add signature functionality

apis/index.php

@@ -1,55 +1,40 @@
 
 <?php
+session_start();
+echo isset($_FILES['file']['name']);
 if (isset($_POST['name']) && isset($_POST['event']) && isset($_POST['date']) &&isset($_POST['template'])) {
     // echo 'yes';
     $font = realpath('../Gabriola.ttf');
     $template = $_POST['template'];
     $image = imagecreatefromjpeg("../template/".$template);
     $color = imagecolorallocate($image, 19, 21, 22);
+    $srcImage = $_POST['sign'];
+    //signature resizing
+    $signature=imagecreatefromjpeg("../uploads/".$srcImage);  
+    $width = imagesx($signature);  
+    $height = imagesy($signature);
+    $targetHeight = 140;
+    $targetWidth = 300;
+    $targetImage = imagecreatetruecolor($targetWidth, $targetHeight);
+    imagecopyresampled($targetImage, $signature, 0, 0, 0, 0, $targetWidth, $targetHeight, $width, $height);
+    $size = getimagesize("../template/".$template);  
+    //position in template to place sign
+    $dest_x =round($size[0]) - 400;  
+    $dest_y =round($size[1]) - 300;  
     imagettftext($image, 50, 0, 800, 600, $color, $font, $_POST['name']);
     imagettftext($image, 50, 0, 800, 900, $color, $font, $_POST['event']);
     imagettftext($image, 50, 0, 1200, 900, $color, $font, $_POST['date']);
+    //merge signature
+    imagecopy($image, $targetImage, $dest_x , $dest_y, 0, 0, $targetWidth, $targetHeight);
     $file = $_POST['name']."_".$_POST['event']."_".$_POST['date'];
     imagejpeg($image, "../certificates/" . $file . ".jpg");
     imagedestroy($image);
-    session_start();
     $_SESSION['certificate'] = "../certificates/" . $file . ".jpg";
     if(isset($_SESSION['certificate'])){
         echo(json_encode(array('status'=>'success','message' => $file)));
     }
 }
-
-// Upload Signature
-if(isset($_FILES['Signature'])){
-  echo "alert('Working!')";
-  $errors= array();
-  $file_name = $_FILES['Signature']['name'];
-  $file_size =$_FILES['Signature']['size'];
-  $file_tmp =$_FILES['Signature']['tmp_name'];
-  $file_type=$_FILES['Signature']['type'];
-  $tmp = explode('.',$_FILES['Signature']['name']);
-  $file_ext=strtolower(end($tmp));
-
-  $extensions= array("jpeg","jpg","png");
-
-  if(in_array($file_ext,$extensions)=== false){
-     $errors[]="extension not allowed, please choose a JPEG or PNG file.";
-  }
-
-  if($file_size > 2097152){
-     $errors[]='File size must be exactely 2 MB';
-  }
-
-  if(empty($errors)==true){
-     move_uploaded_file($file_tmp,"../uploads/".$file_name);
-     echo "Success";
-  }else{
-     print_r($errors);
-  }
-
-  $redirectUrl = '../index.html';
-   echo '<script type="application/javascript">alert("Upload SUccessful!."); window.location.href = "'.$redirectUrl.'";</script>';
-}
+
 
 
 ?> 

apis/signature_upload.php

@@ -0,0 +1,35 @@
+<?php 
+session_start();
+if (isset($_FILES["file"]["name"])) {
+    $extension = array('jpg', 'jpeg');
+    $errors = array();
+    $path = "../uploads/";
+    $uploadThisFile = true;
+    $file_name=$_FILES["file"]["name"];
+    $file_tmp=$_FILES["file"]["tmp_name"];
+    $file_size = $_FILES["file"]["size"];
+    $ext=pathinfo($file_name,PATHINFO_EXTENSION);
+    if(!in_array(strtolower($ext),$extension))
+    {
+        array_push($errors, "File type is invalid. Name:- ".$file_name);
+        $uploadThisFile = false;
+    }     
+    if($file_size > 2097152){
+        $errors[]='File size must be less than 2 MB';
+        $uploadThisFile = false;
+    }           
+    if($uploadThisFile){
+        move_uploaded_file($_FILES["file"]["tmp_name"],$path.$file_name);
+        if(file_exists($path.$file_name)){
+            echo(json_encode(array('status' => 'success', 'result' => $file_name)));
+        }	
+	}else{
+		echo(json_encode(array('status' => 'error', 'result' => "The files should be jpeg/jpg. Problem while uploading")));
+	}
+
+}
+else
+{
+    echo(json_encode(array('status'=>'error','result' => 'No file selected'))); 
+}
+?>