From e9c953fd6e56be6014c34d0b13cf41feab8b930e Mon Sep 17 00:00:00 2001
From: Gabriel Ozouf <gabriel.ozouf@numworks.com>
Date: Tue, 22 Dec 2020 10:40:53 +0100
Subject: [PATCH] [shared/interact_curve_view_range] Check orthonormality after
 zoom

Zooming in and out on a graph usually preserves orthonormality. However,
if the window has its bounds close to the limits for the values on the
axes, zooming can change the ratio.
---
 apps/shared/interactive_curve_view_range.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/shared/interactive_curve_view_range.cpp b/apps/shared/interactive_curve_view_range.cpp
index 7f38e4142..d1b6f6970 100644
--- a/apps/shared/interactive_curve_view_range.cpp
+++ b/apps/shared/interactive_curve_view_range.cpp
@@ -112,6 +112,7 @@ void InteractiveCurveViewRange::zoom(float ratio, float x, float y) {
     m_yRange.setMax(yMa, k_lowerMaxFloat, k_upperMaxFloat);
     MemoizedCurveViewRange::protectedSetYMin(yMi, k_lowerMaxFloat, k_upperMaxFloat);
   }
+  setZoomNormalize(isOrthonormal());
   m_offscreenYAxis *= ratio;
 }