Oops. Actually use the rgb_to_l function from previous commit. This should

speed up the color balance operation a bit.

ChangeLog

+Mon Feb 15 05:23:18 1999  Tor Lillqvist  <tml@iki.fi>
+
+	* app/color_balance.c (color_balance): Use the rgb_to_l function.
+
 Sun Feb 14 22:16:16 1999  Tor Lillqvist  <tml@iki.fi>
 
 	* app/paint_funcs.c app/paint_funcs.h : New function rgb_to_l for

app/base/color-balance.c

@@ -152,9 +152,8 @@ color_balance (PixelRegion *srcPR,
 
 	  if (cbd->preserve_luminosity)
 	    {
-	      rgb_to_hls (&r, &g, &b);
 	      rgb_to_hls (&r_n, &g_n, &b_n);
-	      g_n = g;
+	      g_n = rgb_to_l (r, g, b);
 	      hls_to_rgb (&r_n, &g_n, &b_n);
 	    }
 

app/color_balance.c

@@ -152,9 +152,8 @@ color_balance (PixelRegion *srcPR,
 
 	  if (cbd->preserve_luminosity)
 	    {
-	      rgb_to_hls (&r, &g, &b);
 	      rgb_to_hls (&r_n, &g_n, &b_n);
-	      g_n = g;
+	      g_n = rgb_to_l (r, g, b);
 	      hls_to_rgb (&r_n, &g_n, &b_n);
 	    }
 

app/tools/color_balance.c

@@ -152,9 +152,8 @@ color_balance (PixelRegion *srcPR,
 
 	  if (cbd->preserve_luminosity)
 	    {
-	      rgb_to_hls (&r, &g, &b);
 	      rgb_to_hls (&r_n, &g_n, &b_n);
-	      g_n = g;
+	      g_n = rgb_to_l (r, g, b);
 	      hls_to_rgb (&r_n, &g_n, &b_n);
 	    }
 

app/tools/gimpcolorbalancetool.c

@@ -152,9 +152,8 @@ color_balance (PixelRegion *srcPR,
 
 	  if (cbd->preserve_luminosity)
 	    {
-	      rgb_to_hls (&r, &g, &b);
 	      rgb_to_hls (&r_n, &g_n, &b_n);
-	      g_n = g;
+	      g_n = rgb_to_l (r, g, b);
 	      hls_to_rgb (&r_n, &g_n, &b_n);
 	    }