apps/credits.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Robert Hak <rhak at ramapo.edu>
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include "credits.h"
  21 #include "lcd.h"
  22 #include "font.h"
  23 #include "kernel.h"
  24 #include "button.h"
  25 #include "sprintf.h"
  26
  27 const char* const credits[] = {
  28 #include "credits.raw" /* generated list of names from docs/CREDITS */
  29 };
  30
  31 #ifdef HAVE_LCD_BITMAP
  32 #define MAX_LINES 7
  33 #define DISPLAY_TIME  HZ*2
  34 #else
  35 #define MAX_LINES 2
  36 #define DISPLAY_TIME  HZ
  37 #endif
  38
  39 #ifdef HAVE_LCD_CHARCELLS
  40 void roll_credits(void)
  41 {
  42     int i;
  43     int line = 0;
  44     int numnames = sizeof(credits)/sizeof(char*);
  45
  46     lcd_clear_display();
  47
  48     for ( i=0; i < numnames; i += MAX_LINES )
  49     {
  50         lcd_clear_display();
  51         for(line = 0;line < MAX_LINES && line+i < numnames;line++)
  52         {
  53             lcd_puts(0, line, credits[line+i]);
  54         }
  55
  56         /* abort on keypress */
  57         if (button_get_w_tmo(DISPLAY_TIME) & BUTTON_REL)
  58             return;
  59     }
  60     return;
  61 }
  62 #else
  63
  64 void roll_credits(void)
  65 {
  66     int i;
  67     int line = 0;
  68     int numnames = sizeof(credits)/sizeof(char*);
  69     char buffer[40];
  70
  71     int y=LCD_HEIGHT;
  72
  73     int height;
  74     int width;
  75
  76     lcd_setfont(FONT_UI);
  77
  78     lcd_getstringsize("A", &width, &height);
  79
  80     while(1) {
  81         lcd_clear_display();
  82         for ( i=0; i <= (LCD_HEIGHT-y)/height; i++ )
  83             lcd_putsxy(0, i*height+y, line+i<numnames?credits[line+i]:"");
  84         snprintf(buffer, sizeof(buffer), " [Credits] %2d/%2d  ",
  85                  line+1, numnames);
  86         lcd_clearrect(0, 0, LCD_WIDTH, height);
  87         lcd_putsxy(0, 0, buffer);
  88         lcd_update();
  89
  90         if (button_get_w_tmo(HZ/20) & BUTTON_REL)
  91             return;
  92
  93         y--;
  94
  95         if(y<0) {
  96             line++;
  97             if(line >= numnames)
  98                 break;
  99             y+=height;
 100         }
 101
 102     }
 103     return;
 104 }
 105 #endif