// Standard inclusions
include "pChart/pData.class";
include "pChart/pChart.class";
// Dataset definition
$DataSet = new pData();
$DataSet->AddPoint(array(1, 4, 3, 2, 3, 3, 2, 1, 0, 7, 4, 3, 2, 3, 3, 5, 1, 0, 7), "Serie1");
$DataSet->AddPoint(array(1, 4, 2, 6, 2, 3, 0, 1, 5, 1, 2, 4, 5, 2, 1, 0, 6, 4, 2), "Serie2");
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie();
$DataSet->SetSerieName("January", "Serie1");
$DataSet->SetSerieName("February", "Serie2");
// Initialise the graph
$Test = new pChart(700, 230);
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->setGraphArea(50, 30, 585, 200);
$Test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
$Test->drawGraphArea(255, 255, 255, TRUE);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2);
$Test->drawGrid(4, TRUE, 230, 230, 230, 50);
// Draw the 0 line
$Test->setFontProperties("Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
// Draw the cubic curve graph
$Test->drawFilledCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription(), 0.1, 50);
// Finish the graph
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->drawLegend(600, 30, $DataSet->GetDataDescription(), 255, 255, 255);
$Test->setFontProperties("Fonts/tahoma.ttf", 10);
$Test->drawTitle(50, 22, "Example 7", 50, 50, 50, 585);
$Test->Render("example7.png");
/**
* This method return a content html, it's used inside get_block method for showing it inside dashboard interface
* @return string content html
*/
public function get_teachers_information_graph()
{
$teachers = $this->teachers;
$graph = '';
$user_ids = array_keys($teachers);
$a_last_week = get_last_week();
if (is_array($user_ids) && count($user_ids) > 0) {
$data_set = new pData();
foreach ($user_ids as $user_id) {
$teacher_info = api_get_user_info($user_id);
$username = $teacher_info['username'];
$time_by_days = array();
foreach ($a_last_week as $day) {
// day is received as y-m-d 12:00:00
$start_date = api_get_utc_datetime($day);
$end_date = api_get_utc_datetime($day + (3600 * 24 - 1));
$time_on_platform_by_day = Tracking::get_time_spent_on_the_platform($user_id, 'custom', $start_date, $end_date);
$hours = floor($time_on_platform_by_day / 3600);
$min = floor(($time_on_platform_by_day - $hours * 3600) / 60);
$time_by_days[] = $min;
}
$data_set->AddPoint($time_by_days, $username);
$data_set->AddSerie($username);
}
$last_week = date('Y-m-d', $a_last_week[0]) . ' ' . get_lang('To') . ' ' . date('Y-m-d', $a_last_week[6]);
$days_on_week = array();
foreach ($a_last_week as $weekday) {
$days_on_week[] = date('d/m', $weekday);
}
$data_set->AddPoint($days_on_week, "Days");
$data_set->SetXAxisName($last_week);
$data_set->SetYAxisName(get_lang('Minutes'));
$data_set->SetAbsciseLabelSerie("Days");
$graph_id = $this->user_id . 'TeacherConnectionsGraph';
$cache = new pCache();
// the graph id
$data = $data_set->GetData();
if ($cache->IsInCache($graph_id, $data_set->GetData())) {
//if we already created the img
$img_file = $cache->GetHash($graph_id, $data_set->GetData());
} else {
// Initializing the graph
$bg_width = 440;
$bg_height = 350;
$test = new pChart($bg_width + 10, $bg_height + 20);
$test->setFontProperties(api_get_path(LIBRARY_PATH) . 'pchart/fonts/tahoma.ttf', 8);
$test->setGraphArea(65, 30, $bg_width - 70, $bg_height - 50);
$test->drawFilledRoundedRectangle(7, 7, $bg_width, $bg_height, 5, 240, 240, 240);
$test->drawRoundedRectangle(5, 5, $bg_width + 2, $bg_height + 2, 5, 230, 230, 230);
$test->drawGraphArea(255, 255, 255, TRUE);
$test->drawScale($data_set->GetData(), $data_set->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2, TRUE);
$test->drawGrid(4, TRUE, 230, 230, 230, 50);
// Drawing lines
//$test->drawLineGraph($data_set->GetData(),$data_set->GetDataDescription());
$test->drawFilledCubicCurve($data_set->GetData(), $data_set->GetDataDescription(), 0.1, 30);
//$test->drawPlotGraph($data_set->GetData(),$data_set->GetDataDescription(),3,2,255,255,255);
// Drawing Legend
$test->setFontProperties(api_get_path(LIBRARY_PATH) . 'pchart/fonts/tahoma.ttf', 8);
$test->drawLegend($bg_width - 80, 20, $data_set->GetDataDescription(), 204, 204, 255);
$test->writeValues($data_set->GetData(), $data_set->GetDataDescription(), array("Days"));
$cache->WriteToCache($graph_id, $data_set->GetData(), $test);
ob_start();
$test->Stroke();
ob_end_clean();
$img_file = $cache->GetHash($graph_id, $data_set->GetData());
}
if (!empty($img_file)) {
$graph = '<img src="' . api_get_path(WEB_ARCHIVE_PATH) . $img_file . '">';
}
} else {
$graph = '<p>' . api_convert_encoding(get_lang('GraphicNotAvailable'), 'UTF-8') . '</p>';
}
return $graph;
}
public function testDrawFilledCubicCurve()
{
// Dataset definition
$DataSet = new pData();
$DataSet->addPoints(array(1, 4, 3, 2, 3, 3, 2, 1, 0, 7, 4, 3, 2, 3, 3, 5, 1, 0, 7), "Serie1");
$DataSet->addPoints(array(1, 4, 2, 6, 2, 3, 0, 1, 5, 1, 2, 4, 5, 2, 1, 0, 6, 4, 2), "Serie2");
$DataSet->AddAllSeries();
$DataSet->SetAbscissaLabelSeries();
$DataSet->SetSeriesName("January", "Serie1");
$DataSet->SetSeriesName("February", "Serie2");
// Initialise the graph
$canvas = new TestCanvas();
$Test = new pChart(700, 230, $canvas);
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->setGraphArea(50, 30, 585, 200);
$backgroundStyle = new BackgroundStyle(new Color(255), TRUE);
$Test->drawGraphBackground($backgroundStyle);
$Test->drawScale($DataSet, ScaleStyle::DefaultStyle(), 0, 2);
$Test->drawGrid(new GridStyle(4, TRUE, new Color(230), 50));
// Draw the 0 line
$Test->setFontProperties("Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, new Color(143, 55, 72), TRUE, TRUE);
// Draw the cubic curve graph
$Test->drawFilledCubicCurve($DataSet, 0.1, 50);
// Finish the graph
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->drawLegend(600, 30, $DataSet->GetDataDescription(), new Color(255));
$Test->setFontProperties("Fonts/tahoma.ttf", 10);
$Test->drawTitle(50, 22, "Example 7", new Color(50), 585);
$this->assertEquals('25415e5d96f42f64893657ab2389ea30', md5($canvas->getActionLog()));
}
private function createClosuresGraph($queries)
{
$qb = new QueryBrowser();
$imagehashes = array();
foreach ($queries as $q) {
$DataSet = new pData();
$qResult = $qb->executeQueryToArray($q['query']);
if (sizeof($qResult) > 0) {
foreach ($qResult as $row) {
$DataSet->AddPoint($row['y'], $q['series'], $row['x']);
}
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie();
$chartname = $this->createPathFromHash(md5(serialize($DataSet)));
$imagehashes[] = array($chartname, $q['series']);
if (!file_exists($chartname)) {
$Test = new pChart(700, 280);
$Test->setFontProperties("graph/Fonts/tahoma.ttf", 8);
$Test->setGraphArea(50, 30, 680, 200);
$Test->drawFilledRoundedRectangle(7, 7, 693, 273, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 695, 275, 5, 230, 230, 230);
$Test->drawGraphArea(255, 255, 255, true);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, true, 45, 2);
$Test->drawGrid(4, true, 230, 230, 230, 50);
// Draw the 0 line
$Test->setFontProperties("graph/Fonts/tahoma.ttf", 6);
$Test->drawTreshold(0, 143, 55, 72, true, true);
// Draw the cubic curve graph
$Test->drawFilledCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription(), 0.1, 50);
// Finish the graph
$Test->setFontProperties("graph/Fonts/tahoma.ttf", 10);
$Test->drawTitle(50, 22, $q['series'], 50, 50, 50, 585);
$Test->Render("render/" . $chartname);
}
}
}
return $imagehashes;
}
$DataSet->AddPoint($skill_change, 'SerieSession');
$DataSet->AddPoint($date, 'SerieDate');
$DataSet->AddSerie('SerieSkill');
$DataSet->SetAbsciseLabelSerie('SerieDate');
$DataSet->SetSerieName('Skill', 'SerieSkill');
$DataSet->SetSerieName('Session', 'SerieSession');
$Chart->setFontProperties(IMAGE_PATH . '/sig/font/DejaVuSans.ttf', 7);
$DataSet->SetYAxisName('Skill');
$DataSet->SetYAxisUnit('K');
$Chart->setColorPalette(0, 255, 255, 0);
$Chart->drawRightScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, $color['red'], $color['green'], $color['blue'], TRUE, 0, 0);
$Chart->drawGrid(1, FALSE, 55, 55, 55, 100);
$Chart->setShadowProperties(3, 3, 0, 0, 0, 30, 4);
$Chart->drawCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription());
$Chart->clearShadow();
$Chart->drawFilledCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription(), 0.1, 30);
$Chart->drawPlotGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 1, 1, 255, 255, 255);
$Chart->clearScale();
$DataSet->RemoveSerie('SerieSkill');
$DataSet->AddSerie('SerieSession');
$DataSet->SetYAxisName('Session');
$DataSet->SetYAxisUnit('');
$Chart->setColorPalette(1, 255, 0, 0);
$Chart->setColorPalette(2, 0, 0, 255);
$Chart->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_NORMAL, $color['red'], $color['green'], $color['blue'], TRUE, 0, 0);
$Chart->setShadowProperties(3, 3, 0, 0, 0, 30, 4);
$Chart->drawCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription());
$Chart->clearShadow();
$Chart->drawPlotGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 1, 1, 255, 255, 255);
$Chart->setFontProperties(IMAGE_PATH . '/sig/font/DejaVuSans.ttf', 7);
$Chart->drawHorizontalLegend(235, -1, $DataSet->GetDataDescription(), 0, 0, 0, 0, 0, 0, $color['red'], $color['green'], $color['blue'], FALSE);
/**
* Draw line style chart
* @return unknown
*/
protected function drawLine()
{
// prepare font & series
$this->_prepareSerie();
$this->_prepareFont();
// init chart params
$outer_w = $this->w - 5;
// Outer frame witdh
$outer_h = $this->h - 5;
// Outer frame heigth
$inner_w = $this->w - 7;
// Inner frame witdh
$inner_h = $this->h - 7;
// Inner frame heigth
$chart_w = $this->w - 150;
// Chart frame witdh
$chart_h = $this->h - 40;
// Chart frame heigth
$title_w = $this->w - 200;
// Title width
$title_h = 45;
// Title height
$legend_w = $chart_w + 30;
// Legend width
$legend_h = 40;
// Legend height
// chart styles
$grid = isset($this->p['grid']) ? $this->p['grid'] : false;
$plot = isset($this->p['plot']) ? $this->p['plot'] : false;
$curve = isset($this->p['curve']) ? $this->p['curve'] : false;
$filled = isset($this->p['filled']) ? $this->p['filled'] : false;
// fill chart
$this->chart->drawBackground(255, 255, 255);
$this->chart->setFontProperties($this->font, 7);
// set font and size
$this->chart->drawRoundedRectangle(5, 5, $outer_w, $outer_h, 10, 230, 230, 230);
// drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
$this->chart->drawFilledRoundedRectangle(7, 7, $inner_w, $inner_h, 10, 240, 240, 240);
// drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
$this->chart->setGraphArea(70, 40, $chart_w, $chart_h);
// setGraphArea($X1,$Y1,$X2,$Y2)
$this->chart->drawGraphArea(255, 255, 255, TRUE);
// drawGraphArea($R,$G,$B)
$this->chart->drawScale($this->data->GetData(), $this->data->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 0, 2, $this->margin, $this->skip);
// drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE)
$this->data->RemoveSerie('DEFAULT_SCALE');
// clear scale serie for setScale method
// draw grid
if ($grid) {
$this->chart->drawGrid(3, TRUE, 230, 230, 230, 50);
// drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=255)
}
// draw the 0 line
//$this->chart->setFontProperties($this->font,6);
//$this->chart->drawTreshold(0,143,55,72,TRUE,TRUE);
// draw the cubic curve graph
if ($curve) {
$this->chart->drawCubicCurve($this->data->GetData(), $this->data->GetDataDescription());
if ($filled) {
$this->chart->drawFilledCubicCurve($this->data->GetData(), $this->data->GetDataDescription(), 0.1, 50);
// filled cubic curve graph
}
// draw the line graph
} else {
$this->chart->drawLineGraph($this->data->GetData(), $this->data->GetDataDescription());
if ($filled) {
$this->chart->drawFilledLineGraph($this->data->GetData(), $this->data->GetDataDescription(), 50);
}
}
// plot style point
if ($plot) {
$this->chart->drawPlotGraph($this->data->GetData(), $this->data->GetDataDescription(), 3, 2, 255, 255, 255, true);
// drawPlotGraph(&$Data,&$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=FALSE)
}
// add Title
$this->chart->setFontProperties($this->font, 10);
$this->chart->drawTitle(40, 0, $this->title, 50, 50, 50, $title_w, $title_h);
// drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
// add Legend
$this->chart->setFontProperties($this->font, 8);
$this->chart->drawLegend($legend_w, $legend_h, $this->data->GetDataDescription(), 255, 255, 255);
// drawLegend($description,$R,$G,$B)
}
//Dataset
$DataSet->AddPoints(array(1, 4, 3, 4, 3, 3, 2, 1, 0, 7, 4, 3, 2, 3, 3, 5, 1, 0, 7), "Serie1");
$DataSet->AddPoints(array(1, 4, 2, 6, 2, 3, 0, 1, 5, 1, 2, 4, 5, 2, 1, 0, 6, 4, 2), "Serie2");
$DataSet->AddAllSeries();
$DataSet->SetAbscissaLabelSeries();
$DataSet->SetSeriesName("January", "Serie1");
$DataSet->SetSeriesName("February", "Serie2");
// Initialise the graph
$Chart->setFontProperties("../Fonts/tahoma.ttf", 8);
$Chart->setGraphArea(50, 30, 585, 200);
// Canvas
//$Canvas->setAntialiasQuality(0);
$Canvas->drawFilledRoundedRectangle(new Point(7, 7), new Point(693, 223), 5, new Color(240), 1, 0, ShadowProperties::NoShadow());
$Canvas->drawRoundedRectangle(new Point(5, 5), new Point(695, 225), 5, new Color(230), 1, 0, ShadowProperties::NoShadow());
$Chart->drawGraphBackground(new BackgroundStyle(new Color(255)), TRUE);
$Chart->drawScale($DataSet, ScaleStyle::DefaultStyle(), TRUE, 0, 2);
$Chart->drawGrid(new GridStyle(4, TRUE, new Color(230), 50));
// Draw the 0 line
$Chart->setFontProperties("../Fonts/tahoma.ttf", 6);
$Chart->drawTreshold(0, new Color(143, 55, 72), TRUE, TRUE);
// Draw the cubic curve graph
$Chart->drawFilledCubicCurve($DataSet, 0.1, 50);
//$Chart->drawCubicCurve($DataSet, .1, 50);
// Finish the graph
$Chart->setFontProperties("../Fonts/tahoma.ttf", 8);
$Chart->drawLegend(600, 30, $DataSet->GetDataDescription(), new Color(255));
$Chart->setFontProperties("../Fonts/tahoma.ttf", 10);
$Chart->drawTitle(50, 22, "Example 2", new Color(50), 585);
$Chart->Render("Example2.png");
header("Content-Type:image/png");
readfile("Example2.png");
function cartesianChart($type, $x, $y, $w, $h, $imgname = '', $config = array())
{
$w -= 4;
$h -= 4;
$settings = array('FontName' => 'tahoma.ttf', 'FontSize' => 8, 'LegendFontSize' => 8, 'LegendFontName' => 'tahoma.ttf', 'Logo' => '', 'LogoTransparency' => 20, 'XAxisFormat' => 'number', 'XAxisUnit' => '', 'YAxisFormat' => 'number', 'YAxisUnit' => '', 'XLogo' => 0, 'YLogo' => 0, 'Xlabel' => 'x label', 'XAngle' => 0, 'Ylabel' => 'y label', 'Legend' => '', 'Textbox' => '', 'TextboxFontSize' => 8, 'TextboxFontName' => 'tahoma.ttf', 'ImgR' => 132, 'ImgG' => 173, 'ImgB' => 131, 'Decay' => 80, 'BGR' => 163, 'BGG' => 203, 'BGB' => 167, 'Decay2' => 80, 'Filled' => '', 'DataR' => 191, 'DataG' => 120, 'DataB' => 71, 'LBR' => 226, 'LBG' => 228, 'LBB' => 230, 'LR' => 0, 'LG' => 0, 'LB' => 0);
// Get the custom settings
if (is_array($config)) {
foreach ($config as $key => $val) {
$settings[$key] = $val;
}
}
$DataSet = new pData();
$DataSet->AddPoint($y, "Serie1");
$DataSet->AddPoint($x, "Serie2");
$DataSet->AddAllSeries();
$DataSet->RemoveSerie("Serie2");
$DataSet->SetAbsciseLabelSerie("Serie2");
$DataSet->SetSerieName($settings['Legend'], "Serie1");
$DataSet->SetYAxisName($settings['Ylabel']);
$DataSet->SetXAxisName($settings['Xlabel']);
$DataSet->SetXAxisFormat($settings['XAxisFormat']);
if (strlen($settings['XAxisUnit'])) {
$DataSet->SetXAxisUnit($settings['XAxisUnit']);
}
if (strlen($settings['YAxisUnit'])) {
$DataSet->SetYAxisUnit($settings['YAxisUnit']);
}
$DataSet->SetYAxisFormat($settings['YAxisFormat']);
// Initialise the graph
$Test = new pChart($w, $h);
$Test->drawGraphAreaGradient($settings['ImgR'], $settings['ImgG'], $settings['ImgB'], $settings['Decay'], TARGET_BACKGROUND);
$FontSize = $settings['FontSize'];
$FontName = $this->_ext_path . "/fonts/" . $settings['FontName'];
$Test->setFontProperties($FontName, $FontSize);
//Calc Textbox Height
if (strlen($settings['Textbox'])) {
$TextboxFontSize = $settings['TextboxFontSize'];
$TextboxFontName = $this->_ext_path . "/fonts/" . $settings['TextboxFontName'];
$Position = imageftbbox($TextboxFontSize, 0, $TextboxFontName, $settings['Textbox']);
$TextboxHeight = $Position[1] - $Position[7] + 8;
} else {
$TextboxHeight = 0;
}
// Maximize The graph area
//on Y axis
if ($settings['XAxisFormat'] == 'time') {
$xdata = "99:99:99";
$Position = imageftbbox($FontSize, 0, $FontName, $xdata);
$WXmax = $Position[2] - $Position[0];
$TextHeightX = $Position[1] - $Position[7];
} elseif ($settings['XAxisFormat'] == 'date') {
$xdata = "99/99/9999";
$Position = imageftbbox($FontSize, 0, $FontName, $xdata);
$WXmax = $Position[2] - $Position[0];
$TextHeightX = $Position[1] - $Position[7];
} else {
$WXmax = 0;
foreach ($x as $xdata) {
$xdata .= $settings['XAxisUnit'];
$Position = imageftbbox($FontSize, 0, $FontName, $xdata);
$TextWidth = $Position[2] - $Position[0];
$TextHeightX = $Position[1] - $Position[7];
$WXmax = $TextWidth > $WXmax ? $TextWidth : $WXmax;
}
}
if ($settings['XAngle'] > 0) {
$sin = abs(sin(deg2rad($settings['XAngle'])));
$cos = abs(cos(deg2rad($settings['XAngle'])));
$HXmax = $WXmax * $sin + $TextHeightX * $cos;
} else {
$HXmax = $TextHeightX;
}
//on Y axis...
if ($settings['YAxisFormat'] == 'time') {
$ydata = "99:99:99";
$Position = imageftbbox($FontSize, 0, $FontName, $ydata);
$WYmax = $Position[2] - $Position[0];
$TextHeightY = $Position[1] - $Position[7];
} elseif ($settings['YAxisFormat'] == 'date') {
$ydata = "99/99/9999";
$Position = imageftbbox($FontSize, 0, $FontName, $ydata);
$WYmax = $Position[2] - $Position[0];
$TextHeightY = $Position[1] - $Position[7];
} else {
$WYmax = 0;
foreach ($y as $ydata) {
$ydata .= $settings['YAxisUnit'];
//echo $ydata."<br>";
$Position = imageftbbox($FontSize, 0, $FontName, $ydata);
$TextWidth = $Position[2] - $Position[0];
$TextHeightY = $Position[1] - $Position[7];
$WYmax = $TextWidth > $WYmax ? $TextWidth : $WYmax;
}
}
$Test->setGraphArea($WYmax + $TextHeightY + 35, 20, $w - 25, $h - $HXmax - $TextHeightX - $TextboxHeight - 20);
//$Test->setGraphArea(60,20,$w-25,($settings['XAngle']==0)?$h-70:$h-100);
$Test->drawScale($DataSet->GetData(), $DataSet->GetDataDescription(), SCALE_ADDALL, 213, 217, 221, TRUE, $settings['XAngle'], 0, TRUE);
$Test->drawGraphAreaGradient($settings['BGR'], $settings['BGG'], $settings['BGB'], $settings['Decay2']);
$Test->drawGrid(4, TRUE, 230, 230, 230, 20);
// This will put the picture "logo.png" with transparency
if (strlen($settings['Logo'])) {
$XLogo = $WYmax + $TextHeightY + 35 + $settings['XLogo'];
$YLogo = 20 + $settings['XLogo'];
$logo = $settings['Logo'];
//Fing extension of logo : png,gif or jpg
if ($this->_findexts($logo) == "png") {
echo "png!";
$Test->drawFromPNG($logo, $XLogo, $YLogo, $settings['LogoTransparency']);
} elseif ($this->_findexts($logo) == "gif") {
echo "gif!";
$Test->drawFromGIF($logo, $XLogo, $YLogo, $settings['LogoTransparency']);
} elseif ($this->_findexts($logo) == "jpg") {
echo "jpg";
$Test->drawFromJPG($logo, $XLogo, $YLogo, $settings['LogoTransparency']);
}
}
$Test->setColorPalette(0, $settings['DataR'], $settings['DataG'], $settings['DataB']);
if ($type == "bar") {
// Draw the bar chart
$Test->drawStackedBarGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 70);
} elseif ($type == "line") {
$Test->drawLineGraph($DataSet->GetData(), $DataSet->GetDataDescription());
$Test->drawPlotGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 3, 0, -1, -1, -1, TRUE);
} elseif ($type == "cubic") {
$Test->setShadowProperties(3, 3, 0, 0, 0, 30, 4);
$Test->drawCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription());
$Test->clearShadow();
if ($settings['Filled'] == 'yes') {
$Test->drawFilledCubicCurve($DataSet->GetData(), $DataSet->GetDataDescription(), 0.1, 30);
}
$Test->drawPlotGraph($DataSet->GetData(), $DataSet->GetDataDescription(), 3, 0, -1, -1, -1, TRUE);
}
// Draw the textbox
if (strlen($settings['Textbox'])) {
$Test->setFontProperties($TextboxFontName, $TextboxFontSize);
$Test->drawTextBox(0, $h - $TextboxHeight, $w, $h, $settings['Textbox'], 0, 255, 255, 255, ALIGN_CENTER, TRUE, 0, 0, 0, 30);
}
// Draw the legend
if (strlen($settings['Legend'])) {
$LegendFontSize = $settings['LegendFontSize'];
$LegendFontName = $this->_ext_path . "/fonts/" . $settings['LegendFontName'];
$Position = imageftbbox($LegendFontSize, 0, $LegendFontName, $settings['Legend']);
$LegendW = $Position[2] - $Position[0] + 40;
$Test->setFontProperties($LegendFontName, $LegendFontSize);
$Test->drawLegend($w - $LegendW, 10, $DataSet->GetDataDescription(), $settings['LBR'], $settings['LBG'], $settings['LBB'], 52, 58, 82, $settings['LR'], $settings['LG'], $settings['LB'], TRUE);
}
// Render the picture
$Test->addBorder(2);
if (strlen($imgname)) {
//custom image name
$imgname = $this->_img_path . "/" . $imgname;
} else {
$this->obj->load->helper('string');
$imgname = $this->_img_path . "/{$type}-" . random_string('alnum', 16) . ".png";
}
$Test->Render($imgname);
return array("name" => '/' . $imgname, "w" => $w + 4, "h" => $h + 4);
}
