new track logging: record poses in various stages of processing into a file

1 files changed, 57 insertions, 0 deletions

diff --git a/opentrack-logic/tracklogger.hpp b/opentrack-logic/tracklogger.hpp
new file mode 100644
index 00000000..feed7fa2
--- /dev/null
+++ b/opentrack-logic/tracklogger.hpp
@@ -0,0 +1,57 @@
+#pragma once
+#include "main-settings.hpp"
+#include "opentrack-compat/options.hpp"
+
+#include <fstream>
+#include <QString>
+#include <QMessageBox>
+#include <QWidget>
+
+class OPENTRACK_LOGIC_EXPORT TrackLogger
+{
+public:
+    TrackLogger()
+    {
+    }
+
+    static mem<TrackLogger> make() { return std::make_shared<TrackLogger>(); }
+
+    virtual void write(const char *)
+    {
+    }
+
+    virtual void write(const double *, int n)
+    {
+    }
+
+    virtual void next_line()
+    {
+    }
+
+    void write_pose(const double *p)
+    {
+        write(p, 6);
+    }
+};
+
+
+class OPENTRACK_LOGIC_EXPORT TrackLoggerCSV : public TrackLogger
+{
+    std::ofstream out;
+    bool first_col;
+public:
+    TrackLoggerCSV(const QString &filename)  :  TrackLogger(),
+        first_col(true)
+    {
+        out.open(filename.toStdString());
+        if (!out.is_open())
+            throw std::ios_base::failure("unable to open file");
+    }
+
+    static mem<TrackLogger> make(const main_settings &s) { return std::static_pointer_cast<TrackLogger>(std::make_shared<TrackLoggerCSV>(s.tracklogging_filename)); }
+
+    virtual void write(const char *s);
+    virtual void write(const double *p, int n);
+    virtual void next_line();
+};
+