9058620849
pluginlib for use with greylib, and add source for a test scaled bmp viewer using greylib. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19593 a1c6a512-1295-4272-9138-f99709370657
157 lines
4 KiB
C
157 lines
4 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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* 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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*
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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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#ifdef HAVE_REMOTE_LCD
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#include "lcd-remote.h"
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#endif
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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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static fb_data main_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
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static fb_data wps_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
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#endif
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#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
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static fb_remote_data remote_wps_backdrop[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH];
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static bool remote_wps_backdrop_valid = false;
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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(const 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, NULL);
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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(const 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(const 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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#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
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static bool load_remote_backdrop(const char* filename, fb_remote_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 | FORMAT_REMOTE, NULL);
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if ((ret > 0) && (bm.width == LCD_REMOTE_WIDTH) && (bm.height == LCD_REMOTE_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_remote_wps_backdrop(const char* filename)
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{
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remote_wps_backdrop_valid = load_remote_backdrop(filename, &remote_wps_backdrop[0][0]);
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return remote_wps_backdrop_valid;
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}
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void unload_remote_wps_backdrop(void)
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{
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remote_wps_backdrop_valid = false;
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}
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void show_remote_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(remote_wps_backdrop_valid)
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{
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lcd_remote_set_backdrop(&remote_wps_backdrop[0][0]);
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}
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else
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{
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show_remote_main_backdrop();
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}
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}
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void show_remote_main_backdrop(void)
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{
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lcd_remote_set_backdrop(NULL);
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}
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#endif
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