PHP Images::IsWritablePath方法代码示例

 /**
  * Create thumbnail for image in specified size
  * @param $objImage
  * @param $intNewWidth
  * @param $intNewHeight
  * @param $intType
  */
 protected function createThumb($objImage, $intNewWidth, $intNewHeight, $intType)
 {
     // Verify that the size doesn't already exist in the db (usually the original which
     // we don't want to overwrite)
     $objImageThumbnail = Images::LoadByRowidSize($objImage->id, $intType);
     if (!is_null($objImageThumbnail)) {
         return;
     }
     //Get our original file from Lightspeed
     $strOriginalFile = $objImage->image_path;
     $strTempThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight, 'temp');
     $strNewThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight);
     $strOriginalFileWithPath = Images::GetImagePath($strOriginalFile);
     $strTempThumbnailWithPath = Images::GetImagePath($strTempThumbnail);
     $strNewThumbnailWithPath = Images::GetImagePath($strNewThumbnail);
     $image = Yii::app()->image->load($strOriginalFileWithPath);
     $quality = _xls_get_conf('IMAGE_QUALITY', '75');
     $sharpness = _xls_get_conf('IMAGE_SHARPEN', '20');
     if ($sharpness != 0) {
         $image->resize($intNewWidth, $intNewHeight)->quality($quality)->sharpen($sharpness);
     } else {
         $image->resize($intNewWidth, $intNewHeight)->quality($quality);
     }
     if (Images::IsWritablePath($strNewThumbnail)) {
         if (_xls_get_conf('IMAGE_FORMAT', 'jpg') == 'jpg') {
             $strSaveFunc = 'imagejpeg';
             $strLoadFunc = "imagecreatefromjpeg";
         } else {
             $strSaveFunc = 'imagepng';
             $strLoadFunc = "imagecreatefrompng";
         }
         $image->save($strNewThumbnailWithPath);
         //just save normally with no special effects
         //See if we have a thumbnail record in our Images table, create or update
         $objThumbImage = Images::model()->findByAttributes(array('width' => $intNewWidth, 'height' => $intNewHeight, 'index' => $objImage->index, 'parent' => $objImage->id, 'product_id' => $objImage->product_id));
         if (!$objThumbImage instanceof Images) {
             $objThumbImage = new Images();
             Images::model()->deleteAllByAttributes(array('width' => $intNewWidth, 'height' => $intNewHeight, 'parent' => $objImage->id));
             //sanity check to prevent SQL UNIQUE errors
         }
         $objThumbImage->image_path = $strNewThumbnail;
         $objThumbImage->width = $intNewWidth;
         $objThumbImage->height = $intNewHeight;
         $objThumbImage->parent = $objImage->id;
         $objThumbImage->index = $objImage->index;
         $objThumbImage->product_id = $objImage->product_id;
         $objThumbImage->save();
     } else {
         Yii::log("Directory permissions error writing " . $strNewThumbnail, 'error', 'application.' . __CLASS__ . "." . __FUNCTION__);
     }
 }

 public static function resizeImage($imagePath, $intNewWidth, $intNewHeight)
 {
     if (strpos($imagePath, 'http') !== false) {
         return $imagePath;
     }
     //Get our original file from LightSpeed
     $strOriginalFile = $imagePath;
     $strTempThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight, 'temp');
     $strNewThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight);
     if (file_exists(Images::GetImagePath($strNewThumbnail))) {
         return Images::GetImageUri($strNewThumbnail, true);
     }
     $strOriginalFileWithPath = Images::GetImagePath($strOriginalFile);
     $strTempThumbnailWithPath = Images::GetImagePath($strTempThumbnail);
     $strNewThumbnailWithPath = Images::GetImagePath($strNewThumbnail);
     $image = Yii::app()->image->load($strOriginalFileWithPath);
     $image->resize($intNewWidth, $intNewHeight)->quality(_xls_get_conf('IMAGE_QUALITY', '75'))->sharpen(_xls_get_conf('IMAGE_SHARPEN', '20'));
     if (Images::IsWritablePath($strNewThumbnail)) {
         if (_xls_get_conf('IMAGE_FORMAT', 'jpg') == 'jpg') {
             $strSaveFunc = 'imagejpeg';
             $strLoadFunc = "imagecreatefromjpeg";
         } else {
             $strSaveFunc = 'imagepng';
             $strLoadFunc = "imagecreatefrompng";
         }
         $image->save($strTempThumbnailWithPath, false);
         try {
             $src = $strLoadFunc($strTempThumbnailWithPath);
             //We've saved the resize, so let's load it and resave it centered
             $dst_file = $strNewThumbnailWithPath;
             $dst = imagecreatetruecolor($intNewWidth, $intNewHeight);
             $colorFill = imagecolorallocate($dst, 255, 255, 255);
             imagefill($dst, 0, 0, $colorFill);
             if (_xls_get_conf('IMAGE_FORMAT', 'jpg') == 'png') {
                 imagecolortransparent($dst, $colorFill);
             }
             $arrOrigSize = getimagesize($strOriginalFileWithPath);
             $arrSize = Images::CalculateNewSize($arrOrigSize[0], $arrOrigSize[1], $intNewWidth, $intNewHeight);
             $intStartX = $intNewWidth / 2 - $arrSize[0] / 2;
             imagecopymerge($dst, $src, $intStartX, 0, 0, 0, $arrSize[0], $arrSize[1], 100);
             $strSaveFunc($dst, $dst_file);
             @unlink($strTempThumbnailWithPath);
         } catch (Exceiption $e) {
         }
         return Images::GetImageUri($strNewThumbnail, true);
     } else {
         Yii::log("Directory permissions error attempting to save " . $strNewThumbnail, 'error', 'application.' . __CLASS__ . "." . __FUNCTION__);
         return false;
     }
 }

 /**
  * ToDo: need to update and make photo processors use a more condensed version of this
  * Create Thumbnail from Lightspeed original file. Technically to Web Store, any resized copy of the original
  * whether larger or smaller is considered a "thumbnail".
  * @param $intNewWidth
  * @param $intNewHeight
  * @return bool|Images
  */
 public function CreateThumb($intNewWidth, $intNewHeight)
 {
     // Delete previous thumbbnail
     if ($this->id) {
         $objImage = Images::LoadByWidthParent($intNewWidth, $this->id);
         if ($objImage) {
             $objImage->Delete();
         }
     }
     //Get our original file from Lightspeed
     $strOriginalFile = $this->image_path;
     $strTempThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight, 'temp');
     $strNewThumbnail = Images::GetImageName($strOriginalFile, $intNewWidth, $intNewHeight);
     $strOriginalFileWithPath = Images::GetImagePath($strOriginalFile);
     $strTempThumbnailWithPath = Images::GetImagePath($strTempThumbnail);
     $strNewThumbnailWithPath = Images::GetImagePath($strNewThumbnail);
     $image = Yii::app()->image->load($strOriginalFileWithPath);
     $image->resize($intNewWidth, $intNewHeight)->quality(_xls_get_conf('IMAGE_QUALITY', '75'))->sharpen(_xls_get_conf('IMAGE_SHARPEN', '20'));
     if (Images::IsWritablePath($strNewThumbnail)) {
         if (_xls_get_conf('IMAGE_FORMAT', 'jpg') == 'jpg') {
             $strSaveFunc = 'imagejpeg';
             $strLoadFunc = "imagecreatefromjpeg";
         } else {
             $strSaveFunc = 'imagepng';
             $strLoadFunc = "imagecreatefrompng";
         }
         $image->save($strTempThumbnailWithPath, false);
         $src = $strLoadFunc($strTempThumbnailWithPath);
         //We've saved the resize, so let's load it and resave it centered
         $dst_file = $strNewThumbnailWithPath;
         $dst = imagecreatetruecolor($intNewWidth, $intNewHeight);
         $colorFill = imagecolorallocate($dst, 255, 255, 255);
         imagefill($dst, 0, 0, $colorFill);
         if (_xls_get_conf('IMAGE_FORMAT', 'jpg') == 'png') {
             imagecolortransparent($dst, $colorFill);
         }
         $arrOrigSize = getimagesize($strOriginalFileWithPath);
         $arrSize = Images::CalculateNewSize($arrOrigSize[0], $arrOrigSize[1], $intNewWidth, $intNewHeight);
         $intStartX = $intNewWidth / 2 - $arrSize[0] / 2;
         imagecopymerge($dst, $src, $intStartX, 0, 0, 0, $arrSize[0], $arrSize[1], 100);
         $strSaveFunc($dst, $dst_file);
         @unlink($strTempThumbnailWithPath);
         //We save it, then pass back to do a redir immediately
         //Make sure we don't have an existing record for whatever reason
         $objNew = Images::LoadByWidthHeightParent($intNewWidth, $intNewHeight, $this->id);
         if (!$objNew instanceof Images) {
             $objNew = new Images();
         }
         $objNew->image_path = $strNewThumbnail;
         $objNew->parent = $this->id;
         $objNew->width = $intNewWidth;
         $objNew->height = $intNewHeight;
         $objNew->index = $this->index;
         $objNew->product_id = $this->product_id;
         try {
             if (!$objNew->save()) {
                 Yii::log("Thumbnail creation error " . print_r($objNew->getErrors()), 'error', 'application.' . __CLASS__ . "." . __FUNCTION__);
             }
         } catch (Exception $objExc) {
             Yii::log("Thumbnail creation exception " . $objExc, 'error', 'application.' . __CLASS__ . "." . __FUNCTION__);
         }
         return $objNew;
     } else {
         Yii::log("Directory permissions error attempting to save " . $strNewThumbnail, 'error', 'application.' . __CLASS__ . "." . __FUNCTION__);
         return false;
     }
 }