid character
     * @param lastChar the last valid character
     * @param shortTag a 256 bytes long <CODE>byte</CODE> array where each unused byte is represented by 0
     * @param fontDescriptor the indirect reference to a PdfDictionary containing the font descriptor or <CODE>null</CODE>
     */
    private PdfDictionary getFontBaseType(PdfIndirectReference fontDescriptor, int firstChar, int lastChar, byte shortTag[])
    {
        PdfDictionary dic = new PdfDictionary(PdfName.FONT);
        dic.put(PdfName.SUBTYPE, PdfName.TYPE1);
        dic.put(PdfName.BASEFONT, new PdfName(FontName));
        boolean stdEncoding = encoding.equals("Cp1252") || encoding.equals("MacRoman");
        if (!fontSpecific || specialMap != null) {
            for (int k = firstChar; k <= lastChar; ++k) {
                if (!differences[k].equals(notdef)) {
                    firstChar = k;
                    break;
                }
            }
            if (stdEncoding)
                dic.put(PdfName.ENCODING, encoding.equals("Cp1252") ? PdfName.WIN_ANSI_ENCODING : PdfName.MAC_ROMAN_ENCODING);
            else {
                PdfDictionary enc = new PdfDictionary(PdfName.ENCODING);
                PdfArray dif = new PdfArray();
                boolean gap = true;
                for (int k = firstChar; k <= lastChar; ++k) {
                    if (shortTag[k] != 0) {
                        if (gap) {
                            dif.add(new PdfNumber(k));
                            gap = false;
                        }
                        dif.add(new PdfName(differences[k]));
                    }
                    else
                        gap = true;
                }
                enc.put(PdfName.DIFFERENCES, dif);
                dic.put(PdfName.ENCODING, enc);
            }
        }
        if (specialMap != null || forceWidthsOutput || !(builtinFont && (fontSpecific || stdEncoding))) {
            dic.put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
            dic.put(PdfName.LASTCHAR, new PdfNumber(lastChar));
            PdfArray wd = new PdfArray();
            for (int k = firstChar; k <= lastChar; ++k) {
                if (shortTag[k] == 0)
                    wd.add(new PdfNumber(0));
                else
                    wd.add(new PdfNumber(widths[k]));
            }
            dic.put(PdfName.WIDTHS, wd);
        }
        if (!builtinFont && fontDescriptor != null)
            dic.put(PdfName.FONTDESCRIPTOR, fontDescriptor);
        return dic;
    }

}