/**
* Shortcode callback function.
*
* @return string
*/
protected function do_shortcode()
{
extract($this->extract());
$content = preg_replace('#^<\\/p>|<p>$#', '', $content);
// Compose final HTML id attribute
$final_id = strlen($id) ? $id : 'g1-dropcap-' . $this->get_counter();
// Compose final HTML class attribute
$final_class = array('g1-dropcap', 'g1-dropcap--' . $style);
$final_class = array_merge($final_class, explode(' ', $class));
// Compose CSS
$css = '';
if (strlen($text_color)) {
$color = new G1_Color($text_color);
$css .= '#' . esc_attr($final_id) . '.g1-dropcap--simple,' . "\n" . '#' . esc_attr($final_id) . '.g1-dropcap--solid {' . "\n" . 'color: #' . $color->get_hex() . ';' . "\n" . '}' . "\n";
}
if (strlen($bg_color)) {
$color = new G1_Color($bg_color);
$hex = $color->get_hex();
list($from, $to) = G1_Color_Generator::get_warm_gradient($color);
$from_hex = $from->get_hex();
$to_hex = $to->get_hex();
$css .= '#' . esc_attr($final_id) . '.g1-dropcap--solid {' . "\n" . 'background-color: #' . $hex . ';' . "\n" . '}' . "\n";
}
//$css = str_replace(array("\n", "\r"), '', $css);
// Compose output
$out = '';
$out .= strlen($css) ? "\n" . '<style type="text/css">' . $css . '</style>' . "\n" : '';
$out .= '<span id="' . esc_attr($final_id) . '" ';
$out .= 'class="' . sanitize_html_classes($final_class) . '" ';
$out .= '><span>';
$out .= $content;
$out .= '</span></span>';
return $out;
}
/**
* Generates color variations based on a single color
*
* @param $color
* @return array
*/
public function get_color_variations($color)
{
$result = array();
$color = new G1_Color($color);
$color_rgb = $color->get_rgb();
$color_rgb = array_map('round', $color_rgb);
$result['hex'] = $color->get_hex();
$result['r'] = $color_rgb[0];
$result['g'] = $color_rgb[1];
$result['b'] = $color_rgb[2];
$result['from_hex'] = $color->get_hex();
$result['from_r'] = $color_rgb[0];
$result['from_g'] = $color_rgb[1];
$result['from_b'] = $color_rgb[2];
$result['to_hex'] = $color->get_hex();
$result['to_r'] = $color_rgb[0];
$result['to_g'] = $color_rgb[1];
$result['to_b'] = $color_rgb[2];
$border2 = G1_Color_Generator::get_tone_color($color, 20);
$border2_rgb = $border2->get_rgb();
$border2_rgb = array_map('round', $border2_rgb);
$border1 = clone $color;
$border1->set_lightness(round(($border1->get_lightness() + $border2->get_lightness()) / 2));
$border1_rgb = $border1->get_rgb();
$border1_rgb = array_map('round', $border1_rgb);
$result['border2_hex'] = $border2->get_hex();
$result['border2_r'] = $border2_rgb[0];
$result['border2_g'] = $border2_rgb[1];
$result['border2_b'] = $border2_rgb[2];
$result['border1_hex'] = $border1->get_hex();
$result['border1_r'] = $border1_rgb[0];
$result['border1_g'] = $border1_rgb[1];
$result['border1_b'] = $border1_rgb[2];
if ($color->get_lightness() >= 50) {
$result['border1_start'] = 0;
$result['border1_end'] = 0.66;
} else {
$result['border1_start'] = 0.66;
$result['border1_end'] = 0;
}
$tone_20_20 = G1_Color_Generator::get_tone_color($color, 20, 20);
$tone_20_20_rgb = $tone_20_20->get_rgb();
$tone_20_20_rgb = array_map('round', $tone_20_20_rgb);
$result['tone_20_20_hex'] = $tone_20_20->get_hex();
$result['tone_20_20_r'] = $tone_20_20_rgb[0];
$result['tone_20_20_g'] = $tone_20_20_rgb[1];
$result['tone_20_20_b'] = $tone_20_20_rgb[2];
$tone_5_90 = G1_Color_Generator::get_tone_color($color, 5, 90);
$tone_5_90_rgb = $tone_5_90->get_rgb();
$tone_5_90_rgb = array_map('round', $tone_5_90_rgb);
$result['tone_5_90_hex'] = $tone_5_90->get_hex();
$result['tone_5_90_r'] = $tone_5_90_rgb[0];
$result['tone_5_90_g'] = $tone_5_90_rgb[1];
$result['tone_5_90_b'] = $tone_5_90_rgb[2];
return $result;
}
