+ $dest_width = $dest_height = 0;
+
+ if ((!$width)|| (!$height)) {
+ return false;
+ }
+
+ if ($width < $min && $height < $min) {
+ if ($width > $height) {
+ $dest_width = $min;
+ $dest_height = intval(($height * $min) / $width);
+ } else {
+ $dest_width = intval(($width * $min) / $height);
+ $dest_height = $min;
+ }
+ } else {
+ if ($width < $min) {
+ $dest_width = $min;
+ $dest_height = intval(($height * $min) / $width);
+ } else {
+ if ($height < $min) {
+ $dest_width = intval(($width * $min) / $height);
+ $dest_height = $min;
+ } else {
+ $dest_width = $width;
+ $dest_height = $height;
+ }
+ }
+ }
+
+ if ($this->is_imagick()) {
+ return $this->scaleImage($dest_width, $dest_height);
+ }
+
+ $dest = imagecreatetruecolor($dest_width, $dest_height);
+ imagealphablending($dest, false);
+ imagesavealpha($dest, true);
+ if ($this->type=='image/png') {
+ imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
+ }
+ imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
+ if ($this->image) {
+ imagedestroy($this->image);
+ }
+ $this->image = $dest;
+ $this->width = imagesx($this->image);
+ $this->height = imagesy($this->image);
+ }
+
+
+
+ public function scaleImageSquare($dim) {
+ if (!$this->is_valid()) {
+ return false;
+ }
+
+ if ($this->is_imagick()) {
+ $this->image->setFirstIterator();
+ do {
+ $this->image->scaleImage($dim, $dim);
+ } while ($this->image->nextImage());
+ return;
+ }
+
+ $dest = imagecreatetruecolor($dim, $dim);
+ imagealphablending($dest, false);
+ imagesavealpha($dest, true);
+ if ($this->type=='image/png') {
+ imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
+ }
+ imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
+ if ($this->image) {
+ imagedestroy($this->image);
+ }
+ $this->image = $dest;
+ $this->width = imagesx($this->image);
+ $this->height = imagesy($this->image);
+ }