apps/plugins/imageviewer/imageviewer.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * user intereface of image viewers (jpeg, png, etc.)
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _IMGVIEW_IMGVIEW_H
  23 #define _IMGVIEW_IMGVIEW_H
  24
  25 #include "plugin.h"
  26
  27 /* variable button definitions */
  28 #if CONFIG_KEYPAD == RECORDER_PAD
  29 #define IMGVIEW_ZOOM_IN     BUTTON_PLAY
  30 #define IMGVIEW_ZOOM_OUT    BUTTON_ON
  31 #define IMGVIEW_UP          BUTTON_UP
  32 #define IMGVIEW_DOWN        BUTTON_DOWN
  33 #define IMGVIEW_LEFT        BUTTON_LEFT
  34 #define IMGVIEW_RIGHT       BUTTON_RIGHT
  35 #define IMGVIEW_NEXT        BUTTON_F3
  36 #define IMGVIEW_PREVIOUS    BUTTON_F2
  37 #define IMGVIEW_MENU        BUTTON_OFF
  38
  39 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  40 #define IMGVIEW_ZOOM_IN     BUTTON_SELECT
  41 #define IMGVIEW_ZOOM_OUT    BUTTON_ON
  42 #define IMGVIEW_UP          BUTTON_UP
  43 #define IMGVIEW_DOWN        BUTTON_DOWN
  44 #define IMGVIEW_LEFT        BUTTON_LEFT
  45 #define IMGVIEW_RIGHT       BUTTON_RIGHT
  46 #define IMGVIEW_NEXT        BUTTON_F3
  47 #define IMGVIEW_PREVIOUS    BUTTON_F2
  48 #define IMGVIEW_MENU        BUTTON_OFF
  49
  50 #elif CONFIG_KEYPAD == ONDIO_PAD
  51 #define IMGVIEW_ZOOM_PRE    BUTTON_MENU
  52 #define IMGVIEW_ZOOM_IN     (BUTTON_MENU | BUTTON_REL)
  53 #define IMGVIEW_ZOOM_OUT    (BUTTON_MENU | BUTTON_DOWN)
  54 #define IMGVIEW_UP          BUTTON_UP
  55 #define IMGVIEW_DOWN        BUTTON_DOWN
  56 #define IMGVIEW_LEFT        BUTTON_LEFT
  57 #define IMGVIEW_RIGHT       BUTTON_RIGHT
  58 #define IMGVIEW_NEXT        (BUTTON_MENU | BUTTON_RIGHT)
  59 #define IMGVIEW_PREVIOUS    (BUTTON_MENU | BUTTON_LEFT)
  60 #define IMGVIEW_MENU        BUTTON_OFF
  61
  62 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  63       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  64 #define IMGVIEW_ZOOM_IN     BUTTON_SELECT
  65 #define IMGVIEW_ZOOM_OUT    BUTTON_MODE
  66 #define IMGVIEW_UP          BUTTON_UP
  67 #define IMGVIEW_DOWN        BUTTON_DOWN
  68 #define IMGVIEW_LEFT        BUTTON_LEFT
  69 #define IMGVIEW_RIGHT       BUTTON_RIGHT
  70 #if (CONFIG_KEYPAD == IRIVER_H100_PAD)
  71 #define IMGVIEW_NEXT        BUTTON_ON
  72 #define IMGVIEW_PREVIOUS    BUTTON_REC
  73 #else
  74 #define IMGVIEW_NEXT        BUTTON_REC
  75 #define IMGVIEW_PREVIOUS    BUTTON_ON
  76 #endif
  77 #define IMGVIEW_MENU        BUTTON_OFF
  78 #define IMGVIEW_RC_MENU     BUTTON_RC_STOP
  79
  80 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  81       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  82 #define IMGVIEW_ZOOM_IN     BUTTON_SCROLL_FWD
  83 #define IMGVIEW_ZOOM_OUT    BUTTON_SCROLL_BACK
  84 #define IMGVIEW_UP          BUTTON_MENU
  85 #define IMGVIEW_DOWN        BUTTON_PLAY
  86 #define IMGVIEW_LEFT        BUTTON_LEFT
  87 #define IMGVIEW_RIGHT       BUTTON_RIGHT
  88 #define IMGVIEW_NEXT        (BUTTON_SELECT | BUTTON_RIGHT)
  89 #define IMGVIEW_PREVIOUS    (BUTTON_SELECT | BUTTON_LEFT)
  90 #define IMGVIEW_MENU        (BUTTON_SELECT | BUTTON_MENU)
  91 #define IMGVIEW_QUIT        (BUTTON_SELECT | BUTTON_PLAY)
  92
  93 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
  94 #define IMGVIEW_ZOOM_PRE    BUTTON_SELECT
  95 #define IMGVIEW_ZOOM_IN     (BUTTON_SELECT | BUTTON_REL)
  96 #define IMGVIEW_ZOOM_OUT    (BUTTON_SELECT | BUTTON_REPEAT)
  97 #define IMGVIEW_UP          BUTTON_UP
  98 #define IMGVIEW_DOWN        BUTTON_DOWN
  99 #define IMGVIEW_LEFT        BUTTON_LEFT
 100 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 101 #define IMGVIEW_NEXT        BUTTON_PLAY
 102 #define IMGVIEW_PREVIOUS    BUTTON_REC
 103 #define IMGVIEW_MENU        BUTTON_POWER
 104
 105 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 106 #define IMGVIEW_ZOOM_IN     BUTTON_VOL_UP
 107 #define IMGVIEW_ZOOM_OUT    BUTTON_VOL_DOWN
 108 #define IMGVIEW_UP          BUTTON_UP
 109 #define IMGVIEW_DOWN        BUTTON_DOWN
 110 #define IMGVIEW_LEFT        BUTTON_LEFT
 111 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 112 #define IMGVIEW_NEXT        (BUTTON_A | BUTTON_RIGHT)
 113 #define IMGVIEW_PREVIOUS    (BUTTON_A | BUTTON_LEFT)
 114 #define IMGVIEW_MENU        BUTTON_MENU
 115 #define IMGVIEW_QUIT        BUTTON_POWER
 116
 117 #elif CONFIG_KEYPAD == SANSA_E200_PAD
 118 #define IMGVIEW_ZOOM_PRE        BUTTON_SELECT
 119 #define IMGVIEW_ZOOM_IN         (BUTTON_SELECT | BUTTON_REL)
 120 #define IMGVIEW_ZOOM_OUT        (BUTTON_SELECT | BUTTON_REPEAT)
 121 #define IMGVIEW_UP              BUTTON_UP
 122 #define IMGVIEW_DOWN            BUTTON_DOWN
 123 #define IMGVIEW_LEFT            BUTTON_LEFT
 124 #define IMGVIEW_RIGHT           BUTTON_RIGHT
 125 #define IMGVIEW_NEXT            BUTTON_SCROLL_FWD
 126 #define IMGVIEW_NEXT_REPEAT     (BUTTON_SCROLL_FWD|BUTTON_REPEAT)
 127 #define IMGVIEW_PREVIOUS        BUTTON_SCROLL_BACK
 128 #define IMGVIEW_PREVIOUS_REPEAT (BUTTON_SCROLL_BACK|BUTTON_REPEAT)
 129 #define IMGVIEW_MENU            BUTTON_POWER
 130 #define IMGVIEW_SLIDE_SHOW      BUTTON_REC
 131
 132 #elif CONFIG_KEYPAD == SANSA_FUZE_PAD
 133 #define IMGVIEW_ZOOM_PRE        BUTTON_SELECT
 134 #define IMGVIEW_ZOOM_IN         (BUTTON_SELECT | BUTTON_REL)
 135 #define IMGVIEW_ZOOM_OUT        (BUTTON_SELECT | BUTTON_REPEAT)
 136 #define IMGVIEW_UP              BUTTON_UP
 137 #define IMGVIEW_DOWN            BUTTON_DOWN
 138 #define IMGVIEW_LEFT            BUTTON_LEFT
 139 #define IMGVIEW_RIGHT           BUTTON_RIGHT
 140 #define IMGVIEW_NEXT            BUTTON_SCROLL_FWD
 141 #define IMGVIEW_NEXT_REPEAT     (BUTTON_SCROLL_FWD|BUTTON_REPEAT)
 142 #define IMGVIEW_PREVIOUS        BUTTON_SCROLL_BACK
 143 #define IMGVIEW_PREVIOUS_REPEAT (BUTTON_SCROLL_BACK|BUTTON_REPEAT)
 144 #define IMGVIEW_MENU            (BUTTON_HOME|BUTTON_REPEAT)
 145
 146 #elif CONFIG_KEYPAD == SANSA_C200_PAD
 147 #define IMGVIEW_ZOOM_PRE        BUTTON_SELECT
 148 #define IMGVIEW_ZOOM_IN         (BUTTON_SELECT | BUTTON_REL)
 149 #define IMGVIEW_ZOOM_OUT        (BUTTON_SELECT | BUTTON_REPEAT)
 150 #define IMGVIEW_UP              BUTTON_UP
 151 #define IMGVIEW_DOWN            BUTTON_DOWN
 152 #define IMGVIEW_LEFT            BUTTON_LEFT
 153 #define IMGVIEW_RIGHT           BUTTON_RIGHT
 154 #define IMGVIEW_NEXT            BUTTON_VOL_UP
 155 #define IMGVIEW_NEXT_REPEAT     (BUTTON_VOL_UP|BUTTON_REPEAT)
 156 #define IMGVIEW_PREVIOUS        BUTTON_VOL_DOWN
 157 #define IMGVIEW_PREVIOUS_REPEAT (BUTTON_VOL_DOWN|BUTTON_REPEAT)
 158 #define IMGVIEW_MENU            BUTTON_POWER
 159 #define IMGVIEW_SLIDE_SHOW      BUTTON_REC
 160
 161 #elif CONFIG_KEYPAD == SANSA_CLIP_PAD
 162 #define IMGVIEW_ZOOM_PRE        BUTTON_SELECT
 163 #define IMGVIEW_ZOOM_IN         (BUTTON_SELECT | BUTTON_REL)
 164 #define IMGVIEW_ZOOM_OUT        (BUTTON_SELECT | BUTTON_REPEAT)
 165 #define IMGVIEW_UP              BUTTON_UP
 166 #define IMGVIEW_DOWN            BUTTON_DOWN
 167 #define IMGVIEW_LEFT            BUTTON_LEFT
 168 #define IMGVIEW_RIGHT           BUTTON_RIGHT
 169 #define IMGVIEW_NEXT            BUTTON_VOL_UP
 170 #define IMGVIEW_NEXT_REPEAT     (BUTTON_VOL_UP|BUTTON_REPEAT)
 171 #define IMGVIEW_PREVIOUS        BUTTON_VOL_DOWN
 172 #define IMGVIEW_PREVIOUS_REPEAT (BUTTON_VOL_DOWN|BUTTON_REPEAT)
 173 #define IMGVIEW_MENU            BUTTON_POWER
 174 #define IMGVIEW_SLIDE_SHOW      BUTTON_HOME
 175
 176 #elif CONFIG_KEYPAD == SANSA_M200_PAD
 177 #define IMGVIEW_ZOOM_PRE        BUTTON_SELECT
 178 #define IMGVIEW_ZOOM_IN         (BUTTON_SELECT | BUTTON_REL)
 179 #define IMGVIEW_ZOOM_OUT        (BUTTON_SELECT | BUTTON_REPEAT)
 180 #define IMGVIEW_UP              BUTTON_UP
 181 #define IMGVIEW_DOWN            BUTTON_DOWN
 182 #define IMGVIEW_LEFT            BUTTON_LEFT
 183 #define IMGVIEW_RIGHT           BUTTON_RIGHT
 184 #define IMGVIEW_NEXT            BUTTON_VOL_UP
 185 #define IMGVIEW_NEXT_REPEAT     (BUTTON_VOL_UP|BUTTON_REPEAT)
 186 #define IMGVIEW_PREVIOUS        BUTTON_VOL_DOWN
 187 #define IMGVIEW_PREVIOUS_REPEAT (BUTTON_VOL_DOWN|BUTTON_REPEAT)
 188 #define IMGVIEW_MENU            BUTTON_POWER
 189 #define IMGVIEW_SLIDE_SHOW      (BUTTON_SELECT | BUTTON_UP)
 190
 191 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 192 #define IMGVIEW_ZOOM_PRE    BUTTON_PLAY
 193 #define IMGVIEW_ZOOM_IN     (BUTTON_PLAY | BUTTON_REL)
 194 #define IMGVIEW_ZOOM_OUT    (BUTTON_PLAY | BUTTON_REPEAT)
 195 #define IMGVIEW_UP          BUTTON_SCROLL_UP
 196 #define IMGVIEW_DOWN        BUTTON_SCROLL_DOWN
 197 #define IMGVIEW_LEFT        BUTTON_LEFT
 198 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 199 #define IMGVIEW_NEXT        BUTTON_FF
 200 #define IMGVIEW_PREVIOUS    BUTTON_REW
 201 #define IMGVIEW_MENU        BUTTON_POWER
 202
 203 #elif CONFIG_KEYPAD == MROBE500_PAD
 204 #define IMGVIEW_MENU        BUTTON_POWER
 205
 206 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 207 #define IMGVIEW_ZOOM_IN     BUTTON_VOL_UP
 208 #define IMGVIEW_ZOOM_OUT    BUTTON_VOL_DOWN
 209 #define IMGVIEW_UP          BUTTON_UP
 210 #define IMGVIEW_DOWN        BUTTON_DOWN
 211 #define IMGVIEW_LEFT        BUTTON_LEFT
 212 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 213 #define IMGVIEW_NEXT        BUTTON_NEXT
 214 #define IMGVIEW_PREVIOUS    BUTTON_PREV
 215 #define IMGVIEW_MENU        BUTTON_MENU
 216 #define IMGVIEW_QUIT        BUTTON_BACK
 217
 218 #elif CONFIG_KEYPAD == MROBE100_PAD
 219 #define IMGVIEW_ZOOM_IN     BUTTON_SELECT
 220 #define IMGVIEW_ZOOM_OUT    BUTTON_PLAY
 221 #define IMGVIEW_UP          BUTTON_UP
 222 #define IMGVIEW_DOWN        BUTTON_DOWN
 223 #define IMGVIEW_LEFT        BUTTON_LEFT
 224 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 225 #define IMGVIEW_NEXT        (BUTTON_DISPLAY | BUTTON_RIGHT)
 226 #define IMGVIEW_PREVIOUS    (BUTTON_DISPLAY | BUTTON_LEFT)
 227 #define IMGVIEW_MENU        BUTTON_MENU
 228 #define IMGVIEW_QUIT        BUTTON_POWER
 229
 230 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 231 #define IMGVIEW_ZOOM_PRE    BUTTON_RC_PLAY
 232 #define IMGVIEW_ZOOM_IN     (BUTTON_RC_PLAY|BUTTON_REL)
 233 #define IMGVIEW_ZOOM_OUT    (BUTTON_RC_PLAY|BUTTON_REPEAT)
 234 #define IMGVIEW_UP          BUTTON_RC_VOL_UP
 235 #define IMGVIEW_DOWN        BUTTON_RC_VOL_DOWN
 236 #define IMGVIEW_LEFT        BUTTON_RC_REW
 237 #define IMGVIEW_RIGHT       BUTTON_RC_FF
 238 #define IMGVIEW_NEXT        BUTTON_RC_MODE
 239 #define IMGVIEW_PREVIOUS    BUTTON_RC_MENU
 240 #define IMGVIEW_MENU        BUTTON_RC_REC
 241
 242 #elif CONFIG_KEYPAD == COWON_D2_PAD
 243
 244 #elif CONFIG_KEYPAD == IAUDIO67_PAD
 245 #define IMGVIEW_ZOOM_IN     BUTTON_VOLUP
 246 #define IMGVIEW_ZOOM_OUT    BUTTON_VOLDOWN
 247 #define IMGVIEW_UP          BUTTON_STOP
 248 #define IMGVIEW_DOWN        BUTTON_PLAY
 249 #define IMGVIEW_LEFT        BUTTON_LEFT
 250 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 251 #define IMGVIEW_NEXT        (BUTTON_PLAY|BUTTON_VOLUP)
 252 #define IMGVIEW_PREVIOUS    (BUTTON_PLAY|BUTTON_VOLDOWN)
 253 #define IMGVIEW_MENU        BUTTON_MENU
 254
 255 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 256
 257 #define IMGVIEW_ZOOM_IN     BUTTON_PLAY
 258 #define IMGVIEW_ZOOM_OUT    BUTTON_CUSTOM
 259 #define IMGVIEW_UP          BUTTON_UP
 260 #define IMGVIEW_DOWN        BUTTON_DOWN
 261 #define IMGVIEW_LEFT        BUTTON_LEFT
 262 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 263 #define IMGVIEW_NEXT        BUTTON_SELECT
 264 #define IMGVIEW_PREVIOUS    BUTTON_BACK
 265 #define IMGVIEW_MENU        BUTTON_MENU
 266
 267 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 268 #define IMGVIEW_ZOOM_IN     BUTTON_VOL_UP
 269 #define IMGVIEW_ZOOM_OUT    BUTTON_VOL_DOWN
 270 #define IMGVIEW_UP          BUTTON_UP
 271 #define IMGVIEW_DOWN        BUTTON_DOWN
 272 #define IMGVIEW_LEFT        BUTTON_LEFT
 273 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 274 #define IMGVIEW_NEXT        BUTTON_VIEW
 275 #define IMGVIEW_PREVIOUS    BUTTON_PLAYLIST
 276 #define IMGVIEW_MENU        BUTTON_MENU
 277 #define IMGVIEW_QUIT        BUTTON_POWER
 278
 279 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 280 #define IMGVIEW_ZOOM_IN     BUTTON_VOL_UP
 281 #define IMGVIEW_ZOOM_OUT    BUTTON_VOL_DOWN
 282 #define IMGVIEW_UP          BUTTON_UP
 283 #define IMGVIEW_DOWN        BUTTON_DOWN
 284 #define IMGVIEW_LEFT        BUTTON_PREV
 285 #define IMGVIEW_RIGHT       BUTTON_NEXT
 286 #define IMGVIEW_NEXT        BUTTON_RIGHT
 287 #define IMGVIEW_PREVIOUS    BUTTON_LEFT
 288 #define IMGVIEW_MENU        BUTTON_MENU
 289 #define IMGVIEW_QUIT        BUTTON_POWER
 290
 291 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 292 #elif CONFIG_KEYPAD == ONDAVX777_PAD
 293
 294 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 295 #define IMGVIEW_ZOOM_IN     (BUTTON_PLAY|BUTTON_UP)
 296 #define IMGVIEW_ZOOM_OUT    (BUTTON_PLAY|BUTTON_DOWN)
 297 #define IMGVIEW_UP          BUTTON_UP
 298 #define IMGVIEW_DOWN        BUTTON_DOWN
 299 #define IMGVIEW_LEFT        BUTTON_LEFT
 300 #define IMGVIEW_RIGHT       BUTTON_RIGHT
 301 #define IMGVIEW_NEXT        BUTTON_FFWD
 302 #define IMGVIEW_PREVIOUS    BUTTON_REW
 303 #define IMGVIEW_MENU_PRE    BUTTON_PLAY
 304 #define IMGVIEW_MENU        (BUTTON_PLAY|BUTTON_REL)
 305 #define IMGVIEW_QUIT        BUTTON_REC
 306
 307 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 308 #define IMGVIEW_ZOOM_IN     (BUTTON_REC | BUTTON_UP)
 309 #define IMGVIEW_ZOOM_OUT    (BUTTON_REC | BUTTON_DOWN)
 310 #define IMGVIEW_UP          BUTTON_UP
 311 #define IMGVIEW_DOWN        BUTTON_DOWN
 312 #define IMGVIEW_LEFT        BUTTON_PREV
 313 #define IMGVIEW_RIGHT       BUTTON_NEXT
 314 #define IMGVIEW_NEXT        (BUTTON_REC | BUTTON_NEXT)
 315 #define IMGVIEW_PREVIOUS    (BUTTON_REC | BUTTON_PREV)
 316 #define IMGVIEW_MENU        BUTTON_MENU
 317 #define IMGVIEW_QUIT        BUTTON_CANCEL
 318
 319 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 320 #define IMGVIEW_ZOOM_IN     (BUTTON_REC|BUTTON_VOL_UP)
 321 #define IMGVIEW_ZOOM_OUT    (BUTTON_REC|BUTTON_VOL_DOWN)
 322 #define IMGVIEW_UP          BUTTON_PREV
 323 #define IMGVIEW_DOWN        BUTTON_NEXT
 324 #define IMGVIEW_LEFT        BUTTON_VOL_DOWN
 325 #define IMGVIEW_RIGHT       BUTTON_VOL_UP
 326 #define IMGVIEW_NEXT        (BUTTON_REC | BUTTON_NEXT)
 327 #define IMGVIEW_PREVIOUS    (BUTTON_REC | BUTTON_PREV)
 328 #define IMGVIEW_MENU        BUTTON_SELECT
 329 #define IMGVIEW_QUIT        (BUTTON_REC | BUTTON_PLAY)
 330
 331 #else
 332 #error No keymap defined!
 333 #endif
 334
 335 #ifdef HAVE_TOUCHSCREEN
 336 #ifndef IMGVIEW_UP
 337 #define IMGVIEW_UP          BUTTON_TOPMIDDLE
 338 #endif
 339 #ifndef IMGVIEW_DOWN
 340 #define IMGVIEW_DOWN        BUTTON_BOTTOMMIDDLE
 341 #endif
 342 #ifndef IMGVIEW_LEFT
 343 #define IMGVIEW_LEFT        BUTTON_MIDLEFT
 344 #endif
 345 #ifndef IMGVIEW_RIGHT
 346 #define IMGVIEW_RIGHT       BUTTON_MIDRIGHT
 347 #endif
 348 #ifndef IMGVIEW_ZOOM_IN
 349 #define IMGVIEW_ZOOM_IN     BUTTON_TOPRIGHT
 350 #endif
 351 #ifndef IMGVIEW_ZOOM_OUT
 352 #define IMGVIEW_ZOOM_OUT    BUTTON_TOPLEFT
 353 #endif
 354 #ifndef IMGVIEW_MENU
 355 #define IMGVIEW_MENU        (BUTTON_CENTER|BUTTON_REL)
 356 #endif
 357 #ifndef IMGVIEW_NEXT
 358 #define IMGVIEW_NEXT        BUTTON_BOTTOMRIGHT
 359 #endif
 360 #ifndef IMGVIEW_PREVIOUS
 361 #define IMGVIEW_PREVIOUS    BUTTON_BOTTOMLEFT
 362 #endif
 363 #endif
 364
 365 /* different graphics libraries */
 366 #if LCD_DEPTH < 8
 367 #define USEGSLIB
 368 #include <lib/grey.h>
 369 #else
 370 #include <lib/xlcd.h>
 371 #endif
 372
 373 #include <lib/mylcd.h>
 374
 375 /* Min memory allowing us to use the plugin buffer
 376  * and thus not stopping the music
 377  * *Very* rough estimation:
 378  * Max 10 000 dir entries * 4bytes/entry (char **) = 40000 bytes
 379  * + 30k code size = 70 000
 380  * + 50k min for image = 120 000
 381  */
 382 #define MIN_MEM 120000
 383
 384 /* State code for output with return. */
 385 #define PLUGIN_OTHER    10
 386 #define PLUGIN_ABORT    11
 387 #define PLUGIN_OUTOFMEM 12
 388
 389 #if (CONFIG_PLATFORM & PLATFORM_NATIVE) && defined(HAVE_DISK_STORAGE)
 390 #define DISK_SPINDOWN
 391 #endif
 392 #if PLUGIN_BUFFER_SIZE >= MIN_MEM
 393 #define USE_PLUG_BUF
 394 #endif
 395
 396 /* Settings. jpeg needs these */
 397 struct imgview_settings
 398 {
 399     /* include all settings for varias decoders as using same setting file. */
 400 #ifdef HAVE_LCD_COLOR
 401     int jpeg_colour_mode;
 402     int jpeg_dither_mode;
 403 #endif
 404     int ss_timeout;
 405 };
 406
 407 /* structure passed to decoder. */
 408 struct image_info {
 409     int x_size, y_size; /* set size of loaded image in load_image(). */
 410     int width, height;  /* set size of resized image in get_image(). */
 411     int x, y;           /* display position */
 412     void *data;         /* use freely in decoder. not touched in ui. */
 413 };
 414
 415 /* callback updating a progress meter while image decoding */
 416 extern void cb_progress(int current, int total);
 417
 418 extern struct imgview_settings settings;
 419 extern bool slideshow_enabled;
 420 extern bool running_slideshow;
 421 #ifdef DISK_SPINDOWN
 422 extern bool immediate_ata_off;
 423 #endif
 424 #ifdef USE_PLUG_BUF
 425 extern bool plug_buf;
 426 #endif
 427
 428 /* functions need to be implemented in each image decoders. */
 429 /* return true if ext is supported by the decoder. */
 430 extern bool img_ext(const char *ext);
 431 /* return needed size of buffer to store downscaled image by ds */
 432 extern int img_mem(int ds);
 433 /* load image from filename. set width and height of info properly. also, set
 434  * buf_size to remaining size of buf after load image. it is used to caluclate
 435  * min downscale. */
 436 extern int load_image(char *filename, struct image_info *info,
 437                       unsigned char *buf, ssize_t *buf_size);
 438 /* downscale loaded image by ds. note that buf to store reszied image is not
 439  * provided. return PLUGIN_ERROR for error. ui will skip to next image. */
 440 extern int get_image(struct image_info *info, int ds);
 441 /* draw part of image */
 442 extern void draw_image_rect(struct image_info *info,
 443                             int x, int y, int width, int height);
 444
 445 #endif /* _IMGVIEW_IMGVIEW_H */