Merge branch 'master' of https://github.com/mozilla/pdf.js into nativedecode

src/canvas.js

@@ -255,6 +255,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       }
       // Scale so that canvas units are the same as PDF user space units
       this.ctx.scale(cw / mediaBox.width, ch / mediaBox.height);
+      // Move the media left-top corner to the (0,0) canvas position
+      this.ctx.translate(-mediaBox.x, -mediaBox.y);
       this.textDivs = [];
       this.textLayerQueue = [];
     },
@@ -359,6 +361,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
     setDash: function canvasGraphicsSetDash(dashArray, dashPhase) {
       this.ctx.mozDash = dashArray;
       this.ctx.mozDashOffset = dashPhase;
+      this.ctx.webkitLineDash = dashArray;
+      this.ctx.webkitLineDashOffset = dashPhase;
     },
     setRenderingIntent: function canvasGraphicsSetRenderingIntent(intent) {
       TODO('set rendering intent: ' + intent);

src/core.js

@@ -70,8 +70,7 @@ var Page = (function PageClosure() {
     this.xref = xref;
     this.ref = ref;
 
-    this.ctx = null;
-    this.callback = null;
+    this.displayReadyPromise = null;
   }
 
   Page.prototype = {
@@ -110,9 +109,11 @@ var Page = (function PageClosure() {
         width: this.width,
         height: this.height
       };
+      var mediaBox = this.mediaBox;
+      var offsetX = mediaBox[0], offsetY = mediaBox[1];
       if (isArray(obj) && obj.length == 4) {
-        var tl = this.rotatePoint(obj[0], obj[1]);
-        var br = this.rotatePoint(obj[2], obj[3]);
+        var tl = this.rotatePoint(obj[0] - offsetX, obj[1] - offsetY);
+        var br = this.rotatePoint(obj[2] - offsetX, obj[3] - offsetY);
         view.x = Math.min(tl.x, br.x);
         view.y = Math.min(tl.y, br.y);
         view.width = Math.abs(tl.x - br.x);
@@ -165,20 +166,12 @@ var Page = (function PageClosure() {
                                                 IRQueue, fonts) {
       var self = this;
       this.IRQueue = IRQueue;
-      var gfx = new CanvasGraphics(this.ctx, this.objs, this.textLayer);
 
       var displayContinuation = function pageDisplayContinuation() {
         // Always defer call to display() to work around bug in
         // Firefox error reporting from XHR callbacks.
         setTimeout(function pageSetTimeout() {
-          try {
-            self.display(gfx, self.callback);
-          } catch (e) {
-            if (self.callback)
-              self.callback(e);
-            else
-              throw e;
-          }
+          self.displayReadyPromise.resolve();
         });
       };
 
@@ -395,12 +388,27 @@ var Page = (function PageClosure() {
       return items;
     },
     startRendering: function pageStartRendering(ctx, callback, textLayer)  {
-      this.ctx = ctx;
-      this.callback = callback;
-      this.textLayer = textLayer;
-
       this.startRenderingTime = Date.now();
-      this.pdf.startRendering(this);
+
+      // If there is no displayReadyPromise yet, then the IRQueue 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.
+      this.displayReadyPromise.then(function pageDisplayReadyPromise() {
+        var gfx = new CanvasGraphics(ctx, this.objs, textLayer);
+        try {
+          this.display(gfx, callback);
+        } catch (e) {
+          if (self.callback)
+            self.callback(e);
+          else
+            throw e;
+        }
+      }.bind(this));
     }
   };
 

src/fonts.js

@@ -2092,7 +2092,7 @@ var Font = (function FontClosure() {
                  window.btoa(data) + ');');
       var rule = "@font-face { font-family:'" + fontName + "';src:" + url + '}';
 
-      document.documentElement.firstChild.appendChild(
+      document.documentElement.getElementsByTagName('head')[0].appendChild(
         document.createElement('style'));
 
       var styleSheet = document.styleSheets[document.styleSheets.length - 1];

src/function.js

@@ -270,7 +270,6 @@ var PDFFunction = (function PDFFunctionClosure() {
 
     constructStiched: function pdfFunctionConstructStiched(fn, dict, xref) {
       var domain = dict.get('Domain');
-      var range = dict.get('Range');
 
       if (!domain)
         error('No domain');
@@ -279,13 +278,13 @@ var PDFFunction = (function PDFFunctionClosure() {
       if (inputSize != 1)
         error('Bad domain for stiched function');
 
-      var fnRefs = dict.get('Functions');
+      var fnRefs = xref.fetchIfRef(dict.get('Functions'));
       var fns = [];
       for (var i = 0, ii = fnRefs.length; i < ii; ++i)
         fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i])));
 
-      var bounds = dict.get('Bounds');
-      var encode = dict.get('Encode');
+      var bounds = xref.fetchIfRef(dict.get('Bounds'));
+      var encode = xref.fetchIfRef(dict.get('Encode'));
 
       return [CONSTRUCT_STICHED, domain, bounds, encode, fns];
     },

src/util.js

@@ -284,7 +284,7 @@ var Promise = (function PromiseClosure() {
       }
 
       this.isResolved = true;
-      this.data = data;
+      this.data = data || null;
       var callbacks = this.callbacks;
 
       for (var i = 0, ii = callbacks.length; i < ii; i++) {