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Daniel Stenbergd20e6ee2002-03-26 10:06:28 +00001/***************************************************************************
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
Daniel Stenberg319d1f32002-03-26 10:59:39 +000020#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"
Björn Stenberg8b695042004-09-16 14:36:08 +000034#include "config.h"
Daniel Stenberg319d1f32002-03-26 10:59:39 +000035
Daniel Stenbergd20e6ee2002-03-26 10:06:28 +000036/*
Daniel Stenberg319d1f32002-03-26 10:59:39 +000037 * Specific implementations for X11, using the generic LCD API and data.
Daniel Stenbergd20e6ee2002-03-26 10:06:28 +000038 */
39
Daniel Stenberga1fd2552002-03-26 14:27:03 +000040#include "lcd-x11.h"
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +000041#include "lcd-playersim.h"
Daniel Stenberg319d1f32002-03-26 10:59:39 +000042
Jens Arnoldf894a4c2005-07-06 22:58:02 +000043#if LCD_DEPTH == 2
44#define YBLOCK 4
Daniel Stenberg98728132005-07-14 10:02:04 +000045#define ANDBIT 3 /* AND with this to get the color number */
Jens Arnoldf894a4c2005-07-06 22:58:02 +000046#else
47#define YBLOCK 8
Daniel Stenberg98728132005-07-14 10:02:04 +000048#define ANDBIT 1
Jens Arnoldf894a4c2005-07-06 22:58:02 +000049#endif
50
Björn Stenbergf9429cc2002-04-19 12:55:12 +000051extern void screen_resized(int width, int height);
Jens Arnold48be8e62005-10-23 23:49:46 +000052extern bool lcd_display_redraw;
Daniel Stenberg319d1f32002-03-26 10:59:39 +000053
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +000054#ifdef HAVE_LCD_BITMAP
Dave Chapmanfca01132005-11-14 02:11:26 +000055#if LCD_DEPTH==16
Daniel Stenberg95c00322005-11-17 07:17:03 +000056fb_data lcd_framebuffer_copy[LCD_HEIGHT][LCD_WIDTH*2];
Dave Chapmanfca01132005-11-14 02:11:26 +000057#else
Daniel Stenberg95c00322005-11-17 07:17:03 +000058fb_data lcd_framebuffer_copy[LCD_HEIGHT/YBLOCK][LCD_WIDTH];
Dave Chapmanfca01132005-11-14 02:11:26 +000059#endif
Daniel Stenbergc1543512002-04-27 23:41:41 +000060
Daniel Stenberg319d1f32002-03-26 10:59:39 +000061void lcd_update (void)
62{
Daniel Stenberg98728132005-07-14 10:02:04 +000063 /* update a full screen rect */
64 lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
Daniel Stenbergcd864072002-09-10 07:07:44 +000065}
66
67void lcd_update_rect(int x_start, int y_start,
68 int width, int height)
69{
70 int x;
71 int yline=y_start;
72 int y;
73 int p=0;
74 int bit;
Daniel Stenbergcd864072002-09-10 07:07:44 +000075 int xmax;
76 int ymax;
Daniel Stenberg98728132005-07-14 10:02:04 +000077 int colors[LCD_WIDTH * LCD_HEIGHT];
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +000078 struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
Jens Arnold48be8e62005-10-23 23:49:46 +000079 unsigned force_mask = lcd_display_redraw ? 0xFF : 0;
Daniel Stenbergcd864072002-09-10 07:07:44 +000080
Daniel Stenberg4ccffb62003-04-23 18:49:24 +000081#if 0
Daniel Stenbergae262332003-02-07 09:42:57 +000082 fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
83 counter++, x_start, y_start, width, height);
Daniel Stenberg4ccffb62003-04-23 18:49:24 +000084#endif
Jens Arnoldf894a4c2005-07-06 22:58:02 +000085 /* The Y coordinates have to work on even YBLOCK pixel rows */
86 ymax = (yline + height)/YBLOCK;
87 yline /= YBLOCK;
Jens Arnold74b731e2005-03-18 23:51:52 +000088
Daniel Stenbergcd864072002-09-10 07:07:44 +000089 xmax = x_start + width;
90
91 if(xmax > LCD_WIDTH)
92 xmax = LCD_WIDTH;
Jens Arnoldf894a4c2005-07-06 22:58:02 +000093 if(ymax >= LCD_HEIGHT/YBLOCK)
94 ymax = LCD_HEIGHT/YBLOCK-1;
Daniel Stenbergcd864072002-09-10 07:07:44 +000095
Jens Arnold48be8e62005-10-23 23:49:46 +000096 for(; yline <= ymax; yline++) {
Jens Arnoldf894a4c2005-07-06 22:58:02 +000097 y = yline * YBLOCK;
Jens Arnold48be8e62005-10-23 23:49:46 +000098 for(x = x_start; x < xmax; x++) {
99 unsigned char diff = (lcd_framebuffer[yline][x]
100 ^ lcd_framebuffer_copy[yline][x])
101 | force_mask;
102 if(diff) {
Daniel Stenbergcd864072002-09-10 07:07:44 +0000103 /* one or more bits/pixels are changed */
Jens Arnold48be8e62005-10-23 23:49:46 +0000104 unsigned char mask = ANDBIT;
105 for(bit = 0; bit < YBLOCK; bit++) {
106 if(diff & mask) {
107 /* pixel has changed */
108 unsigned int col = lcd_framebuffer[yline][x] & mask;
Daniel Stenberg98728132005-07-14 10:02:04 +0000109#if LCD_DEPTH == 2
Jens Arnold48be8e62005-10-23 23:49:46 +0000110 colors[p] = col >> (bit * LCD_DEPTH);
Daniel Stenberg98728132005-07-14 10:02:04 +0000111#else
Jens Arnold48be8e62005-10-23 23:49:46 +0000112 colors[p] = col ? 3 : 0;
Daniel Stenberg98728132005-07-14 10:02:04 +0000113#endif
Jens Arnold48be8e62005-10-23 23:49:46 +0000114 points[p].x = x + MARGIN_X;
115 points[p].y = y + bit + MARGIN_Y;
116 p++; /* increase the point counter */
117 }
118 mask <<= LCD_DEPTH;
Daniel Stenbergcd864072002-09-10 07:07:44 +0000119 }
120
121 /* update the copy */
Jörg Hohensohn5040cc52003-12-23 23:41:45 +0000122 lcd_framebuffer_copy[yline][x] = lcd_framebuffer[yline][x];
Daniel Stenbergcd864072002-09-10 07:07:44 +0000123 }
124 }
125 }
Daniel Stenbergc1543512002-04-27 23:41:41 +0000126
Daniel Stenberg98728132005-07-14 10:02:04 +0000127 dots(colors, &points[0], p);
Jens Arnold74b731e2005-03-18 23:51:52 +0000128 /* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
129 XtAppLock(app);
Björn Stenbergf9429cc2002-04-19 12:55:12 +0000130 XSync(dpy,False);
Jens Arnold74b731e2005-03-18 23:51:52 +0000131 XtAppUnlock(app);
Jens Arnold48be8e62005-10-23 23:49:46 +0000132 lcd_display_redraw=false;
Daniel Stenberg319d1f32002-03-26 10:59:39 +0000133}
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000134
135#ifdef LCD_REMOTE_HEIGHT
136extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
137unsigned char lcd_remote_framebuffer_copy[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
138
Jens Arnoldfc03c8e2005-10-23 13:06:25 +0000139#define REMOTE_START_Y (LCD_HEIGHT + 2*MARGIN_Y)
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000140
141void lcd_remote_update (void)
142{
Daniel Stenberg98728132005-07-14 10:02:04 +0000143 lcd_remote_update_rect(0, 0, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT);
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000144}
145
146void lcd_remote_update_rect(int x_start, int y_start,
147 int width, int height)
148{
149 int x;
150 int yline=y_start;
151 int y;
152 int p=0;
153 int bit;
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000154 int xmax;
155 int ymax;
Jens Arnold48be8e62005-10-23 23:49:46 +0000156 struct coordinate points[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
157 int colors[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
158 unsigned force_mask = lcd_display_redraw ? 0xFF : 0;
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000159
160#if 0
161 fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
162 counter++, x_start, y_start, width, height);
163#endif
164 /* The Y coordinates have to work on even 8 pixel rows */
165 ymax = (yline + height)/8;
166 yline /= 8;
167
168 xmax = x_start + width;
169
170 if(xmax > LCD_REMOTE_WIDTH)
171 xmax = LCD_REMOTE_WIDTH;
172 if(ymax >= LCD_REMOTE_HEIGHT/8)
173 ymax = LCD_REMOTE_HEIGHT/8-1;
174
Jens Arnold48be8e62005-10-23 23:49:46 +0000175 for(; yline <= ymax; yline++) {
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000176 y = yline * 8;
Jens Arnold48be8e62005-10-23 23:49:46 +0000177 for(x = x_start; x < xmax; x++) {
178 unsigned char diff = (lcd_remote_framebuffer[yline][x]
179 ^ lcd_remote_framebuffer_copy[yline][x])
180 | force_mask;
181 if(diff) {
182 unsigned char mask = 1;
183 for(bit = 0; bit < 8; bit++) {
184 if(diff & mask) {
185 unsigned int col = lcd_remote_framebuffer[yline][x] & mask;
186 colors[p] = col ? 3 : 0;
Jens Arnoldfc03c8e2005-10-23 13:06:25 +0000187 points[p].x = x + MARGIN_X;
Jens Arnold48be8e62005-10-23 23:49:46 +0000188 points[p].y = y + bit + (REMOTE_START_Y + MARGIN_Y);
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000189 p++; /* increase the point counter */
190 }
Jens Arnold48be8e62005-10-23 23:49:46 +0000191 mask <<= 1;
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000192 }
Daniel Stenberg98728132005-07-14 10:02:04 +0000193
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000194 /* update the copy */
195 lcd_remote_framebuffer_copy[yline][x] =
196 lcd_remote_framebuffer[yline][x];
197 }
198 }
199 }
200
Daniel Stenberg98728132005-07-14 10:02:04 +0000201 dots(colors, &points[0], p);
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000202 /* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
203 XtAppLock(app);
204 XSync(dpy,False);
205 XtAppUnlock(app);
Jens Arnold48be8e62005-10-23 23:49:46 +0000206 lcd_display_redraw=false;
Daniel Stenbergac31e6a2005-05-23 16:23:25 +0000207}
208
209
210#endif
211
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000212#endif
213#ifdef HAVE_LCD_CHARCELLS
Daniel Stenbergcd864072002-09-10 07:07:44 +0000214
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000215/* Defined in lcd-playersim.c */
216extern void lcd_print_char(int x, int y);
217extern unsigned char lcd_buffer[2][11];
218extern void drawrect(int color, int x1, int y1, int x2, int y2);
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000219
Kjell Ericson1cb80612003-01-10 10:03:07 +0000220extern unsigned char hardware_buffer_lcd[11][2];
221static unsigned char lcd_buffer_copy[11][2];
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000222
223void lcd_update (void)
224{
Jens Arnold31b28f52005-03-18 00:03:22 +0000225 bool changed=false;
226 int x, y;
227 for (y=0; y<2; y++) {
228 for (x=0; x<11; x++) {
229 if (lcd_display_redraw ||
230 lcd_buffer_copy[x][y] != hardware_buffer_lcd[x][y]) {
231 lcd_buffer_copy[x][y] = hardware_buffer_lcd[x][y];
232 lcd_print_char(x, y);
233 changed=true;
234 }
235 }
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000236 }
Jens Arnold31b28f52005-03-18 00:03:22 +0000237 if (changed)
Jens Arnold74b731e2005-03-18 23:51:52 +0000238 {
239 XtAppLock(app);
Jens Arnold31b28f52005-03-18 00:03:22 +0000240 XSync(dpy,False);
Jens Arnold74b731e2005-03-18 23:51:52 +0000241 XtAppUnlock(app);
242 }
Jens Arnold31b28f52005-03-18 00:03:22 +0000243 lcd_display_redraw=false;
Kjell Ericsonf7a4b2b2002-10-28 20:08:40 +0000244}
245
246#endif