From eccd3cf9124d4ff2f4569b0c1fbf7f3a7b008b4d Mon Sep 17 00:00:00 2001
From: Ronan Dalton <86718942+ronandalton@users.noreply.github.com>
Date: Thu, 1 Jul 2021 00:12:16 +1200
Subject: Fix zoom speed dependence on buffer/image width

---
 src/viewport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/viewport.c b/src/viewport.c
index e42c729..095bf71 100644
--- a/src/viewport.c
+++ b/src/viewport.c
@@ -160,7 +160,7 @@ void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *image,
   const int wc_x = view->buffer.width/2;
   const int wc_y = view->buffer.height/2;
 
-  const double scale_factor = exp(0.04 * view->buffer.width * amount / image_width);
+  const double scale_factor = pow(1.04, amount);
   view->scale *= scale_factor;
 
   const double min_scale = 0.1;
-- 
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