Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/third_party/jpeg-xl/lib/extras/hlg.h b/third_party/jpeg-xl/lib/extras/hlg.h
new file mode 100644
index 0000000000..4cfec444f4
--- /dev/null
+++ b/third_party/jpeg-xl/lib/extras/hlg.h
@@ -0,0 +1,21 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#ifndef LIB_EXTRAS_HLG_H_
+#define LIB_EXTRAS_HLG_H_
+
+#include "lib/jxl/image_bundle.h"
+
+namespace jxl {
+
+float GetHlgGamma(float peak_luminance, float surround_luminance = 5.f);
+
+Status HlgOOTF(ImageBundle* ib, float gamma, ThreadPool* pool = nullptr);
+
+Status HlgInverseOOTF(ImageBundle* ib, float gamma, ThreadPool* pool = nullptr);
+
+}  // namespace jxl
+
+#endif  // LIB_EXTRAS_HLG_H_