Dennis: Datacontrol Use-View-Marker-interface-in-DataControl

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@6638 383ad7c9-94d9-4d36-a494-682f7c89f535

DefaultObjectMarker.cc

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2009 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper 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 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper 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 OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision: $
+//   $Author: $
+//   $Date: $
+//
+//=============================================================================
+
+#include <OpenFlipper/common/Types.hh>
+#include <OpenFlipper/common/BaseObject.hh>
+#include "DefaultObjectMarker.hh"
+
+//******************************************************************************
+
+const ACG::Vec4f base_color (0.6,0.6,0.6,1.0);
+const ACG::Vec4f source_color (0.6,0.6,1.0,1.0);
+const ACG::Vec4f source_target_color (0.6,1.0,1.0,1.0);
+
+//******************************************************************************
+
+bool DefaultObjectMarker::stencilRefForObject(BaseObject * _obj, GLuint & _reference)
+{
+  if (!_obj->target() && !_obj->source())
+  {
+    _reference = 1;
+    return true;
+  }
+  else if (!_obj->target() && _obj->source())
+  {
+    _reference = 2;
+    return true;
+  }
+  else if (_obj->target() && _obj->source())
+  {
+    _reference = 3;
+    return true;
+  }
+
+  return false;
+}
+
+bool DefaultObjectMarker::blendForStencilRefNumber(GLuint _reference, GLenum & _src, GLenum & _dst, ACG::Vec4f & _color)
+{
+  _src = GL_ZERO;
+  _dst = GL_SRC_COLOR;
+
+  switch (_reference)
+  {
+    case 1:
+      _color = base_color;
+      return true;
+    case 2:
+      _color = source_color;
+      return true;
+    case 3:
+      _color = source_target_color;
+      return true;
+    default:
+      return false;
+  }
+  return false;
+}
+

DefaultObjectMarker.hh

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2009 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper 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 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper 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 OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision: $
+//   $Author: $
+//   $Date: $
+//
+//=============================================================================
+
+
+#ifndef DEFAULTOBJECTMARKER_HH
+#define DEFAULTOBJECTMARKER_HH
+
+#include <OpenFlipper/BasePlugin/ViewObjectMarker.hh>
+
+/** Object marker to visualize "target" and "source" object flags
+*/
+class DefaultObjectMarker : public ViewObjectMarker
+{
+  public:
+
+    bool stencilRefForObject (BaseObject *_obj, GLuint &_reference);
+
+    bool blendForStencilRefNumber (GLuint _reference, GLenum &_src, GLenum &_dst, ACG::Vec4f &_color);
+};
+
+#endif