Пример #1
0
 public function crop()
 {
     # source
     $cropFrom = Request::get('crop-from');
     $cropTo = Request::get('crop-to');
     $fromPath = $this->getFullPath($cropFrom);
     $toPath = $this->getFullPath($cropTo);
     $layer = ImageWorkshop::initFromPath($fromPath);
     # cropping
     $newWidth = Request::get('width');
     // px
     $newHeight = Request::get('height');
     // px
     $positionX = Request::get('x');
     // left translation of 0px
     $positionY = Request::get('y');
     // top translation of 0px
     $position = "LT";
     // from Left Top corner
     $layer->cropInPixel($newWidth, $newHeight, $positionX, $positionY, $position);
     # saving
     $fileName = basename($toPath);
     $dirName = dirname($toPath);
     $createFolders = false;
     $backgroundColor = null;
     // transparent, only for PNG (otherwise it will be white if set null)
     $imageQuality = 95;
     // useless for GIF, usefull for PNG and JPEG (0 to 100%)
     $layer->save($dirName, $fileName, $createFolders, $backgroundColor, $imageQuality);
     return Response::json($cropTo);
 }
Пример #2
0
 /**
  * Crop the document
  *
  * $backgroundColor can be set transparent (but script could be long to execute)
  * $position: http://phpimageworkshop.com/doc/22/corners-positions-schema-of-an-image.html
  *
  * @param string $unit
  * @param mixed $width (integer or float)
  * @param mixed $height (integer or float)
  * @param mixed $positionX (integer or float)
  * @param mixed $positionY (integer or float)
  * @param string $position
  */
 public function crop($unit = self::UNIT_PIXEL, $width = 0, $height = 0, $positionX = 0, $positionY = 0, $position = 'LT')
 {
     if ($width < 0 || $height < 0) {
         throw new ImageWorkshopLayerException('You can\'t use negative $width or $height for "' . __METHOD__ . '" method.', static::ERROR_NEGATIVE_NUMBER_USED);
     }
     if ($unit == self::UNIT_PERCENT) {
         $width = round($width / 100 * $this->width);
         $height = round($height / 100 * $this->height);
         $positionX = round($positionX / 100 * $this->width);
         $positionY = round($positionY / 100 * $this->height);
     }
     if ($width != $this->width || $positionX == 0 || ($height != $this->height || $positionY == 0)) {
         if ($width == 0) {
             $width = 1;
         }
         if ($height == 0) {
             $height = 1;
         }
         $layerTmp = ImageWorkshop::initVirginLayer($width, $height);
         $layerClone = ImageWorkshop::initVirginLayer($this->width, $this->height);
         imagedestroy($layerClone->image);
         $layerClone->image = $this->image;
         $layerTmp->addLayer(1, $layerClone, -$positionX, -$positionY, $position);
         $newPos = $layerTmp->getLayerPositions();
         $layerNewPosX = $newPos[1]['x'];
         $layerNewPosY = $newPos[1]['y'];
         // update the layer
         $this->width = $layerTmp->getWidth();
         $this->height = $layerTmp->getHeight();
         $this->image = $layerTmp->getResult();
         unset($layerTmp);
         unset($layerClone);
         $this->updateLayerPositionsAfterCropping($layerNewPosX, $layerNewPosY);
     }
 }