From 970c94b8ce5008ca90a1cbfaeeef5470879a138f Mon Sep 17 00:00:00 2001
From: Elia Devito <eliadevito@gmail.com>
Date: Sat, 6 Nov 2021 23:22:28 +0100
Subject: [PATCH] Round coordinates on getFaceIdAtPosition

PyQt Pixel expects integer coordinates as parameters.

This fixes the crash on cura when using the
"Select face to align to the build plate" tool
---
 UM/View/SelectionPass.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/UM/View/SelectionPass.py b/UM/View/SelectionPass.py
index f0344e3d22..945b789776 100644
--- a/UM/View/SelectionPass.py
+++ b/UM/View/SelectionPass.py
@@ -158,8 +158,8 @@ def getFaceIdAtPosition(self, x, y):
 
         window_size = self._renderer.getWindowSize()
 
-        px = (0.5 + x / 2.0) * window_size[0]
-        py = (0.5 + y / 2.0) * window_size[1]
+        px = round((0.5 + x / 2.0) * window_size[0])
+        py = round((0.5 + y / 2.0) * window_size[1])
 
         if px < 0 or px > (output.width() - 1) or py < 0 or py > (output.height() - 1):
             return -1