Ignore too large orientation values. Fixes blueimp#56

Author: blueimp

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "blueimp-load-image",
-  "version": "1.11.2",
+  "version": "1.11.3",
   "title": "JavaScript Load Image",
   "description": "JavaScript Load Image is a library to load images provided as File or Blob objects or via URL. It returns an optionally scaled and/or cropped HTML img or canvas element. It also provides a method to parse image meta data to extract Exif tags and thumbnails and to restore the complete image header after resizing.",
   "keywords": [

js/load-image-orientation.js

@@ -1,5 +1,5 @@
 /*
- * JavaScript Load Image Orientation 1.0.0
+ * JavaScript Load Image Orientation 1.0.1
  * https://github.com/blueimp/JavaScript-Load-Image
  *
  * Copyright 2013, Sebastian Tschan
@@ -38,7 +38,7 @@
             width = canvas.width,
             height = canvas.height,
             orientation = options.orientation;
-        if (!orientation) {
+        if (!orientation || orientation > 8) {
             return;
         }
         if (orientation > 4) {
@@ -88,11 +88,13 @@
     // Transforms coordinate and dimension options
     // based on the given orientation option:
     loadImage.getTransformedOptions = function (options) {
-        if (!options.orientation || options.orientation === 1) {
+        var orientation = options.orientation,
+            newOptions,
+            i;
+        if (!orientation || orientation > 8 || orientation === 1) {
             return options;
         }
-        var newOptions = {},
-            i;
+        newOptions = {};
         for (i in options) {
             if (options.hasOwnProperty(i)) {
                 newOptions[i] = options[i];

js/load-image.min.js

@@ -1,6 +1,6 @@
 {
   "name": "blueimp-load-image",
-  "version": "1.11.2",
+  "version": "1.11.3",
   "title": "JavaScript Load Image",
   "description": "JavaScript Load Image is a library to load images provided as File or Blob objects or via URL. It returns an optionally scaled and/or cropped HTML img or canvas element. It also provides a method to parse image meta data to extract Exif tags and thumbnails and to restore the complete image header after resizing.",
   "keywords": [

package.json

@@ -1,5 +1,5 @@
 /*
- * JavaScript Load Image Test 1.11.0
+ * JavaScript Load Image Test 1.11.1
  * https://github.com/blueimp/JavaScript-Load-Image
  *
  * Copyright 2011, Sebastian Tschan
@@ -352,6 +352,22 @@
             }, {orientation: 7, right: 30, top: 20})).to.be.ok();
         });
 
+        it('Should ignore too small orientation value', function (done) {
+            expect(loadImage(blobGIF, function (img) {
+                done();
+                expect(img.width).to.be(80);
+                expect(img.height).to.be(60);
+            }, {orientation: -1})).to.be.ok();
+        });
+
+        it('Should ignore too large orientation value', function (done) {
+            expect(loadImage(blobGIF, function (img) {
+                done();
+                expect(img.width).to.be(80);
+                expect(img.height).to.be(60);
+            }, {orientation: 9})).to.be.ok();
+        });
+
     });
 
     describe('Canvas', function () {