--- /dev/null
+//========================================================================
+//
+// FoFiType1C.cc
+//
+// Copyright 1999-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include "gmem.h"
+#include "GString.h"
+#include "FoFiEncodings.h"
+#include "FoFiType1C.h"
+
+//------------------------------------------------------------------------
+
+static char hexChars[17] = "0123456789ABCDEF";
+
+//------------------------------------------------------------------------
+// FoFiType1C
+//------------------------------------------------------------------------
+
+FoFiType1C *FoFiType1C::make(char *fileA, int lenA) {
+ FoFiType1C *ff;
+
+ ff = new FoFiType1C(fileA, lenA, gFalse);
+ if (!ff->parse()) {
+ delete ff;
+ return NULL;
+ }
+ return ff;
+}
+
+FoFiType1C *FoFiType1C::load(char *fileName) {
+ FoFiType1C *ff;
+ char *fileA;
+ int lenA;
+
+ if (!(fileA = FoFiBase::readFile(fileName, &lenA))) {
+ return NULL;
+ }
+ ff = new FoFiType1C(fileA, lenA, gTrue);
+ if (!ff->parse()) {
+ delete ff;
+ return NULL;
+ }
+ return ff;
+}
+
+FoFiType1C::FoFiType1C(char *fileA, int lenA, GBool freeFileDataA):
+ FoFiBase(fileA, lenA, freeFileDataA)
+{
+ name = NULL;
+ encoding = NULL;
+ privateDicts = NULL;
+ fdSelect = NULL;
+ charset = NULL;
+}
+
+FoFiType1C::~FoFiType1C() {
+ int i;
+
+ if (name) {
+ delete name;
+ }
+ if (encoding &&
+ encoding != fofiType1StandardEncoding &&
+ encoding != fofiType1ExpertEncoding) {
+ for (i = 0; i < 256; ++i) {
+ gfree(encoding[i]);
+ }
+ gfree(encoding);
+ }
+ if (privateDicts) {
+ gfree(privateDicts);
+ }
+ if (fdSelect) {
+ gfree(fdSelect);
+ }
+ if (charset &&
+ charset != fofiType1CISOAdobeCharset &&
+ charset != fofiType1CExpertCharset &&
+ charset != fofiType1CExpertSubsetCharset) {
+ gfree(charset);
+ }
+}
+
+char *FoFiType1C::getName() {
+ return name ? name->getCString() : (char *)NULL;
+}
+
+char **FoFiType1C::getEncoding() {
+ return encoding;
+}
+
+Gushort *FoFiType1C::getCIDToGIDMap(int *nCIDs) {
+ Gushort *map;
+ int n, i;
+
+ // a CID font's top dict has ROS as the first operator
+ if (topDict.firstOp != 0x0c1e) {
+ *nCIDs = 0;
+ return NULL;
+ }
+
+ // in a CID font, the charset data is the GID-to-CID mapping, so all
+ // we have to do is reverse it
+ n = 0;
+ for (i = 0; i < nGlyphs; ++i) {
+ if (charset[i] > n) {
+ n = charset[i];
+ }
+ }
+ ++n;
+ map = (Gushort *)gmalloc(n * sizeof(Gushort));
+ memset(map, 0, n * sizeof(Gushort));
+ for (i = 0; i < nGlyphs; ++i) {
+ map[charset[i]] = i;
+ }
+ *nCIDs = n;
+ return map;
+}
+
+void FoFiType1C::convertToType1(char **newEncoding, GBool ascii,
+ FoFiOutputFunc outputFunc,
+ void *outputStream) {
+ Type1CEexecBuf eb;
+ Type1CIndex subrIdx;
+ Type1CIndexVal val;
+ char buf[512];
+ char **enc;
+ GBool ok;
+ int i;
+
+ // write header and font dictionary, up to encoding
+ ok = gTrue;
+ (*outputFunc)(outputStream, "%!FontType1-1.0: ", 17);
+ (*outputFunc)(outputStream, name->getCString(), name->getLength());
+ if (topDict.versionSID != 0) {
+ getString(topDict.versionSID, buf, &ok);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "\n", 1);
+ // the dictionary needs room for 12 entries: the following 9, plus
+ // Private and CharStrings (in the eexec section) and FID (which is
+ // added by definefont)
+ (*outputFunc)(outputStream, "12 dict begin\n", 14);
+ (*outputFunc)(outputStream, "/FontInfo 10 dict dup begin\n", 28);
+ if (topDict.versionSID != 0) {
+ (*outputFunc)(outputStream, "/version (", 10);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.noticeSID != 0) {
+ getString(topDict.noticeSID, buf, &ok);
+ (*outputFunc)(outputStream, "/Notice (", 9);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.copyrightSID != 0) {
+ getString(topDict.copyrightSID, buf, &ok);
+ (*outputFunc)(outputStream, "/Copyright (", 12);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.fullNameSID != 0) {
+ getString(topDict.fullNameSID, buf, &ok);
+ (*outputFunc)(outputStream, "/FullName (", 11);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.familyNameSID != 0) {
+ getString(topDict.familyNameSID, buf, &ok);
+ (*outputFunc)(outputStream, "/FamilyName (", 13);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.weightSID != 0) {
+ getString(topDict.weightSID, buf, &ok);
+ (*outputFunc)(outputStream, "/Weight (", 9);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") readonly def\n", 15);
+ }
+ if (topDict.isFixedPitch) {
+ (*outputFunc)(outputStream, "/isFixedPitch true def\n", 23);
+ } else {
+ (*outputFunc)(outputStream, "/isFixedPitch false def\n", 24);
+ }
+ sprintf(buf, "/ItalicAngle %g def\n", topDict.italicAngle);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/UnderlinePosition %g def\n", topDict.underlinePosition);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/UnderlineThickness %g def\n", topDict.underlineThickness);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "end readonly def\n", 17);
+ (*outputFunc)(outputStream, "/FontName /", 11);
+ (*outputFunc)(outputStream, name->getCString(), name->getLength());
+ (*outputFunc)(outputStream, " def\n", 5);
+ sprintf(buf, "/PaintType %d def\n", topDict.paintType);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
+ sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] readonly def\n",
+ topDict.fontMatrix[0], topDict.fontMatrix[1], topDict.fontMatrix[2],
+ topDict.fontMatrix[3], topDict.fontMatrix[4], topDict.fontMatrix[5]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/FontBBox [%g %g %g %g] readonly def\n",
+ topDict.fontBBox[0], topDict.fontBBox[1],
+ topDict.fontBBox[2], topDict.fontBBox[3]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ if (topDict.uniqueID != 0) {
+ sprintf(buf, "/UniqueID %d def\n", topDict.uniqueID);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+
+ // write the encoding
+ (*outputFunc)(outputStream, "/Encoding ", 10);
+ if (!newEncoding && encoding == fofiType1StandardEncoding) {
+ (*outputFunc)(outputStream, "StandardEncoding def\n", 21);
+ } else {
+ (*outputFunc)(outputStream, "256 array\n", 10);
+ (*outputFunc)(outputStream,
+ "0 1 255 {1 index exch /.notdef put} for\n", 40);
+ enc = newEncoding ? newEncoding : encoding;
+ for (i = 0; i < 256; ++i) {
+ if (enc[i]) {
+ sprintf(buf, "dup %d /%s put\n", i, enc[i]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ }
+ (*outputFunc)(outputStream, "readonly def\n", 13);
+ }
+ (*outputFunc)(outputStream, "currentdict end\n", 16);
+
+ // start the binary section
+ (*outputFunc)(outputStream, "currentfile eexec\n", 18);
+ eb.outputFunc = outputFunc;
+ eb.outputStream = outputStream;
+ eb.ascii = ascii;
+ eb.r1 = 55665;
+ eb.line = 0;
+
+ // write the private dictionary
+ eexecWrite(&eb, "\x83\xca\x73\xd5");
+ eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
+ eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
+ " executeonly def\n");
+ eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
+ eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
+ eexecWrite(&eb, "/MinFeature {16 16} def\n");
+ eexecWrite(&eb, "/password 5839 def\n");
+ if (privateDicts[0].nBlueValues) {
+ eexecWrite(&eb, "/BlueValues [");
+ for (i = 0; i < privateDicts[0].nBlueValues; ++i) {
+ sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].blueValues[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].nOtherBlues) {
+ eexecWrite(&eb, "/OtherBlues [");
+ for (i = 0; i < privateDicts[0].nOtherBlues; ++i) {
+ sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].otherBlues[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].nFamilyBlues) {
+ eexecWrite(&eb, "/FamilyBlues [");
+ for (i = 0; i < privateDicts[0].nFamilyBlues; ++i) {
+ sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].familyBlues[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].nFamilyOtherBlues) {
+ eexecWrite(&eb, "/FamilyOtherBlues [");
+ for (i = 0; i < privateDicts[0].nFamilyOtherBlues; ++i) {
+ sprintf(buf, "%s%d", i > 0 ? " " : "",
+ privateDicts[0].familyOtherBlues[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].blueScale != 0.039625) {
+ sprintf(buf, "/BlueScale %g def\n", privateDicts[0].blueScale);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].blueShift != 7) {
+ sprintf(buf, "/BlueShift %d def\n", privateDicts[0].blueShift);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].blueFuzz != 1) {
+ sprintf(buf, "/BlueFuzz %d def\n", privateDicts[0].blueFuzz);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].hasStdHW) {
+ sprintf(buf, "/StdHW [%g] def\n", privateDicts[0].stdHW);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].hasStdVW) {
+ sprintf(buf, "/StdVW [%g] def\n", privateDicts[0].stdVW);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].nStemSnapH) {
+ eexecWrite(&eb, "/StemSnapH [");
+ for (i = 0; i < privateDicts[0].nStemSnapH; ++i) {
+ sprintf(buf, "%s%g", i > 0 ? " " : "", privateDicts[0].stemSnapH[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].nStemSnapV) {
+ eexecWrite(&eb, "/StemSnapV [");
+ for (i = 0; i < privateDicts[0].nStemSnapV; ++i) {
+ sprintf(buf, "%s%g", i > 0 ? " " : "", privateDicts[0].stemSnapV[i]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[0].hasForceBold) {
+ sprintf(buf, "/ForceBold %s def\n",
+ privateDicts[0].forceBold ? "true" : "false");
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].forceBoldThreshold != 0) {
+ sprintf(buf, "/ForceBoldThreshold %g def\n",
+ privateDicts[0].forceBoldThreshold);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].languageGroup != 0) {
+ sprintf(buf, "/LanguageGroup %d def\n", privateDicts[0].languageGroup);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[0].expansionFactor != 0.06) {
+ sprintf(buf, "/ExpansionFactor %g def\n", privateDicts[0].expansionFactor);
+ eexecWrite(&eb, buf);
+ }
+
+ // set up subroutines
+ ok = gTrue;
+ getIndex(privateDicts[0].subrsOffset, &subrIdx, &ok);
+ if (!ok) {
+ subrIdx.pos = -1;
+ }
+
+ // write the CharStrings
+ sprintf(buf, "2 index /CharStrings %d dict dup begin\n", nGlyphs);
+ eexecWrite(&eb, buf);
+ for (i = 0; i < nGlyphs; ++i) {
+ ok = gTrue;
+ getIndexVal(&charStringsIdx, i, &val, &ok);
+ if (ok) {
+ getString(charset[i], buf, &ok);
+ if (ok) {
+ eexecCvtGlyph(&eb, buf, val.pos, val.len, &subrIdx, &privateDicts[0]);
+ }
+ }
+ }
+ eexecWrite(&eb, "end\n");
+ eexecWrite(&eb, "end\n");
+ eexecWrite(&eb, "readonly put\n");
+ eexecWrite(&eb, "noaccess put\n");
+ eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
+ eexecWrite(&eb, "mark currentfile closefile\n");
+
+ // trailer
+ if (ascii && eb.line > 0) {
+ (*outputFunc)(outputStream, "\n", 1);
+ }
+ for (i = 0; i < 8; ++i) {
+ (*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
+ }
+ (*outputFunc)(outputStream, "cleartomark\n", 12);
+}
+
+void FoFiType1C::convertToCIDType0(char *psName,
+ FoFiOutputFunc outputFunc,
+ void *outputStream) {
+ int *cidMap;
+ GString *charStrings;
+ int *charStringOffsets;
+ Type1CIndex subrIdx;
+ Type1CIndexVal val;
+ int nCIDs, gdBytes;
+ char buf[512], buf2[512];
+ GBool ok;
+ int gid, offset, n, i, j, k;
+
+ // compute the CID count and build the CID-to-GID mapping
+ nCIDs = 0;
+ for (i = 0; i < nGlyphs; ++i) {
+ if (charset[i] >= nCIDs) {
+ nCIDs = charset[i] + 1;
+ }
+ }
+ cidMap = (int *)gmalloc(nCIDs * sizeof(int));
+ for (i = 0; i < nCIDs; ++i) {
+ cidMap[i] = -1;
+ }
+ for (i = 0; i < nGlyphs; ++i) {
+ cidMap[charset[i]] = i;
+ }
+
+ // build the charstrings
+ charStrings = new GString();
+ charStringOffsets = (int *)gmalloc((nCIDs + 1) * sizeof(int));
+ for (i = 0; i < nCIDs; ++i) {
+ charStringOffsets[i] = charStrings->getLength();
+ if ((gid = cidMap[i]) >= 0) {
+ ok = gTrue;
+ getIndexVal(&charStringsIdx, gid, &val, &ok);
+ if (ok) {
+ getIndex(privateDicts[fdSelect[gid]].subrsOffset, &subrIdx, &ok);
+ if (!ok) {
+ subrIdx.pos = -1;
+ }
+ cvtGlyph(val.pos, val.len, charStrings,
+ &subrIdx, &privateDicts[fdSelect[gid]], gTrue);
+ }
+ }
+ }
+ charStringOffsets[nCIDs] = charStrings->getLength();
+
+ // compute gdBytes = number of bytes needed for charstring offsets
+ // (offset size needs to account for the charstring offset table,
+ // with a worst case of five bytes per entry, plus the charstrings
+ // themselves)
+ i = (nCIDs + 1) * 5 + charStrings->getLength();
+ if (i < 0x100) {
+ gdBytes = 1;
+ } else if (i < 0x10000) {
+ gdBytes = 2;
+ } else if (i < 0x1000000) {
+ gdBytes = 3;
+ } else {
+ gdBytes = 4;
+ }
+
+ // begin the font dictionary
+ (*outputFunc)(outputStream, "/CIDInit /ProcSet findresource begin\n", 37);
+ (*outputFunc)(outputStream, "20 dict begin\n", 14);
+ (*outputFunc)(outputStream, "/CIDFontName /", 14);
+ (*outputFunc)(outputStream, psName, strlen(psName));
+ (*outputFunc)(outputStream, " def\n", 5);
+ (*outputFunc)(outputStream, "/CIDFontType 0 def\n", 19);
+ (*outputFunc)(outputStream, "/CIDSystemInfo 3 dict dup begin\n", 32);
+ if (topDict.registrySID > 0 && topDict.orderingSID > 0) {
+ ok = gTrue;
+ getString(topDict.registrySID, buf, &ok);
+ if (ok) {
+ (*outputFunc)(outputStream, " /Registry (", 13);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") def\n", 6);
+ }
+ ok = gTrue;
+ getString(topDict.orderingSID, buf, &ok);
+ if (ok) {
+ (*outputFunc)(outputStream, " /Ordering (", 13);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, ") def\n", 6);
+ }
+ } else {
+ (*outputFunc)(outputStream, " /Registry (Adobe) def\n", 24);
+ (*outputFunc)(outputStream, " /Ordering (Identity) def\n", 27);
+ }
+ sprintf(buf, " /Supplement %d def\n", topDict.supplement);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "end def\n", 8);
+ sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] def\n",
+ topDict.fontMatrix[0], topDict.fontMatrix[1], topDict.fontMatrix[2],
+ topDict.fontMatrix[3], topDict.fontMatrix[4], topDict.fontMatrix[5]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/FontBBox [%g %g %g %g] def\n",
+ topDict.fontBBox[0], topDict.fontBBox[1],
+ topDict.fontBBox[2], topDict.fontBBox[3]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/FontInfo 1 dict dup begin\n", 27);
+ (*outputFunc)(outputStream, " /FSType 8 def\n", 16);
+ (*outputFunc)(outputStream, "end def\n", 8);
+
+ // CIDFont-specific entries
+ sprintf(buf, "/CIDCount %d def\n", nCIDs);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/FDBytes 1 def\n", 15);
+ sprintf(buf, "/GDBytes %d def\n", gdBytes);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/CIDMapOffset 0 def\n", 20);
+ if (topDict.paintType != 0) {
+ sprintf(buf, "/PaintType %d def\n", topDict.paintType);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+
+ // FDArray entry
+ sprintf(buf, "/FDArray %d array\n", nFDs);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ for (i = 0; i < nFDs; ++i) {
+ sprintf(buf, "dup %d 10 dict begin\n", i);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
+ (*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
+ sprintf(buf, "/PaintType %d def\n", topDict.paintType);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/Private 32 dict begin\n", 23);
+ if (privateDicts[i].nBlueValues) {
+ (*outputFunc)(outputStream, "/BlueValues [", 13);
+ for (j = 0; j < privateDicts[i].nBlueValues; ++j) {
+ sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].blueValues[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].nOtherBlues) {
+ (*outputFunc)(outputStream, "/OtherBlues [", 13);
+ for (j = 0; j < privateDicts[i].nOtherBlues; ++j) {
+ sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].otherBlues[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].nFamilyBlues) {
+ (*outputFunc)(outputStream, "/FamilyBlues [", 14);
+ for (j = 0; j < privateDicts[i].nFamilyBlues; ++j) {
+ sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].familyBlues[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].nFamilyOtherBlues) {
+ (*outputFunc)(outputStream, "/FamilyOtherBlues [", 19);
+ for (j = 0; j < privateDicts[i].nFamilyOtherBlues; ++j) {
+ sprintf(buf, "%s%d", j > 0 ? " " : "",
+ privateDicts[i].familyOtherBlues[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].blueScale != 0.039625) {
+ sprintf(buf, "/BlueScale %g def\n", privateDicts[i].blueScale);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].blueShift != 7) {
+ sprintf(buf, "/BlueShift %d def\n", privateDicts[i].blueShift);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].blueFuzz != 1) {
+ sprintf(buf, "/BlueFuzz %d def\n", privateDicts[i].blueFuzz);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].hasStdHW) {
+ sprintf(buf, "/StdHW [%g] def\n", privateDicts[i].stdHW);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].hasStdVW) {
+ sprintf(buf, "/StdVW [%g] def\n", privateDicts[i].stdVW);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].nStemSnapH) {
+ (*outputFunc)(outputStream, "/StemSnapH [", 12);
+ for (j = 0; j < privateDicts[i].nStemSnapH; ++j) {
+ sprintf(buf, "%s%g", j > 0 ? " " : "", privateDicts[i].stemSnapH[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].nStemSnapV) {
+ (*outputFunc)(outputStream, "/StemSnapV [", 12);
+ for (j = 0; j < privateDicts[i].nStemSnapV; ++j) {
+ sprintf(buf, "%s%g", j > 0 ? " " : "", privateDicts[i].stemSnapV[j]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ }
+ if (privateDicts[i].hasForceBold) {
+ sprintf(buf, "/ForceBold %s def\n",
+ privateDicts[i].forceBold ? "true" : "false");
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].forceBoldThreshold != 0) {
+ sprintf(buf, "/ForceBoldThreshold %g def\n",
+ privateDicts[i].forceBoldThreshold);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].languageGroup != 0) {
+ sprintf(buf, "/LanguageGroup %d def\n", privateDicts[i].languageGroup);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (privateDicts[i].expansionFactor != 0.06) {
+ sprintf(buf, "/ExpansionFactor %g def\n",
+ privateDicts[i].expansionFactor);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "currentdict end def\n", 20);
+ (*outputFunc)(outputStream, "currentdict end put\n", 20);
+ }
+ (*outputFunc)(outputStream, "def\n", 4);
+
+ // start the binary section
+ offset = (nCIDs + 1) * (1 + gdBytes);
+ sprintf(buf, "(Hex) %d StartData\n",
+ offset + charStrings->getLength());
+ (*outputFunc)(outputStream, buf, strlen(buf));
+
+ // write the charstring offset (CIDMap) table
+ for (i = 0; i <= nCIDs; i += 6) {
+ for (j = 0; j < 6 && i+j <= nCIDs; ++j) {
+ if (i+j < nCIDs && cidMap[i+j] >= 0) {
+ buf[0] = (char)fdSelect[cidMap[i+j]];
+ } else {
+ buf[0] = (char)0;
+ }
+ n = offset + charStringOffsets[i+j];
+ for (k = gdBytes; k >= 1; --k) {
+ buf[k] = (char)(n & 0xff);
+ n >>= 8;
+ }
+ for (k = 0; k <= gdBytes; ++k) {
+ sprintf(buf2, "%02x", buf[k] & 0xff);
+ (*outputFunc)(outputStream, buf2, 2);
+ }
+ }
+ (*outputFunc)(outputStream, "\n", 1);
+ }
+
+ // write the charstring data
+ n = charStrings->getLength();
+ for (i = 0; i < n; i += 32) {
+ for (j = 0; j < 32 && i+j < n; ++j) {
+ sprintf(buf, "%02x", charStrings->getChar(i+j) & 0xff);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (i + 32 >= n) {
+ (*outputFunc)(outputStream, ">", 1);
+ }
+ (*outputFunc)(outputStream, "\n", 1);
+ }
+
+ gfree(charStringOffsets);
+ delete charStrings;
+ gfree(cidMap);
+}
+
+void FoFiType1C::convertToType0(char *psName,
+ FoFiOutputFunc outputFunc,
+ void *outputStream) {
+ int *cidMap;
+ Type1CIndex subrIdx;
+ Type1CIndexVal val;
+ int nCIDs;
+ char buf[512];
+ Type1CEexecBuf eb;
+ GBool ok;
+ int fd, i, j, k;
+
+ // compute the CID count and build the CID-to-GID mapping
+ nCIDs = 0;
+ for (i = 0; i < nGlyphs; ++i) {
+ if (charset[i] >= nCIDs) {
+ nCIDs = charset[i] + 1;
+ }
+ }
+ cidMap = (int *)gmalloc(nCIDs * sizeof(int));
+ for (i = 0; i < nCIDs; ++i) {
+ cidMap[i] = -1;
+ }
+ for (i = 0; i < nGlyphs; ++i) {
+ cidMap[charset[i]] = i;
+ }
+
+ // write the descendant Type 1 fonts
+ for (i = 0; i < nCIDs; i += 256) {
+
+ //~ this assumes that all CIDs in this block have the same FD --
+ //~ to handle multiple FDs correctly, need to somehow divide the
+ //~ font up by FD
+ fd = 0;
+ for (j = 0; j < 256 && i+j < nCIDs; ++j) {
+ if (cidMap[i+j] >= 0) {
+ fd = fdSelect[cidMap[i+j]];
+ break;
+ }
+ }
+
+ // font dictionary (unencrypted section)
+ (*outputFunc)(outputStream, "16 dict begin\n", 14);
+ (*outputFunc)(outputStream, "/FontName /", 11);
+ (*outputFunc)(outputStream, psName, strlen(psName));
+ sprintf(buf, "_%02x def\n", i >> 8);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
+ sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] def\n",
+ topDict.fontMatrix[0], topDict.fontMatrix[1],
+ topDict.fontMatrix[2], topDict.fontMatrix[3],
+ topDict.fontMatrix[4], topDict.fontMatrix[5]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/FontBBox [%g %g %g %g] def\n",
+ topDict.fontBBox[0], topDict.fontBBox[1],
+ topDict.fontBBox[2], topDict.fontBBox[3]);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ sprintf(buf, "/PaintType %d def\n", topDict.paintType);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ if (topDict.paintType != 0) {
+ sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "/Encoding 256 array\n", 20);
+ for (j = 0; j < 256 && i+j < nCIDs; ++j) {
+ sprintf(buf, "dup %d /c%02x put\n", j, j);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ if (j < 256) {
+ sprintf(buf, "%d 1 255 { 1 index exch /.notdef put } for\n", j);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "readonly def\n", 13);
+ (*outputFunc)(outputStream, "currentdict end\n", 16);
+
+ // start the binary section
+ (*outputFunc)(outputStream, "currentfile eexec\n", 18);
+ eb.outputFunc = outputFunc;
+ eb.outputStream = outputStream;
+ eb.ascii = gTrue;
+ eb.r1 = 55665;
+ eb.line = 0;
+
+ // start the private dictionary
+ eexecWrite(&eb, "\x83\xca\x73\xd5");
+ eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
+ eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
+ " executeonly def\n");
+ eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
+ eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
+ eexecWrite(&eb, "/MinFeature {16 16} def\n");
+ eexecWrite(&eb, "/password 5839 def\n");
+ if (privateDicts[fd].nBlueValues) {
+ eexecWrite(&eb, "/BlueValues [");
+ for (k = 0; k < privateDicts[fd].nBlueValues; ++k) {
+ sprintf(buf, "%s%d", k > 0 ? " " : "", privateDicts[fd].blueValues[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].nOtherBlues) {
+ eexecWrite(&eb, "/OtherBlues [");
+ for (k = 0; k < privateDicts[fd].nOtherBlues; ++k) {
+ sprintf(buf, "%s%d", k > 0 ? " " : "", privateDicts[fd].otherBlues[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].nFamilyBlues) {
+ eexecWrite(&eb, "/FamilyBlues [");
+ for (k = 0; k < privateDicts[fd].nFamilyBlues; ++k) {
+ sprintf(buf, "%s%d", k > 0 ? " " : "",
+ privateDicts[fd].familyBlues[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].nFamilyOtherBlues) {
+ eexecWrite(&eb, "/FamilyOtherBlues [");
+ for (k = 0; k < privateDicts[fd].nFamilyOtherBlues; ++k) {
+ sprintf(buf, "%s%d", k > 0 ? " " : "",
+ privateDicts[fd].familyOtherBlues[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].blueScale != 0.039625) {
+ sprintf(buf, "/BlueScale %g def\n", privateDicts[fd].blueScale);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].blueShift != 7) {
+ sprintf(buf, "/BlueShift %d def\n", privateDicts[fd].blueShift);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].blueFuzz != 1) {
+ sprintf(buf, "/BlueFuzz %d def\n", privateDicts[fd].blueFuzz);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].hasStdHW) {
+ sprintf(buf, "/StdHW [%g] def\n", privateDicts[fd].stdHW);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].hasStdVW) {
+ sprintf(buf, "/StdVW [%g] def\n", privateDicts[fd].stdVW);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].nStemSnapH) {
+ eexecWrite(&eb, "/StemSnapH [");
+ for (k = 0; k < privateDicts[fd].nStemSnapH; ++k) {
+ sprintf(buf, "%s%g", k > 0 ? " " : "", privateDicts[fd].stemSnapH[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].nStemSnapV) {
+ eexecWrite(&eb, "/StemSnapV [");
+ for (k = 0; k < privateDicts[fd].nStemSnapV; ++k) {
+ sprintf(buf, "%s%g", k > 0 ? " " : "", privateDicts[fd].stemSnapV[k]);
+ eexecWrite(&eb, buf);
+ }
+ eexecWrite(&eb, "] def\n");
+ }
+ if (privateDicts[fd].hasForceBold) {
+ sprintf(buf, "/ForceBold %s def\n",
+ privateDicts[fd].forceBold ? "true" : "false");
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].forceBoldThreshold != 0) {
+ sprintf(buf, "/ForceBoldThreshold %g def\n",
+ privateDicts[fd].forceBoldThreshold);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].languageGroup != 0) {
+ sprintf(buf, "/LanguageGroup %d def\n", privateDicts[fd].languageGroup);
+ eexecWrite(&eb, buf);
+ }
+ if (privateDicts[fd].expansionFactor != 0.06) {
+ sprintf(buf, "/ExpansionFactor %g def\n",
+ privateDicts[fd].expansionFactor);
+ eexecWrite(&eb, buf);
+ }
+
+ // set up the subroutines
+ ok = gTrue;
+ getIndex(privateDicts[fd].subrsOffset, &subrIdx, &ok);
+ if (!ok) {
+ subrIdx.pos = -1;
+ }
+
+ // start the CharStrings
+ sprintf(buf, "2 index /CharStrings 256 dict dup begin\n");
+ eexecWrite(&eb, buf);
+
+ // write the .notdef CharString
+ ok = gTrue;
+ getIndexVal(&charStringsIdx, 0, &val, &ok);
+ if (ok) {
+ eexecCvtGlyph(&eb, ".notdef", val.pos, val.len,
+ &subrIdx, &privateDicts[fd]);
+ }
+
+ // write the CharStrings
+ for (j = 0; j < 256 && i+j < nCIDs; ++j) {
+ if (cidMap[i+j] >= 0) {
+ ok = gTrue;
+ getIndexVal(&charStringsIdx, cidMap[i+j], &val, &ok);
+ if (ok) {
+ sprintf(buf, "c%02x", j);
+ eexecCvtGlyph(&eb, buf, val.pos, val.len,
+ &subrIdx, &privateDicts[fd]);
+ }
+ }
+ }
+ eexecWrite(&eb, "end\n");
+ eexecWrite(&eb, "end\n");
+ eexecWrite(&eb, "readonly put\n");
+ eexecWrite(&eb, "noaccess put\n");
+ eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
+ eexecWrite(&eb, "mark currentfile closefile\n");
+
+ // trailer
+ if (eb.line > 0) {
+ (*outputFunc)(outputStream, "\n", 1);
+ }
+ for (j = 0; j < 8; ++j) {
+ (*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
+ }
+ (*outputFunc)(outputStream, "cleartomark\n", 12);
+ }
+
+ // write the Type 0 parent font
+ (*outputFunc)(outputStream, "16 dict begin\n", 14);
+ (*outputFunc)(outputStream, "/FontName /", 11);
+ (*outputFunc)(outputStream, psName, strlen(psName));
+ (*outputFunc)(outputStream, " def\n", 5);
+ (*outputFunc)(outputStream, "/FontType 0 def\n", 16);
+ (*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
+ (*outputFunc)(outputStream, "/FMapType 2 def\n", 16);
+ (*outputFunc)(outputStream, "/Encoding [\n", 12);
+ for (i = 0; i < nCIDs; i += 256) {
+ sprintf(buf, "%d\n", i >> 8);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ (*outputFunc)(outputStream, "/FDepVector [\n", 14);
+ for (i = 0; i < nCIDs; i += 256) {
+ (*outputFunc)(outputStream, "/", 1);
+ (*outputFunc)(outputStream, psName, strlen(psName));
+ sprintf(buf, "_%02x findfont\n", i >> 8);
+ (*outputFunc)(outputStream, buf, strlen(buf));
+ }
+ (*outputFunc)(outputStream, "] def\n", 6);
+ (*outputFunc)(outputStream, "FontName currentdict end definefont pop\n", 40);
+
+ gfree(cidMap);
+}
+
+void FoFiType1C::eexecCvtGlyph(Type1CEexecBuf *eb, char *glyphName,
+ int offset, int nBytes,
+ Type1CIndex *subrIdx,
+ Type1CPrivateDict *pDict) {
+ char buf[512];
+ GString *charBuf;
+
+ // generate the charstring
+ charBuf = new GString();
+ cvtGlyph(offset, nBytes, charBuf, subrIdx, pDict, gTrue);
+
+ sprintf(buf, "/%s %d RD ", glyphName, charBuf->getLength());
+ eexecWrite(eb, buf);
+ eexecWriteCharstring(eb, (Guchar *)charBuf->getCString(),
+ charBuf->getLength());
+ eexecWrite(eb, " ND\n");
+
+ delete charBuf;
+}
+
+void FoFiType1C::cvtGlyph(int offset, int nBytes, GString *charBuf,
+ Type1CIndex *subrIdx, Type1CPrivateDict *pDict,
+ GBool top) {
+ Type1CIndexVal val;
+ GBool ok, dFP;
+ double d, dx, dy;
+ Gushort r2;
+ Guchar byte;
+ int pos, subrBias, start, i, k;
+
+ start = charBuf->getLength();
+ if (top) {
+ charBuf->append((char)73);
+ charBuf->append((char)58);
+ charBuf->append((char)147);
+ charBuf->append((char)134);
+ nOps = 0;
+ nHints = 0;
+ firstOp = gTrue;
+ }
+
+ pos = offset;
+ while (pos < offset + nBytes) {
+ ok = gTrue;
+ pos = getOp(pos, gTrue, &ok);
+ if (!ok) {
+ break;
+ }
+ if (!ops[nOps - 1].isNum) {
+ --nOps; // drop the operator
+ switch (ops[nOps].op) {
+ case 0x0001: // hstem
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hstem", nOps);
+ }
+ d = 0;
+ dFP = gFalse;
+ for (k = 0; k < nOps; k += 2) {
+ if (ops[k+1].num < 0) {
+ d += ops[k].num + ops[k+1].num;
+ dFP |= ops[k].isFP | ops[k+1].isFP;
+ cvtNum(d, dFP, charBuf);
+ cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
+ } else {
+ d += ops[k].num;
+ dFP |= ops[k].isFP;
+ cvtNum(d, dFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ d += ops[k+1].num;
+ dFP |= ops[k+1].isFP;
+ }
+ charBuf->append((char)1);
+ }
+ nHints += nOps / 2;
+ nOps = 0;
+ break;
+ case 0x0003: // vstem
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vstem", nOps);
+ }
+ d = 0;
+ dFP = gFalse;
+ for (k = 0; k < nOps; k += 2) {
+ if (ops[k+1].num < 0) {
+ d += ops[k].num + ops[k+1].num;
+ dFP |= ops[k].isFP | ops[k+1].isFP;
+ cvtNum(d, dFP, charBuf);
+ cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
+ } else {
+ d += ops[k].num;
+ dFP |= ops[k].isFP;
+ cvtNum(d, dFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ d += ops[k+1].num;
+ dFP |= ops[k+1].isFP;
+ }
+ charBuf->append((char)3);
+ }
+ nHints += nOps / 2;
+ nOps = 0;
+ break;
+ case 0x0004: // vmoveto
+ if (firstOp) {
+ cvtGlyphWidth(nOps == 2, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps != 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vmoveto", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ charBuf->append((char)4);
+ nOps = 0;
+ break;
+ case 0x0005: // rlineto
+ if (nOps < 2 || nOps % 2 != 0) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 rlineto", nOps);
+ }
+ for (k = 0; k < nOps; k += 2) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ charBuf->append((char)5);
+ }
+ nOps = 0;
+ break;
+ case 0x0006: // hlineto
+ if (nOps < 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hlineto", nOps);
+ }
+ for (k = 0; k < nOps; ++k) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ charBuf->append((char)((k & 1) ? 7 : 6));
+ }
+ nOps = 0;
+ break;
+ case 0x0007: // vlineto
+ if (nOps < 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vlineto", nOps);
+ }
+ for (k = 0; k < nOps; ++k) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ charBuf->append((char)((k & 1) ? 6 : 7));
+ }
+ nOps = 0;
+ break;
+ case 0x0008: // rrcurveto
+ if (nOps < 6 || nOps % 6 != 0) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 rrcurveto", nOps);
+ }
+ for (k = 0; k < nOps; k += 6) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
+ charBuf->append((char)8);
+ }
+ nOps = 0;
+ break;
+ case 0x000a: // callsubr
+ if (nOps >= 1) {
+ subrBias = (subrIdx->len < 1240)
+ ? 107 : (subrIdx->len < 33900) ? 1131 : 32768;
+ k = subrBias + (int)ops[nOps - 1].num;
+ --nOps;
+ ok = gTrue;
+ getIndexVal(subrIdx, k, &val, &ok);
+ if (ok) {
+ cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, gFalse);
+ }
+ } else {
+ //~ error(-1, "Too few args to Type 2 callsubr");
+ }
+ // don't clear the stack
+ break;
+ case 0x000b: // return
+ // don't clear the stack
+ break;
+ case 0x000e: // endchar / seac
+ if (firstOp) {
+ cvtGlyphWidth(nOps == 1 || nOps == 5, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps == 4) {
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ charBuf->append((char)12)->append((char)6);
+ } else if (nOps == 0) {
+ charBuf->append((char)14);
+ } else {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 endchar", nOps);
+ }
+ nOps = 0;
+ break;
+ case 0x000f: // (obsolete)
+ // this op is ignored, but we need the glyph width
+ if (firstOp) {
+ cvtGlyphWidth(nOps > 0, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ nOps = 0;
+ break;
+ case 0x0010: // blend
+ //~ error(-1, "Unimplemented Type 2 charstring op: %d", file[i]);
+ nOps = 0;
+ break;
+ case 0x0012: // hstemhm
+ // ignored
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hstemhm", nOps);
+ }
+ nHints += nOps / 2;
+ nOps = 0;
+ break;
+ case 0x0013: // hintmask
+ // ignored
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps > 0) {
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hintmask/vstemhm",
+ //~ nOps);
+ }
+ nHints += nOps / 2;
+ }
+ pos += (nHints + 7) >> 3;
+ nOps = 0;
+ break;
+ case 0x0014: // cntrmask
+ // ignored
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps > 0) {
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 cntrmask/vstemhm",
+ //~ nOps);
+ }
+ nHints += nOps / 2;
+ }
+ pos += (nHints + 7) >> 3;
+ nOps = 0;
+ break;
+ case 0x0015: // rmoveto
+ if (firstOp) {
+ cvtGlyphWidth(nOps == 3, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps != 2) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 rmoveto", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ charBuf->append((char)21);
+ nOps = 0;
+ break;
+ case 0x0016: // hmoveto
+ if (firstOp) {
+ cvtGlyphWidth(nOps == 2, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps != 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hmoveto", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ charBuf->append((char)22);
+ nOps = 0;
+ break;
+ case 0x0017: // vstemhm
+ // ignored
+ if (firstOp) {
+ cvtGlyphWidth(nOps & 1, charBuf, pDict);
+ firstOp = gFalse;
+ }
+ if (nOps & 1) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vstemhm", nOps);
+ }
+ nHints += nOps / 2;
+ nOps = 0;
+ break;
+ case 0x0018: // rcurveline
+ if (nOps < 8 || (nOps - 2) % 6 != 0) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 rcurveline", nOps);
+ }
+ for (k = 0; k < nOps - 2; k += 6) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
+ charBuf->append((char)8);
+ }
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
+ charBuf->append((char)5);
+ nOps = 0;
+ break;
+ case 0x0019: // rlinecurve
+ if (nOps < 8 || (nOps - 6) % 2 != 0) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 rlinecurve", nOps);
+ }
+ for (k = 0; k < nOps - 6; k += 2) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
+ charBuf->append((char)5);
+ }
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
+ charBuf->append((char)8);
+ nOps = 0;
+ break;
+ case 0x001a: // vvcurveto
+ if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vvcurveto", nOps);
+ }
+ if (nOps % 2 == 1) {
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ charBuf->append((char)8);
+ k = 5;
+ } else {
+ k = 0;
+ }
+ for (; k < nOps; k += 4) {
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ charBuf->append((char)8);
+ }
+ nOps = 0;
+ break;
+ case 0x001b: // hhcurveto
+ if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hhcurveto", nOps);
+ }
+ if (nOps % 2 == 1) {
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ charBuf->append((char)8);
+ k = 5;
+ } else {
+ k = 0;
+ }
+ for (; k < nOps; k += 4) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ charBuf->append((char)8);
+ }
+ nOps = 0;
+ break;
+ case 0x001d: // callgsubr
+ if (nOps >= 1) {
+ k = gsubrBias + (int)ops[nOps - 1].num;
+ --nOps;
+ ok = gTrue;
+ getIndexVal(&gsubrIdx, k, &val, &ok);
+ if (ok) {
+ cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, gFalse);
+ }
+ } else {
+ //~ error(-1, "Too few args to Type 2 callgsubr");
+ }
+ // don't clear the stack
+ break;
+ case 0x001e: // vhcurveto
+ if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 vhcurveto", nOps);
+ }
+ for (k = 0; k < nOps && k != nOps-5; k += 4) {
+ if (k % 8 == 0) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ charBuf->append((char)30);
+ } else {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ charBuf->append((char)31);
+ }
+ }
+ if (k == nOps-5) {
+ if (k % 8 == 0) {
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ } else {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ }
+ charBuf->append((char)8);
+ }
+ nOps = 0;
+ break;
+ case 0x001f: // hvcurveto
+ if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hvcurveto", nOps);
+ }
+ for (k = 0; k < nOps && k != nOps-5; k += 4) {
+ if (k % 8 == 0) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ charBuf->append((char)31);
+ } else {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ charBuf->append((char)30);
+ }
+ }
+ if (k == nOps-5) {
+ if (k % 8 == 0) {
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ } else {
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[k].num, ops[k].isFP, charBuf);
+ cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
+ cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
+ cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
+ cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
+ }
+ charBuf->append((char)8);
+ }
+ nOps = 0;
+ break;
+ case 0x0c00: // dotsection (should be Type 1 only?)
+ // ignored
+ nOps = 0;
+ break;
+ case 0x0c03: // and
+ case 0x0c04: // or
+ case 0x0c05: // not
+ case 0x0c08: // store
+ case 0x0c09: // abs
+ case 0x0c0a: // add
+ case 0x0c0b: // sub
+ case 0x0c0c: // div
+ case 0x0c0d: // load
+ case 0x0c0e: // neg
+ case 0x0c0f: // eq
+ case 0x0c12: // drop
+ case 0x0c14: // put
+ case 0x0c15: // get
+ case 0x0c16: // ifelse
+ case 0x0c17: // random
+ case 0x0c18: // mul
+ case 0x0c1a: // sqrt
+ case 0x0c1b: // dup
+ case 0x0c1c: // exch
+ case 0x0c1d: // index
+ case 0x0c1e: // roll
+ //~ error(-1, "Unimplemented Type 2 charstring op: 12.%d", file[i+1]);
+ nOps = 0;
+ break;
+ case 0x0c22: // hflex
+ if (nOps != 7) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hflex", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ charBuf->append((char)8);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[5].num, ops[5].isFP, charBuf);
+ cvtNum(-ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[6].num, ops[6].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ charBuf->append((char)8);
+ nOps = 0;
+ break;
+ case 0x0c23: // flex
+ if (nOps != 13) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 flex", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ cvtNum(ops[5].num, ops[5].isFP, charBuf);
+ charBuf->append((char)8);
+ cvtNum(ops[6].num, ops[6].isFP, charBuf);
+ cvtNum(ops[7].num, ops[7].isFP, charBuf);
+ cvtNum(ops[8].num, ops[8].isFP, charBuf);
+ cvtNum(ops[9].num, ops[9].isFP, charBuf);
+ cvtNum(ops[10].num, ops[10].isFP, charBuf);
+ cvtNum(ops[11].num, ops[11].isFP, charBuf);
+ charBuf->append((char)8);
+ nOps = 0;
+ break;
+ case 0x0c24: // hflex1
+ if (nOps != 9) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 hflex1", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ charBuf->append((char)8);
+ cvtNum(ops[5].num, ops[5].isFP, charBuf);
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(ops[6].num, ops[6].isFP, charBuf);
+ cvtNum(ops[7].num, ops[7].isFP, charBuf);
+ cvtNum(ops[8].num, ops[8].isFP, charBuf);
+ cvtNum(-(ops[1].num + ops[3].num + ops[7].num),
+ ops[1].isFP | ops[3].isFP | ops[7].isFP, charBuf);
+ charBuf->append((char)8);
+ nOps = 0;
+ break;
+ case 0x0c25: // flex1
+ if (nOps != 11) {
+ //~ error(-1, "Wrong number of args (%d) to Type 2 flex1", nOps);
+ }
+ cvtNum(ops[0].num, ops[0].isFP, charBuf);
+ cvtNum(ops[1].num, ops[1].isFP, charBuf);
+ cvtNum(ops[2].num, ops[2].isFP, charBuf);
+ cvtNum(ops[3].num, ops[3].isFP, charBuf);
+ cvtNum(ops[4].num, ops[4].isFP, charBuf);
+ cvtNum(ops[5].num, ops[5].isFP, charBuf);
+ charBuf->append((char)8);
+ cvtNum(ops[6].num, ops[6].isFP, charBuf);
+ cvtNum(ops[7].num, ops[7].isFP, charBuf);
+ cvtNum(ops[8].num, ops[8].isFP, charBuf);
+ cvtNum(ops[9].num, ops[9].isFP, charBuf);
+ dx = ops[0].num + ops[2].num + ops[4].num + ops[6].num + ops[8].num;
+ dy = ops[1].num + ops[3].num + ops[5].num + ops[7].num + ops[9].num;
+ if (fabs(dx) > fabs(dy)) {
+ cvtNum(ops[10].num, ops[10].isFP, charBuf);
+ cvtNum(-dy, ops[1].isFP | ops[3].isFP | ops[5].isFP |
+ ops[7].isFP | ops[9].isFP, charBuf);
+ } else {
+ cvtNum(-dx, ops[0].isFP | ops[2].isFP | ops[4].isFP |
+ ops[6].isFP | ops[8].isFP, charBuf);
+ cvtNum(ops[10].num, ops[10].isFP, charBuf);
+ }
+ charBuf->append((char)8);
+ nOps = 0;
+ break;
+ default:
+ //~ error(-1, "Illegal Type 2 charstring op: %04x",
+ //~ ops[nOps].op);
+ nOps = 0;
+ break;
+ }
+ }
+ }
+
+ // charstring encryption
+ if (top) {
+ r2 = 4330;
+ for (i = start; i < charBuf->getLength(); ++i) {
+ byte = charBuf->getChar(i) ^ (r2 >> 8);
+ charBuf->setChar(i, byte);
+ r2 = (byte + r2) * 52845 + 22719;
+ }
+ }
+}
+
+void FoFiType1C::cvtGlyphWidth(GBool useOp, GString *charBuf,
+ Type1CPrivateDict *pDict) {
+ double w;
+ GBool wFP;
+ int i;
+
+ if (useOp) {
+ w = pDict->nominalWidthX + ops[0].num;
+ wFP = pDict->nominalWidthXFP | ops[0].isFP;
+ for (i = 1; i < nOps; ++i) {
+ ops[i-1] = ops[i];
+ }
+ --nOps;
+ } else {
+ w = pDict->defaultWidthX;
+ wFP = pDict->defaultWidthXFP;
+ }
+ cvtNum(0, gFalse, charBuf);
+ cvtNum(w, wFP, charBuf);
+ charBuf->append((char)13);
+}
+
+void FoFiType1C::cvtNum(double x, GBool isFP, GString *charBuf) {
+ Guchar buf[12];
+ int y, n;
+
+ n = 0;
+ if (isFP) {
+ if (x >= -32768 && x < 32768) {
+ y = (int)(x * 256.0);
+ buf[0] = 255;
+ buf[1] = (Guchar)(y >> 24);
+ buf[2] = (Guchar)(y >> 16);
+ buf[3] = (Guchar)(y >> 8);
+ buf[4] = (Guchar)y;
+ buf[5] = 255;
+ buf[6] = 0;
+ buf[7] = 0;
+ buf[8] = 1;
+ buf[9] = 0;
+ buf[10] = 12;
+ buf[11] = 12;
+ n = 12;
+ } else {
+ //~ error(-1, "Type 2 fixed point constant out of range");
+ }
+ } else {
+ y = (int)x;
+ if (y >= -107 && y <= 107) {
+ buf[0] = (Guchar)(y + 139);
+ n = 1;
+ } else if (y > 107 && y <= 1131) {
+ y -= 108;
+ buf[0] = (Guchar)((y >> 8) + 247);
+ buf[1] = (Guchar)(y & 0xff);
+ n = 2;
+ } else if (y < -107 && y >= -1131) {
+ y = -y - 108;
+ buf[0] = (Guchar)((y >> 8) + 251);
+ buf[1] = (Guchar)(y & 0xff);
+ n = 2;
+ } else {
+ buf[0] = 255;
+ buf[1] = (Guchar)(y >> 24);
+ buf[2] = (Guchar)(y >> 16);
+ buf[3] = (Guchar)(y >> 8);
+ buf[4] = (Guchar)y;
+ n = 5;
+ }
+ }
+ charBuf->append((char *)buf, n);
+}
+
+void FoFiType1C::eexecWrite(Type1CEexecBuf *eb, char *s) {
+ Guchar *p;
+ Guchar x;
+
+ for (p = (Guchar *)s; *p; ++p) {
+ x = *p ^ (eb->r1 >> 8);
+ eb->r1 = (x + eb->r1) * 52845 + 22719;
+ if (eb->ascii) {
+ (*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
+ (*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
+ eb->line += 2;
+ if (eb->line == 64) {
+ (*eb->outputFunc)(eb->outputStream, "\n", 1);
+ eb->line = 0;
+ }
+ } else {
+ (*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
+ }
+ }
+}
+
+void FoFiType1C::eexecWriteCharstring(Type1CEexecBuf *eb,
+ Guchar *s, int n) {
+ Guchar x;
+ int i;
+
+ // eexec encryption
+ for (i = 0; i < n; ++i) {
+ x = s[i] ^ (eb->r1 >> 8);
+ eb->r1 = (x + eb->r1) * 52845 + 22719;
+ if (eb->ascii) {
+ (*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
+ (*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
+ eb->line += 2;
+ if (eb->line == 64) {
+ (*eb->outputFunc)(eb->outputStream, "\n", 1);
+ eb->line = 0;
+ }
+ } else {
+ (*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
+ }
+ }
+}
+
+GBool FoFiType1C::parse() {
+ Type1CIndex fdIdx;
+ Type1CIndexVal val;
+ int i;
+
+ parsedOk = gTrue;
+
+ // some tools embed Type 1C fonts with an extra whitespace char at
+ // the beginning
+ if (len > 0 && file[0] != '\x01') {
+ ++file;
+ --len;
+ }
+
+ // find the indexes
+ getIndex(getU8(2, &parsedOk), &nameIdx, &parsedOk);
+ getIndex(nameIdx.endPos, &topDictIdx, &parsedOk);
+ getIndex(topDictIdx.endPos, &stringIdx, &parsedOk);
+ getIndex(stringIdx.endPos, &gsubrIdx, &parsedOk);
+ if (!parsedOk) {
+ return gFalse;
+ }
+ gsubrBias = (gsubrIdx.len < 1240) ? 107
+ : (gsubrIdx.len < 33900) ? 1131 : 32768;
+
+ // read the first font name
+ getIndexVal(&nameIdx, 0, &val, &parsedOk);
+ if (!parsedOk) {
+ return gFalse;
+ }
+ name = new GString((char *)&file[val.pos], val.len);
+
+ // read the top dict for the first font
+ readTopDict();
+
+ // for CID fonts: read the FDArray dicts and private dicts
+ if (topDict.firstOp == 0x0c1e) {
+ if (topDict.fdArrayOffset == 0) {
+ nFDs = 1;
+ privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
+ readPrivateDict(0, 0, &privateDicts[0]);
+ } else {
+ getIndex(topDict.fdArrayOffset, &fdIdx, &parsedOk);
+ if (!parsedOk) {
+ return gFalse;
+ }
+ nFDs = fdIdx.len;
+ privateDicts = (Type1CPrivateDict *)
+ gmalloc(nFDs * sizeof(Type1CPrivateDict));
+ for (i = 0; i < nFDs; ++i) {
+ getIndexVal(&fdIdx, i, &val, &parsedOk);
+ if (!parsedOk) {
+ return gFalse;
+ }
+ readFD(val.pos, val.len, &privateDicts[i]);
+ }
+ }
+
+ // for 8-bit fonts: read the private dict
+ } else {
+ privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
+ readPrivateDict(topDict.privateOffset, topDict.privateSize,
+ &privateDicts[0]);
+ }
+
+ // check for parse errors in the private dict(s)
+ if (!parsedOk) {
+ return gFalse;
+ }
+
+ // get the charstrings index
+ if (topDict.charStringsOffset <= 0) {
+ parsedOk = gFalse;
+ return gFalse;
+ }
+ getIndex(topDict.charStringsOffset, &charStringsIdx, &parsedOk);
+ if (!parsedOk) {
+ return gFalse;
+ }
+ nGlyphs = charStringsIdx.len;
+
+ // for CID fonts: read the FDSelect table
+ if (topDict.firstOp == 0x0c1e) {
+ readFDSelect();
+ if (!parsedOk) {
+ return gFalse;
+ }
+ }
+
+ // read the charset
+ if (!readCharset()) {
+ parsedOk = gFalse;
+ return gFalse;
+ }
+
+ // for 8-bit fonts: build the encoding
+ if (topDict.firstOp != 0x0c14 && topDict.firstOp != 0x0c1e) {
+ buildEncoding();
+ if (!parsedOk) {
+ return gFalse;
+ }
+ }
+
+ return parsedOk;
+}
+
+void FoFiType1C::readTopDict() {
+ Type1CIndexVal topDictPtr;
+ int pos;
+
+ topDict.firstOp = -1;
+ topDict.versionSID = 0;
+ topDict.noticeSID = 0;
+ topDict.copyrightSID = 0;
+ topDict.fullNameSID = 0;
+ topDict.familyNameSID = 0;
+ topDict.weightSID = 0;
+ topDict.isFixedPitch = 0;
+ topDict.italicAngle = 0;
+ topDict.underlinePosition = -100;
+ topDict.underlineThickness = 50;
+ topDict.paintType = 0;
+ topDict.charstringType = 2;
+ topDict.fontMatrix[0] = 0.001;
+ topDict.fontMatrix[1] = 0;
+ topDict.fontMatrix[2] = 0;
+ topDict.fontMatrix[3] = 0.001;
+ topDict.fontMatrix[4] = 0;
+ topDict.fontMatrix[5] = 0;
+ topDict.uniqueID = 0;
+ topDict.fontBBox[0] = 0;
+ topDict.fontBBox[1] = 0;
+ topDict.fontBBox[2] = 0;
+ topDict.fontBBox[3] = 0;
+ topDict.strokeWidth = 0;
+ topDict.charsetOffset = 0;
+ topDict.encodingOffset = 0;
+ topDict.charStringsOffset = 0;
+ topDict.privateSize = 0;
+ topDict.privateOffset = 0;
+ topDict.registrySID = 0;
+ topDict.orderingSID = 0;
+ topDict.supplement = 0;
+ topDict.fdArrayOffset = 0;
+ topDict.fdSelectOffset = 0;
+
+ getIndexVal(&topDictIdx, 0, &topDictPtr, &parsedOk);
+ pos = topDictPtr.pos;
+ nOps = 0;
+ while (pos < topDictPtr.pos + topDictPtr.len) {
+ pos = getOp(pos, gFalse, &parsedOk);
+ if (!parsedOk) {
+ break;
+ }
+ if (!ops[nOps - 1].isNum) {
+ --nOps; // drop the operator
+ if (topDict.firstOp < 0) {
+ topDict.firstOp = ops[nOps].op;
+ }
+ switch (ops[nOps].op) {
+ case 0x0000: topDict.versionSID = (int)ops[0].num; break;
+ case 0x0001: topDict.noticeSID = (int)ops[0].num; break;
+ case 0x0c00: topDict.copyrightSID = (int)ops[0].num; break;
+ case 0x0002: topDict.fullNameSID = (int)ops[0].num; break;
+ case 0x0003: topDict.familyNameSID = (int)ops[0].num; break;
+ case 0x0004: topDict.weightSID = (int)ops[0].num; break;
+ case 0x0c01: topDict.isFixedPitch = (int)ops[0].num; break;
+ case 0x0c02: topDict.italicAngle = ops[0].num; break;
+ case 0x0c03: topDict.underlinePosition = ops[0].num; break;
+ case 0x0c04: topDict.underlineThickness = ops[0].num; break;
+ case 0x0c05: topDict.paintType = (int)ops[0].num; break;
+ case 0x0c06: topDict.charstringType = (int)ops[0].num; break;
+ case 0x0c07: topDict.fontMatrix[0] = ops[0].num;
+ topDict.fontMatrix[1] = ops[1].num;
+ topDict.fontMatrix[2] = ops[2].num;
+ topDict.fontMatrix[3] = ops[3].num;
+ topDict.fontMatrix[4] = ops[4].num;
+ topDict.fontMatrix[5] = ops[5].num; break;
+ case 0x000d: topDict.uniqueID = (int)ops[0].num; break;
+ case 0x0005: topDict.fontBBox[0] = ops[0].num;
+ topDict.fontBBox[1] = ops[1].num;
+ topDict.fontBBox[2] = ops[2].num;
+ topDict.fontBBox[3] = ops[3].num; break;
+ case 0x0c08: topDict.strokeWidth = ops[0].num; break;
+ case 0x000f: topDict.charsetOffset = (int)ops[0].num; break;
+ case 0x0010: topDict.encodingOffset = (int)ops[0].num; break;
+ case 0x0011: topDict.charStringsOffset = (int)ops[0].num; break;
+ case 0x0012: topDict.privateSize = (int)ops[0].num;
+ topDict.privateOffset = (int)ops[1].num; break;
+ case 0x0c1e: topDict.registrySID = (int)ops[0].num;
+ topDict.orderingSID = (int)ops[1].num;
+ topDict.supplement = (int)ops[2].num; break;
+ case 0x0c24: topDict.fdArrayOffset = (int)ops[0].num; break;
+ case 0x0c25: topDict.fdSelectOffset = (int)ops[0].num; break;
+ }
+ nOps = 0;
+ }
+ }
+}
+
+// Read a CID font dict (FD) - this pulls out the private dict
+// pointer, and reads the private dict.
+void FoFiType1C::readFD(int offset, int length, Type1CPrivateDict *pDict) {
+ int pos, pSize, pOffset;
+
+ pSize = pOffset = 0;
+ pos = offset;
+ nOps = 0;
+ while (pos < offset + length) {
+ pos = getOp(pos, gFalse, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ if (!ops[nOps - 1].isNum) {
+ if (ops[nOps - 1].op == 0x0012) {
+ if (nOps < 3) {
+ parsedOk = gFalse;
+ return;
+ }
+ pSize = (int)ops[0].num;
+ pOffset = (int)ops[1].num;
+ break;
+ }
+ nOps = 0;
+ }
+ }
+ readPrivateDict(pOffset, pSize, pDict);
+}
+
+void FoFiType1C::readPrivateDict(int offset, int length,
+ Type1CPrivateDict *pDict) {
+ int pos;
+
+ pDict->nBlueValues = 0;
+ pDict->nOtherBlues = 0;
+ pDict->nFamilyBlues = 0;
+ pDict->nFamilyOtherBlues = 0;
+ pDict->blueScale = 0.039625;
+ pDict->blueShift = 7;
+ pDict->blueFuzz = 1;
+ pDict->hasStdHW = gFalse;
+ pDict->hasStdVW = gFalse;
+ pDict->nStemSnapH = 0;
+ pDict->nStemSnapV = 0;
+ pDict->hasForceBold = gFalse;
+ pDict->forceBoldThreshold = 0;
+ pDict->languageGroup = 0;
+ pDict->expansionFactor = 0.06;
+ pDict->initialRandomSeed = 0;
+ pDict->subrsOffset = 0;
+ pDict->defaultWidthX = 0;
+ pDict->defaultWidthXFP = 0;
+ pDict->nominalWidthX = 0;
+ pDict->nominalWidthXFP = 0;
+
+ // no dictionary
+ if (offset == 0 || length == 0) {
+ return;
+ }
+
+ pos = offset;
+ nOps = 0;
+ while (pos < offset + length) {
+ pos = getOp(pos, gFalse, &parsedOk);
+ if (!parsedOk) {
+ break;
+ }
+ if (!ops[nOps - 1].isNum) {
+ --nOps; // drop the operator
+ switch (ops[nOps].op) {
+ case 0x0006:
+ pDict->nBlueValues = getDeltaIntArray(pDict->blueValues,
+ type1CMaxBlueValues);
+ break;
+ case 0x0007:
+ pDict->nOtherBlues = getDeltaIntArray(pDict->otherBlues,
+ type1CMaxOtherBlues);
+ break;
+ case 0x0008:
+ pDict->nFamilyBlues = getDeltaIntArray(pDict->familyBlues,
+ type1CMaxBlueValues);
+ break;
+ case 0x0009:
+ pDict->nFamilyOtherBlues = getDeltaIntArray(pDict->familyOtherBlues,
+ type1CMaxOtherBlues);
+ break;
+ case 0x0c09:
+ pDict->blueScale = ops[0].num;
+ break;
+ case 0x0c0a:
+ pDict->blueShift = (int)ops[0].num;
+ break;
+ case 0x0c0b:
+ pDict->blueFuzz = (int)ops[0].num;
+ break;
+ case 0x000a:
+ pDict->stdHW = ops[0].num;
+ pDict->hasStdHW = gTrue;
+ break;
+ case 0x000b:
+ pDict->stdVW = ops[0].num;
+ pDict->hasStdVW = gTrue;
+ break;
+ case 0x0c0c:
+ pDict->nStemSnapH = getDeltaFPArray(pDict->stemSnapH,
+ type1CMaxStemSnap);
+ break;
+ case 0x0c0d:
+ pDict->nStemSnapV = getDeltaFPArray(pDict->stemSnapV,
+ type1CMaxStemSnap);
+ break;
+ case 0x0c0e:
+ pDict->forceBold = ops[0].num != 0;
+ pDict->hasForceBold = gTrue;
+ break;
+ case 0x0c0f:
+ pDict->forceBoldThreshold = ops[0].num;
+ break;
+ case 0x0c11:
+ pDict->languageGroup = (int)ops[0].num;
+ break;
+ case 0x0c12:
+ pDict->expansionFactor = ops[0].num;
+ break;
+ case 0x0c13:
+ pDict->initialRandomSeed = (int)ops[0].num;
+ break;
+ case 0x0013:
+ pDict->subrsOffset = offset + (int)ops[0].num;
+ break;
+ case 0x0014:
+ pDict->defaultWidthX = ops[0].num;
+ break;
+ case 0x0015:
+ pDict->nominalWidthX = ops[0].num;
+ break;
+ }
+ nOps = 0;
+ }
+ }
+}
+
+void FoFiType1C::readFDSelect() {
+ int fdSelectFmt, pos, nRanges, gid0, gid1, fd, i, j;
+
+ fdSelect = (Guchar *)gmalloc(nGlyphs);
+ if (topDict.fdSelectOffset == 0) {
+ for (i = 0; i < nGlyphs; ++i) {
+ fdSelect[i] = 0;
+ }
+ } else {
+ pos = topDict.fdSelectOffset;
+ fdSelectFmt = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ if (fdSelectFmt == 0) {
+ if (!checkRegion(pos, nGlyphs)) {
+ parsedOk = gFalse;
+ return;
+ }
+ memcpy(fdSelect, file + pos, nGlyphs);
+ } else if (fdSelectFmt == 3) {
+ nRanges = getU16BE(pos, &parsedOk);
+ pos += 2;
+ gid0 = getU16BE(pos, &parsedOk);
+ pos += 2;
+ for (i = 1; i <= nRanges; ++i) {
+ fd = getU8(pos++, &parsedOk);
+ gid1 = getU16BE(pos, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ pos += 2;
+ if (gid0 > gid1 || gid1 > nGlyphs) {
+ //~ error(-1, "Bad FDSelect table in CID font");
+ parsedOk = gFalse;
+ return;
+ }
+ for (j = gid0; j < gid1; ++j) {
+ fdSelect[j] = fd;
+ }
+ gid0 = gid1;
+ }
+ } else {
+ //~ error(-1, "Unknown FDSelect table format in CID font");
+ for (i = 0; i < nGlyphs; ++i) {
+ fdSelect[i] = 0;
+ }
+ }
+ }
+}
+
+void FoFiType1C::buildEncoding() {
+ char buf[256];
+ int nCodes, nRanges, encFormat;
+ int pos, c, sid, nLeft, nSups, i, j;
+
+ if (topDict.encodingOffset == 0) {
+ encoding = fofiType1StandardEncoding;
+
+ } else if (topDict.encodingOffset == 1) {
+ encoding = fofiType1ExpertEncoding;
+
+ } else {
+ encoding = (char **)gmalloc(256 * sizeof(char *));
+ for (i = 0; i < 256; ++i) {
+ encoding[i] = NULL;
+ }
+ pos = topDict.encodingOffset;
+ encFormat = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ if ((encFormat & 0x7f) == 0) {
+ nCodes = 1 + getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ if (nCodes > nGlyphs) {
+ nCodes = nGlyphs;
+ }
+ for (i = 1; i < nCodes; ++i) {
+ c = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ if (encoding[c]) {
+ gfree(encoding[c]);
+ }
+ encoding[c] = copyString(getString(charset[i], buf, &parsedOk));
+ }
+ } else if ((encFormat & 0x7f) == 1) {
+ nRanges = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ nCodes = 1;
+ for (i = 0; i < nRanges; ++i) {
+ c = getU8(pos++, &parsedOk);
+ nLeft = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ for (j = 0; j <= nLeft && nCodes < nGlyphs; ++j) {
+ if (c < 256) {
+ if (encoding[c]) {
+ gfree(encoding[c]);
+ }
+ encoding[c] = copyString(getString(charset[nCodes], buf,
+ &parsedOk));
+ }
+ ++nCodes;
+ ++c;
+ }
+ }
+ }
+ if (encFormat & 0x80) {
+ nSups = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ return;
+ }
+ for (i = 0; i < nSups; ++i) {
+ c = getU8(pos++, &parsedOk);;
+ if (!parsedOk) {
+ return;;
+ }
+ sid = getU16BE(pos, &parsedOk);
+ pos += 2;
+ if (!parsedOk) {
+ return;
+ }
+ if (encoding[c]) {
+ gfree(encoding[c]);
+ }
+ encoding[c] = copyString(getString(sid, buf, &parsedOk));
+ }
+ }
+ }
+}
+
+GBool FoFiType1C::readCharset() {
+ int charsetFormat, c, pos;
+ int nLeft, i, j;
+
+ if (topDict.charsetOffset == 0) {
+ charset = fofiType1CISOAdobeCharset;
+ } else if (topDict.charsetOffset == 1) {
+ charset = fofiType1CExpertCharset;
+ } else if (topDict.charsetOffset == 2) {
+ charset = fofiType1CExpertSubsetCharset;
+ } else {
+ charset = (Gushort *)gmalloc(nGlyphs * sizeof(Gushort));
+ for (i = 0; i < nGlyphs; ++i) {
+ charset[i] = 0;
+ }
+ pos = topDict.charsetOffset;
+ charsetFormat = getU8(pos++, &parsedOk);
+ if (charsetFormat == 0) {
+ for (i = 1; i < nGlyphs; ++i) {
+ charset[i] = (Gushort)getU16BE(pos, &parsedOk);
+ pos += 2;
+ if (!parsedOk) {
+ break;
+ }
+ }
+ } else if (charsetFormat == 1) {
+ i = 1;
+ while (i < nGlyphs) {
+ c = getU16BE(pos, &parsedOk);
+ pos += 2;
+ nLeft = getU8(pos++, &parsedOk);
+ if (!parsedOk) {
+ break;
+ }
+ for (j = 0; j <= nLeft && i < nGlyphs; ++j) {
+ charset[i++] = (Gushort)c++;
+ }
+ }
+ } else if (charsetFormat == 2) {
+ i = 1;
+ while (i < nGlyphs) {
+ c = getU16BE(pos, &parsedOk);
+ pos += 2;
+ nLeft = getU16BE(pos, &parsedOk);
+ pos += 2;
+ if (!parsedOk) {
+ break;
+ }
+ for (j = 0; j <= nLeft && i < nGlyphs; ++j) {
+ charset[i++] = (Gushort)c++;
+ }
+ }
+ }
+ if (!parsedOk) {
+ gfree(charset);
+ charset = NULL;
+ return gFalse;
+ }
+ }
+ return gTrue;
+}
+
+int FoFiType1C::getOp(int pos, GBool charstring, GBool *ok) {
+ static char nybChars[16] = "0123456789.ee -";
+ Type1COp op;
+ char buf[65];
+ int b0, b1, nyb0, nyb1, x, i;
+
+ b0 = getU8(pos++, ok);
+ op.isNum = gTrue;
+ op.isFP = gFalse;
+
+ if (b0 == 28) {
+ x = getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ if (x & 0x8000) {
+ x |= ~0xffff;
+ }
+ op.num = x;
+
+ } else if (!charstring && b0 == 29) {
+ x = getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ if (x & 0x80000000) {
+ x |= ~0xffffffff;
+ }
+ op.num = x;
+
+ } else if (!charstring && b0 == 30) {
+ i = 0;
+ do {
+ b1 = getU8(pos++, ok);
+ nyb0 = b1 >> 4;
+ nyb1 = b1 & 0x0f;
+ if (nyb0 == 0xf) {
+ break;
+ }
+ buf[i++] = nybChars[nyb0];
+ if (i == 64) {
+ break;
+ }
+ if (nyb0 == 0xc) {
+ buf[i++] = '-';
+ }
+ if (i == 64) {
+ break;
+ }
+ if (nyb1 == 0xf) {
+ break;
+ }
+ buf[i++] = nybChars[nyb1];
+ if (i == 64) {
+ break;
+ }
+ if (nyb1 == 0xc) {
+ buf[i++] = '-';
+ }
+ } while (i < 64);
+ buf[i] = '\0';
+ op.num = atof(buf);
+ op.isFP = gTrue;
+
+ } else if (b0 >= 32 && b0 <= 246) {
+ op.num = b0 - 139;
+
+ } else if (b0 >= 247 && b0 <= 250) {
+ op.num = ((b0 - 247) << 8) + getU8(pos++, ok) + 108;
+
+ } else if (b0 >= 251 && b0 <= 254) {
+ op.num = -((b0 - 251) << 8) - getU8(pos++, ok) - 108;
+
+ } else if (charstring && b0 == 255) {
+ x = getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ x = (x << 8) | getU8(pos++, ok);
+ if (x & 0x80000000) {
+ x |= ~0xffffffff;
+ }
+ op.num = (double)x / 65536.0;
+ op.isFP = gTrue;
+
+ } else if (b0 == 12) {
+ op.isNum = gFalse;
+ op.op = 0x0c00 + getU8(pos++, ok);
+
+ } else {
+ op.isNum = gFalse;
+ op.op = b0;
+ }
+
+ if (nOps < 49) {
+ ops[nOps++] = op;
+ }
+
+ return pos;
+}
+
+// Convert the delta-encoded ops array to an array of ints.
+int FoFiType1C::getDeltaIntArray(int *arr, int maxLen) {
+ int x;
+ int n, i;
+
+ if ((n = nOps) > maxLen) {
+ n = maxLen;
+ }
+ x = 0;
+ for (i = 0; i < n; ++i) {
+ x += (int)ops[i].num;
+ arr[i] = x;
+ }
+ return n;
+}
+
+// Convert the delta-encoded ops array to an array of doubles.
+int FoFiType1C::getDeltaFPArray(double *arr, int maxLen) {
+ double x;
+ int n, i;
+
+ if ((n = nOps) > maxLen) {
+ n = maxLen;
+ }
+ x = 0;
+ for (i = 0; i < n; ++i) {
+ x += ops[i].num;
+ arr[i] = x;
+ }
+ return n;
+}
+
+void FoFiType1C::getIndex(int pos, Type1CIndex *idx, GBool *ok) {
+ idx->pos = pos;
+ idx->len = getU16BE(pos, ok);
+ if (idx->len == 0) {
+ // empty indexes are legal
+ idx->offSize = 0;
+ idx->startPos = idx->endPos = 0;
+ } else {
+ idx->offSize = getU8(pos + 2, ok);
+ if (idx->offSize < 1 || idx->offSize > 4) {
+ *ok = gFalse;
+ }
+ idx->startPos = pos + 3 + (idx->len + 1) * idx->offSize - 1;
+ if (idx->startPos < 0 || idx->startPos >= len) {
+ *ok = gFalse;
+ }
+ idx->endPos = idx->startPos + getUVarBE(pos + 3 + idx->len * idx->offSize,
+ idx->offSize, ok);
+ if (idx->endPos < idx->startPos || idx->endPos > len) {
+ *ok = gFalse;
+ }
+ }
+}
+
+void FoFiType1C::getIndexVal(Type1CIndex *idx, int i,
+ Type1CIndexVal *val, GBool *ok) {
+ int pos0, pos1;
+
+ if (i < 0 || i >= idx->len) {
+ *ok = gFalse;
+ return;
+ }
+ pos0 = idx->startPos + getUVarBE(idx->pos + 3 + i * idx->offSize,
+ idx->offSize, ok);
+ pos1 = idx->startPos + getUVarBE(idx->pos + 3 + (i + 1) * idx->offSize,
+ idx->offSize, ok);
+ if (pos0 < idx->startPos || pos0 >= idx->endPos ||
+ pos1 <= idx->startPos || pos1 > idx->endPos ||
+ pos1 < pos0) {
+ *ok = gFalse;
+ }
+ val->pos = pos0;
+ val->len = pos1 - pos0;
+}
+
+char *FoFiType1C::getString(int sid, char *buf, GBool *ok) {
+ Type1CIndexVal val;
+ int n;
+
+ if (sid < 391) {
+ strcpy(buf, fofiType1CStdStrings[sid]);
+ } else {
+ sid -= 391;
+ getIndexVal(&stringIdx, sid, &val, ok);
+ if (ok) {
+ if ((n = val.len) > 255) {
+ n = 255;
+ }
+ strncpy(buf, (char *)&file[val.pos], n);
+ buf[n] = '\0';
+ } else {
+ buf[0] = '\0';
+ }
+ }
+ return buf;
+}
git.asbjorn.biz / swftools.git / blobdiff