/**
* Adds any padding to the given image using the supplied padding config
*
* @param $img
* @param array $padding
* @return $img
*/
private function addPadding($img, $padding)
{
if (!$padding) {
return $img;
}
if (isset($padding['percent']) && is_numeric($padding['percent'])) {
$width = $img->getWidth() * (1 + $padding['percent'] / 100);
$height = $img->getHeight() * (1 + $padding['percent'] / 100);
} else {
if (isset($padding['pixels']) && is_numeric($padding['pixels'])) {
$width = $img->getWidth() + $padding['pixels'];
$height = $img->getHeight() + $padding['pixels'];
} else {
return $img;
}
}
$canvas = new sfImage();
$canvas->fill(0, 0, isset($padding['color']) ? $padding['color'] : '#ffffff')->resize($width, $height)->overlay($img, 'center');
return $canvas;
}
/**
* Apply the transformation to the image and returns the image thumbnail
*/
protected function transform(sfImage $image)
{
$resource_w = $image->getWidth();
$resource_h = $image->getHeight();
$scale_w = $this->getWidth() / $resource_w;
$scale_h = $this->getHeight() / $resource_h;
switch ($this->getMethod()) {
case 'deflate':
case 'inflate':
return $image->resize($this->getWidth(), $this->getHeight());
case 'left':
$image->scale(max($scale_w, $scale_h));
return $image->crop(0, (int) round(($image->getHeight() - $this->getHeight()) / 2), $this->getWidth(), $this->getHeight());
case 'right':
$image->scale(max($scale_w, $scale_h));
return $image->crop($image->getWidth() - $this->getWidth(), (int) round(($image->getHeight() - $this->getHeight()) / 2), $this->getWidth(), $this->getHeight());
case 'top':
$image->scale(max($scale_w, $scale_h));
return $image->crop((int) round(($image->getWidth() - $this->getWidth()) / 2), 0, $this->getWidth(), $this->getHeight());
case 'bottom':
$image->scale(max($scale_w, $scale_h));
return $image->crop((int) round(($image->getWidth() - $this->getWidth()) / 2), $image->getHeight() - $this->getHeight(), $this->getWidth(), $this->getHeight());
case 'center':
$image->scale(max($scale_w, $scale_h));
$left = (int) round(($image->getWidth() - $this->getWidth()) / 2);
$top = (int) round(($image->getHeight() - $this->getHeight()) / 2);
return $image->crop($left, $top, $this->getWidth(), $this->getHeight());
case 'scale':
return $image->scale(min($scale_w, $scale_h));
case 'fit':
default:
$img = clone $image;
$image->create($this->getWidth(), $this->getHeight());
// Set a background color if specified
if (!is_null($this->getBackground()) && $this->getBackground() != '') {
$image->fill(0, 0, $this->getBackground());
}
$img->scale(min($this->getWidth() / $img->getWidth(), $this->getHeight() / $img->getHeight()));
$image->overlay($img, 'center');
return $image;
}
}
/**
* Apply the transform to the sfImage object.
*
* @param sfImage
* @return sfImage
*/
protected function transform(sfImage $image)
{
$resource = $image->getAdapter()->getHolder();
imagesetthickness($resource, $this->thickness);
if (!is_null($this->fill)) {
if (!is_object($this->fill)) {
imagefilledellipse($resource, $this->x, $this->y, $this->width, $this->height, $image->getAdapter()->getColorByHex($resource, $this->fill));
}
if (is_object($this->fill)) {
imagefilledellipse($resource, $this->x, $this->y, $this->width, $this->height, $image->getAdapter()->getColorByHex($resource, $this->color));
$image->fill($this->x, $this->y, $this->fill);
}
if ($this->color !== "" && $this->fill !== $this->color) {
imageellipse($resource, $this->x, $this->y, $this->width, $this->height, $image->getAdapter()->getColorByHex($resource, $this->color));
}
} else {
imageellipse($resource, $this->x, $this->y, $this->width, $this->height, $image->getAdapter()->getColorByHex($resource, $this->color));
}
return $image;
}
/**
* Apply the transform to the sfImage object.
*
* @param sfImage
* @return sfImage
*/
protected function transform(sfImage $image)
{
$resource = $image->getAdapter()->getHolder();
if (!is_null($this->style)) {
imagesetstyle($resource, $this->style);
}
imagesetthickness($resource, $this->thickness);
if (!is_null($this->fill)) {
if (!is_object($this->fill)) {
imagefilledrectangle($resource, $this->x1, $this->y1, $this->x2, $this->y2, $image->getAdapter()->getColorByHex($resource, $this->fill));
}
if ($this->getColor() !== "" && $this->fill !== $this->getColor()) {
imagerectangle($resource, $this->x1, $this->y1, $this->x2, $this->y2, $image->getAdapter()->getColorByHex($resource, $this->getColor()));
}
if (is_object($this->fill)) {
$image->fill($this->x1 + $this->thickness, $this->y1 + $this->thickness, $this->fill);
}
} else {
imagerectangle($resource, $this->x1, $this->y1, $this->x2, $this->y2, $image->getAdapter()->getColorByHex($resource, $this->getColor()));
}
return $image;
}
