Mesh.cpp

// $Id: Mesh.cpp,v 1.46 2002-02-01 14:34:05 remacle Exp $

#include "Gmsh.h"
#include "GmshUI.h"
#include "Geo.h"
#include "CAD.h"
#include "Mesh.h"
#include "Draw.h"
#include "Context.h"
#include "MinMax.h"
#include "gl2ps.h"
#include "Verif.h"
#include "Numeric.h"

extern Mesh      *THEM;
extern Context_T  CTX;

/* ------------------------------------------------------------------------ */
/*  D r a w _ M e s h                                                       */
/* ------------------------------------------------------------------------ */


void draw_polygon_2d (double r, double g, double b, int n, 
                      double *x, double *y, double *z){
  int i ;

  CalculateMinMax(THEM->Points,NULL);
  InitOpengl();
  InitPosition();

  glDisable(GL_DEPTH_TEST);
  glDrawBuffer(GL_FRONT);
  glColor3f(r,g,b);
  glBegin(GL_LINE_STRIP);
  for(i=0 ; i<n ; i++)
    if(z)glVertex3d(x[i], y[i],z[i]);
    else  glVertex2d(x[i], y[i]);
  glEnd();
  glFlush();
  glDrawBuffer(GL_BACK);
  glEnable(GL_DEPTH_TEST);

}

static int iColor;

void ColorSwitch(int i){
  glColor4ubv((GLubyte*)&CTX.color.mesh.carousel[i%10]);
}

static int DrawVertexSupp ;

void Draw_Mesh (Mesh *M) {
  int i;

  if(!CTX.moving_light) InitRenderModel();

  if(CTX.mesh.shade)
    InitShading();
  else
    InitNoShading();
  InitPosition();

  if(CTX.moving_light) InitRenderModel();

  for(i = 0 ; i < 6 ; i++)
    if(CTX.clip[i])
      glClipPlane((GLenum)(GL_CLIP_PLANE0 + i), CTX.clip_plane[i]);

  glPointSize(CTX.mesh.point_size);