Use Math.ceil instead of bitwise left shift.

blueimp · blueimp · commit f1abe48c7aa3 · 2013-03-18T11:00:53.000+01:00
Width or height might exceed 2147483648 pixels, which results in
negative numbers when using bitwise shift.
Also, 1px scaled with a factor of less than 1 should still be 1px.
diff --git a/load-image.js b/load-image.js
@@ -1,5 +1,5 @@
 /*
- * JavaScript Load Image 1.3
+ * JavaScript Load Image 1.3.1
  * https://github.com/blueimp/JavaScript-Load-Image
  *
  * Copyright 2011, Sebastian Tschan
@@ -169,16 +169,16 @@
                 (options.minHeight || height) / height
             );
         if (scale > 1) {
-            width = (width * scale) << 0;
-            height = (height * scale) << 0;
+            width = Math.ceil(width * scale);
+            height = Math.ceil(height * scale);
         }
         scale = Math.min(
             (options.maxWidth || width) / width,
             (options.maxHeight || height) / height
         );
         if (scale < 1) {
-            width = (width * scale) << 0;
-            height = (height * scale) << 0;
+            width = Math.ceil(width * scale);
+            height = Math.ceil(height * scale);
         }
         if (img.getContext || (options.canvas && canvas.getContext)) {
             canvas.width = width;
diff --git a/load-image.min.js b/load-image.min.js
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "blueimp-load-image",
-    "version": "1.3.0",
+    "version": "1.3.1",
     "title": "JavaScript Load Image",
     "description": "JavaScript Load Image is a function to load images provided as File or Blob objects or via URL. It returns an optionally scaled HTML img or canvas element.",
     "keywords": [

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "blueimp-load-image",`
`3`		`- "version": "1.3.0",`
	`3`	`+ "version": "1.3.1",`
`4`	`4`	`"title": "JavaScript Load Image",`
`5`	`5`	`"description": "JavaScript Load Image is a function to load images provided as File or Blob objects or via URL. It returns an optionally scaled HTML img or canvas element.",`
`6`	`6`	`"keywords": [`