Generating import library on Windows builds

.gitlab-ci.yml

@@ -570,3 +570,4 @@ windows:
     - 69-support-for-epiphan-on-windows-10
     - 75-build-against-epiphan-sdk-on-windows-10-for-69
     - 78-opencv-free-epiphan-on-windows-10-for-69
+    - 84-generate-import-library-on-windows-builds-for-69

src/CMakeLists.txt

@@ -169,6 +169,11 @@ endif(USE_NUMPY AND NOT BUILD_PYTHON)
 # Library name
 SET(NAME giftgrab)
 
+# For generating import lib in Windows
+if(WIN32)
+    INCLUDE_DIRECTORIES("${CMAKE_CURRENT_BINARY_DIR}")
+endif()
+
 # Library include dirs
 INCLUDE_DIRECTORIES(api)
 INCLUDE_DIRECTORIES(utils)
@@ -187,6 +192,7 @@ SET(HEADERS
     api/videosourcefactory.h
     api/videotargetfactory.h
     api/except.h
+    api/exports.h
 )
 SET(SOURCES
     api/iobservable.cpp
@@ -347,6 +353,16 @@ if(BUILD_PYTHON)
     LIST(APPEND INSTALLABLES ${NAME_PYTHON})
 endif(BUILD_PYTHON)
 
+# For generating import lib in Windows
+if(WIN32)
+    INCLUDE(GenerateExportHeader)
+
+    GENERATE_EXPORT_HEADER(${NAME}
+        EXPORT_MACRO_NAME GG_EXPORTS
+        EXPORT_FILE_NAME gg_exports_win.h
+        STATIC_DEFINE SHARED_EXPORTS_BUILT_AS_STATIC
+        )
+endif()
 
 # Install
 INSTALL(

src/api/except.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include <stdexcept>
 #include <string>
 
@@ -13,7 +14,7 @@ namespace gg {
 //! \attention <b>In Python:</b> This exception
 //! maps to \c RuntimeError
 //!
-class BasicException : public std::exception {
+class GG_EXPORTS BasicException : public std::exception {
 protected:
     //!
     //! \brief Exception details
@@ -47,7 +48,7 @@ class BasicException : public std::exception {
 //! \attention <b>In Python:</b> This exception
 //! maps to \c IOError
 //!
-class DeviceAlreadyConnected : public BasicException
+class GG_EXPORTS DeviceAlreadyConnected : public BasicException
 {
 public:
     //!
@@ -71,7 +72,7 @@ class DeviceAlreadyConnected : public BasicException
 //! \attention <b>In Python:</b> This exception
 //! maps to \c IOError
 //!
-class DeviceNotFound : public BasicException {
+class GG_EXPORTS DeviceNotFound : public BasicException {
 public:
     //!
     //! \brief
@@ -94,7 +95,7 @@ class DeviceNotFound : public BasicException {
 //! \attention <b>In Python:</b> This exception
 //! maps to \c IOError
 //!
-class DeviceOffline : public BasicException {
+class GG_EXPORTS DeviceOffline : public BasicException {
 public:
     //!
     //! \brief
@@ -117,7 +118,7 @@ class DeviceOffline : public BasicException {
 //! \attention <b>In Python:</b> This exception
 //! maps to \c RuntimeError
 //!
-class VideoTargetError : public BasicException
+class GG_EXPORTS VideoTargetError : public BasicException
 {
 public:
     //!
@@ -141,7 +142,7 @@ class VideoTargetError : public BasicException
 //! \attention <b>In Python:</b> This exception
 //! maps to \c RuntimeError
 //!
-class VideoSourceError : public BasicException
+class GG_EXPORTS VideoSourceError : public BasicException
 {
 public:
     //!
@@ -164,7 +165,7 @@ class VideoSourceError : public BasicException
 //! \attention <b>In Python:</b> This exception
 //! maps to \c RuntimeError
 //!
-class ObserverError : public BasicException
+class GG_EXPORTS ObserverError : public BasicException
 {
 public:
     //!
@@ -187,7 +188,7 @@ class ObserverError : public BasicException
 //! \attention <b>In Python:</b> This exception
 //! maps to \c IOError
 //!
-class NetworkSourceUnavailable : public BasicException
+class GG_EXPORTS NetworkSourceUnavailable : public BasicException
 {
 public:
     //!

src/api/exports.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#ifdef WIN32
+#include "gg_exports_win.h"
+#else
+#define GG_EXPORTS
+#endif

src/api/iobservable.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "iobserver.h"
 #include <vector>
 #include <mutex>
@@ -39,7 +40,7 @@ namespace gg
 //! ensuring data is promptly copied to their own
 //! data buffer.
 //!
-class IObservable
+class GG_EXPORTS IObservable
 {
 protected:
     //!

src/api/iobserver.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "videoframe.h"
 
 namespace gg
@@ -32,7 +33,7 @@ namespace gg
 //!         pass
 //! \endcode
 //!
-class IObserver
+class GG_EXPORTS IObserver
 {
 public:
     //!

src/api/ivideosource.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "videoframe.h"
 #include "except.h"
 #include "iobservable.h"
@@ -12,7 +13,7 @@
 //! This enables the underlying algorithms to be agnostic of
 //! the data sources.
 //!
-class IVideoSource : public gg::IObservable
+class GG_EXPORTS IVideoSource : public gg::IObservable
 {
 public:
     //!

src/api/ivideotarget.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "videoframe.h"
 #include "except.h"
 #include "iobserver.h"
@@ -14,7 +15,7 @@ namespace gg
 //! functionality to save streamed video e.g.
 //! to files
 //!
-class IVideoTarget : public IObserver
+class GG_EXPORTS IVideoTarget : public IObserver
 {
 protected:
     //!

src/api/videoframe.h

@@ -14,6 +14,7 @@ namespace cv
 #endif
 #endif // USE_OPENCV
 
+#include "exports.h"
 #include <memory>
 #include "maskframe.h"
 #include "except.h"
@@ -44,7 +45,7 @@ enum ColourSpace
 //! within a single frame object, so as to preserve temporal
 //! relations and to facilitate potential stereo encoding.
 //!
-class VideoFrame
+class GG_EXPORTS VideoFrame
 {
 protected:
     //!

src/api/videosourcefactory.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "ivideosource.h"
 #include "device.h"
 #include "codec.h"
@@ -22,7 +23,7 @@ namespace gg
 //! \sa IVideoSource
 //! \sa Device
 //!
-class VideoSourceFactory
+class GG_EXPORTS VideoSourceFactory
 {
 protected:
     //!

src/api/videotargetfactory.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "exports.h"
 #include "macros.h"
 #include "codec.h"
 #include "ivideotarget.h"
@@ -19,7 +20,7 @@ namespace gg
 //!
 //! \sa IVideoTarget
 //!
-class VideoTargetFactory
+class GG_EXPORTS VideoTargetFactory
 {
 protected:
     //!