This PR fixes issue #50. In addition the total height is now correctly calculated using the "retina display" un-scaled canvas height.
The sample document's annotation has been updated to cover the whole document so misalignment will be easier to spot in future.
This PR fixes issue #50. In addition the total height is now correctly calculated using the "retina display" un-scaled canvas height. The sample document's annotation has been updated to cover the whole document so misalignment will be easier to spot in future.