Merge pull request #3 from bencagri/master

Enable adding multiple lines
dngo-io · Jun 19, 2018 · f504e96 · f504e96
2 parents 038c7ab + ca586eb
commit f504e96
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Showing 3 changed files with 100 additions and 50 deletions.
diff --git a/README.md b/README.md
@@ -18,7 +18,7 @@ require ("vendor/autoload.php");
 
 use DngoIO\CoverCreator\Generator;
 
-$selectors = [
+$text1 = [
         'font-size' => 18,  //px
         'font-type' => __DIR__ . '../assets/Roboto-Regular.ttf', //path of ttf file on server
         'text-color' => [61,183,228],
@@ -27,9 +27,26 @@ $selectors = [
         'background-url' => __DIR__ . '../assets/background.jpg' //path of the png
     ];
 
+$text2 = [
+        'font-size' => 12,  //px
+        'font-type' => __DIR__ . '../assets/Roboto-Italic.ttf', //path of ttf file on server
+        'text-color' => [61,183,228],
+        'left' => 50,
+        'top' => 30,
+    ];
 
+
+$config = [
+        'auto-center' => true,
+        'angle' => 0,
+        'header' => 'Content-type: image/jpeg',
+    ];
+
 try {
-    $generator = new Generator("My Text On Image", $selectors);
+    $generator = new Generator();
+    $generator->setConfig($config); //or new Generator($config)
+    $generator->addLine('My First Text', $text1);
+    $generator->addLine('Second ine Text', $text2);
     $generator->generate();
 }catch (\Exception $e) {
     echo $e->getMessage();

diff --git a/src/Generator.php b/src/Generator.php
@@ -3,66 +3,118 @@
 namespace DngoIO\CoverCreator;
 
 
+use DngoIO\CoverCreator\Exception\InvalidTypeException;
 use DngoIO\CoverCreator\Selectors;
+use DngoIO\CoverCreator\Selectors\SelectorValidator;
 
 class Generator
 {
 
+    /** @var array  */
     protected $selectors;
 
+    /** @var array  */
     protected $config;
 
-    protected $text;
+    /** @var array  */
+    protected $texts = [];
 
-    public function __construct($text, array $selectors = [], array $configVars = [])
+    /**
+     * Generator constructor.
+     * @param array $configVars
+     */
+    public function __construct(array $configVars = [])
     {
-        //merge selectors with default values
-        $selectors = array_merge((new Config)->getSelectors(), $selectors);
-        $this->selectors = new Selectors($selectors);
-
-        //merge config with default values
-        $this->config = array_merge((new Config)->getConfig(), $configVars);
-
-        $this->text = $text;
+        $this->setConfig($configVars);
     }
 
+    /**
+     * Generate the image
+     */
     public function generate()
     {
-
         //Set the Content Type
         header($this->config['header']);
 
-        // Create Image From Existing File
+        $image = null;
 
-        $image = imagecreatefrompng($this->selectors['background-url']);
+        foreach ($this->texts as $text => $selector) {
 
-        // Allocate A Color For The Text
-        $text_color = imagecolorallocate($image, $this->selectors['text-color'][0],$this->selectors['text-color'][1], $this->selectors['text-color'][2]);
-        $font_size = $this->selectors['font-size'];
-        $angle = $this->config['angle'];
+            // Create Image From Existing File
+            $image = imagecreatefrompng($selector['background-url']);
 
-        $text = $this->text;
-        $font_path = $this->selectors['font-type'];
+            // Allocate A Color For The Text
+            $text_color = imagecolorallocate($image, $selector['text-color'][0], $selector['text-color'][1], $selector['text-color'][2]);
+            $font_size = $selector['font-size'];
+            $angle = $this->config['angle'];
 
-        $x = $this->selectors['left'];
-        $y = $this->selectors['top'];
+            $font_path = $selector['font-type'];
 
-        if($this->config['auto-center']) {
-            $center = $this->autoCenter($image,$font_size,$angle,$font_path,$text);
-            $x = $x + $center['x'];
-            $y = $y + $center['y'];
-        }
+            $x = $selector['left'];
+            $y = $selector['top'];
 
-        imagettftext($image, $font_size, $angle, $x, $y, $text_color, $font_path, $text);
+            if ($this->config['auto-center']) {
+                $center = $this->autoCenter($image, $font_size, $angle, $font_path, $text);
+                $x = $x + $center['x'];
+                $y = $y + $center['y'];
+            }
+
+            imagettftext($image, $font_size, $angle, $x, $y, $text_color, $font_path, $text);
+
+        }
 
         // Send Image to Browser
-        imagejpeg($image, null,95);
+        imagejpeg($image, null, 95);
 
         // Clear Memory
         imagedestroy($image);
     }
 
 
+    /**
+     * @param $text
+     * @param array $selectors
+     * @return $this
+     * @throws InvalidTypeException
+     */
+    public function addLine($text, array $selectors = [])
+    {
+        //merge selectors with default values
+        $selectors = array_merge((new Config)->getSelectors(), $selectors);
+
+        //validate selectors
+        $validator = SelectorValidator::validate($selectors,\DngoIO\CoverCreator\Selectors::$selectorRules);
+        if ($validator->isSuccess() == false) {
+            throw new InvalidTypeException(implode(',',$validator->getErrors()));
+        }
+
+        $this->texts[$text] =  $selectors;
+
+        return $this;
+
+    }
+
+    /**
+     * @param array $config
+     * @return $this
+     */
+    public function setConfig(array $config)
+    {
+        //merge config with default values
+        $this->config = array_merge((new Config)->getConfig(), $config);
+
+        return $this;
+    }
+
+    /**
+     *
+     * @param $image
+     * @param $font_size
+     * @param $angle
+     * @param $font_path
+     * @param $text
+     * @return array
+     */
     public function autoCenter($image, $font_size, $angle, $font_path, $text)
     {
         // Get image dimensions

diff --git a/src/Selectors.php b/src/Selectors.php
@@ -2,16 +2,13 @@
 
 namespace DngoIO\CoverCreator;
 
-use DngoIO\CoverCreator\Exception\InvalidTypeException;
-use DngoIO\CoverCreator\Selectors\SelectorValidator;
-
 class Selectors
 {
 
     /**
      * @var array
      */
-    public $selectorRules= [
+    public static $selectorRules= [
         'font-size' => ['integer'], //px
         'font-type' => ['file'], //path of ttf file on server
         'text-color' => ['rgb'], // RGB as array
@@ -20,20 +17,4 @@ class Selectors
         'background-url' => ['file'] //path of the png
     ];
 
-    /**
-     * Selectors constructor.
-     * @param array $selectors
-     * @throws InvalidTypeException
-     * @throws \SimpleValidator\SimpleValidatorException
-     */
-    public function __construct(array $selectors)
-    {
-        $validator = SelectorValidator::validate($selectors,$this->selectorRules);
-        if ($validator->isSuccess() == false) {
-            throw new InvalidTypeException(implode(',',$validator->getErrors()));
-        }
-
-        return $selectors;
-    }
-
 }