function graph_group($p_metrics, $p_title = '', $p_graph_width = 350, $p_graph_height = 400, $p_baseline = 100)
{
# $p_metrics is an array of three arrays
# $p_metrics['open'] = array( 'enum' => value, ...)
# $p_metrics['resolved']
# $p_metrics['closed']
$t_graph_font = graph_get_font();
# count up array portions that are set
$t_count = 0;
foreach (array('open', 'resolved', 'closed') as $t_label) {
if (isset($p_metrics[$t_label]) && is_array($p_metrics[$t_label])) {
$t_count += array_sum($p_metrics[$t_label]);
}
}
error_check($t_count, $p_title);
# calculate totals
$total = graph_total_metrics($p_metrics);
if (plugin_config_get('eczlibrary') == ON) {
$graph = new ezcGraphBarChart();
$graph->title = $p_title;
$graph->background->color = '#FFFFFF';
$graph->options->font = $t_graph_font;
$graph->options->font->maxFontSize = 12;
$graph->legend = false;
foreach (array('open', 'resolved', 'closed') as $t_label) {
$graph->data[$t_label] = new ezcGraphArrayDataSet($p_metrics[$t_label]);
}
$graph->data['total'] = new ezcGraphArrayDataSet($total);
//$graph->data['total']->displayType = ezcGraph::LINE;
//$graph->data['total']->barMargin = -20;
$graph->options->fillLines = 210;
$graph->xAxis->axisLabelRenderer = new ezcGraphAxisRotatedLabelRenderer();
$graph->xAxis->axisLabelRenderer->angle = 45;
$graph->driver = new ezcGraphGdDriver();
//$graph->driver->options->supersampling = 1;
$graph->driver->options->jpegQuality = 100;
$graph->driver->options->imageFormat = IMG_JPEG;
$graph->renderer->options->syncAxisFonts = false;
$graph->renderToOutput($p_graph_width, $p_graph_height);
} else {
# defines margin according to height
$graph = new Graph($p_graph_width, $p_graph_height);
$graph->img->SetMargin(45, 35, 35, $p_baseline);
if (ON == plugin_config_get('jpgraph_antialias')) {
$graph->img->SetAntiAliasing();
}
$graph->SetScale('textlin');
$graph->SetMarginColor('white');
$graph->SetFrame(false);
$graph->title->SetFont($t_graph_font, FS_BOLD);
$graph->title->Set($p_title);
$graph->xaxis->SetTickLabels(array_keys($p_metrics['open']));
if (FF_FONT2 <= $t_graph_font) {
$graph->xaxis->SetLabelAngle(60);
} else {
$graph->xaxis->SetLabelAngle(90);
# can't rotate non truetype fonts
}
$graph->xaxis->SetFont($t_graph_font);
$graph->legend->Pos(0.05, 0.08);
$graph->legend->SetFont($t_graph_font);
$graph->yaxis->scale->ticks->SetDirection(-1);
$graph->yaxis->SetFont($t_graph_font);
$graph->yscale->SetGrace(10);
# adds on the same graph
$tot = new BarPlot(array_values($total));
$tot->SetFillColor('lightblue');
$tot->SetWidth(0.7);
$tot->SetLegend(plugin_lang_get('legend_total'));
$graph->Add($tot);
$p1 = new BarPlot(array_values($p_metrics['open']));
$p1->SetFillColor('yellow');
$p1->SetWidth(1);
$p1->SetLegend(plugin_lang_get('legend_opened'));
$p2 = new BarPlot(array_values($p_metrics['closed']));
$p2->SetFillColor('blue');
$p2->SetWidth(1);
$p2->SetLegend(plugin_lang_get('legend_closed'));
$p3 = new BarPlot(array_values($p_metrics['resolved']));
$p3->SetFillColor('red');
$p3->SetWidth(1);
$p3->SetLegend(plugin_lang_get('legend_resolved'));
$gbplot = new GroupBarPlot(array($p1, $p3, $p2));
$graph->Add($gbplot);
if (helper_show_query_count()) {
$graph->subtitle->Set(db_count_queries() . ' queries (' . db_time_queries() . 'sec)');
$graph->subtitle->SetFont($t_graph_font, FS_NORMAL, 8);
}
$graph->Stroke();
}
}
function draw_stacked_chart($WIDTH, $HEIGHT, $DATA, $CONFIG, $LEGEND, $FONT, $PALETTE = 'default')
{
$palettename = return_palette_name($PALETTE);
require dirname(__FILE__) . '/lib/ezc/Graph/mahara/palettes/' . $palettename . '.php';
$graph = new ezcGraphBarChart();
$paletteclass = generate_palette_class_name($palettename);
$graph->palette = new $paletteclass();
$graph->title = $CONFIG['title'];
$graph->subtitle = 'Created: ' . $CONFIG['ctime'] . ', modified: ' . $CONFIG['mtime'];
$graph->subtitle->position = ezcGraph::BOTTOM;
$graph->legend = true;
$graph->legend->position = ezcGraph::BOTTOM;
$graph->legend->symbolSize = $FONT['size'];
$graph->background->padding = 10;
$graph->driver = new ezcGraphGdDriver();
$graph->driver->options->imageFormat = IMG_PNG;
switch ($FONT['type']) {
case 'serif':
$fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSerif-Regular.ttf';
break;
case 'sans':
$fontname = 'lib/ezc/Graph/mahara/fonts/LiberationSans-Regular.ttf';
break;
}
$graph->options->font = $fontname;
// Stack bars
$graph->options->stackBars = true;
$graph->options->fillLines = 128;
// Alpha (0 <= Alpha <= 255)
// Set the maximum font size for all chart elements
$graph->options->font->maxFontSize = $FONT['size'];
// Set the font size for the title independently to 14
$graph->title->font->maxFontSize = $FONT['titlesize'];
$graph->yAxis->min = 0;
$graph->yAxis->max = 100;
$graph->yAxis->majorStep = 50;
$graph->yAxis->minorStep = 10;
if ($CONFIG['type'] == 'percent') {
$graph->yAxis->formatString = '%d%%';
}
if (isset($DATA['marker']) && !empty($DATA['marker'])) {
$graph->additionalAxis['border'] = $marker = new ezcGraphChartElementNumericAxis();
$marker->position = ezcGraph::LEFT;
//$marker->border = $graph->palette->majorGridColor;
$marker->chartPosition = $DATA['marker'];
$marker->label = $DATA['percent'] . '% ';
}
//$EZCDATA = array();
foreach ($DATA['data'] as $key => $value) {
$graph->data[$key] = new ezcGraphArrayDataSet($value);
}
//$CONFIG['charttype'] = 'bar3d';
if (strtolower($CONFIG['chartspace']) == '3d') {
$graph->renderer = new ezcGraphRenderer3d();
}
//$graph->renderer->options->barMargin = .2;
$graph->renderer->options->barPadding = 0.2;
/* Build the PNG file and send it to the web browser */
$graph->renderToOutput($WIDTH, $HEIGHT);
}
