Use a checkerboard background for alpha layer; fixes issue #138

1 files changed, 0 insertions, 1 deletions

diff --git a/thumbs.h b/thumbs.h
index 758ae87..e11ac3c 100644
--- a/thumbs.h
+++ b/thumbs.h
@@ -47,7 +47,6 @@ typedef struct {
 	int cols;
 	int rows;
 
-	bool alpha;
 	bool dirty;
 } tns_t;