function fivestar_preview_color in Fivestar 5
Same name and namespace in other branches
- 6.2 includes/fivestar.color.inc \fivestar_preview_color()
- 6 fivestar.module \fivestar_preview_color()
Callback function for fivestar/preview/color.
Outputs a dynamically generated star or cancel png.
1 string reference to 'fivestar_preview_color'
- fivestar_menu in ./
fivestar.module - Implementation of hook_menu().
File
- ./
fivestar.module, line 537 - A simple n-star voting widget, usable in other forms.
Code
function fivestar_preview_color() {
include_once drupal_get_path('module', 'fivestar') . '/fivestar_color.inc';
$args = func_get_args();
// Remove query string if it gets passed in as argument.
$filename = preg_replace('/\\?.*$/', '', array_pop($args));
$type = array_pop($args);
$widget = array_pop($args);
// Convert args to our color scheme.
$color_scheme = array(
'on1' => $args[0],
'on2' => $args[1],
'hover1' => $args[2],
'hover2' => $args[3],
'off1' => $args[4],
'off2' => $args[5],
'matte' => $args[6],
);
// Find the source location of the desired widget.
$widgets = module_invoke_all('fivestar_widgets');
foreach ($widgets as $key => $name) {
if (drupal_strtolower($name) == $widget) {
$source_directory = str_replace($widget . '.css', '', $key);
break;
}
}
// Generate the requested image and exit.
$image = _fivestar_color_render($source_directory . str_replace('.png', '-template.png', $filename), $color_scheme, $type);
drupal_set_header('Content-type: image/png');
drupal_set_header("Expires: " . gmdate("D, d M Y H:i:s", time() + 300) . " GMT");
drupal_set_header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
drupal_set_header("Cache-Control: max-age=300");
imagepng($image);
exit;
}