[12796] | 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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| 3 | // | Piwigo - a PHP based photo gallery | |
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| 4 | // +-----------------------------------------------------------------------+ |
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| 5 | // | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org | |
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| 6 | // +-----------------------------------------------------------------------+ |
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| 7 | // | This program is free software; you can redistribute it and/or modify | |
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| 8 | // | it under the terms of the GNU General Public License as published by | |
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| 9 | // | the Free Software Foundation | |
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| 10 | // | | |
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| 11 | // | This program is distributed in the hope that it will be useful, but | |
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| 12 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 13 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 14 | // | General Public License for more details. | |
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| 15 | // | | |
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| 16 | // | You should have received a copy of the GNU General Public License | |
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| 17 | // | along with this program; if not, write to the Free Software | |
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| 18 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 19 | // | USA. | |
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| 20 | // +-----------------------------------------------------------------------+ |
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| 21 | |
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| 22 | final class SrcImage |
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| 23 | { |
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[12797] | 24 | const IS_ORIGINAL = 0x01; |
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| 25 | const IS_MIMETYPE = 0x02; |
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| 26 | |
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[12954] | 27 | public $id; |
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[12796] | 28 | public $rel_path; |
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[12797] | 29 | |
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[12796] | 30 | private $size=null; |
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[12797] | 31 | private $flags=0; |
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[12796] | 32 | |
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| 33 | function __construct($infos) |
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| 34 | { |
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| 35 | global $conf; |
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[13038] | 36 | |
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[12954] | 37 | $this->id = $infos['id']; |
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[12796] | 38 | $ext = get_extension($infos['path']); |
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| 39 | if (in_array($ext, $conf['picture_ext'])) |
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| 40 | { |
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| 41 | $this->rel_path = $infos['path']; |
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[12797] | 42 | $this->flags |= self::IS_ORIGINAL; |
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[12796] | 43 | } |
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| 44 | elseif (!empty($infos['representative_ext'])) |
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| 45 | { |
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[12831] | 46 | $this->rel_path = original_to_representative($infos['path'], $infos['representative_ext']); |
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[12796] | 47 | } |
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| 48 | else |
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| 49 | { |
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[12797] | 50 | $ext = strtolower($ext); |
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| 51 | $this->rel_path = trigger_event('get_mimetype_location', get_themeconf('mime_icon_dir').$ext.'.png', $ext ); |
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| 52 | $this->flags |= self::IS_MIMETYPE; |
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| 53 | $this->size = @getimagesize(PHPWG_ROOT_PATH.$this->rel_path); |
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[12796] | 54 | } |
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| 55 | |
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[12797] | 56 | if (!$this->size && isset($infos['width']) && isset($infos['height'])) |
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[12796] | 57 | { |
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| 58 | $this->size = array($infos['width'], $infos['height']); |
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| 59 | } |
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| 60 | } |
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| 61 | |
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[12797] | 62 | function is_original() |
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| 63 | { |
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| 64 | return $this->flags & self::IS_ORIGINAL; |
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| 65 | } |
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| 66 | |
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| 67 | function is_mimetype() |
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| 68 | { |
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| 69 | return $this->flags & self::IS_MIMETYPE; |
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| 70 | } |
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| 71 | |
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| 72 | function get_path() |
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| 73 | { |
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| 74 | return PHPWG_ROOT_PATH.$this->rel_path; |
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| 75 | } |
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| 76 | |
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| 77 | function get_url() |
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| 78 | { |
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[12954] | 79 | return embellish_url(get_root_url().$this->rel_path); |
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[12797] | 80 | } |
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| 81 | |
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[12796] | 82 | function has_size() |
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| 83 | { |
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| 84 | return $this->size != null; |
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| 85 | } |
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| 86 | |
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| 87 | function get_size() |
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| 88 | { |
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| 89 | if ($this->size == null) |
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| 90 | not_implemented(); // get size from file |
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| 91 | return $this->size; |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | |
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| 96 | |
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| 97 | final class DerivativeImage |
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| 98 | { |
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| 99 | public $src_image; |
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| 100 | |
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| 101 | private $params; |
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| 102 | private $rel_path, $rel_url; |
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| 103 | |
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| 104 | function __construct($type, $src_image) |
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| 105 | { |
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| 106 | $this->src_image = $src_image; |
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| 107 | if (is_string($type)) |
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| 108 | { |
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| 109 | $this->params = ImageStdParams::get_by_type($type); |
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| 110 | } |
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| 111 | else |
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| 112 | { |
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| 113 | $this->params = $type; |
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| 114 | } |
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| 115 | |
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[12954] | 116 | self::build($src_image, $this->params, $this->rel_path, $this->rel_url); |
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[12796] | 117 | } |
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| 118 | |
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| 119 | static function thumb_url($infos) |
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| 120 | { |
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[12908] | 121 | return self::url(IMG_THUMB, $infos); |
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[12796] | 122 | } |
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| 123 | |
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| 124 | static function url($type, $infos) |
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| 125 | { |
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[12908] | 126 | $src_image = is_object($infos) ? $infos : new SrcImage($infos); |
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[12796] | 127 | $params = is_string($type) ? ImageStdParams::get_by_type($type) : $type; |
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| 128 | self::build($src_image, $params, $rel_path, $rel_url); |
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[12954] | 129 | if ($params == null) |
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| 130 | { |
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| 131 | return $src_image->get_url(); |
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| 132 | } |
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| 133 | return embellish_url( |
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| 134 | trigger_event('get_derivative_url', |
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| 135 | get_root_url().$rel_url, |
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| 136 | $params, $src_image, $rel_url |
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| 137 | ) ); |
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[12796] | 138 | } |
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| 139 | |
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[12855] | 140 | static function get_all($src_image) |
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[12796] | 141 | { |
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| 142 | $ret = array(); |
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| 143 | foreach (ImageStdParams::get_defined_type_map() as $type => $params) |
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| 144 | { |
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| 145 | $derivative = new DerivativeImage($params, $src_image); |
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| 146 | $ret[$type] = $derivative; |
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| 147 | } |
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| 148 | foreach (ImageStdParams::get_undefined_type_map() as $type => $type2) |
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| 149 | { |
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| 150 | $ret[$type] = $ret[$type2]; |
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| 151 | } |
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[12797] | 152 | |
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[12796] | 153 | return $ret; |
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| 154 | } |
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| 155 | |
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[12954] | 156 | private static function build($src, &$params, &$rel_path, &$rel_url) |
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[12796] | 157 | { |
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| 158 | if ( $src->has_size() && $params->is_identity( $src->get_size() ) ) |
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| 159 | { |
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| 160 | // todo - what if we have a watermark maybe return a smaller size? |
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| 161 | $params = null; |
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| 162 | $rel_path = $rel_url = $src->rel_path; |
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| 163 | return; |
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| 164 | } |
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| 165 | |
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| 166 | $tokens=array(); |
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| 167 | $tokens[] = substr($params->type,0,2); |
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| 168 | |
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| 169 | if ($params->type==IMG_CUSTOM) |
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| 170 | { |
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| 171 | $params->add_url_tokens($tokens); |
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| 172 | } |
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| 173 | |
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| 174 | $loc = $src->rel_path; |
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| 175 | if (substr_compare($loc, './', 0, 2)==0) |
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| 176 | { |
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| 177 | $loc = substr($loc, 2); |
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| 178 | } |
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| 179 | elseif (substr_compare($loc, '../', 0, 3)==0) |
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| 180 | { |
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| 181 | $loc = substr($loc, 3); |
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| 182 | } |
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| 183 | $loc = substr_replace($loc, '-'.implode('_', $tokens), strrpos($loc, '.'), 0 ); |
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| 184 | |
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| 185 | $rel_path = PWG_DERIVATIVE_DIR.$loc; |
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| 186 | |
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| 187 | global $conf; |
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| 188 | $url_style=$conf['derivative_url_style']; |
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| 189 | if (!$url_style) |
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| 190 | { |
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| 191 | $mtime = @filemtime(PHPWG_ROOT_PATH.$rel_path); |
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| 192 | if ($mtime===false or $mtime < $params->last_mod_time) |
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| 193 | { |
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| 194 | $url_style = 2; |
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| 195 | } |
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| 196 | else |
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| 197 | { |
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| 198 | $url_style = 1; |
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| 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | if ($url_style == 2) |
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| 203 | { |
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| 204 | $rel_url = 'i'; |
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| 205 | if ($conf['php_extension_in_urls']) $rel_url .= '.php'; |
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| 206 | if ($conf['question_mark_in_urls']) $rel_url .= '?'; |
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| 207 | $rel_url .= '/'.$loc; |
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| 208 | } |
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| 209 | else |
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| 210 | { |
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| 211 | $rel_url = $rel_path; |
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| 212 | } |
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| 213 | } |
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| 214 | |
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[12865] | 215 | function get_path() |
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| 216 | { |
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| 217 | return PHPWG_ROOT_PATH.$this->rel_path; |
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| 218 | } |
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| 219 | |
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[12796] | 220 | function get_url() |
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| 221 | { |
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[12954] | 222 | if ($this->params == null) |
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| 223 | { |
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| 224 | return $this->src_image->get_url(); |
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| 225 | } |
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| 226 | return embellish_url( |
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| 227 | trigger_event('get_derivative_url', |
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| 228 | get_root_url().$this->rel_url, |
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| 229 | $this->params, $this->src_image, $this->rel_url |
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| 230 | ) ); |
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[12796] | 231 | } |
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| 232 | |
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| 233 | function same_as_source() |
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| 234 | { |
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[12954] | 235 | return $this->params == null; |
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[12796] | 236 | } |
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| 237 | |
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| 238 | |
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[12797] | 239 | function get_type() |
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| 240 | { |
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[12954] | 241 | if ($this->params == null) |
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[13068] | 242 | return 'Original'; |
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[12797] | 243 | return $this->params->type; |
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| 244 | } |
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| 245 | |
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[12796] | 246 | /* returns the size of the derivative image*/ |
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| 247 | function get_size() |
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| 248 | { |
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[12954] | 249 | if ($this->params == null) |
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[12796] | 250 | { |
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| 251 | return $this->src_image->get_size(); |
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| 252 | } |
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[13038] | 253 | return $this->params->compute_final_size($this->src_image->get_size()); |
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[12796] | 254 | } |
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| 255 | |
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| 256 | function get_size_htm() |
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| 257 | { |
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| 258 | $size = $this->get_size(); |
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| 259 | if ($size) |
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| 260 | { |
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[13170] | 261 | return 'width="'.$size[0].'" height="'.$size[1].'"'; |
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[12796] | 262 | } |
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| 263 | } |
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| 264 | |
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| 265 | function get_size_hr() |
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| 266 | { |
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| 267 | $size = $this->get_size(); |
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| 268 | if ($size) |
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| 269 | { |
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| 270 | return $size[0].' x '.$size[1]; |
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| 271 | } |
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| 272 | } |
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| 273 | |
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[13252] | 274 | function get_scaled_size($maxw, $maxh) |
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| 275 | { |
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| 276 | $size = $this->get_size(); |
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| 277 | if ($size) |
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| 278 | { |
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| 279 | $ratio_w = $size[0] / $maxw; |
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| 280 | $ratio_h = $size[1] / $maxh; |
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| 281 | if ($ratio_w>1 || $ratio_h>1) |
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| 282 | { |
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| 283 | if ($ratio_w > $ratio_h) |
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| 284 | { |
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| 285 | $size[0] = $maxw; |
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| 286 | $size[1] = floor($size[1] / $ratio_w); |
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| 287 | } |
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| 288 | else |
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| 289 | { |
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| 290 | $size[0] = floor($size[0] / $ratio_h); |
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| 291 | $size[1] = $maxh; |
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| 292 | } |
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| 293 | } |
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| 294 | } |
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| 295 | return $size; |
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| 296 | } |
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| 297 | |
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| 298 | function get_scaled_size_htm($maxw=9999, $maxh=9999) |
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| 299 | { |
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| 300 | $size = $this->get_scaled_size($maxw, $maxh); |
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| 301 | if ($size) |
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| 302 | { |
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| 303 | return 'width="'.$size[0].'" height="'.$size[1].'"'; |
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| 304 | } |
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| 305 | } |
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[12796] | 306 | } |
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| 307 | |
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| 308 | ?> |
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