defims/PACKAGE.json

## README.md

      
    Raw
  

              README.md
            
          
    HSV to RGB in 107 bytes

I'm kinda new to this and I'm sure some of you will find a stranger/smaller solution... Golf away!

  
## annotated.js
function(
    //parameters range from 0 - 1
    a, // hue 0.0 - 1.0
    b, // saturation 0.0 - 1.0
    c, // value 0.0 - 1.0

    d, // hue divider
    e, // value splitter
    f  // array placeholder
){
    d=a*6%1; // deviation of the current hue (red<->yellow<->green<->cyan<->blue<->violet),
    // the higher the value, the more the color deviates to the next hue

    // create an array of the color strength regardless of hue
    f=[
        c, // full value on this color
        -c*d*b+c, // deviation part 1
        e=-c*b+c, // deviation part 2
        e, // median deviation
        c*d*b+e, // deviation part 3
        c // full value
    ];

    // select the colors out of the array in regard of hue
    return[ // [r,g,b] - ranges from 0 to 1
        f[d=a*6|0], //red
        f[(4+d)%6], //green
        f[(2+d)%6] //blue
    ]
}

## index.js
export function(a,b,c,d,e,f){d=a*6%1;f=[c,-c*d*b+c,e=-c*b+c,e,c*d*b+e,c];return[f[d=a*6|0],f[(4+d)%6],f[(2+d)%6]]}

## license.txt
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

## PACKAGE.json
{
  "name": "hsvToRgb",
  "description": "Converts colors from HSV to RGB.",
  "keywords": [ "color", "rgb", "hsv" ],
  "version": "0.1.0"
}

## test.html
<!DOCTYPE html>
<title>hsvToRgb Test</title>
<canvas id="canvas"></canvas>
<script>
    var hsvToRgb = function(a,b,c,d,e,f){d=a*6%1;f=[c,-c*d*b+c,e=-c*b+c,e,c*d*b+e,c];return[f[d=a*6|0],f[(4+d)%6],f[(2+d)%6]]}

    var canvas = document.getElementById("canvas");
    var ctx = canvas.getContext("2d");
    var size = canvas.width = canvas.height = 150;
    var imageData = ctx.createImageData(size, size);
    var pixels = imageData.data;
    var hue = 0;
    setInterval(function() {
        var hue = new Date/4000;
        for (var i = size * size * 4; i -= 4;) {
            var c = hsvToRgb(hue % 1, i / 4 % size / size, i / 4 / size / size);
            pixels[i] = c[0] * 255;
            pixels[i + 1] = c[1] * 255;
            pixels[i + 2] = c[2] * 255;
            pixels[i + 3] = 255;
        }
        ctx.putImageData(imageData, 0, 0);
    }, 50)
</script>
	function(
	//parameters range from 0 - 1
	a, // hue 0.0 - 1.0
	b, // saturation 0.0 - 1.0
	c, // value 0.0 - 1.0

	d, // hue divider
	e, // value splitter
	f // array placeholder
	){
	d=a*6%1; // deviation of the current hue (red<->yellow<->green<->cyan<->blue<->violet),
	// the higher the value, the more the color deviates to the next hue

	// create an array of the color strength regardless of hue
	f=[
	c, // full value on this color
	-cdb+c, // deviation part 1
	e=-c*b+c, // deviation part 2
	e, // median deviation
	cdb+e, // deviation part 3
	c // full value
	];

	// select the colors out of the array in regard of hue
	return[ // [r,g,b] - ranges from 0 to 1
	f[d=a*6\|0], //red
	f[(4+d)%6], //green
	f[(2+d)%6] //blue
	]
	}
	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

	0. You just DO WHAT THE FUCK YOU WANT TO.
	{
	"name": "hsvToRgb",
	"description": "Converts colors from HSV to RGB.",
	"keywords": [ "color", "rgb", "hsv" ],
	"version": "0.1.0"
	}
	<!DOCTYPE html>
	<title>hsvToRgb Test</title>
	<canvas id="canvas"></canvas>
	<script>
	var hsvToRgb = function(a,b,c,d,e,f){d=a6%1;f=[c,-cdb+c,e=-cb+c,e,cdb+e,c];return[f[d=a*6\|0],f[(4+d)%6],f[(2+d)%6]]}

	var canvas = document.getElementById("canvas");
	var ctx = canvas.getContext("2d");
	var size = canvas.width = canvas.height = 150;
	var imageData = ctx.createImageData(size, size);
	var pixels = imageData.data;
	var hue = 0;
	setInterval(function() {
	var hue = new Date/4000;
	for (var i = size * size * 4; i -= 4;) {
	var c = hsvToRgb(hue % 1, i / 4 % size / size, i / 4 / size / size);
	pixels[i] = c[0] * 255;
	pixels[i + 1] = c[1] * 255;
	pixels[i + 2] = c[2] * 255;
	pixels[i + 3] = 255;
	}
	ctx.putImageData(imageData, 0, 0);
	}, 50)
	</script>