The README file states that CONFIG_VIDEO_BMP_GZIP behaves as follows:-
If this option is set, additionally to standard BMP
images, gzipped BMP images can be displayed via the
splashscreen support or the bmp command.
However, the splashscreen function *only* supports standard BMP images.
This patch adds the documented gzip support.
Signed-off-by: Mark Jackson <[EMAIL PROTECTED]>
---
common/lcd.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index eec1f53..3bbc7ba 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -740,6 +740,9 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
#endif
+#ifdef CONFIG_VIDEO_BMP_GZIP
+extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp);
+#endif
static void *lcd_logo (void)
{
@@ -761,6 +764,16 @@ static void *lcd_logo (void)
addr = simple_strtoul(s, NULL, 16);
do_splash = 0;
+#ifdef CONFIG_VIDEO_BMP_GZIP
+ bmp_image_t *bmp = (bmp_image_t *)addr;
+ unsigned long len;
+
+ if (!((bmp->header.signature[0]=='B') &&
+ (bmp->header.signature[1]=='M'))) {
+ addr = (ulong)gunzip_bmp(addr, &len);
+ }
+#endif
+
if (lcd_display_bitmap (addr, 0, 0) == 0) {
return ((void *)lcd_base);
}
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