Merge master -> worker_pull + fix too long line

diff --cc pdf.js
index b46fe3c29763cc7bb8d63d6f708f5f2f1a918005,79310b14959d1fc52fefc53c97c09df9f77cd3b0..85560087cbc11b65488430f324e487a6544510ca
--- 1/pdf.js
--- 2/pdf.js
+++ b/pdf.js
@@@ -4775,27 -4428,16 +4775,28 @@@ var PartialEvaluator = (function partia
                );
  
                if ('Form' == type.name) {
 -                args[0].code = this.evaluate(xobj, xref,
 -                                             xobj.dict.get('Resources'), fonts,
 -                                             images);
 -              }
 -              if (isStream(xobj) && xobj.getImage) {
 -                images.bind(xobj); // monitoring image load
 +                var matrix = xobj.dict.get('Matrix');
 +                var bbox = xobj.dict.get('BBox');
  
 -                var smask = xref.fetchIfRef(xobj.dict.get('SMask'));
 -                if (isStream(smask) && smask.getImage)
 -                  images.bind(smask); // monitoring image load
 +                fnArray.push('paintFormXObjectBegin');
 +                argsArray.push([matrix, bbox]);
 +
 +                // This adds the IRQueue of the xObj to the current queue.
 +                var depIdx = dependency.length;
 +
-                 this.getIRQueue(xobj, xobj.dict.get('Resources'), queue, dependency);
++                this.getIRQueue(xobj, xobj.dict.get('Resources'), queue, 
++                                                                dependency);
 +
 +               // Add the dependencies that are required to execute the
 +               // codeIR.
 +               insertDependency(dependency.slice(depIdx));
 +
 +                fn = 'paintFormXObjectEnd';
 +                args = [];
 +              } else if ('Image' == type.name) {
 +                buildPaintImageXObject(xobj, false);
 +              } else {
 +                error('Unhandled XObject subtype ' + type.name);
                }
              }
            } else if (cmd == 'Tf') { // eagerly collect all fonts
@@@ -7308,30 -6796,16 +7309,29 @@@ var PDFFunction = (function() 
        for (var i = 0; i < length; ++i)
          diff.push(c1[i] - c0[i]);
  
-       return [CONSTRUCT_INTERPOLATED, c0, diff, n, i];
 -      this.func = function pdfFunctionConstructInterpolatedFunc(args) {
++      return [CONSTRUCT_INTERPOLATED, c0, diff, n];
 +    },
 +
 +    constructInterpolatedFromIR:
 +    function pdfFunctionconstructInterpolatedFromIR(IR) {
 +      var c0 = IR[1];
 +      var diff = IR[2];
 +      var n = IR[3];
-       var i = IR[4];
 +
 +      var length = diff.length;
 +
 +      return function(args) {
-         var x = args[0];
+         var x = n == 1 ? args[0] : Math.pow(args[0], n);
  
          var out = [];
          for (var j = 0; j < length; ++j)
-           out.push(c0[j] + (x^n * diff[i]));
+           out.push(c0[j] + (x * diff[j]));
  
          return out;
 -      };
 +
 +      }
      },
 +
      constructStiched: function pdfFunctionConstructStiched(fn, dict, xref) {
        var domain = dict.get('Domain');
        var range = dict.get('Range');