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<!DOCTYPE html>
<html>
<head>
<style type="text/css">
* {
touch-action: none;
}
body {
background-color: red;
}
button {
background-color: #D8D8D8;
border: 1px solid #999999;
border-radius: 5px;
}
button.selected {
box-shadow: 0 0 2px 2px #0597f8;
}
#board {
touch-action: none;
box-shadow: 1px 1px 1px 0.5px rgba(0, 0, 0, 0.1);
cursor: crosshair;
position: absolute;
left: 0px;
top: 0px;;
border-radius: 8px;
box-shadow: 0.5px 0.5px 2px #555555, inset 0px 0px 1px #555555;
position: absolute;
z-index: 20;
touch-action: none;
}
#ruler::before {
position:absolute;
background-color: #ffffff;
background:
repeating-linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 43px, #777777 46px),
repeating-linear-gradient(90deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 751px, #ffffff 751px, #ffffff 769px),
repeating-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 30px, #ffffff 30px, #ffffff 50px),
repeating-linear-gradient(90deg, #222222, #222222 1px, rgba(0, 0, 0, 0) 1px, rgba(0, 0, 0, 0) 50px),
repeating-linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 10px, #ffffff 10px, #ffffff 50px),
repeating-linear-gradient(90deg, #222222, #222222 1px, rgba(0, 0, 0, 0) 1px, rgba(0, 0, 0, 0) 5px);
background-position-x: 10px;
opacity: 50%;
width: 100%;
height: 45px;
content: "";
}
#ruler::after {
position:absolute;
background-color: #ffffff;
opacity: 20%;
width: 100%;
height: 10px;
bottom: 0px;
border-top: 1px solid #555555;
filter: blur(1px);
content: "";
}
#ruler #rulerTopLeft {
position: relative;
top: 0px;
left: 0px;
width: 0px;
height: 0px;
background-color: blue;
}
#helper, #helper1, #helper2, #helper3, #helper4 {
background-color: fuchsia;
width: 10px;
height: 10px;
position: absolute;
z-index: 21;
touch-action: none;
left: 200px;
top: 200px;
}
#helper1, #helper2 {
width: 150px;
height: 150px;
border-radius: 75px;
opacity: 0.8;
}
#helper1 {
background-color: yellow;
}
#helper2{
background-color: orange;
}
#helper3{
background-color: lime;
border-radius: 5px;
}
#helper4{
background-color: red;
border-radius: 5px;
}
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<script type="application/javascript" src="js/Vector.js"></script>
<script type="application/javascript" src="js/main.js"></script>
<script type="application/javascript" src="js/Board.js"></script>
<script type="application/javascript" src="js/Pen.js"></script>
<script type="application/javascript" src="js/PointerManager.js"></script>
<script type="application/javascript" src="js/Ruler.js"></script>
Ruler.init(document.getElementById("ruler"));
setColor("#000000");
setLineWidth("8");
var pointerDown = function (e) {
//console.log("down");
clearTimeout(redrawAllTimeout);
PointerManager.registerPointer(e);
if (e.pointerType == "pen") {
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Board.strokeData.push([]);
// check if we must follow the ruler
Board.collectStrokeInfo(e, Pen);
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} else if (e.pointerType == "touch") {
var pointerMove = function (e) {
Board.collectStrokeInfo(e, Pen);
var pointerCancel = function (e) {
//console.log("cancel");
//drawCurve(Board.ctx, Board.strokeData[Board.strokeData.length - 1]);
Board.drawLastCurve();
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clearTimeout(redrawAllTimeout);
redrawAllTimeout = setTimeout(_ => Board.redrawAll(), 1000);
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}
Board.canvas.addEventListener("pointerdown", pointerDown);
Board.canvas.addEventListener("pointermove", pointerMove);
Board.canvas.addEventListener("pointerup", pointerCancel);
Board.canvas.addEventListener("pointerleave", pointerCancel);
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// set drawing call
setInterval(_ => Board.drawLastCurve(), 30);
// sets the color when a color button was pressed
function setColor(btn) {
Pen.colors.fg = (btn.dataset) ? btn.dataset.color : btn;
document.querySelectorAll("button[data-color]").forEach(b => b.classList.remove("selected"));
document.querySelector("button[data-color='" + Pen.colors.fg + "']").classList.add("selected");
}
// sets the line with when a line with button was pressed
function setLineWidth(btn) {
Pen.lineWidth = (btn.dataset) ? btn.dataset.lineWidth : btn;
document.querySelectorAll("button[data-line-width]").forEach(b => b.classList.remove("selected"));
document.querySelector("button[data-line-width='" + Pen.lineWidth + "']").classList.add("selected");
}
function btnLoad() {
var noteName = prompt("Please enter the name of the note to load:");
if (noteName != "") {
Board.load(noteName);
} else {
alert("Could not find note, loading the lastest saved note!");
Board.load(Board.latestNote);
}
}
</script>
</head>
<body onload="init();">
<canvas touch-action="none" id="board" width="640" height="640" style="width:320px; height:320px;">
Opps, you cannot play draw N guess with this browser!
</canvas>
<button style="position:absolute; top:20px; left: 20px; width: 80px; height: 35px;" onclick="Board.save();">save</button>
<button style="position:absolute; top:65px; left: 20px; width: 80px; height: 35px;" onclick="btnLoad();">load</button>
<button style="position:absolute; top:20px; left: 120px; width: 80px; height: 80px;" onclick="Board.clear();">clear</button>
<button data-color="#000000" style="position:absolute; top:20px; left: 220px; width: 35px; height: 35px; background-color: black; color: white" onclick="setColor(this);"> </button>
<button data-color="#FF0000" style="position:absolute; top:20px; left: 265px; width: 35px; height: 35px; background-color: red;" onclick="setColor(this);"> </button>
<button data-color="#4169E1" style="position:absolute; top:65px; left: 220px; width: 35px; height: 35px; background-color: royalblue;" onclick="setColor(this);"> </button>
<button data-color="#32CD32" style="position:absolute; top:65px; left: 265px; width: 35px; height: 35px; background-color: limegreen;" onclick="setColor(this);"> </button>
<button data-line-width="4" style="position:absolute; top:20px; left: 320px; width: 35px; height: 35px;" onclick="setLineWidth(this);">4</button>
<button data-line-width="8" style="position:absolute; top:20px; left: 365px; width: 35px; height: 35px;" onclick="setLineWidth(this);">8</button>
<button data-line-width="16" style="position:absolute; top:65px; left: 320px; width: 35px; height: 35px;" onclick="setLineWidth(this);">16</button>
<button data-line-width="24" style="position:absolute; top:65px; left: 365px; width: 35px; height: 35px;" onclick="setLineWidth(this);">24</button>
<div id="ruler">
<div id="rulerTopLeft">top left</div>
<div id="rulerValues"></div>
</div>
<div id="helper"></div>
<div id="helper1"></div>
<div id="helper2"></div>
<div id="helper3"></div>