1 // Copyright 2016 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_PATTERN_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_PATTERN_H_ 9 10 #include "core/fpdfapi/page/cpdf_countedobject.h" 11 #include "core/fxcrt/fx_coordinates.h" 12 #include "core/fxcrt/fx_system.h" 13 #include "core/fxcrt/unowned_ptr.h" 14 15 class CPDF_Document; 16 class CPDF_Object; 17 class CPDF_ShadingPattern; 18 class CPDF_TilingPattern; 19 20 class CPDF_Pattern { 21 public: 22 enum PatternType { TILING = 1, SHADING }; 23 24 virtual ~CPDF_Pattern(); 25 26 virtual CPDF_TilingPattern* AsTilingPattern() = 0; 27 virtual CPDF_ShadingPattern* AsShadingPattern() = 0; 28 29 // All the getters that return pointers return non-NULL pointers. document()30 CPDF_Document* document() const { return m_pDocument.Get(); } pattern_obj()31 CPDF_Object* pattern_obj() const { return m_pPatternObj.Get(); } pattern_to_form()32 CFX_Matrix* pattern_to_form() { return &m_Pattern2Form; } parent_matrix()33 const CFX_Matrix& parent_matrix() const { return m_ParentMatrix; } 34 35 protected: 36 CPDF_Pattern(CPDF_Document* pDoc, 37 CPDF_Object* pObj, 38 const CFX_Matrix& parentMatrix); 39 40 void SetPatternToFormMatrix(); 41 42 private: 43 UnownedPtr<CPDF_Document> const m_pDocument; 44 UnownedPtr<CPDF_Object> const m_pPatternObj; 45 CFX_Matrix m_Pattern2Form; 46 const CFX_Matrix m_ParentMatrix; 47 }; 48 using CPDF_CountedPattern = CPDF_CountedObject<CPDF_Pattern>; 49 50 #endif // CORE_FPDFAPI_PAGE_CPDF_PATTERN_H_ 51