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 | define('IMG_SQUARE', 'square'); |
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23 | define('IMG_THUMB', 'thumb'); |
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24 | define('IMG_SMALL', 'small'); |
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25 | define('IMG_MEDIUM', 'medium'); |
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26 | define('IMG_LARGE', 'large'); |
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27 | define('IMG_XLARGE', 'xlarge'); |
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28 | define('IMG_XXLARGE', 'xxlarge'); |
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29 | define('IMG_CUSTOM', 'custom'); |
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30 | |
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31 | final class WatermarkParams |
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32 | { |
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33 | public $file = ''; |
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34 | public $min_size = array(500,500); |
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35 | public $xpos = 50; |
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36 | public $ypos = 50; |
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37 | public $xrepeat = 0; |
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38 | public $opacity = 100; |
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39 | } |
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40 | |
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41 | |
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42 | final class ImageStdParams |
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43 | { |
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44 | private static $all_types = array(IMG_SQUARE,IMG_THUMB,IMG_SMALL,IMG_MEDIUM,IMG_LARGE,IMG_XLARGE,IMG_XXLARGE); |
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45 | private static $all_type_map = array(); |
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46 | private static $type_map = array(); |
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47 | private static $undefined_type_map = array(); |
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48 | private static $watermark; |
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49 | public static $custom = array(); |
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50 | |
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51 | static function get_all_types() |
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52 | { |
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53 | return self::$all_types; |
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54 | } |
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55 | |
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56 | static function get_all_type_map() |
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57 | { |
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58 | return self::$all_type_map; |
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59 | } |
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60 | |
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61 | static function get_defined_type_map() |
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62 | { |
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63 | return self::$type_map; |
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64 | } |
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65 | |
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66 | static function get_undefined_type_map() |
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67 | { |
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68 | return self::$undefined_type_map; |
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69 | } |
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70 | |
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71 | static function get_by_type($type) |
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72 | { |
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73 | return self::$all_type_map[$type]; |
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74 | } |
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75 | |
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76 | static function get_custom($w, $h, $crop=0, $minw=null, $minh=null) |
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77 | { |
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78 | $params = new DerivativeParams( new SizingParams( array($w,$h), $crop, array($minw,$minh)) ); |
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79 | self::apply_global($params); |
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80 | |
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81 | $key = array(); |
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82 | $params->add_url_tokens($key); |
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83 | $key = implode('_',$key); |
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84 | if ( @self::$custom[$key] < time() - 24*3600) |
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85 | { |
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86 | self::$custom[$key] = time(); |
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87 | self::save(); |
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88 | } |
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89 | return $params; |
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90 | } |
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91 | |
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92 | static function get_watermark() |
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93 | { |
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94 | return self::$watermark; |
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95 | } |
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96 | |
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97 | static function load_from_db() |
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98 | { |
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99 | global $conf; |
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100 | $arr = @unserialize($conf['derivatives']); |
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101 | if (false!==$arr) |
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102 | { |
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103 | self::$type_map = $arr['d']; |
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104 | self::$watermark = @$arr['w']; |
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105 | if (!self::$watermark) self::$watermark = new WatermarkParams(); |
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106 | self::$custom = @$arr['c']; |
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107 | if (!self::$custom) self::$custom = array(); |
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108 | } |
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109 | else |
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110 | { |
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111 | self::make_default(); |
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112 | } |
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113 | self::build_maps(); |
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114 | } |
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115 | |
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116 | static function load_from_file() |
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117 | { |
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118 | global $conf; |
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119 | $arr = @unserialize(@file_get_contents(PHPWG_ROOT_PATH.$conf['data_location'].'derivatives.dat')); |
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120 | if (false!==$arr) |
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121 | { |
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122 | self::$type_map = $arr['d']; |
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123 | self::$watermark = @$arr['w']; |
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124 | if (!self::$watermark) self::$watermark = new WatermarkParams(); |
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125 | self::$custom = @$arr['c']; |
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126 | if (!self::$custom) self::$custom = array(); |
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127 | } |
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128 | else |
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129 | { |
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130 | self::make_default(); |
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131 | } |
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132 | self::build_maps(); |
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133 | } |
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134 | |
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135 | static function set_watermark($watermark) |
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136 | { |
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137 | self::$watermark = $watermark; |
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138 | } |
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139 | |
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140 | static function set_and_save($map) |
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141 | { |
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142 | self::$type_map = $map; |
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143 | self::save(); |
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144 | self::build_maps(); |
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145 | } |
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146 | |
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147 | static function save() |
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148 | { |
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149 | global $conf; |
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150 | |
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151 | $ser = serialize( array( |
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152 | 'd' => self::$type_map, |
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153 | 'w' => self::$watermark, |
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154 | 'c' => self::$custom, |
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155 | ) ); |
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156 | conf_update_param('derivatives', addslashes($ser) ); |
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157 | file_put_contents(PHPWG_ROOT_PATH.$conf['data_location'].'derivatives.dat', $ser); |
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158 | } |
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159 | |
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160 | private static function make_default() |
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161 | { |
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162 | self::$watermark = new WatermarkParams(); |
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163 | self::$type_map[IMG_SQUARE] = new DerivativeParams( SizingParams::square(120,120) ); |
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164 | self::$type_map[IMG_THUMB] = new DerivativeParams( SizingParams::classic(144,144) ); |
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165 | self::$type_map[IMG_SMALL] = new DerivativeParams( SizingParams::classic(240,240) ); |
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166 | self::$type_map[IMG_MEDIUM] = new DerivativeParams( SizingParams::classic(432,432) ); |
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167 | self::$type_map[IMG_LARGE] = new DerivativeParams( SizingParams::classic(648,576) ); |
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168 | self::$type_map[IMG_XLARGE] = new DerivativeParams( SizingParams::classic(864,648) ); |
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169 | self::$type_map[IMG_XXLARGE] = new DerivativeParams( SizingParams::classic(1200,900) ); |
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170 | } |
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171 | |
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172 | static function apply_global($params) |
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173 | { |
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174 | if (!empty(self::$watermark->file) && |
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175 | (self::$watermark->min_size[0]<=$params->sizing->ideal_size[0] |
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176 | && self::$watermark->min_size[1]<=$params->sizing->ideal_size[1] ) ) |
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177 | { |
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178 | $params->use_watermark = true; |
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179 | } |
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180 | } |
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181 | |
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182 | private static function build_maps() |
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183 | { |
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184 | foreach (self::$type_map as $type=>$params) |
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185 | { |
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186 | $params->type = $type; |
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187 | self::apply_global($params); |
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188 | } |
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189 | self::$all_type_map = self::$type_map; |
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190 | |
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191 | for ($i=0; $i<count(self::$all_types); $i++) |
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192 | { |
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193 | $tocheck = self::$all_types[$i]; |
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194 | if (!isset(self::$type_map[$tocheck])) |
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195 | { |
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196 | for ($j=$i-1; $j>=0; $j--) |
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197 | { |
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198 | $target = self::$all_types[$j]; |
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199 | if (isset(self::$type_map[$target])) |
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200 | { |
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201 | self::$all_type_map[$tocheck] = self::$type_map[$target]; |
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202 | self::$undefined_type_map[$tocheck] = $target; |
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203 | break; |
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204 | } |
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205 | } |
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206 | } |
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207 | } |
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208 | } |
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209 | |
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210 | } |
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211 | |
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212 | ?> |
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