00001 <?php
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00035 class Mage_Media_Model_File_Image extends Mage_Core_Model_Resource_Abstract
00036 {
00037
00038
00039
00040 protected function _construct()
00041 {
00042 return $this;
00043 }
00044
00045
00046
00047
00048 protected function _getReadAdapter()
00049 {
00050 return false;
00051 }
00052
00053
00054
00055
00056 protected function _getWriteAdapter()
00057 {
00058 return false;
00059 }
00060
00061 public function load(Mage_Media_Model_Image $object, $file, $field=null)
00062 {
00063
00064 return $this;
00065 }
00066
00067 public function save(Mage_Media_Model_Image $object)
00068 {
00069
00070 return $this;
00071 }
00072
00073 public function delete(Mage_Media_Model_Image $object)
00074 {
00075 return $this;
00076 }
00077
00078
00079
00080
00081
00082
00083
00084 public function getImage(Mage_Media_Model_Image $object)
00085 {
00086 $resource = false;
00087 switch(strtolower($object->getExtension())) {
00088 case 'jpg':
00089 case 'jpeg':
00090 $resource = imagecreatefromjpeg($object->getFilePath());
00091 break;
00092
00093 case 'gif':
00094 $resource = imagecreatefromgif($object->getFilePath());
00095 break;
00096
00097 case 'png':
00098 $resource = imagecreatefrompng($object->getFilePath());
00099 break;
00100 }
00101
00102 if(!$resource) {
00103 Mage::throwException(Mage::helper('media')->__('Image not exists or invalid'));
00104 }
00105
00106
00107 return $resource;
00108 }
00109
00110
00111
00112
00113
00114
00115
00116 public function getTmpImage(Mage_Media_Model_Image $object)
00117 {
00118 $resource = imagecreatetruecolor($object->getDestanationDimensions()->getWidth(), $object->getDestanationDimensions()->getHeight());
00119 return $resource;
00120 }
00121
00122
00123
00124
00125
00126
00127
00128 public function resize(Mage_Media_Model_Image $object)
00129 {
00130 $tmpImage = $object->getTmpImage();
00131 $sourceImage = $object->getImage();
00132
00133 imagecopyresampled(
00134 $tmpImage,
00135 $sourceImage,
00136 0, 0, 0, 0,
00137 $object->getDestanationDimensions()->getWidth(),
00138 $object->getDestanationDimensions()->getHeight(),
00139 $object->getDimensions()->getWidth(),
00140 $object->getDimensions()->getHeight()
00141 );
00142
00143 return $this;
00144 }
00145
00146
00147
00148
00149
00150
00151
00152 public function watermark(Mage_Media_Model_Image $object)
00153 {
00154 return $this;
00155 }
00156
00157
00158
00159
00160
00161
00162
00163
00164 public function saveAs(Mage_Media_Model_Image $object, $extension=null)
00165 {
00166 if(is_null($extension)) {
00167 $extension = $object->getExtension();
00168 }
00169
00170 $result = false;
00171 switch (strtolower($extension)) {
00172 case 'jpg':
00173 case 'jpeg':
00174 $result = imagejpeg($object->getTmpImage(), $object->getFilePath(true), 80);
00175 break;
00176 case 'gif':
00177 $result = imagegif($object->getTmpImage(), $object->getFilePath(true));
00178 break;
00179 case 'png':
00180 $result = imagepng($object->getTmpImage(), $object->getFilePath(true));
00181 break;
00182 }
00183
00184 if(!$result) {
00185 Mage::throwException(Mage::helper('media')->__('Error while creating image'));
00186 }
00187
00188 return $this;
00189 }
00190
00191
00192
00193
00194
00195
00196
00197 public function getDimensions(Mage_Media_Model_Image $object)
00198 {
00199 $info = @getimagesize($object->getFilePath());
00200 if(!$info) {
00201 Mage::throwException(Mage::helper('media')->__('Image not exists or invalid'));
00202 }
00203
00204 $info = array('width'=>$info[0], 'height'=>$info[1], 'type'=>$info[2]);
00205 return new Varien_Object($info);
00206 }
00207
00208
00209
00210
00211
00212
00213 public function destroyResource(&$resource)
00214 {
00215 imagedestroy($resource);
00216 return $this;
00217 }
00218
00219
00220
00221
00222
00223
00224 public function hasSpecialImage(Mage_Media_Model_Image $object)
00225 {
00226 if(file_exists($object->getFilePath(true))) {
00227 return true;
00228 }
00229
00230 return false;
00231 }
00232
00233
00234 }