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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SKIA_EXT_CICP_H_
#define SKIA_EXT_CICP_H_
#include <stdint.h>
#include "third_party/skia/include/core/SkColorSpace.h"
#include "third_party/skia/include/core/SkImageInfo.h"
namespace skia {
// Return the SkColorSpace resulting from the CICPGetPrimaries and
// CICPGetTransferFn. This function does not populate an SkYUVColorSpace, so
// return nullptr if `matrix_coefficients` is not the identity or
// `full_range_flag` is not full range.
SK_API sk_sp<SkColorSpace> CICPGetSkColorSpace(uint8_t color_primaries,
uint8_t transfer_characteristics,
uint8_t matrix_coefficients,
uint8_t full_range_flag,
bool prefer_srgb_trfn);
// Convert from a CICP matrix value listed in Rec. ITU-T H.273, Table 4 to an
// SkYUVColorSpace. The result depends on full or limited range as well as
// the number of bits per color. Return true if the combination of
// `matrix_coefficients`, `full_range_flag`, and `bits_per_color` is valid and
// supported (several valid combinations are not supported).
SK_API bool CICPGetSkYUVColorSpace(uint8_t matrix_coefficients,
uint8_t full_range_flag,
uint8_t bits_per_color,
SkYUVColorSpace& yuv_color_space);
} // namespace skia
#endif // SKIA_EXT_CICP_H_
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