Update Raw Data

Author: sdkcarlos

README.md

@@ -46,6 +46,8 @@ $instance = new PNGQuant();
 ```
 # Example
 
+Save the file directly into a directory with a file name.
+
 ```php
 // Include the class
 use ourcodeworld\PNGQuant\PNGQuant;
@@ -72,6 +74,43 @@ if(!$exit_code){
 }
 ```
 
+If you need the raw data of the image (store the binary data of the compressed image), you can use the `getRawOutput` function:
+
+```php
+// Include the class
+use ourcodeworld\PNGQuant\PNGQuant;
+
+$instance = new PNGQuant();
+
+// Set the path to the image to compress
+$result = $instance->setImage("/a-folder/image-original.png")
+    // Set the output filepath
+    ->setOutputImage("/a-folder/image-compressed.png")
+    // Overwrite output file if exists, otherwise pngquant will generate output ...
+    ->overwriteExistingFile()
+    // As the quality in pngquant isn't fixed (it uses a range)
+    // set the quality between 50 and 80
+    ->setQuality(50,80)
+    // Retrieve RAW data from pngquant
+    ->getRawOutput();
+
+$exit_code = $result["statusCode"];
+
+
+// if exit code is equal to 0 then everything went right !
+if($exit_code == 0){
+
+    $rawImage = imagecreatefromstring($result["imageData"]);
+
+    // Example Save the PNG Image from the raw data into a file or do whatever you want.
+    // imagepng($rawImage , 'newfile.png');
+
+    echo "Image succesfully compressed, do something with the raw Data";
+}else{
+    echo "Something went wrong (status code $exit_code)  with description: ". $instance->getErrorTable()[(string) $exit_code];
+}
+```
+
 # Documentation
 
 For further information and examples of the wrapper, please [visit the official documentation here](http://docs.ourcodeworld.com/projects/php-pngquant).

src/PNGQuant.php

@@ -163,6 +163,7 @@ function execute(){
      * Execute PNGQUANT with the providen commands and retrieve the generated image 
      * directly into a variable
      */
+    function getRawOutput(){
         // Create a temporal file in the system
         $fileName = uniqid().'.png';
         $temp_file = tempnam(sys_get_temp_dir(), $fileName);