From 445ebbfa3edc12bd79469a61c25257fe853c3768 Mon Sep 17 00:00:00 2001
From: Wim Vriend <facetracknoir@gmail.com>
Date: Sat, 22 Jan 2011 15:21:34 +0000
Subject: Work on DLL-FTNoir-Tracker.

git-svn-id: svn+ssh://svn.code.sf.net/p/facetracknoir/code@41 19e81ba0-9b1a-49c3-bd6c-561e1906d5fb
---
 FTNoIR_Tracker_UDP/ftnoir_tracker_base.h | 48 ++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 FTNoIR_Tracker_UDP/ftnoir_tracker_base.h

(limited to 'FTNoIR_Tracker_UDP/ftnoir_tracker_base.h')

diff --git a/FTNoIR_Tracker_UDP/ftnoir_tracker_base.h b/FTNoIR_Tracker_UDP/ftnoir_tracker_base.h
new file mode 100644
index 00000000..60c26ee1
--- /dev/null
+++ b/FTNoIR_Tracker_UDP/ftnoir_tracker_base.h
@@ -0,0 +1,48 @@
+#ifndef FTNOIR_TRACKER_BASE_H
+#define FTNOIR_TRACKER_BASE_H
+
+#include "ftnoir_tracker_base_global.h"
+
+//
+// x,y,z position in centimetres, yaw, pitch and roll in degrees...
+//
+#pragma pack(push, 2)
+struct THeadPoseData {
+	double x, y, z, yaw, pitch, roll;
+};
+#pragma pack(pop)
+
+// COM-Like abstract interface.
+// This interface doesn't require __declspec(dllexport/dllimport) specifier.
+// Method calls are dispatched via virtual table.
+// Any C++ compiler can use it.
+// Instances are obtained via factory function.
+struct ITracker
+{
+    virtual int Foo(int n) = 0;
+    virtual void Release() = 0;
+	virtual void Initialize() = 0;
+	virtual void StartTracker() = 0;
+	virtual void GiveHeadPoseData(THeadPoseData *data) = 0;
+};
+
+// Handle type. In C++ language the iterface type is used.
+typedef ITracker* TRACKERHANDLE;
+
+////////////////////////////////////////////////////////////////////////////////
+// 
+#ifdef __cplusplus
+#   define EXTERN_C     extern "C"
+#else
+#   define EXTERN_C
+#endif // __cplusplus
+
+// Factory function that creates instances of the Xyz object.
+EXTERN_C
+FTNOIR_TRACKER_BASE_EXPORT
+TRACKERHANDLE
+__stdcall
+GetTracker(
+    void);
+
+#endif // FTNOIR_TRACKER_BASE_H
-- 
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