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1 // Copyright 2017 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef CORE_FPDFAPI_PAGE_CPDF_PATTERNCS_H_
8 #define CORE_FPDFAPI_PAGE_CPDF_PATTERNCS_H_
9 
10 #include <set>
11 
12 #include "core/fpdfapi/page/cpdf_colorspace.h"
13 
14 class CPDF_Document;
15 
16 class CPDF_PatternCS : public CPDF_ColorSpace {
17  public:
18   explicit CPDF_PatternCS(CPDF_Document* pDoc);
19   ~CPDF_PatternCS() override;
20 
21   // Called for the stock pattern, since it is initialized via Load().
22   void InitializeStockPattern();
23 
24   // CPDF_ColorSpace:
25   uint32_t v_Load(CPDF_Document* pDoc,
26                   CPDF_Array* pArray,
27                   std::set<CPDF_Object*>* pVisited) override;
28   bool GetRGB(float* pBuf, float* R, float* G, float* B) const override;
29 
30  private:
31   CPDF_ColorSpace* m_pBaseCS;
32   CPDF_CountedColorSpace* m_pCountedBaseCS;
33 };
34 
35 #endif  // CORE_FPDFAPI_PAGE_CPDF_PATTERNCS_H_
36