Rename IRQueue and codeIR -> operatorList

src/canvas.js

@@ -188,7 +188,7 @@ function addContextCurrentTransform(ctx) {
 }
 
 var CanvasGraphics = (function CanvasGraphicsClosure() {
-  // Defines the time the executeIRQueue is going to be executing
+  // Defines the time the executeOperatorList is going to be executing
   // before it stops and shedules a continue of execution.
   var kExecutionTime = 50;
 
@@ -267,15 +267,16 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
         this.textLayer.beginLayout();
     },
 
-    executeIRQueue: function canvasGraphicsExecuteIRQueue(codeIR,
-                                  executionStartIdx, continueCallback,
-                                  stepper) {
-      var argsArray = codeIR.argsArray;
-      var fnArray = codeIR.fnArray;
+    executeOperatorList: function canvasGraphicsExecuteOperatorList(
+                                    operatorList,
+                                    executionStartIdx, continueCallback,
+                                    stepper) {
+      var argsArray = operatorList.argsArray;
+      var fnArray = operatorList.fnArray;
       var i = executionStartIdx || 0;
       var argsArrayLen = argsArray.length;
 
-      // Sometimes the IRQueue to execute is empty.
+      // Sometimes the OperatorList to execute is empty.
       if (argsArrayLen == i) {
         return i;
       }
@@ -313,7 +314,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
 
         i++;
 
-        // If the entire IRQueue was executed, stop as were done.
+        // If the entire operatorList was executed, stop as were done.
         if (i == argsArrayLen) {
           return i;
         }
@@ -326,8 +327,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
           return i;
         }
 
-        // If the IRQueue isn't executed completly yet OR the execution time
-        // was short enough, do another execution round.
+        // If the operatorList isn't executed completely yet OR the execution
+        // time was short enough, do another execution round.
       }
     },
 
@@ -706,7 +707,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
           this.save();
           ctx.scale(fontSize, fontSize);
           ctx.transform.apply(ctx, fontMatrix);
-          this.executeIRQueue(glyph.codeIRQueue);
+          this.executeOperatorList(glyph.operatorList);
           this.restore();
 
           var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);

src/core.js

@@ -170,10 +170,10 @@ var Page = (function PageClosure() {
       return shadow(this, 'rotate', rotate);
     },
 
-    startRenderingFromIRQueue: function pageStartRenderingFromIRQueue(
-                                                IRQueue, fonts) {
+    startRenderingFromOperatorList: function pageStartRenderingFromOperatorList(
+                                                operatorList, fonts) {
       var self = this;
-      this.IRQueue = IRQueue;
+      this.operatorList = operatorList;
 
       var displayContinuation = function pageDisplayContinuation() {
         // Always defer call to display() to work around bug in
@@ -184,15 +184,16 @@ var Page = (function PageClosure() {
       };
 
       this.ensureFonts(fonts,
-                       function pageStartRenderingFromIRQueueEnsureFonts() {
-        displayContinuation();
-      });
+        function pageStartRenderingFromOperatorListEnsureFonts() {
+          displayContinuation();
+        }
+      );
     },
 
-    getIRQueue: function pageGetIRQueue(handler, dependency) {
-      if (this.IRQueue) {
+    getOperatorList: function pageGetOperatorList(handler, dependency) {
+      if (this.operatorList) {
         // content was compiled
-        return this.IRQueue;
+        return this.operatorList;
       }
 
       this.stats.time('Build IR Queue');
@@ -214,9 +215,9 @@ var Page = (function PageClosure() {
       var pe = this.pe = new PartialEvaluator(
                                 xref, handler, 'p' + this.pageNumber + '_');
 
-      this.IRQueue = pe.getIRQueue(content, resources, dependency);
+      this.operatorList = pe.getOperatorList(content, resources, dependency));
       this.stats.timeEnd('Build IR Queue');
-      return this.IRQueue;
+      return this.operatorList;
     },
 
     ensureFonts: function pageEnsureFonts(fonts, callback) {
@@ -253,18 +254,19 @@ var Page = (function PageClosure() {
             rotate: this.rotate });
 
       var startIdx = 0;
-      var length = this.IRQueue.fnArray.length;
-      var IRQueue = this.IRQueue;
+      var length = this.operatorList.fnArray.length;
+      var operatorList = this.operatorList;
       var stepper = null;
       if (PDFJS.pdfBug && StepperManager.enabled) {
         stepper = StepperManager.create(this.pageNumber);
-        stepper.init(IRQueue);
+        stepper.init(operatorList);
         stepper.nextBreakPoint = stepper.getNextBreakPoint();
       }
 
       var self = this;
       function next() {
-        startIdx = gfx.executeIRQueue(IRQueue, startIdx, next, stepper);
+        startIdx =
+          gfx.executeOperatorList(operatorList, startIdx, next, stepper);
         if (startIdx == length) {
           gfx.endDrawing();
           stats.timeEnd('Rendering');
@@ -434,13 +436,14 @@ var Page = (function PageClosure() {
     startRendering: function pageStartRendering(ctx, callback, textLayer)  {
       var stats = this.stats;
       stats.time('Overall');
-      // If there is no displayReadyPromise yet, then the IRQueue was never
+      // If there is no displayReadyPromise yet, then the operatorList was never
       // requested before. Make the request and create the promise.
       if (!this.displayReadyPromise) {
         this.pdf.startRendering(this);
         this.displayReadyPromise = new Promise();
       }
-      // Once the IRQueue and fonts are loaded, perform the actual rendering.
+
+      // Once the operatorList and fonts are loaded, do the actual rendering.
       this.displayReadyPromise.then(
         function pageDisplayReadyPromise() {
           var gfx = new CanvasGraphics(ctx, this.objs, textLayer);
@@ -728,8 +731,9 @@ var PDFDoc = (function PDFDocClosure() {
         var pageNum = data.pageNum;
         var page = this.pageCache[pageNum];
         var depFonts = data.depFonts;
+
         page.stats.timeEnd('Page Request');
-        page.startRenderingFromIRQueue(data.IRQueue, depFonts);
+        page.startRenderingFromOperatorList(data.operatorList, depFonts);
       }, this);
 
       messageHandler.on('obj', function pdfDocObj(data) {

src/evaluator.js

@@ -112,7 +112,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
   };
 
   PartialEvaluator.prototype = {
-    getIRQueue: function partialEvaluatorGetIRQueue(stream, resources,
+    getOperatorList: function partialEvaluatorGetOperatorList(stream, resources,
                                                       dependency, queue) {
 
       var self = this;
@@ -175,7 +175,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
         // Ensure the font is ready before the font is set
         // and later on used for drawing.
-        // OPTIMIZE: This should get insert to the IRQueue only once per
+        // OPTIMIZE: This should get insert to the operatorList only once per
         // page.
         insertDependency([loadedName]);
         return loadedName;
@@ -293,14 +293,14 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
                 if (typeNum == TILING_PATTERN) {
                   // Create an IR of the pattern code.
                   var depIdx = dependencyArray.length;
-                  var codeIR = this.getIRQueue(pattern, dict.get('Resources') ||
-                      resources, dependencyArray);
+                  var operatorList = this.getOperatorList(pattern,
+                      dict.get('Resources') || resources, dependencyArray);
 
                   // Add the dependencies that are required to execute the
-                  // codeIR.
+                  // operatorList.
                   insertDependency(dependencyArray.slice(depIdx));
 
-                  args = TilingPattern.getIR(codeIR, dict, args);
+                  args = TilingPattern.getIR(operatorList, dict, args);
                 }
                 else if (typeNum == SHADING_PATTERN) {
                   var shading = xref.fetchIfRef(dict.get('Shading'));
@@ -334,17 +334,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
                 fnArray.push('paintFormXObjectBegin');
                 argsArray.push([matrix, bbox]);
 
-                // This adds the IRQueue of the xObj to the current queue.
+                // This adds the operatorList of the xObj to the current queue.
                 var depIdx = dependencyArray.length;
 
                 // Pass in the current `queue` object. That means the `fnArray`
                 // and the `argsArray` in this scope is reused and new commands
                 // are added to them.
-                this.getIRQueue(xobj, xobj.dict.get('Resources') || resources,
+                this.getOperatorList(xobj,
+                    xobj.dict.get('Resources') || resources,
                     dependencyArray, queue);
 
                // Add the dependencies that are required to execute the
-               // codeIR.
+               // operatorList.
                insertDependency(dependencyArray.slice(depIdx));
 
                 fn = 'paintFormXObjectEnd';
@@ -852,11 +853,11 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         var charProcs = xref.fetchIfRef(dict.get('CharProcs'));
         var fontResources = xref.fetchIfRef(dict.get('Resources')) || resources;
         properties.resources = fontResources;
-        properties.charProcIRQueues = {};
+        properties.charProcOperatorLists = {};
         for (var key in charProcs.map) {
           var glyphStream = xref.fetchIfRef(charProcs.map[key]);
-          properties.charProcIRQueues[key] =
-            this.getIRQueue(glyphStream, fontResources, dependency);
+          properties.charProcOperatorList[key] =
+            this.getOperatorList(glyphStream, fontResources, dependency);
         }
       }
 

src/fonts.js

@@ -757,7 +757,7 @@ var Font = (function FontClosure() {
   function Font(name, file, properties) {
     this.name = name;
     this.coded = properties.coded;
-    this.charProcIRQueues = properties.charProcIRQueues;
+    this.charProcOperatorList = properties.charProcOperatorList;
     this.resources = properties.resources;
     this.sizes = [];
 
@@ -2318,7 +2318,7 @@ var Font = (function FontClosure() {
     },
 
     charToGlyph: function fonts_charToGlyph(charcode) {
-      var fontCharCode, width, codeIRQueue;
+      var fontCharCode, width, operatorList;
 
       var width = this.widths[charcode];
 
@@ -2353,7 +2353,7 @@ var Font = (function FontClosure() {
           break;
         case 'Type3':
           var glyphName = this.differences[charcode] || this.encoding[charcode];
-          codeIRQueue = this.charProcIRQueues[glyphName];
+          operatorList = this.charProcOperatorList[glyphName];
           fontCharCode = charcode;
           break;
         case 'TrueType':
@@ -2396,7 +2396,7 @@ var Font = (function FontClosure() {
         fontChar: String.fromCharCode(fontCharCode),
         unicode: unicodeChars,
         width: width,
-        codeIRQueue: codeIRQueue
+        operatorList: operatorList
       };
     },
 

src/pattern.js

@@ -190,7 +190,7 @@ var TilingPattern = (function TilingPatternClosure() {
   var MAX_PATTERN_SIZE = 512;
 
   function TilingPattern(IR, color, ctx, objs) {
-    var IRQueue = IR[2];
+    var operatorList = IR[2];
     this.matrix = IR[3];
     var bbox = IR[4];
     var xstep = IR[5];
@@ -259,12 +259,12 @@ var TilingPattern = (function TilingPatternClosure() {
       graphics.endPath();
     }
 
-    graphics.executeIRQueue(IRQueue);
+    graphics.executeOperatorList(operatorList);
 
     this.canvas = tmpCanvas;
   }
 
-  TilingPattern.getIR = function tiling_getIR(codeIR, dict, args) {
+  TilingPattern.getIR = function tiling_getIR(operatorList, dict, args) {
     var matrix = dict.get('Matrix');
     var bbox = dict.get('BBox');
     var xstep = dict.get('XStep');
@@ -272,7 +272,7 @@ var TilingPattern = (function TilingPatternClosure() {
     var paintType = dict.get('PaintType');
 
     return [
-      'TilingPattern', args, codeIR, matrix, bbox, xstep, ystep, paintType
+      'TilingPattern', args, operatorList, matrix, bbox, xstep, ystep, paintType
     ];
   };
 

src/worker.js

@@ -103,14 +103,14 @@ var WorkerMessageHandler = {
       var start = Date.now();
 
       var dependency = [];
-      var IRQueue = null;
+      var operatorList = null;
       try {
         var page = pdfModel.getPage(pageNum);
         // Pre compile the pdf page and fetch the fonts/images.
-        IRQueue = page.getIRQueue(handler, dependency);
+        operatorList = page.getOperatorList(handler, dependency);
       } catch (e) {
         var minimumStackMessage =
-            'worker.js: while trying to getPage() and getIRQueue()';
+            'worker.js: while trying to getPage() and getOperatorList()';
 
         // Turn the error into an obj that can be serialized
         if (typeof e === 'string') {
@@ -137,8 +137,8 @@ var WorkerMessageHandler = {
         return;
       }
 
-      console.log('page=%d - getIRQueue: time=%dms, len=%d', pageNum,
-                                  Date.now() - start, IRQueue.fnArray.length);
+      console.log('page=%d - getOperatorList: time=%dms, len=%d', pageNum,
+                              Date.now() - start, operatorList.fnArray.length);
 
       // Filter the dependecies for fonts.
       var fonts = {};
@@ -151,7 +151,7 @@ var WorkerMessageHandler = {
 
       handler.send('page', {
         pageNum: pageNum,
-        IRQueue: IRQueue,
+        operatorList: operatorList,
         depFonts: Object.keys(fonts)
       });
     }, this);