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Diffstat (limited to 'apps/plugins/lib/gray_fillrect.c')
-rw-r--r--apps/plugins/lib/gray_fillrect.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/apps/plugins/lib/gray_fillrect.c b/apps/plugins/lib/gray_fillrect.c
deleted file mode 100644
index ac6d4818b9..0000000000
--- a/apps/plugins/lib/gray_fillrect.c
+++ /dev/null
@@ -1,92 +0,0 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Grayscale framework
11* gray_fillrect() 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 Draw a filled rectangle with the current drawinfo
34 ----------------------------------------------------------------------------
35 See gray_drawpixel() for details
36
37 This one uses the block drawing optimization, so it is rather fast.
38 */
39void gray_fillrect(int x, int y, int nx, int ny)
40{
41 int shift;
42 unsigned bits, mask_top, mask_bottom;
43 unsigned char *dst, *dst_row;
44 void (*blockfunc)(unsigned char *address, unsigned mask, unsigned bits);
45
46 if ((unsigned) x >= (unsigned) _graybuf->width
47 || (unsigned) y >= (unsigned) _graybuf->height)
48 return;
49
50 if ((unsigned) (y + ny) >= (unsigned) _graybuf->height) /* clip bottom */
51 ny = _graybuf->height - y;
52
53 if ((unsigned) (x + nx) >= (unsigned) _graybuf->width) /* clip right */
54 nx = _graybuf->width - x;
55
56 dst = _graybuf->data + x + MULU16(_graybuf->width, y >> 3);
57 shift = y & 7;
58 ny += shift;
59
60 mask_top = 0xFFu << (y & 7);
61 mask_bottom = ~(0xFEu << ((ny - 1) & 7));
62 if (ny <= 8)
63 mask_bottom &= mask_top;
64
65 blockfunc = _gray_blockfuncs[_graybuf->drawmode];
66 bits = (_graybuf->drawmode == GRAY_DRAW_BG) ? 0u : 0xFFu;
67
68 if (ny > 8)
69 {
70 dst_row = dst;
71 for (x = 0; x < nx; x++)
72 blockfunc(dst_row++, mask_top, bits);
73
74 dst += _graybuf->width;
75
76 for (y = 8; y < ny - 8; y += 8)
77 {
78 dst_row = dst;
79 for (x = 0; x < nx; x++)
80 blockfunc(dst_row++, 0xFFu, bits);
81
82 dst += _graybuf->width;
83 }
84 }
85
86 for (x = 0; x < nx; x++)
87 blockfunc(dst++, mask_bottom, bits);
88}
89
90#endif // #ifdef HAVE_LCD_BITMAP
91#endif // #ifndef SIMULATOR
92