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-rw-r--r--libdimension/dimension/color.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libdimension/dimension/color.h b/libdimension/dimension/color.h
index 5567628..0e64875 100644
--- a/libdimension/dimension/color.h
+++ b/libdimension/dimension/color.h
@@ -80,6 +80,7 @@ dmnsn_CIE_Luv dmnsn_Luv_from_color(dmnsn_color color, dmnsn_CIE_XYZ white);
dmnsn_sRGB dmnsn_sRGB_from_color(dmnsn_color color);
dmnsn_color dmnsn_color_add(dmnsn_color color1, dmnsn_color color2);
+double dmnsn_color_difference(dmnsn_color color1, dmnsn_color color2);
#ifdef __cplusplus
}