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@hamster-note/painting-board

v0.6.0

Published

Full-bleed PaintingBoard component built on @hamster-note/painting with virtual-paper pan/zoom enabled by default

Downloads

73

Readme

@hamster-note/painting-board

PaintingBoard 是基于 @hamster-note/paintingDrawingSurface 封装的开箱即用画板组件:

  • 自带画布漫游:默认开启 @hamster-note/virtual-paper,支持触控板滚动平移、Ctrl/⌘+滚轮缩放、双指平移/缩放;
  • 撑满父组件:内部 wrapper 为 flex: 1 + 100% x 100%,画板自动填满父容器;
  • 完全透传:所有 DrawingSurface 的 props 与 ref handle 原样可用。

安装

yarn add @hamster-note/painting-board
# peer: react >= 18, react-native >= 0.74 (Web 环境使用 react-native-web)

使用

import { View } from 'react-native';
import { PaintingBoard } from '@hamster-note/painting-board';

export function Board() {
  return (
    // 父组件必须有确定尺寸或 flex 布局
    <View style={{ flex: 1 }}>
      <PaintingBoard />
    </View>
  );
}

Web(react-native-web)下请确保根节点有高度:

html,
body,
#root {
  height: 100%;
  margin: 0;
}

默认的画布漫游交互

| 交互 | 说明 | | -------------------- | ---------------------- | | trackpadScrollPan | 触控板双指滚动平移画布 | | mouseWheelCtrlZoom | Ctrl/⌘ + 滚轮缩放 | | touchTwoFingerPan | 触屏双指平移 | | touchTwoFingerZoom | 触屏双指捏合缩放 |

刻意启用 mouseDragPantouchSingleFingerPan:鼠标左键拖拽与单指触摸仍然用于画画。

缩放范围默认 minScale: 0.25 ~ maxScale: 8

关闭或自定义 virtual-paper

// 完全关闭(行为等同裸 DrawingSurface 默认状态)
<PaintingBoard virtualPaper={false} />

// 在默认配置基础上浅合并覆盖
<PaintingBoard virtualPaper={{ minScale: 0.5, maxScale: 4 }} />

// 临时关闭
<PaintingBoard virtualPaper={{ enabled: false }} />

ref handle

ref 透传 DrawingSurfaceHandle

const ref = useRef<PaintingBoardHandle>(null);
ref.current?.getHostSize();
ref.current?.clearSelection();

版本策略

本包与 @hamster-note/painting 采用 lockstep 版本:两者版本号始终一致,推送同一个 vX.Y.Z tag 时由 CI 一起发布。