Diffstat (limited to 'noncore/unsupported/qpdf/xpdf/GfxFont.cc') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/unsupported/qpdf/xpdf/GfxFont.cc | 62 |
1 files changed, 51 insertions, 11 deletions
diff --git a/noncore/unsupported/qpdf/xpdf/GfxFont.cc b/noncore/unsupported/qpdf/xpdf/GfxFont.cc index 518f97b..8d722d6 100644 --- a/noncore/unsupported/qpdf/xpdf/GfxFont.cc +++ b/noncore/unsupported/qpdf/xpdf/GfxFont.cc @@ -4,3 +4,3 @@ // -// Copyright 1996-2001 Derek B. Noonburg +// Copyright 1996-2002 Glyph & Cog, LLC // @@ -456,6 +456,14 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, - // get Type3 font definition + // get Type 3 bounding box, font definition, and resources if (type == fontType3) { - fontDict->lookup("CharProcs", &charProcs); - if (!charProcs.isDict()) { + if (fontDict->lookup("FontBBox", &obj1)->isArray()) { + for (i = 0; i < 4 && i < obj1.arrayGetLength(); ++i) { + if (obj1.arrayGet(i, &obj2)->isNum()) { + fontBBox[i] = obj2.getNum(); + } + obj2.free(); + } + } + obj1.free(); + if (!fontDict->lookup("CharProcs", &charProcs)->isDict()) { error(-1, "Missing or invalid CharProcs dictionary in Type 3 font"); @@ -463,2 +471,5 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, } + if (!fontDict->lookup("Resources", &resources)->isDict()) { + resources.free(); + } } @@ -515,5 +526,7 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, // check embedded or external font file for base encoding + // (only for Type 1 fonts - trying to get an encoding out of a + // TrueType font is a losing proposition) fontFile = NULL; buf = NULL; - if ((type == fontType1 || type == fontType1C || type == fontTrueType) && + if ((type == fontType1 || type == fontType1C) && (extFontFile || embFontID.num >= 0)) { @@ -526,8 +539,11 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, #if 0 + if (type == fontType1C && !strncmp(buf, "%!", 2)) { + // various tools (including Adobe's) occasionally embed Type 1 + // fonts but label them Type 1C + type = fontType1; + } if (type == fontType1) { fontFile = new Type1FontFile(buf, len); - } else if (type == fontType1C) { - fontFile = new Type1CFontFile(buf, len); } else { - fontFile = new TrueTypeFontFile(buf, len); + fontFile = new Type1CFontFile(buf, len); } @@ -571,2 +587,3 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, if (obj2.isArray()) { + hasEncoding = gTrue; code = 0; @@ -638,4 +655,5 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, // pass 2: try to fill in the missing chars, looking for names of - // the form 'Axx', 'xx', 'Ann', or 'nn', where 'A' is any letter, - // 'xx' is two hex digits, and 'nn' is 2-4 decimal digits + // the form 'Axx', 'xx', 'Ann', 'ABnn', or 'nn', where 'A' and 'B' + // are any letters, 'xx' is two hex digits, and 'nn' is 2-4 + // decimal digits if (missing && globalParams->getMapNumericCharNames()) { @@ -658,2 +676,5 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, code2 = atoi(charName+1); + } else if (n >= 4 && n <= 6 && + isdigit(charName[2]) && isdigit(charName[3])) { + code2 = atoi(charName+2); } @@ -686,2 +707,3 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, if (obj1.isArray()) { + flags |= fontFixedWidth; for (code = firstChar; code <= lastChar; ++code) { @@ -690,2 +712,5 @@ Gfx8BitFont::Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA, widths[code] = obj2.getNum() * mul; + if (widths[code] != widths[firstChar]) { + flags &= ~fontFixedWidth; + } } @@ -754,2 +779,5 @@ Gfx8BitFont::~Gfx8BitFont() { } + if (resources.isDict()) { + resources.free(); + } } @@ -773,2 +801,6 @@ CharCodeToUnicode *Gfx8BitFont::getToUnicode() { +Dict *Gfx8BitFont::getCharProcs() { + return charProcs.isDict() ? charProcs.getDict() : (Dict *)NULL; +} + Object *Gfx8BitFont::getCharProc(int code, Object *proc) { @@ -782,2 +814,6 @@ Object *Gfx8BitFont::getCharProc(int code, Object *proc) { +Dict *Gfx8BitFont::getResources() { + return resources.isDict() ? resources.getDict() : (Dict *)NULL; +} + //------------------------------------------------------------------------ @@ -1188,2 +1224,6 @@ int GfxCIDFont::getNextChar(char *s, int len, CharCode *code, +int GfxCIDFont::getWMode() { + return cMap ? cMap->getWMode() : 0; +} + CharCodeToUnicode *GfxCIDFont::getToUnicode() { @@ -1218,3 +1258,3 @@ GfxFontDict::GfxFontDict(XRef *xref, Dict *fontDict) { } else { - error(-1, "font resource is not a dictionary"); + error(-1, "font resource is not a dictionary reference"); fonts[i] = NULL; |