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vue-fabric

v0.1.42

Published

fabric vue components

Downloads

96

Readme

vue-fabric

purestart vue-fabric.

Installation

npm install vue-fabric --save

依赖

下载customiseControls.min.js.和 fabric.min.js.到本地 static/js/文件下

本地项目 index.html 引入

<script type="text/javascript" src="./static/js/fabric.min.js"></script>
<script type="text/javascript" src="./static/js/customiseControls.min.js"></script>

Import

在main.js中
import 'vue-fabric/dist/vue-fabric.min.css';
import { Fabric } from 'vue-fabric';
Vue.use(Fabric);

使用

 <vue-fabric ref="canvas" :width="width" :height="height"></vue-fabric>

Usage

Props

| Name | Type | Default | Description | | ------ | ------ | ------- | ------------- | | id | String | "canvas"| id | | width | Number | 0 | canvas width | | height | Number | 0 | canvas height |

Function

方法调用 this.$refs.canvas.方法名(params)

createImage(url,options) 绘制图片

| params | Type | Description | | ------- | ------ | ------------------------------------------------------------------------------------------------------------------------ | | url | String | image url | | options | Object | id(唯一标识该元素,以下每个方法 options 参数都带 id),width,height,left,top,registeObjectEvent (Boolean 是否注册对象事件),evented 是否可被点击选中,selectable 是否禁止被选中...其它属性 |

createImageByImg(img,options) 绘制图片

| params | Type | Description | | ------- | ------ | ------------------------------------------------------------------------------------------------------------------------ | | img | Image对象 | new Image对象 | | options | Object | id(唯一标识该元素,以下每个方法 options 参数都带 id),width,height,left,top,registeObjectEvent (Boolean 是否注册对象事件),evented 是否可被点击选中,selectable 是否禁止被选中...其它属性 |

createTextbox(text,options) 绘制文本

| params | Type | Description | | ------- | ------ | ------------------------------------------ | | text | String | text content | | options | Object | width,left,top,fill(颜色),fontSize,id,fontFamily,strokeWidth,stroke,textAlign,textBackgroundColor,lineHeight,fontWeight,...其它属性|

createItext(text,options) 绘制可编辑文本(可换行显示文本)

| params | Type | Description | | ------- | ------ | ------------------------------------------ | | text | String | text content | | options | Object | width,left,top,fill(颜色),fontSize,id,editable(是否可编辑),fontFamily,fontSize,strokeWidth,stroke,textAlign,textBackgroundColor,lineHeight,fontWeight,...其它属性|

createRect(options) 绘制矩形

| options | Type | Description | | --------- | ------ | -------------- | | left | Number | left | | top | Number | top | | width | Number | Rect width | | height | Number | Rect height | | fillColor | String | Rect fillColor | | id | String | 唯一标识 id | | 其它属性兼容 | all | 兼容原生其它属性 |

freeDrawConfig(options) 开启/关闭自由绘制(画笔)

| options | Type | Description | | ------------- | ------- | --------------------------- | | isDrawingMode | Boolean | 是否开启自由绘制 true/false | | color | String | 绘制线颜色 | | drawWidth | Number | 绘制线宽 |

eraseDrawConfig(options) 开启自由绘制橡皮擦(只对当前绘制画布有效)

| options | Type | Description | | ------------- | ------- | --------------------------- | | color | String | 选填,擦除颜色默认白色 | | drawWidth | Number | 橡皮擦线宽 |

createLine(options) 绘制直线

| options | Type | Description | | ----------- | ------ | ------------------------ | | x,y,x1,y1 | Number | line points,直线两点坐标 | | fillColor | String | fillColor 填充颜色 | | strokeColor | String | strokeColor 绘制颜色 | | 其它属性兼容 | all | 兼容原生其它属性 |

drawDottedline(options) 绘制虚线

| options | Type | Description | | --------- | ------ | ----------------------------------------- | | x,y,x1,y1 | Number | line points,直线两点坐标 | | color | String | 绘制线颜色 | | drawWidth | Number | 绘制线宽 | | offset | Number | 默认 6,每隔 offset 个像素空 empty 个像素 | | empty | Number | 默认 3,每隔 offset 个像素空 empty 个像素 | | 其它属性兼容 | all | 兼容原生其它属性 |

drawArrowLine(options) 绘制箭头直线

| options | Type | Description | | --------- | ------ | ------------------------ | | x,y,x1,y1 | Number | line points,直线两点坐标 | | color | String | 绘制线颜色 | | drawWidth | Number | 绘制线宽 | | fillColor | Number | 默认透明,填充颜色 | | theta | Number | 默认 35,箭头角度大小 | | headlen | Number | 默认 35,箭头角度大小 | | 其它属性兼容 | all | 兼容原生其它属性 |

createTriangle(options) 绘制三角形

| options | Type | Description | | --------------- | ------ | ------------------- | | x,y,x1,y1,x2,y2 | Number | 三角形 3 点坐标位置 | | left,top | Number | position 位置 | | color | String | 绘制线颜色 | | fillColor | String | fillColor 填充颜色 | | drawWidth | Number | 绘制线宽 | | 其它属性兼容 | all | 兼容原生其它属性 |

createEqualTriangle(options) 绘制等边三角形

| options | Type | Description | | -------- | ------ | ------------------ | | left,top | Number | position 位置 | | fill | String | fillColor 填充颜色 | | width | Number | 三角形底边宽度 | | height | Number | 三角形高 | | 其它属性兼容 | all | 兼容原生其它属性 |

drawByPath(pathArray,options) 根据轨迹绘制图形

| params | Type | Description | | --------- | ------ | -------------------------------------------------------------------------------- | | pathArray | Array | 轨迹所在点数组,按顺序正时针或逆时针,如三角形 [[50, 50], [120, 120], [80, 160]] | | options | Object | left,top,strokeColor,strokeWidth,fillColor,...其它属性 |

createCircle(options) 绘制圆

| options | Type | Description | | -------- | ------ | ------------------ | | left,top | Number | position 位置 | | fill | String | fillColor 填充颜色 | | radius | Number | 圆形半径 | | 其它属性兼容 | all | 兼容原生其它属性 |

createEllipse(options) 绘制椭圆

| options | Type | Description | | ----------- | ------ | ---------------------------------- | | rx,ry | Number | rx , ry 椭圆两个长轴尺寸和短轴尺寸 | | left,top | Number | position 位置 | | fillColor | String | fillColor 填充颜色 | | strokeColor | String | strokeColor 绘制线颜色 | | angle | Number | angle 倾斜角度 | | 其它属性兼容 | all | 兼容原生其它属性 |

setRotate(angle) 旋转选中元素

| params | Type | Description | | ------ | ------ | ----------- | | angle | Number | 旋转角度 |

setSelection(flag) 设置画布是否可以框选

| params | Type | Description | | ------ | ------ | ----------- | | flag | Boolean | 画布是否可以框选 |

setBackgroundImage(options) 设置画布背景图片

| options | Type | Description | | ------ | ------ | ------------ | | imgUrl | String | 背景图片 Url | | angle | Number | 旋转角度 | | opacity | Number | 背景图片透明度 | | width | Number | 默认为canvas宽度 背景图片宽度 | | height | Number | 默认为canvas高度 背景图片高度 | | scaleX | Number | 水平缩放 | | scaleY | Number | 垂直缩放 | | crossOrigin | String | 可为'anonymous',加载跨域图片 |

renderAll() 重新渲染画布

setBackgroundColor(color) 设置画布背景颜色

| params | Type | Description | | ------ | ------ | ----------- | | color | String | 背景颜色 |

toggleMirror(options) 设置图片元素镜像翻转

| options | Type | Description | | ------- | ------ | ----------------------------------- | | flip | String | 可选值 X,Y 默认值 X , 镜像翻转 X,Y |

setCornerIcons(options) 自定义操作元素图片

| options | Type | Description | | --------------------- | ------ | ------------------------------------------------------------- | | size | Npmber | 图片大小 px | | borderColor | String | 图片边框颜色 | | cornerBackgroundColor | String | 设置背景颜色 | | cornerShape | String | 形状,默认'rect' ,可选'rect', 'circle' | | tl | String | top left 左上角元素图片地址(本地只能 static 下的图片) | | tr | String | top right 右上角元素图片地址(本地只能 static 下的图片) | | bl | String | bottom left 左下角元素图片地址(本地只能 static 下的图片) | | br | String | bottom right 右下角元素图片地址(本地只能 static 下的图片) | | ml | String | middle left 中间左边元素图片地址(本地只能 static 下的图片) | | mr | String | middle right 中间右边元素图片地址(本地只能 static 下的图片) | | mtr | String | middle top 顶部元素图片地址(本地只能 static 下的图片) |

toNextLayer() 设置当前选中画布到下一层

toLastLayer() 设置当前选中画布到上一层

toBottomLayer() 设置当前选中画布到底层

toTopLayer() 设置当前选中画布到顶层

discardActive() 取消选中

getObjects() 获取当前画布上的所有元素对象

clear() 清除当前画布上的所有元素对象

toDataUrl() 返回当前画布的 base64 图片

toJson() 返回当前画布的 json 对象

loadFromJSON(json,cb) 从 json 对象中加载画布数据

| params | Type | Description | | ------ | -------- | ---------------- | | json | Object | json 对象 | | cb | Function | 加载完成回调函数 |

toSvg() 返回当前画布的 svg 图片

removeCurrentObj() 删除当前选中对象

getEditObj() 返回当前选中对象,并不在画布上显示,用于编辑当前元素

setEditObj(obj) 设置添加对象到画布

deactivateOne(obj) 取消选中对象(框选的时候选中多个对象使用)

事件

 <vue-fabric ref="canvas" @selection:created="selected" :width="width" :height="height"></vue-fabric>

鼠标事件

| name | Type | Description | | -------------- | ----- | -------------- | | mouse:down | event | mouse down | | mouse:up | event | mouse up | | mouse:move | event | mouse move | | mouse:dblclick | event | mouse dblclick | | mouse:over | event | mouse over | | mouse:out | event | mouse out |

其它事件

| name | Type | Description | | ------------------------ | ----- | ---------------------------------------------- | | selection:created | event | 选中 canvas 元素对象,单选和多选都会触发此事件 | | selection:updated | event | selection updated | | selection:cleared | event | selection cleared | | before:selection:cleared | event | before selection cleared | | object:added | event | 当有元素被添加进来时候触发 | | object:removed | event | object removed | | object:modified | event | object modified | | object:rotating | event | object rotating | | object:scaling | event | object scaling | | object:moving | event | object moving |

Changelog

2018.08.26

v0.1.4 * 初始化组件库

2018.09.20

v0.1.8 * 新增 api 常用接口创建文档

2019.01.19---v0.1.9

  • 新增画板事件,鼠标事件、选中事件等
  • 新增绘制三角形
  • 新增绘制虚线
  • 新增画笔自由绘制
  • 新增绘制箭头
  • 新增取消选中方法

2019.01.31---v0.1.10

  • 修改绘制图片(createImage 方法)不能定位 top 的 BUG
  • 修改镜像翻转函数 toggleMirror ,新增参数 options ,X 翻转和 Y 翻转

2019.05.09---v0.1.20

  • fix webpack-dev-server 版本导致的 npm run dev fail
  • 新增方法 drawByPath 根据轨迹绘制形状图形

2020.03.02---v0.1.26

  • 新增属性id 修复一个页面使用多个vue-fabric没有渲染成功的问题

2020.04.15---v0.1.27

  • 修复id = "canvas"的情况下会报错的问题

2020.05.08---v0.1.28

  • 修复更新Mirror只有图片生效的问题

2020.07.07---v0.1.29

  • 新增优化图片无法被选中属性设置 evented 和 selectable 感谢 @jessieyyy
  • 新增取消单个选中的方法 deactivateOne(obj)
  • 修复image top 和 left 定位bug

2020.07.21---v0.1.37

  • 新增createImageByImg(img, options)方法 其中参数img是Image对象
  • 新增setSelection(flag) 设置画布是否可以框选