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rockbox/uisimulator/sdl/lcd-x11.c
Daniel Stenberg 0e419987e4 SDL simulator brought by Nathan Hand and Nick Lanham. This is added as a third 
simulator with the hope that once it works fine, we can remove the other two
and only have one unified simulator.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8312 a1c6a512-1295-4272-9138-f99709370657
2006-01-09 11:22:36 +00:00

210 lines
6.1 KiB
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/***************************************************************************
* __________ __ ___.
* 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"
/*
* Specific implementations for X11, using the generic LCD API and data.
*/
#include "lcd-x11.h"
#include "lcd-playersim.h"
#include <SDL.h>
extern SDL_Surface *surface;
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][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 y;
int p=0;
int xmax;
int ymax;
int colors[LCD_WIDTH * LCD_HEIGHT];
struct coordinate points[LCD_WIDTH * LCD_HEIGHT];
#if 0
fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
counter++, x_start, y_start, width, height);
#endif
ymax = y_start + height;
xmax = x_start + width;
if(xmax > LCD_WIDTH)
xmax = LCD_WIDTH;
if(ymax >= LCD_HEIGHT)
ymax = LCD_HEIGHT;
for (x = x_start; x < xmax; x++)
for (y = y_start; y < ymax; y++)
{
#if LCD_DEPTH == 1
Uint32 sdl_white = SDL_MapRGB(surface->format, 255, 255, 255);
Uint32 sdl_black = SDL_MapRGB(surface->format, 0, 0, 0);
points[p].x = x + MARGIN_X;
points[p].y = y + MARGIN_Y;
colors[p] = ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1) ? sdl_black : sdl_white;
#elif LCD_DEPTH == 2
unsigned gray = ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3) << 6;
points[p].x = x + MARGIN_X;
points[p].y = y + MARGIN_Y;
colors[p] = SDL_MapRGB(surface->format, 255-gray, 255-gray, 255-gray);
#elif LCD_DEPTH == 16
#if LCD_PIXELFORMAT == RGB565SWAPPED
unsigned b = ((lcd_framebuffer[y][x] >> 11) & 0x1f) << 3;
unsigned g = ((lcd_framebuffer[y][x] >> 5) & 0x3f) << 2;
unsigned r = ((lcd_framebuffer[y][x]) & 0x1f) << 3;
points[p].x = x + MARGIN_X;
points[p].y = y + MARGIN_Y;
colors[p] = SDL_MapRGB(surface->format, r, g, b);
#else
unsigned r = ((lcd_framebuffer[y][x] >> 11) & 0x1f) << 3;
unsigned g = ((lcd_framebuffer[y][x] >> 5) & 0x3f) << 2;
unsigned b = ((lcd_framebuffer[y][x]) & 0x1f) << 3;
points[p].x = x + MARGIN_X;
points[p].y = y + MARGIN_Y;
colors[p] = SDL_MapRGB(surface->format, r, g, b);
#endif
#endif
p++;
}
dots(colors, &points[0], p);
/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
SDL_UpdateRect(surface, 0, 0, 0, 0);
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 y;
int p=0;
int xmax;
int ymax;
struct coordinate points[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
int colors[LCD_REMOTE_WIDTH * LCD_REMOTE_HEIGHT];
Uint32 sdl_white = SDL_MapRGB(surface->format, 255, 255, 255);
Uint32 sdl_black = SDL_MapRGB(surface->format, 0, 0, 0);
#if 0
fprintf(stderr, "%04d: lcd_update_rect(%d, %d, %d, %d)\n",
counter++, x_start, y_start, width, height);
#endif
ymax = y_start + height;
xmax = x_start + width;
if(xmax > LCD_REMOTE_WIDTH)
xmax = LCD_REMOTE_WIDTH;
if(ymax >= LCD_REMOTE_HEIGHT)
ymax = LCD_REMOTE_HEIGHT;
for (x = x_start; x < xmax; x++)
for (y = y_start; y < ymax; y++) {
colors[p] = ((lcd_remote_framebuffer[y/8][x] >> (y & 7)) & 1) ? sdl_black : sdl_white;
points[p].x = x + MARGIN_X;
points[p].y = y + MARGIN_Y + REMOTE_START_Y;
p++;
}
dots(colors, &points[0], p);
/* printf("lcd_update_rect: Draws %d pixels, clears %d pixels\n", p, cp);*/
SDL_UpdateRect(surface, 0, 0, 0, 0);
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 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)
{
SDL_UpdateRect(surface, 0, 0, 0, 0);
}
lcd_display_redraw=false;
}
#endif
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