From 4a933f7764457cd0cc8cba94b7c36c72ea2be5a5 Mon Sep 17 00:00:00 2001
From: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date: Mon, 15 Aug 2022 11:53:39 -0700
Subject: [PATCH] viewer: makeCurrent before retrieving pixel at cursor

Fixes crash if viewer was somehow made not current (e.g. if the export dialog was shown)
---
 app/widget/viewer/viewerdisplay.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/widget/viewer/viewerdisplay.cpp b/app/widget/viewer/viewerdisplay.cpp
index 1357af21a..e420669d8 100644
--- a/app/widget/viewer/viewerdisplay.cpp
+++ b/app/widget/viewer/viewerdisplay.cpp
@@ -889,6 +889,8 @@ void ViewerDisplayWidget::EmitColorAtCursor(QMouseEvent *e)
       QPointF pixel_pos = GenerateDisplayTransform().inverted().map(e->pos());
       pixel_pos /= texture_->params().divider();
 
+      makeCurrent();
+
       reference = renderer()->GetPixelFromTexture(texture_.get(), pixel_pos);
       display = color_service()->ConvertColor(reference);
     }