public static function instantiate($library)
{
if ($library == 'default') {
if (ShowPlusLibrarian::is_imagick_supported()) {
$library = 'imagick';
} else {
$library = 'gd';
}
}
switch ($library) {
case 'imagick':
if (ShowPlusLibrarian::is_imagick_supported()) {
return new ShowPlusImageLibraryImagick();
}
case 'gd':
if (ShowPlusLibrarian::is_gd_supported()) {
return new ShowPlusImageLibraryGD();
}
}
return new ShowPlusImageLibrary();
// all operations will throw an image library unavailable exception
}
public function getInput()
{
$class = isset($this->element['class']) ? 'class="' . (string) $this->element['class'] . '"' : 'class="inputbox"';
// user-friendly names for image processing libraries
$items = array();
foreach ($this->element->option as $o) {
$val = (string) $o['value'];
$textkey = (string) $o;
$items[$val] = $textkey;
}
// test which image processing libraries are supported
$supported = array();
if (ShowPlusLibrarian::is_gd_supported()) {
$supported['gd'] = 'GD';
}
if (ShowPlusLibrarian::is_imagick_supported()) {
$supported['imagick'] = 'ImageMagick';
}
if (empty($supported)) {
// no library is supported
if (isset($items['none'])) {
$textkey = $items['none'];
} else {
$textkey = 'none';
}
return $this->renderNone($textkey, $this->name, $class);
} else {
// at least a single library is supported
$supported['default'] = 'default';
foreach ($items as $key => $textkey) {
if (isset($supported[$key])) {
$supported[$key] = $textkey;
}
}
return $this->renderHtmlSelect($supported, $this->name, $class, $this->value);
}
}
private function validate()
{
$this->folder = str_replace("\\", '/', trim($this->folder, " /\\\n\r\t"));
// dimensions
$this->width = self::as_positive_integer($this->width, 600);
$this->height = self::as_positive_integer($this->height, 400);
$this->thumb_width = self::as_positive_integer($this->thumb_width, 60);
$this->thumb_height = self::as_positive_integer($this->thumb_height, 40);
// slideshow alignment and thumbnail bar orientation
$language = JFactory::getLanguage();
switch ($this->alignment) {
case 'left':
case 'left-clear':
case 'left-float':
case 'right':
case 'right-clear':
case 'right-float':
str_replace(array('left', 'right'), $language->isRTL() ? array('after', 'before') : array('before', 'after'), $this->alignment);
break;
case 'before':
case 'center':
case 'right':
case 'before-clear':
case 'after-clear':
case 'before-float':
case 'after-float':
break;
default:
$this->alignment = 'center';
}
if ($this->orientation !== false) {
switch ($this->orientation) {
case 'horizontal':
// horizontal bottom
// horizontal bottom
case 'horizontal-bottom':
case 'horizontal-top':
case 'vertical':
// vertical right
// vertical right
case 'vertical-right':
case 'vertical-left':
break;
case 'disabled':
default:
$this->orientation = false;
}
}
$this->autohide = (bool) $this->autohide;
// overlay buttons and captions
if ($this->buttons) {
switch ($this->buttons) {
case 'full':
case 'minimalistic':
break;
default:
$this->buttons = 'full';
}
} else {
$this->buttons = false;
}
$this->captions = (bool) $this->captions;
$this->defcaption = self::as_optional_string($this->defcaption);
$this->deflink = self::as_optional_string($this->deflink);
$this->target = self::as_optional_string($this->target);
// delay times [ms]
$this->delay = self::as_nonnegative_integer($this->delay);
$this->duration = self::as_nonnegative_integer($this->duration);
switch ($this->transition) {
case 'fade':
case 'flash':
case 'fold':
case 'kenburns':
case 'push':
break;
default:
$this->transition = 'fade';
}
switch ($this->transition_easing) {
case 'linear':
case 'quad':
case 'cubic':
case 'quart':
case 'quint':
case 'expo':
case 'circ':
case 'sine':
case 'back':
case 'bounce':
case 'elastic':
break;
default:
$this->transition_easing = 'linear';
}
$this->transition_pan = self::as_percentage($this->transition_pan);
$this->transition_zoom = self::as_percentage($this->transition_zoom);
$this->scroll_speed = self::as_percentage($this->scroll_speed);
// style
$this->margin = self::as_nonnegative_integer($this->margin);
$this->border_width = self::as_nonnegative_integer($this->border_width);
switch ($this->border_style) {
case 'none':
case 'dotted':
case 'dashed':
case 'solid':
case 'double':
case 'groove':
case 'ridge':
case 'inset':
case 'outset':
break;
default:
$this->border_style = false;
}
$this->border_color = self::as_color($this->border_color);
$this->padding = self::as_nonnegative_integer($this->padding);
$this->background_color = self::as_color($this->background_color);
// navigation links
$this->links = (bool) $this->links;
// overlay image
switch ($this->overlay_position) {
case 'left-top':
case 'left-center':
case 'left-bottom':
case 'center-top':
case 'center-center':
case 'center-bottom':
case 'right-top':
case 'right-center':
case 'right-bottom':
break;
case 'none':
default:
$this->overlay_position = false;
}
// thumbnail image generation
$this->thumb_cache = (bool) $this->thumb_cache;
$this->thumb_color_active = self::as_color($this->thumb_color_active);
$this->thumb_color_hover = self::as_color($this->thumb_color_hover);
$this->thumb_quality = self::as_percentage($this->thumb_quality);
// image labels
$this->labels = preg_replace('/[^A-Za-z0-9_\\-]/', '', str_replace('.', '_', $this->labels));
$this->labels_multilingual = (bool) $this->labels_multilingual;
$this->labels_update = (bool) $this->labels_update;
// sort criterion and sort order
if (is_numeric($this->sort_criterion)) {
$this->sort_criterion = (int) $this->sort_criterion;
} else {
switch ($this->sort_criterion) {
case 'labels':
case 'labels-filename':
case 'labels-fname':
$this->sort_criterion = SHOWPLUS_SORT_LABELS_OR_FILENAME;
break;
case 'labels-mtime':
$this->sort_criterion = SHOWPLUS_SORT_LABELS_OR_MTIME;
break;
case 'filename':
case 'fname':
$this->sort_criterion = SHOWPLUS_SORT_FILENAME;
break;
case 'mtime':
$this->sort_criterion = SHOWPLUS_SORT_MTIME;
break;
case 'random':
$this->sort_criterion = SHOWPLUS_SORT_RANDOM;
break;
case 'randomlabels':
$this->sort_criterion = SHOWPLUS_SORT_RANDOMLABELS;
break;
default:
$this->sort_criterion = SHOWPLUS_SORT_LABELS_OR_FILENAME;
}
}
if (is_numeric($this->sort_order)) {
$this->sort_order = (int) $this->sort_order;
} else {
switch ($this->sort_order) {
case 'asc':
case 'ascending':
$this->sort_order = SHOWPLUS_SORT_ASCENDING;
break;
case 'desc':
case 'descending':
$this->sort_order = SHOWPLUS_SORT_DESCENDING;
break;
default:
$this->sort_order = SHOWPLUS_SORT_ASCENDING;
}
}
// image library
switch ($this->library) {
case 'gd':
if (!ShowPlusLibrarian::is_gd_supported()) {
$this->library = 'default';
}
break;
case 'imagick':
if (!ShowPlusLibrarian::is_imagick_supported()) {
$this->library = 'default';
}
break;
default:
$this->library = 'default';
}
switch ($this->library) {
case 'default':
if (ShowPlusLibrarian::is_imagick_supported()) {
$this->library = 'imagick';
} elseif (ShowPlusLibrarian::is_gd_supported()) {
$this->library = 'gd';
} else {
$this->library = 'none';
}
break;
default:
}
$this->debug = (bool) $this->debug;
}