Add support for text outline styling

src/PhpPresentation/Style/Font.php

@@ -162,6 +162,20 @@ class Font implements ComparableInterface
      */
     private $characterSpacing = 0;
 
+    /**
+     * Outline.
+     *
+     * @var Outline
+     */
+    private $outline;
+
+    /**
+     * Filled.
+     *
+     * @var bool
+     */
+    private $isFilled = true;
+
     /**
      * Format.
      *
@@ -179,6 +193,7 @@ class Font implements ComparableInterface
     public function __construct()
     {
         $this->color = new Color(Color::COLOR_BLACK);
+        $this->outline = new Outline();
     }
 
     /**
@@ -515,6 +530,46 @@ public function setColor(Color $pValue): self
         return $this;
     }
 
+    /**
+     * Get Outline.
+     */
+    public function getOutline(): Outline
+    {
+        return $this->outline;
+    }
+
+    /**
+     * Set outline.
+     *
+     * @param string $color ARGB or RGB color
+     * @param null|int $width Width in pixels
+     * @return $this
+     */
+    public function setOutline(string $color, ?int $width = null): self
+    {
+        $this->getOutline()->setSolid($color, $width);
+
+        return $this;
+    }
+
+    /**
+     * Is Filled?
+     */
+    public function isFilled(): bool
+    {
+        return $this->isFilled;
+    }
+
+    /**
+     * Set Filled.
+     */
+    public function setFilled(bool $value): self
+    {
+        $this->isFilled = $value;
+
+        return $this;
+    }
+
     /**
      * Get format.
      */
@@ -556,6 +611,8 @@ public function getHashCode(): string
             . ($this->strikethrough ? 't' : 'f')
             . $this->format
             . $this->color->getHashCode()
+            . $this->outline->getHashCode()
+            . ($this->isFilled ? 't' : 'f')
             . __CLASS__
         );
     }

src/PhpPresentation/Style/Outline.php

@@ -20,10 +20,12 @@
 
 namespace PhpOffice\PhpPresentation\Style;
 
+use PhpOffice\PhpPresentation\ComparableInterface;
+
 /**
  * \PhpOffice\PhpPresentation\Style\Outline.
  */
-class Outline
+class Outline implements ComparableInterface
 {
     /**
      * @var Fill
@@ -35,6 +37,13 @@ class Outline
      */
     protected $width = 1;
 
+    /**
+     * Hash index.
+     *
+     * @var int
+     */
+    protected $hashIndex;
+
     public function __construct()
     {
         $this->fill = new Fill();
@@ -69,4 +78,60 @@ public function setWidth(int $pValue = 1): self
 
         return $this;
     }
+
+    /**
+     * Set outline as a solid fill.
+     *
+     * @param string $color ARGB or RGB color
+     * @param null|int $width Width in pixels
+     * @return $this
+     */
+    public function setSolid(string $color, ?int $width = null): self
+    {
+        $this->getFill()->setFillType(Fill::FILL_SOLID);
+        $this->getFill()->setStartColor(new Color($color));
+        if (null !== $width) {
+            $this->setWidth($width);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get hash code.
+     *
+     * @return string Hash code
+     */
+    public function getHashCode(): string
+    {
+        return md5(
+            $this->fill->getHashCode()
+            . $this->width
+            . __CLASS__
+        );
+    }
+
+    /**
+     * Get hash index.
+     *
+     * @return null|int Hash index
+     */
+    public function getHashIndex(): ?int
+    {
+        return $this->hashIndex;
+    }
+
+    /**
+     * Set hash index.
+     *
+     * @param int $value Hash index
+     *
+     * @return $this
+     */
+    public function setHashIndex(int $value)
+    {
+        $this->hashIndex = $value;
+
+        return $this;
+    }
 }

src/PhpPresentation/Writer/PowerPoint2007/AbstractSlide.php

@@ -295,7 +295,7 @@ protected function writeShapeText(XMLWriter $objWriter, RichText $shape, int $sh
             $objWriter->startElement('a:fld');
             $objWriter->writeAttribute('id', $this->getGUID());
             $objWriter->writeAttribute('type', (
-                Placeholder::PH_TYPE_SLIDENUM == $shape->getPlaceholder()->getType() ? 'slidenum' : 'datetime'
+            Placeholder::PH_TYPE_SLIDENUM == $shape->getPlaceholder()->getType() ? 'slidenum' : 'datetime'
             ));
 
             if (isset($paragraph)) {
@@ -309,7 +309,7 @@ protected function writeShapeText(XMLWriter $objWriter, RichText $shape, int $sh
             }
 
             $objWriter->writeElement('a:t', (
-                Placeholder::PH_TYPE_SLIDENUM == $shape->getPlaceholder()->getType() ? '<nr.>' : '03-04-05'
+            Placeholder::PH_TYPE_SLIDENUM == $shape->getPlaceholder()->getType() ? '<nr.>' : '03-04-05'
             ));
             $objWriter->endElement();
             $objWriter->endElement();
@@ -666,10 +666,17 @@ protected function writeRunStyles(XMLWriter $objWriter, Run $element): void
         // Baseline
         $objWriter->writeAttributeIf($element->getFont()->getBaseline() !== 0, 'baseline', $element->getFont()->getBaseline());
 
+        // Outline
+        $this->writeOutline($objWriter, $element->getFont()->getOutline());
+
         // Color - a:solidFill
-        $objWriter->startElement('a:solidFill');
-        $this->writeColor($objWriter, $element->getFont()->getColor());
-        $objWriter->endElement();
+        if ($element->getFont()->isFilled()) {
+            $objWriter->startElement('a:solidFill');
+            $this->writeColor($objWriter, $element->getFont()->getColor());
+            $objWriter->endElement();
+        } else {
+            $objWriter->writeElement('a:noFill');
+        }
 
         // Font
         // - a:latin