SoScXMLZoomTarget.h

#ifndef COIN_SOSCXMLZOOMTARGET_H
#define COIN_SOSCXMLZOOMTARGET_H
 
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#include <Inventor/navigation/SoScXMLNavigationTarget.h>
 
class SoCamera;
class SoPerspectiveCamera;
class SoOrthographicCamera;
class SoFrustumCamera;
 
#define COIN_NAVIGATION_ZOOM_TARGET_EVENT_PREFIX SOSCXML_NAVIGATION_TARGETTYPE ".Zoom"
 
class COIN_DLL_API SoScXMLZoomTarget : public SoScXMLNavigationTarget {
  typedef SoScXMLNavigationTarget inherited;
  SCXML_OBJECT_HEADER(SoScXMLZoomTarget)
 
public:
  static void initClass(void);
  static void cleanClass(void);
 
  static SoScXMLZoomTarget * constructSingleton(void);
  static void destructSingleton(void);
  static SoScXMLZoomTarget * singleton(void);
 
  static const SbName & BEGIN(void);
  static const SbName & UPDATE(void);
  static const SbName & END(void);
  static const SbName & ZOOM(void);
  static const SbName & ZOOM_IN(void);
  static const SbName & ZOOM_OUT(void);
  static const SbName & RESET(void);
 
  static void zoom(SoCamera * camera, float factor);
  static void reset(SoCamera * camera);
 
protected:
  SoScXMLZoomTarget(void);
  virtual ~SoScXMLZoomTarget(void);
 
  virtual SbBool processOneEvent(const ScXMLEvent * event);
 
private:
  class PImpl;
  static SoScXMLZoomTarget * theSingleton;
 
}; // SoScXMLZoomTarget
 
#endif // !COIN_SOSCXMLZOOMTARGET_H