Commit f2d5c00f authored by Chong Yidong's avatar Chong Yidong
Browse files

Negative alpha means "don't touch".

parent 2f8e69cc
......@@ -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 *
......
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