PHP GanttBar::SetFillColor方法代码示例

function graph_schedule($data, $title, $show_day)
{
    require_once "jpgraph/jpgraph.php";
    require_once "jpgraph/jpgraph_gantt.php";
    // Some sample Gantt data
    /*
    	$data = array(
    		array(0, " Bryce", "2009-08-28 11:00","2009-08-28 15:30"),
    		array(1, " Kyla", "2009-08-28 08:00","2009-08-28 15:30"),
    		array(2, " Nathan", "2009-08-28 08:00","2009-08-28 17:00")
    	);
    */
    // Basic graph parameters
    $graph = new GanttGraph(700);
    $graph->SetMarginColor('darkgreen@0.8');
    $graph->SetColor('white');
    $graph->title->Set("{$title}'s Schedule");
    $graph->title->SetColor('darkgray');
    // We want to display day, hour and minute scales
    if ($show_day) {
        $graph->ShowHeaders(GANTT_HDAY | GANTT_HHOUR);
    } else {
        $graph->ShowHeaders(GANTT_HHOUR);
    }
    #$graph->ShowHeaders(GANTT_HDAY | GANTT_HHOUR);
    #$graph->ShowHeaders(GANTT_HHOUR);
    // Setup day format
    $graph->scale->day->SetBackgroundColor('lightyellow:1.5');
    $graph->scale->day->SetStyle(DAYSTYLE_LONG);
    $graph->scale->day->SetFont(FF_FONT1, FS_NORMAL, 16);
    // Setup hour format
    $graph->scale->hour->SetIntervall(1);
    $graph->scale->hour->SetBackgroundColor('lightyellow:1.5');
    $graph->scale->hour->SetStyle(HOURSTYLE_HAMPM);
    $graph->scale->hour->grid->SetColor('gray:0.8');
    $graph->scale->hour->SetFont(FF_FONT1, FS_NORMAL, 13);
    for ($i = 0; $i < count($data); ++$i) {
        $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3], $data[$i][4]);
        $bar->SetPattern(BAND_RDIAG, "yellow");
        $bar->SetFillColor("gray");
        $graph->Add($bar);
    }
    // Draw graph
    $graph->Stroke();
}

$graph->scale->day->SetSundayFontColor('black');
$graph->scale->hour->SetFont(FF_FONT1);
$graph->scale->hour->SetIntervall(1);
$graph->scale->hour->SetStyle(HOURSTYLE_H24);
$graph->hgrid->SetRowFillColor('whitesmoke@0.9', 'darkblue@0.9');
$graph->setMargin(0, 0, 0, 20);
$graph->scale->hour->SetFont(FF_FONT1);
$graph->scale->day->SetFont(FF_FONT1, FS_BOLD);
$graph->title->SetColor('white');
$graph->scale->UseWeekendBackground(false);
$graph->scale->day->SetWeekendColor('lightyellow:1.5');
$graph->scale->week->SetFont(FF_FONT1);
$graph->hgrid->Show(true);
$graph->hgrid->SetRowFillColor('whitesmoke@0.9', 'darkblue@0.9');
if ($suma > 0) {
    for ($i = 0; $i < count($data); ++$i) {
        $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3]);
        $bar->SetPattern(BAND_RDIAG, 'lightgray');
        $bar->SetFillColor('brown');
        $bar->SetShadow(true, 'black@0.5');
        $graph->Add($bar);
    }
} else {
    $bar = new GanttBar(0, $text["noactivity"], "23:59", "00:00");
    $bar->SetPattern(BAND_RDIAG, 'white@1');
    $graph->Add($bar);
}
$graph->footer->left->Set($text["totalingame"] . " " . formatTD($suma));
$graph->footer->left->SetColor('black@0.5');
$graph->footer->left->SetFont(FF_FONT2, FS_BOLD);
$graph->Stroke();

// Format and add the Gantt bars to the chart
$n = count($data);
for ($i = 0; $i < $n; ++$i) {
    if ($i === 0 || $i === 3) {
        // Format the group bars
        $bar = new GanttBar($data[$i][0], array($data[$i][1], $data[$i][2], $data[$i][3]), $data[$i][2], $data[$i][3], '', 0.35);
        // For each group make the name bold but keep the dates as the default font
        $bar->title->SetColumnFonts(array(array(FF_ARIAL, FS_BOLD, 11)));
        // Add group markers
        $bar->leftMark->SetType(MARK_LEFTTRIANGLE);
        $bar->leftMark->Show();
        $bar->rightMark->SetType(MARK_RIGHTTRIANGLE);
        $bar->rightMark->Show();
        $bar->SetFillColor('black');
        $bar->SetPattern(BAND_SOLID, 'black');
    } else {
        // Format the activity bars
        $bar = new GanttBar($data[$i][0], array($data[$i][1], $data[$i][2], $data[$i][3]), $data[$i][2], $data[$i][3], '', 0.45);
        $bar->SetPattern(BAND_RDIAG, 'black');
        $bar->SetFillColor('orange');
    }
    // Default font
    $bar->title->SetFont(FF_ARIAL, FS_NORMAL, 10);
    $graph->Add($bar);
}
// Send back the graph to the client
$graph->Stroke();
?>

function ganttPDF($reportName, $listTasks)
{
    include "../includes/jpgraph/jpgraph.php";
    include "../includes/jpgraph/jpgraph_gantt.php";
    $graph = new GanttGraph();
    $graph->SetBox();
    $graph->SetMarginColor("white");
    $graph->SetColor("white");
    $graph->title->Set($strings["project"] . " " . $reportName);
    //    $graph->subtitle->Set("(".$strings["created"].": "..")");
    $graph->title->SetFont(FF_FONT1);
    $graph->SetColor("white");
    $graph->ShowHeaders(GANTT_HYEAR | GANTT_HMONTH | GANTT_HDAY | GANTT_HWEEK);
    $graph->scale->week->SetStyle(WEEKSTYLE_FIRSTDAY);
    $graph->scale->week->SetFont(FF_FONT0);
    $graph->scale->year->SetFont(FF_FONT1);
    $comptListTasks = count($listTasks->tas_id);
    $posGantt = 0;
    for ($i = 0; $i < $comptListTasks; $i++) {
        $listTasks->tas_name[$i] = str_replace('&quot;', '"', $listTasks->tas_name[$i]);
        $listTasks->tas_name[$i] = str_replace("&#39;", "'", $listTasks->tas_name[$i]);
        $progress = round($listTasks->tas_completion[$i] / 10, 2);
        $printProgress = $listTasks->tas_completion[$i] * 10;
        $activity = new GanttBar($posGantt, $listTasks->tas_pro_name[$i] . " / " . $listTasks->tas_name[$i], $listTasks->tas_start_date[$i], $listTasks->tas_due_date[$i]);
        $activity->SetPattern(BAND_LDIAG, "yellow");
        $activity->caption->Set($listTasks->tas_mem_login[$i] . " (" . $printProgress . "%)");
        $activity->SetFillColor("gray");
        if ($listTasks->tas_priority[$i] == "4" || $listTasks->tas_priority[$i] == "5") {
            $activity->progress->SetPattern(BAND_SOLID, "#BB0000");
        } else {
            $activity->progress->SetPattern(BAND_SOLID, "#0000BB");
        }
        $activity->progress->Set($progress);
        $graph->Add($activity);
        // begin if subtask
        $tmpquery = "WHERE task = " . $listTasks->tas_id[$i];
        $listSubTasks = new request();
        $listSubTasks->openSubtasks($tmpquery);
        $comptListSubTasks = count($listSubTasks->subtas_id);
        if ($comptListSubTasks >= 1) {
            // list subtasks
            for ($j = 0; $j < $comptListSubTasks; $j++) {
                $listSubTasks->subtas_name[$j] = str_replace('&quot;', '"', $listSubTasks->subtas_name[$j]);
                $listSubTasks->subtas_name[$j] = str_replace("&#39;", "'", $listSubTasks->subtas_name[$j]);
                $progress = round($listSubTasks->subtas_completion[$j] / 10, 2);
                $printProgress = $listSubTasks->subtas_completion[$j] * 10;
                $posGantt += 1;
                // $activity = new GanttBar($posGantt,$listTasks->tas_pro_name[$i]." / ".$listSubTasks->subtas_name[$j],$listSubTasks->subtas_start_date[$j],$listSubTasks->subtas_due_date[$j]);
                // change name of project for name of parent task
                $activity = new GanttBar($posGantt, $listSubTasks->subtas_tas_name[$j] . " / " . $listSubTasks->subtas_name[$j], $listSubTasks->subtas_start_date[$j], $listSubTasks->subtas_due_date[$j]);
                //$activity = new GanttBar($j,$strings["project"].": ".$listSubTasks->subtas_pro_name[$j]." / ".$strings["task"].": ".$listSubTasks->subtas_name[$j],$listSubTasks->subtas_start_date[$j],$listSubTasks->subtas_due_date[$j]);
                $activity->SetPattern(BAND_LDIAG, "yellow");
                $activity->caption->Set($listSubTasks->subtas_mem_login[$j] . " (" . $printProgress . "%)");
                $activity->SetFillColor("gray");
                if ($listSubTasks->subtas_priority[$j] == "4" || $listSubTasks->subtas_priority[$j] == "5") {
                    $activity->progress->SetPattern(BAND_SOLID, "#BB0000");
                } else {
                    $activity->progress->SetPattern(BAND_SOLID, "#0000BB");
                }
                $activity->progress->Set($progress);
                $graph->Add($activity);
            }
            // end for comptListSubTasks
        }
        // end if subtask
        $posGantt += 1;
    }
    // end for complisttask
    $tmpGantt = "../files/" . md5(uniqid(rand()));
    $graph->Stroke($tmpGantt);
    return $tmpGantt;
}

 public function addSubSubBar($label, $start, $end, $caption = '', $height = '0.6', $barcolor = 'FFFFFF', $progress = 0)
 {
     $startDate = new CDate($start);
     $endDate = new CDate($end);
     $bar = new GanttBar($this->rowCount++, array($label, ' ', ' ', ' '), $startDate->format(FMT_DATETIME_MYSQL), $endDate->format(FMT_DATETIME_MYSQL), 0.6);
     $bar->title->SetFont(FF_CUSTOM, FS_NORMAL, 9);
     $bar->SetFillColor('#' . $barcolor);
     $this->graph->Add($bar);
 }

 function CreateSimple($data, $constrains = array(), $progress = array())
 {
     $num = count($data);
     for ($i = 0; $i < $num; ++$i) {
         switch ($data[$i][1]) {
             case ACTYPE_GROUP:
                 // Create a slightly smaller height bar since the
                 // "wings" at the end will make it look taller
                 $a = new GanttBar($data[$i][0], $data[$i][2], $data[$i][3], $data[$i][4], '', 8);
                 $a->title->SetFont($this->iSimpleFont, FS_BOLD, $this->iSimpleFontSize);
                 $a->rightMark->Show();
                 $a->rightMark->SetType(MARK_RIGHTTRIANGLE);
                 $a->rightMark->SetWidth(8);
                 $a->rightMark->SetColor('black');
                 $a->rightMark->SetFillColor('black');
                 $a->leftMark->Show();
                 $a->leftMark->SetType(MARK_LEFTTRIANGLE);
                 $a->leftMark->SetWidth(8);
                 $a->leftMark->SetColor('black');
                 $a->leftMark->SetFillColor('black');
                 $a->SetPattern(BAND_SOLID, 'black');
                 $csimpos = 6;
                 break;
             case ACTYPE_NORMAL:
                 $a = new GanttBar($data[$i][0], $data[$i][2], $data[$i][3], $data[$i][4], '', 10);
                 $a->title->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $a->SetPattern($this->iSimpleStyle, $this->iSimpleColor);
                 $a->SetFillColor($this->iSimpleBkgColor);
                 // Check if this activity should have a constrain line
                 $n = count($constrains);
                 for ($j = 0; $j < $n; ++$j) {
                     if (empty($constrains[$j]) || count($constrains[$j]) != 3) {
                         JpGraphError::RaiseL(6003, $j);
                         //("Invalid format for Constrain parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Constrain-To,Constrain-Type)");
                     }
                     if ($constrains[$j][0] == $data[$i][0]) {
                         $a->SetConstrain($constrains[$j][1], $constrains[$j][2], 'black', ARROW_S2, ARROWT_SOLID);
                     }
                 }
                 // Check if this activity have a progress bar
                 $n = count($progress);
                 for ($j = 0; $j < $n; ++$j) {
                     if (empty($progress[$j]) || count($progress[$j]) != 2) {
                         JpGraphError::RaiseL(6004, $j);
                         //("Invalid format for Progress parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Progress)");
                     }
                     if ($progress[$j][0] == $data[$i][0]) {
                         $a->progress->Set($progress[$j][1]);
                         $a->progress->SetPattern($this->iSimpleProgressStyle, $this->iSimpleProgressColor);
                         $a->progress->SetFillColor($this->iSimpleProgressBkgColor);
                         //$a->progress->SetPattern($progress[$j][2],$progress[$j][3]);
                         break;
                     }
                 }
                 $csimpos = 6;
                 break;
             case ACTYPE_MILESTONE:
                 $a = new MileStone($data[$i][0], $data[$i][2], $data[$i][3]);
                 $a->title->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $a->caption->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $csimpos = 5;
                 break;
             default:
                 die('Unknown activity type');
                 break;
         }
         // Setup caption
         $a->caption->Set($data[$i][$csimpos - 1]);
         // Check if this activity should have a CSIM target�?
         if (!empty($data[$i][$csimpos])) {
             $a->SetCSIMTarget($data[$i][$csimpos]);
             $a->SetCSIMAlt($data[$i][$csimpos + 1]);
         }
         if (!empty($data[$i][$csimpos + 2])) {
             $a->title->SetCSIMTarget($data[$i][$csimpos + 2]);
             $a->title->SetCSIMAlt($data[$i][$csimpos + 3]);
         }
         $this->Add($a);
     }
 }

                }
                //Insert workers for each task into Gantt Chart
                $q->addTable('user_tasks', 't');
                $q->addQuery('DISTINCT user_username, t.task_id');
                $q->addJoin('users', 'u', 'u.user_id = t.user_id');
                $q->addWhere('t.task_id = ' . $t['task_id']);
                $q->addOrder('user_username ASC');
                $workers = $q->loadList();
                $q->clear();
                $workersName = '';
                foreach ($workers as $w) {
                    $workersName .= ' ' . $w['user_username'];
                    $bar3 = new GanttBar($row++, array('   * ' . $w['user_username'], ' ', ' ', ' '), $tStartObj->format(FMT_DATETIME_MYSQL), $tEndObj->format(FMT_DATETIME_MYSQL), 0.6);
                    $bar3->title->SetFont(FF_CUSTOM, FS_NORMAL, 9);
                    $bar3->title->SetColor(bestColor('#ffffff', '#' . $p['project_color_identifier'], '#000000'));
                    $bar3->SetFillColor('#' . $p['project_color_identifier']);
                    $graph->Add($bar3);
                }
                //End of insert workers for each task into Gantt Chart
            }
            unset($tasks);
            //End of insert tasks into Gantt Chart
        }
        //End of if showAllGant checkbox is checked
    }
}
// End of check for valid projects array.
unset($projects);
$today = date('y-m-d');
$vline = new GanttVLine($today, $AppUI->_('Today', UI_OUTPUT_RAW));
$vline->title->SetFont(FF_CUSTOM, FS_BOLD, 10);

 public function addBar(array $columnValues, $caption = '', $height = '0.6', $barcolor = 'FFFFFF', $active = true, $progress = 0, $identifier = 0)
 {
     foreach ($columnValues as $name => $value) {
         switch ($name) {
             case 'start_date':
                 $start = $value;
                 $startDate = new w2p_Utilities_Date($value);
                 $rowValues[] = $startDate->format($this->df);
                 break;
             case 'end_date':
                 $endDate = new w2p_Utilities_Date($value);
                 $rowValues[] = $endDate->format($this->df);
                 break;
             case 'actual_end':
                 if ('' == $value) {
                     $actual_end = $columnValues['end_date'];
                     $rowValues[] = $value;
                 } else {
                     $actual_end = $value;
                     $actual_endDate = new w2p_Utilities_Date($value);
                     $rowValues[] = $actual_endDate->format($this->df);
                 }
                 break;
             default:
                 $rowValues[] = $value;
         }
     }
     $bar = new GanttBar($this->rowCount++, $rowValues, $start, $actual_end, $caption, $height);
     $this->rowMap[$identifier] = $this->rowCount;
     $bar->progress->Set(min($progress / 100, 1));
     $bar->title->SetFont(FF_CUSTOM, FS_NORMAL, 10);
     $bar->title->SetColor(bestColor('#ffffff', '#' . $barcolor, '#000000'));
     $bar->SetFillColor('#' . $barcolor);
     $bar->SetPattern(BAND_SOLID, '#' . $barcolor);
     if (0.1 == $height) {
         $bar->rightMark->Show();
         $bar->rightMark->SetType(MARK_RIGHTTRIANGLE);
         $bar->rightMark->SetWidth(3);
         $bar->rightMark->SetColor('black');
         $bar->rightMark->SetFillColor('black');
         $bar->leftMark->Show();
         $bar->leftMark->SetType(MARK_LEFTTRIANGLE);
         $bar->leftMark->SetWidth(3);
         $bar->leftMark->SetColor('black');
         $bar->leftMark->SetFillColor('black');
         $bar->SetPattern(BAND_SOLID, 'black');
         $bar->title->SetFont(FF_CUSTOM, FS_BOLD, 9);
     }
     //adding captions
     $bar->caption = new TextProperty($caption);
     $bar->caption->Align('left', 'center');
     if (is_file(TTF_DIR . 'FreeSans.ttf')) {
         $bar->caption->SetFont(FF_CUSTOM, FS_NORMAL, 8);
     }
     // gray out templates, completes, on ice, on hold
     if (!$active) {
         $bar->caption->SetColor('darkgray');
         $bar->title->SetColor('darkgray');
         $bar->SetColor('darkgray');
         $bar->SetFillColor('gray');
         $bar->progress->SetFillColor('darkgray');
         $bar->progress->SetPattern(BAND_SOLID, 'darkgray', 98);
     }
     $this->graph->Add($this->addDependencies($bar, $identifier));
 }

 function CreateSimple($data, $constrains = array(), $progress = array())
 {
     $num = count($data);
     for ($i = 0; $i < $num; ++$i) {
         switch ($data[$i][1]) {
             case ACTYPE_GROUP:
                 $a = new GanttBar($data[$i][0], $data[$i][2], $data[$i][3], $data[$i][4], '', 8);
                 $a->title->SetFont($this->iSimpleFont, FS_BOLD, $this->iSimpleFontSize);
                 $a->rightMark->Show();
                 $a->rightMark->SetType(MARK_RIGHTTRIANGLE);
                 $a->rightMark->SetWidth(8);
                 $a->rightMark->SetColor('black');
                 $a->rightMark->SetFillColor('black');
                 $a->leftMark->Show();
                 $a->leftMark->SetType(MARK_LEFTTRIANGLE);
                 $a->leftMark->SetWidth(8);
                 $a->leftMark->SetColor('black');
                 $a->leftMark->SetFillColor('black');
                 $a->SetPattern(BAND_SOLID, 'black');
                 $csimpos = 6;
                 break;
             case ACTYPE_NORMAL:
                 $a = new GanttBar($data[$i][0], $data[$i][2], $data[$i][3], $data[$i][4], '', 10);
                 $a->title->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $a->SetPattern($this->iSimpleStyle, $this->iSimpleColor);
                 $a->SetFillColor($this->iSimpleBkgColor);
                 $n = count($constrains);
                 for ($j = 0; $j < $n; ++$j) {
                     if (empty($constrains[$j]) || count($constrains[$j]) != 3) {
                         JpGraphError::RaiseL(6003, $j);
                     }
                     if ($constrains[$j][0] == $data[$i][0]) {
                         $a->SetConstrain($constrains[$j][1], $constrains[$j][2], 'black', ARROW_S2, ARROWT_SOLID);
                     }
                 }
                 $n = count($progress);
                 for ($j = 0; $j < $n; ++$j) {
                     if (empty($progress[$j]) || count($progress[$j]) != 2) {
                         JpGraphError::RaiseL(6004, $j);
                     }
                     if ($progress[$j][0] == $data[$i][0]) {
                         $a->progress->Set($progress[$j][1]);
                         $a->progress->SetHeight(0.5);
                         $a->progress->SetPattern($this->iSimpleProgressStyle, $this->iSimpleProgressColor);
                         $a->progress->SetFillColor($this->iSimpleProgressBkgColor);
                         break;
                     }
                 }
                 $csimpos = 6;
                 break;
             case ACTYPE_MILESTONE:
                 $a = new MileStone($data[$i][0], $data[$i][2], $data[$i][3]);
                 $a->title->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $a->caption->SetFont($this->iSimpleFont, FS_NORMAL, $this->iSimpleFontSize);
                 $csimpos = 5;
                 break;
             default:
                 die('Unknown activity type');
                 break;
         }
         $a->caption->Set($data[$i][$csimpos - 1]);
         if (!empty($data[$i][$csimpos])) {
             $a->SetCSIMTarget($data[$i][$csimpos]);
             $a->SetCSIMAlt($data[$i][$csimpos + 1]);
         }
         if (!empty($data[$i][$csimpos + 2])) {
             $a->title->SetCSIMTarget($data[$i][$csimpos + 2]);
             $a->title->SetCSIMAlt($data[$i][$csimpos + 3]);
         }
         $this->Add($a);
     }
 }

            $end = $start;
            $caption .= " (no end date)";
        } else {
            $cap = "";
        }
        if ($showLabels) {
            $caption .= $t['project_name'] . " (" . $t['perc_assignment'] . "%)";
            //                $caption .= $p['project_active'] <> 0 ? $AppUI->_('active') : $AppUI->_('inactive');
        }
        if ($t["task_milestone"] != 1) {
            $enddate = new CDate($end);
            $startdate = new CDate($start);
            $bar = new GanttBar($row++, array($name, $startdate->format($df), $enddate->format($df), " "), $start, $actual_end, $cap, 0.6);
            //     $bar->progress->Set($progress/100);
            $bar->title->SetFont(FF_FONT1, FS_NORMAL, 10);
            $bar->SetFillColor("#" . $t['project_color_identifier']);
            $bar->SetPattern(BAND_SOLID, "#" . $t['project_color_identifier']);
            //adding captions
            $bar->caption = new TextProperty($caption);
            $bar->caption->Align("left", "center");
        } else {
            $bar = new MileStone($row++, $name, $start, substr($start, 0, 10));
            $bar->title->SetColor("#CC0000");
        }
        $graph2->Add($bar);
        // If showAllGant checkbox is checked
    }
}
// End of check for valid projects array.
$today = date("y-m-d");
$vline = new GanttVLine($today, $AppUI->_('Today', UI_OUTPUT_RAW));

function grafica($fecha_max, $fecha_min, $datos)
{
    $graph = new GanttGraph();
    $graph->title->Set("");
    // Rango de fechas a presentar
    $graph->SetDateRange($fecha_min, $fecha_max);
    // linea de espaciado vertical entre los elementos
    $graph->SetVMarginFactor(2);
    // configuracion de colores
    $graph->SetMarginColor('lightgreen@0.8');
    //  color del fondo
    $graph->SetBox(true, 'yellow:0.6', 2);
    //  contorno del marco interior
    $graph->SetFrame(true, 'darkgreen', 4);
    // contorno  del marco exterior
    $graph->scale->divider->SetColor('yellow:0.6');
    // linea divisora de datos y grafico
    $graph->scale->dividerh->SetColor('red:0.6');
    //liena que divide el tiempo con las barras de la grafica
    // Ponemos la medida de tiempo que queremos usar, por ejemplo años, meses, dias, hors o minutos
    //por ejemplo, si queremos solamente la division por meses y semanas en lugar de tener
    //GANTT_HWEEK | GANTT_HMONTH | GANTT_HYEAR | GANTT_HDAY
    //dejamos
    //GANTT_HWEEK | GANTT_HMONTH
    // para mas opciones de division de tiempo ver comentarios abajo
    $graph->ShowHeaders(GANTT_HWEEK | GANTT_HMONTH | GANTT_HYEAR | GANTT_HDAY);
    $graph->scale->month->grid->SetColor('gray');
    //lineas verticales que dividen los meses
    $graph->scale->month->grid->Show(true);
    $graph->scale->year->grid->SetColor('gray');
    // linea verticales que dividen los años
    $graph->scale->year->grid->Show(true);
    $graph->scale->actinfo->SetColTitles(array('Acción', 'Duracion', 'Inicio', 'Final', 'Porcentaje'), array(30, 100));
    $graph->scale->actinfo->SetBackgroundColor('blue:0.5@0.5');
    //color de fondo de los titulos de la tabla
    $graph->scale->actinfo->SetFont(FF_ARIAL, FS_NORMAL, 12);
    //tipografia
    // division vertical de los datos a la izquierda, posibles valores 'solid', 'dotted', 'dashed'
    $graph->scale->actinfo->vgrid->SetStyle('solid');
    $graph->scale->actinfo->vgrid->SetColor('red');
    // color de las divisiones puestas en el renglon anterior
    // Configuración de los iconos que queremos usar
    //para poner algun icono no definido podemos usarlo de la siguiente manera
    //$icon = new IconImage("imagen.png",0.7);
    //en el ejemplo estoy usando una omagen desde blogspot
    //el numero que es el segundo parametro de IconImage es el porcentaje de la imagen, en este caso esta al 20%
    $erricon = new IconImage("logo-copia.png", 0.2);
    $startconicon = new IconImage(GICON_FOLDEROPEN, 0.6);
    $endconicon = new IconImage(GICON_TEXTIMPORTANT, 0.5);
    //ahora ponemos los datos de la tabla e iniciamos los datos de las barras
    //    $data = array(
    //        //valores del arreglo:
    //        //indice del arreglo, arreglo de datos para la informacion a la izquierda, fecha de inicio de la barra, fecha final de la barra, tipografia, estilo,tamaño tipografia,% de progreso en la barra
    //        array(0,array("Pre-study","17 days","1 Nov '2011","1 Mar '2012")
    //              , "2011-11-01","2012-01-1",FF_ARIAL,FS_NORMAL,8, 0.5),//el 0.5 indica el 50%, que ocuparemos en la linea 74, dando su posicion en el arreglo
    //        array(1,array("Prototype","10 days","26 Oct '2011","16 Nov '2011"),
    //              "2011-10-26","2011-11-01",FF_ARIAL,FS_NORMAL,8, 0.12),
    //        array(2,array("Report","12 days","1 Mar '2012","13 Mar '2012"),
    //              "2012-03-01","2012-03-13",FF_ARIAL,FS_NORMAL,8, 1)
    //    );
    $data = $datos;
    // Crea las barras y las añade a la grafica gantt
    for ($i = 0; $i < count($data); ++$i) {
        $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3], '', 10);
        if (count($data[$i]) > 4) {
            $bar->title->SetFont($data[$i][4], $data[$i][5], $data[$i][6]);
        }
        $bar->SetPattern(BAND_RDIAG, "yellow");
        $bar->SetFillColor("gray");
        $bar->progress->Set($data[$i][7]);
        // ocupamos el % de adelanto en la actividad
        $bar->progress->SetPattern(GANTT_SOLID, "darkgreen");
        //$bar->title->SetCSIMTarget(array('#1'.$i,'#2'.$i,'#3'.$i,'#4'.$i,'#5'.$i),array('11'.$i,'22'.$i,'33'.$i));
        $graph->Add($bar);
        //echo "<br>--> ".$data[$i][7];
    }
    // Creamos la imagen y le damos nombre, la imagen se guarda donde estan estos archivos
    $graph->Stroke('imagenprueba.jpg');
}

// match the weekend settings ...
$graph->scale->hour->SetFontColor($styles->val('image.session.header.color', 'black', true));
$graph->scale->hour->SetBackgroundColor($styles->val('image.session.header.bgcolor', 'lightyellow:1.5', true));
$graph->scale->hour->SetFont(constant($styles->val('image.session.font', 'FF_FONT0', true)));
$graph->scale->hour->SetIntervall($styles->val('image.session.interval', 2, true));
$graph->scale->hour->SetStyle(constant($styles->val('image.session.header.hourstyle', 'HOURSTYLE_H24', true)));
/**
$graph->scale->actinfo->SetBackgroundColor('lightyellow:1.5');
$graph->scale->actinfo->SetFont(FF_FONT0);
$graph->scale->actinfo->SetColTitles(array(""));
/**/
$show = (bool) $styles->val('image.session.hgrid.show', true, true);
$graph->hgrid->Show($show);
if ($show) {
    $graph->hgrid->SetRowFillColor($styles->val('image.session.hgrid.color1', 'whitesmoke@0.9', true), $styles->val('image.session.hgrid.color2', 'darkblue@0.9', true));
}
for ($i = 0; $i < count($data); ++$i) {
    $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3]);
    $bar->SetPattern(constant($styles->val('image.session.bar.pattern', 'BAND_RDIAG', true)), $styles->val('image.session.bar.patternfill', 'lightblue', true));
    $bar->SetFillColor($styles->val('image.session.bar.fill', 'BAND_SOLID', true));
    $shadow = $styles->val('image.session.bar.shadow', '', true);
    if ($shadow) {
        $bar->SetShadow(true, $shadow);
    }
    $graph->Add($bar);
}
$graph->SetVMarginFactor($styles->val('image.session.bar.vmargin', 0.4, true));
if ($styles->val('image.session.showfooter', 'image.common.footer.show')) {
    stdImgFooter($graph);
}
$graph->Stroke();

 public function graficar($filename)
 {
     $graph = new GanttGraph();
     $graph->SetShadow();
     $graph->SetBox();
     // Only show part of the Gantt
     $graph = new GanttGraph(1000);
     /*
     $graph->title->Set('Proceso '.$this->dataSource->getParameter('desc_proceso_macro')."\n".
     																			'Seguimiento de Solicitud '.$this->dataSource->getParameter('numero')."\n".
     																			'Unidad '.$this->dataSource->getParameter('desc_uo'));
     $graph->title->SetFont(FF_ARIAL,FS_BOLD,6);
     */
     define('UTF-8', $locale_char_set);
     // Setup some "very" nonstandard colors
     $graph->SetMarginColor('lightgreen@0.8');
     $graph->SetBox(true, 'yellow:0.6', 2);
     $graph->SetFrame(true, 'darkgreen', 4);
     $graph->scale->divider->SetColor('yellow:0.6');
     $graph->scale->dividerh->SetColor('yellow:0.6');
     // Explicitely set the date range
     // (Autoscaling will of course also work)
     // Display month and year scale with the gridlines
     $graph->ShowHeaders(GANTT_HMONTH | GANTT_HYEAR | GANTT_HDAY);
     $graph->scale->month->grid->SetColor('gray');
     $graph->scale->month->grid->Show(true);
     $graph->scale->year->grid->SetColor('gray');
     $graph->scale->year->grid->Show(true);
     // Setup a horizontal grid
     $graph->hgrid->Show();
     $graph->hgrid->SetRowFillColor('darkblue@0.9');
     // Setup activity info
     // For the titles we also add a minimum width of 100 pixels for the Task name column
     $graph->scale->actinfo->SetColTitles(array('Tipo', 'Estado', 'Responsable', 'Duracion', 'Inicio', 'Fin'), array(40, 100));
     $graph->scale->actinfo->SetBackgroundColor('green:0.5@0.5');
     $graph->scale->actinfo->SetFont(FF_ARIAL, FS_NORMAL, 10);
     $data = array();
     $dataset = $this->dataSource->getDataset();
     $tamanioDataset = count($dataset);
     $fechaInicio = 0;
     $fechaFin = 0;
     for ($i = 0; $i < $tamanioDataset; $i++) {
         if ($i == 0) {
             $fechaInicio = $dataset[$i]['fecha_reg'];
         }
         /*
         if($dataset[$i]['nombre_estado']=='En_Proceso'||$dataset[$i]['nombre_estado']=='Habilitado para pagar'||$dataset[$i]['nombre_estado']=='En Pago'){
         		$milestone = new MileStone($i,$dataset[$i]['nombre_estado'],$dataset[$i]['fecha_reg'],$dataset[$i]['fecha_reg']);
         		$milestone->title->SetColor("black");
         		$milestone->title->SetFont(FF_FONT1,FS_BOLD);
         		$graph->Add($milestone);
         		continue;
         }
         */
         $actividad = array();
         array_push($actividad, $i);
         if ($i == $tamanioDataset - 1) {
             $fechaFin = $dataset[$i]['fecha_reg'];
         } else {
             $fechaFin = $dataset[$i + 1]['fecha_reg'];
         }
         $startLiteral = new DateTime($dataset[$i]['fecha_reg']);
         $endLiteral = new DateTime($fechaFin);
         $start = strtotime($dataset[$i]['fecha_reg']);
         $end = strtotime($fechaFin);
         $days_between = round(($end - $start) / 86400);
         $cabecera = array($dataset[$i]['proceso'], $dataset[$i]['estado'], $dataset[$i]['funcionario'] != '-' ? $dataset[$i]['func'] : $dataset[$i]['depto'], "{$days_between}" . ' dias', $startLiteral->format('d M Y'), $endLiteral->format('d M Y'));
         array_push($actividad, $cabecera);
         array_push($actividad, $dataset[$i]['fecha_reg']);
         array_push($actividad, $fechaFin);
         array_push($actividad, FF_ARIAL);
         array_push($actividad, FS_NORMAL);
         array_push($actividad, 8);
         array_push($data, $actividad);
     }
     // Create the bars and add them to the gantt chart
     for ($i = 0; $i < count($data); $i++) {
         $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3], "[100%]", 10);
         if (count($data[$i]) > 4) {
             $bar->title->SetFont($data[$i][4], $data[$i][5], $data[$i][6]);
         }
         $bar->SetPattern(BAND_RDIAG, "yellow");
         $bar->SetFillColor("gray");
         $bar->progress->Set(1);
         $bar->progress->SetPattern(GANTT_SOLID, "darkgreen");
         $graph->Add($bar);
     }
     //$graph->SetDateRange($fechaInicio,$fechaFin);
     $archivo = dirname(__FILE__) . '/../../../reportes_generados/' . $filename;
     //$graph->StrokeCSIM();
     //exit;
     $graph->Stroke($archivo);
 }

 /**
  * @param $task Task
  * @param $start_date string
  * @param $end_date string
  * @param $position int
  * @return GanttBar
  *
  * Creates a normal GanttBar for a task, and adds an overlay showing the current progress
  * @todo make colours themeable
  */
 private function makeNormalbar(Task $task, $start_date, $end_date, $position)
 {
     $bar = new GanttBar($position, $task->name, $start_date, $end_date, $task->getField('duration')->formatted, 15);
     $bar->setPattern(BAND_SOLID, '#0077BD');
     $bar->SetFillColor('#0077BD');
     $bar->progress->Set($task->progress / 100);
     $bar->progress->SetPattern(BAND_RDIAG, '#0077BD', 70);
     $bar->progress->SetFillColor('#ffffff');
     $bar->setShadow();
     return $bar;
 }

$graph->scale->week->SetStyle(WEEKSTYLE_FIRSTDAY);
// Change the scale font
$graph->scale->week->SetFont(FF_FONT0);
$graph->scale->year->SetFont(FF_ARIAL, FS_BOLD, 12);
// Setup some data for the gantt bars
$data = array(array(0, "Group 1", "2001-10-29", "2001-11-27", FF_FONT1, FS_BOLD, 8), array(1, "  Label 2", "2001-11-8", "2001-12-14"), array(2, "  Label 3", "2001-11-01", "2001-11-8"), array(4, "Group 2", "2001-11-07", "2001-12-19", FF_FONT1, FS_BOLD, 8), array(5, "  Label 4", "2001-11-8", "2001-12-19"), array(6, "  Label 5", "2001-11-01", "2001-11-8"));
for ($i = 0; $i < count($data); ++$i) {
    $bar = new GanttBar($data[$i][0], $data[$i][1], $data[$i][2], $data[$i][3], "[50%]", 0.5);
    if (count($data[$i]) > 4) {
        $bar->title->SetFont($data[$i][4], $data[$i][5], $data[$i][6]);
    }
    // If you like each bar can have a shadow
    // $bar->SetShadow(true,"darkgray");
    // For illustration lets make each bar be red with yellow diagonal stripes
    $bar->SetPattern(BAND_RDIAG, "yellow");
    $bar->SetFillColor("red");
    // To indicate progress each bar can have a smaller bar within
    // For illustrative purpose just set the progress to 50% for each bar
    $bar->progress->Set(0.5);
    // Each bar may also have optional left and right plot marks
    // As illustration lets put a filled circle with a number at the end
    // of each bar
    $bar->rightMark->SetType(MARK_FILLEDCIRCLE);
    $bar->rightMark->SetFillColor("red");
    $bar->rightMark->SetColor("red");
    $bar->rightMark->SetWidth(10);
    // Title for the mark
    $bar->rightMark->title->Set("" . $i + 1);
    $bar->rightMark->title->SetColor("white");
    $bar->rightMark->title->SetFont(FF_ARIAL, FS_BOLD, 10);
    $bar->rightMark->Show();