demos/spiv/spiv_config.c

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2013 Cyril Hrubis <metan@ucw.cz>                       *
  20  *                                                                           *
  21  *****************************************************************************/
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "cfg.h"
  28 #include "image_actions.h"
  29 #include "spiv_config.h"
  30
  31 /*
  32  * These are default config values, you can hardcompile yours here.
  33  */
  34 struct spiv_config config = {
  35         .slideshow_delay = 0,
  36         .show_info = 0,
  37         .backend_init = "X11",
  38         .emul_type = GP_PIXEL_UNKNOWN,
  39 };
  40
  41 static int set_zoom_strategy(struct cfg_opt *self, unsigned int lineno)
  42 {
  43         (void) lineno;
  44         //TODO!!!
  45         printf("ZoomStrategy = %s\n", self->val);
  46
  47         return 0;
  48 }
  49
  50 static int set_action(struct cfg_opt *self, unsigned int lineno)
  51 {
  52         (void) lineno;
  53         image_action_set(atoi(self->key), self->val);
  54         return 0;
  55 }
  56
  57 static int set_opt(struct cfg_opt *self, unsigned int lineno)
  58 {
  59         (void) self;
  60         (void) lineno;
  61
  62         switch (self->opt) {
  63         case 'f':
  64                 config.floyd_steinberg = 1;
  65         break;
  66         case 'i':
  67                 config.show_info = 1;
  68         break;
  69         case 'p':
  70                 config.show_progress = 1;
  71         break;
  72         case 't':
  73                 config.timers = 1;
  74         break;
  75         }
  76
  77         return 0;
  78 }
  79
  80 static int set_orientation(struct cfg_opt *self, unsigned int lineno)
  81 {
  82         if (!strcmp("0", self->val)) {
  83                 config.orientation = ROTATE_0;
  84                 return 0;
  85         }
  86
  87         if (!strcmp("90", self->val)) {
  88                 config.orientation = ROTATE_90;
  89                 return 0;
  90         }
  91
  92         if (!strcmp("180", self->val)) {
  93                 config.orientation = ROTATE_180;
  94                 return 0;
  95         }
  96
  97         if (!strcmp("270", self->val)) {
  98                 config.orientation = ROTATE_270;
  99                 return 0;
 100         }
 101
 102         fprintf(stderr, "ERROR: %u: Invalid orientation '%s'\n",
 103                 lineno, self->val);
 104         return 1;
 105 }
 106
 107 static int set_backend_init(struct cfg_opt *self, unsigned int lineno)
 108 {
 109         if (strlen(self->val) + 1 >= sizeof(config.backend_init)) {
 110                 fprintf(stderr, "ERROR: %u: Backend init string too long\n",
 111                         lineno);
 112                 return 1;
 113         }
 114
 115         strcpy(config.backend_init, self->val);
 116
 117         return 0;
 118 }
 119
 120 static int set_slideshow(struct cfg_opt *self, unsigned int lineno)
 121 {
 122         config.slideshow_delay = atof(self->val);
 123
 124         if (config.slideshow_delay == 0) {
 125                 fprintf(stderr, "ERROR: %u: Invalid slideshow delay '%s'\n",
 126                         lineno, self->val);
 127                 return 1;
 128         }
 129
 130         return 0;
 131 }
 132
 133 static int set_emulation(struct cfg_opt *self, unsigned int lineno)
 134 {
 135         config.emul_type = GP_PixelTypeByName(optarg);
 136
 137         if (config.emul_type == GP_PIXEL_UNKNOWN) {
 138                 fprintf(stderr, "ERROR: %u: Invalid pixel type '%s'\n",
 139                         lineno, self->val);
 140                 return 1;
 141         }
 142
 143         return 0;
 144 }
 145
 146 static int help(struct cfg_opt *self, unsigned int lineno)
 147 {
 148         (void) self;
 149         (void) lineno;
 150
 151         print_help();
 152         exit(0);
 153 }
 154
 155 static int man(struct cfg_opt *self, unsigned int lineno)
 156 {
 157         (void) self;
 158         (void) lineno;
 159
 160         print_man();
 161         exit(0);
 162 }
 163
 164 struct cfg_opt spiv_opts[] = {
 165         {.name_space = NULL,
 166          .key = NULL,
 167          .opt = 'h',
 168          .opt_long = "help",
 169          .opt_has_value = 0,
 170          .set = help,
 171          .help = "Shows this help",
 172         },
 173
 174         {.name_space = "Gui",
 175          .key = "ShowInfo",
 176          .opt = 'i',
 177          .opt_long = "show-info",
 178          .opt_has_value = 0,
 179          .set = set_opt,
 180          .help = "Show image info such as filename, size, etc...",
 181         },
 182         {.name_space = "Gui",
 183          .key = "ShowProgress",
 184          .opt = 'p',
 185          .opt_long = "show-progress",
 186          .set = set_opt,
 187          .help = "Show progress bar when loading/resampling/... images",
 188         },
 189         {.name_space = "Gui",
 190          .key = "SlideshowDelay",
 191          .opt = 's',
 192          .opt_long = "slideshow-delay",
 193          .opt_has_value = 1,
 194          .set = set_slideshow,
 195          .help = "Delay between images in seconds (float) for slideshow",
 196         },
 197         {.name_space = "Gui",
 198          .key = "UseFloydSteinberg",
 199          .opt = 'f',
 200          .opt_long = "floyd-steinberg",
 201          .opt_has_value = 0,
 202          .set = set_opt,
 203          .help = "Turn on Floyd-Steinberg dithering",
 204         },
 205         {.name_space = "Gui",
 206          .key = "Orientation",
 207          .opt = 'o',
 208          .opt_long = "orientation",
 209          .opt_has_value = 1,
 210          .set = set_orientation,
 211          .help = "Orientation, one of 0, 90, 180, 270",
 212         },
 213         {.name_space = "Gui",
 214          .key = "BackendInit",
 215          .opt = 'b',
 216          .opt_long = "backend-init",
 217          .opt_has_value = 1,
 218          .set = set_backend_init,
 219          .help = "Backend init string, set it to 'help' for more info",
 220         },
 221
 222         {.name_space = "Zoom",
 223          .key = "ZoomStrategy",
 224          .opt = 'z',
 225          .opt_long = "zoom-strategy",
 226          .opt_has_value = 1,
 227          .set = set_zoom_strategy,
 228          .help = "Zoom strategy",
 229         },
 230
 231
 232         {.name_space = "Actions",
 233          .key = "1",
 234          .opt = '1',
 235          .opt_long = "action-1",
 236          .opt_has_value = 1,
 237          .set = set_action,
 238         },
 239         {.name_space = "Actions",
 240          .key = "2",
 241          .opt = '2',
 242          .opt_long = "action-2",
 243          .opt_has_value = 1,
 244          .set = set_action,
 245         },
 246         {.name_space = "Actions",
 247          .key = "3",
 248          .opt = '3',
 249          .opt_long = "action-3",
 250          .opt_has_value = 1,
 251          .set = set_action,
 252         },
 253         {.name_space = "Actions",
 254          .key = "4",
 255          .opt = '4',
 256          .opt_long = "action-4",
 257          .opt_has_value = 1,
 258          .set = set_action,
 259         },
 260         {.name_space = "Actions",
 261          .key = "5",
 262          .opt = '5',
 263          .opt_long = "action-5",
 264          .opt_has_value = 1,
 265          .set = set_action,
 266         },
 267         {.name_space = "Actions",
 268          .key = "6",
 269          .opt = '6',
 270          .opt_long = "action-6",
 271          .opt_has_value = 1,
 272          .set = set_action,
 273         },
 274         {.name_space = "Actions",
 275          .key = "7",
 276          .opt = '7',
 277          .opt_long = "action-7",
 278          .opt_has_value = 1,
 279          .set = set_action,
 280         },
 281         {.name_space = "Actions",
 282          .key = "8",
 283          .opt = '8',
 284          .opt_long = "action-8",
 285          .opt_has_value = 1,
 286          .set = set_action,
 287         },
 288         {.name_space = "Actions",
 289          .key = "9",
 290          .opt = '9',
 291          .opt_long = "action-9",
 292          .opt_has_value = 1,
 293          .set = set_action,
 294         },
 295         {.name_space = "Actions",
 296          .key = "10",
 297          .opt = '0',
 298          .opt_long = "action-10",
 299          .opt_has_value = 1,
 300          .set = set_action,
 301          .help = "Sets command line for action 1-10",
 302         },
 303
 304         {.name_space = "Devel",
 305          .key = "Timers",
 306          .opt = 't',
 307          .opt_long = "timers",
 308          .opt_has_value = 0,
 309          .set = set_opt,
 310          .help = "Turns on cpu and wall clock measurement (printed to stdout)",
 311         },
 312         {.name_space = "Devel",
 313          .key = "BackendEmulation",
 314          .opt = 'e',
 315          .opt_long = "backend-emulation",
 316          .opt_has_value = 1,
 317          .set = set_emulation,
 318          .help = "Emulate different backend pixel type (G1, G2, RGB555, ...)",
 319         },
 320         {.name_space = "Devel",
 321          .key = NULL,
 322          .opt_long = "print-man",
 323          .opt_has_value = 0,
 324          .set = man,
 325          .help = "Prints spiv man page to stdout",
 326         },
 327
 328         {NULL}
 329 };
 330
 331 int spiv_config_load(const char *path)
 332 {
 333         return cfg_load(spiv_opts, path);
 334 }
 335
 336 int spiv_config_parse_args(int argc, char *argv[])
 337 {
 338         return cfg_getopt(spiv_opts, argc, argv);
 339 }
 340
 341 void spiv_config_print_help(void)
 342 {
 343         cfg_print_help(spiv_opts);
 344 }
 345
 346 void spiv_config_print_man(void)
 347 {
 348         cfg_print_man(spiv_opts);
 349 }