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Diffstat (limited to 'apps/plugins/lib/gray_scroll_up8.c')
-rw-r--r--apps/plugins/lib/gray_scroll_up8.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/apps/plugins/lib/gray_scroll_up8.c b/apps/plugins/lib/gray_scroll_up8.c
deleted file mode 100644
index b181673f22..0000000000
--- a/apps/plugins/lib/gray_scroll_up8.c
+++ /dev/null
@@ -1,69 +0,0 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Grayscale framework
11* gray_scroll_up8() function
12*
13* This is a generic framework to use grayscale display within Rockbox
14* plugins. It obviously does not work for the player.
15*
16* Copyright (C) 2004 Jens Arnold
17*
18* All files in this archive are subject to the GNU General Public License.
19* See the file COPYING in the source tree root for full license agreement.
20*
21* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22* KIND, either express or implied.
23*
24****************************************************************************/
25
26#ifndef SIMULATOR /* not for simulator by now */
27#include "plugin.h"
28
29#ifdef HAVE_LCD_BITMAP /* and also not for the Player */
30#include "gray.h"
31
32/*---------------------------------------------------------------------------
33 Scroll the whole grayscale buffer up by 8 pixels
34 ----------------------------------------------------------------------------
35 black_border determines if the pixels scrolled in at the bottom are black
36 or white
37
38 Scrolling up/down by 8 pixels is very fast.
39 */
40void gray_scroll_up8(bool black_border)
41{
42 int by, d;
43 unsigned filler;
44 unsigned char *ptr;
45
46 filler = black_border ? 0xFF : 0;
47
48 /* Scroll row by row to minimize flicker (byte rows = 8 pixels each) */
49 for (by = 1; by < _graybuf->bheight; by++)
50 {
51 ptr = _graybuf->data + MULU16(_graybuf->width, by);
52 for (d = 0; d < _graybuf->depth; d++)
53 {
54 _gray_rb->memcpy(ptr - _graybuf->width, ptr, _graybuf->width);
55 ptr += _graybuf->plane_size;
56 }
57 }
58 /* fill last row */
59 ptr = _graybuf->data + _graybuf->plane_size - _graybuf->width;
60 for (d = 0; d < _graybuf->depth; d++)
61 {
62 _gray_rb->memset(ptr, filler, _graybuf->width);
63 ptr += _graybuf->plane_size;
64 }
65}
66
67#endif // #ifdef HAVE_LCD_BITMAP
68#endif // #ifndef SIMULATOR
69