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55-绘图雏形-05-drawBG.html
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55-绘图雏形-05-drawBG.html
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<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" type="text/css" href="svg270/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="svg270/themes/icon.css">
<script type="text/javascript" src="svg270/jquery.min.js"></script>
<script type="text/javascript" src="svg270/jquery.easyui.min.js"></script>
<script src="svg270/svg.min.js"></script>
<script src="svg270/svg.panzoom.min.js"></script>
<script src="svg270/svg.draggable.min.js"></script>
<link rel="stylesheet" type="text/css" href="svg270/svg.select.css">
<script src="svg270/svg.select.js"></script>
<script src="svg270/svg.resize.js"></script>
</head>
<style>
</style>
<body>
<div style="border-bottom: 1px solid gray;">我是一个视窗</div>
底图透明度:<div id="id_image_opacity" style="width:200px"></div>
<div id="drawing">
</div>
</body>
<script>
// 这里是整个视窗和最外层的<svg>是一致的
var drawimgWidth = 1000;
var drawingHeight = 800;
$("#drawing").css({
border: "2px solid rosybrown",
width: drawimgWidth + "px",
height: drawingHeight + "px",
});
var draw = SVG('drawing').size(drawimgWidth, drawingHeight)
// pan and zoom
draw.panZoom({ zoomMin: 0.01, zoomMax: 100 });;
//这是底图的测试图片
var imageWidth = 800;
var imageHeight = 600;
var image = draw.image('svg270/1.jpeg', imageWidth, imageHeight);
//灰度调整区域
var imgArea = draw.group().style({ cursor: 'pointer', fill: '#fff' }).style("fill-opacity", 0.3);
imgArea.add(image);
// imgArea.rect(imageWidth, imageHeight).attr("stroke", "#f3f").attr("stroke-width", "2");
imgArea.rect(imageWidth, imageHeight);
btn();
function btn() {
//底图透明度按钮
$('#id_image_opacity').slider({
mode: 'h', //声明滚动条类型。可用值有:'h'(水平)、'v'(垂直)。
min: 0,
max: 1,
step: 0.01,
value:0.3,
tipFormatter: function (value) {
return value + '%';
},
onChange: function (newValue, oldValue) {
imgArea.style("fill-opacity", newValue);
console.log(newValue);
}
});
}
</script>
</html>