[gs-bugs] [Bug 691457] PDF without fonts will not display

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=691457

akay <akay at 21cn.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |

--- Comment #2 from akay <akay at 21cn.com> 2010-07-20 09:40:13 UTC ---
Hi,I make a patch to view the buggy pdf.(Reference from
http://code.google.com/p/sumatrapdf/issues/detail?id=844)

--- c:/pdf_fontfile.c    星期三 七月 14 19:02:22 2010
+++ d:/MyProgram/MuPdf/mupdf/pdf_fontfile.c    星期二 七月 20 17:35:17 2010
@@ -216,6 +216,9 @@
         fz_warn("unknown cid collection: %s", collection);
     }

+    if (strlen(fontname) == 0)
+        return loadsystemcidfont(fontdesc, GB, MINCHO);
+
     if (isscript)
         name = "Chancery";

--- c:/pdf_font.c    星期三 七月 14 19:02:22 2010
+++ d:/MyProgram/MuPdf/mupdf/pdf_font.c    星期二 七月 20 17:29:56 2010
@@ -456,6 +456,12 @@
         }
     }

+    error = pdf_loadsystemcmap(&fontdesc->encoding, "GBK-EUC-H");
+    error |= pdf_loadsystemcmap(&fontdesc->tounicode, "Adobe-GB1-UCS2");
+    error |= pdf_loadsystemcmap(&fontdesc->tottfcmap, "Adobe-GB1-UCS2");
+    if (!error)
+        goto skipencoding;
+
     /* try to reverse the glyph names from the builtin encoding */
     for (i = 0; i < 256; i++)
     {
@@ -483,7 +489,7 @@
     error = pdf_loadtounicode(fontdesc, xref, estrings, nil, fz_dictgets(dict,
"ToUnicode"));
     if (error)
         goto cleanup;
-
+skipencoding:
     /*
      * Widths
      */

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