mitkDisplayGeometry.h
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00001 /*========================================================================= 00002 00003 Program: Medical Imaging & Interaction Toolkit 00004 Language: C++ 00005 Date: $Date$ 00006 Version: $Revision$ 00007 00008 Copyright (c) German Cancer Research Center, Division of Medical and 00009 Biological Informatics. All rights reserved. 00010 See MITKCopyright.txt or https://www.mitk.org/copyright.html for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 00018 00019 #ifndef mitkDisplayGeometry_h 00020 #define mitkDisplayGeometry_h 00021 00022 #include "mitkGeometry2D.h" 00023 00024 namespace mitk 00025 { 00026 00067 class MITK_CORE_EXPORT DisplayGeometry : public Geometry2D 00068 { 00069 00070 public: 00071 00072 mitkClassMacro(DisplayGeometry,Geometry2D); 00073 00075 itkNewMacro(Self); 00076 00078 virtual AffineGeometryFrame3D::Pointer Clone() const; 00079 00080 virtual bool IsValid() const; 00081 00083 virtual unsigned long GetMTime() const; 00084 00085 virtual const TimeBounds& GetTimeBounds() const; 00086 00087 00088 00089 // size definition methods 00090 00091 virtual void SetWorldGeometry(const Geometry2D* aWorldGeometry); 00092 itkGetConstObjectMacro(WorldGeometry, Geometry2D); 00093 00095 virtual bool SetOriginInMM(const Vector2D& origin_mm); 00096 00097 virtual Vector2D GetOriginInMM() const; 00098 virtual Vector2D GetOriginInDisplayUnits() const; 00099 00112 virtual void SetSizeInDisplayUnits(unsigned int width, unsigned int height, bool keepDisplayedRegion=true); 00113 virtual Vector2D GetSizeInDisplayUnits() const; 00114 virtual Vector2D GetSizeInMM() const; 00115 unsigned int GetDisplayWidth() const; 00116 unsigned int GetDisplayHeight() const; 00117 00118 00119 00120 00121 // zooming, panning, restriction of both 00122 00123 virtual void SetConstrainZoomingAndPanning(bool constrain); 00124 virtual bool GetConstrainZommingAndPanning() const; 00125 00127 itkGetMacro(MaxWorldViewPercentage, float); 00128 itkSetMacro(MaxWorldViewPercentage, float); 00129 00131 itkGetMacro(MinWorldViewPercentage, float); 00132 itkSetMacro(MinWorldViewPercentage, float); 00133 00134 virtual bool SetScaleFactor(ScalarType mmPerDisplayUnit); 00135 ScalarType GetScaleFactorMMPerDisplayUnit() const; 00136 00141 virtual bool Zoom(ScalarType factor, const Point2D& centerInDisplayUnits); 00142 00150 virtual bool ZoomWithFixedWorldCoordinates(ScalarType factor, const Point2D& focusDisplayUnits, const Point2D& focusUnitsInMM ); 00151 00152 // \return true if move request was within accepted limits 00153 virtual bool MoveBy(const Vector2D& shiftInDisplayUnits); 00154 00155 // \brief align display with world, make world completely visible 00156 virtual void Fit(); 00157 00158 00159 00160 00161 // conversion methods 00162 00163 virtual void DisplayToWorld(const Point2D &pt_display, Point2D &pt_mm) const; 00164 virtual void WorldToDisplay(const Point2D &pt_mm, Point2D &pt_display) const; 00165 00166 virtual void DisplayToWorld(const Vector2D &vec_display, Vector2D &vec_mm) const; 00167 virtual void WorldToDisplay(const Vector2D &vec_mm, Vector2D &vec_display) const; 00168 00169 virtual void ULDisplayToMM(const Point2D &pt_ULdisplay, Point2D &pt_mm) const; 00170 virtual void MMToULDisplay(const Point2D &pt_mm, Point2D &pt_ULdisplay) const; 00171 00172 virtual void ULDisplayToMM(const Vector2D &vec_ULdisplay, Vector2D &vec_mm) const; 00173 virtual void MMToULDisplay(const Vector2D &vec_mm, Vector2D &vec_ULdisplay) const; 00174 00175 virtual void ULDisplayToDisplay(const Point2D &pt_ULdisplay, Point2D &pt_display) const; 00176 virtual void DisplayToULDisplay(const Point2D &pt_display, Point2D &pt_ULdisplay) const; 00177 00178 virtual void ULDisplayToDisplay(const Vector2D &vec_ULdisplay, Vector2D &vec_display) const; 00179 virtual void DisplayToULDisplay(const Vector2D &vec_display, Vector2D &vec_ULdisplay) const; 00180 00181 virtual bool Project(const Point3D &pt3d_mm, Point3D &projectedPt3d_mm) const; 00182 virtual bool Project(const Point3D & atPt3d_mm, const Vector3D &vec3d_mm, Vector3D &projectedVec3d_mm) const; 00183 00184 virtual bool Map(const Point3D &pt3d_mm, Point2D &pt2d_mm) const; 00185 virtual void Map(const Point2D &pt2d_mm, Point3D &pt3d_mm) const; 00186 virtual bool Map(const Point3D & atPt3d_mm, const Vector3D &vec3d_mm, Vector2D &vec2d_mm) const; 00187 virtual void Map(const Point2D & atPt2d_mm, const Vector2D &vec2d_mm, Vector3D &vec3d_mm) const; 00188 00189 protected: 00190 00191 DisplayGeometry(); 00192 virtual ~DisplayGeometry(); 00193 00209 virtual bool RefitVisibleRect(); 00210 00211 virtual void PrintSelf(std::ostream& os, itk::Indent indent) const; 00212 00213 Vector2D m_OriginInMM; 00214 Vector2D m_OriginInDisplayUnits; 00215 ScalarType m_ScaleFactorMMPerDisplayUnit; 00216 Vector2D m_SizeInMM; 00217 Vector2D m_SizeInDisplayUnits; 00218 Geometry2D::ConstPointer m_WorldGeometry; 00219 00220 bool m_ConstrainZoomingAndPanning; 00221 float m_MaxWorldViewPercentage; 00222 float m_MinWorldViewPercentage; 00223 }; 00224 00225 } // namespace 00226 00227 #endif // include guard 00228
