looks-same - npm Package Compare versions

Comparing version 2.2.2 to 3.0.0

CHANGELOG.md

 # Changelog
 
+## 3.0.0 - 2016-07-13
+
+* Remove support for 0.10 and 0.12 NodeJS versions.
+* Fix ignore caret on devices with `pixelRatio` > 1.
+* Fix bug with the missed 1px diff between images when `ignoreCaret` option is enabled.
+
 ## 2.2.2 - 2015-12-19
@@ -4,0 +10,0 @@

index.js

 'use strict';
 var parseColor = require('parse-color'),
     colorDiff = require('color-diff'),
-    png = require('./png');
+    png = require('./lib/png'),
+    IgnoreCaretComparator = require('./lib/ignore-caret-comparator');
 
@@ -73,3 +74,3 @@ var JND = 2.3; //Just noticable difference
     if (opts.ignoreCaret) {
-        comparator = makeNoCaretColorComparator(comparator);
+        comparator = makeNoCaretColorComparator(comparator, opts.pixelRatio);
     }
@@ -80,17 +81,5 @@
 
-function makeNoCaretColorComparator(comparator) {
-    var prevFailure = null;
-    return function compareNoCaret(color1, color2, x, y) {
-        if (comparator(color1, color2, x, y)) {
-            return true;
-        }
-
-        if (prevFailure) {
-            if (x !== prevFailure.x || y !== prevFailure.y + 1) {
-                return false;
-            }
-        }
-        prevFailure = {x: x, y: y};
-        return true;
-    };
+function makeNoCaretColorComparator(comparator, pixelRatio) {
+    const caretComparator = new IgnoreCaretComparator(comparator, pixelRatio);
+    return (color1, color2, x, y) => caretComparator.compare(color1, color2, x, y);
 }
@@ -97,0 +86,0 @@

package.json

 {
   "name": "looks-same",
-  "version": "2.2.2",
+  "version": "3.0.0",
   "description": "Pure node.js library for comparing PNG-images, taking into account human color perception.",
@@ -26,2 +26,5 @@ "main": "index.js",
   },
+  "engines": {
+    "node": ">= 4.0"
+  },
   "author": "Sergey Tatarintsev <[e-mail]> (https://github.com/SevInf)",
@@ -28,0 +31,0 @@ "license": "MIT",

README.md

@@ -56,2 +56,12 @@ # LooksSame
 
+Some devices can have different proportion between physical and logical screen resolutions also
+known as `pixel ratio`. Default value for this proportion is 1. 
+This param also affects the comparison result, so it can be set manually with `pixelRatio` option.
+
+```javascript
+looksSame('image1.png', 'image2.png', {pixelRatio: 2}, function(error, equal) {
+    ...
+});
+```
+
 ## Building diff image
@@ -58,0 +68,0 @@

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Improved metrics

Total package byte prevSize

62474

increased by253.26%

Number of package files

27

increased by200%

Lines of code

494

increased by56.83%

Number of lines in readme file

105

increased by10.53%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes