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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>手写签名版</title>
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<script src="../Scripts/jquery-1.11.0.min.js"></script>
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<script type="text/javascript" src="../Scripts/bootstrap/js/jquery.min.js"></script>
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<link rel="stylesheet" type="text/css" href="../Scripts/bootstrap/css/bootstrap.min.css" />
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<script type="text/javascript" src="../Scripts/bootstrap/js/bootstrap.min.js"></script>
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<script type="text/javascript" src="../Scripts/QueryString.js"></script>
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<script type="text/javascript" src="../Scripts/config.js"></script>
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<script type="text/javascript" src="../Comm/Gener.js"></script>
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<script src="../Scripts/jq-signature.min.js" type="text/javascript"></script>
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<script src="../Scripts/jq-signature.js" type="text/javascript"></script>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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.clearfix:after {
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visibility: hidden;
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display: block;
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font-size: 0;
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content: " ";
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clear: both;
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height: 0;
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}
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.clearfix {
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*zoom: 1;
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}
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.wapr_nav {
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border-bottom: 2px solid #ccc;
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}
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.wapr_nav_left {
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margin: 10px 0;
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padding: 0 10px;
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float: left;
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font-size: 15px;
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color: #333;
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text-align: center;
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line-height: 30px;
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border-right: 1px solid #ccc;
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cursor: pointer;
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}
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.wapr_nav_right {
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float: right;
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margin: 10px 0;
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padding: 0 20px;
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font-size: 15px;
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color: #333;
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text-align: center;
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line-height: 30px;
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cursor: pointer;
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}
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.wapr_nav_left_img1 {
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display: block;
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width: 15px;
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height: 15px;
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background: url(Img/1.png) no-repeat;
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margin-left: 7px;
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}
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.wapr_nav_left_img2 {
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display: block;
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width: 15px;
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height: 15px;
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background: url(Img/2.png) no-repeat;
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margin-left: 7px;
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}
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.wapr_nav_left_img3 {
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display: block;
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width: 15px;
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height: 15px;
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background: url(Img/3.png) no-repeat;
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margin-left: 7px;
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}
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.wapr_nav_left_img4 {
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display: block;
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width: 20px;
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height: 15px;
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background: url(Img/4.png) no-repeat;
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margin-left: 7px;
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}
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.wapr_nav_left_img6 {
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display: block;
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width: 20px;
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height: 16px;
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background: url(Img/6.png) no-repeat;
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margin-left: 12px;
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}
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.qudiao {
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border-right: none;
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}
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.qianziban {
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}
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#addImg input {
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position: absolute;
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top: 5px;
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right: 6px;
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width: 60px;
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/* color: #fff; */
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height: 50px;
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/* 重点代码让input隐藏 */
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opacity: 0;
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}
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#addImg {
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position: relative;
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height: 40px;
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width: 35px;
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}
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html, body {
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-ms-overflow-style: scrollbar;
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}
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</style>
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</head>
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<body>
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<div class="wapr" id="sxb" style="height: 100%">
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<div class="wapr_nav clearfix" id="button">
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<div id="saveBtn" onclick="saveSignature();" class="wapr_nav_left"><span class="wapr_nav_left_img1"></span>确定</div>
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<div id="addImg" style="width:55px;" onclick="AddImg()" class="wapr_nav_left">
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<span class="wapr_nav_left_img2"></span>插入
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<input id="inputImg" type="file" />
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</div>
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<div id="clr" val="0" onclick="clearsame()" class="wapr_nav_left"><span class="wapr_nav_left_img6"></span><div id="xpc">橡皮擦</div></div>
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<div id="clearBtn" onclick="clearCanvas(1)" class="wapr_nav_left"><span class="wapr_nav_left_img3"></span>重置</div>
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<div val="0" style="margin-top:14px;padding-right:0px;" class="wapr_nav_left qudiao">粗细</div>
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<div val="0" class="wapr_nav_left qudiao">
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<select class="form-control" onchange="setfont()" id="select-font-size">
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<option style="font-size:16px" value="2">细</option>
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<option style="font-size:16px" value="5" selected="selected">中</option>
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<option style="font-size:16px" value="8">粗</option>
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</select>
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</div>
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</div>
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<div id="signature" class="js-signature" data-border="0px solid black" data-line-color="#bc0000" data-auto-fit="true" style="overflow:auto;">
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</div>
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</div>
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<script type="text/javascript">
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$(window).resize(function () {
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// 变化后需要做的事
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var canvawidth = document.getElementById("signature").offsetWidth;
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var canvaheight = document.getElementById("signature").offsetHeight;
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var iframe = $($(".layui-layer-content", parent.document)[0]).find("iframe")[0];
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//console.log( )
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document.body.style.height = iframe.offsetHeight + "px";
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document.getElementById("signature").style.height = document.getElementById("sxb").offsetHeight - document.getElementById("button").offsetHeight + 'px';
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document.getElementById("signature").style.width = document.getElementById("sxb").offsetWidth + 'px';
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var canvas = $('#signature').children()[0];
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var png = canvas.toDataURL("image/png")
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var width = document.getElementById("signature").offsetWidth;
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var height = document.getElementById("signature").offsetHeight;
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canvas.width = width;
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canvas.height = height;
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canvas.style.width = width + 'px';
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canvas.style.height = height + 'px';
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//创建image对象
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var imgObj = new Image();
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imgObj.src = png;
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var ctx = canvas.getContext("2d");
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//待图片加载完后，将其显示在canvas上
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imgObj.onload = function () {
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ctx.strokeStyle = "#000";
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ctx.drawImage(this, (width - canvawidth) / 2, (height - canvaheight) / 2); //this即是imgObj,保持图片的原始大小：470*480
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ctx.restore();
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ctx.save();
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}
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//ctx.restore();
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})
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</script>
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<script type="text/javascript">
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var imagePath = "";
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var SavePC = "";
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var deptNo = "";
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var elementID = GetQueryString("ElementID");
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if (elementID!=null && elementID.indexOf("WorkCheck_") != -1)
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deptNo = elementID.replace("WorkCheck_", "");
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var user = new WebUser();
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$(document).on('ready', function () {
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$('.js-signature').jqSignature();
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document.getElementById("signature").style.width = document.getElementById("sxb").offsetWidth + 'px';
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var canvas = $('#signature').children()[0];
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//canvas.width = img.width;
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if (user.FK_Dept == "951979" || user.Name == "白晓春") {
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canvas.height = 860;
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canvas.style.height = "860px";
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} else {
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canvas.height = 215;
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canvas.style.height = "215px";
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}
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var ctx = canvas.getContext("2d");
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ctx.strokeStyle = "#000";
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ctx.restore();
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//从缓存取出除父页面图片的二进制流
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InsertImg("");
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});
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function ComeBack() {
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window.screen.height = "100%";
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window.screen.width = "100%";
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}
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//插入
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//在input file内容改变的时候触发事件
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$('#inputImg').change(function () {
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//获取input file的files文件数组;
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//$('#filed')获取的是jQuery对象，.get(0)转为原生对象;
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//这边默认只能选一个，但是存放形式仍然是数组，所以取第一个元素使用[0];
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var file = $('#inputImg').get(0).files[0];
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//创建用来读取此文件的对象
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var reader = new FileReader();
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//使用该对象读取file文件
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reader.readAsDataURL(file);
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//读取文件成功后执行的方法函数
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reader.onload = function (e) {
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//读取成功后返回的一个参数e，整个的一个进度事件
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console.log(e);
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//选择所要显示图片的img，要赋值给img的src就是e中target下result里面
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//转为base64编码格式的地址并加载到画布
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clearCanvas(0);
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InsertImg(e.target.result);
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//是否是插入的图片
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window.localStorage.setItem("InsertTmg", "true");
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}
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})
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//加载保存的签名
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function InsertImg(SavePC) {
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if (SavePC == "")
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SavePC = localStorage.getItem("writeImg");
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var img = new Image();
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var user = new WebUser();
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var canvas = $('#signature').children()[0];
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var ctx = canvas.getContext("2d");
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if (!SavePC) {
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img.src = "../../DataUser/Siganture/" + user.Name + ".png";
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} else {
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img.src = SavePC;
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}
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console.log(SavePC);
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img.onload = function () {
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//img.width="50px";
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//img.height="100px";
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ctx.strokeStyle = "#000";
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ctx.drawImage(img, 0, 0, 340, 150);
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if (!SavePC) {
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var data = new Date();
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var day = data.getDate();
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var day1 = data.getMonth() + 1;
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ctx.restore();
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ctx.beginPath();
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ctx.textBaseline = "middle";
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ctx.textAlign = "center";
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ctx.font = "bold 20px 宋体";
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ctx.fillText(day1 + "." + day, 315, 150);
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}
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ctx.restore();
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ctx.save();
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}
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}
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function clearCanvas(type) {
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if (type == 1) {
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window.parent.typecon = false;
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}
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//$('#signature').html('<p><em></em></p>');
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$('.js-signature').eq(0).jqSignature('clearCanvas');
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var canvas = $('#signature').children()[0]
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var ctx = canvas.getContext("2d");
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ctx.strokeStyle = "#000";
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ctx.restore();
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}
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function clearsame() {
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if ($('#clr').attr('val') == 1) {
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var canvas = $('#signature').children()[0];
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canvas.style.cursor = 'crosshair';
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$('#clr').attr('val', '0');
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$('#xpc').text("橡皮擦");
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} else {
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var canvas = $('#signature').children()[0];
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canvas.style.cursor = 'url(Img/6.png)';
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$('#clr').attr('val', '1');
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$('#xpc').text("取消");
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}
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}
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function setfont() {
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$('.js-signature').jqSignature('setfont');
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}
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function isCanvasBlank(canvas) {
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var blank = document.createElement('canvas'); //系统获取一个空canvas对象
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blank.width = canvas.width;
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blank.height = canvas.height;
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return canvas.toDataURL() == blank.toDataURL(); //比较值相等则为空
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}
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function saveSignature() {
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window.parent.mrimg = false;
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var canvas = $('#signature').children()[0];
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if (isCanvasBlank(canvas)) {
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SavePC = '';
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window.parent.typecon = false;
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} else {
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$('#signature').empty();
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var pic = $('.js-signature').jqSignature('getDataURL');
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SavePC = pic;
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window.parent.typecon = true;
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}
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if (SavePC == "") {
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baocui(SavePC);
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} else {
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tailor(SavePC);
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}
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}
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$('.js-signature').eq(0).on('jq.signature.changed', function () {
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$('#saveBtn').attr('disabled', false);
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});
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/**
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* 裁剪空白区域
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* @param base64
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* @param callback
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*/
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function tailor(base64) {
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var img = new Image();//创建图片对象
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img.src = base64;
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img.onload = function () {
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var c = document.createElement('canvas');//创建处理画布对象
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var ctx = c.getContext('2d');
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c.width = img.width;
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c.height = img.height;
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ctx.drawImage(img, 0, 0);//绘制
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var imgData = ctx.getImageData(0, 0, c.width, c.height).data;//读取图片数据
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var lOffset = c.width, rOffset = 0, tOffset = c.height, bOffset = 0;
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for (var i = 0; i < c.width; i++) {
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for (var j = 0; j < c.height; j++) {
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var pos = (i + c.width * j) * 4
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if (imgData[pos] == 255 || imgData[pos + 1] == 255 || imgData[pos + 2] == 255 || imgData[pos + 3] == 255) {
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bOffset = Math.max(j, bOffset); // 找到有色彩的最下端
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rOffset = Math.max(i, rOffset); // 找到有色彩的最右端
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tOffset = Math.min(j, tOffset); // 找到有色彩的最上端
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lOffset = Math.min(i, lOffset); // 找到有色彩的最左端
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}
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}
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}
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lOffset++;
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rOffset++;
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tOffset++;
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bOffset++;
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var x = document.createElement("canvas");//创建处理后画布对象
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x.width = rOffset - lOffset;
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x.height = bOffset - tOffset;
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var xx = x.getContext("2d");
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xx.drawImage(img, lOffset, tOffset, x.width, x.height, 0, 0, x.width, x.height);//绘制
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baocui(x.toDataURL());
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}
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}
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function baocui(SavePC) {
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//图片二进制流存入到缓存中
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window.localStorage.setItem("writeImg", SavePC);
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//console.log(SavePC+"pic=========");
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var writType = GetQueryString("WritType");
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// console.log(writType);
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if (writType != null && writType != undefined && writType == "WorkCheck") {
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//console.log("=============");
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parent.setHandWriteSrc("WorkCheck", SavePC, 1);
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return;
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}
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var newpic = SavePC.replace(/^data:image\/(png|jpg);base64,/, "");
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var handler = new HttpHandler("BP.WF.HttpHandler.WF_CCForm");
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handler.AddPara("FK_Node", GetQueryString("FK_Node"));
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handler.AddPara("WorkID", GetQueryString("WorkID"));
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handler.AddPara("FK_Flow", GetQueryString("FK_Flow"));
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handler.AddPara("KeyOfEn", GetQueryString("KeyOfEn"));
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handler.AddPara("imageData", newpic);
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var data = handler.DoMethodReturnString("HandWriting_Save");
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if (data.indexOf('err@') == 0) {
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alert(data);
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imagePath = "";
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return;
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}
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if (data.indexOf('info@') == 0) {
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imagePath = data.replace('info@', '');
|
|
|
parent.setHandWriteSrc(GetQueryString("KeyOfEn"), imagePath, 0);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
</script>
|
|
|
</body>
|
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|
</html>
|