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protected/modules/admin/controllers/WaterMarkController.php 1.94 KB
a1684257   Administrator   first commit
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  <?php
  
  class WaterMarkModel extends CFormModel
  {
      public $serverFile;
  }
  
  class WaterMarkController extends AdminController
  {
  
      public function actionIndex()
      {
          $model = new WaterMarkModel();
          if (isset($_POST['WaterMarkModel'])) {
              $model->setAttributes($_POST['WaterMarkModel'], false);
              foreach ($model->serverFile as $imagePath) {
                  $imagePath = substr($imagePath, 1);
                  $image_info = getimagesize($imagePath);
                  $imageType = $image_info[2];
                  $create = null;
                  $save = null;
                  switch ($imageType) {
                      case IMAGETYPE_JPEG:
                          $create = 'imagecreatefromjpeg';
                          $save = 'imagejpeg';
                          break;
                      case IMAGETYPE_GIF:
                          $create = 'imagecreatefromgif';
                          $save = 'imagegif';
                          break;
                      case IMAGETYPE_PNG:
                          $create = 'imagecreatefrompng';
                          $save = 'imagepng';
                          break;
                  }
  
                  $path = 'images/watermark.png';
                  if (!isset($create)) continue;
                  $mark = imagecreatefrompng($path);
                  $image = $create($imagePath);
                  $x = 0;
                  $y = 0;
                  $w = round(imagesx($mark) * imagesx($image) / 800);
                  $h = round(imagesy($mark) * imagesx($image) / 800);
  
                  imagealphablending($image, true);
                  imagesavealpha($image, true);
  
                  imagecopyresampled($image, $mark, $x, $y, 0, 0, $w, $h, imagesx($mark), imagesy($mark));
                  imagedestroy($mark);
                  $save($image, $imagePath);
              }
              Yii::app()->user->setFlash('images', $model->serverFile);
          }
          $this->render('index', array('model' => $model));
      }
  }