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Adding development versions, use these for profiling core franz issues

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Veno Server 2009-08-14 01:13:12 -05:00
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Franz - client side color palettes from logos</title>
<link rel="stylesheet" type="text/css" media="screen" href="css/example.css">
<script type="text/javascript" src="js/dev.js"></script>
</head>
<body>
<h1>Franz - client side color swatches</h1>
<div id="container_top">
<a href="#" title="Upload an image" id="upload_button">Upload an image</a>
<div id="lol_container">
<canvas id="lol" width="100" height="100"></canvas>
<canvas id="lol_hidden" width="33" height="33"></canvas>
</div>
<div id="interface">
<form id="uploader" name="uploader" method="post" action="upload.php" enctype="multipart/form-data">
<input id="file" type="file" name="dragonfruit">
<input type="submit" class="img_submit" value="Upload and be awesome">
</form>
<form method="post" action="#" id="franz_form" onsubmit="lol(); return false;">
<input type="text" id="img_input" value="awesome/lol.png">
<input type="submit" class="img_submit" value="Go for it!">
</form>
<p id="try_these"><strong>Try out:</strong>
<a href="#" title="awesome/lol.png">lol.png</a>,
<a href="#" title="awesome/testjubs.jpg">testjubs.jpg</a>,
<a href="#" title="awesome/stars.jpg">stars.jpg</a>,
<a href="#" title="awesome/1600.jpg">1600.jpg</a>,
<a href="#" title="awesome/fallout.jpg">fallout.jpg</a>
</p>
</div>
<!-- might log colors later on
<ul id="logHSV">
<li><p id="logHue">Hue: </p></li>
<li><p id="logSat">Sat: </p></li>
<li><p id="logVal">Val: </p></li>
</ul> -->
</div>
<div id="options">
<p id="hsv">
<a href="#" id="sort_hue" title="Sort by Hue">Sort by Hue</a>
<a href="#" id="sort_sat" title="Sort by Saturation HSV">Saturation (HSV)</a>
<a href="#" id="sort_satL" title="Sort by Saturation HSL">Saturation (HSL)</a>
<a href="#" id="sort_val" title="Sort by Value">Value (HSV)</a>
<a href="#" id="sort_light" title="Sort by Lightness">Lightness (HSL)</a>
</p>
</div>
<div id="container_bottom">
<div id="log_colors">
</div>
</div>
<p id="footer">
This experiment was brought to you in Technicolor (get it?) by <a href="http://twitter.com/ryanmcgrath" title="Ryan McGrath">Ryan McGrath</a> & <a href="http://twitter.com/enotionz" title="Dominick Pham">Dominick Pham</a>,
two of the most awesome people you'll ever hear about.
</p>
<script type="text/javascript">
var img_input;
/* Oh god a global function wrrrryyyy */
function lol() {
franz.loadImg(img_input.value);
document.getElementById("options").style.display = "block";
return false;
}
franz.init("lol");
img_input = document.getElementById("img_input");
<?php /* This hack sucks, but it's worth it for right now. -- Ryan */
if($_REQUEST["image"])
echo 'img_input.value = "awesome/' . $_REQUEST["image"] . '"; lol();';
?>
document.getElementById("sort_hue").onclick = function() {
franz.displayHue();
return false;
};
document.getElementById("sort_sat").onclick = function() {
franz.displaySat();
return false;
};
document.getElementById("sort_val").onclick = function() {
franz.displayVal();
return false;
};
document.getElementById("sort_light").onclick = function() {
franz.displayLight();
return false;
};
document.getElementById("sort_satL").onclick = function() {
franz.displaySatL();
return false;
};
</script>
</body>
</html>

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/* Franz.js - Client side color swatches (awesomeness)
*
* @Author Ryan McGrath (http://twitter.com/ryanmcgrath)
* @Author Dominick Pham (http://twitter.com/enotionz)
*/
/* Define some basic prototypes that we'll require later.. */
Array.prototype.swap = function(a, b) {
var tmp = this[a];
this[a] = this[b];
this[b] = tmp;
return true; /* For the sake of being complete */
}
/* allows numeric sorting for built in js sort */
function sortNumber(a,b) { return a - b;}
/* Franz - this is where the magic happens, pay close attention. ;) */
var franz = {
canvas: {},
ctx: {},
img: {},
alpha: [],
red: [],
green: [],
blue: [],
hue: [],
satV: [],
value: [],
satL: [],
light: [],
origIndex: [],
init: function(canvas_id) {
franz.canvas = document.getElementById(canvas_id);
franz.ctx = franz.canvas.getContext('2d');
return false;
},
clone: function(obj) {
/* Recursively iterate through objects and clone them (Don't even try to put this on the Object prototype (recursion fail)) */
var returnObj = (obj instanceof Array) ? [] : {};
for(i in obj) {
if(i == 'clone') continue;
if(obj[i] != null && typeof obj[i] == "object") {
returnObj[i] = franz.clone(obj[i]);
} else {
returnObj[i] = obj[i];
}
}
return returnObj;
},
loadImg: function(img_src) {
franz.img = new Image();
franz.img.onload = function() {
franz.ctx.drawImage(franz.img, 0, 0, 100, 100);
setTimeout(function() { franz.getColors(); }, 100);
}
franz.img.src = img_src;
return false;
},
getColors: function() {
var hidden_canvas = document.getElementById("lol_hidden"),
extra_ctx = hidden_canvas.getContext('2d');
extra_ctx.drawImage(franz.img, 0, 0, 33, 33);
var imageData = extra_ctx.getImageData(1, 1, 32, 32).data;
for(var i = 0; i*4 < imageData.length; i++) {
franz.red[i] = imageData[i*4];
franz.green[i] = imageData[i*4 + 1];
franz.blue[i] = imageData[i*4 + 2];
franz.alpha[i] = imageData[i*4 + 3];
}
/* get hue sat val array */
franz.RGBtoHSVHL();
/* show original image */
franz.displayImg();
return false;
},
/* Converts RGB to the Hue/Saturation/Value, Saturation/Lightness model */
RGBtoHSVHL: function() {
var min, max;
for(var i = 0; i < franz.alpha.length; i++) {
franz.value[i] = franz.getValHSV(franz.red[i],franz.green[i],franz.blue[i]);
franz.satV[i] = franz.getSatHSV(franz.red[i],franz.green[i],franz.blue[i]);
franz.hue[i] = franz.getHue(franz.red[i],franz.green[i],franz.blue[i]);
franz.satL[i] = franz.getSatHSL(franz.red[i],franz.green[i],franz.blue[i]);
franz.light[i] = franz.getLightHSL(franz.red[i],franz.green[i],franz.blue[i]);
}
return false
},
getHue: function(red, green, blue) {
var min = Math.min(red, Math.min(green, blue)),
max = Math.max(red, Math.max(green, blue)),
delta = max - min,
hue;
if (max == min)
return 0;
else {
if(red == max)
hue = (green - blue) / delta; //between yellow & magenta
else if(green == max)
hue = 2 + (blue - red) / delta; //between cyan & yellow
else
hue = 4 + (red - green) / delta; //between magenta & cyan
// hue degrees
hue = hue * 60;
if(hue < 0) hue += 360;
}
return hue;
},
getSatHSV: function(red, green, blue) {
var min = Math.min(red, Math.min(green, blue)),
max = Math.max(red, Math.max(green, blue)),
delta = max - min,
sat = delta / max;
return sat;
},
getValHSV: function(red, green, blue) { return Math.max(red, Math.max(green,blue)); },
getSatHSL: function(red, green, blue) {
var min = Math.min(red, Math.min(green, blue)),
max = Math.max(red, Math.max(green, blue)),
lightness = franz.getLightHSL(),
sat;
if(min == max) return 0;
if(lightness < 1/2) sat = (max-min)/(max+min);
else sat = (max - min) / (2 - (max + min));
return sat;
},
getLightHSL: function(red, green, blue) {
var min = Math.min(red, Math.min(green, blue)),
max = Math.max(red, Math.max(green, blue));
return 0.5 * (min + max);
},
displayColors: function(order_array) {
var docStr = "";
for(var i = 0; i < franz.alpha.length; i++) {
docStr += '<div class="color_box" style="background-color: rgb(' + franz.red[order_array[i]] + ', ' + franz.green[order_array[i]] + ',' + franz.blue[order_array[i]] + ');"></div>';
}
document.getElementById("log_colors").innerHTML = docStr;
if(typeof jQuery != "undefined") $("#container_bottom").fadeIn("slow");
else document.getElementById("container_bottom").style.display = "block";
return false;
},
resetIndex: function() {
/* keep track of original index so we don't have to revert
back to RGB just to display output */
for (var i=0; i < franz.alpha.length; i++) {
franz.origIndex[i] = i;
}
return false;
},
displayImg: function() {
franz.resetIndex();
franz.displayColors(franz.origIndex);
return false;
},
displayHue: function() {
franz.indexSort(franz.clone(franz.hue), 0, franz.alpha.length);
franz.displayColors(franz.origIndex);
return false;
},
displaySat: function() {
franz.indexSort(franz.clone(franz.satV), 0, franz.alpha.length);
franz.displayColors(franz.origIndex);
return false;
},
displayVal: function() {
franz.indexSort(franz.clone(franz.value), 0, franz.alpha.length);
franz.displayColors(franz.origIndex);
return false;
},
displaySatL: function() {
franz.indexSort(franz.clone(franz.satL), 0, franz.alpha.length);
franz.displayColors(franz.origIndex);
return false;
},
displayLight: function() {
franz.indexSort(franz.clone(franz.light), 0, franz.alpha.length);
franz.displayColors(franz.origIndex);
return false;
},
/* bubble sort floats around and pops in your face */
indexSort: function(inputArray, start, end) {
franz.resetIndex();
for (var i = start; i < end; i++) {
for (var j = end-1; j >= start; j--) {
var diff = inputArray[j] - inputArray[i]
console.log("j=" + inputArray[j] + " i=" + inputArray[i] + " -> " + diff);
if (diff > 0) {
console.log("swapped");
inputArray.swap(i,j+1);
franz.origIndex.swap(i,j+1);
}
if (j == end-20) break;
}
if (i == 20) break;
}
}
}