public function testRenderLineChartToOutput() { $filename = $this->tempDir . __FUNCTION__ . '.svg'; $chart = new ezcGraphRadarChart(); $chart->palette = new ezcGraphPaletteTango(); $chart->data['sample'] = new ezcGraphArrayDataSet($this->getRandomData(6)); ob_start(); // Suppress header already sent warning @$chart->renderToOutput(500, 200); file_put_contents($filename, ob_get_clean()); $this->compare($filename, $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'); }
function draw_radar_chart($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 ezcGraphRadarChart(); $paletteclass = generate_palette_class_name($palettename); $graph->palette = new $paletteclass(); $graph->title = $CONFIG['title']; $graph->subtitle = 'Created: ' . $CONFIG['ctime'] . ', modified: ' . $CONFIG['mtime']; $graph->subtitle->position = ezcGraph::BOTTOM; $graph->legend = false; $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; $graph->options->fillLines = 128; // Alpha (0 <= Alpha <= 255) /* switch ($CONFIG['labeltype']) { case 'labelonly': $label = '%1$s'; break; case 'valueonly': $label = '%2$d'; break; case 'value': $label = '%1$s: %2$d'; break; case 'percentonly': $label = '%3$.1f%%'; break; case 'percent': $label = '%1$s: %3$.1f%%'; break; default: $label = '%1$s: %2$d (%3$.1f%%)'; } $graph->options->label = $label; */ // 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->axis->min = 0; // ??? //$graph->axis->max = 4; // ??? $graph->axis->majorStep = 5; //$graph->axis->minorStep = 1; $EZCDATA = array(); foreach ($DATA as $value) { $EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['value'])); /* if ($LEGEND == 'key') { $EZCDATA = array_merge($EZCDATA, array($value['key'] => $value['value'])); } if ($LEGEND == 'label') { $EZCDATA = array_merge($EZCDATA, array($value['label'] => $value['value'])); } */ } $graph->data[$CONFIG['title']] = new ezcGraphArrayDataSet($EZCDATA); $graph->data[$CONFIG['title']][] = reset($EZCDATA); /* if (strtolower($CONFIG['chartspace']) == '3d') { $graph->renderer = new ezcGraphRenderer3d(); $graph->renderer->options->pieChartOffset = 60; $graph->renderer->options->pieChartShadowSize = 8; $graph->renderer->options->pieChartShadowColor = '#000000'; //#BABDB6 $graph->renderer->options->pieChartHeight = 20; } */ /* Build the PNG file and send it to the web browser */ $graph->renderToOutput($WIDTH, $HEIGHT); }