Returns device-coordinates and plot-region
Value
A list with elements
dev.x1: device left x-coordinate
dev.x2: device right x-coordinate
dev.y1: device bottom y-coordinate
dev.y2: device top y-coordinate
fig.x1: plot left x-coordinate
fig.x2: plot right x-coordinate
fig.y1: plot bottom y-coordinate
fig.y2: plot top y-coordinate
