Add background parameter to FactoryInterface::newCore()

src/Drivers/Gd/Factory.php

@@ -5,6 +5,8 @@ namespace Intervention\Image\Drivers\Gd;
 use Intervention\Image\Collection;
 use Intervention\Image\Drivers\Gd\Frame;
 use Intervention\Image\Drivers\Gd\Image;
+use Intervention\Image\Drivers\Gd\Traits\CanHandleColors;
+use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\FactoryInterface;
 use Intervention\Image\Interfaces\ImageInterface;
 use Intervention\Image\Traits\CanHandleInput;
@@ -12,6 +14,7 @@ use Intervention\Image\Traits\CanHandleInput;
 class Factory implements FactoryInterface
 {
     use CanHandleInput;
+    use CanHandleColors;
 
     /**
      * {@inheritdoc}
@@ -60,10 +63,10 @@ class Factory implements FactoryInterface
         return new Image($frames);
     }
 
-    public function newCore(int $width, int $height)
+    public function newCore(int $width, int $height, ?ColorInterface $background = null)
     {
         $core = imagecreatetruecolor($width, $height);
-        $color = imagecolorallocatealpha($core, 0, 0, 0, 127);
+        $color = $background ? $this->colorToInteger($background) : imagecolorallocatealpha($core, 0, 0, 0, 127);
         imagefill($core, 0, 0, $color);
         imagesavealpha($core, true);
 

src/Drivers/Imagick/Factory.php

@@ -4,7 +4,10 @@ namespace Intervention\Image\Drivers\Imagick;
 
 use Imagick;
 use ImagickPixel;
+use Intervention\Image\Colors\Rgb\Colorspace;
 use Intervention\Image\Drivers\Imagick\Image;
+use Intervention\Image\Drivers\Imagick\Traits\CanHandleColors;
+use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\FactoryInterface;
 use Intervention\Image\Interfaces\ImageInterface;
 use Intervention\Image\Traits\CanCheckType;
@@ -14,6 +17,7 @@ class Factory implements FactoryInterface
 {
     use CanHandleInput;
     use CanCheckType;
+    use CanHandleColors;
 
     /**
      * {@inheritdoc}
@@ -66,10 +70,15 @@ class Factory implements FactoryInterface
      *
      * @see FactoryInterface::newCore()
      */
-    public function newCore(int $width, int $height)
+    public function newCore(int $width, int $height, ?ColorInterface $background = null)
     {
+        $pixel = $background ? $this->colorToPixel(
+            $background,
+            new Colorspace()
+        ) : new ImagickPixel('rgba(0, 0, 0, 0)');
+
         $imagick = new Imagick();
-        $imagick->newImage($width, $height, new ImagickPixel('rgba(0, 0, 0, 0)'), 'png');
+        $imagick->newImage($width, $height, $pixel, 'png');
         $imagick->setType(Imagick::IMGTYPE_UNDEFINED);
         $imagick->setImageType(Imagick::IMGTYPE_UNDEFINED);
         $imagick->setColorspace(Imagick::COLORSPACE_RGB);

src/Interfaces/FactoryInterface.php

@@ -26,6 +26,7 @@ interface FactoryInterface
      *
      * @param int                 $width
      * @param int                 $height
+     * @param null|ColorInterface $background
      */
-    public function newCore(int $width, int $height);
+    public function newCore(int $width, int $height, ?ColorInterface $background = null);
 }