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hbdrawingboarddemo's Issues

橡皮擦

橡皮擦频繁创建图片上下文,造成cpu负担过重

一个奇怪的bug

你好,我发现在项目中如果加上
#define MAS_SHORTHAND
#import <Masonry.h>
这两行代码之后就崩溃,这到底是什么原因呢?ios苦手对这个无从入手。

橡皮擦功能的CPU占用问题

我看着性能检测,在画的过程中没什么问题,我一切到橡皮擦功能,开始画时,CPU占用极其的高了,我6Plus的机器占用是90%+,请教一下作者哈,共同学习。

Bug

卡顿及多次切换会导致按键无效的情况发生

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