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/*
* COPYRIGHT
*
* pcb-rnd, interactive printed circuit board design
* Copyright (C) 2020 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")
*/
/* included from act_draw.c */
#include "search.h"
#include "obj_poly.h"
#include "data_list.h"
/* returns number of objects added before esc */
static int pick_obj(vtp0_t *objs, const char *ask_first, const char *ask_subseq)
{
rnd_coord_t x, y;
const char *msg = objs->used == 0 ? ask_first : ask_subseq;
for(;;) {
int res = rnd_hid_get_coords(msg, &x, &y, 1);
void *p1, *p2, *p3;
if (res < 0)
return 0;
res = pcb_search_screen(x, y, PCB_OBJ_POLY, &p1, &p2, &p3);
if (res == PCB_OBJ_POLY) {
int n, found = 0;
for(n = 0; n < objs->used; n++) {
if (objs->array[n] == p2) {
found = 1;
break;
}
}
if (found) {
rnd_message(RND_MSG_ERROR, "That polygon is already on the list! Try again or press esc!\n");
continue;
}
vtp0_append(objs, p2);
return 1;
}
rnd_message(RND_MSG_ERROR, "There's no polygon there. Try again or press esc!\n");
}
}
static const char pcb_acts_PolyBool[] = "PolyBool([noundo,] unite|isect|sub, [poly1, poly2, [poly...]])\n";
static const char pcb_acth_PolyBool[] = "Perform polygon boolean operation on the clipped polygons referred. A poly is either and idpath, selected, found or object (for the object under the cursor). When not specified, two object polygons are used.";
/* doc: polybool.html */
static fgw_error_t pcb_act_PolyBool(fgw_arg_t *res, int argc, fgw_arg_t *argv)
{
pcb_board_t *pcb = PCB_ACT_BOARD;
char *cmd;
int cmdi, n;
vtp0_t objs;
rnd_bool_op_t bop;
const char *ask_first, *ask_subseq;
rnd_polyarea_t *pa, *ptmp;
DRAWOPTARG;
RND_ACT_CONVARG(1+ao, FGW_STR, PolyBool, cmd = argv[1+ao].val.str);
cmdi = act_draw_keywords_sphash(cmd);
switch(cmdi) {
case act_draw_keywords_unite: bop = RND_PBO_UNITE; ask_first = ask_subseq = "click on polygon to unite, press esc after the last"; break;
case act_draw_keywords_isect: bop = RND_PBO_ISECT; ask_first = ask_subseq = "click on polygon to contribute in intersection, press esc after the last"; break;
case act_draw_keywords_sub: bop = RND_PBO_SUB; ask_first = "click on polygon to subtract other polygons from"; ask_subseq = "click on polygon to subtract from the first, press esc after the last"; break;
/* case act_draw_keywords_xor: bop = RND_PBO_XOR; ask_first = ask_subseq = "click on polygon to xor, press esc after the last"; break;*/
default:
RND_ACT_FAIL(PolyBool);
}
RND_ACT_IRES(-1);
vtp0_init(&objs);
for(n = 2+ao; n < argc; n++) {
if ((argv[n].type & FGW_STR) == FGW_STR) {
if (strcmp(argv[n].val.str, "object") == 0)
pick_obj(&objs, ask_first, ask_subseq);
else if (strcmp(argv[n].val.str, "selected") == 0)
pcb_data_list_by_flag(pcb->Data, &objs, PCB_OBJ_POLY, PCB_FLAG_SELECTED);
else if (strcmp(argv[n].val.str, "found") == 0)
pcb_data_list_by_flag(pcb->Data, &objs, PCB_OBJ_POLY, PCB_FLAG_FOUND);
else
goto try_idp;
}
else {
pcb_idpath_t *idp;
pcb_any_obj_t *obj;
try_idp:;
RND_ACT_MAY_CONVARG(n, FGW_IDPATH, PolyBool, idp = fgw_idpath(&argv[n]));
if ((idp == NULL) || !fgw_ptr_in_domain(&rnd_fgw, &argv[n], RND_PTR_DOMAIN_IDPATH)) {
rnd_message(RND_MSG_ERROR, "Invalid polygon specification idpath in arg %d: pointer domain error\n", n);
goto error;
}
obj = pcb_idpath2obj(pcb, idp);
if ((obj == NULL) || (obj->type != PCB_OBJ_POLY)) {
rnd_message(RND_MSG_ERROR, "Invalid polygon specification idpath in arg %d: object is not a polygon\n", n);
goto error;
}
vtp0_append(&objs, obj);
}
}
while(objs.used < 2) {
if (pick_obj(&objs, ask_first, ask_subseq) == 0)
goto error; /* aborted */
}
/* set up the base poly in pa */
if (!rnd_polyarea_m_copy0(&pa, ((pcb_poly_t *)objs.array[0])->Clipped)) {
rnd_message(RND_MSG_ERROR, "Failed to copy the first polygon\n", n);
goto error;
}
/* peform the boolean ops */
for(n = 1; n < objs.used; n++) {
rnd_polyarea_boolean(pa, ((pcb_poly_t *)objs.array[n])->Clipped, &ptmp, bop);
rnd_polyarea_free(&pa);
pa = ptmp;
}
if (noundo)
pcb_undo_freeze_add();
pcb_poly_to_polygons_on_layer(pcb->Data, PCB_CURRLAYER(pcb), pa, pcb_flag_make(PCB_FLAG_CLEARLINE));
if (noundo)
pcb_undo_unfreeze_add();
rnd_polyarea_free(&pa);
error:;
vtp0_uninit(&objs);
return 0;
}
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