diff options
Diffstat (limited to 'uisimulator/x11/lcd-x11.c')
-rw-r--r-- | uisimulator/x11/lcd-x11.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/uisimulator/x11/lcd-x11.c b/uisimulator/x11/lcd-x11.c new file mode 100644 index 0000000000..9659426f02 --- /dev/null +++ b/uisimulator/x11/lcd-x11.c | |||
@@ -0,0 +1,109 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se> | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #include <stdio.h> | ||
21 | #include <string.h> | ||
22 | #include <stdarg.h> | ||
23 | #include <stdlib.h> | ||
24 | #include <ctype.h> | ||
25 | #include <sys/types.h> | ||
26 | #include <sys/stat.h> | ||
27 | #include <fcntl.h> | ||
28 | |||
29 | #include <errno.h> | ||
30 | #include <ctype.h> | ||
31 | #include <time.h> | ||
32 | |||
33 | #include "screenhack.h" | ||
34 | |||
35 | /* | ||
36 | * Specific implementations for X11, using the generic LCD API and data. | ||
37 | */ | ||
38 | |||
39 | #include "lcd-x11.h" | ||
40 | |||
41 | extern unsigned char display[LCD_WIDTH][LCD_HEIGHT/8]; | ||
42 | extern void screen_resized(int width, int height); | ||
43 | extern Display *dpy; | ||
44 | |||
45 | unsigned char display_copy[LCD_WIDTH][LCD_HEIGHT/8]; | ||
46 | |||
47 | void lcd_update (void) | ||
48 | { | ||
49 | int x, y; | ||
50 | int p=0; | ||
51 | int bit; | ||
52 | XPoint points[LCD_WIDTH * LCD_HEIGHT]; | ||
53 | int cp=0; | ||
54 | XPoint clearpoints[LCD_WIDTH * LCD_HEIGHT]; | ||
55 | |||
56 | #if 0 | ||
57 | screen_resized(LCD_WIDTH, LCD_HEIGHT); | ||
58 | |||
59 | for(y=0; y<LCD_HEIGHT; y+=8) { | ||
60 | for(x=0; x<LCD_WIDTH; x++) { | ||
61 | if(display[x][y/8]) { | ||
62 | /* one or more bits/pixels are set */ | ||
63 | for(bit=0; bit<8; bit++) { | ||
64 | if(display[x][y/8]&(1<<bit)) { | ||
65 | points[p].x = x + MARGIN_X; | ||
66 | points[p].y = y+bit + MARGIN_Y; | ||
67 | p++; /* increase the point counter */ | ||
68 | } | ||
69 | } | ||
70 | } | ||
71 | } | ||
72 | } | ||
73 | #else | ||
74 | for(y=0; y<LCD_HEIGHT; y+=8) { | ||
75 | for(x=0; x<LCD_WIDTH; x++) { | ||
76 | if(display[x][y/8] || display_copy[x][y/8]) { | ||
77 | /* one or more bits/pixels are changed */ | ||
78 | unsigned char diff = | ||
79 | display[x][y/8] ^ display_copy[x][y/8]; | ||
80 | |||
81 | for(bit=0; bit<8; bit++) { | ||
82 | if(display[x][y/8]&(1<<bit)) { | ||
83 | /* set a dot */ | ||
84 | points[p].x = x + MARGIN_X; | ||
85 | points[p].y = y+bit + MARGIN_Y; | ||
86 | p++; /* increase the point counter */ | ||
87 | } | ||
88 | else if(diff &(1<<bit)) { | ||
89 | /* clear a dot */ | ||
90 | clearpoints[cp].x = x + MARGIN_X; | ||
91 | clearpoints[cp].y = y+bit + MARGIN_Y; | ||
92 | cp++; /* increase the point counter */ | ||
93 | } | ||
94 | } | ||
95 | } | ||
96 | } | ||
97 | } | ||
98 | |||
99 | /* copy a huge block */ | ||
100 | memcpy(display_copy, display, sizeof(display)); | ||
101 | |||
102 | #endif | ||
103 | |||
104 | |||
105 | drawdots(1, &points[0], p); | ||
106 | drawdots(0, &clearpoints[0], cp); | ||
107 | fprintf(stderr, "lcd_update: Draws %d pixels, clears %d pixels\n", p, cp); | ||
108 | XSync(dpy,False); | ||
109 | } | ||