// Copyright 2017 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_PAGE_CPDF_SAMPLEDFUNC_H_ #define CORE_FPDFAPI_PAGE_CPDF_SAMPLEDFUNC_H_ #include <vector> #include "core/fpdfapi/page/cpdf_function.h" #include "core/fpdfapi/parser/cpdf_stream_acc.h" #include "core/fxcrt/retain_ptr.h" class CPDF_SampledFunc : public CPDF_Function { public: struct SampleEncodeInfo { float encode_max; float encode_min; uint32_t sizes; }; struct SampleDecodeInfo { float decode_max; float decode_min; }; CPDF_SampledFunc(); ~CPDF_SampledFunc() override; // CPDF_Function bool v_Init(CPDF_Object* pObj) override; bool v_Call(float* inputs, float* results) const override; const std::vector<SampleEncodeInfo>& GetEncodeInfo() const { return m_EncodeInfo; } uint32_t GetBitsPerSample() const { return m_nBitsPerSample; } RetainPtr<CPDF_StreamAcc> GetSampleStream() const { return m_pSampleStream; } private: std::vector<SampleEncodeInfo> m_EncodeInfo; std::vector<SampleDecodeInfo> m_DecodeInfo; uint32_t m_nBitsPerSample; uint32_t m_SampleMax; RetainPtr<CPDF_StreamAcc> m_pSampleStream; }; #endif // CORE_FPDFAPI_PAGE_CPDF_SAMPLEDFUNC_H_