adding service worker structure for dicomscan skullremoval and volumepreparation

SkullRemovalWorker.cpp

@@ -0,0 +1,44 @@
+#include "SkullRemovalWorker.h"
+#include "SkullRemovalService.h"
+
+#include <vtkImageData.h>
+
+#include <QString>
+
+SkullRemovalWorker::SkullRemovalWorker(QObject* parent)
+    : QObject(parent)
+{
+}
+
+void SkullRemovalWorker::run(vtkImageData* inputVolume, double thr_low, double thr_up)
+{
+    m_abort.store(false);
+    emit skull_mask_upd("Skull masking...", 0.0);
+
+    SkullRemovalService svc;
+    try {
+        vtkImageData* out = svc.run(
+            inputVolume, thr_low, thr_up, &m_abort,
+            [&](const std::string& msg, double p) { emit skull_mask_upd(QString::fromStdString(msg), p * 100.0); });
+
+        if (m_abort.load()) {
+            if (out) out->Delete();
+            emit aborted();
+            return;
+        }
+
+        emit skull_mask_upd("Skull masking done", 100.0);
+        emit skull_mask_end(out); // receiver should Delete() if needed (or deep copy)
+    } catch (const std::exception& e) {
+        if (m_abort.load()) {
+            emit aborted();
+            return;
+        }
+        emit errMsg(QString(e.what()));
+    }
+}
+
+void SkullRemovalWorker::abort()
+{
+    m_abort.store(true);
+}