text: // 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_PATTERNCS_H_
  #define CORE_FPDFAPI_PAGE_CPDF_PATTERNCS_H_
  
  #include <set>
  
  #include "core/fpdfapi/page/cpdf_colorspace.h"
  
  class CPDF_Document;
  
  class CPDF_PatternCS : public CPDF_ColorSpace {
   public:
    explicit CPDF_PatternCS(CPDF_Document* pDoc);
    ~CPDF_PatternCS() override;
  
    // Called for the stock pattern, since it is initialized via Load().
    void InitializeStockPattern();
  
    // CPDF_ColorSpace:
    uint32_t v_Load(CPDF_Document* pDoc,
                    CPDF_Array* pArray,
                    std::set<CPDF_Object*>* pVisited) override;
    bool GetRGB(float* pBuf, float* R, float* G, float* B) const override;
  
   private:
    CPDF_ColorSpace* m_pBaseCS;
    CPDF_CountedColorSpace* m_pCountedBaseCS;
  };
  
  #endif  // CORE_FPDFAPI_PAGE_CPDF_PATTERNCS_H_
  