|
1 /* |
|
2 * GraphLCD tool showpic |
|
3 * |
|
4 * showpic.c - a tool to show image files in GLCD format on a LCD |
|
5 * |
|
6 * based on graphlcd plugin 0.1.1 for the Video Disc Recorder |
|
7 * (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de> |
|
8 * |
|
9 * This file is released under the GNU General Public License. Refer |
|
10 * to the COPYING file distributed with this package. |
|
11 * |
|
12 * (c) 2004 Andreas Regel <andreas.regel AT powarman.de> |
|
13 */ |
|
14 |
|
15 #include <stdio.h> |
|
16 #include <string.h> |
|
17 #include <stdlib.h> |
|
18 #include <getopt.h> |
|
19 #include <dlfcn.h> |
|
20 #include <unistd.h> |
|
21 #include <syslog.h> |
|
22 #include <signal.h> |
|
23 |
|
24 #include <string> |
|
25 |
|
26 #include <glcdgraphics/bitmap.h> |
|
27 #include <glcdgraphics/glcd.h> |
|
28 #include <glcdgraphics/image.h> |
|
29 #include <glcddrivers/config.h> |
|
30 #include <glcddrivers/driver.h> |
|
31 #include <glcddrivers/drivers.h> |
|
32 |
|
33 static const char *prgname = "showpic"; |
|
34 static const char *version = "0.1.2"; |
|
35 |
|
36 static const int kDefaultSleepMs = 100; |
|
37 static const char * kDefaultConfigFile = "/etc/graphlcd.conf"; |
|
38 |
|
39 static volatile bool stopProgramm = false; |
|
40 |
|
41 static void sighandler(int signal) |
|
42 { |
|
43 switch (signal) |
|
44 { |
|
45 case SIGINT: |
|
46 case SIGQUIT: |
|
47 case SIGTERM: |
|
48 stopProgramm = true; |
|
49 } |
|
50 } |
|
51 |
|
52 void usage() |
|
53 { |
|
54 fprintf(stdout, "\n"); |
|
55 fprintf(stdout, "%s v%s\n", prgname, version); |
|
56 fprintf(stdout, "%s is a tool to show an image on a LCD.\n", prgname); |
|
57 fprintf(stdout, "The image must be in a special format (*.glcd).\n"); |
|
58 fprintf(stdout, "You can create such images with the convpic tool.\n\n"); |
|
59 fprintf(stdout, " Usage: %s [-c CONFIGFILE] [-d DISPLAY] [-s SLEEP] [-uie] file [more files]\n\n", prgname); |
|
60 fprintf(stdout, " -c --config specifies the location of the config file\n"); |
|
61 fprintf(stdout, " (default: /etc/graphlcd.conf)\n"); |
|
62 fprintf(stdout, " -d --display specifies the output display (default is the first one)\n"); |
|
63 fprintf(stdout, " -u --upsidedown rotates the output by 180 degrees (default: no)\n"); |
|
64 fprintf(stdout, " -i --invert inverts the output (default: no)\n"); |
|
65 fprintf(stdout, " -e --endless show all images in endless loop (default: no)\n"); |
|
66 fprintf(stdout, " -s --sleep set sleeptime between two images [ms] (default: %d ms)\n", kDefaultSleepMs); |
|
67 fprintf(stdout, " -b --brightness set brightness for display if driver support it [%%]\n"); |
|
68 fprintf(stdout, " (default: config file value)\n"); |
|
69 fprintf(stdout, "\n" ); |
|
70 fprintf(stdout, " examples: %s -c /etc/graphlcd.conf vdr-logo.glcd\n", prgname); |
|
71 fprintf(stdout, " %s -c /etc/graphlcd.conf -d LCD_T6963 -u -i vdr-logo.glcd\n", prgname); |
|
72 fprintf(stdout, "\n" ); |
|
73 } |
|
74 |
|
75 int main(int argc, char *argv[]) |
|
76 { |
|
77 static struct option long_options[] = |
|
78 { |
|
79 {"config", required_argument, NULL, 'c'}, |
|
80 {"display", required_argument, NULL, 'd'}, |
|
81 {"sleep", required_argument, NULL, 's'}, |
|
82 {"endless", no_argument, NULL, 'e'}, |
|
83 {"upsidedown", no_argument, NULL, 'u'}, |
|
84 {"invert", no_argument, NULL, 'i'}, |
|
85 {"brightness", required_argument, NULL, 'b'}, |
|
86 {NULL} |
|
87 }; |
|
88 |
|
89 std::string configName = ""; |
|
90 std::string displayName = ""; |
|
91 bool upsideDown = false; |
|
92 bool invert = false; |
|
93 int brightness = -1; |
|
94 bool delay = false; |
|
95 int sleepMs = 100; |
|
96 bool endless = false; |
|
97 unsigned int displayNumber = 0; |
|
98 |
|
99 int c, option_index = 0; |
|
100 while ((c = getopt_long(argc, argv, "c:d:s:euib:", long_options, &option_index)) != -1) |
|
101 { |
|
102 switch(c) |
|
103 { |
|
104 case 'c': |
|
105 configName = optarg; |
|
106 break; |
|
107 |
|
108 case 'd': |
|
109 displayName = optarg; |
|
110 break; |
|
111 |
|
112 case 'u': |
|
113 upsideDown = true; |
|
114 break; |
|
115 |
|
116 case 'i': |
|
117 invert = true; |
|
118 break; |
|
119 |
|
120 case 's': |
|
121 sleepMs = atoi(optarg); |
|
122 delay = true; |
|
123 break; |
|
124 |
|
125 case 'e': |
|
126 endless = true; |
|
127 break; |
|
128 |
|
129 case 'b': |
|
130 brightness = atoi(optarg); |
|
131 if (brightness < 0) brightness = 0; |
|
132 if (brightness > 100) brightness = 100; |
|
133 break; |
|
134 |
|
135 default: |
|
136 usage(); |
|
137 return 1; |
|
138 } |
|
139 } |
|
140 |
|
141 if (configName.length() == 0) |
|
142 { |
|
143 configName = kDefaultConfigFile; |
|
144 syslog(LOG_INFO, "Error: No config file specified, using default (%s).\n", configName.c_str()); |
|
145 } |
|
146 |
|
147 if (GLCD::Config.Load(configName) == false) |
|
148 { |
|
149 fprintf(stdout, "Error loading config file!\n"); |
|
150 return 2; |
|
151 } |
|
152 if (GLCD::Config.driverConfigs.size() > 0) |
|
153 { |
|
154 if (displayName.length() > 0) |
|
155 { |
|
156 for (displayNumber = 0; displayNumber < GLCD::Config.driverConfigs.size(); displayNumber++) |
|
157 { |
|
158 if (GLCD::Config.driverConfigs[displayNumber].name == displayName) |
|
159 break; |
|
160 } |
|
161 if (displayNumber == GLCD::Config.driverConfigs.size()) |
|
162 { |
|
163 fprintf(stdout, "ERROR: Specified display %s not found in config file!\n", displayName.c_str()); |
|
164 return 3; |
|
165 } |
|
166 } |
|
167 else |
|
168 { |
|
169 fprintf(stdout, "WARNING: No display specified, using first one.\n"); |
|
170 displayNumber = 0; |
|
171 } |
|
172 } |
|
173 else |
|
174 { |
|
175 fprintf(stdout, "ERROR: No displays specified in config file!\n"); |
|
176 return 4; |
|
177 } |
|
178 |
|
179 if (optind == argc) |
|
180 { |
|
181 usage(); |
|
182 fprintf(stderr, "ERROR: You have to specify the image\n"); |
|
183 return 5; |
|
184 } |
|
185 |
|
186 GLCD::Config.driverConfigs[displayNumber].upsideDown ^= upsideDown; |
|
187 GLCD::Config.driverConfigs[displayNumber].invert ^= invert; |
|
188 if (brightness != -1) |
|
189 GLCD::Config.driverConfigs[displayNumber].brightness = brightness; |
|
190 GLCD::cDriver * lcd = GLCD::CreateDriver(GLCD::Config.driverConfigs[displayNumber].id, &GLCD::Config.driverConfigs[displayNumber]); |
|
191 if (!lcd) |
|
192 { |
|
193 fprintf(stderr, "ERROR: Failed creating display object %s\n", displayName.c_str()); |
|
194 return 6; |
|
195 } |
|
196 if (lcd->Init() != 0) |
|
197 { |
|
198 fprintf(stderr, "ERROR: Failed initializing display %s\n", displayName.c_str()); |
|
199 delete lcd; |
|
200 return 7; |
|
201 } |
|
202 lcd->SetBrightness(GLCD::Config.driverConfigs[displayNumber].brightness); |
|
203 |
|
204 signal(SIGINT, sighandler); |
|
205 signal(SIGQUIT, sighandler); |
|
206 signal(SIGTERM, sighandler); |
|
207 signal(SIGHUP, sighandler); |
|
208 |
|
209 const GLCD::cBitmap * bitmap; |
|
210 GLCD::cImage image; |
|
211 GLCD::cGLCDFile glcd; |
|
212 int optFile; |
|
213 std::string picFile; |
|
214 |
|
215 optFile = optind; |
|
216 while (optFile < argc && !stopProgramm) |
|
217 { |
|
218 picFile = argv[optFile++]; |
|
219 if (glcd.Load(image, picFile) == false) |
|
220 { |
|
221 fprintf(stderr, "ERROR: Failed loading file %s\n", picFile.c_str()); |
|
222 return 8; |
|
223 } |
|
224 |
|
225 if (delay) |
|
226 image.SetDelay(sleepMs); |
|
227 |
|
228 while ((bitmap = image.GetBitmap()) != NULL && !stopProgramm) |
|
229 { |
|
230 lcd->SetScreen(bitmap->Data(), bitmap->Width(), bitmap->Height(), bitmap->LineSize()); |
|
231 lcd->Refresh(true); |
|
232 |
|
233 if (image.Next(0)) // Select next image |
|
234 { |
|
235 usleep(image.Delay() * 1000); |
|
236 } |
|
237 else if (endless && argc == (optind + 1)) // Endless and one and only image |
|
238 { |
|
239 image.First(0); |
|
240 usleep(image.Delay() * 1000); |
|
241 } |
|
242 else |
|
243 break; |
|
244 } |
|
245 |
|
246 if (optFile < argc || endless) |
|
247 usleep(sleepMs * 1000); |
|
248 if (optFile >= argc && endless) |
|
249 optFile = optind; |
|
250 } |
|
251 |
|
252 lcd->DeInit(); |
|
253 delete lcd; |
|
254 |
|
255 return 0; |
|
256 } |