From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 gfx/qcms/src/lib.rs | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 gfx/qcms/src/lib.rs

(limited to 'gfx/qcms/src/lib.rs')

diff --git a/gfx/qcms/src/lib.rs b/gfx/qcms/src/lib.rs
new file mode 100644
index 0000000000..c311964ee3
--- /dev/null
+++ b/gfx/qcms/src/lib.rs
@@ -0,0 +1,72 @@
+/*! A pure Rust color management library.
+*/
+
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+#![allow(non_upper_case_globals)]
+// These are needed for the neon SIMD code and can be removed once the MSRV supports the
+// instrinsics we use
+#![cfg_attr(feature = "neon", feature(stdsimd))]
+#![cfg_attr(
+    feature = "neon",
+    feature(arm_target_feature, raw_ref_op)
+
+)]
+
+/// These values match the Rendering Intent values from the ICC spec
+#[repr(C)]
+#[derive(Clone, Copy, Debug)]
+pub enum Intent {
+    AbsoluteColorimetric = 3,
+    Saturation = 2,
+    RelativeColorimetric = 1,
+    Perceptual = 0,
+}
+
+use Intent::*;
+
+impl Default for Intent {
+    fn default() -> Self {
+        /* Chris Murphy (CM consultant) suggests this as a default in the event that we
+         * cannot reproduce relative + Black Point Compensation.  BPC brings an
+         * unacceptable performance overhead, so we go with perceptual. */
+        Perceptual
+    }
+}
+
+pub(crate) type s15Fixed16Number = i32;
+
+/* produces the nearest float to 'a' with a maximum error
+ * of 1/1024 which happens for large values like 0x40000040 */
+#[inline]
+fn s15Fixed16Number_to_float(a: s15Fixed16Number) -> f32 {
+    a as f32 / 65536.0
+}
+
+#[inline]
+fn double_to_s15Fixed16Number(v: f64) -> s15Fixed16Number {
+    (v * 65536f64) as i32
+}
+
+#[cfg(feature = "c_bindings")]
+extern crate libc;
+#[cfg(feature = "c_bindings")]
+pub mod c_bindings;
+mod chain;
+mod gtest;
+mod iccread;
+mod matrix;
+mod transform;
+pub use iccread::qcms_CIE_xyY as CIE_xyY;
+pub use iccread::qcms_CIE_xyYTRIPLE as CIE_xyYTRIPLE;
+pub use iccread::Profile;
+pub use transform::DataType;
+pub use transform::Transform;
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+mod transform_avx;
+#[cfg(all(any(target_arch = "aarch64", target_arch = "arm"), feature = "neon"))]
+mod transform_neon;
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+mod transform_sse2;
+mod transform_util;
-- 
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