Release v2.1.4

V2.1.4

use miniSDKVersion 19

Release v2.1.1

1. OpenCv upgrade to the latest version, AND support x86, x86_64.
2. Optimize nested edge detection using machine learning algorithms.

Release v1.2.5

bug fix

Release v1.2.4

1. support arm64-v8a
2. update compileSdkVersion and targetSdkVersion to 28

v1.2.3

release 1.2.3

v1.2.2

release 1.2.2

v1.2.1

remove abiFilters armeabi mips

Optimized cropping algorithm

v1.2.0

update 1.2.0

limit drag

拖动锚点限制为凸四边形

fix drag

#21