Improvement:

Adding support of export to STL format (ASCII and Binary modes)

resources/ImportExport

@@ -1,5 +1,5 @@
 Import: BREP|IGES|STEP
-Export: BREP|IGES|IGES_5_3|STEP
+Export: BREP|IGES|IGES_5_3|STEP|STL_Bin|STL_ASCII
 
 BREP.Import: libBREPImport.so
 BREP.Export: libBREPExport.so
@@ -16,3 +16,9 @@ IGES_5_3.Pattern: IGES 5.3 Files ( *.iges *.igs )
 STEP.Import: libSTEPImport.so
 STEP.Export: libSTEPExport.so
 STEP.Pattern: STEP Files ( *.step *.stp )
+
+STL_Bin.Export: libSTLExport.so
+STL_Bin.Pattern: STL Binary Files ( *.stl )
+
+STL_ASCII.Export: libSTLExport.so
+STL_ASCII.Pattern: STL ASCII Files ( *.stl )

src/GEOMImpl/GEOMImpl_IInsertOperations.cxx

@@ -260,7 +260,7 @@ Standard_Boolean GEOMImpl_IInsertOperations::ImportTranslators
 
   if (!InitResMgr()) return Standard_False;
 
-  // Read Import formats list
+  // Read Import formats list from install directory
   if (myResMgr->Find("Import")) {
     TCollection_AsciiString aFormats (myResMgr->Value("Import"));
     TCollection_AsciiString aToken = aFormats.Token("| \t", 1);
@@ -270,6 +270,25 @@ Standard_Boolean GEOMImpl_IInsertOperations::ImportTranslators
     }
   }
 
+  // Read Import formats from user directory
+  if (myResMgrUser->Find("Import")) {
+    TCollection_AsciiString aFormats (myResMgrUser->Value("Import"));
+    TCollection_AsciiString aToken = aFormats.Token("| \t", 1);
+    int i = 1;
+    for (; !aToken.IsEmpty(); aToken = aFormats.Token("| \t", ++i)) {
+      int aLenFormats = theFormats->Length();
+      bool isFound = false;
+      for(int aInd=1;aInd<=aLenFormats;aInd++){
+	if( theFormats->Value(aInd) == aToken){
+	  isFound = true;
+	  break;
+	}
+      }
+      if(!isFound)
+	theFormats->Append(aToken);
+    }
+  }
+
   // Read Patterns for each supported format
   int j = 1, len = theFormats->Length();
   for (; j <= len; j++) {
@@ -277,10 +296,14 @@ Standard_Boolean GEOMImpl_IInsertOperations::ImportTranslators
     aKey = theFormats->Value(j) + ".ImportPattern";
     if (myResMgr->Find(aKey.ToCString()))
       aPattern = myResMgr->Value(aKey.ToCString());
+    else if(myResMgrUser->Find(aKey.ToCString()))
+      aPattern = myResMgrUser->Value(aKey.ToCString());
     else {
       aKey = theFormats->Value(j) + ".Pattern";
       if (myResMgr->Find(aKey.ToCString()))
         aPattern = myResMgr->Value(aKey.ToCString());
+      else if(myResMgrUser->Find(aKey.ToCString()))
+	aPattern = myResMgrUser->Value(aKey.ToCString());
       else {
         aPattern = theFormats->Value(j);
         aPattern += " Files ( *.* )";
@@ -313,7 +336,7 @@ Standard_Boolean GEOMImpl_IInsertOperations::ExportTranslators
 
   if (!InitResMgr()) return Standard_False;
 
-  // Read Export formats list
+  // Read Export formats list from install directory
   if (myResMgr->Find("Export")) {
     TCollection_AsciiString aFormats (myResMgr->Value("Export"));
     TCollection_AsciiString aToken = aFormats.Token("| \t", 1);
@@ -323,6 +346,25 @@ Standard_Boolean GEOMImpl_IInsertOperations::ExportTranslators
     }
   }
 
+  // Read Export formats list from user directory
+  if (myResMgrUser->Find("Export")) {
+    TCollection_AsciiString aFormats (myResMgrUser->Value("Export"));
+    TCollection_AsciiString aToken = aFormats.Token("| \t", 1);
+    int i = 1;
+    for (; !aToken.IsEmpty(); aToken = aFormats.Token("| \t", ++i)) {
+      int aLenFormats = theFormats->Length();
+      bool isFound = false;
+      for(int aInd=1;aInd<=aLenFormats;aInd++){
+	if( theFormats->Value(aInd) == aToken){
+	  isFound = true;
+	  break;
+	}
+      }
+      if(!isFound)
+	theFormats->Append(aToken);
+    }
+  }
+
   // Read Patterns for each supported format
   int j = 1, len = theFormats->Length();
   for (; j <= len; j++) {
@@ -330,10 +372,14 @@ Standard_Boolean GEOMImpl_IInsertOperations::ExportTranslators
     aKey = theFormats->Value(j) + ".ExportPattern";
     if (myResMgr->Find(aKey.ToCString()))
       aPattern = myResMgr->Value(aKey.ToCString());
+    else if (myResMgrUser->Find(aKey.ToCString()))
+      aPattern = myResMgrUser->Value(aKey.ToCString());
     else {
       aKey = theFormats->Value(j) + ".Pattern";
       if (myResMgr->Find(aKey.ToCString()))
         aPattern = myResMgr->Value(aKey.ToCString());
+      else if (myResMgrUser->Find(aKey.ToCString()))
+	aPattern = myResMgrUser->Value(aKey.ToCString());
       else {
         aPattern = theFormats->Value(j);
         aPattern += " Files ( *.* )";
@@ -363,7 +409,8 @@ Standard_Boolean GEOMImpl_IInsertOperations::IsSupported
   if (isImport) aMode = "Import";
   else aMode = "Export";
 
-  // Read supported formats for the certain mode
+  
+  // Read supported formats for the certain mode from install directory
   if (myResMgr->Find(aMode.ToCString())) {
     TCollection_AsciiString aFormats (myResMgr->Value(aMode.ToCString()));
     if (aFormats.Search(theFormat) > -1) {
@@ -378,7 +425,23 @@ Standard_Boolean GEOMImpl_IInsertOperations::IsSupported
       }
     }
   }
-
+  
+  // Read supported formats for the certain mode from user directory
+  if (myResMgrUser->Find(aMode.ToCString())) {
+    TCollection_AsciiString aFormats (myResMgrUser->Value(aMode.ToCString()));
+    if (aFormats.Search(theFormat) > -1) {
+      // Read library name for the supported format
+      TCollection_AsciiString aKey (theFormat);
+      aKey += ".";
+      aKey += aMode;
+      if (myResMgrUser->Find(aKey.ToCString())) {
+        TCollection_AsciiString aLibName (myResMgrUser->Value(aKey.ToCString()));
+        theLibName = new TCollection_HAsciiString (aLibName);
+        return Standard_True;
+      }
+    }
+  }
+  
   return Standard_False;
 }
 
@@ -391,14 +454,24 @@ Standard_Boolean GEOMImpl_IInsertOperations::InitResMgr()
 {
   if (myResMgr.IsNull()) {
     // Initialize the Resource Manager
-    TCollection_AsciiString aResDir (getenv("GEOM_ROOT_DIR"));
+    TCollection_AsciiString aResDir (getenv("GEOM_ROOT_DIR")),aNull;
 #ifdef WNT
     aResDir += "\\share\\salome\\resources\\geom";
 #else
     aResDir += "/share/salome/resources/geom";
 #endif
+    
+    myResMgr = new Resource_Manager ("ImportExport", aResDir, aNull, Standard_False);
+
+    if (!myResMgr->Find("Import") && !myResMgr->Find("Export")) {
+      // instead of complains in Resource_Manager
+      INFOS("No valid file \"ImportExport\" found in " << aResDir.ToCString());
+    }
+  }
+
+  if (myResMgrUser.IsNull()) {
     char * dir = getenv("GEOM_ENGINE_RESOURCES_DIR");
-    TCollection_AsciiString aUserResDir;
+    TCollection_AsciiString aUserResDir,aNull;
     if ( dir )
     {
       aUserResDir = dir;
@@ -412,14 +485,16 @@ Standard_Boolean GEOMImpl_IInsertOperations::InitResMgr()
       aUserResDir += "/.salome/resources";
 #endif
     }
-    myResMgr = new Resource_Manager ("ImportExport", aResDir, aUserResDir, Standard_False);
 
-    if (!myResMgr->Find("Import") && !myResMgr->Find("Export")) {
+    myResMgrUser = new Resource_Manager ("ImportExport", aNull, aUserResDir, Standard_False);
+
+    if (!myResMgrUser->Find("Import") && !myResMgrUser->Find("Export")) {
       // instead of complains in Resource_Manager
-      INFOS("No valid file \"ImportExport\" found in " << aResDir.ToCString() <<
-            " and in " << aUserResDir.ToCString() );
+      INFOS("No valid file \"ImportExport\" found in " << aUserResDir.ToCString() );
     }
-  }
 
-  return ( myResMgr->Find("Import") || myResMgr->Find("Export") );
+  }  
+
+  return ( myResMgr->Find("Import") || myResMgr->Find("Export") ||
+	   myResMgrUser->Find("Import") || myResMgrUser->Find("Export"));
 }

src/GEOMImpl/GEOMImpl_IInsertOperations.hxx

@@ -60,6 +60,7 @@ class GEOMImpl_IInsertOperations : public GEOM_IOperations {
 
  private:
   Handle(Resource_Manager) myResMgr;
+  Handle(Resource_Manager) myResMgrUser;
 };
 
 #endif

src/Makefile.in

@@ -32,6 +32,6 @@ VPATH=.:@srcdir@
 
 @COMMENCE@
 
-SUBDIRS = OBJECT ARCHIMEDE NMTDS NMTTools NMTAlgo GEOMAlgo SKETCHER GEOM BREPExport BREPImport IGESExport IGESImport STEPExport STEPImport ShHealOper GEOMImpl GEOM_I GEOMClient DlgRef GEOMFiltersSelection GEOMGUI GEOMBase GEOMToolsGUI DisplayGUI BasicGUI PrimitiveGUI GenerationGUI EntityGUI BuildGUI BooleanGUI TransformationGUI OperationGUI RepairGUI MeasureGUI GroupGUI BlocksGUI GEOM_I_Superv GEOM_SWIG
+SUBDIRS = OBJECT ARCHIMEDE NMTDS NMTTools NMTAlgo GEOMAlgo SKETCHER GEOM BREPExport BREPImport IGESExport IGESImport STEPExport STEPImport ShHealOper GEOMImpl GEOM_I GEOMClient DlgRef GEOMFiltersSelection GEOMGUI GEOMBase GEOMToolsGUI DisplayGUI BasicGUI PrimitiveGUI GenerationGUI EntityGUI BuildGUI BooleanGUI TransformationGUI OperationGUI RepairGUI MeasureGUI GroupGUI BlocksGUI GEOM_I_Superv GEOM_SWIG STLExport
 
 @MODULE@

src/STLExport/Makefile.in

@@ -0,0 +1,45 @@
+#  Copyright (C) 2003  CEA
+# 
+#  This library is free software; you can redistribute it and/or 
+#  modify it under the terms of the GNU Lesser General Public 
+#  License as published by the Free Software Foundation; either 
+#  version 2.1 of the License. 
+# 
+#  This library is distributed in the hope that it will be useful, 
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
+#  Lesser General Public License for more details. 
+# 
+#  You should have received a copy of the GNU Lesser General Public 
+#  License along with this library; if not, write to the Free Software 
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
+# 
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+#
+#
+#  File   : Makefile.in
+#  Author : Eugeny Nikolaev
+#  Module : GEOM
+#  $Header: 
+
+top_srcdir=@top_srcdir@
+top_builddir=../..
+srcdir=@srcdir@
+VPATH=.:@srcdir@:@top_srcdir@/idl
+
+@COMMENCE@
+
+# Libraries targets
+
+LIB= libSTLExport.la
+
+LIB_SRC = STLExport.cxx
+
+# additionnal information to compil and link file
+CPPFLAGS+= $(OCC_INCLUDES) $(KERNEL_CXXFLAGS)
+CXXFLAGS+= $(OCC_CXXFLAGS) $(KERNEL_CXXFLAGS)
+
+LDFLAGS+= $(CAS_LDPATH) -lTKSTL $(KERNEL_LDFLAGS)
+
+@CONCLUDE@

src/STLExport/STLExport.cxx

@@ -0,0 +1,68 @@
+// Copyright (C) 2005  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+// 
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either 
+// version 2.1 of the License.
+// 
+// This library is distributed in the hope that it will be useful 
+// but WITHOUT ANY WARRANTY; without even the implied warranty of 
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public  
+// License along with this library; if not, write to the Free Software 
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File:	STLExport.cxx
+// Created:	Wed May 19 14:53:52 2004
+// Author:	Pavel TELKOV
+// 		<ptv@mutex.nnov.opencascade.com>
+
+#include "utilities.h"
+
+#include <StlAPI_Writer.hxx>
+
+#include <TCollection_AsciiString.hxx>
+#include <TopoDS_Shape.hxx>
+
+#ifdef WNT
+#include <SALOME_WNT.hxx>
+#else
+#define SALOME_WNT_EXPORT
+#endif
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+extern "C"
+{
+SALOME_WNT_EXPORT
+  int Export(const TopoDS_Shape& theShape,
+             const TCollection_AsciiString& theFileName,
+             const TCollection_AsciiString& theFormatName)
+  {
+    MESSAGE("Export STL into file " << theFileName.ToCString());
+
+  try 
+    {
+      StlAPI_Writer aWriter;
+      bool aIsASCIIMode;
+      aIsASCIIMode = (theFormatName.IsEqual("STL_ASCII")) ? true : false;
+      aWriter.ASCIIMode() = aIsASCIIMode;
+      aWriter.Write(theShape, theFileName.ToCString()) ;
+      return 1;
+    }
+  catch(Standard_Failure) 
+    {
+      //THROW_SALOME_CORBA_EXCEPTION("Exception catched in STLExport", SALOME::BAD_PARAM);
+    }
+  return 0;
+  }
+}