protected function render_graph_key()
{
if (isset($this->i['force_simple_keys']) && $this->i['force_simple_keys']) {
return parent::render_graph_key();
}
if (!$this->i['plot_overview_text']) {
return;
}
if ($this->i['key_line_height'] == 0) {
return;
}
$square_length = 10;
$precision = $this->i['graph_max_value'] > 999 ? 0 : 1;
$num_rows = max(1, ceil($this->test_result->test_result_buffer->get_count() / $this->i['keys_per_line']));
$num_cols = ceil($this->test_result->test_result_buffer->get_count() / $num_rows);
$y_start = $this->i['top_heading_height'] + 24;
//$y_start = $this->i['top_start'] - $this->graph_key_height() + $this->getStatisticsHeaderHeight();
$y_end = $y_start + $this->i['key_line_height'] * $num_rows;
$x_start = $this->i['left_start'];
$x_end = $x_start + $this->i['key_item_width'] * ($num_cols - 1);
// draw the "Min Avg Max" text
$stat_header_offset = $this->i['key_longest_string_width'] + $square_length + 10;
$g_text = $this->svg_dom->make_g(array('font-size' => 6.5, 'fill' => self::$c['color']['notches']));
for ($x = $x_start + $stat_header_offset; $x <= $x_end + $stat_header_offset; $x += $this->i['key_item_width']) {
$stat_words = array('Min', 'Avg', 'Max');
$stat_word_width = $this->get_stat_word_width();
$attributes = array('y' => $y_start - 14);
foreach ($stat_words as &$stat_word) {
$attributes['x'] = $x;
$this->svg_dom->add_text_element($stat_word, $attributes, $g_text);
$x += $stat_word_width;
}
}
// draw the keys and the min,avg,max values
$g_rect = $this->svg_dom->make_g(array('stroke' => self::$c['color']['notches'], 'stroke-width' => 1));
for ($i = 0, $x = $x_start; $x <= $x_end; $x += $this->i['key_item_width']) {
for ($y = $y_start; $y <= $y_end; $y += $this->i['key_line_height'], ++$i) {
if (!isset($this->test_result->test_result_buffer->buffer_items[$i])) {
break;
}
$identifier_title = $this->test_result->test_result_buffer->buffer_items[$i]->get_result_identifier();
$this_color = $this->get_paint_color($identifier_title);
// draw square
$this->svg_dom->add_element('rect', array('x' => $x, 'y' => $y - $square_length, 'width' => $square_length, 'height' => $square_length, 'fill' => $this_color), $g_rect);
// draw text
$g_text = $this->svg_dom->make_g(array('font-size' => self::$c['size']['key'], 'fill' => $this_color));
$this->svg_dom->add_text_element($identifier_title, array('x' => $x + $square_length + 4, 'y' => $y), $g_text);
// draw min/avg/max
$x_stat_loc = $x + $square_length + $this->i['key_longest_string_width'] + 10;
$vals = $this->test_result->test_result_buffer->buffer_items[$i]->get_result_value();
$attributes = array('y' => $y);
$stat_word_width = $this->get_stat_word_width();
$stat_array = $this->calc_min_avg_max($vals);
$precise_stat_array = array();
foreach ($stat_array as $stat_value) {
array_push($precise_stat_array, pts_math::set_precision($stat_value, $precision));
}
$attributes['x'] = $x_stat_loc;
foreach ($precise_stat_array as $stat_value) {
$this->svg_dom->add_text_element(strval($stat_value), $attributes, $g_text);
$attributes['x'] += $stat_word_width;
}
}
}
}
