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/*
* COPYRIGHT
*
* pcb-rnd, interactive printed circuit board design
* Copyright (C) 2017 Tibor 'Igor2' Palinkas
*
* 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")
*/
#include "obj_poly.h"
void pcb_pline_fprint_anim(FILE *f, const rnd_pline_t *pl);
/* Add lines on dst tracing pline from the inner side (no line will extend
outside of the original pline, except when the original polygon has a hair
narrower than thickness). Returns number of lines created */
rnd_cardinal_t pcb_pline_to_lines(pcb_layer_t *dst, const rnd_pline_t *src, rnd_coord_t thickness, rnd_coord_t clearance, pcb_flag_t flags, rnd_bool undoable);
/* Returns whether the clipped polygon is a simple rectangle (single island,
no-hole rectangle). */
rnd_bool pcb_cpoly_is_simple_rect(const pcb_poly_t *p);
/* Returns whether all edges of a pline are axis aligned */
rnd_bool pcb_pline_is_aligned(const rnd_pline_t *src);
/*** Generate an rtree of all edges if a polygon */
typedef struct {
rnd_box_t bbox;
rnd_coord_t x1, y1, x2, y2;
} pcb_cpoly_edge_t;
typedef struct {
rnd_rtree_t *edge_tree;
rnd_box_t bbox;
rnd_cardinal_t used, alloced;
pcb_cpoly_edge_t edges[1];
} pcb_cpoly_edgetree_t;
pcb_cpoly_edgetree_t *pcb_cpoly_edgetree_create(const pcb_poly_t *src, rnd_coord_t offs);
void pcb_cpoly_edgetree_destroy(pcb_cpoly_edgetree_t *etr);
/*** hatching ***/
/* bitfield to request horizontal and/or vertical hatching or striping */
typedef enum {
PCB_CPOLY_HATCH_HORIZONTAL = 1,
PCB_CPOLY_HATCH_VERTICAL = 2
} pcb_cpoly_hatchdir_t;
/* hatch a polygon with horizontal and/or vertical lines drawn on dst,
one line per period */
void pcb_cpoly_hatch_lines(pcb_layer_t *dst, const pcb_poly_t *src, pcb_cpoly_hatchdir_t dir, rnd_coord_t period, rnd_coord_t thickness, rnd_coord_t clearance, pcb_flag_t flags, rnd_bool undoable);
/* Generic hor-ver hatch with a callback */
void pcb_cpoly_hatch(const pcb_poly_t *src, pcb_cpoly_hatchdir_t dir, rnd_coord_t offs, rnd_coord_t period, void *ctx, void (*cb)(void *ctx, rnd_coord_t x1, rnd_coord_t y1, rnd_coord_t x2, rnd_coord_t y2));
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