From 584c9bcfed7295e5e0a9d5caafb32a5020b74300 Mon Sep 17 00:00:00 2001 From: David Tardon Date: Mon, 12 Jan 2015 17:10:07 +0100 Subject: [PATCH] lrf: compute color interpolation coeff. correctly --- src/lib/LRFCollector.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/lib/LRFCollector.cpp b/src/lib/LRFCollector.cpp index 1c02593..3fbee2e 100644 --- a/src/lib/LRFCollector.cpp +++ b/src/lib/LRFCollector.cpp @@ -50,7 +50,7 @@ const LRFColor combine(const LRFColor &fg, const LRFColor &bg) { assert(0 == bg.a); - const double a = fg.a / 255.0; + const double a = 1 - fg.a / 255.0; const double r = (1 - a) * bg.r + a * fg.r; const double g = (1 - a) * bg.g + a * fg.g; -- 2.1.0