LibreOffice Module svx (master)  1
ImageMapInfo.cxx
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19 
20 #include <svx/ImageMapInfo.hxx>
21 
22 #include <svx/svdobj.hxx>
23 #include <svx/svdograf.hxx>
24 #include <svx/svdoole2.hxx>
25 #include <vcl/imapobj.hxx>
26 #include <vcl/svapp.hxx>
27 #include <vcl/window.hxx>
28 
30 {
31  assert(pObject);
32 
33  SvxIMapInfo* pIMapInfo = nullptr;
34  sal_uInt16 nCount = pObject->GetUserDataCount();
35 
36  // Can we find IMap information within the user data?
37  for (sal_uInt16 i = 0; i < nCount; i++)
38  {
39  SdrObjUserData* pUserData = pObject->GetUserData(i);
40 
41  if ((pUserData->GetInventor() == SdrInventor::StarDrawUserData)
42  && (pUserData->GetId() == SVX_IMAPINFO_ID))
43  pIMapInfo = static_cast<SvxIMapInfo*>(pUserData);
44  }
45 
46  return pIMapInfo;
47 }
48 
49 IMapObject* SvxIMapInfo::GetHitIMapObject(const SdrObject* pObj, const Point& rWinPoint,
50  const vcl::Window* rCmpWnd)
51 {
52  SvxIMapInfo* pIMapInfo = GetIMapInfo(pObj);
53  IMapObject* pIMapObj = nullptr;
54 
55  if (pIMapInfo)
56  {
57  const MapMode aMap100(MapUnit::Map100thMM);
58  Size aGraphSize;
59  Point aRelPoint(rWinPoint);
60  ImageMap& rImageMap = const_cast<ImageMap&>(pIMapInfo->GetImageMap());
61  tools::Rectangle& rRect = const_cast<tools::Rectangle&>(pObj->GetLogicRect());
62 
63  if (rCmpWnd)
64  {
65  MapMode aWndMode = rCmpWnd->GetMapMode();
66  aRelPoint = rCmpWnd->LogicToLogic(rWinPoint, &aWndMode, &aMap100);
67  rRect = rCmpWnd->LogicToLogic(pObj->GetLogicRect(), &aWndMode, &aMap100);
68  }
69 
70  bool bObjSupported = false;
71 
72  // execute HitTest
73  if (auto pGrafObj = dynamic_cast<const SdrGrafObj*>(pObj)) // simple graphics object
74  {
75  const GeoStat& rGeo = pGrafObj->GetGeoStat();
76  std::unique_ptr<SdrGrafObjGeoData> pGeoData(
77  static_cast<SdrGrafObjGeoData*>(pGrafObj->GetGeoData()));
78 
79  // Undo rotation
80  if (rGeo.nRotationAngle)
81  RotatePoint(aRelPoint, rRect.TopLeft(), -rGeo.nSin, rGeo.nCos);
82 
83  // Undo mirroring
84  if (pGeoData->bMirrored)
85  aRelPoint.setX(rRect.Right() + rRect.Left() - aRelPoint.X());
86 
87  // Undo shearing
88  if (rGeo.nShearAngle)
89  ShearPoint(aRelPoint, rRect.TopLeft(), -rGeo.nTan);
90 
91  if (pGrafObj->GetGrafPrefMapMode().GetMapUnit() == MapUnit::MapPixel)
93  pGrafObj->GetGrafPrefSize(), aMap100);
94  else
95  aGraphSize = OutputDevice::LogicToLogic(pGrafObj->GetGrafPrefSize(),
96  pGrafObj->GetGrafPrefMapMode(), aMap100);
97 
98  bObjSupported = true;
99  }
100  else if (auto pOleObj = dynamic_cast<const SdrOle2Obj*>(pObj)) // OLE object
101  {
102  aGraphSize = pOleObj->GetOrigObjSize();
103  bObjSupported = true;
104  }
105 
106  // Everything worked out well, thus execute HitTest
107  if (bObjSupported)
108  {
109  // Calculate relative position of mouse cursor
110  aRelPoint -= rRect.TopLeft();
111  pIMapObj = rImageMap.GetHitIMapObject(aGraphSize, rRect.GetSize(), aRelPoint);
112 
113  // We don't care about deactivated objects
114  if (pIMapObj && !pIMapObj->IsActive())
115  pIMapObj = nullptr;
116  }
117  }
118 
119  return pIMapObj;
120 }
bool IsActive() const
Point TopLeft() const
User data of a drawing object, e.g.
Definition: svdobj.hxx:204
void ShearPoint(Point &rPnt, const Point &rRef, double tn, bool bVShear=false)
Definition: svdtrans.hxx:122
Point LogicToLogic(const Point &rPtSource, const MapMode *pMapModeSource, const MapMode *pMapModeDest) const
double nSin
Definition: svdtrans.hxx:219
long nRotationAngle
Definition: svdtrans.hxx:216
const MapMode & GetMapMode() const
static OutputDevice * GetDefaultDevice()
long Right() const
const BorderLinePrimitive2D *pCandidateB assert(pCandidateA)
The transformation of a rectangle into a polygon, by using angle parameters from GeoStat.
Definition: svdtrans.hxx:214
int nCount
double nCos
Definition: svdtrans.hxx:220
int i
double nTan
Definition: svdtrans.hxx:218
Abstract DrawObject.
Definition: svdobj.hxx:312
IMapObject * GetHitIMapObject(const Size &rOriginalSize, const Size &rDisplaySize, const Point &rRelHitPoint, sal_uLong nFlags=0)
Size GetSize() const
long nShearAngle
Definition: svdtrans.hxx:217
Point PixelToLogic(const Point &rDevicePt) const
void RotatePoint(Point &rPnt, const Point &rRef, double sn, double cs)
Definition: svdtrans.hxx:114
static IMapObject * GetHitIMapObject(const SdrObject *pObj, const Point &rWinPoint, const vcl::Window *rCmpWnd=nullptr)
sal_uInt16 GetId() const
Definition: svdobj.hxx:220
SdrObjUserData * GetUserData(sal_uInt16 nNum) const
Definition: svdobj.cxx:2614
sal_uInt16 GetUserDataCount() const
Definition: svdobj.cxx:2608
long Left() const
const ImageMap & GetImageMap() const
#define SVX_IMAPINFO_ID
virtual const tools::Rectangle & GetLogicRect() const
Definition: svdobj.cxx:1607
SdrInventor GetInventor() const
Definition: svdobj.hxx:219
static SvxIMapInfo * GetIMapInfo(const SdrObject *pObject)