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- /*
- * FIG : Facility for Interactive Generation of figures
- * Copyright (c) 1985 by Supoj Sutanthavibul
- *
- * "Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both the copyright
- * notice and this permission notice appear in supporting documentation.
- * No representations are made about the suitability of this software for
- * any purpose. It is provided "as is" without express or implied warranty."
- */
-
- #include "fig.h"
- #include "resources.h"
- #include "mode.h"
- #include "object.h"
- #include "paintop.h"
- #include "u_create.h"
- #include "u_elastic.h"
- #include "u_list.h"
- #include "w_canvas.h"
- #include "w_mousefun.h"
-
- /*************************** local declarations *********************/
-
- int init_box_drawing();
- static create_boxobject(), cancel_box();
-
- box_drawing_selected()
- {
- set_mousefun("corner point", "", "");
- canvas_kbd_proc = null_proc;
- canvas_locmove_proc = null_proc;
- canvas_leftbut_proc = init_box_drawing;
- canvas_middlebut_proc = null_proc;
- canvas_rightbut_proc = null_proc;
- set_cursor(arrow_cursor);
- reset_action_on();
- }
-
- init_box_drawing(x, y)
- int x, y;
- {
- cur_x = fix_x = x;
- cur_y = fix_y = y;
- set_mousefun("final point", "", "cancel");
- draw_mousefun_canvas();
- canvas_locmove_proc = resizing_box;
- canvas_leftbut_proc = create_boxobject;
- canvas_middlebut_proc = null_proc;
- canvas_rightbut_proc = cancel_box;
- elastic_box(fix_x, fix_y, cur_x, cur_y);
- set_temp_cursor(null_cursor);
- set_action_on();
- }
-
- static
- cancel_box()
- {
- elastic_box(fix_x, fix_y, cur_x, cur_y);
- box_drawing_selected();
- draw_mousefun_canvas();
- }
-
- static
- create_boxobject(x, y)
- int x, y;
- {
- F_line *box;
- F_point *point;
-
- elastic_box(fix_x, fix_y, cur_x, cur_y);
-
- if ((point = create_point()) == NULL)
- return;
-
- point->x = x;
- point->y = y;
- point->next = NULL;
-
- if ((box = create_line()) == NULL) {
- free((char *) point);
- return;
- }
- box->type = T_BOX;
- box->style = cur_linestyle;
- box->thickness = cur_linewidth;
- box->color = cur_color;
- box->depth = cur_depth;
- box->pen = 0;
- box->fill_style = cur_fillstyle;
- /* scale dash length by line thickness */
- box->style_val = cur_styleval * (cur_linewidth + 1) / 2;
- box->radius = 0;
- box->points = point;
- append_point(x, fix_y, &point);
- append_point(fix_x, fix_y, &point);
- append_point(fix_x, y, &point);
- append_point(x, y, &point);
- draw_line(box, PAINT);
- add_line(box);
- box_drawing_selected();
- draw_mousefun_canvas();
- }
-