From 18392104cd98a38aca41bc12219b459b6bcc0076 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Mon, 21 Nov 2022 11:34:39 -0500
Subject: [PATCH] Fix byte order preventing some masks from being created

---
 SilicaViewer/Document.swift | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/SilicaViewer/Document.swift b/SilicaViewer/Document.swift
index 561eac7..74b2b08 100644
--- a/SilicaViewer/Document.swift
+++ b/SilicaViewer/Document.swift
@@ -201,7 +201,14 @@ class Document: NSDocument {
                 let render: CGColorRenderingIntent = .defaultIntent
                 let rgbColorSpace = isMask ? CGColorSpaceCreateDeviceGray() : info.colorSpace
                 
-                let bitmapInfo = CGBitmapInfo(rawValue: (isMask ? CGImageAlphaInfo.none : CGImageAlphaInfo.premultipliedLast).rawValue).union(.byteOrder32Big)
+                var bitmapInfo = CGBitmapInfo(rawValue: (isMask ? CGImageAlphaInfo.none : CGImageAlphaInfo.premultipliedLast).rawValue)
+                
+                if isMask {
+                    bitmapInfo = bitmapInfo.union(.byteOrderDefault)
+                } else {
+                    bitmapInfo = bitmapInfo.union(.byteOrder32Big)
+                }
+                
                 let providerRef: CGDataProvider? = CGDataProvider(data: imageData as CFData)
                 
                 guard let cgimage = CGImage(width: tileWidth,