9872813c7d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7137 a1c6a512-1295-4272-9138-f99709370657
249 lines
7 KiB
C
249 lines
7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <ctype.h>
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#include <time.h>
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#include "screenhack.h"
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#include "config.h"
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/*
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* Specific implementations for X11, using the generic LCD API and data.
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*/
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#include "lcd-x11.h"
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#include "lcd-playersim.h"
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#if LCD_DEPTH == 2
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#define YBLOCK 4
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#define BITOFFS 1 /* take the MSB of each pixel */
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#define ANDBIT 3 /* AND with this to get the color number */
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#else
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#define YBLOCK 8
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#define BITOFFS 0
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#define ANDBIT 1
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#endif
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extern void screen_resized(int width, int height);
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#ifdef HAVE_LCD_BITMAP
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extern unsigned char lcd_framebuffer[LCD_HEIGHT/YBLOCK][LCD_WIDTH];
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unsigned char lcd_framebuffer_copy[LCD_HEIGHT/YBLOCK][LCD_WIDTH];
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void lcd_update (void)
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{
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/* update a full screen rect */
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lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
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}
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void lcd_update_rect(int x_start, int y_start,
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int width, int height)
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{
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int x;
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int yline=y_start;
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int y;
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int p=0;
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int bit;
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int xmax;
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int ymax;
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int colors[LCD_WIDTH * LCD_HEIGHT];
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struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
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#if 0
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fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
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counter++, x_start, y_start, width, height);
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#endif
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/* The Y coordinates have to work on even YBLOCK pixel rows */
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ymax = (yline + height)/YBLOCK;
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yline /= YBLOCK;
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xmax = x_start + width;
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if(xmax > LCD_WIDTH)
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xmax = LCD_WIDTH;
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if(ymax >= LCD_HEIGHT/YBLOCK)
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ymax = LCD_HEIGHT/YBLOCK-1;
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for(; yline<=ymax; yline++) {
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y = yline * YBLOCK;
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for(x=x_start; x<xmax; x++) {
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if(lcd_framebuffer[yline][x] != lcd_framebuffer_copy[yline][x]) {
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/* one or more bits/pixels are changed */
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for(bit=0; bit<YBLOCK; bit++) {
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unsigned int col;
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col = lcd_framebuffer[yline][x]&(ANDBIT<<(bit*LCD_DEPTH));
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#if LCD_DEPTH == 2
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/* shift down the value to the lower bits */
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col >>= (bit * LCD_DEPTH);
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/* set a dot */
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colors[p] = col;
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#else
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colors[p] = col?3:0;
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#endif
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points[p].x = x + MARGIN_X;
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points[p].y = y+bit + MARGIN_Y;
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p++; /* increase the point counter */
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}
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/* update the copy */
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lcd_framebuffer_copy[yline][x] = lcd_framebuffer[yline][x];
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}
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}
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}
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dots(colors, &points[0], p);
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/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
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XtAppLock(app);
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XSync(dpy,False);
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XtAppUnlock(app);
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}
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#ifdef LCD_REMOTE_HEIGHT
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extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
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unsigned char lcd_remote_framebuffer_copy[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
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#define REMOTE_MARGIN_X 2
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#define REMOTE_MARGIN_Y (LCD_HEIGHT + 2 + MARGIN_Y)
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void lcd_remote_update (void)
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{
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lcd_remote_update_rect(0, 0, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT);
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}
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void lcd_remote_update_rect(int x_start, int y_start,
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int width, int height)
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{
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int x;
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int yline=y_start;
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int y;
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int p=0;
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int bit;
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int xmax;
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int ymax;
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struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
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int colors[LCD_WIDTH * LCD_HEIGHT];
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#if 0
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fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
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counter++, x_start, y_start, width, height);
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#endif
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/* The Y coordinates have to work on even 8 pixel rows */
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ymax = (yline + height)/8;
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yline /= 8;
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xmax = x_start + width;
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if(xmax > LCD_REMOTE_WIDTH)
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xmax = LCD_REMOTE_WIDTH;
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if(ymax >= LCD_REMOTE_HEIGHT/8)
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ymax = LCD_REMOTE_HEIGHT/8-1;
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for(; yline<=ymax; yline++) {
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y = yline * 8;
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for(x=x_start; x<xmax; x++) {
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if(lcd_remote_framebuffer[yline][x] ||
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lcd_remote_framebuffer_copy[yline][x]) {
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/* one or more bits/pixels are changed */
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unsigned char diff =
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lcd_remote_framebuffer[yline][x] ^
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lcd_remote_framebuffer_copy[yline][x];
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for(bit=0; bit<8; bit++) {
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if(lcd_remote_framebuffer[yline][x]&(1<<bit)) {
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/* set a dot */
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colors[p]=3;
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points[p].x = x + REMOTE_MARGIN_X;
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points[p].y = y+bit + REMOTE_MARGIN_Y;
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p++; /* increase the point counter */
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}
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else if(diff &(1<<bit)) {
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/* clear a dot */
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colors[p]=0;
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points[p].x = x + REMOTE_MARGIN_X;
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points[p].y = y+bit + REMOTE_MARGIN_Y;
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p++; /* increase the point counter */
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}
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}
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/* update the copy */
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lcd_remote_framebuffer_copy[yline][x] =
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lcd_remote_framebuffer[yline][x];
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}
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}
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}
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dots(colors, &points[0], p);
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/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
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XtAppLock(app);
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XSync(dpy,False);
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XtAppUnlock(app);
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}
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#endif
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#endif
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#ifdef HAVE_LCD_CHARCELLS
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/* Defined in lcd-playersim.c */
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extern void lcd_print_char(int x, int y);
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extern unsigned char lcd_buffer[2][11];
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extern void drawrect(int color, int x1, int y1, int x2, int y2);
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extern bool lcd_display_redraw;
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extern unsigned char hardware_buffer_lcd[11][2];
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static unsigned char lcd_buffer_copy[11][2];
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void lcd_update (void)
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{
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bool changed=false;
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int x, y;
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for (y=0; y<2; y++) {
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for (x=0; x<11; x++) {
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if (lcd_display_redraw ||
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lcd_buffer_copy[x][y] != hardware_buffer_lcd[x][y]) {
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lcd_buffer_copy[x][y] = hardware_buffer_lcd[x][y];
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lcd_print_char(x, y);
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changed=true;
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}
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}
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}
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if (changed)
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{
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XtAppLock(app);
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XSync(dpy,False);
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XtAppUnlock(app);
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}
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lcd_display_redraw=false;
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}
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#endif
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