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Yes, its a simple screensaver... why not?

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@388 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Hak 2002-05-02 21:28:10 +00:00
parent caa446f4bb
commit 0c75674817
1 changed files with 126 additions and 0 deletions
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uisimulator/screensaver.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Robert E. Hak (rhak at ramapo.edu)
*
* 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 "types.h"
#include "lcd.h"
#include "button.h"
#include "kernel.h"
#ifdef SIMULATOR
#include <stdio.h>
#include <string.h>
#endif
#define SS_TITLE "Boxes"
#define SS_TITLE_FONT 2
void drawrect(int x, int y, int x2, int y2)
{
lcd_drawline(x, y, x2, y);
lcd_drawline(x, y2, x2, y2);
lcd_drawline(x, y, x, y2);
lcd_drawline(x2, y, x2, y2);
}
void ss_loop(void)
{
int b;
int x2 = LCD_WIDTH/2;
int y2 = LCD_HEIGHT/2;
int x = LCD_WIDTH/2;
int y = LCD_HEIGHT/2;
int i = 0;
int center = 0;
int factor = 0;
int offset = 0;
if (LCD_HEIGHT < LCD_WIDTH)
center = LCD_HEIGHT/2;
else
center = LCD_WIDTH/2;
i = center;
while(1)
{
/* Grow */
if ( i <= 0 ) {
factor = 1;
i = 1;
}
/* Shrink */
if (i >= center) {
factor = -1;
i = center;
}
offset=i*factor;
b = button_get();
if ( b & BUTTON_OFF )
return;
lcd_clearrect(0, 0, LCD_WIDTH, LCD_HEIGHT);
drawrect(x-offset, y-offset, x2+offset, y2+offset);
lcd_update();
i+=factor;
sleep(10);
}
}
void screensaver(void)
{
char w, h;
int len = strlen(SS_TITLE);
lcd_fontsize(SS_TITLE_FONT, &w, &h);
/* Get horizontel centering for text */
len *= w;
if (len%2 != 0)
len = ((len+1)/2)+(w/2);
else
len /= 2;
if (h%2 != 0)
h = (h/2)+1;
else
h /= 2;
lcd_puts(LCD_WIDTH/2-len, (LCD_HEIGHT/2)-h,
SS_TITLE, SS_TITLE_FONT);
lcd_update();
ss_loop();
}