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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24 | const IS_ORIGINAL = 0x01; |
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25 | const IS_MIMETYPE = 0x02; |
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26 | |
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27 | public $id; |
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28 | public $rel_path; |
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29 | |
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30 | private $size=null; |
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31 | private $flags=0; |
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32 | |
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33 | function __construct($infos) |
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34 | { |
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35 | global $conf; |
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36 | |
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37 | $this->id = $infos['id']; |
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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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42 | $this->flags |= self::IS_ORIGINAL; |
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43 | } |
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44 | elseif (!empty($infos['representative_ext'])) |
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45 | { |
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46 | $this->rel_path = original_to_representative($infos['path'], $infos['representative_ext']); |
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47 | } |
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48 | else |
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49 | { |
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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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54 | } |
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55 | |
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56 | if (!$this->size && isset($infos['width']) && isset($infos['height'])) |
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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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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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79 | return embellish_url(get_root_url().$this->rel_path); |
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80 | } |
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81 | |
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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 = $type; |
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114 | } |
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115 | |
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116 | self::build($src_image, $this->params, $this->rel_path, $this->rel_url); |
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117 | } |
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118 | |
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119 | static function thumb_url($infos) |
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120 | { |
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121 | return self::url(IMG_THUMB, $infos); |
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122 | } |
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123 | |
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124 | static function url($type, $infos) |
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125 | { |
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126 | $src_image = is_object($infos) ? $infos : new SrcImage($infos); |
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127 | $params = is_string($type) ? ImageStdParams::get_by_type($type) : $type; |
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128 | self::build($src_image, $params, $rel_path, $rel_url); |
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129 | if ($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, $rel_url |
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137 | ) ); |
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138 | } |
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139 | |
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140 | static function get_all($src_image) |
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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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152 | |
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153 | return $ret; |
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154 | } |
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155 | |
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156 | private static function build($src, &$params, &$rel_path, &$rel_url) |
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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 = $rel_path; |
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212 | } |
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213 | } |
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214 | |
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215 | function get_path() |
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216 | { |
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217 | return PHPWG_ROOT_PATH.$this->rel_path; |
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218 | } |
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219 | |
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220 | function get_url() |
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221 | { |
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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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231 | } |
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232 | |
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233 | function same_as_source() |
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234 | { |
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235 | return $this->params == null; |
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236 | } |
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237 | |
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238 | |
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239 | function get_type() |
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240 | { |
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241 | if ($this->params == null) |
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242 | return 'Original'; |
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243 | return $this->params->type; |
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244 | } |
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245 | |
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246 | /* returns the size of the derivative image*/ |
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247 | function get_size() |
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248 | { |
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249 | if ($this->params == null) |
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250 | { |
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251 | return $this->src_image->get_size(); |
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252 | } |
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253 | return $this->params->compute_final_size($this->src_image->get_size()); |
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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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261 | return 'width="'.$size[0].'" height="'.$size[1].'"'; |
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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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274 | } |
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275 | |
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276 | ?> |
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