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_COLORSTATE_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_ 9 10 #include "core/fpdfapi/page/cpdf_color.h" 11 #include "core/fxcrt/cfx_shared_copy_on_write.h" 12 #include "core/fxcrt/fx_basic.h" 13 #include "core/fxcrt/fx_system.h" 14 15 class CPDF_Color; 16 class CPDF_ColorSpace; 17 class CPDF_Pattern; 18 19 class CPDF_ColorState { 20 public: 21 CPDF_ColorState(); 22 CPDF_ColorState(const CPDF_ColorState& that); 23 ~CPDF_ColorState(); 24 25 void Emplace(); 26 void SetDefault(); 27 28 uint32_t GetFillRGB() const; 29 void SetFillRGB(uint32_t rgb); 30 31 uint32_t GetStrokeRGB() const; 32 void SetStrokeRGB(uint32_t rgb); 33 34 const CPDF_Color* GetFillColor() const; 35 CPDF_Color* GetMutableFillColor(); 36 bool HasFillColor() const; 37 38 const CPDF_Color* GetStrokeColor() const; 39 CPDF_Color* GetMutableStrokeColor(); 40 bool HasStrokeColor() const; 41 42 void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues); 43 void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues); 44 void SetFillPattern(CPDF_Pattern* pattern, 45 FX_FLOAT* pValue, 46 uint32_t nValues); 47 void SetStrokePattern(CPDF_Pattern* pattern, 48 FX_FLOAT* pValue, 49 uint32_t nValues); 50 51 explicit operator bool() const { return !!m_Ref; } 52 53 private: 54 class ColorData { 55 public: 56 ColorData(); 57 ColorData(const ColorData& src); 58 ~ColorData(); 59 60 void SetDefault(); 61 62 uint32_t m_FillRGB; 63 uint32_t m_StrokeRGB; 64 CPDF_Color m_FillColor; 65 CPDF_Color m_StrokeColor; 66 }; 67 68 void SetColor(CPDF_Color& color, 69 uint32_t& rgb, 70 CPDF_ColorSpace* pCS, 71 FX_FLOAT* pValue, 72 uint32_t nValues); 73 74 CFX_SharedCopyOnWrite<ColorData> m_Ref; 75 }; 76 77 #endif // CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_ 78
