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/***************************************************************************
* glut_example.cpp is part of Math Graphic Library
* Copyright (C) 2007-2016 Alexey Balakin <mathgl.abalakin@gmail.ru> *
* *
* 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. *
***************************************************************************/
#include "mgl2/glut.h"
//-----------------------------------------------------------------------------
#if defined(WIN32) || defined(_MSC_VER) || defined(__BORLANDC__)
#include <windows.h>
#else
#include <unistd.h>
#endif
void long_calculations() // just delay which correspond to simulate calculations
{
#if defined(WIN32) || defined(_MSC_VER) || defined(__BORLANDC__)
Sleep(1000);
#else
sleep(1); // which can be very long
#endif
}
//-----------------------------------------------------------------------------
#if defined(PTHREAD_SAMPLE)
mglGLUT *gr=NULL;
void *calc(void *)
{
mglPoint pnt;
for(int i=0;i<10;i++) // do calculation
{
sleep(1); // which can be very long
pnt.Set(2*mgl_rnd()-1,2*mgl_rnd()-1);
printf("i=%d, gr=%p\n",i,gr); fflush(stdout);
if(gr)
{
gr->Clf(); // make new drawing
gr->Line(mglPoint(),pnt,"Ar2");
char str[10] = "i=0"; str[2] = '0'+i;
gr->Puts(mglPoint(),str);
gr->Update(); // update window
}
}
exit(0);
}
int main(int argc,char **argv)
{
mgl_textdomain(argv?argv[0]:NULL);
static pthread_t thr;
pthread_create(&thr,0,calc,0);
pthread_detach(thr);
gr = new mglGLUT;
printf("Create gr=%p\n",gr); fflush(stdout);
gr->Run(); return 0;
}
#else
int test_wnd(mglGraph *gr);
int sample(mglGraph *gr);
int sample_m(mglGraph *gr);
int sample_1(mglGraph *gr);
int sample_2(mglGraph *gr);
int sample_3(mglGraph *gr);
int sample_d(mglGraph *gr);
//-----------------------------------------------------------------------------
typedef int (*draw_func)(mglGraph *gr);
int main(int argc,char **argv)
{
mgl_textdomain(argv?argv[0]:NULL,"");
char key = 0;
if(argc>1) key = argv[1][0]!='-' ? argv[1][0] : argv[1][1];
else printf("You may specify argument '1', '2', '3' or 'd' for viewing examples of 1d, 2d, 3d or dual plotting\n");
switch(key)
{
case '1': new mglGLUT(sample_1, "1D plots"); break;
case '2': new mglGLUT(sample_2, "2D plots"); break;
case '3': new mglGLUT(sample_3, "3D plots"); break;
case 'd': new mglGLUT(sample_d, "Dual plots"); break;
case 't': new mglGLUT(test_wnd, "Testing"); break;
default: new mglGLUT(sample, "Example of molecules"); break;
}
return 0;
}
#endif
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