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inmark-c

v0.0.3

Published

Image mark

Downloads

2

Readme

快速上手

构建图片标注

CDN 引入 inmark


<script type="text/javascript" src="http://unpkg.com/inmark/dist/inmark.min.js"></script>

NPM 安装

推荐使用 npm 来安装,享受生态圈和工具带来的便利,更好地和 webpack 配合使用,当然,我们也推荐使用 ES2015。

$ npm install inmark --save

文档说明

通过zrender库封装的支持图片标注js

图片

<!-- 第一步,html页面增加一个dom标签,附上属性id -->
<div class="imageAnnotate" id="inmarkDOM"></div>

<style>
.imageAnnotate{
   width:100%;
   height:100%;
}
</style>
<!-- 生成实例 -->
let image = new inMark.Image({
    id: 'inmarkDOM',
    mode: 'original', //original or auto
    imgUrl: 'http://url',
    event: {
        onLoadComplete: loadComplete,
        onImageDrag: imageDrag,
        onImageDragEnd: onImageDragEnd_image,
    }
});

let zr = image.getZrender();//返回zrender实例
let group = image.getGroup();//返回group,zrender.group
let img = image.getImage();//返回图片实例

配置属性

id:字符串类型,dom唯一id,用来生成canvs

mode:字符串类型,设置渲染模式, 默认为‘auto’,进行图片大小等比例缩放适应canvas容器, ‘original’不进行图片缩放,加载原图片大小。 ‘auto-rotate’ 旋转模式,支持图片旋转

imgUrl:字符串类型,设置图片的url访问地址,可以是http,https,cdn方式。如果需要图片强制刷新,可在图片url后增加时间戳

event:对象类型,参见回调方法

回调方法

onLoadComplete:图片加载完毕,执行渲染矩形等图形

onImageDrag:图片拖拽开始

onImageDragEnd:图片拖拽结束

生命周期

1.清除所有对象和画布。

image.clear()

2.移除自身。当不再需要使用该实例时,调用该方法以释放内存。

image.dispose();

实例方法

  1. 旋转
设置旋转角度
<!-- 顺时针旋转90度 -->
image.rotate(90);

<!-- 逆时针旋转-0.2度 -->
image.rotate(-0.2);
得到旋转返回对象
let obj = image.getRotate();//返回对象

obj = {
    degrees: 0//度
    radians: 0//弧度
}
旋转重置,恢复初始位置
image.resetRotate();
  1. 放大缩小
<!-- 放大 -->
image.zoomIn();
<!-- 缩小 -->
image.zoomOut();

设置css样式

<!-- 图片背景填色 -->
canvas:nth-child(1){
    background:red;
}

矩形

<!-- 生成实例 -->
let polygon = new inMark.Rect({
    data: data,
    isOpen: false,
    event: {
        onCreate: onCreate,
        onImageDrag: onImageDrag,
        onImageDragEnd: onImageDragEnd,
        onCreateComplete:onCreateComplete,
        onRectDrag: onRectDrag,
        onRectDragComplete:onRectDragComplete,
        onEditNodeDrag:onEditNodeDrag,
        onEditNodeDragComplete:onEditNodeDragComplete,
        onSelected:onSelected,
        unSelect:unSelect
    }
});

配置属性

data:数组类型,跟setData实例方法数据一样,

isOpen:布尔类型,默认false为初始不开启绘画矩形,true为初始开启绘画矩形

event:对象类型,参见回调方法

回调方法

onCreate:开始拖拽创建矩形,拖拽结束前

onCreateComplete:拖拽结束,新增矩形创建完毕

onImageDrag:图片拖拽开始

onImageDragEnd:图片拖拽结束

onRectDrag:矩形拖动开始

onRectDragComplete:矩形拖动结束

onEditNodeDrag:矩形编辑开始

onEditNodeDragComplete:矩形编辑结束

onSelected:选中某个矩形

实例方法

  1. 拖拽
this.polygon.setDrag(true);//开启拖拽

this.polygon.setDrag(false);//关闭拖拽
  1. 设置标注数据setData
/** 数组类型
* let markNoteList = [{
    coordinates: [[558.3230798626577,41.847382529992984],[664.28253473271,41.847382529992984],[664.28253473271,70.51483886948435],[558.3230798626577,70.51483886948435]],//左上角,右上角,左下角,右下角坐标,坐标x,y轴像素值
    id: "06216",//唯一id
    notes: "Nike Hong Kong Limited",//标注描述字符串
    type: "Rectangle" //类型为矩形
}]
**/ 
polygon.setData(markNoteList);
  1. 开启关闭矩形绘画
polygon.open();//开启矩形绘画

polygon.close();//关闭矩形绘画
  1. 放大缩小,继承自Image实例
<!-- 放大 -->
polygon.zoomIn();
<!-- 缩小 -->
polygon.zoomOut();
  1. 点击选中某个标注,删除当前标记,返回删除的对象
polygon.removeAnnotation();
  1. 删除指定对象标注
/* 对象类型
*item = {
    coordinates: [[558.3230798626577,41.847382529992984],[664.28253473271,41.847382529992984],[664.28253473271,70.51483886948435],[558.3230798626577,70.51483886948435]],//左上角,右上角,左下角,右下角坐标,坐标x,y轴像素值
    id: "06216",//唯一id
    notes: "Nike Hong Kong Limited",//标注描述字符串
    type: "Rectangle" //类型为矩形
}
*/
polygon.removeSub(item);
  1. 删除所有标注
polygon.removeAll();
  1. 定位标注到canvas中心
/* 对象类型
*item = {
    coordinates: [[558.3230798626577,41.847382529992984],[664.28253473271,41.847382529992984],[664.28253473271,70.51483886948435],[558.3230798626577,70.51483886948435]],//左上角,右上角,左下角,右下角坐标,坐标x,y轴像素值
    id: "06216",//唯一id
    notes: "Nike Hong Kong Limited",//标注描述字符串
    type: "Rectangle" //类型为矩形
}
*/
polygon.setPosition(item);
  1. 选中标注并高亮
/* 对象类型
*item = {
    coordinates: [[558.3230798626577,41.847382529992984],[664.28253473271,41.847382529992984],[664.28253473271,70.51483886948435],[558.3230798626577,70.51483886948435]],//左上角,右上角,左下角,右下角坐标,坐标x,y轴像素值
    id: "06216",//唯一id
    notes: "Nike Hong Kong Limited",//标注描述字符串
    type: "Rectangle" //类型为矩形
}
*/
polygon.selected(item);
  1. getData返回添加,编辑,拖拽标注框后的标注数据
polygon.getData();