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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AILabel示例一览</title>
<link rel="stylesheet" href="./bootstrap.min.css">
<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="./bootstrap.min.js"></script>
<script src='./index.js'></script>
<style type="text/css">
body {
padding: 10px 20px;
}
.button-wrap {
padding-bottom: 10px;
}
#map {
overflow: hidden;
position: relative;
height: 600px;
border: 1px dashed #ccc;
}
.zoom-icon-wrapper {
position: absolute;
left: 20px;
top: 20px;
z-index: 1000;
}
.zoom-icon-plus {
width: 30px;
height: 30px;
line-height: 20px;
text-align: center;
border: 3px solid #6495ED;
font-size: 20px;
border-top-left-radius: 6px;
border-top-right-radius: 6px;
color: #FF8C00;
cursor: pointer;
}
.zoom-icon-plus:hover {
border-color: #4169E1;
}
.zoom-icon-minus {
margin-top: 6px;
width: 30px;
height: 30px;
line-height: 20px;
text-align: center;
border: 3px solid #6495ED;
font-size: 25px;
border-bottom-left-radius: 6px;
border-bottom-right-radius: 6px;
color: #FF8C00;
cursor: pointer;
}
.zoom-icon-minus:hover {
border-color: #4169E1;
}
</style>
</head>
<body>
<div class="button-wrap">
<button class="btn btn-default" onclick="setMode('PAN');">平移</button>
<button class="btn btn-default" onclick="setMode('MARKER');">注记</button>
<button class="btn btn-default" onclick="setMode('POINT');">点</button>
<button class="btn btn-default" onclick="setMode('LINE');">线段</button>
<button class="btn btn-default" onclick="setMode('POLYLINE');">多段线</button>
<button class="btn btn-default" onclick="setMode('CIRCLE');">圆</button>
<button class="btn btn-default" onclick="setMode('RECT');">矩形</button>
<button class="btn btn-default" onclick="setMode('POLYGON');">多边形</button>
<button class="btn btn-default" onclick="getFeatures();">获取标注数据</button>
<button class="btn btn-default" onclick="exportImage('base64');">导出base64图片</button>
<button class="btn btn-default" onclick="exportImage('blob');">导出blob图片</button>
<button class="btn btn-default" onclick="setMode('DRAWMASK');">涂抹</button>
<button class="btn btn-default" onclick="setMode('CLEARMASK');">擦除</button>
<button class="btn btn-default" onclick="getRle();">获取rle数据</button>
<a href="./label/index.html" target="_blank">>>标注demo</a>
</div>
<div id="map">
<div class="zoom-icon-wrapper">
<div class="zoom-icon-plus" onclick="zoomIn();">+</div>
<div class="zoom-icon-minus" onclick="zoomOut();">-</div>
</div>
</div>
<br />
<div>注：在绘制模式（点/线/面）时，双击图形可进行选中编辑；单击未选中图形区域或切换mode模式会取消选中</div>
<script>
let drawingStyle = {}; // 绘制过程中样式
const dpr = window.devicePixelRatio;
const gMap = new AILabel.Map('map', {
center: {
x: 250,
y: 177
}, // 为了让图片居中
zoom: 800,
mode: 'PAN', // 绘制线段
refreshDelayWhenZooming: true, // 缩放时是否允许刷新延时，性能更优
zoomWhenDrawing: true,
panWhenDrawing: true,
zoomWheelRatio: 5, // 控制滑轮缩放缩率[0, 10), 值越小，则缩放越快，反之越慢
withHotKeys: true // 关闭快捷键
});
// gMap.slots.on('drawActivePoint', (point, instance) => {
// instance.addCircleFeature(
// {sr: 3.5, cx: point.x, cy: point.y},
// {
// clear: false,
// style: {strokeStyle: '#00f', fillStyle: '#00f', stroke: true, fill: true, lineWidth: 1}
// }
// );
// return false;
// });
// click单击事件
gMap.events.on('click', point => {
// console.log('--click--', point);
});
gMap.events.on('drawDone', (type, data, data1) => {
console.log('--type, data--', type, data);
if (type === 'MARKER') {
const marker = new AILabel.Marker(
`${+new Date()}`, // id
{
src: './images/marker.png',
position: data,
offset: {
x: -16,
y: 32
}
}, // markerInfo
{
name: '第一个marker注记'
} // props
);
marker.events.on('click', marker => {
console.log('marker click');
gMap.markerLayer.removeMarkerById(marker.id);
});
gMap.markerLayer.addMarker(marker);
} else if (type === 'POINT') {
const pointFeature = new AILabel.Feature.Point(
`${+new Date()}`, // id
{
...data,
sr: 3
}, // shape
{
name: '第一个矢量图层'
}, // props
drawingStyle // style
);
gFirstFeatureLayer.addFeature(pointFeature);
} else if (type === 'CIRCLE') {
// data 代表r半径shape；data1代表sr半径shape
const circleFeature = new AILabel.Feature.Circle(
`${+new Date()}`, // id
data, // data1代表屏幕坐标 shape
{
name: '第一个矢量图层'
}, // props
{
fillStyle: '#F4A460',
strokeStyle: '#D2691E',
lineWidth: 2
} // style
);
gFirstFeatureLayer.addFeature(circleFeature);
} else if (type === 'LINE') {
const scale = gMap.getScale();
const width = drawingStyle.lineWidth / scale;
const lineFeature = new AILabel.Feature.Line(
`${+new Date()}`, // id
{
...data,
width
}, // shape
{
name: '第一个矢量图层'
}, // props
drawingStyle // style
);
gFirstFeatureLayer.addFeature(lineFeature);
} else if (type === 'POLYLINE') {
const scale = gMap.getScale();
const width = drawingStyle.lineWidth / scale;
const polylineFeature = new AILabel.Feature.Polyline(
`${+new Date()}`, // id
{
points: data,
width
}, // shape
{
name: '第一个矢量图层'
}, // props
drawingStyle // style
);
gFirstFeatureLayer.addFeature(polylineFeature);
} else if (type === 'RECT') {
const rectFeature = new AILabel.Feature.Rect(
`${+new Date()}`, // id
data, // shape
{
name: '矢量图形'
}, // props
drawingStyle // style
);
gFirstFeatureLayer.addFeature(rectFeature);
} else if (type === 'POLYGON') {
const polygonFeature = new AILabel.Feature.Polygon(
`${+new Date()}`, // id
{
points: data
}, // shape
{
name: '矢量图形'
}, // props
drawingStyle // style
);
gFirstFeatureLayer.addFeature(polygonFeature);
} else if (type === 'DRAWMASK') {
const scale = gMap.getScale();
const width = drawingStyle.lineWidth / scale;
const drawMaskAction = new AILabel.Mask.Draw(
`${+new Date()}`, // id
'铅笔', {
points: data,
width
}, // shape
{
name: '港币',
price: '1元'
}, // props
drawingStyle // style
);
gFirstMaskLayer.addAction(drawMaskAction);
} else if (type === 'CLEARMASK') {
const scale = gMap.getScale();
const width = drawingStyle.lineWidth / scale;
const clearMaskAction = new AILabel.Mask.Clear(
`${+new Date()}`, // id
{
points: data,
width
} // shape
);
gFirstMaskLayer.addAction(clearMaskAction);
}
});
gMap.events.on('boundsChanged', data => {
// console.log('--map boundsChanged--');
return 2222;
});
gMap.events.on('featureSelected', feature => {
// console.log('--map featureSelected--', feature);
gMap.setActiveFeature(feature);
});
gMap.events.on('featureUnselected', () => {
// 取消featureSelected
gMap.setActiveFeature(null);
});
gMap.events.on('featureUpdated', (feature, shape) => {
feature.updateShape(shape);
});
gMap.events.on('featureDeleted', ({
id: featureId
}) => {
gFirstFeatureLayer.removeFeatureById(featureId);
});
// 图片层添加
const gFirstImageLayer = new AILabel.Layer.Image(
'first-layer-image', // id
{
src: '',
// src: './images/bg.webp',
width: 500,
height: 354,
crossOrigin: false, // 如果跨域图片，需要设置为true
position: { // 左上角相对中心点偏移量
x: 0,
y: 0
},
grid: { // 3 * 3
columns: [{
color: '#9370DB'
}, {
color: '#FF6347'
}],
rows: [{
color: '#9370DB'
}, {
color: '#FF6347'
}]
}
}, // imageInfo
{
name: '第一个图片图层'
}, // props
{
zIndex: 5
} // style
);
// 图片层相关事件监听
gFirstImageLayer.events.on('loadStart', (a, b) => {
console.log('--loadStart--', a, b);
});
gFirstImageLayer.events.on('loadEnd', (a, b) => {
console.log('--loadEnd--', a, b);
});
gFirstImageLayer.events.on('loadError', (a, b) => {
console.log('--loadError--', a, b);
});
// 添加到gMap对象
gMap.addLayer(gFirstImageLayer);
const gFirstFeatureLayer = new AILabel.Layer.Feature(
'first-layer-feature', // id
{
name: '第一个矢量图层'
}, // props
{
zIndex: 10
} // style
);
gMap.addLayer(gFirstFeatureLayer);
const gFirstMaskLayer = new AILabel.Layer.Mask(
'first-layer-mask', // id
{
name: '第一个涂抹图层'
}, // props
{
zIndex: 11,
opacity: .5
} // style
);
gMap.addLayer(gFirstMaskLayer);
const gFirstMaskImageAction = new AILabel.Mask.Image(
'first-image-action', // id
'钢笔', {
src: '',
// src: './images/mask_min.png',
width: 500,
height: 354,
position: { // 左上角相对中心点偏移量
x: 0,
y: 0
}
}, // imageInfo
);
gFirstMaskLayer.addAction(gFirstMaskImageAction);
const gFirstTextLayer = new AILabel.Layer.Text(
'first-layer-text', // id
{
name: '第一个文本图层'
}, // props
{
zIndex: 12,
opacity: 1
} // style
);
gMap.addLayer(gFirstTextLayer);
const gFirstText = new AILabel.Text(
'first-text', // id
{
text: '中华人民共和国',
position: {
x: 300,
y: 300
},
offset: {
x: 0,
y: 0
}
}, // shape
{
name: '第一个文本对象'
}, // props
{
fillStyle: '#F4A460',
strokeStyle: '#D2691E',
background: true,
globalAlpha: 1,
fontColor: '#0f0'
} // style
);
gFirstTextLayer.addText(gFirstText);
const gFirstFeaturePoint = new AILabel.Feature.Point(
'first-feature-point', // id
{
x: 250,
y: 177,
sr: 3
}, // shape
{
name: '第一个矢量图层'
}, // props
{
fillStyle: '#f00',
lineCap: 'round'
} // style
);
gFirstFeatureLayer.addFeature(gFirstFeaturePoint);
const gFirstFeatureCircle = new AILabel.Feature.Circle(
'first-feature-circle', // id
{
cx: 100,
cy: 100,
sr: 20
}, // shape
{
name: '第一个矢量图层'
}, // props
{
fillStyle: '#F4A460',
strokeStyle: '#00f',
lineWidth: 1,
stroke: true,
fill: false
} // style
);
gFirstFeatureLayer.addFeature(gFirstFeatureCircle);
const gFirstFeatureLine = new AILabel.Feature.Line(
'first-feature-line', // id
{
start: {
x: 100,
y: 150
},
end: {
x: 200,
y: 250
},
width: 10
}, // shape
{
name: '第一个矢量图层'
}, // props
{
strokeStyle: '#FF4500',
lineCap: 'round'
} // style
);
gFirstFeatureLayer.addFeature(gFirstFeatureLine);
const gFirstFeatureRect = new AILabel.Feature.Rect(
'first-feature-rect', // id
{
x: 200,
y: 50,
width: 100,
height: 100
}, // shape
{
name: '第一个矢量图层'
}, // props
{
strokeStyle: '#00f',
lineWidth: 1,
fillStyle: '#00f',
globalAlpha: .3,
fill: true
} // style
);
gFirstFeatureLayer.addFeature(gFirstFeatureRect);
const gFirstFeaturePolygon = new AILabel.Feature.Polygon(
'first-feature-polygon', // id
{
points: [{
x: 367,
y: 161
}, {
x: 371,
y: 220
}, {
x: 412,
y: 241
},
{
x: 474,
y: 210
}, {
x: 467,
y: 151
}, {
x: 426,
y: 124
}
]
}, // shape
{
name: '第一个多边形'
}, // props
{
strokeStyle: '#0000FF',
lineWidth: 1
} // style
);
gFirstFeatureLayer.addFeature(gFirstFeaturePolygon);
const gFirstMarker = new AILabel.Marker(
'first-marker', // id
{
src: '',
// src: './images/marker.png',
position: { // 左上角相对中心点偏移量
x: 250,
y: 177
},
offset: {
x: -16,
y: 32
}
}, // markerInfo
{
name: '第一个marker注记'
} // props
);
gFirstMarker.events.on('mouseDown', marker => {
console.log('marker mouseDown');
});
gFirstMarker.events.on('mouseUp', marker => {
console.log('marker mouseUp');
});
gFirstMarker.events.on('mouseOver', marker => {
console.log('marker mouseOver');
});
gFirstMarker.events.on('mouseOut', marker => {
console.log('marker mouseOut');
});
gFirstMarker.events.on('dragStart', marker => {
console.log('marker dragStart');
});
gFirstMarker.events.on('dragging', marker => {
console.log('marker dragging');
});
gFirstMarker.events.on('dragEnd', (marker, newPosition) => {
console.log('marker dragEnd');
marker.updatePosition(newPosition);
});
gFirstMarker.events.on('rightClick', marker => {
console.log('marker click');
gMap.markerLayer.removeMarkerById(marker.id);
});
gFirstMarker.enableDragging();
gMap.markerLayer.addMarker(gFirstMarker);
console.log('--AILabel--', AILabel);
function zoomIn() {
gMap.zoomIn();
}
function zoomOut() {
gMap.zoomOut();
}
function getRle() {
const rleData = gFirstMaskLayer.getRleData({
x: 0,
y: 0,
width: 500,
height: 354
});
console.log('--rleData--', rleData);
}
function setMode(mode) {
gMap.setMode(mode);
// 后续对应模式处理
switch (gMap.mode) {
case 'PAN': {
break;
}
case 'MARKER': {
// 忽略
break;
}
case 'POINT': {
drawingStyle = {
fillStyle: '#9370DB'
};
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'CIRCLE': {
drawingStyle = {
fillStyle: '#9370DB',
strokeStyle: '#0000FF',
lineWidth: 2
};
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'LINE': {
drawingStyle = {
strokeStyle: '#FF00FF',
lineJoin: 'round',
lineCap: 'round',
lineWidth: 10,
arrow: false
};
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'POLYLINE': {
drawingStyle = {
strokeStyle: '#FF1493',
lineJoin: 'round',
lineCap: 'round',
lineWidth: 10
}
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'RECT': {
drawingStyle = {
strokeStyle: '#0f0',
lineWidth: 1
}
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'POLYGON': {
drawingStyle = {
strokeStyle: '#00f',
fillStyle: '#0f0',
globalAlpha: .3,
lineWidth: 1,
fill: true,
stroke: true
}
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'DRAWMASK': {
drawingStyle = {
strokeStyle: 'rgba(255, 0, 0, .5)',
fillStyle: '#00f',
lineWidth: 50
}
gMap.setDrawingStyle(drawingStyle);
break;
}
case 'CLEARMASK': {
drawingStyle = {
fillStyle: '#00f',
lineWidth: 30
}
gMap.setDrawingStyle(drawingStyle);
break;
}
default:
break;
}
}
// 导出图片上护具
async function exportImage(type) {
const imagedata = await gMap.exportLayersToImage({
x: 0,
y: 0,
width: 500,
height: 354
}, {
type,
format: 'image/png'
});
const imageDom = new Image();
if (type === 'base64') {
// 导出base64格式
imageDom.src = imagedata;
} else {
// 导出blob格式
const url = URL.createObjectURL(imagedata);
imageDom.src = url;
imageDom.onload = () => {
URL.revokeObjectURL(url);
}
}
let aLink = document.createElement('a');
aLink.style.display = 'none';
aLink.href = imageDom.src;
aLink.download = 'export.png';
// 触发点击-然后移除
document.body.appendChild(aLink);
aLink.click();
document.body.removeChild(aLink);
}
// 获取所有features
function getFeatures() {
const allFeatures = gFirstFeatureLayer.getAllFeatures();
console.log('--allFeatures--', allFeatures);
}
// 实例销毁
function destroy() {
gMap.destroy();
}
window.onresize = function () {
gMap && gMap.resize();
}
</script>
<!-- 百度统计代码添加 -->
<script>
var _hmt = _hmt || [];
(function () {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?d662d8c3f35f9f124a998a7dd5e24835";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</body>
</html>