1 | <?php |
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2 | |
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3 | final class SrcImage |
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4 | { |
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5 | public $rel_path; |
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6 | |
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7 | public $coi=null; |
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8 | private $size=null; |
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9 | |
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10 | function __construct($infos) |
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11 | { |
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12 | global $conf; |
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13 | |
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14 | $ext = get_extension($infos['path']); |
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15 | if (in_array($ext, $conf['picture_ext'])) |
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16 | { |
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17 | $this->rel_path = $infos['path']; |
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18 | } |
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19 | elseif (!empty($infos['representative_ext'])) |
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20 | { |
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21 | $pi = pathinfo($infos['path']); |
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22 | $file_wo_ext = get_filename_wo_extension($pi['basename']); |
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23 | $this->rel_path = $pi['dirname'].'/pwg_representative/' |
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24 | .$file_wo_ext.'.'.$infos['representative_ext']; |
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25 | } |
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26 | else |
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27 | { |
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28 | $this->rel_path = get_themeconf('mime_icon_dir').strtolower($ext).'.png'; |
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29 | } |
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30 | |
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31 | $this->coi = @$infos['coi']; |
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32 | if (isset($infos['width']) && isset($infos['height'])) |
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33 | { |
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34 | $this->size = array($infos['width'], $infos['height']); |
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35 | } |
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36 | } |
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37 | |
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38 | function has_size() |
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39 | { |
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40 | return $this->size != null; |
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41 | } |
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42 | |
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43 | function get_size() |
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44 | { |
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45 | if ($this->size == null) |
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46 | not_implemented(); // get size from file |
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47 | return $this->size; |
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48 | } |
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49 | } |
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50 | |
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51 | |
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52 | |
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53 | final class DerivativeImage |
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54 | { |
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55 | const SAME_AS_SRC = 0x10; |
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56 | |
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57 | public $src_image; |
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58 | |
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59 | private $requested_type; |
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60 | |
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61 | private $flags = 0; |
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62 | private $params; |
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63 | private $rel_path, $rel_url; |
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64 | |
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65 | function __construct($type, $src_image) |
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66 | { |
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67 | $this->src_image = $src_image; |
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68 | if (is_string($type)) |
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69 | { |
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70 | $this->requested_type = $type; |
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71 | $this->params = ImageStdParams::get_by_type($type); |
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72 | } |
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73 | else |
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74 | { |
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75 | $this->requested_type = IMG_CUSTOM; |
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76 | $this->params = $type; |
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77 | } |
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78 | |
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79 | self::build($src_image, $this->params, $this->rel_path, $this->rel_url, $this->flags); |
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80 | } |
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81 | |
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82 | static function thumb_url($infos) |
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83 | { |
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84 | $src_image = new SrcImage($infos); |
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85 | self::build($src_image, ImageStdParams::get_by_type(IMG_THUMB), $rel_path, $rel_url); |
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86 | return get_root_url().$rel_url; |
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87 | } |
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88 | |
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89 | static function url($type, $infos) |
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90 | { |
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91 | $src_image = new SrcImage($infos); |
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92 | $params = is_string($type) ? ImageStdParams::get_by_type($type) : $type; |
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93 | self::build($src_image, $params, $rel_path, $rel_url); |
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94 | return get_root_url().$rel_url; |
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95 | } |
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96 | |
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97 | static function get_all($infos) |
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98 | { |
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99 | $src_image = new SrcImage($infos); |
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100 | $ret = array(); |
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101 | foreach (ImageStdParams::get_defined_type_map() as $type => $params) |
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102 | { |
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103 | $derivative = new DerivativeImage($params, $src_image); |
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104 | $ret[$type] = $derivative; |
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105 | } |
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106 | foreach (ImageStdParams::get_undefined_type_map() as $type => $type2) |
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107 | { |
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108 | $ret[$type] = $ret[$type2]; |
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109 | } |
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110 | |
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111 | return $ret; |
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112 | } |
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113 | |
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114 | private static function build($src, &$params, &$rel_path, &$rel_url, &$flags = null) |
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115 | { |
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116 | if ( $src->has_size() && $params->is_identity( $src->get_size() ) ) |
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117 | { |
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118 | // todo - what if we have a watermark maybe return a smaller size? |
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119 | $flags |= self::SAME_AS_SRC; |
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120 | $params = null; |
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121 | $rel_path = $rel_url = $src->rel_path; |
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122 | return; |
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123 | } |
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124 | |
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125 | $tokens=array(); |
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126 | $tokens[] = substr($params->type,0,2); |
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127 | |
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128 | if (!empty($src->coi)) |
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129 | { |
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130 | $tokens[] = 'ci'.$src->coi; |
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131 | } |
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132 | |
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133 | if ($params->type==IMG_CUSTOM) |
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134 | { |
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135 | $params->add_url_tokens($tokens); |
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136 | } |
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137 | |
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138 | $loc = $src->rel_path; |
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139 | if (substr_compare($loc, '../', 0, 3)==0) |
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140 | { |
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141 | $loc = substr($loc, 3); |
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142 | } |
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143 | $loc = substr_replace($loc, '-'.implode('_', $tokens), strrpos($loc, '.'), 0 ); |
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144 | |
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145 | $rel_path = PWG_DERIVATIVE_DIR.$loc; |
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146 | |
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147 | global $conf; |
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148 | $url_style=$conf['derivative_url_style']; |
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149 | if (!$url_style) |
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150 | { |
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151 | $mtime = @filemtime(PHPWG_ROOT_PATH.$rel_path); |
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152 | if ($mtime===false) |
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153 | { |
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154 | $url_style = 2; |
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155 | } |
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156 | else |
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157 | { |
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158 | $url_style = 1; |
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159 | } |
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160 | } |
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161 | |
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162 | if ($url_style == 2) |
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163 | { |
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164 | $rel_url = 'i'; |
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165 | if ($conf['php_extension_in_urls']) $rel_url .= '.php'; |
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166 | if (!$conf['question_mark_in_urls']) $rel_url.= '?'; |
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167 | $rel_url .= $loc; |
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168 | } |
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169 | else |
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170 | { |
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171 | $rel_url = $rel_path; |
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172 | } |
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173 | } |
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174 | |
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175 | function get_url() |
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176 | { |
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177 | return get_root_url().$this->rel_url; |
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178 | } |
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179 | |
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180 | function same_as_source() |
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181 | { |
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182 | return $this->flags & self::SAME_AS_SRC; |
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183 | } |
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184 | |
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185 | |
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186 | /* returns the size of the derivative image*/ |
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187 | function get_size() |
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188 | { |
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189 | if ($this->flags & self::SAME_AS_SRC) |
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190 | { |
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191 | return $this->src_image->get_size(); |
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192 | } |
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193 | return $this->params->compute_final_size($this->src_image->get_size(), $this->src_image->coi); |
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194 | } |
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195 | |
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196 | function get_size_htm() |
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197 | { |
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198 | $size = $this->get_size(); |
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199 | if ($size) |
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200 | { |
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201 | return 'width="'.$size[0].'" height="'.$size[1].'"'; |
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202 | } |
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203 | } |
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204 | |
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205 | function get_size_hr() |
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206 | { |
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207 | $size = $this->get_size(); |
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208 | if ($size) |
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209 | { |
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210 | return $size[0].' x '.$size[1]; |
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211 | } |
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212 | } |
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213 | |
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214 | } |
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215 | |
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216 | ?> |
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