Add $file parameter, format code

renderer.php

@@ -1,63 +1,84 @@
 <?php
-/* Render, please PHP by DevJjck, 2021
-Original Render, please by Lunnaholy */
-class Renderer {
-  public function __construct($x = 0, $y = 0) {
-    $this->startX = $x;
-    $this->startY = $y;
-  }
-
-  protected function hexColorAllocate($im,$hex){
-    $hex = ltrim($hex,'#');
-    $r = hexdec(substr($hex,0,2));
-    $g = hexdec(substr($hex,2,2));
-    $b = hexdec(substr($hex,4,2));
-    return imagecolorallocate($im, $r, $g, $b); 
-  }
-
-  public function render($ava, $type = 'jpeg') {
-    if(empty($ava)) throw new Exception('avatar cannot be empty');
-
-    $ava = str_replace("<UserAvatar><pixels>", "", $ava);
-    $ava = str_replace("</pixels></UserAvatar>", "", $ava);
-
-    $canvas = $this->processRender($ava);
-    ob_start(); 
-
-    if($type == 'jpeg') imagejpeg ($canvas, null, 100);
-    if($type == 'png' || $type = 'base64') imagepng ($canvas, null, 0);
-    $image_data = ob_get_contents(); 
-    ob_end_clean(); 
-    imagedestroy($canvas);
-
-    if($type == 'jpeg' || $type == 'png') {
-      $image = $image_data;
-    } else if($type == 'base64') {
-      $image = base64_encode($image_data);
-    } else {
-      throw new Exception('unknown image type');
+/* Render, please PHP by DevJjck, 2024
+ Original Render, please by Lunnaholy */
+class Renderer
+{
+    public function __construct($x = 0, $y = 0)
+    {
+        $this->startX = $x;
+        $this->startY = $y;
     }
-    return $image;
-  }
-
-  protected function processRender($ava) {
-    $canvas = imagecreatetruecolor(189,219);
-    $x = $this->startX;
-    $y = $this->startY;
-
-    for($index = 4; $index < strlen($ava); $index += 6){
-      $hexcolor = substr($ava, $index + 4, 2) . substr($ava, $index + 2, 2) . substr($ava, $index, 2);
-      $color = $this->hexColorAllocate($canvas, $hexcolor);
-      //imagefilledrectangle($canvas, $x, $y, 1, 1, $color);
-      imagesetpixel($canvas, $x, $y, $color);
-      $x++;
-      if($x == 189){ // go to new line
-        $x = 0;
-        $y++;
-        $index = $index + 2;
-      }
+
+    protected function hexColorAllocate($im, $hex)
+    {
+        $hex = ltrim($hex, '#');
+        $r = hexdec(substr($hex, 0, 2));
+        $g = hexdec(substr($hex, 2, 2));
+        $b = hexdec(substr($hex, 4, 2));
+        return imagecolorallocate($im, $r, $g, $b);
+    }
+
+    public function render($ava, $type = 'jpeg', $file = null)
+    {
+        if (empty($ava))
+            throw new Exception('Avatar cannot be empty');
+
+        if ($type == 'base64' && !empty($saveTo))
+            throw new Exception('Cannot save base64 image to file');
+
+        $ava = str_replace("<UserAvatar><pixels>", "", $ava);
+        $ava = str_replace("</pixels></UserAvatar>", "", $ava);
+
+        $canvas = $this->processRender($ava);
+
+        if (empty($file))
+            ob_start();
+
+        switch ($type) {
+            case 'jpeg':
+            case 'jpg':
+                $result = imagejpeg($canvas, $file, 100);
+                break;
+            case 'png':
+                $result = imagepng($canvas, $file, 0);
+                break;
+            case 'base64':
+                $result = imagepng($canvas, $file, 0);
+                break;
+            default:
+                throw new Exception('unknown image type');
+        }
+
+        if (empty($file)) {
+            $image = ob_get_contents();
+            ob_end_clean();
+            imagedestroy($canvas);
+            return $type !== 'base64' ? $image : base64_encode($image);
+        } else {
+            return $result;
+        }
+    }
+
+    protected function processRender($ava)
+    {
+        $canvas = imagecreatetruecolor(189, 219);
+
+        $x = $this->startX;
+        $y = $this->startY;
+
+        for ($index = 4; $index < strlen($ava); $index += 6) {
+            $hexcolor = substr($ava, $index + 4, 2) . substr($ava, $index + 2, 2) . substr($ava, $index, 2);
+            $color = $this->hexColorAllocate($canvas, $hexcolor);
+            imagesetpixel($canvas, $x, $y, $color);
+            $x++;
+            if ($x == 189) {
+                // go to new line
+                $x = 0;
+                $y++;
+                $index = $index + 2;
+            }
+        }
+        return $canvas;
     }
-    return $canvas;
-  }
 }
 ?>