enc_image_bundle.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_ENC_IMAGE_BUNDLE_H_

#define LIB_JXL_ENC_IMAGE_BUNDLE_H_

#include <jxl/cms_interface.h>

#include "lib/jxl/base/data_parallel.h"

#include "lib/jxl/base/rect.h"

#include "lib/jxl/base/status.h"

#include "lib/jxl/color_encoding_internal.h"

#include "lib/jxl/image.h"

#include "lib/jxl/image_bundle.h"

namespace jxl {

Status ApplyColorTransform(const ColorEncoding& c_current,

                           float intensity_target, const Image3F& color,

                           const ImageF* black, const Rect& rect,

                           const ColorEncoding& c_desired,

                           const JxlCmsInterface& cms, ThreadPool* pool,

                           Image3F* out);

// Does color transformation from in.c_current() to c_desired if the color

// encodings are different, or nothing if they are already the same.

// If color transformation is done, stores the transformed values into store and

// sets the out pointer to store, else leaves store untouched and sets the out

// pointer to &in.

// Returns false if color transform fails.

Status TransformIfNeeded(const ImageBundle& in, const ColorEncoding& c_desired,

                         const JxlCmsInterface& cms, ThreadPool* pool,

                         ImageBundle* store, const ImageBundle** out);

}  // namespace jxl

#endif  // LIB_JXL_ENC_IMAGE_BUNDLE_H_