cpdf_stitchfunc.h

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// Copyright 2017 The PDFium Authors
// 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_STITCHFUNC_H_
#define CORE_FPDFAPI_PAGE_CPDF_STITCHFUNC_H_
 
#include <memory>
#include <vector>
 
#include "core/fpdfapi/page/cpdf_function.h"
 
class CPDF_StitchFunc final : public CPDF_Function {
 public:
  CPDF_StitchFunc();
  ~CPDF_StitchFunc() override;
 
  // CPDF_Function:
  bool v_Init(const CPDF_Object* pObj, VisitedSet* pVisited) override;
  bool v_Call(pdfium::span<const float> inputs,
              pdfium::span<float> results) const override;
 
  const std::vector<std::unique_ptr<CPDF_Function>>& GetSubFunctions() const {
    return m_pSubFunctions;
  }
  float GetBound(size_t i) const { return m_bounds[i]; }
  float GetEncode(size_t i) const { return m_encode[i]; }
 
 private:
  std::vector<std::unique_ptr<CPDF_Function>> m_pSubFunctions;
  std::vector<float> m_bounds;
  std::vector<float> m_encode;
};
 
#endif  // CORE_FPDFAPI_PAGE_CPDF_STITCHFUNC_H_