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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Dave Chapman
*
* 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 "config.h"
#include "lcd.h"
#include "backdrop.h"
#if LCD_DEPTH >= 8
static fb_data main_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
static fb_data wps_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
#elif LCD_DEPTH == 2
#if LCD_PIXELFORMAT == VERTICAL_PACKING
static fb_data main_backdrop[(LCD_HEIGHT+3)/4][LCD_WIDTH];
static fb_data wps_backdrop[(LCD_HEIGHT+3)/4][LCD_WIDTH];
#else
static fb_data main_backdrop[LCD_HEIGHT][LCD_FBWIDTH];
static fb_data wps_backdrop[LCD_HEIGHT][LCD_FBWIDTH];
#endif
#endif
static bool main_backdrop_valid = false;
static bool wps_backdrop_valid = false;
/* load a backdrop into a buffer */
static bool load_backdrop(char* filename, fb_data* backdrop_buffer)
{
struct bitmap bm;
int ret;
/* load the image */
bm.data=(char*)backdrop_buffer;
ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
FORMAT_NATIVE | FORMAT_DITHER);
if ((ret > 0) && (bm.width == LCD_WIDTH) && (bm.height == LCD_HEIGHT))
{
return true;
}
else
{
return false;
}
}
bool load_main_backdrop(char* filename)
{
main_backdrop_valid = load_backdrop(filename, &main_backdrop[0][0]);
return main_backdrop_valid;
}
bool load_wps_backdrop(char* filename)
{
wps_backdrop_valid = load_backdrop(filename, &wps_backdrop[0][0]);
return wps_backdrop_valid;
}
void unload_main_backdrop(void)
{
main_backdrop_valid = false;
}
void unload_wps_backdrop(void)
{
wps_backdrop_valid = false;
}
void show_main_backdrop(void)
{
lcd_set_backdrop(main_backdrop_valid ? &main_backdrop[0][0] : NULL);
}
void show_wps_backdrop(void)
{
/* if no wps backdrop, fall back to main backdrop */
if(wps_backdrop_valid)
{
lcd_set_backdrop(&wps_backdrop[0][0]);
}
else
{
show_main_backdrop();
}
}
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