Minimal images support

base/display/api.js

@@ -862,8 +862,8 @@ var WorkerTransport = (function WorkerTransportClosure() {
           promise.resolve({ data: buf, width: width, height: height});
         }).bind(this);
 //MQZ. Oct.17.2012 - disable image drawing
-//          img.src = imageUrl;
-          img.src = 'data:image/jpeg;base64,' + img.btoa(imageUrl);
+          img.src = imageUrl;
+//          img.src = 'data:image/jpeg;base64,' + img.btoa(imageUrl);
       });
     },
 

base/shared/util.js

@@ -145,8 +145,11 @@ var OPS = PDFJS.OPS = {
 
 //MQZ.Mar.22 Disabled Operators (to prevent image painting & annotation default appearance)
 //paintJpegXObject, paintImageMaskXObject, paintImageMaskXObjectGroup, paintImageXObject, paintInlineImageXObject, paintInlineImageXObjectGroup
-var NO_OPS = PDFJS.NO_OPS = [82, 83, 84, 85, 86, 87];
+var NO_OPS = PDFJS.NO_OPS = [83, 84, 86, 87];
 var NO_OPS_RANGE = PDFJS.NO_OPS_RANGE = [78, 79, 80, 81]; //range pairs, all ops with each pair will be skipped. !important!
+var HTMLElement = typeof HTMLElement === "undefined" ?
+  function() { } : HTMLElement;
+
 
 // Use only for debugging purposes. This should not be used in any code that is
 // in mozilla master.
@@ -1229,9 +1232,9 @@ function loadJpegStream(id, imageUrl, objs) {
   img.onload = (function loadJpegStream_onloadClosure() {
     objs.resolve(id, img);
   });
-//  img.src = imageUrl;
+  img.src = imageUrl;
     //MQZ. Apr.09.2013 calls windows.btoa safely
-    img.src = 'data:image/jpeg;base64,' + img.btoa(imageUrl);
+//    img.src = 'data:image/jpeg;base64,' + img.btoa(imageUrl);
 }
 
 //MQZ Oct.18.2013 expose util methods

lib/imagedata.js

@@ -0,0 +1,13 @@
+function ImageData(width, height) {
+  if (width && width instanceof Object) {
+    this.width = width.width;
+    this.height = width.height;
+    this.data = width.data;
+  } else {
+    this.width = width;
+    this.height = height;
+    this.data = new Uint8Array(width * height * 4);
+  }
+};
+
+module.exports = ImageData;

lib/pdf.js

@@ -5,6 +5,7 @@ let nodeUtil = require("util"),
     fs = require('fs'),
     _ = require('lodash'),
     DOMParser = require('xmldom').DOMParser,
+    ImageData = require('./imagedata.js'),
     PDFCanvas = require('./pdfcanvas.js'),
     PDFUnit = require('./pdfunit.js'),
     PDFField = require('./pdffield.js'),
@@ -376,7 +377,8 @@ let PDFJSClass = (function () {
 	//                Content:pdfPage.getTextContent(),
 	                Texts: pageParser.Texts,
 	                Fields: pageParser.Fields,
-	                Boxsets: pageParser.Boxsets
+	                Boxsets: pageParser.Boxsets,
+	                Images: pageParser.Images
 	            };
 
 	            this.pages.push(page);

lib/pdfcanvas.js

@@ -3,7 +3,8 @@ let nodeUtil = require("util"),
     _ = require('lodash'),
     PDFLine = require('./pdfline'),
     PDFFill = require('./pdffill'),
-    PDFFont = require('./pdffont');
+    PDFFont = require('./pdffont'),
+    ImageData = require('./imagedata');
 
 (function () {
     // private static
@@ -104,6 +105,35 @@ let nodeUtil = require("util"),
                 return 'square';
         }
     }
+
+    function addImage(image, images) {
+        if(images.indexOf(image) !== -1) {
+            return;
+        }
+        if(images.find(function(im) {
+            if (im.src) {
+                return im.src === image.src;
+            } else if (
+                image.data &&
+                im.data &&
+                im.data.length === image.data.length &&
+                im.width === image.width &&
+                im.height === image.height
+            ) {
+                if (image.data === im.data) {
+                    return true;
+                }
+                return im.data.find(function(v,i) {
+                    return v !== image.data[i];
+                }) === undefined;
+            } else {
+                return false;
+            }
+        }) !== undefined) {
+            return;
+        }
+        images.push(image);
+    }
 
     /**
      * This class implements CanvasRenderingContext2D interface as described by
@@ -144,6 +174,8 @@ let nodeUtil = require("util"),
             canvasTarget.Fills = [];
         if (!_.has(canvasTarget, "Texts") || !_.isArray(canvasTarget.Texts))
             canvasTarget.Texts = [];
+        if (!_.has(canvasTarget, "Images") || !_.isArray(canvasTarget.Images))
+            canvasTarget.Images = [];
 
         this.canvas = canvasTarget;
 
@@ -387,8 +419,23 @@ let nodeUtil = require("util"),
         return gradient;
     };
 
-    contextPrototype.drawImage = function (image, var_args) {
-        //MQZ. no image drawing support for now
+    contextPrototype.drawImage = function(image) {
+        if (image instanceof CanvasRenderingContext2D_) {
+            image.canvas.Images.forEach(function(data) {
+                addImage(data, this.canvas.Images);
+            }, this);
+        } else {
+            addImage(image, this.canvas.Images);
+        }
+    };
+
+    contextPrototype.putImageData = function(image) {
+        addImage(image, this.canvas.Images);
+    };
+
+
+    contextPrototype.createImageData = function(width, height) {
+        return new ImageData(width, height);
     };
 
     contextPrototype.getImageData = function (x, y, w, h) {