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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_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ | |
8 #define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ | |
9 | |
10 #include <memory> | |
11 | |
12 #include "core/fxcrt/include/fx_string.h" | |
13 #include "core/fxcrt/include/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 FX_BOOL sRGB() const; | |
51 virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, | |
52 FX_FLOAT& R, | |
53 FX_FLOAT& G, | |
54 FX_FLOAT& B) const = 0; | |
55 virtual FX_BOOL SetRGB(FX_FLOAT* pBuf, | |
56 FX_FLOAT R, | |
57 FX_FLOAT G, | |
58 FX_FLOAT B) const; | |
59 | |
60 FX_BOOL GetCMYK(FX_FLOAT* pBuf, | |
61 FX_FLOAT& c, | |
62 FX_FLOAT& m, | |
63 FX_FLOAT& y, | |
64 FX_FLOAT& k) const; | |
65 FX_BOOL SetCMYK(FX_FLOAT* pBuf, | |
66 FX_FLOAT c, | |
67 FX_FLOAT m, | |
68 FX_FLOAT y, | |
69 FX_FLOAT k) const; | |
70 | |
71 virtual void TranslateImageLine(uint8_t* dest_buf, | |
72 const uint8_t* src_buf, | |
73 int pixels, | |
74 int image_width, | |
75 int image_height, | |
76 FX_BOOL bTransMask = FALSE) const; | |
77 | |
78 CPDF_Array*& GetArray() { return m_pArray; } | |
79 virtual CPDF_ColorSpace* GetBaseCS() const; | |
80 | |
81 virtual void EnableStdConversion(FX_BOOL bEnabled); | |
82 | |
83 CPDF_Document* const m_pDocument; | |
84 | |
85 protected: | |
86 CPDF_ColorSpace(CPDF_Document* pDoc, int family, uint32_t nComponents); | |
87 virtual ~CPDF_ColorSpace(); | |
88 | |
89 virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray); | |
90 virtual FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, | |
91 FX_FLOAT& c, | |
92 FX_FLOAT& m, | |
93 FX_FLOAT& y, | |
94 FX_FLOAT& k) const; | |
95 virtual FX_BOOL v_SetCMYK(FX_FLOAT* pBuf, | |
96 FX_FLOAT c, | |
97 FX_FLOAT m, | |
98 FX_FLOAT y, | |
99 FX_FLOAT k) const; | |
100 | |
101 int m_Family; | |
102 uint32_t m_nComponents; | |
103 CPDF_Array* m_pArray; | |
104 uint32_t m_dwStdConversion; | |
105 }; | |
106 | |
107 namespace std { | |
108 | |
109 // Make std::unique_ptr<CPDF_ColorSpace> call Release() rather than | |
110 // simply deleting the object. | |
111 template <> | |
112 struct default_delete<CPDF_ColorSpace> { | |
113 void operator()(CPDF_ColorSpace* pColorSpace) const { | |
114 if (pColorSpace) | |
115 pColorSpace->Release(); | |
116 } | |
117 }; | |
118 | |
119 } // namespace std | |
120 | |
121 #endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ | |
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