Updated detect more loop closures with optimization check to accept (like in dbviewer). DBViewer: added Depth image edition dialog. GainCompensator: now doing it on 3 channels separatly. Export: removed gain's alpha option, added max polygons option, added brightness/contrast auto balance option

guilib/include/rtabmap/gui/ProgressDialog.h

@@ -54,6 +54,7 @@ public:
 	void setMaximumSteps(int steps);
 	void setAutoClose(bool on, int delayedClosingTimeMsec = -1);
 	void setCancelButtonVisible(bool visible);
+	bool isCanceled() const {return _canceled;}
 
 signals:
 	void canceled();
@@ -69,6 +70,7 @@ public slots:
 
 private slots:
 	void closeDialog();
+	void cancel();
 
 private:
 	QLabel * _text;
@@ -79,6 +81,7 @@ private:
 	QCheckBox * _closeWhenDoneCheckBox;
 	QString _endMessage;
 	int _delayedClosingTime; // sec
+	bool _canceled;
 };
 
 }