From: H. Peter Anvin <hpa@zytor.com>
Date: Sat, 16 Sep 2006 06:17:40 +0000 (-0700)
Subject: Use gamma-corrected gradient for the default image, now when we have it
X-Git-Tag: syslinux-3.30-pre9~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=78c32abb20ba7acba7861e7867c0369ed6070366;p=profile%2Fivi%2Fsyslinux.git

Use gamma-corrected gradient for the default image, now when we have it
---

diff --git a/com32/lib/sys/vesa/background.c b/com32/lib/sys/vesa/background.c
index 2dccfce..ed0ab24 100644
--- a/com32/lib/sys/vesa/background.c
+++ b/com32/lib/sys/vesa/background.c
@@ -244,16 +244,16 @@ static void default_background(void)
 {
   int x, y, dx, dy, dy2;
   uint8_t *bgptr = (uint8_t *)&__vesacon_background;
-  uint8_t c;
+  uint8_t k;
 
   for (y = 0, dy = -VIDEO_Y_SIZE/2; y < VIDEO_Y_SIZE; y++, dy++) {
     dy2 = dy*dy;
     for (x = 0, dx = -VIDEO_X_SIZE/2; x < VIDEO_X_SIZE; x++, dx++) {
-      c = ((dx*dx+dy2) >> 11) + 88;
-      *bgptr++ = c;
-      *bgptr++ = c;
-      *bgptr++ = c;
-      bgptr++;			/* Dummy alpha */
+      k = __vesacon_linear_to_srgb[500+((dx*dx+dy2) >> 6)];
+      bgptr[0] = k;		/* Blue */
+      bgptr[1] = k;		/* Green */
+      bgptr[2] = k;		/* Red */
+      bgptr += 4;		/* Dummy alpha */
     }
   }
 }