| <?php |
| /** |
| * File containing the ezcDocumentPdfPhpImageHandler class |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Document |
| * @version //autogen// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| |
| /** |
| * PHP image handler |
| * |
| * Basic image handler which can detect mime type and dimensions of some images |
| * using the PHP function getimagesize(). It therefore can analyse all images |
| * covered by the PHP function, which is available by default. |
| * |
| * @package Document |
| * @access private |
| * @version //autogen// |
| */ |
| class ezcDocumentPdfPhpImageHandler extends ezcDocumentPdfImageHandler |
| { |
| /** |
| * Cache for extracted image information |
| * |
| * @var array |
| */ |
| protected $cache; |
| |
| /** |
| * Can this handler handle the passed image? |
| * |
| * Returns a boolean value indicatin whether the current handler can handle |
| * the passed image file. |
| * |
| * @param string $file |
| * @return bool |
| */ |
| public function canHandle( $file ) |
| { |
| if ( isset( $this->cache[$file] ) ) |
| { |
| return true; |
| } |
| |
| if ( ( $data = getimagesize( $file ) ) === false ) |
| { |
| return false; |
| } |
| |
| // If width or height is not available this is not a simple |
| // image type, which we can handle. |
| if ( !$data[0] || !$data[1] ) |
| { |
| return false; |
| } |
| |
| $this->cache[$file] = array( |
| 'dimensions' => array( |
| new ezcDocumentPcssMeasure( $data[0] . 'px' ), |
| new ezcDocumentPcssMeasure( $data[1] . 'px' ), |
| ), |
| 'mimetype' => $data['mime'], |
| ); |
| return true; |
| } |
| |
| /** |
| * Get image dimensions |
| * |
| * Return an array with the image dimensions. The array will look like: |
| * array( ezcDocumentPcssMeasure $width, ezcDocumentPcssMeasure $height ). |
| * |
| * @param string $file |
| * @return array |
| */ |
| public function getDimensions( $file ) |
| { |
| if ( !isset( $this->cache[$file] ) && |
| !$this->canHandle( $file ) ) |
| { |
| return false; |
| } |
| |
| return $this->cache[$file]['dimensions']; |
| } |
| |
| /** |
| * Get image mime type |
| * |
| * Return a string with the image mime type, identifying the type of the |
| * image. |
| * |
| * @param string $file |
| * @return string |
| */ |
| public function getMimeType( $file ) |
| { |
| if ( !isset( $this->cache[$file] ) && |
| !$this->canHandle( $file ) ) |
| { |
| return false; |
| } |
| |
| return $this->cache[$file]['mimetype']; |
| } |
| } |
| ?> |