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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>vanilla-whiteboard</title>
<style>
body {
padding-top: 30px;
}
whiteboard {
border: 1px dotted #ccc;
}
.btns-group {
padding: 20px 0 0 0;
}
.btn-group {
padding-right: 20px;
}
.btn span {
background: #484848;
border-radius: 50%;
cursor: pointer;
box-sizing: border-box;
box-sizing: border-box;
display: block;
width: 15px;
height: 15px;
}
#btnWidth1 span {
width: 3px;
height: 3px;
}
#btnWidth2 span {
width: 8px;
height: 8px;
}
button {
height: 30px;
}
#btnColor1 span {
background: rgb(40, 40, 40);
}
#btnColor2 span {
background: rgb(255, 75, 89);
}
#btnColor3 span {
background: rgb(142, 207, 84);
}
#btnColor4 span {
background: rgb(255, 163, 0);
}
#btnColor5 span {
background: rgb(0, 184, 252);
}
#draw-panel,
#draw-panel2 {
border: 1px dashed #aaa;
margin-top: 20px;
}
</style>
<link rel=stylesheet href="//lib.baomitu.com/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="http://lib.baomitu.com/jquery/2.2.4/jquery.min.js"></script>
<script src="http://lib.baomitu.com/stats.js/16/Stats.min.js"></script>
<script src="/samples/js/mock-data.js"></script>
</head>
<body>
<div class="container">
<div id="draw-panel">
</div>
<div class="btns-group">
<div class="btn-group">
<button id="btnSelection" class="btn btn-default">选择</button>
<button id="btnPointer" class="btn btn-default">鼠标手</button>
<button id="btnEraser" class="btn btn-default">橡皮</button>
<button id="btnPathMutator" class="btn btn-default">Path变形</button>
<button id="btnArrow" class="btn btn-default">箭头</button>
<button id="btnLine" class="btn btn-default">直线</button>
<button id="btnDashed" class="btn btn-default">虚线</button>
<button id="btnEllipse" class="btn btn-default">圆形</button>
<button id="btnRectangle" class="btn btn-default">矩形</button>
<button id="btnTriangle" class="btn btn-default">三角形</button>
<button id="btnRightTriangle" class="btn btn-default">直角三角形</button>
<button id="btnStar" class="btn btn-default">星星</button>
<button id="btnChatBox" class="btn btn-default">气泡框</button>
<button id="btnTextImg" class="btn btn-default">文本</button>
<button id="btnMarker" class="btn btn-default">Marker</button>
<button id="btnHighlighter" class="btn btn-default">Highlighter</button>
<button id="btnSignature" class="btn btn-default">签名</button>
<button id="btnImage" class="btn btn-default">图片</button>
</div>
<div class="btn-group">
<button id="btnWidth1" class="btn btn-default">
<span></span>
</button>
<button id="btnWidth2" class="btn btn-default">
<span></span>
</button>
<button id="btnWidth3" class="btn btn-default">
<span></span>
</button>
</div>
<div class="btn-group color">
<button id="btnColor1" class="btn btn-default">
<span></span>
</button>
<button id="btnColor2" class="btn btn-default">
<span></span>
</button>
<button id="btnColor3" class="btn btn-default">
<span></span>
</button>
<button id="btnColor4" class="btn btn-default">
<span></span>
</button>
<button id="btnColor5" class="btn btn-default">
<span></span>
</button>
</div>
</div>
<div class="btns-group">
<div class="btn-group">
<button id="btnClear" class="btn btn-default">Clear</button>
<button id="btnRedo" class="btn btn-default">Redo</button>
<button id="btnUndo" class="btn btn-default">Undo</button>
<button id="btnDelete" class="btn btn-default">Delete</button>
<button id="btnMaterialPrev" class="btn btn-default">教材上</button>
<button id="btnMaterialNext" class="btn btn-default">教材下</button>
<button id="btnScale+" class="btn btn-default">缩放+</button>
<button id="btnScale-" class="btn btn-default">缩放-</button>
</div>
</div>
<div class="btns-group">
<div class="btn-group">
<button id="btnCurve" class="btn btn-default">绘制曲线</button>
<button id="btnPolyline" class="btn btn-default">绘制折线</button>
<button id="btnRect" class="btn btn-default">绘制一个矩形</button>
<button id="btnRects" class="btn btn-default">绘制多个矩形</button>
<button id="btnRectss" class="btn btn-default">绘制海量矩形</button>
<button id="btnCompoundPath" class="btn btn-default">绘制复合图形</button>
<button id="btnHitMap" class="btn btn-default">绘制热力图</button>
<button id="btnText" class="btn btn-default">绘制文字</button>
<button id="btnGrid" class="btn btn-default">绘制网格</button>
<button id="btnAxes" class="btn btn-default">绘制坐标系</button>
</div>
<div class="btn-group">
<button id="btnAnim" class="btn btn-default">一起转</button>
</div>
</div>
<div class="btns-group">
<div class="btn-group">
<button id="btnRdm" class="btn btn-default">绘制随机图形</button>
<button id="btnSave" class="btn btn-default">保存当前图形</button>
<button id="btnPaths" class="btn btn-default">绘制保存图形</button>
<button id="btnSaveImg" class="btn btn-default">保存为图片</button>
<button id="btnPerf" class="btn btn-default">性能</button>
<button id="btnSimp" class="btn btn-default">简化</button>
</div>
</div>
<div id="draw-panel2">
</div>
<div class="btns-group">
<div class="btn-group">
<button id="btnGrid2" class="btn btn-default">绘制网格</button>
<button id="btnAxes2" class="btn btn-default">绘制坐标系</button>
</div>
</div>
</div>
<script src="./libs/app.js"></script>
<script>
var stats = new Stats();
stats.showPanel(0); // 0: fps, 1: ms, 2: mb, 3+: custom
document.body.appendChild(stats.dom);
function animate() {
stats.begin();
// monitored code goes here
stats.end();
requestAnimationFrame(animate);
}
requestAnimationFrame(animate);
const MILLION = 1000000;
const WAN = 100000;
$(() => {
/**
* 首字幕小写
* @param { } str
*/
const camelize = (str) => {
return str.replace(/\b[A-Z]/g, function (match) {
return match.toLowerCase();
});
}
//shape tools
const btns = [
"btnPointer", "btnEraser", "btnArrow",
"btnLine", "btnEllipse", "btnRectangle",
"btnTriangle", "btnMarker", "btnHighlighter",
"btnSignature", "btnStar", "btnDashed",
"btnRightTriangle", "btnSelection",
"btnChatBox", "btnTextImg", "btnText", "btnPathMutator"
];
btns.forEach(btn => {
$('#' + btn).click(() => {
whiteboard.tool = camelize(btn.slice(3));
});
})
const widthBtns = ['btnWidth1', 'btnWidth2', 'btnWidth3'];
widthBtns.forEach((btn, idx) => {
let widths = [3, 6, 9];
$('#' + btn).click(() => {
let w = widths[idx];
whiteboard.tool.style.width = w;
});
});
const colorBtns = ['btnColor1', 'btnColor2', 'btnColor3', 'btnColor4', 'btnColor5'];
colorBtns.forEach((btn, idx) => {
let colors = ['rgb(40, 40, 40)', 'rgb(255, 75, 89)', 'rgb(142, 207, 84)', 'rgb(255, 163, 0)', 'rgb(0, 184, 252)'];
$('#' + btn).click(() => {
let c = colors[idx];
whiteboard.tool.style.strokeColor = c;
});
});
$("#btnPerf").click(() => {
let item = items[0];
if (item) {
console.time("perf: get bounds")
for (let i = 0; i < WAN; i++) {
let w = item.bounds.width;
}
console.timeEnd("perf: get bounds")
}
});
$("#btnImage").click(() => {
let img = images[parseInt(Math.random() * images.length)];
whiteboard.add([9, , img]);
});
$("#btnClear").click(() => {
whiteboard.clear();
});
$("#btnCurve").click(() => {
let item = whiteboard.createItem(curve1);
item.showAuxiliary = true;
whiteboard.add(item);
});
$("#btnRect").click(() => {
whiteboard.add(rect1);
});
const colors = ["#c6e48b","#c6e48b","#196127","#7bc96f","#7bc96f","#c6e48b","#ebedf0"];
$('#btnHitMap').click(() => {
let startX = 100, startY = 100;
for (let w = 0; w < 50; w++) {
for (let h = 0; h < 7; h++) {
let sx = w * 12 + startX;
let sy = h * 12 + startY;
let ex = sx + 8;
let ey = sy + 8;
let hex = parseInt(h * 16777215 / 100);
let item =whiteboard.createItem([6, , [[sx, sy], [ex, ey]], { c: colors[parseInt(Math.random() * 7) ]}]);
item.on('hover', function({ target }){
//console.log(...arguments);
target.selected = true;
});
whiteboard.add(item);
}
}
});
let midx = 0;
$("#btnMaterialPrev").click(() => {
if (--midx < 0) return;
whiteboard.drawMaterial(materials[midx]);
});
$("#btnMaterialNext").click(() => {
if (++midx >= materials.length - 1) return;
whiteboard.drawMaterial(materials[midx]);
});
$('#btnScale+').click(() => {
whiteboard.zoom = 1.25;
});
$('#btnScale-').click(() => {
whiteboard.zoom = 0.8;
});
// $("#btnText").click(() => {
// whiteboard.addText(text_cn);
// });
function toRGB(num) {
const red = num >> 16;
const green = (num >> 8) & 255;
const blue = num & 255;
return [red, green, blue].join(',');
// return `rgb(${})`;
}
$("#btnRects").click(() => {
for (let i = 0; i < 100; i++) {
let xi = i % 10, yi = parseInt(i / 10),
sx = xi * 100 + 25,
sy = yi * 100 + 25,
ex = xi * 100 + 75,
ey = yi * 100 + 75;
let hex = parseInt(i * 16777215 / 100);
//whiteboard.add([6, , [[sx, sy], [ex, ey]], { c: 'rgb(' + toRGB(hex) + ')' }]);
whiteboard.add([6, , [[sx, sy], [ex, ey]], { c: '#ddd' }]);
}
});
$("#btnRectss").click(() => {
for (let i = 0; i < 10000; i++) {
let xi = i % 100, yi = parseInt(i / 100),
sx = xi * 8 + 30,
sy = yi * 8 + 30,
ex = xi * 8 + 24,
ey = yi * 8 + 24;
let hex = parseInt(i * 16777215 / 10000);
whiteboard.add([6, , [[sx, sy], [ex, ey]], { c: 'rgb(' + toRGB(hex) + ')' }]);
}
});
$("#btnAnim").click(() => {
let lastValue = 0;
console.time('--animate--');
nebula.util.animate({
startValue: 0,
endValue: 360,
duration: 400,
// easing: ease,
onChange(value, valueProgress, timeProgress) {
whiteboard.items.forEach((item) => {
// item.scale(value / lastValue, value / lastValue);
// console.log(value - lastValue);
item.rotate(value - lastValue);
})
lastValue = value;
},
onComplete(value, valueProgress, timeProgress) {
console.timeEnd('--animate--');
}
});
});
$("#btnCompoundPath").click(() => {
let compoundPath1 = drawFlag();
whiteboard.addItem(compoundPath1);
});
$("#btnSaveImg").click(() => {
whiteboard.saveImage();
});
$("#btnGrid").click(() => {
whiteboard.drawGrid(true);
});
$("#btnAxes").click(() => {
whiteboard.drawAxes();
});
$("#btnGrid2").click(() => {
whiteboard2.drawGrid(true);
});
$("#btnAxes2").click(() => {
whiteboard2.drawAxes();
});
//btnSaveImg
$("#btnSave").click(() => {
localStorage.setItem("_VANILLA_WHITEBOARD_1", JSON.stringify(whiteboard.data));
});
$("#btnPaths").click(() => {
const PATHS = JSON.parse(localStorage.getItem("_VANILLA_WHITEBOARD_1"));
PATHS.forEach(element => {
whiteboard.add(element);
});
});
$("#btnSimp").click(() => items.forEach(element => element.simplify()));
function drawFlag() {
let compoundPath = whiteboard.createItem('compoundPath');
let i = 0, j = 0, star, r = 5;
var width = 380;
var height = 200;
let flag = whiteboard.createItem('rectangle', { fillColor: '#fff', width: 0 });
flag.startPoint = new nebula.Point(0, 0);
flag.endPoint = new nebula.Point(width, height);
flag.buildPath();
flag.fill = true;
flag.stroke = false;
compoundPath.add(flag)
for (i = 0; i < 13; i++) {
let bar, sx = 0, sy, ex = width, ey;
bar = whiteboard.createItem('rectangle', { fillColor: i % 2 == 0 ? '#ff0000' : "#fff", width: 0 });
bar.fill = true;
bar.stroke = false;
sy = height / 13 * i;
ey = height / 13 * (i + 1);
bar.startPoint = new nebula.Point(sx, sy);
bar.endPoint = new nebula.Point(ex, ey);
bar.buildPath();
compoundPath.add(bar);
}
var D = width / 5 * 2;
var C = height / 13 * 7;
let top = whiteboard.createItem('rectangle', { fillColor: '#0000ff', width: 0 });
top.startPoint = new nebula.Point(0, 0);
top.endPoint = new nebula.Point(D, C);
top.buildPath();
top.fill = true;
top.stroke = false;
compoundPath.add(top);
for (i = 0; i < 6; i++) {
for (j = 0; j < 5; j++) {
x = D / 12 + 2 * i * D / 12;
y = C / 10 + 2 * j * C / 10;
star = whiteboard.createItem('star', { fillColor: '#fff', width: 0 });
star.startPoint = new nebula.Point(x - r, y - r);
star.endPoint = new nebula.Point(x + r, y + r);
star.buildPath();
star.fill = true;
compoundPath.add(star);
}
}
for (i = 0; i < 5; i++) {
for (j = 0; j < 4; j++) {
x = D / 6 + 2 * i * D / 12;
y = C / 5 + 2 * j * C / 10;
star = whiteboard.createItem('star', { fillColor: '#fff', width: 0 });
star.startPoint = new nebula.Point(x - r, y - r);
star.endPoint = new nebula.Point(x + r, y + r);
star.buildPath();
star.fill = true;
compoundPath.add(star);
}
}
return compoundPath;
}
})
</script>
<!-- built files will be auto injected -->
</body>
</html>