From f80065c24765ee1fcfc075c77f7ea55984a1d715 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Sun, 30 Jun 2019 18:40:21 +0200
Subject: Add pan/tilt reverse

---
 src/scanout.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/scanout.c')

diff --git a/src/scanout.c b/src/scanout.c
index 1b0229c..8a8b2d0 100644
--- a/src/scanout.c
+++ b/src/scanout.c
@@ -133,6 +133,8 @@ int scanout_all(struct nanolight *nl)
 			float pan_val, tilt_val;
 			pan_val = (fix->pan + 1.0)/2.0;
 			tilt_val = (fix->tilt + 1.0)/2.0;
+			if ( fix->flags & REVERSE_PAN ) pan_val = 1.0 - pan_val;
+			if ( fix->flags & REVERSE_TILT ) tilt_val = 1.0 - tilt_val;
 			set_val(dmx, fix->base_addr, cls->pan_offset, pan_val,
 			        cls->attributes16 & PANTILT);
 			set_val(dmx, fix->base_addr, cls->tilt_offset, tilt_val,
-- 
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