canvasex03.php

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    <?php // content="text/plain; charset=utf-8"
    // $Id: canvasex03.php,v 1.1 2002/08/27 20:08:57 aditus Exp $
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_canvas.php');
    require_once ('jpgraph/jpgraph_canvtools.php');

    // Define work space
    $xmax=20;
    $ymax=20;

    // Setup a basic canvas we can work
    $g = new CanvasGraph(400,200,'auto');
    $g->SetMargin(5,11,6,11);
    $g->SetShadow();
    $g->SetMarginColor("teal");

    // We need to stroke the plotarea and margin before we add the
    // text since we otherwise would overwrite the text.
    $g->InitFrame();

    // Create a new scale
    $scale = new CanvasScale($g);
    $scale->Set(0,$xmax,0,$ymax);

    // The shape class is wrapper around the Imgae class which translates
    // the coordinates for us
    $shape = new Shape($g,$scale);
    $shape->SetColor('black');

    // Add a black line
    $shape->SetColor('black');
    $shape->Line(0,0,20,20);

    // .. and a circle (x,y,diameter)
    $shape->Circle(5,14,2);

    // .. and a filled circle (x,y,diameter)
    $shape->SetColor('red');
    $shape->FilledCircle(11,8,3);

    // .. add a rectangle
    $shape->SetColor('green');
    $shape->FilledRectangle(15,8,19,14);

    // .. add a filled rounded rectangle
    $shape->SetColor('green');
    $shape->FilledRoundedRectangle(2,3,8,6);
    // .. with a darker border
    $shape->SetColor('darkgreen');
    $shape->RoundedRectangle(2,3,8,6);

    // Stroke the graph
    $g->Stroke();

    ?>