Plot widget grid options

These options can be ORed together to specify the behaviour of a plot widget grid when adjusting it via wtk_plot_set_grid.

grid orientation options.
For use with the option parameter of wtk_plot_set_grid
#define	WTK_PLOT_GRID_VERTICAL   (1 << 0)
	Draw horizontal grid lines along the vertical axis. More...
#define	WTK_PLOT_GRID_HORIZONTAL   (1 << 1)
	Draw vertical grid lines along the horizontal axis. More...

axis orientation options.
For use with the option parameter of wtk_plot_set_grid
#define	WTK_PLOT_TICKS_VERTICAL   (1 << 2)
	Draw tick marks along the vertical axis. More...
#define	WTK_PLOT_TICKS_HORIZONTAL   (1 << 3)
	Draw tick marks along the horizontal axis. More...

zero line options.
For use with the option parameter of wtk_plot_set_grid
#define	WTK_PLOT_ZERO   (1 << 4)
	Draw the zero line. More...

#define WTK_PLOT_GRID_HORIZONTAL   (1 << 1)

Draw vertical grid lines along the horizontal axis.

Referenced by wtk_plot_grid_draw().

#define WTK_PLOT_GRID_VERTICAL   (1 << 0)

Draw horizontal grid lines along the vertical axis.

Referenced by wtk_plot_grid_draw().

#define WTK_PLOT_TICKS_HORIZONTAL   (1 << 3)

Draw tick marks along the horizontal axis.

Referenced by wtk_plot_grid_draw().

#define WTK_PLOT_TICKS_VERTICAL   (1 << 2)

Draw tick marks along the vertical axis.

Referenced by wtk_plot_grid_draw().

#define WTK_PLOT_ZERO   (1 << 4)

Draw the zero line.

Referenced by wtk_plot_grid_draw().