*** empty log message ***

Plugin/Cutplane/CutPlane.cpp

+#include "CutPlane.h"
+//#include "Views.h"
+/*
+  Plugin Entry : GMSH_RegisterPlugin
+ */
+
+GMSH_Plugin *GMSH_RegisterPlugin ()
+{
+  return new GMSH_CutPlanePlugin (1.0,0.0,0.0,0.0);
+}
+
+GMSH_CutPlanePlugin::GMSH_CutPlanePlugin(double A, double B, double C, double D)
+  :a(A),b(B),c(C),d(D)
+{
+}
+
+void GMSH_CutPlanePlugin::getName(char *name) const
+{
+  strcpy(name,"Cut Plane");
+}
+
+void GMSH_CutPlanePlugin::getInfos(char *author, char *copyright, char *help_text) const
+{
+  strcpy(author,"J.-F. Remacle (remacle@scorec.rpi.edu)");
+  strcpy(copyright,"DGR (www.multiphysics.com)");
+  strcpy(help_text,"This Plugins cuts a view with a plane a x + b y + c z + d = 0");
+}
+
+int GMSH_CutPlanePlugin::getNbOptions() const
+{
+  return 4;
+}
+
+void GMSH_CutPlanePlugin:: GetOption (int iopt, char *optionName, void *optionValue) const
+{
+  // geuz, t'es le specialiste des options, regarde comment
+  // on pourrait faire Plugin.CutPlane.a = 1.0;
+}
+
+void GMSH_CutPlanePlugin::CatchErrorMessage (char *errorMessage) const
+{
+  strcpy(errorMessage,"CutPlane Failed...");
+}
+
+Post_View *GMSH_CutPlanePlugin::execute (Post_View *)
+{
+  throw this;
+}
+
+void GMSH_CutPlanePlugin::SetOption (char *optionName, void *optionValue)
+{
+}
+
+

Plugin/Cutplane/CutPlane.h

+#ifndef _CUTPLANE_H_
+#define _CUTPLANE_H
+#include "Plugin.h"
+class GMSH_CutPlanePlugin : public GMSH_Post_Plugin
+{
+  /*Plane a x + b y + c z + d = 0*/
+  double a,b,c,d;
+public:
+  GMSH_CutPlanePlugin(double A, double B, double C, double D);
+  virtual void getName  (char *name) const;
+  virtual void getInfos (char *author, 
+			 char *copyright,
+			 char *help_text) const;
+  virtual void CatchErrorMessage (char *errorMessage) const;
+  virtual void SetOption (char *optionName, void *optionValue);
+  virtual int getNbOptions() const;
+  virtual void GetOption (int iopt, char *optionName, void *optionValue) const;  
+  virtual Post_View *execute (Post_View *);
+};
+#endif

Plugin/Cutplane/Makefile

+# $Id: Makefile,v 1.1 2001-03-04 20:57:49 remacle Exp $
+#
+# Makefile for "libAdapt.a"
+#
+
+.IGNORE:
+
+CC        = c++
+AR        = c++ -shared -o
+RM        = rm
+RANLIB    = ranlib
+
+LIB       = ../lib/libCutPlane.so
+INCLUDE   = -I../../Common -I../
+
+C_FLAGS       = -g -Wall 
+OS_FLAGS      = 
+VERSION_FLAGS = 
+
+RMFLAGS   = -f
+CFLAGS    = $(C_FLAGS) $(OS_FLAGS) $(VERSION_FLAGS) $(INCLUDE) 
+
+SRC = CutPlane.cpp
+
+OBJ = $(SRC:.cpp=.o)
+
+.SUFFIXES: .o .cpp
+
+$(LIB): $(OBJ)
+	$(AR) $(LIB) $(OBJ)
+
+.cpp.o:
+	$(CC) $(CFLAGS) -c $<
+
+clean:
+	$(RM) $(RMFLAGS) *.o 
+
+lint:
+	$(LINT) $(CFLAGS) $(SRC)
+
+depend:
+	(sed '/^# DO NOT DELETE THIS LINE/q' Makefile && \
+	$(CC) -MM $(CFLAGS) ${SRC} \
+	) >Makefile.new
+	cp Makefile Makefile.bak
+	cp Makefile.new Makefile
+	$(RM) $(RMFLAGS) Makefile.new
+
+# DO NOT DELETE THIS LINE

Plugin/Makefile

-# $Id: Makefile,v 1.1 2001-03-04 19:55:25 remacle Exp $
+# $Id: Makefile,v 1.2 2001-03-04 20:57:03 remacle Exp $
 #
 # Makefile for "libAdapt.a"
 #
@@ -11,7 +11,7 @@ RM        = rm
 RANLIB    = ranlib
 
 LIB       = ../lib/libPlugin.a
-INCLUDE   = -I../Common -I../DataStr
+INCLUDE   = -I../Common
 
 C_FLAGS       = -g -Wall
 OS_FLAGS      = 

Plugin/Plugin.cpp

@@ -2,8 +2,15 @@
 #include <dlfcn.h>
 #include <map>
 #include "Plugin.h"
+#include "Message.h"
 using namespace std;
 
+#if defined(WIN32) && !defined(__CYGWIN__)
+#define SLASH "\\"
+#else
+#define SLASH "/"
+#endif
+
 struct ltstr
 {
   bool operator()(const char* s1, const char* s2) const
@@ -42,12 +49,16 @@ GMSH_PluginManager* GMSH_PluginManager::Instance()
   if(!instance)
     {
       instance = new GMSH_PluginManager;
+      instance->RegisterDefaultPlugins();
     }
   return instance;
 }
 
 void GMSH_PluginManager::RegisterDefaultPlugins()
 {
+  // For testing
+  AddPlugin ("/cygdrive/c/develop/gmsh/Plugin/lib/","libCutPlane");
+  return;
   char *homeplugins = getenv ("GMSHPLUGINSHOME");
   if(!homeplugins)return;
   
@@ -55,19 +66,27 @@ void GMSH_PluginManager::RegisterDefaultPlugins()
 
 void GMSH_PluginManager::AddPlugin( char *dirName, char *pluginName)
 {
+#if defined(WIN32) && !defined(__CYGWIN__)
+  Msg(WARNING,"Plugins not yet implemented for WIN32 native compiler");
+  return;
+#else
   char dynamic_lib[1024];
   char plugin_name[256];
   class GMSH_Plugin* (*RegisterPlugin)(void);
-  sprintf(dynamic_lib,"%s/%s.so",dirName,pluginName);
+  sprintf(dynamic_lib,"%s%s%s.so",dirName,SLASH,pluginName);
+  Msg(INFO,"Opening Plugin %s",dynamic_lib);
   void *hlib = dlopen (dynamic_lib,RTLD_NOW);
+  char *err = dlerror();
   if(hlib == NULL)
     {
-      throw dynamic_lib;
+      Msg(WARNING,"Error in opening %s (dlerror = %s)",dynamic_lib,err);
+      return;
     }
   RegisterPlugin = (class GMSH_Plugin* (*)(void)) dlsym(hlib,GMSH_PluginEntry);
-  char *err = dlerror();
+  err = dlerror();
   if(err != NULL)
     {
+      Msg(WARNING,"Symbol %s missing in Plugin %s (dlerror = %s)",GMSH_PluginEntry,pluginName,err);
       return;
     }
 
@@ -76,9 +95,11 @@ void GMSH_PluginManager::AddPlugin( char *dirName, char *pluginName)
   p->getName(plugin_name);
   if(allPlugins->find(plugin_name) != allPlugins->end())
     {
+      Msg(WARNING,"Plugin %s Multiply defined",pluginName);
       return;
     }
   allPlugins->m[plugin_name] = p;
+#endif
 }
 
 

Plugin/Plugin.h

@@ -11,6 +11,8 @@
 const char *GMSH_PluginEntry = "GMSH_RegisterPlugin";
 
 class PluginContainer;
+class Post_View;
+
 class GMSH_Plugin
 {
 public :
@@ -18,11 +20,11 @@ public :
    used by the PluginManager, just forget it*/
   void *hlib;
   /* 3 kind of plugins, one for cad, one for mesh, one for postpro*/
-  typedef enum GMSH_PLUGIN_TYPE {GMSH_CAD_PLUGIN, GMSH_MESH_PLUGIN, GMSH_POSTPRO_PLUGIN};
+  typedef enum GMSH_PLUGIN_TYPE {GMSH_CAD_PLUGIN, GMSH_MESH_PLUGIN, GMSH_POST_PLUGIN};
   /* returns the type of plugin for downcasting GMSH_Plugin into
      GMSH_CAD_Plugin, GMSH_Mesh_Plugin and GMSH_Post_Plugin */
   virtual GMSH_PLUGIN_TYPE getType() const = 0;
-  virtual void getName (char *name);
+  virtual void getName (char *name) const = 0;
   virtual void getInfos (char *author, 
 			 char *copyright,
 			 char *help_text) const = 0;
@@ -31,8 +33,20 @@ public :
   virtual void CatchErrorMessage (char *errorMessage) const = 0;
   /* gmsh style option, ca be loaded, saved and set*/
   virtual void SetOption (char *optionName, void *optionValue) = 0;
-  virtual int getNbOptions() const;
-  virtual void GetOption (char *optionName, void *optionValue) const = 0;  
+  virtual int getNbOptions() const = 0;
+  virtual void GetOption (int iopt, char *optionName, void *optionValue) const = 0;  
+};
+
+/* Base class for Post-Processing Plugins
+   The user can either modify or duplicate 
+   a Post_View */
+class GMSH_Post_Plugin : public GMSH_Plugin
+{
+public:
+  GMSH_PLUGIN_TYPE getType() const {return GMSH_Plugin::GMSH_POST_PLUGIN;}
+  /* If returned pointer is the same as the argument, then view is simply modified,
+    else, a new view is added in the view list */
+  virtual Post_View *execute (Post_View *) = 0;
 };
 
 class GMSH_PluginManager
@@ -58,3 +72,4 @@ public :
 
 
 
+