130 lines
2.7 KiB
C
130 lines
2.7 KiB
C
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/***************************************************************************
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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) 2002 Robert E. Hak (rhak at ramapo.edu)
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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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#ifdef HAVE_LCD_BITMAP
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#include "screensaver.h"
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#include "lcd.h"
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#include "button.h"
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#include "kernel.h"
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#ifdef SIMULATOR
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#include <stdio.h>
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#include <string.h>
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#endif
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#define SS_TITLE "Boxes"
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#define SS_TITLE_FONT 2
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void ss_loop(void)
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{
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int b;
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int x2 = LCD_WIDTH/2;
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int y2 = LCD_HEIGHT/2;
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int x = LCD_WIDTH/2;
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int y = LCD_HEIGHT/2;
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int i = 0;
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int center = 0;
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int factor = 0;
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int offset = 0;
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if (LCD_HEIGHT < LCD_WIDTH)
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center = LCD_HEIGHT/2;
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else
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center = LCD_WIDTH/2;
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i = center+1;
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while(1)
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{
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/* Grow */
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if ( i < 0 ) {
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factor = 1;
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i = 1;
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}
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/* Shrink */
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if (i >= center) {
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factor = -1;
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i = center;
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}
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offset=i*factor;
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b = button_get();
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if ( b & BUTTON_OFF )
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return;
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lcd_clear_display();
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lcd_drawrect(x-offset, y-offset, x2+offset, y2+offset);
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lcd_update();
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i+=factor;
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sleep(10);
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}
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}
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void screensaver(void)
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{
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int w, h;
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char *off = "[Off] to stop";
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int len = strlen(SS_TITLE);
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lcd_getfontsize(SS_TITLE_FONT, &w, &h);
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/* Get horizontel centering for text */
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len *= w;
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if (len%2 != 0)
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len = ((len+1)/2)+(w/2);
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else
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len /= 2;
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if (h%2 != 0)
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h = (h/2)+1;
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else
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h /= 2;
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lcd_clear_display();
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lcd_putsxy(LCD_WIDTH/2-len, (LCD_HEIGHT/2)-h, SS_TITLE, SS_TITLE_FONT);
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len = strlen(off);
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lcd_getfontsize(0, &w, &h);
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/* Get horizontel centering for text */
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len *= w;
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if (len%2 != 0)
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len = ((len+1)/2)+(w/2);
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else
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len /= 2;
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if (h%2 != 0)
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h = (h/2)+1;
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else
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h /= 2;
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lcd_putsxy(LCD_WIDTH/2-len, LCD_HEIGHT-(2*h), off,0);
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lcd_update();
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sleep(150);
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ss_loop();
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}
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#endif
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