blob: c85848c18bb63225950df52c860668a741f143df [file] [log] [blame]
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <time.h>
#include "screenhack.h"
#include "config.h"
#include "debug.h"
/*
* Specific implementations for X11, using the generic LCD API and data.
*/
#include "lcd-x11.h"
#include "lcd-playersim.h"
#if LCD_DEPTH == 2
#define YBLOCK 4
#define ANDBIT 3 /* AND with this to get the color number */
#else
#define YBLOCK 8
#define ANDBIT 1
#endif
extern void screen_resized(int width, int height);
extern bool lcd_display_redraw;
#ifdef HAVE_LCD_BITMAP
#if LCD_DEPTH==16
fb_data lcd_framebuffer_copy[LCD_HEIGHT][LCD_WIDTH*2];
#else
fb_data lcd_framebuffer_copy[LCD_HEIGHT/YBLOCK][LCD_WIDTH];
#endif
void lcd_update (void)
{
/* update a full screen rect */
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
}
void lcd_update_rect(int x_start, int y_start,
int width, int height)
{
int x;
int yline=y_start;
int y;
int p=0;
int bit;
int xmax;
int ymax;
int colors[LCD_WIDTH * LCD_HEIGHT];
struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
unsigned force_mask = lcd_display_redraw ? 0xFF : 0;
#if 0
fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
counter++, x_start, y_start, width, height);
#endif
/* The Y coordinates have to work on even YBLOCK pixel rows */
ymax = (yline + height)/YBLOCK;
yline /= YBLOCK;
xmax = x_start + width;
if(xmax > LCD_WIDTH)
xmax = LCD_WIDTH;
if(ymax >= LCD_HEIGHT/YBLOCK)
ymax = LCD_HEIGHT/YBLOCK-1;
for(; yline <= ymax; yline++) {
y = yline * YBLOCK;
for(x = x_start; x < xmax; x++) {
unsigned char diff = (lcd_framebuffer[yline][x]
^ lcd_framebuffer_copy[yline][x])
| force_mask;
if(diff) {
/* one or more bits/pixels are changed */
unsigned char mask = ANDBIT;
for(bit = 0; bit < YBLOCK; bit++) {
if(diff & mask) {
/* pixel has changed */
unsigned int col = lcd_framebuffer[yline][x] & mask;
#if LCD_DEPTH == 2
colors[p] = col >> (bit * LCD_DEPTH);
#else
colors[p] = col ? 3 : 0;
#endif
points[p].x = x + MARGIN_X;
points[p].y = y + bit + MARGIN_Y;
p++; /* increase the point counter */
}
mask <<= LCD_DEPTH;
}
/* update the copy */
lcd_framebuffer_copy[yline][x] = lcd_framebuffer[yline][x];
}
}
}
dots(colors, &points[0], p);
/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
XtAppLock(app);
XSync(dpy,False);
XtAppUnlock(app);
lcd_display_redraw=false;
}
#ifdef LCD_REMOTE_HEIGHT
extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
unsigned char lcd_remote_framebuffer_copy[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
#define REMOTE_START_Y (LCD_HEIGHT + 2*MARGIN_Y)
void lcd_remote_update (void)
{
lcd_remote_update_rect(0, 0, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT);
}
void lcd_remote_update_rect(int x_start, int y_start,
int width, int height)
{
int x;
int yline=y_start;
int y;
int p=0;
int bit;
int xmax;
int ymax;
struct coordinate points[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
int colors[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
unsigned force_mask = lcd_display_redraw ? 0xFF : 0;
#if 0
fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
counter++, x_start, y_start, width, height);
#endif
/* The Y coordinates have to work on even 8 pixel rows */
ymax = (yline + height)/8;
yline /= 8;
xmax = x_start + width;
if(xmax > LCD_REMOTE_WIDTH)
xmax = LCD_REMOTE_WIDTH;
if(ymax >= LCD_REMOTE_HEIGHT/8)
ymax = LCD_REMOTE_HEIGHT/8-1;
for(; yline <= ymax; yline++) {
y = yline * 8;
for(x = x_start; x < xmax; x++) {
unsigned char diff = (lcd_remote_framebuffer[yline][x]
^ lcd_remote_framebuffer_copy[yline][x])
| force_mask;
if(diff) {
unsigned char mask = 1;
for(bit = 0; bit < 8; bit++) {
if(diff & mask) {
unsigned int col = lcd_remote_framebuffer[yline][x] & mask;
colors[p] = col ? 3 : 0;
points[p].x = x + MARGIN_X;
points[p].y = y + bit + (REMOTE_START_Y + MARGIN_Y);
p++; /* increase the point counter */
}
mask <<= 1;
}
/* update the copy */
lcd_remote_framebuffer_copy[yline][x] =
lcd_remote_framebuffer[yline][x];
}
}
}
dots(colors, &points[0], p);
/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
XtAppLock(app);
XSync(dpy,False);
XtAppUnlock(app);
lcd_display_redraw=false;
}
#endif
#endif
#ifdef HAVE_LCD_CHARCELLS
/* Defined in lcd-playersim.c */
extern void lcd_print_char(int x, int y);
extern unsigned char lcd_buffer[2][11];
extern void drawrect(int color, int x1, int y1, int x2, int y2);
extern unsigned char hardware_buffer_lcd[11][2];
static unsigned char lcd_buffer_copy[11][2];
void lcd_update (void)
{
bool changed=false;
int x, y;
for (y=0; y<2; y++) {
for (x=0; x<11; x++) {
if (lcd_display_redraw ||
lcd_buffer_copy[x][y] != hardware_buffer_lcd[x][y]) {
lcd_buffer_copy[x][y] = hardware_buffer_lcd[x][y];
lcd_print_char(x, y);
changed=true;
}
}
}
if (changed)
{
XtAppLock(app);
XSync(dpy,False);
XtAppUnlock(app);
}
lcd_display_redraw=false;
}
#endif
#ifdef CONFIG_BACKLIGHT
void sim_backlight(int value)
{
DEBUGF("backlight: %s\n", (value > 0) ? "on" : "off");
}
#endif
#ifdef HAVE_REMOTE_LCD
void sim_remote_backlight(int value)
{
DEBUGF("remote backlight: %s\n", (value > 0) ? "on" : "off");
}
#endif