//      Font demo.
//

import plplot;
import std.string;

int[20] base = [    0, 100, 0, 100, 200, 500, 600, 700, 800, 900,
                    2000, 2100, 2200, 2300, 2400, 2500, 2600,
                    2700, 2800, 2900];

//--------------------------------------------------------------------------
// main
//
// Displays the entire "plsym" symbol (font) set.
//--------------------------------------------------------------------------
int main( char[][] args )
{
    string text;
    PLFLT[1] x, y;

    // Parse and process command line arguments
    plparseopts( args, PL_PARSE_FULL );

    // Initialize plplot
    plinit();

    plfontld( 0 );
    for ( size_t l = 0; l < 20; l++ )
    {
        if ( l == 2 )
            plfontld( 1 );
        pladv( 0 );

        // Set up viewport and window
        plcol0( 2 );
        plvpor( 0.15, 0.95, 0.1, 0.9 );
        plwind( 0.0, 1.0, 0.0, 1.0 );

        // Draw the grid using plbox
        plbox( "bcg", 0.1, 0, "bcg", 0.1, 0 );

        // Write the digits below the frame
        plcol0( 15 );
        for ( size_t i = 0; i <= 9; i++ )
        {
            text = format( "%d", i );
            plmtex( "b", 1.5, ( 0.1 * i + 0.05 ), 0.5, text );
        }

        size_t k = 0;
        for ( size_t i = 0; i <= 9; i++ )
        {
            // Write the digits to the left of the frame
            text = format( "%d", base[l] + 10 * i );
            plmtex( "lv", 1.0, ( 0.95 - 0.1 * i ), 1.0, text );
            for ( size_t j = 0; j <= 9; j++ )
            {
                x[0] = 0.1 * j + 0.05;
                y[0] = 0.95 - 0.1 * i;

                // Display the symbols
                plsym( x, y, cast(PLINT) ( base[l] + k ) );
                k = k + 1;
            }
        }

        if ( l < 2 )
            plmtex( "t", 1.5, 0.5, 0.5, "PLplot Example 7 - PLSYM symbols (compact)" );
        else
            plmtex( "t", 1.5, 0.5, 0.5, "PLplot Example 7 - PLSYM symbols (extended)" );
    }
    plend();
    return 0;
}