drawGeom.cpp

// Gmsh - Copyright (C) 1997-2009 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to <gmsh@geuz.org>.

#include "drawContext.h"
#include "Context.h"
#include "gl2ps.h"
#include "VertexArray.h"
#include "GModel.h"
#include "SBoundingBox3d.h"
#include "GmshMessage.h"

class drawGVertex {
 private :
  drawContext *_ctx;
 public :
  drawGVertex(drawContext *ctx) : _ctx(ctx){}
  void operator () (GVertex *v)
  {
    if(!v->getVisibility()) return;
    if(v->geomType() == GEntity::BoundaryLayerPoint) return;

    bool select = (_ctx->render_mode == drawContext::GMSH_SELECT && 
                   v->model() == GModel::current());
    if(select) {
      glPushName(0);
      glPushName(v->tag());
    }
    
    if(v->getSelection()) {
      glPointSize((float)CTX::instance()->geom.selectedPointSize);
      gl2psPointSize((float)(CTX::instance()->geom.selectedPointSize * 
                             CTX::instance()->print.epsPointSizeFactor));
      glColor4ubv((GLubyte *) & CTX::instance()->color.geom.selection);
    }
    else {
      glPointSize((float)CTX::instance()->geom.pointSize);
      gl2psPointSize((float)(CTX::instance()->geom.pointSize *
                             CTX::instance()->print.epsPointSizeFactor));
      glColor4ubv((GLubyte *) & CTX::instance()->color.geom.point);
    }
    
    if(CTX::instance()->geom.highlightOrphans){
      std::list<GEdge*> edges = v->edges();
      if(edges.size() == 0)
        glColor4ubv((GLubyte *) & CTX::instance()->color.geom.highlight[0]);
      else if(edges.size() == 1)
        glColor4ubv((GLubyte *) & CTX::instance()->color.geom.highlight[1]);
    }

    double x = v->x(), y = v->y(), z = v->z();
    _ctx->transform(x, y, z);

    if(CTX::instance()->geom.points) {
      if(CTX::instance()->geom.pointType > 0) {
        if(v->getSelection())
          _ctx->drawSphere(CTX::instance()->geom.selectedPointSize, x, y, z, 
                           CTX::instance()->geom.light);
        else
          _ctx->drawSphere(CTX::instance()->geom.pointSize, x, y, z, 
                           CTX::instance()->geom.light);
      }
      else {
        glBegin(GL_POINTS);
        glVertex3d(x, y, z);
        glEnd();
      }
    }