Add support for changing the gamma value

1 files changed, 1 insertions, 0 deletions

diff --git a/options.h b/options.h
index 848a6b2..982602f 100644
--- a/options.h
+++ b/options.h
@@ -34,6 +34,7 @@ typedef struct {
 	/* image: */
 	scalemode_t scalemode;
 	float zoom;
+	int gamma;
 
 	/* window: */
 	bool fixed_win;