From 0ab3f45135e33e2df054594bfa1baa412bdaa9f1 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Fri, 17 Feb 2023 13:12:12 -0500
Subject: [PATCH] LibGfx: Add a XYZ->XYZNumber conversion constructor

This is useful for converting XYZs back to the on-disk format.
---
 Userland/Libraries/LibGfx/ICC/BinaryFormat.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Userland/Libraries/LibGfx/ICC/BinaryFormat.h b/Userland/Libraries/LibGfx/ICC/BinaryFormat.h
index 1ee3302380..c9952a4b62 100644
--- a/Userland/Libraries/LibGfx/ICC/BinaryFormat.h
+++ b/Userland/Libraries/LibGfx/ICC/BinaryFormat.h
@@ -10,6 +10,7 @@
 #include <LibGfx/ICC/DistinctFourCC.h>
 #include <LibGfx/ICC/Profile.h>
 #include <LibGfx/ICC/TagTypes.h>
+#include <math.h>
 
 namespace Gfx::ICC {
 
@@ -36,6 +37,15 @@ struct XYZNumber {
     BigEndian<s15Fixed16Number> y;
     BigEndian<s15Fixed16Number> z;
 
+    XYZNumber() = default;
+
+    XYZNumber(XYZ const& xyz)
+        : x(round(xyz.x * 0x1'0000))
+        , y(round(xyz.y * 0x1'0000))
+        , z(round(xyz.z * 0x1'0000))
+    {
+    }
+
     operator XYZ() const
     {
         return XYZ { x / (double)0x1'0000, y / (double)0x1'0000, z / (double)0x1'0000 };