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/jxl/chroma_from_luma.cc b/third_party/jpeg-xl/lib/jxl/chroma_from_luma.cc
new file mode 100644
index 0000000000..63d21cbb4b
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jxl/chroma_from_luma.cc
@@ -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.
+
+#include "lib/jxl/chroma_from_luma.h"
+
+namespace jxl {
+
+ColorCorrelationMap::ColorCorrelationMap(size_t xsize, size_t ysize, bool XYB)
+    : ytox_map(DivCeil(xsize, kColorTileDim), DivCeil(ysize, kColorTileDim)),
+      ytob_map(DivCeil(xsize, kColorTileDim), DivCeil(ysize, kColorTileDim)) {
+  ZeroFillImage(&ytox_map);
+  ZeroFillImage(&ytob_map);
+  if (!XYB) {
+    base_correlation_b_ = 0;
+  }
+  RecomputeDCFactors();
+}
+
+}  // namespace jxl