群多多社群人脉H5_优化采集等功能

<?php namespace PHPImageWorkshop\Core; use PHPImageWorkshop\Exif\ExifOrientations; use PHPImageWorkshop\ImageWorkshop as ImageWorkshop; use PHPImageWorkshop\Core\ImageWorkshopLib as ImageWorkshopLib; use PHPImageWorkshop\Core\Exception\ImageWorkshopLayerException as ImageWorkshopLayerException; /** * ImageWorkshopLayer class * * This class represents a layer that contains a background image and can be edited * * @link http://phpimageworkshop.com * @author Sybio (Clément Guillemain / @Sybio01) * @license http://en.wikipedia.org/wiki/MIT_License * @copyright Clément Guillemain */ class ImageWorkshopLayer { // =================================================================================== // Properties // =================================================================================== /** * @var int * * Width of the group model * Default: 800 */ protected $width; /** * @var int * * Height of the group model * Default: 600 */ protected $height; /** * @var self[] * * Layers (and groups) */ public $layers; /** * @var int[] * * Levels of the sublayers in the stack */ protected $layerLevels; /** * @var array * * Positions (x and y) of the sublayers in the stack */ protected $layerPositions; /** * @var int * * Id of the last indexed sublayer in the stack */ protected $lastLayerId; /** * @var int * * The highest sublayer level */ protected $highestLayerLevel; /** * @var resource * * Background Image */ protected $image; /** * @var array * * Exif data */ protected $exif; /** * @var string */ const UNIT_PIXEL = 'pixel'; /** * @var string */ const UNIT_PERCENT = 'percent'; /** * @var integer */ const ERROR_GD_NOT_INSTALLED = 1; /** * @var integer */ const ERROR_PHP_IMAGE_VAR_NOT_USED = 2; /** * @var integer */ const ERROR_FONT_NOT_FOUND = 3; /** * @var integer */ const METHOD_DEPRECATED = 4; /** * @var integer */ const ERROR_NEGATIVE_NUMBER_USED = 5; /** * @var integer */ const ERROR_NOT_WRITABLE_FOLDER = 6; /** * @var integer */ const ERROR_NOT_SUPPORTED_FORMAT = 7; /** * @var integer */ const ERROR_UNKNOW = 8; // =================================================================================== // Methods // =================================================================================== // Magicals // ========================================================= /** * Constructor * * @param resource $image */ public function __construct($image, array $exif = array()) { if (!extension_loaded('gd')) { throw new ImageWorkshopLayerException('PHPImageWorkshop requires the GD extension to be loaded.', static::ERROR_GD_NOT_INSTALLED); } if (gettype($image) != 'resource' && gettype($image) != '\resource') { throw new ImageWorkshopLayerException('You must give a php image var to initialize a layer.', static::ERROR_PHP_IMAGE_VAR_NOT_USED); } $this->width = imagesx($image); $this->height = imagesy($image); $this->image = $image; $this->exif = $exif; $this->layers = $this->layerLevels = $this->layerPositions = array(); $this->clearStack(); } /** * Clone method: use it if you want to reuse an existing ImageWorkshop object in another variable * This is important because img resource var references all the same image in PHP. * Example: $b = clone $a; (never do $b = $a;) */ public function __clone() { $this->createNewVarFromBackgroundImage(); } // Superimpose a sublayer // ========================================================= /** * Add an existing ImageWorkshop sublayer and set it in the stack at a given level * Return an array containing the generated sublayer id in the stack and its corrected level: * array("layerLevel" => integer, "id" => integer) * * $position: http://phpimageworkshop.com/doc/22/corners-positions-schema-of-an-image.html * * @param int $layerLevel * @param ImageWorkshopLayer $layer * @param int $positionX * @param int $positionY * @param string $position * * @return array */ public function addLayer($layerLevel, $layer, $positionX = 0, $positionY = 0, $position = 'LT') { return $this->indexLayer($layerLevel, $layer, $positionX, $positionY, $position); } /** * Add an existing ImageWorkshop sublayer and set it in the stack at the highest level * Return an array containing the generated sublayer id in the stack and the highest level: * array("layerLevel" => integer, "id" => integer) * * $position: http://phpimageworkshop.com/doc/22/corners-positions-schema-of-an-image.html * * @param ImageWorkshopLayer $layer * @param int $positionX * @param int $positionY * @param string $position * * @return array */ public function addLayerOnTop($layer, $positionX = 0, $positionY = 0, $position = 'LT') { return $this->indexLayer($this->highestLayerLevel + 1, $layer, $positionX, $positionY, $position); } /** * Add an existing ImageWorkshop sublayer and set it in the stack at level 1 * Return an array containing the generated sublayer id in the stack and level 1: * array("layerLevel" => integer, "id" => integer) * * $position: http://phpimageworkshop.com/doc/22/corners-positions-schema-of-an-image.html * * @param ImageWorkshopLayer $layer * @param int $positionX * @param int $positionY * @param string $position * * @return array */ public function addLayerBelow($layer, $positionX = 0, $positionY = 0, $position = 'LT') { return $this->indexLayer(1, $layer, $positionX, $positionY, $position); } // Move a sublayer inside the stack // ========================================================= /** * Move a sublayer on the top of a group stack * Return new sublayer level if success or false otherwise * * @param int $layerId * @return mixed */ public function moveTop($layerId) { return $this->moveTo($layerId, $this->highestLayerLevel, false); } /** * Move a sublayer to the level 1 of a group stack * Return new sublayer level if success or false otherwise * * @param int $layerId * * @return mixed */ public function moveBottom($layerId) { return $this->moveTo($layerId, 1, true); } /** * Move a sublayer to the level $level of a group stack * Return new sublayer level if success or false if layer isn't found * * Set $insertUnderTargetedLayer true if you want to move the sublayer under the other sublayer at the targeted level, * or false to insert it on the top of the other sublayer at the targeted level * * @param int $layerId * @param int $level * @param boolean $insertUnderTargetedLayer * * @return mixed */ public function moveTo($layerId, $level, $insertUnderTargetedLayer = true) { // if the sublayer exists in stack if ($this->isLayerInIndex($layerId)) { $layerOldLevel = $this->getLayerLevel($layerId); if ($level < 1) { $level = 1; $insertUnderTargetedLayer = true; } if ($level > $this->highestLayerLevel) { $level = $this->highestLayerLevel; $insertUnderTargetedLayer = false; }