Use p_step to avoid has_alpha comparison in loop

[geeqie.git] / src / similar.cc

diff --git a/src/similar.cc b/src/similar.cc
index 6b9a641..a2ae52c 100644 (file)
--- a/src/similar.cc
+++ b/src/similar.cc
@@ -247,10 +247,10 @@ void image_sim_fill_data(ImageSimilarityData *sd, GdkPixbuf *pixbuf)
                                p = xpos + (y * rs);
                                for (x = i; x < i + x_inc; x++)
                                        {
-                                       r += *p; p++;
-                                       g += *p; p++;
-                                       b += *p; p++;
-                                       if (has_alpha) p++;
+                                       r += p[0];
+                                       g += p[1];
+                                       b += p[2];
+                                       p += p_step;
                                        }
                                }