diff options
Diffstat (limited to 'apps/plugins/lib/icon_helper.c')
-rw-r--r-- | apps/plugins/lib/icon_helper.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/apps/plugins/lib/icon_helper.c b/apps/plugins/lib/icon_helper.c new file mode 100644 index 0000000000..857bddb128 --- /dev/null +++ b/apps/plugins/lib/icon_helper.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2021 William Wilgus | ||
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 "plugin.h" | ||
23 | #include "icon_helper.h" | ||
24 | |||
25 | const unsigned char* cbmp_get_icon(unsigned int cbmp_fmt, unsigned int index, int *width, int *height) | ||
26 | { | ||
27 | const unsigned char* bmp = NULL; | ||
28 | while (cbmp_fmt < CBMP_BitmapFormatLast) | ||
29 | { | ||
30 | const struct cbmp_bitmap_info_entry *cbmp = &rb->core_bitmaps[cbmp_fmt]; | ||
31 | if (index > cbmp->count) | ||
32 | break; | ||
33 | int w = cbmp->width; | ||
34 | int h = cbmp->height; | ||
35 | /* ((height/CHAR_BIT) Should always be 1 thus far */ | ||
36 | |||
37 | off_t offset = (((unsigned)h/CHAR_BIT) * (index * w)); | ||
38 | bmp = cbmp->pbmp + offset; | ||
39 | |||
40 | if (width) | ||
41 | *width = w; | ||
42 | if (height) | ||
43 | *height = h; | ||
44 | break; | ||
45 | } | ||
46 | |||
47 | return bmp; | ||
48 | } | ||