mac partial capture fix

Fixed mac partial window capturing

Thanks to hardillb for this #35

14.0.5

14.0.5

14.0.4

14.0.4

14.0.3

14.0.3

bug fixes

Fixed mac partial screen capture.
Fixed directx partial screen capture
Placed check into the library to assert on multiple instances running at the same time.

added scaling factor to monitors

The monitor now contains Scale

This will reflect the current scaling of the monitor.
If Scale == 1.0f there is no scaling
if Scale == 2.0f the image is twice as large as it appears to the user.

Cleaned up the public api

cmake update and public api cleanup

Fixed several bugs with cmake builds
Fixed the public api to support windows dll builds

Bug fix

issue #31 bug fix

bug fix

Fixed bug in GetWindows function on the windows platform buffer overrun.

Window capture Done

Window capturing works for all platforms now