color-space - npm Package Compare versions

Comparing version 1.6.0 to 1.7.0

index.js

@@ -23,2 +23,3 @@ /**
 	ydbdr: require('./ydbdr'),
+	ypbpr: require('./ypbpr'),
 	lab: require('./lab'),
@@ -25,0 +26,0 @@ labh: require('./labh'),

package.json

 {
   "name": "color-space",
   "description": "Color space conversions and data",
-  "version": "1.6.0",
+  "version": "1.7.0",
   "author": "Deema Yvanow <[e-mail]>",
@@ -6,0 +6,0 @@ "keywords": [

readme.md

@@ -10,3 +10,3 @@ # Color-space [![Build Status](https://travis-ci.org/dfcreative/color-space.svg?branch=master)](https://travis-ci.org/dfcreative/color-space) [![Code Climate](https://codeclimate.com/github/dfcreative/color-space/badges/gpa.svg)](https://codeclimate.com/github/dfcreative/color-space) [![stable](http://badges.github.io/stability-badges/dist/stable.svg)](http://github.com/badges/stability-badges)
 
-[![npm install color-space](https://nodei.co/npm/color-space.png?mini=true)](https://npmjs.org/package/color-space/)
+[`npm install color-space`](https://npmjs.org/package/color-space/)
 
@@ -20,3 +20,3 @@ ```js
 
-Require separately:
+You can require a separate space to reduce size significantly:
 
@@ -65,3 +65,3 @@ ```js
 * [x] [YDbDr](https://en.wikipedia.org/wiki/YDbDr)
-* [ ] [YPbPr](https://en.wikipedia.org/wiki/YPbPr)
+* [x] [YPbPr](https://en.wikipedia.org/wiki/YPbPr)
 * [ ] [YCbCr](https://en.wikipedia.org/wiki/YCbCr)
@@ -68,0 +68,0 @@ * [ ] [YCgCo](https://en.wikipedia.org/wiki/YCgCo)

ypbpr.js

 /**
  * https://en.wikipedia.org/?title=YPbPr
  *
+ * HDTV conversion is used
+ *
  * @module  color-space/ypbpr
@@ -11,6 +13,6 @@ */
 	name: 'ypbpr',
-	min: [0,-0.5,-0.5],
-	max: [1, 0.5, 0.5],
+	min: [0,-1.333,-1.333],
+	max: [1, 1.333, 1.333],
 	channel: ['Y','Pb','Pr'],
-	alias: ['YPbPr']
+	alias: ['YPbPr', 'Y/PB/PR', 'YPRPB', 'PRPBY', 'PBPRY', 'Y/Pb/Pr', 'YPrPb', 'PrPbY', 'PbPrY', 'Y/R-Y/B-Y', 'Y(R-Y)(B-Y)', 'R-Y', 'B-Y']
 };
@@ -27,3 +29,13 @@
 ypbpr.rgb = function(ypbpr) {
+	var y = ypbpr[0], pb = ypbpr[1], pr = ypbpr[2];
 
+	var r = pr + y;
+	var b = pb + y;
+	var g = (y - 0.2126*r - 0.0722*b) / 0.7152;
+
+	return [
+		r * 255,
+		g * 255,
+		b * 255
+	];
 };
@@ -40,3 +52,11 @@
 rgb.ypbpr = function(rgb) {
+	var r = rgb[0]/255, g = rgb[1]/255, b = rgb[2]/255;
 
+	var y = 0.2126 * r + 0.7152 * g + 0.0722 * b;
+
+	return [
+		y,
+		b - y,
+		r - y
+	];
 };

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Improved metrics

Total package byte prevSize

89519

increased by0.55%

Lines of code

2813

increased by0.68%

No dependency changes