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Scale.cpp

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  • Forked from gmsh / gmsh
    Source project has a limited visibility.
    Scale.cpp 9.98 KiB
    // $Id: Scale.cpp,v 1.68 2007-09-15 16:57:28 geuzaine Exp $
    //
    // Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
    //
    // This program is free software; you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation; either version 2 of the License, or
    // (at your option) any later version.
    //
    // This program 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 General Public License for more details.
    //
    // You should have received a copy of the GNU General Public License
    // along with this program; if not, write to the Free Software
    // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
    // USA.
    // 
    // Please report all bugs and problems to <gmsh@geuz.org>.
    
    #include "GmshUI.h"
    #include "Draw.h"
    #include "PView.h"
    #include "Context.h"
    #include "gl2ps.h"
    
    extern Context_T CTX;
    
    static void drawScaleBar(PView *p, double xmin, double ymin, double width, 
    			 double height, double tic, int horizontal)
    {
      PViewOptions *opt = p->getOptions();
    
      double box = (horizontal ? width : height) / (opt->NbIso ? opt->NbIso : 1);
    
      for(int i = 0; i < opt->NbIso; i++) {
        if(opt->IntervalsType == PViewOptions::Discrete){
          unsigned int col = opt->getColor(i, opt->NbIso);
          glColor4ubv((GLubyte *) &col);
          glBegin(GL_QUADS);
          if(horizontal){
    	glVertex2d(xmin + i * box, ymin);
    	glVertex2d(xmin + (i + 1) * box, ymin);
    	glVertex2d(xmin + (i + 1) * box, ymin + height);
    	glVertex2d(xmin + i * box, ymin + height);
          }
          else{
    	glVertex2d(xmin, ymin + i * box);
    	glVertex2d(xmin + width, ymin + i * box);
    	glVertex2d(xmin + width, ymin + (i + 1) * box);
    	glVertex2d(xmin, ymin + (i + 1) * box);
          }
          glEnd();
        }
        else if(opt->IntervalsType == PViewOptions::Continuous){
          glBegin(GL_QUADS);
          double dv = (opt->TmpMax - opt->TmpMin) / (opt->NbIso ? opt->NbIso : 1);
          double v1 = opt->TmpMin + i * dv;
          unsigned int col1 = opt->getColor(v1, opt->TmpMin, opt->TmpMax);
          glColor4ubv((GLubyte *) &col1);
          if(horizontal){
    	glVertex2d(xmin + i * box, ymin + height);
    	glVertex2d(xmin + i * box, ymin);
          }
          else{
    	glVertex2d(xmin, ymin + i * box);
    	glVertex2d(xmin + width, ymin + i * box);
          }
          double v2 = opt->TmpMin + (i + 1) * dv;