#include <Prs3d_Text.hxx>
#include <Prs3d_TextAspect.hxx>
+#include <Select3D_SensitiveFace.hxx>
#include <Select3D_SensitivePoint.hxx>
#include <SelectMgr_Selection.hxx>
#include <SelectMgr_EntityOwner.hxx>
Handle(Prs3d_TextAspect) anAsp = myDrawer->TextAspect();
gp_Pnt aPosition = Position();
+ const Standard_Boolean isTextZoomable = anAsp->Aspect()->GetTextZoomable();
+ if (myHasOrientation3D)
+ {
+ anAsp->Aspect()->SetTextZoomable (myHasFlipping ? Standard_True : Standard_False);
+ SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_ZoomPers, aPosition));
+ aPosition = gp::Origin();
+ }
+ else if (isTextZoomable
+ || TransformPersistence().IsNull()
+ || TransformPersistence()->Mode() != Graphic3d_TMF_2d)
+ {
+ Handle(Graphic3d_TransformPers) aTrsfPers =
+ new Graphic3d_TransformPers (isTextZoomable ? Graphic3d_TMF_RotatePers : Graphic3d_TMF_ZoomRotatePers, aPosition);
+ SetTransformPersistence (aTrsfPers);
+ aPosition = gp::Origin();
+ }
+
+ gp_Pnt aCenterOfLabel;
+ Standard_Real aWidth, aHeight;
+
+ Standard_Boolean isInit = calculateLabelParams (aPosition, aCenterOfLabel, aWidth, aHeight);
if (myHasOrientation3D)
{
- Standard_Boolean isInit = Standard_False;
if (myHasFlipping)
{
- // Get width and height of text
- Font_FTFontParams aFontParams;
- aFontParams.PointSize = (unsigned int )anAsp->Height();
- aFontParams.Resolution = GetContext()->CurrentViewer()->DefaultRenderingParams().Resolution;
- if (Handle(Font_FTFont) aFont = Font_FTFont::FindAndCreate (anAsp->Aspect()->Font(), anAsp->Aspect()->GetTextFontAspect(), aFontParams))
- {
- isInit = Standard_True;
- const NCollection_String aText (myText.ToExtString());
- Font_Rect aBndBox = aFont->BoundingBox (aText, anAsp->HorizontalJustification(), anAsp->VerticalJustification());
- Standard_Real aWidth = Abs (aBndBox.Width());
- Standard_Real aHeight = Abs (aBndBox.Height());
- gp_Pnt aCenterOfLabel = aPosition;
-
- if (anAsp->VerticalJustification() == Graphic3d_VTA_BOTTOM)
- {
- aCenterOfLabel.ChangeCoord() += myOrientation3D.YDirection().XYZ() * aHeight * 0.5;
- }
- else if (anAsp->VerticalJustification() == Graphic3d_VTA_TOP)
- {
- aCenterOfLabel.ChangeCoord() -= myOrientation3D.YDirection().XYZ() * aHeight * 0.5;
- }
- if (anAsp->HorizontalJustification() == Graphic3d_HTA_LEFT)
- {
- aCenterOfLabel.ChangeCoord() += myOrientation3D.XDirection().XYZ() * aWidth * 0.5;
- }
- else if (anAsp->HorizontalJustification() == Graphic3d_HTA_RIGHT)
- {
- aCenterOfLabel.ChangeCoord() -= myOrientation3D.XDirection().XYZ() * aWidth * 0.5;
- }
-
- if (!anAsp->Aspect()->GetTextZoomable()
- && (TransformPersistence().IsNull()
- || TransformPersistence()->Mode() == Graphic3d_TMF_ZoomPers))
- {
- anAsp->Aspect()->SetTextZoomable (Standard_True);
- SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_ZoomPers, aPosition));
- aPosition = gp::Origin();
- }
-
- gp_Ax2 aFlippingAxes (aCenterOfLabel, myOrientation3D.Direction(), myOrientation3D.XDirection());
- Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_True, aFlippingAxes);
- }
+ gp_Ax2 aFlippingAxes (aCenterOfLabel, myOrientation3D.Direction(), myOrientation3D.XDirection());
+ Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_True, aFlippingAxes);
}
-
gp_Ax2 anOrientation = myOrientation3D;
anOrientation.SetLocation (aPosition);
Standard_Boolean aHasOwnAnchor = HasOwnAnchorPoint();
{
aHasOwnAnchor = Standard_False; // always not using own anchor if flipping
}
- Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, myOrientation3D, aHasOwnAnchor);
+ Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, anOrientation, aHasOwnAnchor);
if (myHasFlipping && isInit)
{
Prs3d_Root::CurrentGroup (thePrs)->SetFlippingOptions (Standard_False, gp_Ax2());
}
else
{
- Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, Position());
+ Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePrs), anAsp, myText, aPosition);
+ }
+
+ if (isInit)
+ {
+ const Standard_Real aDx = aWidth * 0.5;
+ const Standard_Real aDy = aHeight * 0.5;
+ gp_Trsf aLabelPlane = calculateLabelTrsf (aPosition, aCenterOfLabel);
+
+ gp_Pnt aMinPnt = gp_Pnt (-aDx, -aDy, 0.0).Transformed (aLabelPlane);
+ gp_Pnt aMaxPnt = gp_Pnt ( aDx, aDy, 0.0).Transformed (aLabelPlane);
+
+ Graphic3d_BndBox4f& aBox = Prs3d_Root::CurrentGroup (thePrs)->ChangeBoundingBox();
+ aBox.Add (Graphic3d_Vec4 ((float) aMinPnt.X(), (float) aMinPnt.Y(), (float) aMinPnt.Z(), 1.0));
+ aBox.Add (Graphic3d_Vec4 ((float) aMaxPnt.X(), (float) aMaxPnt.Y(), (float) aMaxPnt.Z(), 1.0));
}
break;
{
case 0:
{
- Handle(SelectMgr_EntityOwner) anEntityOwner = new SelectMgr_EntityOwner (this, 10);
- Handle(Select3D_SensitivePoint) aSensitivePoint = new Select3D_SensitivePoint (anEntityOwner, Position());
- theSelection->Add (aSensitivePoint);
+ Handle(SelectMgr_EntityOwner) anEntityOwner = new SelectMgr_EntityOwner (this, 10);
+
+ gp_Pnt aPosition = Position();
+ if (!TransformPersistence().IsNull() && TransformPersistence()->Mode() != Graphic3d_TMF_2d)
+ {
+ aPosition = gp::Origin();
+ }
+
+ gp_Pnt aCenterOfLabel;
+ Standard_Real aWidth, aHeight;
+
+ if (!calculateLabelParams (aPosition, aCenterOfLabel, aWidth, aHeight))
+ {
+ Handle(Select3D_SensitivePoint) aTextSensitive = new Select3D_SensitivePoint (anEntityOwner, aPosition);
+ theSelection->Add (aTextSensitive);
+ break;
+ }
+
+ const Standard_Real aDx = aWidth * 0.5;
+ const Standard_Real aDy = aHeight * 0.5;
+ gp_Trsf aLabelPlane = calculateLabelTrsf (aPosition, aCenterOfLabel);
+
+ // sensitive planar rectangle for text
+ TColgp_Array1OfPnt aRectanglePoints (1, 5);
+ aRectanglePoints.ChangeValue (1) = gp_Pnt (-aDx, -aDy, 0.0).Transformed (aLabelPlane);
+ aRectanglePoints.ChangeValue (2) = gp_Pnt (-aDx, aDy, 0.0).Transformed (aLabelPlane);
+ aRectanglePoints.ChangeValue (3) = gp_Pnt ( aDx, aDy, 0.0).Transformed (aLabelPlane);
+ aRectanglePoints.ChangeValue (4) = gp_Pnt ( aDx, -aDy, 0.0).Transformed (aLabelPlane);
+ aRectanglePoints.ChangeValue (5) = aRectanglePoints.Value (1);
+
+ Handle(Select3D_SensitiveFace) aTextSensitive =
+ new Select3D_SensitiveFace (anEntityOwner, aRectanglePoints, Select3D_TOS_INTERIOR);
+ theSelection->Add (aTextSensitive);
+
break;
}
}
}
+
+//=======================================================================
+//function : calculateLabelParams
+//purpose :
+//=======================================================================
+Standard_Boolean AIS_TextLabel::calculateLabelParams (const gp_Pnt& thePosition,
+ gp_Pnt& theCenterOfLabel,
+ Standard_Real& theWidth,
+ Standard_Real& theHeight) const
+{
+ // Get width and height of text
+ Handle(Prs3d_TextAspect) anAsp = myDrawer->TextAspect();
+ Font_FTFontParams aFontParams;
+ aFontParams.PointSize = (unsigned int) anAsp->Height();
+ aFontParams.Resolution = GetContext()->CurrentViewer()->DefaultRenderingParams().Resolution;
+
+ Handle(Font_FTFont) aFont = Font_FTFont::FindAndCreate (anAsp->Aspect()->Font(),
+ anAsp->Aspect()->GetTextFontAspect(),
+ aFontParams);
+ if (aFont.IsNull())
+ {
+ return Standard_False;
+ }
+
+ const NCollection_String aText (myText.ToExtString());
+ Font_Rect aBndBox = aFont->BoundingBox (aText, anAsp->HorizontalJustification(), anAsp->VerticalJustification());
+ theWidth = Abs (aBndBox.Width());
+ theHeight = Abs (aBndBox.Height());
+
+ theCenterOfLabel = thePosition;
+ if (anAsp->VerticalJustification() == Graphic3d_VTA_BOTTOM)
+ {
+ theCenterOfLabel.ChangeCoord() += myOrientation3D.YDirection().XYZ() * theHeight * 0.5;
+ }
+ else if (anAsp->VerticalJustification() == Graphic3d_VTA_TOP)
+ {
+ theCenterOfLabel.ChangeCoord() -= myOrientation3D.YDirection().XYZ() * theHeight * 0.5;
+ }
+ if (anAsp->HorizontalJustification() == Graphic3d_HTA_LEFT)
+ {
+ theCenterOfLabel.ChangeCoord() += myOrientation3D.XDirection().XYZ() * theWidth * 0.5;
+ }
+ else if (anAsp->HorizontalJustification() == Graphic3d_HTA_RIGHT)
+ {
+ theCenterOfLabel.ChangeCoord() -= myOrientation3D.XDirection().XYZ() * theWidth * 0.5;
+ }
+
+ return Standard_True;
+}
+
+//=======================================================================
+//function : calculateLabelTrsf
+//purpose :
+//=======================================================================
+gp_Trsf AIS_TextLabel::calculateLabelTrsf (const gp_Pnt& thePosition, gp_Pnt& theCenterOfLabel) const
+{
+ const Standard_Real anAngle = myDrawer->TextAspect()->Aspect()->TextAngle() * M_PI / 180.0;
+ const gp_Ax1 aRotAxis (thePosition, gp_Dir (0.0, 0.0, 1.0));
+
+ gp_Ax2 anOrientation = myOrientation3D;
+ anOrientation.Rotate (aRotAxis, anAngle);
+ theCenterOfLabel.Rotate (aRotAxis, anAngle);
+
+ gp_Trsf aLabelPlane;
+ aLabelPlane.SetTransformation (anOrientation, gp::XOY());
+ aLabelPlane.SetTranslationPart (theCenterOfLabel.XYZ());
+
+ return aLabelPlane;
+}