From 1ca298ced07327749b54321815f76fcddb2f9479 Mon Sep 17 00:00:00 2001
From: Matthias Weisser <matthias.weisser@graf-syteco.de>
Date: Thu, 9 Jul 2009 16:07:30 +0200
Subject: Added support for splash screen positioning

This patch adds support splash image positioning by adding an
additional variable "splashpos" to the environment. Please see
README for details.

Signed-off-by: Matthias Weisser <matthias.weisser@graf-syteco.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
---
 drivers/video/cfb_console.c | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index bcafb27a7..6adce1998 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -193,6 +193,11 @@ CONFIG_VIDEO_HW_CURSOR:	     - Uses the hardware cursor capability of the
 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 #include <watchdog.h>
 #include <bmp_layout.h>
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+#define BMP_ALIGN_CENTER	0x7FFF
+#endif
+
 #endif
 
 /*****************************************************************************/
@@ -877,6 +882,18 @@ int video_display_bitmap (ulong bmp_image, int x, int y)
 
 	padded_line = (((width * bpp + 7) / 8) + 3) & ~0x3;
 
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+	if (x == BMP_ALIGN_CENTER)
+		x = max(0, (VIDEO_VISIBLE_COLS - width) / 2);
+	else if (x < 0)
+		x = max(0, VIDEO_VISIBLE_COLS - width + x + 1);
+
+	if (y == BMP_ALIGN_CENTER)
+		y = max(0, (VIDEO_VISIBLE_ROWS - height) / 2);
+	else if (y < 0)
+		y = max(0, VIDEO_VISIBLE_ROWS - height + y + 1);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
 	if ((x + width) > VIDEO_VISIBLE_COLS)
 		width = VIDEO_VISIBLE_COLS - x;
 	if ((y + height) > VIDEO_VISIBLE_ROWS)
@@ -1188,9 +1205,26 @@ static void *video_logo (void)
 	ulong addr;
 
 	if ((s = getenv ("splashimage")) != NULL) {
+		int x = 0, y = 0;
+
 		addr = simple_strtoul (s, NULL, 16);
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+		if ((s = getenv ("splashpos")) != NULL) {
+			if (s[0] == 'm')
+				x = BMP_ALIGN_CENTER;
+			else
+				x = simple_strtol (s, NULL, 0);
+
+			if ((s = strchr (s + 1, ',')) != NULL) {
+				if (s[1] == 'm')
+					y = BMP_ALIGN_CENTER;
+				else
+					y = simple_strtol (s + 1, NULL, 0);
+			}
+		}
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 
-		if (video_display_bitmap (addr, 0, 0) == 0) {
+		if (video_display_bitmap (addr, x, y) == 0) {
 			return ((void *) (video_fb_address));
 		}
 	}
-- 
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