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
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
* GraphLCD tool showtext
*
* showtext.c - a tool to show a text on a LCD
*
* This file is released under the GNU General Public License. Refer
* to the COPYING file distributed with this package.
*
* (c) 2004-2010 Andreas Regel <andreas.regel AT powarman.de>
* (c) 2010-2011 Wolfgang Astleitner <mrwastl AT users sourceforge net>
* Andreas 'randy' Weinberger
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <string>
#include <glcdgraphics/bitmap.h>
#include <glcdgraphics/font.h>
#include <glcddrivers/config.h>
#include <glcddrivers/driver.h>
#include <glcddrivers/drivers.h>
static const char *prgname = "showtext";
static const char *version = "0.0.3";
static const char * kDefaultConfigFile = "/etc/graphlcd.conf";
static const int kFontFNT = 0;
static const int kFontFT2 = 1;
void usage()
{
fprintf(stdout, "\n");
fprintf(stdout, "%s v%s\n", prgname, version);
fprintf(stdout, "%s is a tool to show a text on an LCD.\n", prgname);
fprintf(stdout, "\n");
fprintf(stdout, " Usage: %s [-c CONFIGFILE] [-d DISPLAY] [-f FONT] [-x XPOS] [-y YPOS] [-uib] text [more text]\n\n", prgname);
fprintf(stdout, " -c --config specifies the location of the config file\n");
fprintf(stdout, " (default: /etc/graphlcd.conf)\n");
fprintf(stdout, " -d --display specifies the output display (default is the first one)\n");
fprintf(stdout, " -f --font specifies the font that is used for the text:\n");
fprintf(stdout, " fnt:/path/to/font.fnt for GraphLCD font format\n");
fprintf(stdout, " ft2:/path/to/font.ttf:size for FreeType2 supported fonts\n");
fprintf(stdout, " -e --encoding specifies the encoding that is used for the text\n");
fprintf(stdout, " (p.e. iso8859-1)\n");
fprintf(stdout, " -x --xpos specifies the x-position where the text starts\n");
fprintf(stdout, " -y --ypos specifies the y-position where the text starts\n");
fprintf(stdout, " -u --upsidedown rotates the output by 180 degrees (default: no)\n");
fprintf(stdout, " -i --invert inverts the output (default: no)\n");
fprintf(stdout, " -b --brightness set brightness for display if driver support it [%%]\n");
fprintf(stdout, " (default: config file value)\n");
fprintf(stdout, "\n" );
fprintf(stdout, " example: %s -c /etc/graphlcd.conf -f fnt:f17.fnt \"Line1\" \"Line2\"\n", prgname);
fprintf(stdout, "\n" );
}
int main(int argc, char *argv[])
{
static struct option long_options[] =
{
{"config", required_argument, NULL, 'c'},
{"display", required_argument, NULL, 'd'},
{"font", required_argument, NULL, 'f'},
{"encoding", required_argument, NULL, 'e'},
{"upsidedown", no_argument, NULL, 'u'},
{"invert", no_argument, NULL, 'i'},
{"brightness", required_argument, NULL, 'b'},
{"xpos", required_argument, NULL, 'x'},
{"ypos", required_argument, NULL, 'y'},
{NULL}
};
std::string configName = "";
std::string displayName = "";
std::string fontName;
std::string fontFileName = "";
std::string encoding = "";
int fontType;
int fontSize = 16;
bool upsideDown = false;
bool invert = false;
int brightness = -1;
int x = 0;
int y = 0;
unsigned int displayNumber = 0;
int c, option_index = 0;
while ((c = getopt_long(argc, argv, "c:d:f:e:uib:x:y:", long_options, &option_index)) != -1)
{
switch (c)
{
case 'c':
configName = optarg;
break;
case 'd':
displayName = optarg;
break;
case 'f':
fontName = optarg;
break;
case 'e':
encoding = optarg;
break;
case 'u':
upsideDown = true;
break;
case 'i':
invert = true;
break;
case 'b':
brightness = atoi(optarg);
if (brightness < 0) brightness = 0;
if (brightness > 100) brightness = 100;
break;
case 'x':
x = atoi(optarg);
break;
case 'y':
y = atoi(optarg);
break;
default:
usage();
return 1;
}
}
if (configName.length() == 0)
{
configName = kDefaultConfigFile;
fprintf(stdout, "WARNING: No config file specified, using default (%s).\n", configName.c_str());
}
if (GLCD::Config.Load(configName) == false)
{
fprintf(stderr, "Error loading config file!\n");
return 2;
}
if (GLCD::Config.driverConfigs.size() > 0)
{
if (displayName.length() > 0)
{
for (displayNumber = 0; displayNumber < GLCD::Config.driverConfigs.size(); displayNumber++)
{
if (GLCD::Config.driverConfigs[displayNumber].name == displayName)
break;
}
if (displayNumber == GLCD::Config.driverConfigs.size())
{
fprintf(stderr, "ERROR: Specified display %s not found in config file!\n", displayName.c_str());
return 3;
}
}
else
{
fprintf(stdout, "WARNING: No display specified, using first one.\n");
displayNumber = 0;
}
}
else
{
fprintf(stderr, "ERROR: No displays specified in config file!\n");
return 4;
}
if (encoding.length() == 0)
{
encoding = "iso8859-1";
fprintf(stdout, "WARNING: No encoding specified, using default (%s).\n", encoding.c_str());
}
if (fontName.length() == 0)
{
fprintf(stderr, "Error: No font specified!\n");
return 5;
}
if (fontName.find("fnt:") == 0)
{
fontType = kFontFNT;
fontFileName = fontName.substr(4);
}
else if (fontName.find("ft2:") == 0)
{
fontType = kFontFT2;
std::string::size_type pos = fontName.find(":", 4);
if (pos == std::string::npos)
{
fontSize = 16;
fprintf(stdout, "WARNING: No font size specified, using default (%d).\n", fontSize);
fontFileName = fontName.substr(4);
}
else
{
std::string tmp = fontName.substr(pos + 1);
fontSize = atoi(tmp.c_str());
fontFileName = fontName.substr(4, pos - 4);
}
}
else
{
fprintf(stderr, "Error: Unknown font type!\n");
return 6;
}
if (optind == argc)
{
usage();
fprintf(stderr, "ERROR: You have to specify a text\n");
return 7;
}
GLCD::Config.driverConfigs[displayNumber].upsideDown ^= upsideDown;
GLCD::Config.driverConfigs[displayNumber].invert ^= invert;
if (brightness != -1)
GLCD::Config.driverConfigs[displayNumber].brightness = brightness;
GLCD::cFont font;
if (fontType == kFontFNT)
{
if (font.LoadFNT(fontFileName) == false)
{
fprintf(stderr, "ERROR: Failed loading font file %s\n", fontFileName.c_str());
return 8;
}
}
else
{
if (font.LoadFT2(fontFileName, encoding, fontSize) == false)
{
fprintf(stderr, "ERROR: Failed loading font file %s\n", fontFileName.c_str());
return 8;
}
}
GLCD::cDriver * lcd = GLCD::CreateDriver(GLCD::Config.driverConfigs[displayNumber].id, &GLCD::Config.driverConfigs[displayNumber]);
if (!lcd)
{
fprintf(stderr, "ERROR: Failed creating display object %s\n", displayName.c_str());
return 9;
}
if (lcd->Init() != 0)
{
fprintf(stderr, "ERROR: Failed initializing display %s\n", displayName.c_str());
delete lcd;
return 10;
}
GLCD::cBitmap * bitmap = new GLCD::cBitmap(lcd->Width(), lcd->Height());
int optText;
std::string text;
bitmap->Clear();
optText = optind;
while (optText < argc)
{
text = argv[optText];
optText++;
bitmap->DrawText(x, y, bitmap->Width() - 1, text, &font);
y += font.LineHeight();
}
// lcd->SetScreen(bitmap->Data(), bitmap->Width(), bitmap->Height(), bitmap->LineSize());
lcd->SetScreen(bitmap->Data(), bitmap->Width(), bitmap->Height());
lcd->Refresh(true);
lcd->DeInit();
delete lcd;
return 0;
}
|
