color-forge - npm Package Compare versions

Comparing version 1.0.4 to 1.0.5

doc.md

@@ -44,2 +44,3 @@ ## Classes
     * [.burn(other)](#Color#burn)
+    * [.exponent(power)](#Color#exponent)
   * _static_
@@ -249,2 +250,13 @@ * [.spaces](#Color.spaces)
 
+<a name="Color#exponent"></a>
+### color.exponent(power)
+Returns a new color that is the result of raising each power to an exponent.
+The resulting color has channels clipped at a maximum of 255.
+
+**Kind**: instance method of <code>[Color](#Color)</code>  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| power | <code>number</code> | The power to raise each channel by |
+
 <a name="Color.spaces"></a>
@@ -251,0 +263,0 @@ ### Color.spaces

index.js

@@ -386,5 +386,21 @@ 'use strict';
 });
+/**
+Returns a new color that is the result of raising each power to an exponent.
+The resulting color has channels clipped at a maximum of 255.
 
+@function
 
+@param {number} power - The power to raise each channel by
+*/
+Color.prototype.exponent = function exponent(power) {
+	var values = this.convert('rgb').values.map(function(value) {
+		return Math.min(Math.pow(value / 255, power), 255) * 255;
+	});
+	var alpha = Math.pow(this.alpha, power);
 
+	return new Color(values, alpha, 'rgb');
+};
+
+
+
 /**
@@ -570,3 +586,3 @@ Available spaces for colors. Check`color-space` to ensure up-to-dateness. Note
 
-		return new Color(values, alpha);
+		return new Color(values, alpha, 'rgb');
 	};
@@ -573,0 +589,0 @@ }

package.json

 {
   "name": "color-forge",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "A simple color system based on the work of https://github.com/dfcreative/color-space",
@@ -5,0 +5,0 @@ "url": "https://github.com/jacobp100/color-forge",

test/Color.js

@@ -110,2 +110,7 @@ /* eslint-env node, mocha */
 	});
+	it('Should raise to exponents', function() {
+		assert.about(Color.hex('#111').exponent(2), Color.hex('#010101'));
+		assert.about(Color.hex('#888').exponent(2), Color.hex('#494949'));
+		assert.about(Color.hex('#fff').exponent(2), Color.hex('#ffffff'));
+	});
 });

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50370

increased by2.3%

Lines of code

882

increased by2.08%

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