1 // Copyright 2017 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_ICCPROFILE_H_
8 #define CORE_FPDFAPI_PAGE_CPDF_ICCPROFILE_H_
9 
10 #include <memory>
11 
12 #include "core/fxcrt/observed_ptr.h"
13 #include "core/fxcrt/retain_ptr.h"
14 #include "third_party/base/span.h"
15 
16 class CPDF_Stream;
17 
18 namespace fxcodec {
19 class CLcmsCmm;
20 }  // namespace fxcodec
21 
22 class CPDF_IccProfile final : public Retainable, public Observable {
23  public:
24   CONSTRUCT_VIA_MAKE_RETAIN;
25 
GetStream()26   const CPDF_Stream* GetStream() const { return m_pStream.Get(); }
IsValid()27   bool IsValid() const { return IsSRGB() || IsSupported(); }
IsSRGB()28   bool IsSRGB() const { return m_bsRGB; }
IsSupported()29   bool IsSupported() const { return !!m_Transform; }
transform()30   fxcodec::CLcmsCmm* transform() { return m_Transform.get(); }
GetComponents()31   uint32_t GetComponents() const { return m_nSrcComponents; }
32 
33  private:
34   CPDF_IccProfile(const CPDF_Stream* pStream, pdfium::span<const uint8_t> span);
35   ~CPDF_IccProfile() override;
36 
37   const bool m_bsRGB;
38   uint32_t m_nSrcComponents = 0;
39   RetainPtr<const CPDF_Stream> const m_pStream;
40   std::unique_ptr<fxcodec::CLcmsCmm> m_Transform;
41 };
42 
43 #endif  // CORE_FPDFAPI_PAGE_CPDF_ICCPROFILE_H_
44