theme_example.php

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    <?php
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_bar.php');

    $data1y=array(47,80,40,116);
    $graph = new Graph(400, 300, 'auto');
    $graph->SetScale('textlin');

    $theme_class = new AquaTheme;
    $graph->SetTheme($theme_class);

    // after setting theme, you can change details as you want
    $graph->SetFrame(true, 'lightgray');                        // set frame visible

    $graph->xaxis->SetTickLabels(array('A','B','C','D')); // change xaxis lagels
    $graph->title->Set("Theme Example");                    // add title

    // add barplot
    $bplot = new BarPlot($data1y);
    $graph->Add($bplot);

    // you can change properties of the plot only after calling Add()
    $bplot->SetWeight(0);
    $bplot->SetFillGradient('#FFAAAA:0.7', '#FFAAAA:1.2', GRAD_VER);

    $graph->Stroke();