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@kcuf/canvas-marking

v0.4.4

Published

A canvas marking library.

Downloads

360

Readme

@kcuf/canvas-marking

基于 <canvas> 的图片标注。

How to Use

  1. 准备一个 的容器节点 dom
  2. new CanvasMarking(dom, options)

CanvasMarking 会在容器内部创建一个绝对定位并占满容器的 DOM,已实现大小自适应,因此会为容器添加样式 position: relative; overflow: hidden;

之所以内部使用绝对定位,而非采用 height: 100% 是因为后者只有在容器有可计算的高度时(即在样式中明确定义 height)才能够生效。

推荐开发者为容器使用 Flex 布局 flex: 1,使其能够占满某个区域并自适应,除此之外,尽量不要附加其他样式。

参考

  • https://github.com/wanglin2/markjs