Sometimes, you don't want those 45° corners in your nice, clean zones.
This adds an additional mode that can be selected, cycling through
free-angle, 45° angle and 90° angle constraints
Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo. Avoids needing to
repeatly update.
Also updates AUTHORS.txt from current repo with contributor names
As long as the arc angle stays below <60°, it will automatically choose between
clockwise and counter clockwise. This allows the user to choose the direction
with a simple mouse movement.
This introduces a new util function in geometry_utils which snaps a vector
to axes or 45 degree lines. This can be used whenever you want to
snap a vector to these angles, but still want it to stay on a grid.
This snapping is used for the dimension tool and the ruler tool.
This is substantially simpler for two-point tools that the method
used by the line tool, which uses DIRECTION_45.
Fixes: lp:1780826
https://bugs.launchpad.net/kicad/+bug/1780826
This adds the microwave tools to GAL in Pcbnew as a new tool:
MICROWAVE_TOOL.
Some new preview items are introduced to support this:
* TWO_POINT_GEOM_MANAGER for managing construction of two-point
geometries, such as that used to construct the inductor.
* CENTRELINE_RECT_ITEM a preview item to draw ractangle with a given
aspect ratio along a line (specified using a TWO_POINT_GEOM_MANAGER)
PCB_TOOL gets a generic event loops which should be useful for more
than just microwave tools:
* doInteractiveItemPlacement() - handles event loops that wait for a
click, create an item on click and then allow moving it
around/flipping, etc.
Fixes: lp:1531323
* https://bugs.launchpad.net/kicad/+bug/1531323
