/*
 *                            COPYRIGHT
 *
 *  pcb-rnd, interactive printed circuit board design
 *  Copyright (C) 2018,2020 Tibor 'Igor2' Palinkas
 *
 *  This module, diag, was written and is Copyright (C) 2016 by Tibor Palinkas
 *  this module is also subject to the GNU GPL as described below
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  Contact:
 *    Project page: http://repo.hu/projects/pcb-rnd
 *    lead developer: http://repo.hu/projects/pcb-rnd/contact.html
 *    mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
 */


TODO("implement text intersections; same problem as with padstacks: can't mark a whole test as found")
rnd_bool pcb_isc_text_line(const pcb_find_t *ctx, pcb_text_t *a, pcb_line_t *b) { return rnd_false; }
rnd_bool pcb_isc_text_text(const pcb_find_t *ctx, pcb_text_t *a, pcb_text_t *b) { return rnd_false; }
rnd_bool pcb_isc_text_poly(const pcb_find_t *ctx, pcb_text_t *a, pcb_poly_t *b) { return rnd_false; }
rnd_bool pcb_isc_text_arc(const pcb_find_t *ctx, pcb_text_t *a, pcb_arc_t *b) { return rnd_false; }
rnd_bool pcb_isc_text_pstk(const pcb_find_t *ctx, pcb_text_t *a, pcb_pstk_t *b, rnd_bool anylayer) { return rnd_false; }

rnd_bool pcb_intersect_obj_obj(const pcb_find_t *ctx, pcb_any_obj_t *a, pcb_any_obj_t *b)
{
	/* produce the clopped version for polygons to compare */
	if ((a->type == PCB_OBJ_POLY) && (((pcb_poly_t *)a)->Clipped == NULL))
		pcb_poly_init_clip(a->parent.layer->parent.data, a->parent.layer, (pcb_poly_t *)a);
	if ((b->type == PCB_OBJ_POLY) && (((pcb_poly_t *)b)->Clipped == NULL))
		pcb_poly_init_clip(b->parent.layer->parent.data, b->parent.layer, (pcb_poly_t *)b);

	/* NOTE: for the time being GFX is not intersecting with anything because
	   graphics can't contribute to galvanic connections */

	switch(a->type) {
		case PCB_OBJ_VOID: return rnd_false;
		case PCB_OBJ_LINE:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_line_line(ctx, (pcb_line_t *)a, (pcb_line_t *)b);
				case PCB_OBJ_TEXT: return pcb_isc_text_line(ctx, (pcb_text_t *)b, (pcb_line_t *)a);
				case PCB_OBJ_POLY: return pcb_isc_line_poly(ctx, (pcb_line_t *)a, (pcb_poly_t *)b);
				case PCB_OBJ_ARC:  return pcb_isc_line_arc(ctx, (pcb_line_t *)a, (pcb_arc_t *)b);
				case PCB_OBJ_PSTK: return pcb_isc_pstk_line(ctx, (pcb_pstk_t *)b, (pcb_line_t *)a, ctx->pstk_anylayer);
				case PCB_OBJ_RAT:  return pcb_isc_rat_line(ctx, (pcb_rat_t *)b, (pcb_line_t *)a);
				default:;
			}
			break;
		case PCB_OBJ_TEXT:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_text_line(ctx, (pcb_text_t *)a, (pcb_line_t *)b);
				case PCB_OBJ_TEXT: return pcb_isc_text_text(ctx, (pcb_text_t *)a, (pcb_text_t *)b);
				case PCB_OBJ_POLY: return pcb_isc_text_poly(ctx, (pcb_text_t *)a, (pcb_poly_t *)b);
				case PCB_OBJ_ARC:  return pcb_isc_text_arc(ctx, (pcb_text_t *)a, (pcb_arc_t *)b);
				case PCB_OBJ_PSTK: return pcb_isc_text_pstk(ctx, (pcb_text_t *)a, (pcb_pstk_t *)b, ctx->pstk_anylayer);
				case PCB_OBJ_RAT:  return rnd_false; /* text is invisible to find for now */
				default:;
			}
			break;

		case PCB_OBJ_POLY:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_line_poly(ctx, (pcb_line_t *)b, (pcb_poly_t *)a);
				case PCB_OBJ_TEXT: return pcb_isc_text_poly(ctx, (pcb_text_t *)b, (pcb_poly_t *)a);
				case PCB_OBJ_POLY: return pcb_isc_poly_poly(ctx, (pcb_poly_t *)a, (pcb_poly_t *)b);
				case PCB_OBJ_ARC:  return pcb_isc_arc_poly(ctx, (pcb_arc_t *)b, (pcb_poly_t *)a);
				case PCB_OBJ_PSTK: return pcb_isc_pstk_poly(ctx, (pcb_pstk_t *)b, (pcb_poly_t *)a, ctx->pstk_anylayer);
				case PCB_OBJ_RAT:  return pcb_isc_rat_poly(ctx, (pcb_rat_t *)b, (pcb_poly_t *)a);
				default:;
			}
			break;
		case PCB_OBJ_ARC:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_line_arc(ctx, (pcb_line_t *)b, (pcb_arc_t *)a);
				case PCB_OBJ_TEXT: return pcb_isc_text_arc(ctx, (pcb_text_t *)b, (pcb_arc_t *)a);
				case PCB_OBJ_POLY: return pcb_isc_arc_poly(ctx, (pcb_arc_t *)a, (pcb_poly_t *)b);
				case PCB_OBJ_ARC:  return pcb_isc_arc_arc(ctx, (pcb_arc_t *)a, (pcb_arc_t *)b);
				case PCB_OBJ_PSTK: return pcb_isc_pstk_arc(ctx, (pcb_pstk_t *)b, (pcb_arc_t *)a, ctx->pstk_anylayer);
				case PCB_OBJ_RAT:  return pcb_isc_rat_arc(ctx, (pcb_rat_t *)b, (pcb_arc_t *)a);
				default:;
			}
			break;
		case PCB_OBJ_GFX:
			return rnd_false; /* pixmap never intersects */
		case PCB_OBJ_PSTK:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_pstk_line(ctx, (pcb_pstk_t *)a, (pcb_line_t *)b, ctx->pstk_anylayer);
				case PCB_OBJ_TEXT: return pcb_isc_text_pstk(ctx, (pcb_text_t *)b, (pcb_pstk_t *)a, ctx->pstk_anylayer);
				case PCB_OBJ_POLY: return pcb_isc_pstk_poly(ctx, (pcb_pstk_t *)a, (pcb_poly_t *)b, ctx->pstk_anylayer);
				case PCB_OBJ_ARC:  return pcb_isc_pstk_arc(ctx, (pcb_pstk_t *)a, (pcb_arc_t *)b, ctx->pstk_anylayer);
				case PCB_OBJ_PSTK: return pcb_isc_pstk_pstk(ctx, (pcb_pstk_t *)a, (pcb_pstk_t *)b, ctx->pstk_anylayer);
				case PCB_OBJ_RAT:  return pcb_isc_pstk_rat(ctx, (pcb_pstk_t *)a, (pcb_rat_t *)b);
				default:;
			}
			break;
		case PCB_OBJ_RAT:
			switch(b->type) {
				case PCB_OBJ_VOID: return rnd_false;
				case PCB_OBJ_GFX:  return rnd_false; /* pixmap never intersects */
				case PCB_OBJ_LINE: return pcb_isc_rat_line(ctx, (pcb_rat_t *)a, (pcb_line_t *)b);
				case PCB_OBJ_TEXT: return rnd_false; /* text is invisible to find for now */
				case PCB_OBJ_POLY: return pcb_isc_rat_poly(ctx, (pcb_rat_t *)a, (pcb_poly_t *)b);
				case PCB_OBJ_ARC:  return pcb_isc_rat_arc(ctx, (pcb_rat_t *)a, (pcb_arc_t *)b);
				case PCB_OBJ_PSTK: return pcb_isc_pstk_rat(ctx, (pcb_pstk_t *)b, (pcb_rat_t *)a);
				case PCB_OBJ_RAT:  return pcb_isc_rat_rat(ctx, (pcb_rat_t *)a, (pcb_rat_t *)b);
				default:;
			}
			break;
		default:;
	}
	assert(!"Don't know how to check intersection of these objet types");
	return rnd_false;
}