mirror of
https://github.com/ascii-boxes/boxes.git
synced 2025-03-19 08:49:15 +01:00
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
|
|
* boxes - Command line filter to draw/remove ASCII boxes around text
|
|
* Copyright (c) 1999-2021 Thomas Jensen and the boxes contributors
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
|
|
* License, version 3, as published by the Free Software Foundation.
|
|
* 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, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
*/
|
|
|
|
/*
|
|
* Shape handling and information functions
|
|
*/
|
|
|
|
#ifndef SHAPE_H
|
|
#define SHAPE_H
|
|
|
|
|
|
typedef enum {
|
|
NW, NNW, N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW
|
|
} shape_t;
|
|
|
|
extern char *shape_name[];
|
|
|
|
#define NUM_SHAPES 16
|
|
|
|
#define SHAPES_PER_SIDE 5
|
|
#define NUM_SIDES 4
|
|
#define NUM_CORNERS 4
|
|
|
|
extern shape_t north_side[SHAPES_PER_SIDE]; /* groups of shapes, clockwise */
|
|
extern shape_t east_side[SHAPES_PER_SIDE];
|
|
extern shape_t south_side[SHAPES_PER_SIDE];
|
|
extern shape_t west_side[SHAPES_PER_SIDE];
|
|
extern shape_t corners[NUM_CORNERS];
|
|
extern shape_t *sides[NUM_SIDES];
|
|
|
|
|
|
typedef struct {
|
|
char **chars;
|
|
size_t height;
|
|
size_t width;
|
|
int elastic; /* elastic is used only in original definition */
|
|
} sentry_t;
|
|
|
|
#define SENTRY_INITIALIZER (sentry_t) {NULL, 0, 0, 0}
|
|
|
|
|
|
|
|
int genshape (const size_t width, const size_t height, char ***chars);
|
|
void freeshape (sentry_t *shape);
|
|
|
|
shape_t findshape (const sentry_t *sarr, const int num);
|
|
int on_side (const shape_t s, const int idx);
|
|
|
|
int isempty (const sentry_t *shape);
|
|
int isdeepempty (const sentry_t *shape);
|
|
|
|
size_t highest (const sentry_t *sarr, const int n, ...);
|
|
size_t widest (const sentry_t *sarr, const int n, ...);
|
|
|
|
shape_t leftmost (const int aside, const int cnt);
|
|
|
|
int empty_side (sentry_t *sarr, const int aside);
|
|
|
|
|
|
|
|
#endif /*SHAPE_H*/
|
|
|
|
/*EOF*/ /* vim: set cindent sw=4: */
|