Fixed a rounding error when aligning rectangles to user space. Added related unit tests. Fixed issue 489.
Fixed the plot area to draw rounded corners correctly. Fixed issue 510.
Fixed a bug in the legend column width calculations. Fixed issue 517.
Fixed a static analyzer warning.
Cleaned up pointer syntax for clarity.
Removed some unused #import statements.
Fixed some static analyzer warnings.
Fixed an iOS text drawing issue. Fixed issue 516.
Fixed recursive rendering of hidden layers. Fixed issue 511.