Zivid C++ API  1.8.1+6967bc1b-1
Defining the Future of 3D Machine Vision
APIExport.h
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44 
45 #pragma once
46 
47 #if defined(ZIVID_API_EXPORTS)
48  #ifdef _WIN32
49  #define ZIVID_API_EXPORT __declspec(dllexport)
50  #else
51  #define ZIVID_API_EXPORT __attribute__ ((visibility ("default")))
52  #endif
53 #else
54  #ifdef _WIN32
55  #define ZIVID_API_EXPORT __declspec(dllimport)
56  #else
57  #define ZIVID_API_EXPORT
58  #endif
59 #endif
60 
61 #ifndef _WIN32
62  #define ZIVID_API_EXPORT_NON_WIN32 ZIVID_API_EXPORT
63 #else
64  #define ZIVID_API_EXPORT_NON_WIN32
65 #endif
66 
67 // For templates the symbols are exported via explicit template instantiation in the C++ files. That means the template
68 // declarations in the headers themselves do not need to be marked for export. For MSVC we want to mark these as
69 // dllimport.
70 // https://docs.microsoft.com/en-us/cpp/build/importing-into-an-application-using-declspec-dllimport?view=vs-2019:
71 // "Using __declspec(dllimport) is optional on function declarations, but the compiler produces more efficient code if
72 // you use this keyword."
73 
74 #if defined(_WIN32) && !defined(ZIVID_API_EXPORTS)
75  #define ZIVID_API_EXPORT_TEMPLATE_H __declspec(dllimport)
76 #else
77  #define ZIVID_API_EXPORT_TEMPLATE_H
78 #endif
79 
80 #define ZIVID_API_EXPORT_EXPLICIT_TEMPLATE_INSTANTIATION_CPP ZIVID_API_EXPORT
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