Add masking to PictureBox

src/Layout/PictureBox.php

@@ -2,27 +2,87 @@
 
 namespace SimonHamp\TheOg\Layout;
 
-use Intervention\Image\Drivers\Imagick\Modifiers\PlaceModifier;
-use Intervention\Image\Image;
+use Imagick;
+use ImagickDraw;
+use ImagickPixel;
 use Intervention\Image\ImageManager;
 use Intervention\Image\Interfaces\ImageInterface;
 
-readonly class PictureBox extends Box
+ class PictureBox extends Box
 {
     public string $path;
 
+    /**
+     * @var array<callable<Imagick>>
+     */
+    public array $maskQueue;
+
+    protected ImageInterface $picture;
+
     public function render(ImageInterface $image): void
     {
-        $picture = ImageManager::imagick()
-            ->read(file_get_contents($this->path))
-            ->cover($this->box->width(), $this->box->height());
+        if (! empty($this->maskQueue)) {
+            foreach ($this->maskQueue as $mask) {
+                $this->mask($mask());
+            }
+        }
+
+        $position = $this->calculatePosition();
+
+        $image->place(
+            element: $this->getPicture(),
+            offset_x: $position->x(),
+            offset_y: $position->y()
+        );
+    }
+
+     /**
+      * Apply a mask image to the picture
+      */
+    public function mask(Imagick $mask): void
+    {
+        $base = $this->getPicture()->core()->native();
+
+        $base->setImageMatte(true);
+
+        $base->compositeImage($mask, Imagick::COMPOSITE_DSTIN, 0, 0);
+
+        $base->writeImage(__DIR__.'/../../circle.png');
+    }
+
+    public function circle(): static
+    {
+        $this->maskQueue[] = function () {
+            $width = $this->box->width();
+            $start = intval(floor($width / 2));
+
+            // Create the circle
+            $circle = new ImagickDraw();
+            $circle->setFillColor(new ImagickPixel('#fff'));
+            $circle->circle($start, $start, $start, $width - 10);
+
+            // Draw it to an Imagick instance
+            $image = new Imagick();
+            $image->newImage($width, $width, 'none', 'png');
+            $image->setImageMatte(true);
+            $image->drawImage($circle);
+
+            return $image;
+        };
 
-        $image->place($picture);
+        return $this;
     }
 
     public function path(string $path): self
     {
         $this->path = $path;
         return $this;
     }
+
+    protected function getPicture(): ImageInterface
+    {
+        return $this->picture ??= ImageManager::imagick()
+            ->read(file_get_contents($this->path))
+            ->cover($this->box->width(), $this->box->height());
+    }
 }