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<?php |
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/** |
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* Trait ImagetilerOptionsTrait |
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* |
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* @filesource ImagetilerOptionsTrait.php |
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* @created 20.06.2018 |
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* @package chillerlan\Imagetiler |
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* @author smiley <[email protected]> |
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* @copyright 2018 smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Imagetiler; |
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use Imagick; |
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trait ImagetilerOptionsTrait{ |
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/** |
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* width/height of a single tile |
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* |
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* @var int |
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*/ |
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protected $tile_size = 256; |
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/** |
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* minimum zoom level |
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* |
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* @var int |
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*/ |
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protected $zoom_min = 0; |
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/** |
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* maximum zoom level |
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* |
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* @var int |
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*/ |
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protected $zoom_max = 8; |
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/** |
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* normalize zoom level |
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* |
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* this zoom level represents the size of the original image. |
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* zoom levels higher than this will be upscaled, which may take |
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* some time and resources depending on the size of the input image. |
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* |
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* @var int |
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*/ |
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protected $zoom_normalize = null; |
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/** |
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* if set to true - the origin will be set to bottom left, +y upwards |
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* @see http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification#TileMap_Diagram |
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* |
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* otherwise the origin is on the top left, +y downwards (default) |
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* @see https://developers.google.com/maps/documentation/javascript/coordinates#tile-coordinates |
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* |
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* @var bool |
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*/ |
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protected $tms = false; |
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/** |
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* fill color can be transparent for png |
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* |
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* @var string |
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*/ |
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protected $fill_color = '#000000'; |
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/** |
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* @see https://secure.php.net/manual/ini.core.php#ini.memory-limit |
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* @var string |
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*/ |
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protected $memory_limit = '-1'; |
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/** |
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* %1$d - zoom |
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* %2$d - x |
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* %3$d - y |
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* |
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* @see https://secure.php.net/manual/function.sprintf.php |
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* @var string |
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*/ |
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protected $store_structure = '%1$d/%2$d/%3$d'; |
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/** |
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* determines whether to use fast scaleImage (true) or slow resizeImage (false) |
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* |
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* @var bool |
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*/ |
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protected $fast_resize = false; |
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/** |
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* @see https://secure.php.net/manual/imagick.constants.php |
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* @var int |
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*/ |
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protected $resize_filter = Imagick::FILTER_ROBIDOUXSHARP; //FILTER_LANCZOS2SHARP |
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/** |
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* @var float |
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*/ |
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protected $resize_blur = 1.0; |
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/** |
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* image format used for storing the tiles: jpeg or png |
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* @see http://www.imagemagick.org/script/formats.php |
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* |
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* @var string |
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*/ |
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protected $tile_format = 'png'; |
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/** |
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* tile image extension - autodetected from format if none given |
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* |
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* @var string |
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*/ |
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protected $tile_ext = null; |
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/** |
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* quality of the saved image in jpeg format |
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* |
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* @var int |
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*/ |
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protected $quality_jpeg = 80; |
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/** |
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* ImageMagick tmp folder, |
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* Can be changed in case if system /tmp have not enough free space |
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* |
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* @var string |
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*/ |
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protected $imagick_tmp = null; |
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/** |
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* @var bool |
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*/ |
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protected $overwrite_base_image = false; |
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/** |
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* @var bool |
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*/ |
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protected $overwrite_tile_image = false; |
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/** |
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* @var bool |
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*/ |
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protected $clean_up = true; |
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/** |
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* @var bool |
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*/ |
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protected $optimize_output = false; |
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/** |
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* "constructor" |
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*/ |
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public function ImagetilerOptionsTrait(){ |
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$this->zoom_min = max(0, $this->zoom_min); |
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$this->zoom_max = max(1, $this->zoom_max); |
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if($this->zoom_normalize === null || $this->zoom_max < $this->zoom_normalize){ |
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$this->zoom_normalize = $this->zoom_max; |
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} |
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if($this->tile_ext === null){ |
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$this->tile_ext = $this->getExtension($this->tile_format); |
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} |
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} |
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/** |
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* return file extension depend of given format |
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* |
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* @param string $format |
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* |
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* @return string |
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* @throws \chillerlan\Imagetiler\ImagetilerException |
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*/ |
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protected function getExtension(string $format):string{ |
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if(in_array($format, ['jpeg', 'jp2', 'jpc', 'jxr',], true)){ |
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return 'jpg'; |
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} |
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if(in_array($format, ['png', 'png00', 'png8', 'png24', 'png32', 'png64',], true)){ |
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return 'png'; |
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} |
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throw new ImagetilerException('invalid file format'); |
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} |
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} |
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chillerlan /
php-imagetiler
