From 270ce81685466333c89bcef636021b85235b37ff Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Wed, 25 Jun 2008 03:52:35 +0000
Subject: [PATCH] Improve measure tools (increase size of arrows)

---
 src/MeasureGUI/MeasureGUI_AngleDlg.cxx    | 26 +++++++++++++++++++++++
 src/MeasureGUI/MeasureGUI_DistanceDlg.cxx |  1 +
 2 files changed, 27 insertions(+)

diff --git a/src/MeasureGUI/MeasureGUI_AngleDlg.cxx b/src/MeasureGUI/MeasureGUI_AngleDlg.cxx
index de13dd70b..5da840cf1 100644
--- a/src/MeasureGUI/MeasureGUI_AngleDlg.cxx
+++ b/src/MeasureGUI/MeasureGUI_AngleDlg.cxx
@@ -55,6 +55,7 @@
 #include <Geom_Plane.hxx>
 #include <gce_MakePln.hxx>
 #include <Precision.hxx>
+#include <AIS.hxx>
 
 // QT Includes
 #include <qlineedit.h>
@@ -313,6 +314,31 @@ SALOME_Prs* MeasureGUI_AngleDlg::buildPrs()
         Handle(AIS_AngleDimension) anIO = new AIS_AngleDimension
           (anEdge1, anEdge2, aPlane, anAngle * PI180,
            TCollection_ExtendedString((Standard_CString)aLabel.latin1()));
+	Handle(Geom_Line) geom_lin1,geom_lin2;
+	gp_Pnt ptat11,ptat12,ptat21,ptat22;
+	Standard_Boolean isInfinite1,isInfinite2;
+	Handle(Geom_Curve) extCurv;
+	Standard_Integer extShape;
+	if ( AIS::ComputeGeometry(anEdge1,
+				  anEdge2,
+				  extShape,
+				  geom_lin1,
+				  geom_lin2,
+				  ptat11,
+				  ptat12,
+				  ptat21,
+				  ptat22,
+				  extCurv,
+				  isInfinite1,
+				  isInfinite2,
+				  aPlane)) {
+	  Standard_Real arrSize1 = anIO->ArrowSize();
+	  Standard_Real arrSize2 = anIO->ArrowSize();
+	  if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/10.;
+	  if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/10.;
+	  Standard_Real arrowSize = Max(arrSize1,arrSize2);
+	  anIO->SetArrowSize(arrowSize);
+	}
 
         SOCC_Prs* aPrs =
           dynamic_cast<SOCC_Prs*>(((SOCC_Viewer*)(vw->getViewManager()->getViewModel()))->CreatePrs(0));
diff --git a/src/MeasureGUI/MeasureGUI_DistanceDlg.cxx b/src/MeasureGUI/MeasureGUI_DistanceDlg.cxx
index 2591b6981..100f3bad9 100644
--- a/src/MeasureGUI/MeasureGUI_DistanceDlg.cxx
+++ b/src/MeasureGUI/MeasureGUI_DistanceDlg.cxx
@@ -312,6 +312,7 @@ SALOME_Prs* MeasureGUI_DistanceDlg::buildPrs()
 
       Handle( AIS_LengthDimension ) anIO = new AIS_LengthDimension
         (aVert1, aVert2, P, aDist, TCollection_ExtendedString((Standard_CString)aLabel.latin1()));
+      anIO->SetArrowSize( aDist/20 );
 
       SOCC_Prs* aPrs =
         dynamic_cast<SOCC_Prs*>( ((SOCC_Viewer*)(vw->getViewManager()->getViewModel()))->CreatePrs( 0 ) );