Merge pull request #11660 from janpe2/type1notdef

Fix Type1 font parsing when .notdef is not at index zero

src/core/type1_parser.js

@@ -679,13 +679,19 @@ var Type1Parser = (function Type1ParserClosure() {
           // here and put an endchar to make the validator happy.
           output = [14];
         }
-        program.charstrings.push({
+        const charStringObject = {
           glyphName: glyph,
           charstring: output,
           width: charString.width,
           lsb: charString.lsb,
           seac: charString.seac,
-        });
+        };
+        if (glyph === ".notdef") {
+          // Make sure .notdef is at index zero (issue #11477).
+          program.charstrings.unshift(charStringObject);
+        } else {
+          program.charstrings.push(charStringObject);
+        }
 
         // Attempt to replace missing widths, from the font dictionary /Widths
         // entry, with ones from the font data (fixes issue11150_reduced.pdf).

test/pdfs/.gitignore

@@ -299,6 +299,7 @@
 !issue4573.pdf
 !issue4722.pdf
 !issue4800.pdf
+!issue11477_reduced.pdf
 !text_clip_cff_cid.pdf
 !issue4801.pdf
 !issue5334.pdf

test/test_manifest.json

@@ -1456,6 +1456,12 @@
        "rounds": 1,
        "type": "eq"
     },
+    {  "id": "issue11477",
+       "file": "pdfs/issue11477_reduced.pdf",
+       "md5": "f4e5735569afce79e52b3fd56d10ae13",
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "issue7665",
        "file": "pdfs/issue7665.pdf",
        "md5": "f1199d16195a61e8232e2d1e742ed46b",