[poppler] poppler/poppler: CairoFontEngine.cc,1.19,1.20

[Kristian Høgsberg]

Update of /cvs/poppler/poppler/poppler
In directory gabe:/tmp/cvs-serv26668/poppler

Modified Files:
	CairoFontEngine.cc 
Log Message:
2005-12-21  Kristian Høgsberg  <krh at redhat.com>

        * utils/Makefile.am: Add parseargs.h to sources and add
        -I$(top_srcdir)/poppler to INCLUDES.

        * poppler/CairoFontEngine.cc: Apply patch from Hiroyuki Ikezoe to
        man non-embedded CJK fonts work.



Index: CairoFontEngine.cc
===================================================================
RCS file: /cvs/poppler/poppler/poppler/CairoFontEngine.cc,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -d -r1.19 -r1.20
--- CairoFontEngine.cc	5 Dec 2005 20:46:22 -0000	1.19
+++ CairoFontEngine.cc	21 Dec 2005 17:30:33 -0000	1.20
@@ -12,6 +12,7 @@
 #include "config.h"
 #include <string.h>
 #include "CairoFontEngine.h"
+#include "CharCodeToUnicode.h"
 #include "GlobalParams.h"
 #include <fofi/FoFiTrueType.h>
 #include <fofi/FoFiType1C.h>
@@ -43,14 +44,17 @@
   GooString *tmpFileName, *fileName, *substName,*tmpFileName2;
   DisplayFontParam *dfp;
   FILE *tmpFile;
-  int c, i, n;
+  int c, i, n, code, cmap;
   GfxFontType fontType;
   char **enc;
   char *name;
   FoFiTrueType *ff;
   FoFiType1C *ff1c;
+  CharCodeToUnicode *ctu;
+  Unicode uBuf[8];
   static cairo_user_data_key_t cairo_font_face_key;
   
+  dfp = NULL;
   codeToGID = NULL;
   codeToGIDLen = 0;
   cairo_font_face = NULL;
@@ -123,11 +127,49 @@
     break;
     
   case fontCIDType2:
-    n = ((GfxCIDFont *)gfxFont)->getCIDToGIDLen();
+    codeToGID = NULL;
+    n = 0;
+    if (dfp) {
+      // create a CID-to-GID mapping, via Unicode
+      if ((ctu = ((GfxCIDFont *)gfxFont)->getToUnicode())) {
+        if ((ff = FoFiTrueType::load(fileName->getCString()))) {
+          // look for a Unicode cmap
+          for (cmap = 0; cmap < ff->getNumCmaps(); ++cmap) {
+            if ((ff->getCmapPlatform(cmap) == 3 &&
+                 ff->getCmapEncoding(cmap) == 1) ||
+                 ff->getCmapPlatform(cmap) == 0) {
+              break;
+            }
+          }
+          if (cmap < ff->getNumCmaps()) {
+            // map CID -> Unicode -> GID
+            n = ctu->getLength();
+            codeToGID = (Gushort *)gmallocn(n, sizeof(Gushort));
+            for (code = 0; code < n; ++code) {
+              if (ctu->mapToUnicode(code, uBuf, 8) > 0) {
+                  codeToGID[code] = ff->mapCodeToGID(cmap, uBuf[0]);
+              } else {
+                codeToGID[code] = 0;
+              }
+            }
+          }
+          delete ff;
+        }
+        ctu->decRefCnt();
+      } else {
+        error(-1, "Couldn't find a mapping to Unicode for font '%s'",
+              gfxFont->getName() ? gfxFont->getName()->getCString()
+                        : "(unnamed)");
+      }
+    } else {
+      if (((GfxCIDFont *)gfxFont)->getCIDToGID()) {
+	n = ((GfxCIDFont *)gfxFont)->getCIDToGIDLen();
+	codeToGID = (Gushort *)gmallocn(n, sizeof(Gushort));
+	memcpy(codeToGID, ((GfxCIDFont *)gfxFont)->getCIDToGID(),
+	       n * sizeof(Gushort));
+      }
+    }
     codeToGIDLen = n;
-    codeToGID = (Gushort *)gmallocn(n, sizeof(Gushort));
-    memcpy(codeToGID, ((GfxCIDFont *)gfxFont)->getCIDToGID(),
-	   n * sizeof(Gushort));
     /* Fall through */
   case fontTrueType:
     if (!(ff = FoFiTrueType::load(fileName->getCString()))) {