enc_external_image.h

// 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_EXTERNAL_IMAGE_H_

#define LIB_JXL_ENC_EXTERNAL_IMAGE_H_

// Interleaved image for color transforms and Codec.

#include <jxl/types.h>

#include <stddef.h>

#include <stdint.h>

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

#include "lib/jxl/base/span.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 ConvertFromExternalNoSizeCheck(const uint8_t* data, size_t xsize,

                                      size_t ysize, size_t stride,

                                      size_t bits_per_sample,

                                      JxlPixelFormat format, size_t c,

                                      ThreadPool* pool, ImageF* channel);

Status ConvertFromExternalNoSizeCheck(const uint8_t* data, size_t xsize,

                                      size_t ysize, size_t stride,

                                      const ColorEncoding& c_current,

                                      size_t color_channels,

                                      size_t bits_per_sample,

                                      JxlPixelFormat format, ThreadPool* pool,

                                      ImageBundle* ib);

Status ConvertFromExternal(const uint8_t* data, size_t size, size_t xsize,

                           size_t ysize, size_t bits_per_sample,

                           JxlPixelFormat format, size_t c, ThreadPool* pool,

                           ImageF* channel);

// Convert an interleaved pixel buffer to the internal ImageBundle

// representation. This is the opposite of ConvertToExternal().

Status ConvertFromExternal(Span<const uint8_t> bytes, size_t xsize,

                           size_t ysize, const ColorEncoding& c_current,

                           size_t color_channels, size_t bits_per_sample,

                           JxlPixelFormat format, ThreadPool* pool,

                           ImageBundle* ib);

Status ConvertFromExternal(Span<const uint8_t> bytes, size_t xsize,

                           size_t ysize, const ColorEncoding& c_current,

                           size_t bits_per_sample, JxlPixelFormat format,

                           ThreadPool* pool, ImageBundle* ib);

Status BufferToImageF(const JxlPixelFormat& pixel_format, size_t xsize,

                      size_t ysize, const void* buffer, size_t size,

                      ThreadPool* pool, ImageF* channel);

Status BufferToImageBundle(const JxlPixelFormat& pixel_format, uint32_t xsize,

                           uint32_t ysize, const void* buffer, size_t size,

                           jxl::ThreadPool* pool,

                           const jxl::ColorEncoding& c_current,

                           jxl::ImageBundle* ib);

}  // namespace jxl

#endif  // LIB_JXL_ENC_EXTERNAL_IMAGE_H_