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Matrix常用操作速查表

方法类别 相关API 摘要
基本方法 equals hashCode toString toShortString 比较、 获取哈希值、 转换为字符串
数值操作 set reset setValues getValues 设置、 重置、 设置数值、 获取数值
数值计算 mapPoints mapRadius mapRect mapVectors 计算变换后的数值
设置(set) setConcat setRotate setScale setSkew setTranslate 设置变换
前乘(pre) preConcat preRotate preScale preSkew preTranslate 前乘变换
后乘(post) postConcat postRotate postScale postSkew postTranslate 后乘变换
特殊方法 setPolyToPoly setRectToRect rectStaysRect setSinCos 一些特殊操作
矩阵相关 invert isAffine(API21) isIdentity 求逆矩阵、 是否为仿射矩阵、 是否为单位矩阵 ...

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