/usr/share/doc/libplplot11/examples/c++/x12.cc is in libplplot-dev 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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// $Id: x12.cc 11760 2011-06-01 19:29:11Z airwin $
//--------------------------------------------------------------------------
//
//--------------------------------------------------------------------------
// Copyright (C) 2004 Andrew Ross <andrewr@coriolis.greenend.org.uk>
// Copyright (C) 2004 Alan W. Irwin
//
// This file is part of PLplot.
//
// PLplot is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// PLplot 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with PLplot; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//--------------------------------------------------------------------------
//
//--------------------------------------------------------------------------
// Implementation of PLplot example 12 in C++.
//--------------------------------------------------------------------------
#include "plc++demos.h"
#ifdef PL_USE_NAMESPACE
using namespace std;
#endif
class x12 {
public:
x12( int, const char** );
void plfbox( PLFLT, PLFLT );
private:
plstream *pls;
static const PLFLT y0[];
static PLFLT pos[], red[], green[], blue[];
};
const PLFLT x12::y0[10] = { 5., 15., 12., 24., 28., 30., 20., 8., 12., 3. };
PLFLT x12:: pos[] = { 0.0, 0.25, 0.5, 0.75, 1.0 };
PLFLT x12:: red[] = { 0.0, 0.25, 0.5, 1.0, 1.0 };
PLFLT x12:: green[] = { 1.0, 0.5, 0.5, 0.5, 1.0 };
PLFLT x12:: blue[] = { 1.0, 1.0, 0.5, 0.25, 0.0 };
x12::x12( int argc, const char **argv )
{
int i;
char string[20];
pls = new plstream();
// Parse and process command line arguments.
pls->parseopts( &argc, argv, PL_PARSE_FULL );
// Initialize plplot.
pls->init();
pls->adv( 0 );
pls->vsta();
pls->wind( 1980.0, 1990.0, 0.0, 35.0 );
pls->box( "bc", 1.0, 0, "bcnv", 10.0, 0 );
pls->col0( 2 );
pls->lab( "Year", "Widget Sales (millions)", "#frPLplot Example 12" );
pls->scmap1l( true, 5, pos, red, green, blue, NULL );
for ( i = 0; i < 10; i++ )
{
//pls->col0(i + 1);
pls->col1( i / 9.0 );
pls->psty( 0 );
plfbox( ( 1980. + i ), y0[i] );
sprintf( string, "%.0f", y0[i] );
pls->ptex( ( 1980. + i + .5 ), ( y0[i] + 1. ), 1.0, 0.0, .5, string );
sprintf( string, "%d", 1980 + i );
pls->mtex( "b", 1.0, ( ( i + 1 ) * .1 - .05 ), 0.5, string );
}
//pls->end();
delete pls;
}
void x12::plfbox( PLFLT x0, PLFLT y0 )
{
PLFLT *x = new PLFLT[4];
PLFLT *y = new PLFLT[4];
x[0] = x0;
y[0] = 0.;
x[1] = x0;
y[1] = y0;
x[2] = x0 + 1.;
y[2] = y0;
x[3] = x0 + 1.;
y[3] = 0.;
pls->fill( 4, x, y );
pls->col0( 1 );
pls->lsty( 1 );
pls->line( 4, x, y );
delete[] x;
delete[] y;
}
int main( int argc, const char **argv )
{
x12 *x = new x12( argc, argv );
delete x;
}
//--------------------------------------------------------------------------
// End of x12.cc
//--------------------------------------------------------------------------
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