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 #include "statusbar.h"
  37
  38 /* some helper functions to calculate metrics on the fly */
  39 static int screen_helper_getcharwidth(void)
  40 {
  41 #ifdef HAVE_LCD_BITMAP
  42     return font_get(lcd_getfont())->maxwidth;
  43 #else
  44     return 1;
  45 #endif
  46 }
  47
  48 static int screen_helper_getcharheight(void)
  49 {
  50 #ifdef HAVE_LCD_BITMAP
  51     return font_get(lcd_getfont())->height;
  52 #else
  53     return 1;
  54 #endif
  55 }
  56
  57 static int screen_helper_getnblines(void)
  58 {
  59     int height=screens[0].lcdheight;
  60 #ifdef HAVE_LCD_BITMAP
  61     if(global_settings.statusbar != STATUSBAR_OFF)
  62         height -= STATUSBAR_HEIGHT;
  63 #ifdef HAVE_BUTTONBAR
  64     if(global_settings.buttonbar && screens[0].has_buttonbar)
  65         height -= BUTTONBAR_HEIGHT;
  66 #endif
  67 #endif
  68     return height / screens[0].getcharheight();
  69 }
  70
  71 #if NB_SCREENS == 2
  72 static int screen_helper_remote_getcharwidth(void)
  73 {
  74 #ifdef HAVE_LCD_BITMAP
  75     return font_get(lcd_remote_getfont())->maxwidth;
  76 #else
  77     return 1;
  78 #endif
  79 }
  80
  81 static int screen_helper_remote_getcharheight(void)
  82 {
  83 #ifdef HAVE_LCD_BITMAP
  84     return font_get(lcd_remote_getfont())->height;
  85 #else
  86     return 1;
  87 #endif
  88 }
  89
  90 static int screen_helper_remote_getnblines(void)
  91 {
  92     int height=screens[1].lcdheight;
  93 #ifdef HAVE_LCD_BITMAP
  94     if(global_settings.statusbar != STATUSBAR_OFF)
  95         height -= STATUSBAR_HEIGHT;
  96 #ifdef HAVE_BUTTONBAR
  97     if(global_settings.buttonbar && screens[1].has_buttonbar)
  98         height -= BUTTONBAR_HEIGHT;
  99 #endif
 100 #endif
 101     return height / screens[1].getcharheight();
 102 }
 103 #endif
 104
 105 struct screen screens[NB_SCREENS] =
 106 {
 107     {
 108         .screen_type=SCREEN_MAIN,
 109         .lcdwidth=LCD_WIDTH,
 110         .lcdheight=LCD_HEIGHT,
 111         .depth=LCD_DEPTH,
 112         .getnblines=&screen_helper_getnblines,
 113 #if defined(HAVE_LCD_COLOR)
 114         .is_color=true,
 115 #else
 116         .is_color=false,
 117 #endif
 118 #ifdef HAVE_LCD_BITMAP
 119         .pixel_format=LCD_PIXELFORMAT,
 120 #endif
 121         .getcharwidth=screen_helper_getcharwidth,
 122         .getcharheight=screen_helper_getcharheight,
 123 #if (CONFIG_LED == LED_VIRTUAL)
 124         .has_disk_led=false,
 125 #elif defined(HAVE_REMOTE_LCD)
 126         .has_disk_led=true,
 127 #endif
 128         .set_viewport=&lcd_set_viewport,
 129         .getwidth=&lcd_getwidth,
 130         .getheight=&lcd_getheight,
 131         .getstringsize=&lcd_getstringsize,
 132 #ifdef HAVE_LCD_BITMAP
 133         .setfont=&lcd_setfont,
 134         .getfont=&lcd_getfont,
 135         .mono_bitmap=&lcd_mono_bitmap,
 136         .mono_bitmap_part=&lcd_mono_bitmap_part,
 137         .set_drawmode=&lcd_set_drawmode,
 138         .bitmap=(screen_bitmap_func*)&lcd_bitmap,
 139         .bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 140 #if LCD_DEPTH <= 2
 141         /* No transparency yet for grayscale and mono lcd */
 142         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
 143         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 144 #else
 145         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
 146         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
 147 #endif
 148 #if LCD_DEPTH > 1
 149 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
 150         .color_to_native=&lcd_color_to_native,
 151 #endif
 152         .get_background=&lcd_get_background,
 153         .get_foreground=&lcd_get_foreground,
 154         .set_background=&lcd_set_background,
 155         .set_foreground=&lcd_set_foreground,
 156 #ifdef HAVE_LCD_COLOR
 157         .set_selector_start=&lcd_set_selector_start,
 158         .set_selector_end=&lcd_set_selector_end,
 159         .set_selector_text=&lcd_set_selector_text,
 160 #endif
 161 #endif /* LCD_DEPTH > 1 */
 162         .update_rect=&lcd_update_rect,
 163         .update_viewport_rect=&lcd_update_viewport_rect,
 164         .fillrect=&lcd_fillrect,
 165         .drawrect=&lcd_drawrect,
 166         .draw_border_viewport=&lcd_draw_border_viewport,
 167         .fill_viewport=&lcd_fill_viewport,
 168         .drawpixel=&lcd_drawpixel,
 169         .drawline=&lcd_drawline,
 170         .vline=&lcd_vline,
 171         .hline=&lcd_hline,
 172         .scroll_step=&lcd_scroll_step,
 173         .puts_style_offset=&lcd_puts_style_offset,
 174         .puts_style_xyoffset=&lcd_puts_style_xyoffset,
 175         .puts_scroll_style=&lcd_puts_scroll_style,
 176         .puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
 177         .puts_scroll_style_xyoffset=&lcd_puts_scroll_style_xyoffset,
 178 #endif /* HAVE_LCD_BITMAP */
 179
 180 #ifdef HAVE_LCD_CHARCELLS
 181         .double_height=&lcd_double_height,
 182         .putchar=&lcd_putc,
 183         .get_locked_pattern=&lcd_get_locked_pattern,
 184         .define_pattern=&lcd_define_pattern,
 185         .unlock_pattern=&lcd_unlock_pattern,
 186         .icon=&lcd_icon,
 187 #endif /* HAVE_LCD_CHARCELLS */
 188
 189         .putsxy=&lcd_putsxy,
 190         .puts=&lcd_puts,
 191         .putsf=&lcd_putsf,
 192         .puts_offset=&lcd_puts_offset,
 193         .puts_scroll=&lcd_puts_scroll,
 194         .puts_scroll_offset=&lcd_puts_scroll_offset,
 195         .scroll_speed=&lcd_scroll_speed,
 196         .scroll_delay=&lcd_scroll_delay,
 197         .stop_scroll=&lcd_stop_scroll,
 198         .clear_display=&lcd_clear_display,
 199         .clear_viewport=&lcd_clear_viewport,
 200         .scroll_stop=&lcd_scroll_stop,
 201         .scroll_stop_line=&lcd_scroll_stop_line,
 202         .update=&lcd_update,
 203         .update_viewport=&lcd_update_viewport,
 204         .backlight_on=&backlight_on,
 205         .backlight_off=&backlight_off,
 206         .is_backlight_on=&is_backlight_on,
 207         .backlight_set_timeout=&backlight_set_timeout,
 208 #if LCD_DEPTH > 1
 209         .backdrop_load=&backdrop_load,
 210         .backdrop_show=&backdrop_show,
 211 #endif
 212 #ifdef HAVE_BUTTONBAR
 213         .has_buttonbar=false,
 214 #endif
 215     },
 216 #if NB_SCREENS == 2
 217     {
 218         .screen_type=SCREEN_REMOTE,
 219         .lcdwidth=LCD_REMOTE_WIDTH,
 220         .lcdheight=LCD_REMOTE_HEIGHT,
 221         .depth=LCD_REMOTE_DEPTH,
 222         .getnblines=&screen_helper_remote_getnblines,
 223         .is_color=false,/* No color remotes yet */
 224         .pixel_format=LCD_REMOTE_PIXELFORMAT,
 225         .getcharwidth=screen_helper_remote_getcharwidth,
 226         .getcharheight=screen_helper_remote_getcharheight,
 227         .has_disk_led=false,
 228         .set_viewport=&lcd_remote_set_viewport,
 229         .getwidth=&lcd_remote_getwidth,
 230         .getheight=&lcd_remote_getheight,
 231         .getstringsize=&lcd_remote_getstringsize,
 232 #if 1 /* all remote LCDs are bitmapped so far */
 233         .setfont=&lcd_remote_setfont,
 234         .getfont=&lcd_remote_getfont,
 235         .mono_bitmap=&lcd_remote_mono_bitmap,
 236         .mono_bitmap_part=&lcd_remote_mono_bitmap_part,
 237         .bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 238         .bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 239         .set_drawmode=&lcd_remote_set_drawmode,
 240 #if LCD_REMOTE_DEPTH <= 2
 241         /* No transparency yet for grayscale and mono lcd */
 242         .transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 243         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 244         /* No colour remotes yet */
 245 #endif
 246 #if LCD_REMOTE_DEPTH > 1
 247 #if defined(HAVE_LCD_COLOR)
 248         .color_to_native=&lcd_remote_color_to_native,
 249 #endif
 250         .get_background=&lcd_remote_get_background,
 251         .get_foreground=&lcd_remote_get_foreground,
 252         .set_background=&lcd_remote_set_background,
 253         .set_foreground=&lcd_remote_set_foreground,
 254 #endif /* LCD_REMOTE_DEPTH > 1 */
 255         .update_rect=&lcd_remote_update_rect,
 256         .update_viewport_rect=&lcd_remote_update_viewport_rect,
 257         .fillrect=&lcd_remote_fillrect,
 258         .drawrect=&lcd_remote_drawrect,
 259         .draw_border_viewport=&lcd_remote_draw_border_viewport,
 260         .fill_viewport=&lcd_remote_fill_viewport,
 261         .drawpixel=&lcd_remote_drawpixel,
 262         .drawline=&lcd_remote_drawline,
 263         .vline=&lcd_remote_vline,
 264         .hline=&lcd_remote_hline,
 265         .scroll_step=&lcd_remote_scroll_step,
 266         .puts_style_offset=&lcd_remote_puts_style_offset,
 267         .puts_style_xyoffset=&lcd_remote_puts_style_xyoffset,
 268         .puts_scroll_style=&lcd_remote_puts_scroll_style,
 269         .puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
 270         .puts_scroll_style_xyoffset=&lcd_remote_puts_scroll_style_xyoffset,
 271 #endif /* 1 */
 272
 273 #if 0 /* no charcell remote LCDs so far */
 274         .double_height=&lcd_remote_double_height,
 275         .putc=&lcd_remote_putc,
 276         .get_locked_pattern=&lcd_remote_get_locked_pattern,
 277         .define_pattern=&lcd_remote_define_pattern,
 278         .icon=&lcd_remote_icon,
 279 #endif /* 0 */
 280         .putsxy=&lcd_remote_putsxy,
 281         .puts=&lcd_remote_puts,
 282         .putsf=&lcd_remote_putsf,
 283         .puts_offset=&lcd_remote_puts_offset,
 284         .puts_scroll=&lcd_remote_puts_scroll,
 285         .puts_scroll_offset=&lcd_remote_puts_scroll_offset,
 286         .scroll_speed=&lcd_remote_scroll_speed,
 287         .scroll_delay=&lcd_remote_scroll_delay,
 288         .stop_scroll=&lcd_remote_stop_scroll,
 289         .clear_display=&lcd_remote_clear_display,
 290         .clear_viewport=&lcd_remote_clear_viewport,
 291         .scroll_stop=&lcd_remote_scroll_stop,
 292         .scroll_stop_line=&lcd_remote_scroll_stop_line,
 293         .update=&lcd_remote_update,
 294         .update_viewport=&lcd_remote_update_viewport,
 295         .backlight_on=&remote_backlight_on,
 296         .backlight_off=&remote_backlight_off,
 297         .is_backlight_on=&is_remote_backlight_on,
 298         .backlight_set_timeout=&remote_backlight_set_timeout,
 299
 300 #if LCD_DEPTH > 1
 301         .backdrop_load=&remote_backdrop_load,
 302         .backdrop_show=&remote_backdrop_show,
 303 #endif
 304 #ifdef HAVE_BUTTONBAR
 305         .has_buttonbar=false,
 306 #endif
 307     }
 308 #endif /* HAVE_REMOTE_LCD */
 309 };
 310
 311 #ifdef HAVE_LCD_BITMAP
 312 void screen_clear_area(struct screen * display, int xstart, int ystart,
 313                        int width, int height)
 314 {
 315     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 316     display->fillrect(xstart, ystart, width, height);
 317     display->set_drawmode(DRMODE_SOLID);
 318 }
 319 #endif