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<?php |
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/** |
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* This file deals with creating an image file based on supplied text. For example |
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* the attachment not found image |
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* |
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* TrueType fonts supplied by www.LarabieFonts.com |
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* |
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* @package ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file) |
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* |
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* @version 2.0 dev |
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* |
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*/ |
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namespace ElkArte\Graphics; |
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/** |
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* Class TextImage |
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* |
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* Base class for text to image functions |
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* |
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* @package ElkArte\Graphics |
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*/ |
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class TextImage extends Image |
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{ |
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/** |
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* Image constructor. |
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* |
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* @param string $_text |
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* @param bool $force_gd |
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*/ |
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public function __construct(protected $_text, $force_gd = false) |
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{ |
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$this->_force_gd = $force_gd; |
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// Determine and set what image library we will use |
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try |
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{ |
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$this->setManipulator(); |
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} |
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catch (\Exception) |
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{ |
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// Nothing to do |
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} |
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} |
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/** |
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* Do nothing |
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*/ |
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public function loadImage() |
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{ |
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} |
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/** |
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* Do nothing |
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* |
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* @param string $source |
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*/ |
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public function setSource($source) |
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{ |
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} |
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/** |
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* Do nothing |
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* |
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* @return bool |
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*/ |
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public function isWebAddress() |
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{ |
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return false; |
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} |
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/** |
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* Simple function to generate an image containing some text. |
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* It uses preferentially ImageMagick if present, otherwise GD. |
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* Font and size are fixed. |
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* |
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* @param int $width Width of the final image |
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* @param int $height Height of the image |
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* @param string $format Type of the image (valid types are png, jpeg, gif) |
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* |
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* @return bool|string The image or false if neither ImageMagick nor GD are found |
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*/ |
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public function generate($width = 100, $height = 75, $format = 'png') |
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{ |
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$valid_formats = ['jpeg', 'png', 'gif']; |
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if (!in_array($format, $valid_formats)) |
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{ |
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$format = 'png'; |
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} |
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return $this->_manipulator->generateTextImage($this->_text, $width, $height, $format); |
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} |
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/** |
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* Do nothing |
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* |
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* @return int |
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*/ |
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public function getFilesize() |
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{ |
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return 0; |
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} |
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/** |
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* Do nothing |
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* |
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* @return bool |
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*/ |
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public function isImage() |
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{ |
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return true; |
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} |
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/** |
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* Do nothing |
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* |
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* @param int $max_width allowed width |
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* @param int $max_height allowed height |
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* @param string $dstName name to save |
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* @param string $format image format to save the thumbnail |
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* @param null|bool $force if forcing the image resize to scale up, the default action |
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*/ |
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public function createThumbnail($max_width, $max_height, $dstName = '', $format = '', $force = null) |
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{ |
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} |
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/** |
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* Do nothing |
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*/ |
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public function autoRotate() |
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{ |
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} |
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/** |
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* Do nothing |
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* |
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* @param int $max_width The maximum allowed width |
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* @param int $max_height The maximum allowed height |
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* @param bool $force_resize Always resize the image (force scale up) |
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* @param bool $strip Allow IM to remove exif data as GD always will |
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* |
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* @return bool Always returns true. |
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*/ |
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public function resizeImage($max_width, $max_height, $strip = false, $force_resize = true, $thumbnail = false) |
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{ |
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return true; |
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} |
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/** |
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* Do nothing |
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* |
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* @param string $file_name name to save the image to |
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* @param int $preferred_format what format to save the image |
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* @param int $quality some formats require we provide a compression quality |
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* |
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* @return bool Always returns true. |
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*/ |
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public function saveImage($file_name = '', $preferred_format = IMAGETYPE_JPEG, $quality = 85) |
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{ |
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return true; |
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} |
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/** |
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* Do nothing |
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*/ |
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public function __destruct() |
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{ |
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} |
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/** |
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* Do nothing |
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* |
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* @return bool Always returns true. |
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*/ |
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public function reEncodeImage() |
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{ |
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return true; |
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} |
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/** |
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* Do nothing |
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* |
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* @return array |
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*/ |
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public function getSize() |
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{ |
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return $this->_manipulator->imageDimensions; |
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} |
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/** |
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* Do nothing |
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* |
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* @return bool Always returns true. |
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*/ |
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public function checkImageContents() |
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{ |
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return true; |
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} |
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} |
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elkarte /
Elkarte
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.