Negative alpha means "don't touch".

2008-11-12 15:51:35 +00:00
parent 2f8e69ccca
commit f2d5c00fe8
1 changed files with 2 additions and 1 deletions
--- a/src/frame.h
+++ b/src/frame.h
@@ -482,7 +482,8 @@ struct frame

  /* frame opacity
     alpha[0]: alpha transparency of the active frame
-     alpha[1]: alpha transparency of inactive frames   */
+     alpha[1]: alpha transparency of inactive frames
+     Negative values mean not to change alpha.  */
  double alpha[2];

  /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *