LibGfx: Add a XYZ->XYZNumber conversion constructor

This is useful for converting XYZs back to the on-disk format.
Author: https://github.com/nico Commit: 0ab3f45135 Pull-request: https://github.com/SerenityOS/serenity/pull/17506 Reviewed-by: https://github.com/ADKaster
2025-09-08 18:46:03 +00:00 · 2023-02-17 13:12:12 -05:00 · 2023-02-17 13:12:12 -05:00 · 0ab3f45135 · 2024-07-17 02:29:45 +09:00
commit 0ab3f45135
parent 0ca620a286
1 changed files with 10 additions and 0 deletions
--- 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 };