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DS7/DSWeb/Areas/MvcShipping/Views/Ocr/SelectRegion.aspx

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<%@ Page Language="C#" AutoEventWireup="true" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript" src="/Areas/Dispatch/Content/Dispatch/Scripts/jquery-3.3.1.min.js"></script>
<style>
.menu {
position: absolute;
top: 10px;
left: 10px;
background-color: #bcd2ef;
padding: 10px;
border-radius: 2px;
}
.menu li {
list-style-type: none;
}
.menu li:hover {
background-color: white;
cursor: pointer;
border-radius: 2px;
}
</style>
</head>
<body>
<button id="btnReOpen">重新上传</button>
<span style="position:absolute;right:30px;">
<label>缩放比例:</label>
<select id="selScale">
<option value="1.0">100%</option>
<option value="1.2">120%</option>
<option value="1.5" selected="selected">150%</option>
<option value="2.0">200%</option>
</select>
</span>
<div style="width: 100%; height: 100%; overflow: scroll;" id="divCanvas">
<canvas width="1200" height="1800" id="canvas_paint">您的浏览器不支持 HTML5 canvas 标签。
</canvas>
</div>
<ul id="ulMenu" class="menu">
<li data-name="SHIPPER">发货人</li>
<li data-name="CONSIGNEE">收货人</li>
<li data-name="NOTIFYPARTY">通知人</li>
<li data-name="PORTLOAD">装货港</li>
<li data-name="PORTDISCHARGE">卸货港</li>
<li data-name="DESTINATION">目的地</li>
<li data-name="VESSEL">船名</li>
<li data-name="VOYNO">航次</li>
<li data-name="ETD">开船日期</li>
<li data-name="YARD">场站</li>
<li data-name="SERVICE">运输条款</li>
<li data-name="MARKS">唛头</li>
<li data-name="HSCODE">HS编码</li>
<li data-name="DESCRIPTION">货物描述</li>
<li data-name="NOPKGS">件数包装</li>
<li data-name="MEASUREMENT">尺码</li>
<li data-name="GROSSWEIGHT">毛重</li>
<li data-name="REMARK">备注</li>
</ul>
<script>
var rectColor = "#ff0000";
var canvas = null;
var context = null;
var img = null;
var scale = 1.5;
var downPos = { x: -1, y: -1 };
var upPos = { x: -1, y: -1 };
var textContent;
var fileName = '<%=ViewData["FileName"]%>';
$(function () {
if (fileName == "null" || fileName.length == 0) {
alert("参数错误");
return;
}
scale = parseFloat($("#selScale").val());
$("#selScale").on('change', function () {
scale = parseFloat($("#selScale").val());
reloadImg();
});
canvas = document.getElementById("canvas_paint");
context = canvas.getContext("2d");
canvas.addEventListener('mousedown', function (evt) {
downPos = { x: -1, y: -1 };
if (evt.button == 0) {
downPos = getMousePos(canvas, evt);
}
}, false);
canvas.addEventListener('mousemove', function (evt) {
if (downPos.x != -1 && downPos.y != -1) {
upPos = getMousePos(canvas, evt);
context.clearRect(0, 0, canvas.width, canvas.height);
context.drawImage(img, 0, 0);
context.beginPath();
context.strokeStyle = rectColor;
context.rect(downPos.x, downPos.y, upPos.x - downPos.x, upPos.y - downPos.y);
context.closePath();
context.stroke();
}
}, false);
canvas.addEventListener('mouseup', function (evt) {
if (evt.button == 0) {
upPos = getMousePos(canvas, evt);
context.clearRect(0, 0, canvas.width, canvas.height);
context.drawImage(img, 0, 0);
if (upPos.x != downPos.x || upPos.y != downPos.y) {
context.beginPath();
context.strokeStyle = rectColor;
var w = upPos.x - downPos.x;
var h = upPos.y - downPos.y;
context.rect(downPos.x, downPos.y, w, h);
context.closePath();
context.stroke();
$.ajax({
url: '/MvcShipping/Ocr/GetRegionText',
method: 'POST',
data: { fileName: fileName, x: parseInt(downPos.x), y: parseInt(downPos.y), w: parseInt(w), h: parseInt(h), scale: scale },
success: function (data) {
//alert(data);
if (data.length > 0) {
textContent = data;
var mX = evt.pageX - 65;
var mY = evt.pageY;
if (img.height - mY < 230) {
mY -= 230;
}
$("#ulMenu").css("left", mX);
$("#ulMenu").css("top", mY);
$("#ulMenu").show();
}
}
})
}
}
downPos = { x: -1, y: -1 };
upPos = { x: -1, y: -1 };
}, false);
canvas.oncontextmenu = function (event) {
return false;
};
reloadImg();
$("#btnReOpen").click(function () {
location.href = "/MvcShipping/Ocr/UpOcrAuto";
});
//菜单
$("#ulMenu").hide();
$("#ulMenu").on('click', 'li', function () {
var name = $(this).data("name");
var tag = "textarea";
if (name == "PORTLOAD"
|| name == "PORTDISCHARGE"
|| name == "DESTINATION"
|| name == "VESSEL"
|| name == "VOYNO"|| name == "ETD"|| name == "YARD") {
tag = "input";
}
var eleHtml = $(window.parent.document).find(tag + "[name='" + name + "']:first");
if (name == "PORTLOAD"
|| name == "PORTDISCHARGE"
|| name == "DESTINATION"
|| name == "NOPKGS"
|| name == "HSCODE"
|| name == "MEASUREMENT"
|| name == "GROSSWEIGHT"
|| name == "VESSEL"
|| name == "VOYNO"
|| name == "YARD"
|| name == "ETD"
|| name == "SERVICE") {
eleHtml.val(textContent);
} else {
eleHtml.val(eleHtml.val() + textContent);
}
$("#ulMenu").hide();
var clickLi = $(this);
clickLi.remove();
$("#ulMenu").append(clickLi);
});
document.addEventListener('mouseup', function (evt) {
$("#ulMenu").hide();
}, false);
});
function reloadImg() {
img = new Image()
img.src = "/MvcShipping/Ocr/GetCanvasImage?fileName=" + fileName + "&scale=" + scale.toFixed(1)
img.onload = function () {
canvas.width = img.width;
canvas.height = img.height;
context.clearRect(0, 0, canvas.width, canvas.height);
context.drawImage(img, 0, 0);
var btnHeight = $("#btnReOpen").height();
$("#divCanvas").css({ height: window.innerHeight - btnHeight - 22 });
}
}
function getMousePos(canvas, evt) {
var rect = canvas.getBoundingClientRect();
return {
x: evt.clientX - rect.left,
y: evt.clientY - rect.top
};
}
</script>
</body>
</html>