source: libcaca/trunk/src/box.c @ 204

Last change on this file since 204 was 192, checked in by Sam Hocevar, 19 years ago
  • Changed copyleft to LGPL.
  • Property svn:keywords set to Id
File size: 2.9 KB
Line 
1/*
2 *   libcaca       ASCII-Art library
3 *   Copyright (c) 2002, 2003 Sam Hocevar <sam@zoy.org>
4 *                 All Rights Reserved
5 *
6 *   $Id: box.c 192 2003-11-16 12:28:29Z sam $
7 *
8 *   This library is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU Lesser General Public
10 *   License as published by the Free Software Foundation; either
11 *   version 2 of the License, or (at your option) any later version.
12 *
13 *   This library is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 *   Lesser General Public License for more details.
17 *
18 *   You should have received a copy of the GNU Lesser General Public
19 *   License along with this library; if not, write to the Free Software
20 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 *   02111-1307  USA
22 */
23
24#include "config.h"
25
26#include <stdlib.h>
27
28#include "caca.h"
29#include "caca_internals.h"
30
31void caca_draw_box(int x1, int y1, int x2, int y2, char c)
32{
33    caca_draw_line(x1, y1, x1, y2, c);
34    caca_draw_line(x1, y2, x2, y2, c);
35    caca_draw_line(x2, y2, x2, y1, c);
36    caca_draw_line(x2, y1, x1, y1, c);
37}
38
39void caca_draw_thin_box(int x1, int y1, int x2, int y2)
40{
41    int x, y, xmax, ymax;
42
43    if(x1 > x2)
44    {
45        int tmp = x1;
46        x1 = x2; x2 = tmp;
47    }
48
49    if(y1 > y2)
50    {
51        int tmp = y1;
52        y1 = y2; y2 = tmp;
53    }
54
55    xmax = caca_get_width() - 1;
56    ymax = caca_get_height() - 1;
57
58    if(x2 < 0 || y2 < 0 || x1 > xmax || y1 > ymax)
59        return;
60
61    /* Draw edges */
62    if(y1 >= 0)
63        for(x = x1 < 0 ? 1 : x1 + 1; x < x2 && x < xmax; x++)
64            caca_putchar(x, y1, '-');
65
66    if(y2 <= ymax)
67        for(x = x1 < 0 ? 1 : x1 + 1; x < x2 && x < xmax; x++)
68            caca_putchar(x, y2, '-');
69
70    if(x1 >= 0)
71        for(y = y1 < 0 ? 1 : y1 + 1; y < y2 && y < ymax; y++)
72            caca_putchar(x1, y, '|');
73
74    if(x2 <= xmax)
75        for(y = y1 < 0 ? 1 : y1 + 1; y < y2 && y < ymax; y++)
76            caca_putchar(x2, y, '|');
77
78    /* Draw corners */
79    if(x1 >= 0 && y1 >= 0)
80        caca_putchar(x1, y1, ',');
81
82    if(x1 >= 0 && y2 <= ymax)
83        caca_putchar(x1, y2, '`');
84
85    if(x2 <= xmax && y1 >= 0)
86        caca_putchar(x2, y1, '.');
87
88    if(x2 <= xmax && y2 <= ymax)
89        caca_putchar(x2, y2, '\'');
90}
91
92void caca_fill_box(int x1, int y1, int x2, int y2, char c)
93{
94    int x, y, xmax, ymax;
95
96    if(x1 > x2)
97    {
98        int tmp = x1;
99        x1 = x2; x2 = tmp;
100    }
101
102    if(y1 > y2)
103    {
104        int tmp = y1;
105        y1 = y2; y2 = tmp;
106    }
107
108    xmax = caca_get_width() - 1;
109    ymax = caca_get_height() - 1;
110
111    if(x2 < 0 || y2 < 0 || x1 > xmax || y1 > ymax)
112        return;
113
114    if(x1 < 0) x1 = 0;
115    if(y1 < 0) y1 = 0;
116    if(x2 > xmax) x2 = xmax;
117    if(y2 > ymax) y2 = ymax;
118
119    for(y = y1; y <= y2; y++)
120        for(x = x1; x <= x2; x++)
121            caca_putchar(x, y, c);
122}
123
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