Image tweaks

jannisnikoy · Apr 22, 2024 · 1362059 · 1362059
1 parent 317ee64
commit 1362059
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Showing 2 changed files with 118 additions and 0 deletions.
diff --git a/src/Files.php b/src/Files.php
@@ -37,5 +37,39 @@ public static function getFilesInDirectory(string $directory, string $extension
 
         return $files;
     }
+
+    public static function getFileFromBucket(?string $bucket, string $fileId, ?int $width, ?int $height): mixed {
+        global $db, $config;
+
+        if(isset($bucket)) {
+            $db->query("SELECT * FROM exm_storage_bucket WHERE id = ? AND bucket_id=?", $fileId, $bucket); 
+        } else {
+            $db->query("SELECT * FROM exm_storage_bucket WHERE id = ?", $fileId);
+        }
+
+        if($db->hasRows()) {
+            $row = $db->getRow();
+
+            $mime = explode('/', $row->mime_type);
+            $extension = $mime[1];
+            $extension = str_replace('jpeg', 'jpg', $extension);
+
+            $filePath = $config->get('storage_dir') . $row->id . '.' . $extension;
+
+            if(file_exists($filePath)) { 
+                header('Content-Type: ' . $row->mime_type);
+                if(Image::isImage($filePath) && (isset($width) || isset($height))) {
+                    Image::resizeImage($filePath, $width ?? null, $height ?? null);
+                } else {
+                    echo file_get_contents($filePath);
+                }
+                return $row;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
 }
 ?>
diff --git a/src/Image.php b/src/Image.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Athos\Foundation;
+
+/**
+* Image
+* Basic Image resizing
+*
+* @package  athos-foundation
+* @author   Jannis Nikoy <[email protected]>
+* @license  MIT
+* @link     https://github.com/jannisnikoy/athos-foundation
+*/
+
+class Image {
+    public static function isImage($fileName): bool {
+        $type = exif_imagetype($fileName);
+        $supportedTypes = [IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG];
+
+        return in_array($type, $supportedTypes);
+    }
+
+    public static function resizeImage($originalFile, $newWidth = null, $newHeight = null): bool {
+        $type = exif_imagetype($originalFile);
+
+        switch ($type) {
+            case IMAGETYPE_GIF:
+                $srcImg = imagecreatefromgif($originalFile);
+                break;
+            case IMAGETYPE_JPEG:
+                $srcImg = imagecreatefromjpeg($originalFile);
+                break;
+            case IMAGETYPE_PNG:
+                $srcImg = imagecreatefrompng($originalFile);
+                break;
+        }
+
+        $width = imagesx($srcImg);
+        $height = imagesy($srcImg);
+
+        if (isset($newWidth) && $newWidth > 0) {
+            $ratio = $width / $newWidth;
+            $newHeight = $height / $ratio;
+        } elseif (isset($newHeight) && $newHeight > 0) {
+            $ratio = $height / $newHeight;
+            $newWidth = $width / $ratio;
+        } else {
+            return false; 
+        }
+
+        $newImg = imagecreatetruecolor($newWidth, $newHeight);
+
+        if ($type == IMAGETYPE_GIF || $type == IMAGETYPE_PNG) {
+            imagecolortransparent(
+                $newImg,
+                imagecolorallocatealpha($newImg, 0, 0, 0, 127)
+            );
+
+            imagealphablending($newImg, false);
+            imagesavealpha($newImg, true);
+        }
+
+        imagecopyresampled($newImg, $srcImg, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
+
+
+        switch ($type) {
+            case IMAGETYPE_GIF:
+                imagegif($newImg);
+                break;
+            case IMAGETYPE_JPEG:
+                imagejpeg($newImg, null, 90);
+                break;
+            case IMAGETYPE_PNG:
+                imagepng($newImg);
+                break;
+        }
+
+        imagedestroy($srcImg);
+        imagedestroy($newImg);
+
+        return true;
+    }
+}
+?>