1 files changed, 48 insertions, 0 deletions
diff --git a/src/images.php b/src/images.php
new file mode 100644
index 0000000..0e09814
--- /dev/null
+++ b/src/images.php
@@ -0,0 +1,48 @@
+<?php
+function resize_image(string $src_path, string $dst_path, int $max_width, int $max_height): string|null
+{
+    if ($src_path == "" || !getimagesize($src_path)) {
+        return json_encode([
+            "status_code" => 400,
+            "message" => "Not an image",
+            "data" => null
+        ]);
+    }
+
+    $imagick = new Imagick();
+
+    $imagick->readImage($src_path);
+    $format = strtolower($imagick->getImageFormat());
+
+    if ($imagick->getNumberImages() > 1) {
+        $imagick = $imagick->coalesceImages();
+
+        foreach ($imagick as $frame) {
+            $width = $frame->getImageWidth();
+            $height = $frame->getImageHeight();
+            $ratio = min($max_width / $width, $max_height / $height);
+            $new_width = (int) ($width * $ratio);
+            $new_height = (int) ($height * $ratio);
+
+            $frame->resizeImage($new_width, $new_height, Imagick::FILTER_TRIANGLE, 1);
+            $frame->setImagePage($new_width, $new_height, 0, 0);
+        }
+
+        $imagick = $imagick->deconstructImages();
+        $imagick->writeImages("$dst_path.$format", true);
+    } else {
+        $width = $imagick->getImageWidth();
+        $height = $imagick->getImageHeight();
+        $ratio = min($max_width / $width, $max_height / $height);
+        $new_width = (int) ($width * $ratio);
+        $new_height = (int) ($height * $ratio);
+
+        $imagick->resizeImage($new_width, $new_height, Imagick::FILTER_TRIANGLE, 1);
+        $imagick->writeImage("$dst_path.$format");
+    }
+
+    $imagick->clear();
+    $imagick->destroy();
+
+    return null;
+}
+\ No newline at end of file