From 1208ac55766e410f7cac3ad9d6cf588e7846ca64 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Fri, 22 Apr 2011 12:23:25 -0400 Subject: Take into account color intensity for filtered transparency in canvas export. --- libdimension/dimension/color.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'libdimension/dimension') diff --git a/libdimension/dimension/color.h b/libdimension/dimension/color.h index c9d777b..887c2c7 100644 --- a/libdimension/dimension/color.h +++ b/libdimension/dimension/color.h @@ -121,6 +121,8 @@ dmnsn_CIE_Luv dmnsn_Luv_from_color(dmnsn_color color, dmnsn_CIE_XYZ white); /* Perceptual color manipulation */ +/** Greyscale color intensity. */ +double dmnsn_color_intensity(dmnsn_color color); /** Add two colors together. */ dmnsn_color dmnsn_color_add(dmnsn_color color1, dmnsn_color color2); /** Multiply a color's intensity by \p n. */ -- cgit v1.2.3