rockbox/apps/plugins/mosaique.c

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Itai Shaked 
 *
 * 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 "plugin.h"

#ifdef HAVE_LCD_BITMAP

#define LARGE 55
#define HAUT  31

/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define MOSAIQUE_QUIT BUTTON_OFF
#define MOSAIQUE_SPEED BUTTON_F1
#define MOSAIQUE_RESTART BUTTON_PLAY

#elif CONFIG_KEYPAD == ONDIO_PAD
#define MOSAIQUE_QUIT BUTTON_OFF
#define MOSAIQUE_SPEED BUTTON_LEFT
#define MOSAIQUE_SPEED2 BUTTON_RIGHT
#define MOSAIQUE_RESTART BUTTON_MENU

#endif

enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
    int button;
    int timer = 10;
    int x=0;
    int y=0;
    int sx = 3;
    int sy = 3;
    struct plugin_api* rb = api;
    TEST_PLUGIN_API(api);
    (void)parameter;

    rb->lcd_clear_display();
    while (1) {

        x+=sx;
        if (x>LARGE) 
        {
            x = 2*LARGE-x;
            sx=-sx;
        }
	
        if (x<0) 
        {
            x = -x;
            sx = -sx;
        }
	
        y+=sy;
        if (y>HAUT) 
        {
            y = 2*HAUT-y;
            sy=-sy;
        }
	
        if (y<0) 
        {
            y = -y;
            sy = -sy;
        }
	
        rb->lcd_invertrect(LARGE-x, HAUT-y, 2*x+1, 1);
        rb->lcd_invertrect(LARGE-x, HAUT+y, 2*x+1, 1);
        rb->lcd_invertrect(LARGE-x, HAUT-y+1, 1, 2*y-1);
        rb->lcd_invertrect(LARGE+x, HAUT-y+1, 1, 2*y-1);

        rb->lcd_update();
        rb->sleep(HZ/timer);
        
        button = rb->button_get(false);
        switch (button)
        {
            case MOSAIQUE_QUIT:
                
                return PLUGIN_OK;
                
            case MOSAIQUE_SPEED:
#ifdef MOSAIQUE_SPEED2
            case MOSAIQUE_SPEED2:
#endif
                timer = timer+5;
                if (timer>20)
                    timer=5;
                break;
                
            case MOSAIQUE_RESTART:

                sx = rb->rand()%20+1;
                sy = rb->rand()%20+1;
                x=0;
                y=0;
                rb->lcd_clear_display();
                break;


            default:
                if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
                    return PLUGIN_USB_CONNECTED;
                break;
        }
    }
}

#endif