A modern Music Player Daemon based on Rockbox open source high quality audio player
tsiry-sandratraina.com
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1--[[ Lua Draw Text function
2/***************************************************************************
3 * __________ __ ___.
4 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
5 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
6 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
7 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
8 * \/ \/ \/ \/ \/
9 * $Id$
10 *
11 * Copyright (C) 2017 William Wilgus
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22]]
23-- draw text onto image if width/height are supplied text is centered
24
25if not rb.lcd_framebuffer then rb.splash(rb.HZ, "No Support!") return nil end
26do
27 -- Internal Constants
28 local rocklib_image = getmetatable(rb.lcd_framebuffer())
29 local _LCD = rb.lcd_framebuffer()
30 local LCD_W, LCD_H = rb.LCD_WIDTH, rb.LCD_HEIGHT
31 local BSAND = 8 -- blits color to dst if src <> 0
32 local _NIL = nil -- nil placeholder
33
34 local _clear = rocklib_image.clear
35 local _copy = rocklib_image.copy
36 local _newimg = rb.new_image
37
38
39 return function(img, x, y, width, height, font, color, text)
40 font = font or rb.FONT_UI
41
42
43 if rb.lcd_rgbpack ~= _NIL then -- Color target
44 rb.set_viewport(img, {fg_pattern = color, font = font, drawmode = 2})--DRMODE_FG
45 else
46 if color ~= 0 then color = 3 end--DRMODE_SOLID
47 rb.set_viewport(img, {font = font, drawmode = color})
48 end
49
50 if width or height then
51 local res, w, h = rb.font_getstringsize(text, font)
52
53 if not width then
54 width = 0
55 else
56 width = (width - w) / 2
57 end
58
59 if not height then
60 height = 0
61 else
62 height = (height - h) / 2
63 end
64 x = width + x
65 y = height + y
66
67 end
68
69 rb.lcd_putsxy(x, y, text)
70
71 rb.set_viewport() -- set viewport default
72 return res, w, h
73 end
74end