1 files changed, 102 insertions, 0 deletions
diff --git a/library/vendor/dompdf/vendor/phenx/php-svg-lib/src/Svg/Tag/UseTag.php b/library/vendor/dompdf/vendor/phenx/php-svg-lib/src/Svg/Tag/UseTag.php
new file mode 100644
index 0000000..c5f00ea
--- /dev/null
+++ b/library/vendor/dompdf/vendor/phenx/php-svg-lib/src/Svg/Tag/UseTag.php
@@ -0,0 +1,102 @@
+<?php
+/**
+ * @package php-svg-lib
+ * @link    http://github.com/PhenX/php-svg-lib
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license GNU LGPLv3+ http://www.gnu.org/copyleft/lesser.html
+ */
+
+namespace Svg\Tag;
+
+class UseTag extends AbstractTag
+{
+    protected $x = 0;
+    protected $y = 0;
+    protected $width;
+    protected $height;
+
+    /** @var AbstractTag */
+    protected $reference;
+
+    protected function before($attributes)
+    {
+        if (isset($attributes['x'])) {
+            $this->x = $attributes['x'];
+        }
+        if (isset($attributes['y'])) {
+            $this->y = $attributes['y'];
+        }
+
+        if (isset($attributes['width'])) {
+            $this->width = $attributes['width'];
+        }
+        if (isset($attributes['height'])) {
+            $this->height = $attributes['height'];
+        }
+
+        parent::before($attributes);
+
+        $document = $this->getDocument();
+
+        $link = $attributes["href"] ?? $attributes["xlink:href"];
+        $this->reference = $document->getDef($link);
+
+        if ($this->reference) {
+            $this->reference->before($attributes);
+        }
+
+        $surface = $document->getSurface();
+        $surface->save();
+
+        $surface->translate($this->x, $this->y);
+    }
+
+    protected function after() {
+        parent::after();
+
+        if ($this->reference) {
+            $this->reference->after();
+        }
+
+        $this->getDocument()->getSurface()->restore();
+    }
+
+    public function handle($attributes)
+    {
+        parent::handle($attributes);
+
+        if (!$this->reference) {
+            return;
+        }
+
+        $mergedAttributes = $this->reference->attributes;
+        $attributesToNotMerge = ['x', 'y', 'width', 'height'];
+        foreach ($attributes as $attrKey => $attrVal) {
+            if (!in_array($attrKey, $attributesToNotMerge) && !isset($mergedAttributes[$attrKey])) {
+                $mergedAttributes[$attrKey] = $attrVal;
+            }
+        }
+
+        $this->reference->handle($mergedAttributes);
+
+        foreach ($this->reference->children as $_child) {
+            $_attributes = array_merge($_child->attributes, $mergedAttributes);
+            $_child->handle($_attributes);
+        }
+    }
+
+    public function handleEnd()
+    {
+        parent::handleEnd();
+
+        if (!$this->reference) {
+            return;
+        }
+
+        $this->reference->handleEnd();
+
+        foreach ($this->reference->children as $_child) {
+            $_child->handleEnd();
+        }
+    }
+}