Merge with git+ssh://cvs.ucw.cz/projects/sherlock/GIT/sherlock.git

[libucw.git] / images / color.h

diff --git a/images/color.h b/images/color.h
index 59acd32d1026de6616de1bf4f8bac8fc4c9b57c3..ec3cd4afd99e928f88baef9f8bafa3a0712d3d5c 100644 (file)
--- a/images/color.h
+++ b/images/color.h
@@ -16,7 +16,7 @@
  *     - maybe try to generate a long switch in color_conv_pixel()
  *       with optimized entries instead of access to interpolation table
  *     - most of multiplications in srgb_to_luv_pixels can be replaced
- *       with tables lookup... tests shows almost the speed for random
+ *       with tables lookup... tests shows almost the same speed for random
  *       input and cca 40% gain when input colors fit in CPU chache
  */
 
@@ -59,6 +59,7 @@ extern u32 srgb_to_luv_tab3[20 << SRGB_TO_LUV_TAB3_SIZE];
 void srgb_to_luv_init(void);
 void srgb_to_luv_pixels(byte *dest, byte *src, uns count);
 
+/* L covers the interval [0..255]; u and v are centered to 128 and scaled by 1/4 in respect of L */
 static inline void
 srgb_to_luv_pixel(byte *dest, byte *src)
 {