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OpenHarmony多功能手写板

介绍

基于openharmony的多功能手写板

背景

现在的电子设备太普及,用笔的频率大大降低,导致现在很多人 提笔忘字、写字“丑 ”、错字、用法不当、频频出现。文字是我国传统文化最为重要悠久的积淀,包含前人无数智慧和经验,我们不应舍弃。于是,我开发多功能手写板,并且实现了练字功能。多功能手写板的存在,可以告别纸张字帖,实现字帖自由,能在设备上临摹。很多人笔画不规范,写字会有倒笔顺的现象,这直接导致书写不美观,针对这个问题,实现了笔顺纠错,评分功能。

符合的联合国17项可持续发展目标

4.优质教育

设备

dayu200开发板

功能模块

1. 练字

模拟写字,通过速度实现画笔粗细,从而模拟写字效果。笔顺检测,通过提前设置写字位置,实现用户笔顺检测。评分功能,当用户写完时,点击保存,系统会根据书写的准确性进行评分。

image-20220815223059939

2. 绘画

用户可以选择不同粗细的画笔,选择不同颜色的画笔,进行绘图。还设置了一些功能键,方便用户使用,如:清空、橡皮擦、存储、回退、前进。

image-20220815223116010

3.笔记

传入富文本,通过richtextAPI,解析富文本,渲染到屏幕中,用户可以通过点击右侧的小图标,进入笔记功能,可以对文章进行批注。

image-20220815223204860

视频链接

【基于OpenHarmony的多功能手写板】 https://www.bilibili.com/video/BV1da411R76G?share_source=copy_web&vd_source=6ffaa28382e910e057051b0446101f78

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