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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFAPI_RENDER_CPDF_DIBTRANSFERFUNC_H_
#define CORE_FPDFAPI_RENDER_CPDF_DIBTRANSFERFUNC_H_
#include <vector>
#include "core/fxge/dib/cfx_filtereddib.h"
#include "core/fxge/fx_dib.h"
class CPDF_TransferFunc;
class CPDF_DIBTransferFunc final : public CFX_FilteredDIB {
public:
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
// CFX_FilteredDIB
FXDIB_Format GetDestFormat() override;
FX_ARGB* GetDestPalette() override;
void TranslateScanline(const uint8_t* src_buf,
std::vector<uint8_t>* dest_buf) const override;
void TranslateDownSamples(uint8_t* dest_buf,
const uint8_t* src_buf,
int pixels,
int Bpp) const override;
private:
explicit CPDF_DIBTransferFunc(
const RetainPtr<CPDF_TransferFunc>& pTransferFunc);
~CPDF_DIBTransferFunc() override;
RetainPtr<CPDF_TransferFunc> m_pTransferFunc;
const uint8_t* m_RampR;
const uint8_t* m_RampG;
const uint8_t* m_RampB;
};
#endif // CORE_FPDFAPI_RENDER_CPDF_DIBTRANSFERFUNC_H_
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