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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Dan Everton
*
* 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 "uisdl.h"
#include "lcd.h"
#include "lcd-playersim.h"
SDL_Surface* lcd_surface;
#if LCD_DEPTH == 16
#else
SDL_Color lcd_palette[(1<<LCD_DEPTH)];
SDL_Color lcd_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
SDL_Color lcd_color_max = {0, 0, 0, 0};
#endif
#ifdef HAVE_LCD_BITMAP
#ifdef HAVE_REMOTE_LCD
SDL_Surface *remote_surface;
SDL_Color remote_palette[(1<<LCD_REMOTE_DEPTH)];
SDL_Color remote_color_zero = {UI_REMOTE_BGCOLORLIGHT, 0};
SDL_Color remote_color_max = {0, 0, 0, 0};
#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, y;
int xmax, ymax;
ymax = y_start + height;
xmax = x_start + width;
if(xmax > LCD_WIDTH)
xmax = LCD_WIDTH;
if(ymax >= LCD_HEIGHT)
ymax = LCD_HEIGHT;
SDL_LockSurface(lcd_surface);
int bpp = lcd_surface->format->BytesPerPixel;
for (x = x_start; x < xmax; x++)
{
for (y = y_start; y < ymax; y++)
{
Uint8 *p = (Uint8 *)lcd_surface->pixels + y * lcd_surface->pitch + x * bpp;
#if LCD_DEPTH == 1
*p = ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
#elif LCD_DEPTH == 2
#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
*p = ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3);
#else
*p = ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
#endif
#elif LCD_DEPTH == 16
#if LCD_PIXELFORMAT == RGB565SWAPPED
unsigned bits = lcd_framebuffer[y][x];
*(Uint16 *)p = (bits >> 8) | (bits << 8);
#else
*(Uint16 *)p = lcd_framebuffer[y][x];
#endif
#endif
}
}
SDL_UnlockSurface(lcd_surface);
SDL_Rect src = {x_start, y_start, xmax, ymax};
SDL_Rect dest = {UI_LCD_POSX + x_start, UI_LCD_POSY + y_start, xmax, ymax};
SDL_BlitSurface(lcd_surface, &src, gui_surface, &dest);
SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
SDL_Flip(gui_surface);
}
#ifdef HAVE_REMOTE_LCD
extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
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, y;
int xmax, ymax;
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;
SDL_LockSurface(remote_surface);
int bpp = remote_surface->format->BytesPerPixel;
for (x = x_start; x < xmax; x++)
for (y = y_start; y < ymax; y++)
{
Uint8 *p = (Uint8 *)remote_surface->pixels + y * remote_surface->pitch + x * bpp;
*p = ((lcd_remote_framebuffer[y/8][x] >> (y & 7)) & 1);
}
SDL_UnlockSurface(remote_surface);
SDL_Rect src = {x_start, y_start, xmax, ymax};
SDL_Rect dest = {UI_REMOTE_POSX + x_start, UI_REMOTE_POSY + y_start, xmax, ymax};
SDL_BlitSurface(remote_surface, &src, gui_surface, &dest);
SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
SDL_Flip(gui_surface);
}
#endif /* HAVE_REMOTE_LCD */
#endif /* HAVE_LCD_BITMAP */
#ifdef HAVE_LCD_CHARCELLS
/* Defined in lcd-playersim.c */
extern void lcd_print_char(int x, int y);
extern bool lcd_display_redraw;
extern unsigned char hardware_buffer_lcd[11][2];
static unsigned char lcd_buffer_copy[11][2];
void lcd_update(void)
{
int x, y;
bool changed = false;
SDL_Rect dest = {UI_LCD_POSX, UI_LCD_POSY, UI_LCD_WIDTH, UI_LCD_HEIGHT};
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_BlitSurface(lcd_surface, NULL, gui_surface, &dest);
SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
SDL_Flip(gui_surface);
}
lcd_display_redraw = false;
}
void drawdots(int color, struct coordinate *points, int count)
{
int bpp = lcd_surface->format->BytesPerPixel;
SDL_LockSurface(lcd_surface);
while (count--)
{
Uint8 *p = (Uint8 *)lcd_surface->pixels + (points[count].y) * lcd_surface->pitch + (points[count].x) * bpp;
*p = color;
}
SDL_UnlockSurface(lcd_surface);
}
void drawrectangles(int color, struct rectangle *points, int count)
{
int bpp = lcd_surface->format->BytesPerPixel;
SDL_LockSurface(lcd_surface);
while (count--)
{
int x;
int y;
int ix;
int iy;
for (x = points[count].x, ix = 0; ix < points[count].width; x++, ix++)
{
for (y = points[count].y, iy = 0; iy < points[count].height; y++, iy++)
{
Uint8 *p = (Uint8 *)lcd_surface->pixels + y * lcd_surface->pitch + x * bpp;
*p = color;
}
}
}
SDL_UnlockSurface(lcd_surface);
}
#endif /* HAVE_LCD_CHARCELLS */
#if LCD_DEPTH <= 8
/* set a range of bitmap indices to a gradient from startcolour to endcolour */
void lcdcolors(int index, int count, SDL_Color *start, SDL_Color *end)
{
int i;
count--;
for (i = 0; i <= count; i++)
{
lcd_palette[i+index].r = start->r
+ (end->r - start->r) * i / count;
lcd_palette[i+index].g = start->g
+ (end->g - start->g) * i / count;
lcd_palette[i+index].b = start->b
+ (end->b - start->b) * i / count;
}
SDL_SetPalette(lcd_surface, SDL_LOGPAL|SDL_PHYSPAL, lcd_palette, index, count);
}
#endif
#ifdef HAVE_REMOTE_LCD
/* set a range of bitmap indices to a gradient from startcolour to endcolour */
void lcdremotecolors(int index, int count, SDL_Color *start, SDL_Color *end)
{
int i;
count--;
for (i = 0; i <= count; i++)
{
remote_palette[i+index].r = start->r
+ (end->r - start->r) * i / count;
remote_palette[i+index].g = start->g
+ (end->g - start->g) * i / count;
remote_palette[i+index].b = start->b
+ (end->b - start->b) * i / count;
}
SDL_SetPalette(remote_surface, SDL_LOGPAL|SDL_PHYSPAL, remote_palette, index, count);
}
#endif
/* initialise simulator lcd driver */
void simlcdinit(void)
{
#if LCD_DEPTH == 16
lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH, LCD_HEIGHT, 16,
0, 0, 0, 0);
#else
lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH, LCD_HEIGHT, 8,
0, 0, 0, 0);
#endif
#if LCD_DEPTH <= 8
lcdcolors(0, (1<<LCD_DEPTH), &lcd_color_zero, &lcd_color_max);
#endif
#ifdef HAVE_REMOTE_LCD
remote_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT, 8,
0, 0, 0, 0);
lcdremotecolors(0, (1<<LCD_REMOTE_DEPTH), &remote_color_zero, &remote_color_max);
#endif
}
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