export average_color

diff --git a/src/gradient-chemistry.cpp b/src/gradient-chemistry.cpp
index df013fdfc95516ee08924d1ae08cc194bffc89d0..486d38167f5e0e55bdbe8ff10aec94f8725f3718 100644 (file)
--- a/src/gradient-chemistry.cpp
+++ b/src/gradient-chemistry.cpp
@@ -558,8 +558,8 @@ sp_get_stop_i(SPGradient *gradient, guint stop_i)
     return stop;
 }
 
-static guint32
-average_color (guint32 c1, guint32 c2, gdouble p = 0.5)
+guint32
+average_color (guint32 c1, guint32 c2, gdouble p)
 {
        guint32 r = (guint32) (SP_RGBA32_R_U (c1) * (1 - p) + SP_RGBA32_R_U (c2) * p);
        guint32 g = (guint32) (SP_RGBA32_G_U (c1) * (1 - p) + SP_RGBA32_G_U (c2) * p);

diff --git a/src/gradient-chemistry.h b/src/gradient-chemistry.h
index af7315b4c52b91f7de57c536622c7681a6e3863a..13e15e5b8c2a6a971aef29fb124d04a1bdb75a7d 100644 (file)
--- a/src/gradient-chemistry.h
+++ b/src/gradient-chemistry.h
@@ -62,6 +62,8 @@ SPStop* sp_get_stop_i(SPGradient *gradient, guint i);
 guint sp_number_of_stops(SPGradient *gradient);
 guint sp_number_of_stops_before_stop(SPGradient *gradient, SPStop *target);
 
+guint32 average_color (guint32 c1, guint32 c2, gdouble p = 0.5);
+
 SPStop *sp_vector_add_stop (SPGradient *vector, SPStop* prev_stop, SPStop* next_stop, gfloat offset);
 
 void sp_gradient_transform_multiply (SPGradient *gradient, NR::Matrix postmul, bool set);