/**
* Scale image to fit into a size range.
* Reduces to maximum size after possibly enlarging to minimum size.
* Range maximum has higher priority.
* For better resolution this method will first maximize and than minimize if both is needed.
* @access public
* @param integer $minWidth Minimum width
* @param integer $minHeight Minimum height
* @param integer $maxWidth Maximum width
* @param integer $maxHeight Maximum height
* @param boolean $interpolate Flag: use interpolation
* @param integer $maxMegaPixel Maxiumum megapixels
* @return object Processor object for chaining
*/
public function scaleToRange($minWidth, $minHeight, $maxWidth, $maxHeight, $interpolate, $maxMegaPixel = 50)
{
$width = $this->image->getWidth();
$height = $this->image->getHeight();
if ($width < $minWidth || $height < $minHeight) {
return $this->scaleUpToLimit($minWidth, $minHeight, $interpolate, $maxMegaPixel);
} else {
if ($width > $maxWidth || $height > $maxHeight) {
return $this->scaleDownToLimit($maxWidth, $maxHeight, $interpolate, $maxMegaPixel);
}
}
return $this;
}
/**
* Makes the image smoother.
* Applies a 9-cell convolution matrix where center pixel has the weight arg1 and others weight of 1.0.
* The result is normalized by dividing the sum with arg1 + 8.0 (sum of the matrix).
* Any float is accepted, large value (in practice: 2048 or more) = no change
* @access public
* @param integer $weight Level of smoothness
* @return boolean
*/
public function smooth($weight)
{
return imagefilter($this->image->getResource(), IMG_FILTER_SMOOTH, $weight);
}