Fix type3 font loading regression.

src/evaluator.js

@@ -520,28 +520,33 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         return promise;
       }
 
-      var loadedName = font.loadedName;
+      if (font.loaded) {
-      if (!loadedName) {
+        promise.resolve({
+          font: font,
+          dependencies: {}
+        });
+        return promise;
+      }
+
       // keep track of each font we translated so the caller can
       // load them asynchronously before calling display on a page
-        loadedName = 'g_font_' + this.uniquePrefix + (this.idCounters.font + 1);
+      font.loadedName = 'g_font_' + this.uniquePrefix +
-        font.loadedName = loadedName;
+                        (this.idCounters.font + 1);
 
+      if (!font.translated) {
         var translated;
         try {
           translated = this.translateFont(font, xref);
         } catch (e) {
           if (e instanceof MissingDataException) {
-            font.loadedName = null;
             throw e;
           }
           translated = new ErrorFont(e instanceof Error ? e.message : e);
         }
         font.translated = translated;
+      }
 
-        if (translated.loadCharProcs) {
+      if (font.translated.loadCharProcs) {
-          delete translated.loadCharProcs;
-
         var charProcs = font.get('CharProcs').getAll();
         var fontResources = font.get('Resources') || resources;
         var opListPromises = [];
@@ -561,21 +566,17 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
             charProcOperatorList[key] = data.queue;
             Util.extendObj(dependencies, data.dependencies);
           }
-            translated.charProcOperatorList = charProcOperatorList;
+          font.translated.charProcOperatorList = charProcOperatorList;
+          font.loaded = true;
+          ++this.idCounters.font;
           promise.resolve({
             font: font,
             dependencies: dependencies
           });
-          });
+        }.bind(this));
       } else {
-          promise.resolve({
-            font: font,
-            dependencies: {}
-          });
-        }
-
         ++this.idCounters.font;
-      } else {
+        font.loaded = true;
         promise.resolve({
           font: font,
           dependencies: {}

test/test_manifest.json

@@ -467,6 +467,13 @@
        "rounds": 1,
        "type": "eq"
     },
+    {  "id": "issue3188",
+      "file": "pdfs/issue3188.pdf",
+      "md5": "161b72604d86f40ab2f765ddd3b61227",
+      "rounds": 1,
+      "lastPage": 1,
+      "type": "eq"
+    },
     {  "id": "issue1586",
       "file": "pdfs/pdfjsbad1586.pdf",
       "md5": "793d0870f0b0c613799b0677d64daca4",