pixelmatch - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

package.json

 {
   "name": "pixelmatch",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "The smallest and fastest pixel-level image comparison library.",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -9,6 +9,8 @@ ## pixelmatch
 
-Inspired by [Resemble.js](https://github.com/Huddle/Resemble.js) and
-[Blink-diff](https://github.com/yahoo/blink-diff),
-including features like anti-aliasing detection and perceptive color metrics.
-Unlike these libraries, pixelmatch is under **100 lines of code**,
+Features [anti-aliased pixels detection](http://www.ee.ktu.lt/journal/2009/7/25_ISSN_1392-1215_Anti-aliased%20Pxel%20and%20Intensity%20Slope%20Detector.pdf)
+and [perceptual color metrics](https://en.wikipedia.org/wiki/YUV).
+
+Inspired by [Resemble.js](https://github.com/Huddle/Resemble.js)
+and [Blink-diff](https://github.com/yahoo/blink-diff).
+Unlike these libraries, pixelmatch is around **120 lines of code**,
 has **no dependencies**, and works on **raw arrays** of image data,
@@ -60,5 +62,5 @@ so it's **blazing fast** and can be used in **any environment** (Node or browsers).
 | --- | --- | --- |
-| ![](test/fixtures/1a.png) | ![](test/fixtures/b.png) | ![1diff](test/fixtures/1diff.png) |
+| ![](test/fixtures/1a.png) | ![](test/fixtures/1b.png) | ![1diff](test/fixtures/1diff.png) |
 | ![](https://pbs.twimg.com/media/CRYXm86VAAQxo-o.png) | ![](https://pbs.twimg.com/media/CRYXm9uUYAAIGAf.png) | ![](https://pbs.twimg.com/media/CRYXnAAUwAEsuzb.png) |
 
 ### [Changelog](https://github.com/mapbox/pixelmatch/releases)

test/test.js

@@ -16,18 +16,20 @@ 'use strict';
     test(name, function (t) {
-        var img1 = readImage(imgPath1);
-        var img2 = readImage(imgPath2);
-        var expectedDiff = readImage(diffPath);
+        var img1 = readImage(imgPath1, function () {
+            var img2 = readImage(imgPath2, function () {
+                var expectedDiff = readImage(diffPath, function () {
+                    var diff = new PNG({width: img1.width, height: img1.height});
+                    var mismatch = match(img1.data, img2.data, diff.data, diff.width, diff.height, threshold, includeAA);
 
-        var diff = new PNG({width: img1.width, height: img1.height});
-        var mismatch = match(img1.data, img2.data, diff.data, diff.width, diff.height, threshold, includeAA);
+                    t.same(diff.data, expectedDiff.data, 'diff image');
+                    t.same(mismatch, expectedMismatch, 'number of mismatched pixels');
 
-        t.same(diff.data, expectedDiff.data, 'diff image');
-        t.same(mismatch, expectedMismatch, 'number of mismatched pixels');
-
-        t.end();
+                    t.end();
+                });
+            });
+        });
     });
 }
 
-function readImage(name) {
-    return PNG.sync.read(fs.readFileSync(path.join(__dirname, '/fixtures/' + name + '.png')));
+function readImage(name, done) {
+    return fs.createReadStream(path.join(__dirname, '/fixtures/' + name + '.png')).pipe(new PNG()).on('parsed', done);
 }

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Improved metrics

Total package byte prevSize

711995

increased by0.06%

Lines of code

118

increased by2.61%

Number of lines in readme file

65

increased by3.17%

No dependency changes