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>
diff --git a/common/lcd.c b/common/lcd.c
index 74a5c77..b9a698d 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -620,6 +620,11 @@
* Display the BMP file located at address bmp_image.
* Only uncompressed.
*/
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+#define BMP_ALIGN_CENTER 0x7FFF
+#endif
+
int lcd_display_bitmap(ulong bmp_image, int x, int y)
{
#if !defined(CONFIG_MCC200)
@@ -731,6 +736,19 @@
#endif
padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+ if (x == BMP_ALIGN_CENTER)
+ x = max(0, (pwidth - width) / 2);
+ else if (x < 0)
+ x = max(0, pwidth - width + x + 1);
+
+ if (y == BMP_ALIGN_CENTER)
+ y = max(0, (panel_info.vl_row - height) / 2);
+ else if (y < 0)
+ y = max(0, panel_info.vl_row - height + y + 1);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
if ((x + width)>pwidth)
width = pwidth - x;
if ((y + height)>panel_info.vl_row)
@@ -809,9 +827,26 @@
static int do_splash = 1;
if (do_splash && (s = getenv("splashimage")) != NULL) {
- addr = simple_strtoul(s, NULL, 16);
+ int x = 0, y = 0;
do_splash = 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 */
+
#ifdef CONFIG_VIDEO_BMP_GZIP
bmp_image_t *bmp = (bmp_image_t *)addr;
unsigned long len;
@@ -822,7 +857,7 @@
}
#endif
- if (lcd_display_bitmap (addr, 0, 0) == 0) {
+ if (lcd_display_bitmap (addr, x, y) == 0) {
return ((void *)lcd_base);
}
}