2006-02-09 21:49:28 +00:00
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/***************************************************************************
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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) 2006 Dan Everton
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*
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2008-06-28 18:10:04 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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2006-02-09 21:49:28 +00:00
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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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2006-02-13 21:46:28 +00:00
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#include "debug.h"
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2006-02-09 21:49:28 +00:00
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#include "uisdl.h"
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#include "lcd-sdl.h"
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SDL_Surface* lcd_surface;
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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SDL_Surface* lcd_real_surface; /* the surface which represents the real screen */
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#endif
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2006-02-26 13:37:42 +00:00
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int lcd_backlight_val;
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2006-02-09 21:49:28 +00:00
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#if LCD_DEPTH <= 8
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2007-04-12 22:12:13 +00:00
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#ifdef HAVE_BACKLIGHT
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2006-02-13 21:46:28 +00:00
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SDL_Color lcd_backlight_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
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2008-03-02 21:28:26 +00:00
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SDL_Color lcd_backlight_color_max = {UI_LCD_FGCOLORLIGHT, 0};
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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SDL_Color lcd_backlight_color_split= {UI_LCD_SPLIT_FGCOLORLIGHT, 0};
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#endif
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2006-06-03 12:09:12 +00:00
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#endif
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SDL_Color lcd_color_zero = {UI_LCD_BGCOLOR, 0};
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2008-03-02 21:28:26 +00:00
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SDL_Color lcd_color_max = {UI_LCD_FGCOLOR, 0};
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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SDL_Color lcd_color_split= {UI_LCD_SPLIT_FGCOLOR, 0};
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#endif
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2006-02-09 21:49:28 +00:00
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#endif
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2006-02-26 13:37:42 +00:00
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#if LCD_DEPTH < 8
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int lcd_ex_shades = 0;
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unsigned long (*lcd_ex_getpixel)(int, int) = NULL;
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#endif
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static unsigned long get_lcd_pixel(int x, int y)
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2006-02-09 21:49:28 +00:00
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{
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#if LCD_DEPTH == 1
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2006-02-26 13:37:42 +00:00
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return ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
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2006-02-09 21:49:28 +00:00
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#elif LCD_DEPTH == 2
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#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
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2006-04-04 01:40:11 +00:00
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return ((lcd_framebuffer[y][x/4] >> (2 * (~x & 3))) & 3);
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2008-03-14 00:17:59 +00:00
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#elif LCD_PIXELFORMAT == VERTICAL_PACKING
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2006-02-26 13:37:42 +00:00
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return ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
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2008-03-14 00:17:59 +00:00
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#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
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unsigned bits = (lcd_framebuffer[y/8][x] >> (y & 7)) & 0x0101;
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return (bits | (bits >> 7)) & 3;
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2006-02-09 21:49:28 +00:00
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#endif
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#elif LCD_DEPTH == 16
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#if LCD_PIXELFORMAT == RGB565SWAPPED
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2006-02-26 13:37:42 +00:00
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unsigned bits = lcd_framebuffer[y][x];
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return (bits >> 8) | (bits << 8);
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2006-02-09 21:49:28 +00:00
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#else
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2006-02-26 13:37:42 +00:00
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return lcd_framebuffer[y][x];
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2006-02-09 21:49:28 +00:00
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#endif
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#endif
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}
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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, int width, int height)
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{
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2006-02-26 13:37:42 +00:00
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sdl_update_rect(lcd_surface, x_start, y_start, width, height, LCD_WIDTH,
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LCD_HEIGHT, get_lcd_pixel);
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2008-12-04 23:24:45 +00:00
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) x_start, y_start,
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width, height, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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2006-02-09 21:49:28 +00:00
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}
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2007-04-12 22:12:13 +00:00
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#ifdef HAVE_BACKLIGHT
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2006-02-13 21:46:28 +00:00
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void sim_backlight(int value)
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{
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2006-02-26 13:37:42 +00:00
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lcd_backlight_val = value;
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2006-02-13 21:46:28 +00:00
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#if LCD_DEPTH <= 8
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if (value > 0) {
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_zero,
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&lcd_backlight_color_max, &lcd_backlight_color_zero,
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&lcd_backlight_color_split, 0, (1<<LCD_DEPTH));
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#else
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2006-02-26 13:37:42 +00:00
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero,
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2008-12-04 23:24:45 +00:00
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&lcd_backlight_color_max, 0, (1<<LCD_DEPTH));
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#endif
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2006-02-13 21:46:28 +00:00
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} else {
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_zero, &lcd_color_max,
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&lcd_color_zero, &lcd_color_split, 0, (1<<LCD_DEPTH));
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#else
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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#endif
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2006-02-13 21:46:28 +00:00
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}
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2006-02-26 13:37:42 +00:00
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#if LCD_DEPTH < 8
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if (lcd_ex_shades) {
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if (value > 0) {
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_max,
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&lcd_backlight_color_zero, &lcd_backlight_color_split,
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&lcd_backlight_color_zero,
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(1<<LCD_DEPTH), lcd_ex_shades);
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#else
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2008-03-02 21:28:26 +00:00
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_max,
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2008-12-04 23:24:45 +00:00
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), lcd_ex_shades);
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#endif
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2006-02-26 13:37:42 +00:00
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} else {
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max, &lcd_color_zero,
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&lcd_color_split, &lcd_color_zero, (1<<LCD_DEPTH),
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lcd_ex_shades);
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#else
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2006-02-26 13:37:42 +00:00
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sdl_set_gradient(lcd_surface, &lcd_color_max, &lcd_color_zero,
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2008-12-04 23:24:45 +00:00
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(1<<LCD_DEPTH), lcd_ex_shades);
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#endif
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2006-02-26 13:37:42 +00:00
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}
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}
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#endif
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2008-12-04 23:24:45 +00:00
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) 0, 0, LCD_WIDTH,
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LCD_HEIGHT, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
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2006-02-26 13:37:42 +00:00
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2006-02-13 21:46:28 +00:00
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#endif
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}
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#endif
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2006-02-09 21:49:28 +00:00
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/* initialise simulator lcd driver */
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void sim_lcd_init(void)
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{
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#if LCD_DEPTH == 16
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lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
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LCD_HEIGHT * display_zoom, LCD_DEPTH, 0, 0, 0, 0);
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#else
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lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
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LCD_HEIGHT * display_zoom, 8, 0, 0, 0, 0);
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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lcd_real_surface = SDL_CreateRGBSurface(SDL_SWSURFACE,
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LCD_WIDTH * display_zoom,
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(LCD_HEIGHT+UI_LCD_SPLIT_BLACK_LINES) * display_zoom, 8, 0, 0, 0, 0);
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#endif
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2006-02-09 21:49:28 +00:00
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#endif
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#if LCD_DEPTH <= 8
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2007-04-12 22:12:13 +00:00
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#ifdef HAVE_BACKLIGHT
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_backlight_color_zero,
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&lcd_color_max, &lcd_backlight_color_zero,
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&lcd_color_split, 0, (1<<LCD_DEPTH));
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#else
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sdl_set_gradient(lcd_surface, &lcd_backlight_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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#endif
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2006-06-03 12:09:12 +00:00
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#else
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2008-12-04 23:24:45 +00:00
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sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, 0,
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(1<<LCD_DEPTH));
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2006-06-03 12:09:12 +00:00
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#endif
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2006-02-26 13:37:42 +00:00
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#endif
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}
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#if LCD_DEPTH < 8
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void sim_lcd_ex_init(int shades, unsigned long (*getpixel)(int, int))
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{
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lcd_ex_shades = shades;
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lcd_ex_getpixel = getpixel;
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if (shades) {
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2007-04-12 22:12:13 +00:00
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#ifdef HAVE_BACKLIGHT
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2006-02-26 13:37:42 +00:00
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if (lcd_backlight_val > 0) {
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max,
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&lcd_backlight_color_zero, &lcd_color_split,
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), shades);
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#else
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2006-02-26 13:37:42 +00:00
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sdl_set_gradient(lcd_surface, &lcd_color_max,
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2008-12-04 23:24:45 +00:00
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&lcd_backlight_color_zero, (1<<LCD_DEPTH), shades);
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#endif
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2006-02-26 13:37:42 +00:00
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}
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2008-12-04 23:24:45 +00:00
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else
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2006-02-09 21:49:28 +00:00
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#endif
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2006-02-26 13:37:42 +00:00
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{
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2008-12-04 23:24:45 +00:00
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#ifdef UI_LCD_SPLIT
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sdl_set_gradient(lcd_real_surface, &lcd_color_max, &lcd_color_zero,
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&lcd_color_split, &lcd_color_zero, (1<<LCD_DEPTH), shades);
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#else
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2006-02-26 13:37:42 +00:00
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sdl_set_gradient(lcd_surface, &lcd_color_max, &lcd_color_zero,
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2008-12-04 23:24:45 +00:00
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(1<<LCD_DEPTH), shades);
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#endif
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2006-02-26 13:37:42 +00:00
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}
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}
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2006-02-09 21:49:28 +00:00
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}
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2006-02-26 13:37:42 +00:00
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void sim_lcd_ex_update_rect(int x_start, int y_start, int width, int height)
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{
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if (lcd_ex_getpixel) {
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sdl_update_rect(lcd_surface, x_start, y_start, width, height,
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LCD_WIDTH, LCD_HEIGHT, lcd_ex_getpixel);
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2008-12-04 23:24:45 +00:00
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sdl_gui_update(lcd_surface, IFSPLIT(lcd_real_surface,) x_start, y_start,
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width, height, LCD_WIDTH, LCD_HEIGHT,
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background ? UI_LCD_POSX : 0,
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2006-02-26 13:37:42 +00:00
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background? UI_LCD_POSY : 0);
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}
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}
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#endif
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2007-09-25 02:59:42 +00:00
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#ifdef HAVE_LCD_COLOR
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/**
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* |R| |1.000000 -0.000001 1.402000| |Y'|
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* |G| = |1.000000 -0.334136 -0.714136| |Pb|
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* |B| |1.000000 1.772000 0.000000| |Pr|
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* Scaled, normalized, rounded and tweaked to yield RGB 565:
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* |R| |74 0 101| |Y' - 16| >> 9
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* |G| = |74 -24 -51| |Cb - 128| >> 8
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* |B| |74 128 0| |Cr - 128| >> 9
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*/
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#define YFAC (74)
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#define RVFAC (101)
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#define GUFAC (-24)
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#define GVFAC (-51)
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#define BUFAC (128)
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static inline int clamp(int val, int min, int max)
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{
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if (val < min)
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val = min;
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else if (val > max)
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val = max;
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return val;
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}
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void lcd_yuv_set_options(unsigned options)
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{
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(void)options;
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}
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2008-03-24 00:35:53 +00:00
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/* Draw a partial YUV colour bitmap - similiar behavior to lcd_blit_yuv
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2007-09-25 02:59:42 +00:00
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in the core */
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2008-03-24 00:35:53 +00:00
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void lcd_blit_yuv(unsigned char * const src[3],
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2007-09-25 02:59:42 +00:00
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int src_x, int src_y, int stride,
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int x, int y, int width, int height)
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{
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const unsigned char *ysrc, *usrc, *vsrc;
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int linecounter;
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fb_data *dst, *row_end;
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long z;
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/* width and height must be >= 2 and an even number */
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width &= ~1;
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linecounter = height >> 1;
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#if LCD_WIDTH >= LCD_HEIGHT
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dst = &lcd_framebuffer[y][x];
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row_end = dst + width;
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#else
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dst = &lcd_framebuffer[x][LCD_WIDTH - y - 1];
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row_end = dst + LCD_WIDTH * width;
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#endif
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z = stride * src_y;
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ysrc = src[0] + z + src_x;
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usrc = src[1] + (z >> 2) + (src_x >> 1);
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vsrc = src[2] + (usrc - src[1]);
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/* stride => amount to jump from end of last row to start of next */
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stride -= width;
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/* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */
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do
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{
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do
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{
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int y, cb, cr, rv, guv, bu, r, g, b;
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y = YFAC*(*ysrc++ - 16);
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cb = *usrc++ - 128;
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cr = *vsrc++ - 128;
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rv = RVFAC*cr;
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guv = GUFAC*cb + GVFAC*cr;
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bu = BUFAC*cb;
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
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{
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r = clamp(r, 0, 64*256-1);
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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#if LCD_WIDTH >= LCD_HEIGHT
|
2008-12-04 23:24:45 +00:00
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dst++;
|
2007-09-25 02:59:42 +00:00
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#else
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dst += LCD_WIDTH;
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#endif
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y = YFAC*(*ysrc++ - 16);
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r = y + rv;
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g = y + guv;
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b = y + bu;
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if ((unsigned)(r | g | b) > 64*256-1)
|
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|
|
{
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r = clamp(r, 0, 64*256-1);
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|
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g = clamp(g, 0, 64*256-1);
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b = clamp(b, 0, 64*256-1);
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}
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*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
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|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
2008-12-04 23:24:45 +00:00
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dst++;
|
2007-09-25 02:59:42 +00:00
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#else
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dst += LCD_WIDTH;
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#endif
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}
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|
while (dst < row_end);
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ysrc += stride;
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|
usrc -= width >> 1;
|
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|
vsrc -= width >> 1;
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|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
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|
row_end += LCD_WIDTH;
|
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|
dst += LCD_WIDTH - width;
|
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|
|
#else
|
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|
|
row_end -= 1;
|
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|
|
dst -= LCD_WIDTH*width + 1;
|
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|
|
#endif
|
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|
|
|
|
do
|
|
|
|
{
|
|
|
|
int y, cb, cr, rv, guv, bu, r, g, b;
|
|
|
|
|
|
|
|
y = YFAC*(*ysrc++ - 16);
|
|
|
|
cb = *usrc++ - 128;
|
|
|
|
cr = *vsrc++ - 128;
|
|
|
|
|
|
|
|
rv = RVFAC*cr;
|
|
|
|
guv = GUFAC*cb + GVFAC*cr;
|
|
|
|
bu = BUFAC*cb;
|
|
|
|
|
|
|
|
r = y + rv;
|
|
|
|
g = y + guv;
|
|
|
|
b = y + bu;
|
|
|
|
|
|
|
|
if ((unsigned)(r | g | b) > 64*256-1)
|
|
|
|
{
|
|
|
|
r = clamp(r, 0, 64*256-1);
|
|
|
|
g = clamp(g, 0, 64*256-1);
|
|
|
|
b = clamp(b, 0, 64*256-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
|
|
|
|
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
2008-12-04 23:24:45 +00:00
|
|
|
dst++;
|
2007-09-25 02:59:42 +00:00
|
|
|
#else
|
|
|
|
dst += LCD_WIDTH;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
y = YFAC*(*ysrc++ - 16);
|
|
|
|
r = y + rv;
|
|
|
|
g = y + guv;
|
|
|
|
b = y + bu;
|
|
|
|
|
|
|
|
if ((unsigned)(r | g | b) > 64*256-1)
|
|
|
|
{
|
|
|
|
r = clamp(r, 0, 64*256-1);
|
|
|
|
g = clamp(g, 0, 64*256-1);
|
|
|
|
b = clamp(b, 0, 64*256-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
*dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
|
|
|
|
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
2008-12-04 23:24:45 +00:00
|
|
|
dst++;
|
2007-09-25 02:59:42 +00:00
|
|
|
#else
|
|
|
|
dst += LCD_WIDTH;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
while (dst < row_end);
|
|
|
|
|
|
|
|
ysrc += stride;
|
|
|
|
usrc += stride >> 1;
|
|
|
|
vsrc += stride >> 1;
|
|
|
|
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
|
|
row_end += LCD_WIDTH;
|
|
|
|
dst += LCD_WIDTH - width;
|
|
|
|
#else
|
|
|
|
row_end -= 1;
|
|
|
|
dst -= LCD_WIDTH*width + 1;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
while (--linecounter > 0);
|
|
|
|
|
|
|
|
#if LCD_WIDTH >= LCD_HEIGHT
|
|
|
|
lcd_update_rect(x, y, width, height);
|
|
|
|
#else
|
2008-01-03 17:14:28 +00:00
|
|
|
lcd_update_rect(LCD_WIDTH - y - height, x, height, width);
|
2007-09-25 02:59:42 +00:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif /* HAVE_LCD_COLOR */
|