From d509e5a43fa5b5144bf9299399254c45a3fca211 Mon Sep 17 00:00:00 2001
From: kgv <kgv@opencascade.com>
Date: Mon, 1 Aug 2016 17:15:52 +0300
Subject: [PATCH] 0027731: Visualization, OpenGl_AspectMarker - handle
 fractional marker Scale when sharing resources

OpenGl_AspectMarker::Resources::SpriteKeys() now encodes decimal number of marker scale into resource key,
since built-in markers are defined with 0.5 scale step.
---
 samples/tcl/markers.tcl            | 6 ++++--
 src/OpenGl/OpenGl_AspectMarker.cxx | 4 ++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/samples/tcl/markers.tcl b/samples/tcl/markers.tcl
index b2d44b52eb..af18729426 100644
--- a/samples/tcl/markers.tcl
+++ b/samples/tcl/markers.tcl
@@ -31,7 +31,8 @@ set aCustom2 [locate_data_file images/marker_box2.png]
 set aCustom3 [locate_data_file images/marker_kr.png]
 set aCustom4 [locate_data_file images/marker_dot.png]
 
-set aFontFile [locate_data_file DejaVuSans.ttf]
+set aFontFile ""
+catch { set aFontFile [locate_data_file DejaVuSans.ttf] }
 set aLabelFont "Arial"
 if { "$aFontFile" != "" } {
   vfont add "$aFontFile" SansFont
@@ -55,7 +56,8 @@ for { set aMarkerType 0 } { $aMarkerType <= 13 } { incr aMarkerType } {
   set aRow [expr $aMarkerType - 7]
   set aCol 5
   set aName [lindex $aMarkerTypeNames $aMarkerType]
-  vdrawtext "$aName" "$aName" -pos 0 [expr $aRow + 0.5] 0 -color 0.5 1.0 1.0 -halign center -valign center -angle 000 -zoom 0 -height 12 -aspect bold -font $aLabelFont
+  vdrawtext "$aName" "$aName" -pos 0 [expr $aRow + 0.5] 0 -color 0.5 1.0 1.0 -halign center -valign center -angle 000 -zoom 0 -height 12 -aspect bold -font $aLabelFont -noupdate
+  vdisplay -top -noupdate "$aName"
   if { $aMarkerType == 13 } {
     vmarkerstest m${aMarkerType}_${aCol} $aCol $aRow 0 PointsOnSide=1 FileName=$aCustom1
     set aCol [expr $aCol - 1]
diff --git a/src/OpenGl/OpenGl_AspectMarker.cxx b/src/OpenGl/OpenGl_AspectMarker.cxx
index 047eb093d3..f90ced06bd 100644
--- a/src/OpenGl/OpenGl_AspectMarker.cxx
+++ b/src/OpenGl/OpenGl_AspectMarker.cxx
@@ -1950,8 +1950,8 @@ void OpenGl_AspectMarker::Resources::SpriteKeys (const Handle(Graphic3d_MarkerIm
   }
   else if (theType != Aspect_TOM_POINT)
   {
-    // predefined markers
-    const Standard_Integer aScale = Standard_Integer(theScale + 0.5f);
+    // predefined markers are defined with 0.5 step
+    const Standard_Integer aScale = Standard_Integer(theScale * 10.0f + 0.5f);
     theKey  = TCollection_AsciiString ("OpenGl_AspectMarker") + theType + "_" + aScale;
     theKeyA = theKey + "A";
     if (theType == Aspect_TOM_BALL)