0262cba304
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12003 a1c6a512-1295-4272-9138-f99709370657
100 lines
2.7 KiB
C
100 lines
2.7 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) 2006 Dave Chapman
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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 "config.h"
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#include "lcd.h"
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#include "backdrop.h"
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#if LCD_DEPTH >= 8
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static fb_data main_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
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static fb_data wps_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
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#elif LCD_DEPTH == 2
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#if LCD_PIXELFORMAT == VERTICAL_PACKING
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static fb_data main_backdrop[(LCD_HEIGHT+3)/4][LCD_WIDTH];
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static fb_data wps_backdrop[(LCD_HEIGHT+3)/4][LCD_WIDTH];
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#else
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static fb_data main_backdrop[LCD_HEIGHT][LCD_FBWIDTH];
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static fb_data wps_backdrop[LCD_HEIGHT][LCD_FBWIDTH];
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#endif
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#endif
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static bool main_backdrop_valid = false;
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static bool wps_backdrop_valid = false;
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/* load a backdrop into a buffer */
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static bool load_backdrop(char* filename, fb_data* backdrop_buffer)
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{
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struct bitmap bm;
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int ret;
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/* load the image */
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bm.data=(char*)backdrop_buffer;
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ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
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FORMAT_NATIVE | FORMAT_DITHER);
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if ((ret > 0) && (bm.width == LCD_WIDTH) && (bm.height == LCD_HEIGHT))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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bool load_main_backdrop(char* filename)
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{
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main_backdrop_valid = load_backdrop(filename, &main_backdrop[0][0]);
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return main_backdrop_valid;
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}
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bool load_wps_backdrop(char* filename)
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{
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wps_backdrop_valid = load_backdrop(filename, &wps_backdrop[0][0]);
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return wps_backdrop_valid;
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}
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void unload_main_backdrop(void)
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{
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main_backdrop_valid = false;
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}
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void unload_wps_backdrop(void)
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{
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wps_backdrop_valid = false;
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}
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void show_main_backdrop(void)
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{
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lcd_set_backdrop(main_backdrop_valid ? &main_backdrop[0][0] : NULL);
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}
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void show_wps_backdrop(void)
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{
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/* if no wps backdrop, fall back to main backdrop */
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if(wps_backdrop_valid)
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{
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lcd_set_backdrop(&wps_backdrop[0][0]);
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}
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else
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{
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show_main_backdrop();
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}
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}
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