ganttex13-zoom1.php

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    <?php // content="text/plain; charset=utf-8"
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_gantt.php');

    $graph = new GanttGraph();
    $graph->SetShadow();

    // Add title and subtitle
    $graph->title->Set("Zooming a graph");
    $graph->title->SetFont(FF_ARIAL,FS_BOLD,12);
    $graph->subtitle->Set("(zoom=0.7)");

    // Show day, week and month scale
    $graph->ShowHeaders(GANTT_HDAY | GANTT_HWEEK | GANTT_HMONTH);

    // Instead of week number show the date for the first day in the week
    // on the week scale
    $graph->scale->week->SetStyle(WEEKSTYLE_FIRSTDAY);

    // Make the week scale font smaller than the default
    $graph->scale->week->SetFont(FF_FONT0);

    // Use the short name of the month together with a 2 digit year
    // on the month scale
    $graph->scale->month->SetStyle(MONTHSTYLE_SHORTNAMEYEAR4);
    $graph->scale->month->SetFontColor("white");
    $graph->scale->month->SetBackgroundColor("blue");

    // 0 % vertical label margin
    $graph->SetLabelVMarginFactor(1.0); // 1=default value

    // Set zoom factor
    $graph->SetZoomFactor(0.7);

    // Format the bar for the first activity
    // ($row,$title,$startdate,$enddate)
    $activity1 = new GanttBar(0,"Activity 1","2001-12-21","2002-01-07","[ER,TR]");

    // Yellow diagonal line pattern on a red background
    $activity1->SetPattern(BAND_RDIAG,"yellow");
    $activity1->SetFillColor("red");

    // Set absolute height of activity
    $activity1->SetHeight(16);

    // Format the bar for the second activity
    // ($row,$title,$startdate,$enddate)
    $activity2 = new GanttBar(1,"Activity 2","2001-12-21","2002-01-01","[BO,SW,JC]");

    // ADjust font for caption
    $activity2->caption->SetFont(FF_ARIAL,FS_BOLD);
    $activity2->caption->SetColor("darkred");

    // Yellow diagonal line pattern on a red background
    $activity2->SetPattern(BAND_RDIAG,"yellow");
    $activity2->SetFillColor("red");

    // Set absolute height of activity
    $activity2->SetHeight(16);

    // Finally add the bar to the graph
    $graph->Add($activity1);
    $graph->Add($activity2);

    // ... and display it
    $graph->Stroke();
    ?>