/usr/share/doc/libplplot12/examples/c/x06c.c is in libplplot-dev 5.10.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | // $Id: x06c.c 11289 2010-10-29 20:44:17Z airwin $
//
// Font demo.
//
#include "plcdemos.h"
//--------------------------------------------------------------------------
// main
//
// Displays the entire "plpoin" symbol (font) set.
//--------------------------------------------------------------------------
int
main( int argc, const char *argv[] )
{
char text[10];
int i, j, k, kind_font, font, maxfont;
PLFLT x, y;
// Parse and process command line arguments
(void) plparseopts( &argc, argv, PL_PARSE_FULL );
// Initialize plplot
plinit();
for ( kind_font = 0; kind_font < 2; kind_font++ )
{
plfontld( kind_font );
if ( kind_font == 0 )
maxfont = 1;
else
maxfont = 4;
for ( font = 0; font < maxfont; font++ )
{
plfont( font + 1 );
pladv( 0 );
// Set up viewport and window
plcol0( 2 );
plvpor( 0.1, 1.0, 0.1, 0.9 );
plwind( 0.0, 1.0, 0.0, 1.3 );
// Draw the grid using plbox
plbox( "bcg", 0.1, 0, "bcg", 0.1, 0 );
// Write the digits below the frame
plcol0( 15 );
for ( i = 0; i <= 9; i++ )
{
sprintf( text, "%d", i );
plmtex( "b", 1.5, ( 0.1 * i + 0.05 ), 0.5, text );
}
k = 0;
for ( i = 0; i <= 12; i++ )
{
// Write the digits to the left of the frame
sprintf( text, "%d", 10 * i );
plmtex( "lv", 1.0, ( 1.0 - ( 2 * i + 1 ) / 26.0 ), 1.0, text );
for ( j = 0; j <= 9; j++ )
{
x = 0.1 * j + 0.05;
y = 1.25 - 0.1 * i;
// Display the symbols (plpoin expects that x and y are arrays so
// pass pointers)
if ( k < 128 )
plpoin( 1, &x, &y, k );
k = k + 1;
}
}
if ( kind_font == 0 )
plmtex( "t", 1.5, 0.5, 0.5, "PLplot Example 6 - plpoin symbols (compact)" );
else
plmtex( "t", 1.5, 0.5, 0.5, "PLplot Example 6 - plpoin symbols (extended)" );
}
}
plend();
exit( 0 );
}
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