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_COLORSPACE_H_ 8 #define CORE_FPDFAPI_PAGE_CPDF_COLORSPACE_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_string.h" 13 #include "core/fxcrt/fx_system.h" 14 15 #define PDFCS_DEVICEGRAY 1 16 #define PDFCS_DEVICERGB 2 17 #define PDFCS_DEVICECMYK 3 18 #define PDFCS_CALGRAY 4 19 #define PDFCS_CALRGB 5 20 #define PDFCS_LAB 6 21 #define PDFCS_ICCBASED 7 22 #define PDFCS_SEPARATION 8 23 #define PDFCS_DEVICEN 9 24 #define PDFCS_INDEXED 10 25 #define PDFCS_PATTERN 11 26 27 class CPDF_Array; 28 class CPDF_Document; 29 class CPDF_Object; 30 31 class CPDF_ColorSpace { 32 public: 33 static CPDF_ColorSpace* GetStockCS(int Family); 34 static CPDF_ColorSpace* ColorspaceFromName(const CFX_ByteString& name); 35 static std::unique_ptr<CPDF_ColorSpace> Load(CPDF_Document* pDoc, 36 CPDF_Object* pCSObj); 37 38 void Release(); 39 40 int GetBufSize() const; 41 FX_FLOAT* CreateBuf(); 42 void GetDefaultColor(FX_FLOAT* buf) const; 43 uint32_t CountComponents() const; 44 int GetFamily() const { return m_Family; } 45 virtual void GetDefaultValue(int iComponent, 46 FX_FLOAT& value, 47 FX_FLOAT& min, 48 FX_FLOAT& max) const; 49 50 bool sRGB() const; 51 virtual bool GetRGB(FX_FLOAT* pBuf, 52 FX_FLOAT& R, 53 FX_FLOAT& G, 54 FX_FLOAT& B) const = 0; 55 virtual bool SetRGB(FX_FLOAT* pBuf, FX_FLOAT R, FX_FLOAT G, FX_FLOAT B) const; 56 57 bool GetCMYK(FX_FLOAT* pBuf, 58 FX_FLOAT& c, 59 FX_FLOAT& m, 60 FX_FLOAT& y, 61 FX_FLOAT& k) const; 62 bool SetCMYK(FX_FLOAT* pBuf, 63 FX_FLOAT c, 64 FX_FLOAT m, 65 FX_FLOAT y, 66 FX_FLOAT k) const; 67 68 virtual void TranslateImageLine(uint8_t* dest_buf, 69 const uint8_t* src_buf, 70 int pixels, 71 int image_width, 72 int image_height, 73 bool bTransMask = false) const; 74 75 CPDF_Array*& GetArray() { return m_pArray; } 76 virtual CPDF_ColorSpace* GetBaseCS() const; 77 78 virtual void EnableStdConversion(bool bEnabled); 79 80 CPDF_Document* const m_pDocument; 81 82 protected: 83 CPDF_ColorSpace(CPDF_Document* pDoc, int family, uint32_t nComponents); 84 virtual ~CPDF_ColorSpace(); 85 86 virtual bool v_Load(CPDF_Document* pDoc, CPDF_Array* pArray); 87 virtual bool v_GetCMYK(FX_FLOAT* pBuf, 88 FX_FLOAT& c, 89 FX_FLOAT& m, 90 FX_FLOAT& y, 91 FX_FLOAT& k) const; 92 virtual bool v_SetCMYK(FX_FLOAT* pBuf, 93 FX_FLOAT c, 94 FX_FLOAT m, 95 FX_FLOAT y, 96 FX_FLOAT k) const; 97 98 int m_Family; 99 uint32_t m_nComponents; 100 CPDF_Array* m_pArray; 101 uint32_t m_dwStdConversion; 102 }; 103 104 namespace std { 105 106 // Make std::unique_ptr<CPDF_ColorSpace> call Release() rather than 107 // simply deleting the object. 108 template <> 109 struct default_delete<CPDF_ColorSpace> { 110 void operator()(CPDF_ColorSpace* pColorSpace) const { 111 if (pColorSpace) 112 pColorSpace->Release(); 113 } 114 }; 115 116 } // namespace std 117 118 #endif // CORE_FPDFAPI_PAGE_CPDF_COLORSPACE_H_ 119
