apps/plugins/test_viewports.lua

   1 --[[
   2              __________               __   ___.
   3    Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4    Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5    Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6    Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7                      \/            \/     \/    \/            \/
   8  $Id$
   9
  10  Port of test_viewports.c to Lua
  11
  12  Copyright (C) 2009 by Maurus Cuelenaere
  13
  14  This program is free software; you can redistribute it and/or
  15  modify it under the terms of the GNU General Public License
  16  as published by the Free Software Foundation; either version 2
  17  of the License, or (at your option) any later version.
  18
  19  This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20  KIND, either express or implied.
  21
  22 ]]--
  23
  24 -- TODO: outsource this
  25 rb.DRMODE_SOLID = 3
  26 rb.LCD_BLACK = rb.lcd_rgbpack(0, 0, 0)
  27 rb.LCD_WHITE = rb.lcd_rgbpack(255, 255, 255)
  28 rb.LCD_DEFAULT_FG = rb.LCD_WHITE
  29 rb.LCD_DEFAULT_BG = rb.LCD_BLACK
  30
  31 BGCOLOR_1 = rb.lcd_rgbpack(255,255,0)
  32 BGCOLOR_2 = rb.lcd_rgbpack(0,255,0)
  33 FGCOLOR_1 = rb.lcd_rgbpack(0,0,255)
  34
  35 local vp0 =
  36 {
  37     x        = 0,
  38     y        = 0,
  39     width    = rb.LCD_WIDTH,
  40     height   = 20,
  41     font     = rb.FONT_UI,
  42     drawmode = rb.DRMODE_SOLID,
  43     fg_pattern = rb.LCD_DEFAULT_FG,
  44     bg_pattern = BGCOLOR_1
  45 }
  46
  47 local vp1 =
  48 {
  49     x        = rb.LCD_WIDTH / 10,
  50     y        = 20,
  51     width    = rb.LCD_WIDTH / 3,
  52     height   = rb.LCD_HEIGHT / 2,
  53     font     = rb.FONT_SYSFIXED,
  54     drawmode = rb.DRMODE_SOLID,
  55     fg_pattern = rb.LCD_DEFAULT_FG,
  56     bg_pattern = rb.LCD_DEFAULT_BG
  57 };
  58
  59 local vp2 =
  60 {
  61     x        = rb.LCD_WIDTH / 2,
  62     y        = 40,
  63     width    = rb.LCD_WIDTH / 3,
  64     height   = (rb.LCD_HEIGHT / 2),
  65     font     = rb.FONT_UI,
  66     drawmode = rb.DRMODE_SOLID,
  67     fg_pattern = FGCOLOR_1,
  68     bg_pattern = BGCOLOR_2
  69 };
  70
  71
  72 local vp3 =
  73 {
  74     x        = rb.LCD_WIDTH / 4,
  75     y        = (5 * rb.LCD_HEIGHT) / 8,
  76     width    = rb.LCD_WIDTH / 2,
  77     height   = (rb.LCD_HEIGHT / 4),
  78     font     = rb.FONT_SYSFIXED,
  79     drawmode = rb.DRMODE_SOLID,
  80     fg_pattern = rb.LCD_BLACK,
  81     bg_pattern = rb.LCD_WHITE
  82 };
  83
  84 rb.set_viewport(vp0)
  85 rb.clear_viewport()
  86 rb.lcd_puts_scroll(0,0,"Viewport testing plugin - this is a scrolling title")
  87
  88 rb.set_viewport(vp1);
  89 rb.clear_viewport();
  90
  91 for i = 0, 3 do
  92     rb.lcd_puts_scroll(0,i,string.format("Left text, scrolling_line %d",i));
  93 end
  94
  95 rb.set_viewport(vp2);
  96 rb.clear_viewport();
  97 for i = 0, 3 do
  98     rb.lcd_puts_scroll(1,i,string.format("Right text, scrolling line %d",i));
  99 end
 100
 101 local y = -10
 102 for i = -10, vp2.width + 10, 5 do
 103     rb.lcd_drawline(i, y, i, vp2.height - y);
 104 end
 105
 106 rb.set_viewport(vp3);
 107 rb.clear_viewport();
 108 for i = 1, 2 do
 109     rb.lcd_puts_scroll(2,i,string.format("Bottom text, a scrolling line %d",i));
 110 end
 111 rb.lcd_puts_scroll(4,3,"Short line")
 112 rb.lcd_update()
 113
 114 rb.button_get(true)
 115
 116 rb.set_viewport(nil)