37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkICC_DEFINED
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#define SkICC_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/private/base/SkAPI.h"
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#include <cstdint>
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class SkData;
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struct skcms_ICCProfile;
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struct skcms_Matrix3x3;
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struct skcms_TransferFunction;
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SK_API sk_sp<SkData> SkWriteICCProfile(const skcms_TransferFunction&,
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const skcms_Matrix3x3& toXYZD50);
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SK_API sk_sp<SkData> SkWriteICCProfile(const skcms_ICCProfile*, const char* description);
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// Utility function for populating the grid_16 member of skcms_A2B and skcms_B2A
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// structures. This converts a point in XYZD50 to its representation in grid_16_lab.
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// It will write 6 bytes. The behavior of this function matches how skcms will decode
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// values, but might not match the specification, see https://crbug.com/skia/13807.
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SK_API void SkICCFloatXYZD50ToGrid16Lab(const float* float_xyz, uint8_t* grid16_lab);
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// Utility function for popluating the table_16 member of skcms_Curve structure.
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// This converts a float to its representation in table_16. It will write 2 bytes.
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SK_API void SkICCFloatToTable16(const float f, uint8_t* table_16);
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#endif//SkICC_DEFINED
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