Liuhe Screenshot Ruler app for iPhone and iPad

As an iOS developer, I always find simple applications to check the position of objects / elements in images or screenshots. Now its easy to find the location and size of any UI element, especially the X / Y position and width / height / size.

This application was made specifically for the phones Quality Assurance Engineer (making life easier for QA engineers). They can quickly review the mobile app user interface in minutes with more perfect pixel and pixel size.
--Features--
- Up, down, left and right 4-way dynamic scale, you can also adjust the position of the ruler as needed, long press the ruler can have more options.
- Free scale, you can use it to rotate to see the angle.
- a straight line box.
- RGB color values can be displayed by long pressing and moving anywhere in the picture.
- Support multi-function trim picture.
- Support for changing the aspect ratio.
- Support screenshot adjustment.
- Support for changing the picture device ratio value.
- Double click, pan, pinch gestures to zoom and move photos.