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-rw-r--r--third_party/jpeg-xl/lib/jxl/blending.h24
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diff --git a/third_party/jpeg-xl/lib/jxl/blending.h b/third_party/jpeg-xl/lib/jxl/blending.h
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+// 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_JXL_BLENDING_H_
+#define LIB_JXL_BLENDING_H_
+#include "lib/jxl/dec_cache.h"
+#include "lib/jxl/dec_patch_dictionary.h"
+#include "lib/jxl/image_bundle.h"
+
+namespace jxl {
+
+bool NeedsBlending(PassesDecoderState* dec_state);
+
+void PerformBlending(const float* const* bg, const float* const* fg,
+ float* const* out, size_t x0, size_t xsize,
+ const PatchBlending& color_blending,
+ const PatchBlending* ec_blending,
+ const std::vector<ExtraChannelInfo>& extra_channel_info);
+
+} // namespace jxl
+
+#endif // LIB_JXL_BLENDING_H_