From 97ab910a84d31b5ddde1734829228e4eb4d31fc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jesu=CC=81s=20A=2E=20A=CC=81lvarez?= <zydeco@namedfork.net>
Date: Thu, 30 Nov 2017 20:34:59 +0100
Subject: [PATCH] use nearest neighbour interpolation if scale is integer

---
 Mini vMac/ScreenView.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Mini vMac/ScreenView.m b/Mini vMac/ScreenView.m
index fae8822..f86c0f9 100644
--- a/Mini vMac/ScreenView.m	
+++ b/Mini vMac/ScreenView.m	
@@ -56,6 +56,10 @@ static ScreenView *sharedScreenView = nil;
     screenBounds.origin.x = (viewBounds.size.width - screenBounds.size.width)/2;
     screenBounds = CGRectIntegral(screenBounds);
     videoLayer.frame = screenBounds;
+    BOOL scaleIsIntegral = (floor(screenScale) == screenScale);
+    NSString *screenFilter = scaleIsIntegral ? kCAFilterNearest : [[NSUserDefaults standardUserDefaults] stringForKey:@"screenFilter"];
+    videoLayer.magnificationFilter = screenFilter;
+    videoLayer.minificationFilter = screenFilter;
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context {