apps/screen_access.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Kevin Ferrare
  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 #include <stdio.h>
  23 #include "config.h"
  24 #include <lcd.h>
  25 #include <lcd-remote.h>
  26 #include <scroll_engine.h>
  27 #include <font.h>
  28 #include <button.h>
  29 #include <settings.h>
  30 #include <kernel.h>
  31 #include <icons.h>
  32
  33 #include "backlight.h"
  34 #include "screen_access.h"
  35 #include "backdrop.h"
  36
  37 /* some helper functions to calculate metrics on the fly */
  38 static int screen_helper_getcharwidth(void)
  39 {
  40 #ifdef HAVE_LCD_BITMAP
  41     return font_get(lcd_getfont())->maxwidth;
  42 #else
  43     return 1;
  44 #endif
  45 }
  46
  47 static int screen_helper_getcharheight(void)
  48 {
  49 #ifdef HAVE_LCD_BITMAP
  50     return font_get(lcd_getfont())->height;
  51 #else
  52     return 1;
  53 #endif
  54 }
  55
  56 static int screen_helper_getnblines(void)
  57 {
  58     int height=screens[0].lcdheight;
  59 #ifdef HAVE_LCD_BITMAP
  60     if(global_settings.statusbar != STATUSBAR_OFF)
  61         height -= STATUSBAR_HEIGHT;
  62 #ifdef HAVE_BUTTONBAR
  63     if(global_settings.buttonbar && screens[0].has_buttonbar)
  64         height -= BUTTONBAR_HEIGHT;
  65 #endif
  66 #endif
  67     return height / screens[0].getcharheight();
  68 }
  69
  70 #if NB_SCREENS == 2
  71 static int screen_helper_remote_getcharwidth(void)
  72 {
  73 #ifdef HAVE_LCD_BITMAP
  74     return font_get(lcd_remote_getfont())->maxwidth;
  75 #else
  76     return 1;
  77 #endif
  78 }
  79
  80 static int screen_helper_remote_getcharheight(void)
  81 {
  82 #ifdef HAVE_LCD_BITMAP
  83     return font_get(lcd_remote_getfont())->height;
  84 #else
  85     return 1;
  86 #endif
  87 }
  88
  89 static int screen_helper_remote_getnblines(void)
  90 {
  91     int height=screens[1].lcdheight;
  92 #ifdef HAVE_LCD_BITMAP
  93     if(global_settings.statusbar != STATUSBAR_OFF)
  94         height -= STATUSBAR_HEIGHT;
  95 #ifdef HAVE_BUTTONBAR
  96     if(global_settings.buttonbar && screens[1].has_buttonbar)
  97         height -= BUTTONBAR_HEIGHT;
  98 #endif
  99 #endif
 100     return height / screens[1].getcharheight();
 101 }
 102 #endif
 103
 104 struct screen screens[NB_SCREENS] =
 105 {
 106     {
 107         .screen_type=SCREEN_MAIN,
 108         .lcdwidth=LCD_WIDTH,
 109         .lcdheight=LCD_HEIGHT,
 110         .depth=LCD_DEPTH,
 111         .getnblines=&screen_helper_getnblines,
 112 #if defined(HAVE_LCD_COLOR)
 113         .is_color=true,
 114 #else
 115         .is_color=false,
 116 #endif
 117 #ifdef HAVE_LCD_BITMAP
 118         .pixel_format=LCD_PIXELFORMAT,
 119 #endif
 120         .getcharwidth=screen_helper_getcharwidth,
 121         .getcharheight=screen_helper_getcharheight,
 122 #if (CONFIG_LED == LED_VIRTUAL)
 123         .has_disk_led=false,
 124 #elif defined(HAVE_REMOTE_LCD)
 125         .has_disk_led=true,
 126 #endif
 127         .set_viewport=&lcd_set_viewport,
 128         .getwidth=&lcd_getwidth,
 129         .getheight=&lcd_getheight,
 130         .getstringsize=&lcd_getstringsize,
 131 #ifdef HAVE_LCD_BITMAP
 132         .setfont=&lcd_setfont,
 133         .getfont=&lcd_getfont,
 134         .mono_bitmap=&lcd_mono_bitmap,
 135         .mono_bitmap_part=&lcd_mono_bitmap_part,
 136         .set_drawmode=&lcd_set_drawmode,
 137         .bitmap=(screen_bitmap_func*)&lcd_bitmap,
 138         .bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 139 #if LCD_DEPTH <= 2
 140         /* No transparency yet for grayscale and mono lcd */
 141         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
 142         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 143 #else
 144         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
 145         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
 146 #endif
 147 #if LCD_DEPTH > 1
 148 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
 149         .color_to_native=&lcd_color_to_native,
 150 #endif
 151         .get_background=&lcd_get_background,
 152         .get_foreground=&lcd_get_foreground,
 153         .set_background=&lcd_set_background,
 154         .set_foreground=&lcd_set_foreground,
 155 #ifdef HAVE_LCD_COLOR
 156         .set_selector_start=&lcd_set_selector_start,
 157         .set_selector_end=&lcd_set_selector_end,
 158         .set_selector_text=&lcd_set_selector_text,
 159 #endif
 160 #endif /* LCD_DEPTH > 1 */
 161         .update_rect=&lcd_update_rect,
 162         .update_viewport_rect=&lcd_update_viewport_rect,
 163         .fillrect=&lcd_fillrect,
 164         .drawrect=&lcd_drawrect,
 165         .drawpixel=&lcd_drawpixel,
 166         .drawline=&lcd_drawline,
 167         .vline=&lcd_vline,
 168         .hline=&lcd_hline,
 169         .scroll_step=&lcd_scroll_step,
 170         .puts_style_offset=&lcd_puts_style_offset,
 171         .puts_scroll_style=&lcd_puts_scroll_style,
 172         .puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
 173 #endif /* HAVE_LCD_BITMAP */
 174
 175 #ifdef HAVE_LCD_CHARCELLS
 176         .double_height=&lcd_double_height,
 177         .putchar=&lcd_putc,
 178         .get_locked_pattern=&lcd_get_locked_pattern,
 179         .define_pattern=&lcd_define_pattern,
 180         .unlock_pattern=&lcd_unlock_pattern,
 181         .icon=&lcd_icon,
 182 #endif /* HAVE_LCD_CHARCELLS */
 183
 184         .putsxy=&lcd_putsxy,
 185         .puts=&lcd_puts,
 186         .putsf=&lcd_putsf,
 187         .puts_offset=&lcd_puts_offset,
 188         .puts_scroll=&lcd_puts_scroll,
 189         .puts_scroll_offset=&lcd_puts_scroll_offset,
 190         .scroll_speed=&lcd_scroll_speed,
 191         .scroll_delay=&lcd_scroll_delay,
 192         .stop_scroll=&lcd_stop_scroll,
 193         .clear_display=&lcd_clear_display,
 194         .clear_viewport=&lcd_clear_viewport,
 195         .scroll_stop=&lcd_scroll_stop,
 196         .scroll_stop_line=&lcd_scroll_stop_line,
 197         .update=&lcd_update,
 198         .update_viewport=&lcd_update_viewport,
 199         .backlight_on=&backlight_on,
 200         .backlight_off=&backlight_off,
 201         .is_backlight_on=&is_backlight_on,
 202         .backlight_set_timeout=&backlight_set_timeout,
 203 #if LCD_DEPTH > 1
 204         .backdrop_load=&backdrop_load,
 205         .backdrop_show=&backdrop_show,
 206 #endif
 207 #ifdef HAVE_BUTTONBAR
 208         .has_buttonbar=false,
 209 #endif
 210     },
 211 #if NB_SCREENS == 2
 212     {
 213         .screen_type=SCREEN_REMOTE,
 214         .lcdwidth=LCD_REMOTE_WIDTH,
 215         .lcdheight=LCD_REMOTE_HEIGHT,
 216         .depth=LCD_REMOTE_DEPTH,
 217         .getnblines=&screen_helper_remote_getnblines,
 218         .is_color=false,/* No color remotes yet */
 219         .pixel_format=LCD_REMOTE_PIXELFORMAT,
 220         .getcharwidth=screen_helper_remote_getcharwidth,
 221         .getcharheight=screen_helper_remote_getcharheight,
 222         .has_disk_led=false,
 223         .set_viewport=&lcd_remote_set_viewport,
 224         .getwidth=&lcd_remote_getwidth,
 225         .getheight=&lcd_remote_getheight,
 226         .getstringsize=&lcd_remote_getstringsize,
 227 #if 1 /* all remote LCDs are bitmapped so far */
 228         .setfont=&lcd_remote_setfont,
 229         .getfont=&lcd_remote_getfont,
 230         .mono_bitmap=&lcd_remote_mono_bitmap,
 231         .mono_bitmap_part=&lcd_remote_mono_bitmap_part,
 232         .bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 233         .bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 234         .set_drawmode=&lcd_remote_set_drawmode,
 235 #if LCD_REMOTE_DEPTH <= 2
 236         /* No transparency yet for grayscale and mono lcd */
 237         .transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 238         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 239         /* No colour remotes yet */
 240 #endif
 241 #if LCD_REMOTE_DEPTH > 1
 242 #if defined(HAVE_LCD_COLOR)
 243         .color_to_native=&lcd_remote_color_to_native,
 244 #endif
 245         .get_background=&lcd_remote_get_background,
 246         .get_foreground=&lcd_remote_get_foreground,
 247         .set_background=&lcd_remote_set_background,
 248         .set_foreground=&lcd_remote_set_foreground,
 249 #endif /* LCD_REMOTE_DEPTH > 1 */
 250         .update_rect=&lcd_remote_update_rect,
 251         .update_viewport_rect=&lcd_remote_update_viewport_rect,
 252         .fillrect=&lcd_remote_fillrect,
 253         .drawrect=&lcd_remote_drawrect,
 254         .drawpixel=&lcd_remote_drawpixel,
 255         .drawline=&lcd_remote_drawline,
 256         .vline=&lcd_remote_vline,
 257         .hline=&lcd_remote_hline,
 258         .scroll_step=&lcd_remote_scroll_step,
 259         .puts_style_offset=&lcd_remote_puts_style_offset,
 260         .puts_scroll_style=&lcd_remote_puts_scroll_style,
 261         .puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
 262 #endif /* 1 */
 263
 264 #if 0 /* no charcell remote LCDs so far */
 265         .double_height=&lcd_remote_double_height,
 266         .putc=&lcd_remote_putc,
 267         .get_locked_pattern=&lcd_remote_get_locked_pattern,
 268         .define_pattern=&lcd_remote_define_pattern,
 269         .icon=&lcd_remote_icon,
 270 #endif /* 0 */
 271         .putsxy=&lcd_remote_putsxy,
 272         .puts=&lcd_remote_puts,
 273         .putsf=&lcd_remote_putsf,
 274         .puts_offset=&lcd_remote_puts_offset,
 275         .puts_scroll=&lcd_remote_puts_scroll,
 276         .puts_scroll_offset=&lcd_remote_puts_scroll_offset,
 277         .scroll_speed=&lcd_remote_scroll_speed,
 278         .scroll_delay=&lcd_remote_scroll_delay,
 279         .stop_scroll=&lcd_remote_stop_scroll,
 280         .clear_display=&lcd_remote_clear_display,
 281         .clear_viewport=&lcd_remote_clear_viewport,
 282         .scroll_stop=&lcd_remote_scroll_stop,
 283         .scroll_stop_line=&lcd_remote_scroll_stop_line,
 284         .update=&lcd_remote_update,
 285         .update_viewport=&lcd_remote_update_viewport,
 286         .backlight_on=&remote_backlight_on,
 287         .backlight_off=&remote_backlight_off,
 288         .is_backlight_on=&is_remote_backlight_on,
 289         .backlight_set_timeout=&remote_backlight_set_timeout,
 290
 291 #if LCD_DEPTH > 1
 292         .backdrop_load=&remote_backdrop_load,
 293         .backdrop_show=&remote_backdrop_show,
 294 #endif
 295 #ifdef HAVE_BUTTONBAR
 296         .has_buttonbar=false,
 297 #endif
 298     }
 299 #endif /* HAVE_REMOTE_LCD */
 300 };
 301
 302 #ifdef HAVE_LCD_BITMAP
 303 void screen_clear_area(struct screen * display, int xstart, int ystart,
 304                        int width, int height)
 305 {
 306     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 307     display->fillrect(xstart, ystart, width, height);
 308     display->set_drawmode(DRMODE_SOLID);
 309 }
 310 #endif