/**
* Resamples the image to the maximum Height and Width
*/
public function resampleImage()
{
$extension = strtolower($this->owner->getExtension());
if ($this->owner->getHeight() > $this->getMaxX() || $this->owner->getWidth() > $this->getMaxY()) {
$original = $this->owner->getFullPath();
$resampled = $original . '.tmp.' . $extension;
$gd = new GD($original);
if ($gd->hasImageResource()) {
$gd = $gd->resizeRatio($this->getMaxX(), $this->getMaxY());
if ($gd) {
$gd->writeTo($resampled);
unlink($original);
rename($resampled, $original);
}
}
}
}
public function ScaleUpload()
{
/* don't use Image->exists() as it is implemented differently for Image */
if ($this->owner->ID > 0 || $this->getBypass()) {
return;
// only run with new images
}
$extension = $this->owner->getExtension();
if ($this->owner->getHeight() > $this->getMaxHeight() || $this->owner->getWidth() > $this->getMaxWidth() || $this->getAutoRotate() && preg_match('/jpe?g/i', $extension)) {
$original = $this->owner->getFullPath();
/* temporary location for image manipulation */
$resampled = TEMP_FOLDER . '/resampled-' . mt_rand(100000, 999999) . '.' . $extension;
$gd = new GD($original);
/* Backwards compatibility with SilverStripe 3.0 */
$image_loaded = method_exists('GD', 'hasImageResource') ? $gd->hasImageResource() : $gd->hasGD();
if ($image_loaded) {
/* Clone original */
$transformed = $gd;
/* If rotation allowed & JPG, test to see if orientation needs switching */
if ($this->getAutoRotate() && preg_match('/jpe?g/i', $extension)) {
$switch_orientation = $this->exifRotation($original);
if ($switch_orientation) {
$transformed = $transformed->rotate($switch_orientation);
}
}
/* Resize to max values */
if ($transformed && ($transformed->getWidth() > $this->getMaxWidth() || $transformed->getHeight() > $this->getMaxHeight())) {
$transformed = $transformed->resizeRatio($this->getMaxWidth(), $this->getMaxHeight());
}
/* Write to tmp file and then overwrite original */
if ($transformed) {
$transformed->writeTo($resampled);
file_put_contents($original, file_get_contents($resampled));
unlink($resampled);
}
}
}
}
