1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/* $Id: icon.c,v 1.8 2003/09/19 03:51:29 reinelt Exp $
*
* generic icon and heartbeat handling
*
* written 2003 by Michael Reinelt (reinelt@eunet.at)
*
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* $Log: icon.c,v $
* Revision 1.8 2003/09/19 03:51:29 reinelt
* minor fixes, widget.c added
*
* Revision 1.7 2003/09/11 04:09:53 reinelt
* minor cleanups
*
* Revision 1.6 2003/09/10 14:01:53 reinelt
* icons nearly finished\!
*
* Revision 1.5 2003/09/10 03:48:23 reinelt
* Icons for M50530, new processing scheme (Ticks.Text...)
*
* Revision 1.4 2003/09/09 05:30:34 reinelt
* even more icons stuff
*
* Revision 1.3 2003/09/01 04:09:34 reinelt
* icons nearly finished, but MatrixOrbital only
*
* Revision 1.2 2003/08/24 05:17:58 reinelt
* liblcd4linux patch from Patrick Schemitz
*
* Revision 1.1 2003/08/24 04:31:56 reinelt
* icon.c icon.h added
*
*
*/
/*
* exported functions:
*
* int icon_init (int rows, int cols, int xres, int yres, int chars, int icons,
* void(*defchar)(int ascii, char *bitmap))
* initializes all icons stuff and reads the bitmaps from config file.
*
* void icon_clear(void)
* clears the icon framebuffer
*
* int icon_draw (int num, int seq, int row, int col)
* puts icon #num sequence #seq at position row, col in the icon framebuffer
*
* int icon_peek (int row, int col)
* returns icon# or -1 if none from position row, col
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "debug.h"
#include "cfg.h"
#include "icon.h"
typedef struct BITMAP {
int nData;
int lData;
char *Data;
} BITMAP;
static int ROWS=0;
static int COLS=0;
static int XRES=0;
static int YRES=0;
static int CHARS;
static int ICONS=0;
static int *Screen=NULL;
static struct BITMAP *Bitmap=NULL;
static void(*Defchar)(int ascii, char *bitmap);
static int icon_read_bitmap (int num)
{
struct BITMAP *bm = Bitmap+num;
int row, n;
char key[15];
char *val, *v;
char *map;
for (row=0; row<YRES; row++) {
snprintf (key, sizeof(key), "Icon%d.Bitmap%d", num+1, row+1);
val=cfg_get(key, "");
map=bm->Data+row;
n=0;
for (v=val; *v!='\0'; v++) {
if (n>=bm->nData) {
bm->nData++;
bm->Data=realloc(bm->Data, bm->nData*YRES*sizeof(char));
memset (bm->Data+n*YRES, 0, YRES*sizeof(char));
map=bm->Data+n*YRES+row;
}
switch (*v) {
case '|':
n++;
map+=YRES;
break;
case '*':
(*map)<<=1;
(*map)|=1;
break;
default:
(*map)<<=1;
}
}
}
return 0;
}
int icon_init (int rows, int cols, int xres, int yres, int chars, int icons,
void(*defchar)(int ascii, char *bitmap))
{
int n;
if (rows<1 || cols<1)
return -1;
ROWS=rows;
COLS=cols;
XRES=xres;
YRES=yres;
CHARS=chars,
ICONS=icons;
if ((Screen=malloc(ROWS*COLS*sizeof(*Screen)))==NULL) {
error ("icon buffer allocation failed: out of memory?");
return -1;
}
if ((Bitmap=malloc(icons*sizeof(*Bitmap)))==NULL) {
error ("icon allocation failed: out of memory?");
return -1;
}
Defchar=defchar;
icon_clear();
for (n=0; n<icons; n++) {
Bitmap[n].nData=1;
Bitmap[n].lData=0;
Bitmap[n].Data=malloc(YRES*sizeof(char));
memset (Bitmap[n].Data, 0, YRES*sizeof(char));
icon_read_bitmap(n);
// icons use last ascii codes from userdef chars
if (Defchar) Defchar (CHARS-n-1, Bitmap[n].Data);
}
return 0;
}
void icon_clear(void)
{
int n;
for (n=0; n<ROWS*COLS; n++) {
Screen[n]=-1;
}
}
int icon_draw (int num, int seq, int row, int col)
{
if (row>=0 && col>=0) {
// icons use last ascii codes from userdef chars
Screen[row*COLS+col]=CHARS-num-1;
}
if (seq>=0) {
seq%=Bitmap[num].nData;
if (seq!=Bitmap[num].lData) {
Bitmap[num].lData=seq;
if (Defchar) Defchar (CHARS-num-1, Bitmap[num].Data+seq*YRES);
}
}
return 0;
}
int icon_peek (int row, int col)
{
if (Screen)
return Screen[row*COLS+col];
else
return -1;
}
|
