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_FXCODEC_ICC_ICCMODULE_H_
8 #define CORE_FXCODEC_ICC_ICCMODULE_H_
9 
10 #include <memory>
11 
12 #include "core/fxcodec/fx_codec_def.h"
13 #include "core/fxcrt/fx_string.h"
14 #include "core/fxcrt/fx_system.h"
15 #include "third_party/base/span.h"
16 
17 #if defined(USE_SYSTEM_LCMS2)
18 #include <lcms2.h>
19 #else
20 #include "third_party/lcms/include/lcms2.h"
21 #endif
22 
23 namespace fxcodec {
24 
25 class CLcmsCmm {
26  public:
27   CLcmsCmm(cmsHTRANSFORM transform,
28            int srcComponents,
29            bool bIsLab,
30            bool bNormal);
31   ~CLcmsCmm();
32 
transform()33   cmsHTRANSFORM transform() const { return m_hTransform; }
components()34   int components() const { return m_nSrcComponents; }
IsLab()35   bool IsLab() const { return m_bLab; }
IsNormal()36   bool IsNormal() const { return m_bNormal; }
37 
38  private:
39   const cmsHTRANSFORM m_hTransform;
40   const int m_nSrcComponents;
41   const bool m_bLab;
42   const bool m_bNormal;
43 };
44 
45 class IccModule {
46  public:
47   static std::unique_ptr<CLcmsCmm> CreateTransformSRGB(
48       pdfium::span<const uint8_t> span);
49   static void Translate(CLcmsCmm* pTransform,
50                         uint32_t nSrcComponents,
51                         const float* pSrcValues,
52                         float* pDestValues);
53   static void TranslateScanline(CLcmsCmm* pTransform,
54                                 uint8_t* pDest,
55                                 const uint8_t* pSrc,
56                                 int pixels);
57 
58   IccModule() = delete;
59   IccModule(const IccModule&) = delete;
60   IccModule& operator=(const IccModule&) = delete;
61 };
62 
63 }  // namespace fxcodec
64 
65 using CLcmsCmm = fxcodec::CLcmsCmm;
66 using IccModule = fxcodec::IccModule;
67 
68 #endif  // CORE_FXCODEC_ICC_ICCMODULE_H_
69