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Diffstat (limited to 'apps/plugins/lib/gray_screendump.c')
-rw-r--r--apps/plugins/lib/gray_screendump.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/apps/plugins/lib/gray_screendump.c b/apps/plugins/lib/gray_screendump.c
deleted file mode 100644
index fdc88b8547..0000000000
--- a/apps/plugins/lib/gray_screendump.c
+++ /dev/null
@@ -1,141 +0,0 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Grayscale framework
11* gray_screendump() 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
32static const unsigned char bmpheader[] =
33{
34 0x42, 0x4d, 0xba, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, 0x00,
35 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x40, 0x00,
36 0x00, 0x00, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c,
37 0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0x21, 0x00,
38 0x00, 0x00, 0x21, 0x00, 0x00, 0x00
39};
40
41static unsigned char linebuf[LCD_WIDTH];
42
43/*---------------------------------------------------------------------------
44 Save the current display content (b&w and grayscale overlay) to an 8-bit
45 BMP file in the root directory
46 ----------------------------------------------------------------------------
47 *
48 * This one is rather slow if used with larger bit depths, but it's intended
49 * primary use is for documenting the grayscale plugins. A much faster version
50 * would be possible, but would take more than twice the RAM
51 */
52void gray_screendump(void)
53{
54 int fh, i, bright;
55 int x, y, by, mask;
56 int gx, gby;
57
58 char filename[MAX_PATH];
59 struct tm *tm = _gray_rb->get_time();
60
61 unsigned char *lcdptr, *grayptr, *grayptr2;
62
63 _gray_rb->snprintf(filename, MAX_PATH,
64 "/graydump %04d-%02d-%02d %02d-%02d-%02d.bmp",
65 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
66 tm->tm_hour, tm->tm_min, tm->tm_sec);
67 fh = _gray_rb->creat(filename, O_WRONLY);
68
69 if (fh < 0)
70 return;
71
72 _gray_rb->write(fh, bmpheader, sizeof(bmpheader)); /* write header */
73
74 /* build clut, always 33 entries */
75
76 linebuf[3] = 0;
77
78 for (i = 0; i < 33; i++)
79 {
80 bright = MIN(i, _graybuf->depth);
81 linebuf[0] = linebuf[2] = MULU16(0x90, bright) / _graybuf->depth;
82 linebuf[1] = MULU16(0xee, bright) / _graybuf->depth;
83 _gray_rb->write(fh, linebuf, 4);
84 }
85
86 /* 8-bit BMP image goes bottom -> top */
87
88 for (y = LCD_HEIGHT - 1; y >= 0; y--)
89 {
90 _gray_rb->memset(linebuf, 32, sizeof(linebuf)); /* max. brightness */
91
92 mask = 1 << (y & 7);
93 by = y / 8;
94 lcdptr = _gray_rb->lcd_framebuffer + MULU16(LCD_WIDTH, by);
95 gby = by - _graybuf->by;
96
97 if ((_graybuf->flags & _GRAY_RUNNING)
98 && (unsigned) gby < (unsigned) _graybuf->bheight)
99 {
100 /* line contains grayscale (and maybe b&w) graphics */
101 grayptr = _graybuf->data + MULU16(_graybuf->width, gby);
102
103 for (x = 0; x < LCD_WIDTH; x++)
104 {
105 if (*lcdptr++ & mask)
106 linebuf[x] = 0;
107
108 gx = x - _graybuf->x;
109
110 if ((unsigned) gx < (unsigned) _graybuf->width)
111 {
112 bright = 0;
113 grayptr2 = grayptr + gx;
114
115 for (i = 0; i < _graybuf->depth; i++)
116 {
117 if (!(*grayptr2 & mask))
118 bright++;
119 grayptr2 += _graybuf->plane_size;
120 }
121 linebuf[x] = bright;
122 }
123 }
124 }
125 else
126 {
127 /* line contains only b&w graphics */
128 for (x = 0; x < LCD_WIDTH; x++)
129 if (*lcdptr++ & mask)
130 linebuf[x] = 0;
131 }
132
133 _gray_rb->write(fh, linebuf, sizeof(linebuf));
134 }
135
136 _gray_rb->close(fh);
137}
138
139#endif // #ifdef HAVE_LCD_BITMAP
140#endif // #ifndef SIMULATOR
141