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

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@388 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 126 insertions, 0 deletions

diff --git a/uisimulator/screensaver.c b/uisimulator/screensaver.c
new file mode 100644
index 0000000000..644bcfe8c0
--- /dev/null
+++ b/uisimulator/screensaver.c
@@ -0,0 +1,126 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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();
+}
+
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