Added Functionality for Circular images

.gitignore

@@ -0,0 +1,12 @@
+/node_modules
+/public/hot
+/public/storage
+/storage/*.key
+/vendor
+/.idea
+/.vagrant
+Homestead.json
+Homestead.yaml
+npm-debug.log
+yarn-error.log
+.env

CircleCrop.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: kushagra
+ * Date: 05/10/17
+ * Time: 11:17 PM
+ */
+
+namespace App;
+
+
+class CircleCrop
+{
+    private $src_img;
+    private $src_w;
+    private $src_h;
+    private $dst_img;
+    private $dst_w;
+    private $dst_h;
+
+    public function __construct($img, $dstWidth, $dstHeight)
+    {
+        $this->src_img = $img;
+        $this->src_w = imagesx($img);
+        $this->src_h = imagesy($img);
+        $this->dst_w = $dstWidth;
+        $this->dst_h = $dstHeight;
+    }
+
+    public function __destruct()
+    {
+        if (is_resource($this->dst_img))
+        {
+            imagedestroy($this->dst_img);
+        }
+    }
+
+    public function display()
+    {
+        header("Content-type: image/png");
+        imagepng($this->dst_img);
+        return $this;
+    }
+
+    public function reset()
+    {
+        if (is_resource(($this->dst_img)))
+        {
+            imagedestroy($this->dst_img);
+        }
+        $this->dst_img = imagecreatetruecolor($this->dst_w, $this->dst_h);
+        imagecopy($this->dst_img, $this->src_img, 0, 0, 0, 0, $this->dst_w, $this->dst_h);
+        return $this;
+    }
+
+    public function size($dstWidth, $dstHeight)
+    {
+        $this->dst_w = $dstWidth;
+        $this->dst_h = $dstHeight;
+        return $this->reset();
+    }
+
+    public function crop()
+    {
+        $this->reset();
+
+        $mask = imagecreatetruecolor($this->dst_w, $this->dst_h);
+        $maskTransparent = imagecolorallocate($mask, 255, 0, 255);
+        imagecolortransparent($mask, $maskTransparent);
+        imagefilledellipse($mask, $this->dst_w / 2, $this->dst_h / 2, $this->dst_w, $this->dst_h, $maskTransparent);
+
+        imagecopymerge($this->dst_img, $mask, 0, 0, 0, 0, $this->dst_w, $this->dst_h, 100);
+
+        $dstTransparent = imagecolorallocate($this->dst_img, 255, 0, 255);
+        imagefill($this->dst_img, 0, 0, $dstTransparent);
+        imagefill($this->dst_img, $this->dst_w - 1, 0, $dstTransparent);
+        imagefill($this->dst_img, 0, $this->dst_h - 1, $dstTransparent);
+        imagefill($this->dst_img, $this->dst_w - 1, $this->dst_h - 1, $dstTransparent);
+        imagecolortransparent($this->dst_img, $dstTransparent);
+
+        return $this;
+    }
+}

code.php

@@ -23,6 +23,8 @@
 
 */
 
+use App\CircleCrop;
+
 if ( isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
 	// If the browser has a cached version of this image, send 304
 	header( 'Last-Modified: ' . $_SERVER['HTTP_IF_MODIFIED_SINCE'], true, 304 );
@@ -200,8 +202,16 @@ function( $matches ) {
 //Determine where to set the Y position of the text box so it is centered
 $textY = ceil( ( $height - $textHeight ) / 2 + $textHeight );
 
-//Create the rectangle with the specified background color
-imageFilledRectangle( $img, 0, 0, $width, $height, $bg_color );
+
+if (isset($_GET['circular']) && $_GET['circular'] == 'true') {
+    $width = imagesx($img);
+    $height = imagesy($img);
+    $img = new CircleCrop($img, $width, $height);
+} else {
+    //Create the rectangle with the specified background color
+    imageFilledRectangle( $img, 0, 0, $width, $height, $bg_color );
+}
+
 //Create and positions the text
 imagettftext( $img, $fontsize, $text_angle, $textX, $textY, $fg_color, $font, $text );