include/svx/helperhittest3d.hxx

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  19
  20 #ifndef INCLUDED_SVX_HELPERHITTEST3D_HXX
  21 #define INCLUDED_SVX_HELPERHITTEST3D_HXX
  22
  23 #include <svx/svxdllapi.h>
  24 #include <vector>
  25
  26
  27 // predefines
  28
  29 namespace basegfx {
  30     class B2DPoint;
  31 }
  32
  33 namespace drawinglayer::geometry {
  34     class ViewInformation3D;
  35 }
  36
  37 class E3dCompoundObject;
  38 class E3dScene;
  39
  40
  41 /** support for getting a ViewInformation3D for a given CompoudObject3D
  42     with correct ObjectTransformation filled out
  43
  44     @param o_rViewInformation3D
  45     The ViewInformation3D created which will be overwritten
  46
  47     @param rCandidate
  48     The E3dCompoundObject for which the ViewInformation3D shall be
  49     prepared
  50
  51     @return
  52     A pointer to the found and used root scene. This is also a hint
  53     if the operation succeeded or not, since when object has no root
  54     scene (is not inserted to a model), an empty ViewInformation3D
  55     will be used
  56 */
  57 E3dScene* fillViewInformation3DForCompoundObject(
  58     drawinglayer::geometry::ViewInformation3D& o_rViewInformation3D,
  59     const E3dCompoundObject& rCandidate);
  60
  61 /** support for getting all from a 2d position hit objects in a 3d scene
  62     in a depth sorted array
  63
  64     @param rPoint
  65     2D Point in view coordinates
  66
  67     @param rScene
  68     The 3D Scene for HitTest
  69
  70     @param o_rResult
  71     Output parameter which contains all hit 3D objects inside rScene. This
  72     vector will be changed in any case. If it's empty, no hit exists. If it's
  73     not empty, the first object is the object closest to the viewer
  74
  75 */
  76 SVXCORE_DLLPUBLIC void getAllHit3DObjectsSortedFrontToBack(
  77     const basegfx::B2DPoint& rPoint,
  78     const E3dScene& rScene,
  79     ::std::vector< const E3dCompoundObject* >& o_rResult);
  80
  81 /** support for checking if the single given 3d object is hit at position
  82
  83     @param rPoint
  84     2D Point in view coordinates
  85
  86     @param rCandidate
  87     The 3D Object which needs checking
  88
  89     @return
  90     true if hit, false if not
  91 */
  92 bool checkHitSingle3DObject(
  93     const basegfx::B2DPoint& rPoint,
  94     const E3dCompoundObject& rCandidate);
  95
  96
  97 #endif // INCLUDED_SVX_HELPERHITTEST3D_HXX
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */