enclosure-mark1/editor.html at master · MycroftAI/enclosure-mark1 · GitHub

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Image Draw v2</title>
<style type="text/css">
div {
	margin: auto;
	text-align: center;
	width: 100%
}
div#bin {
	width: 1000px;
	margin-top: 10px;
}
input#wid, input#hei, input#widGroup {
	width: 4em;
}
#cvsled {
	margin: auto;
}
</style>
<script type="text/javascript">
// Configuration options
var sizeOfLED = 24; // Size to draw LED in pixels, including gutter
var sizeOfGutter = 1; // Size of gutter between LEDs
var colorOff = "#000";
var colorOn = "#F00";
var colorGutter = "#666";

// Variables
var canvasNode; // Main canvas node
var cx; 	// 2d canvas context

var map = new Array();

var width;
var height;
var widthGroup;
var renderCircle = false;

var pixelsInAByte = 4;
var reversePixelOrder = true;
var iconEncode = true;

function initialize(){
	updateCanvasSize();
	updateUseCircle();
	$('changecanvas').addEventListener("click", updateCanvasSize, false);
	$('loadimage').addEventListener("click", loadImage, false);
}

function canvasClick(oEvent) {
	var pos_x = oEvent.offsetX?(oEvent.offsetX):oEvent.pageX-canvasNode.offsetLeft;
	var pos_y = oEvent.offsetY?(oEvent.offsetY):oEvent.pageY-canvasNode.offsetTop;

	var cellX = Math.floor(pos_x/sizeOfLED);
	var cellY = Math.floor(pos_y/sizeOfLED);

	map[cellX][cellY] = !map[cellX][cellY];

	canvasRender();
}

function textUpdate() {
	if (iconEncode)
	{
		val = "";
		val += String.fromCharCode('A'.charCodeAt(0)+width*1);
		val += String.fromCharCode('A'.charCodeAt(0)+height*1);

		for(var i=0; i<width; ++i) {
			for(var j=0; j<height; j+=pixelsInAByte) {

				var b=0;
				if (reversePixelOrder) {
					for(var k=pixelsInAByte - 1; k>=0; --k)
					{
						b *= 2;
						if (map[i][j+k])
							b += 1;
					}
				} else {
					for(var k=0; k < pixelsInAByte; ++k)
					{
						b *= 2;
						if (map[i][j+k])
							b += 1;
					}
				}
				val += String.fromCharCode('A'.charCodeAt(0)+b);
			}
		}
	}
	else
	{
		val = "{";
		for(var i=0; i<width; ++i) {
			for(var j=0; j<height; j+=pixelsInAByte) {
				val += "0b";
				if (reversePixelOrder) {
					for(var k=pixelsInAByte - 1; k>=0; --k)
						val += (map[i][j+k]?"1":"0");
				} else {
					for(var k=0; k < pixelsInAByte; ++k)
						val += (map[i][j+k]?"1":"0");
				}
				val += ", ";
			}

			if ((i+1) % (widthGroup) == 0)
			{
				val = val.substr(0, val.length - 2);	// remove trailing ", "
				val += "},\n{";
			}
		}
		val = val.substr(0, val.length - 3);
	}

	$('binary_out').value = val;
}

function loadImage() {
	// Load the image from the textbox contents
	var src = $('binary_out').value.replace(/[\{\}\s]/g,"").split(",");
	var eleCountHeight = Math.ceil(height/pixelsInAByte);

	var i = 0; // Current array element.

	for(var x = 0; x < width; ++x)
		for(var y = 0; y < height; y += pixelsInAByte) {
			var currData = trim(src[i++]).replace("0b", "").split("");
			if (reversePixelOrder)
				currData.reverse(); // After reversing, [0] is the element with the lowest y-value.
			for(var k = 0; (k < pixelsInAByte) && (y + k < height); ++k)
				map[x][y+k] = (currData[k] == "0"?false:true);
		}

	canvasRender();
}

// The following function is from http://blog.stevenlevithan.com/archives/faster-trim-javascript
function trim(str) {
	return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function updateCanvasSize() {
	width = $('wid').value;
	widthGroup = $('widGroup').value;
	height = $('hei').value;

	if(isNaN(width) || isNaN(height)) {
		alert("Incorrect width/height");
		return false;
	}

	map = new Array();
	for(var i=0; i<width; ++i) {
		map[i] = new Array();
		for(var j=0; j<height; ++j)
			map[i][j]=0;
	}

	if(canvasNode)
		$('main').removeChild(canvasNode);

	canvasNode = document.createElement("canvas");
	canvasNode.width = sizeOfLED*width;
	canvasNode.height = sizeOfLED*height;
	cx = canvasNode.getContext("2d");

	canvasNode.id = "cvsled";
	$('main').appendChild(canvasNode);
	$('cvsled').addEventListener("click", canvasClick, false);

	canvasRender();

	return true;
}

function canvasRender() {
	cx.fillStyle = colorOff;
	cx.fillRect(0, 0, canvasNode.width, canvasNode.height);

	// Draw pixels
	cx.fillStyle = colorOn;
	for(var i=0; i<width; ++i)
		for(var j=0; j<height; ++j)
			if(map[i][j])
				if(renderCircle) {
					cx.beginPath();
					cx.arc((i+0.5)*sizeOfLED, (j+0.5)*sizeOfLED, 0.45*sizeOfLED, 0, Math.PI * 2, false);
				    cx.closePath();
					cx.fill();
				} else
					cx.fillRect(i*sizeOfLED, j*sizeOfLED, sizeOfLED-1, sizeOfLED-1);


	cx.strokeStyle = colorGutter;
	cx.lineWidth = sizeOfGutter;
	cx.beginPath();
	// Draw vert grid
	for(var i=0; i<=canvasNode.width; i+=sizeOfLED) {
		cx.moveTo(i,0);
		cx.lineTo(i,canvasNode.height);
	}
	// Draw horiz grid
	for(var i=0; i<=canvasNode.height; i+=sizeOfLED) {
		cx.moveTo(0, i);
		cx.lineTo(canvasNode.width, i);
	}
	cx.stroke();


	cx.strokeStyle = colorGutter;
	cx.lineWidth = sizeOfGutter*4;
	cx.beginPath();
	// Draw vert groups
	for(var i=0; i<=canvasNode.width; i+=sizeOfLED) {
		if (((i/sizeOfLED) % widthGroup) == 0)
		{
			cx.moveTo(i,0);
			cx.lineTo(i,canvasNode.height);
		}
	}
	cx.stroke();

	textUpdate();
}

function $(e){
	return document.getElementById(e);
}

function updateUseCircle() {
	if($("chkUseCircle").checked)
		renderCircle = true;
	else
		renderCircle = false;

	canvasRender();
}

function updatePxPerByte() {
	var v = $("pxInByte").value * 1;
	if(v > 0 && v <= 8){
		pixelsInAByte = v;
		canvasRender();
	}
}

function updateReversePixel() {
	reversePixelOrder = $("chkRevPx").checked;
	canvasRender();
}

function updateIconEncode() {
	iconEncode = $("chkIconEncode").checked;
	canvasRender();
}

window.addEventListener("load", initialize, false);

function settings(ver) {
	if (ver == 1) {
		pixelsInAByte = 4;
		reversePixelOrder = true;
	} else {
		pixelsInAByte = 8;
		reversePixelOrder = false;
	}
	$("chkIconEncode").checked = iconEncode;
	$("chkRevPx").checked = reversePixelOrder;
	$("pxInByte").value = pixelsInAByte;
	canvasRender();
}

</script>
</head>

<body>
	<div id="main"></div>

	<div id="bin">
	Width: <input type="number" id="wid" min="1" value="32" onclick="updateCanvasSize()" />
	Group Width: <input type="number" id="widGroup" min="1" value="8" onclick="updateCanvasSize()" />
	Height: <input type="number" id="hei" min="1" value="8" onclick="updateCanvasSize()" />
	<input type="button" value="Clear" id="changecanvas" />
	<input type="button" value="Load" id="loadimage" />
	<label><input type="checkbox" id="chkUseCircle" onclick="updateUseCircle()" />Use Circle</label><br />

	Pixels per Byte: <input type="number" id="pxInByte" min="1" max="8" value="4" onchange="updatePxPerByte()" />
	<label><input type="checkbox" checked="checked" id="chkRevPx" onclick="updateReversePixel()" />Reverse Pixel Order</label>
	<button onclick="settings(1)">Version 1.0</button>
	<button onclick="settings(2)">Version 2.0</button><br />
	<label><input type="checkbox" xchecked="checked" id="chkIconEncode" onclick="updateIconEncode()" />Icon Encode</label>
	<br />
	<textarea id="binary_out" style="width: 100%; height: 200px;" onkeyup="loadImage()"></textarea>
	</div>
</body>
</html>