rowcol.h File Reference

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Macros
#define	VXRES(gs)
#define	VYRES(gs)
#define	VROWS(gs)
#define	VCOLS(gs)
#define	DRC2OFF(gs, drow, dcol)
#define	Y2DROW(gs, py)
#define	X2DCOL(gs, px)
#define	XY2OFF(gs, px, py)
#define	Y2VROW(gs, py)
#define	X2VCOL(gs, px)
#define	VROW2DROW(gs, vrow)
#define	VCOL2DCOL(gs, vcol)
#define	DROW2Y(gs, drow)
#define	DCOL2X(gs, dcol)
#define	VROW2Y(gs, vrow)
#define	VCOL2X(gs, vcol)

Macro Definition Documentation

DCOL2X

#define DCOL2X	(		gs,
			dcol )

Value:

((dcol) * gs->xres)

Definition at line 36 of file rowcol.h.

Referenced by get_diag_intersects().

DRC2OFF

#define DRC2OFF	(		gs,
			drow,
			dcol )

Value:

(int)((dcol) + (drow) * gs->cols)

Definition at line 17 of file rowcol.h.

Referenced by calc_norm(), get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), GS_get_cat_at_xy(), GS_get_norm_at_xy(), GS_get_val_at_xy(), and viewcell_tri_interp().

DROW2Y

#define DROW2Y	(		gs,
			drow )

Value:

(gs->yrange - ((drow) * gs->yres))

Definition at line 35 of file rowcol.h.

Referenced by get_diag_intersects().

VCOL2DCOL

#define VCOL2DCOL	(		gs,
			vcol )

Value:

(int)(gs->x_mod * (vcol))

Definition at line 32 of file rowcol.h.

Referenced by GS_get_cat_at_xy(), GS_get_norm_at_xy(), GS_get_val_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().

VCOL2X

#define VCOL2X	(		gs,
			vcol )

Value:

((vcol) * gs->xres * gs->x_mod)

Definition at line 40 of file rowcol.h.

Referenced by get_diag_intersects(), get_vert_intersects(), gs_clip_segment(), gs_point_in_region(), gs_point_is_masked(), in_vregion(), seg_intersect_vregion(), and viewcell_tri_interp().

VCOLS

#define VCOLS

(

gs

)

Value:

(int)((gs->cols - 1) / gs->x_mod)

Definition at line 14 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), gs_calc_normals(), gs_clip_segment(), gs_point_in_region(), gs_point_is_masked(), gsd_coarse_surf_map(), gsd_display_fringe(), gsd_fringe_horiz_line(), gsd_fringe_horiz_line2(), gsd_fringe_horiz_poly(), gsd_norm_arrows(), gsd_surf_const(), gsd_surf_map(), gsd_surf_map_old(), in_vregion(), seg_intersect_vregion(), and viewcell_tri_interp().

VROW2DROW

#define VROW2DROW	(		gs,
			vrow )

Value:

(int)(gs->y_mod * (vrow))

Definition at line 31 of file rowcol.h.

Referenced by GS_get_cat_at_xy(), GS_get_norm_at_xy(), GS_get_val_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().

VROW2Y

#define VROW2Y	(		gs,
			vrow )

Value:

(gs->yrange - ((vrow) * gs->yres * gs->y_mod))

Definition at line 39 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), gs_clip_segment(), gs_point_in_region(), gs_point_is_masked(), gsd_draw_cplane_fence(), in_vregion(), seg_intersect_vregion(), and viewcell_tri_interp().

VROWS

#define VROWS

(

gs

)

Value:

(int)((gs->rows - 1) / gs->y_mod)

Definition at line 13 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), gs_calc_normals(), gs_clip_segment(), gs_point_in_region(), gs_point_is_masked(), gsd_coarse_surf_map(), gsd_display_fringe(), gsd_fringe_vert_line(), gsd_fringe_vert_poly(), gsd_norm_arrows(), gsd_surf_const(), gsd_surf_map(), gsd_surf_map_old(), in_vregion(), seg_intersect_vregion(), and viewcell_tri_interp().

VXRES

#define VXRES

(

gs

)

Value:

(gs->x_mod * gs->xres)

Definition at line 9 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), GS_draw_flowline_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().

VYRES

#define VYRES

(

gs

)

Value:

(gs->y_mod * gs->yres)

Definition at line 10 of file rowcol.h.

Referenced by get_diag_intersects(), get_vert_intersects(), GS_draw_flowline_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().

X2DCOL

#define X2DCOL	(		gs,
			px )

Value:

(int)((px) / gs->xres)

Definition at line 21 of file rowcol.h.

X2VCOL

#define X2VCOL	(		gs,
			px )

Value:

(int)((px) / (gs->xres * gs->x_mod))

Definition at line 28 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), GS_get_cat_at_xy(), GS_get_norm_at_xy(), GS_get_val_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().

XY2OFF

#define XY2OFF	(		gs,
			px,
			py )

Value:

(int)DRC2OFF(gs, Y2DROW(gs, py), X2DCOL(gs, px))

Definition at line 24 of file rowcol.h.

Referenced by gsd_triangulated_wall().

Y2DROW

#define Y2DROW	(		gs,
			py )

Value:

(int)((gs->yrange - (py)) / gs->yres)

Definition at line 20 of file rowcol.h.

Y2VROW

#define Y2VROW	(		gs,
			py )

Value:

(int)((gs->yrange - (py)) / (gs->yres * gs->y_mod))

Definition at line 27 of file rowcol.h.

Referenced by get_diag_intersects(), get_horz_intersects(), get_vert_intersects(), GS_get_cat_at_xy(), GS_get_norm_at_xy(), GS_get_val_at_xy(), gs_point_is_masked(), and viewcell_tri_interp().