add some feature and fix some issues

src/PhpPresentation/Shape/Chart/Axis.php

@@ -34,6 +34,11 @@ class Axis implements ComparableInterface
     const TICK_MARK_INSIDE = 'in';
     const TICK_MARK_OUTSIDE = 'out';
 
+    const TICK_LABEL_POS_NEXT_TO = 'nextTo';
+    const TICK_LABEL_POS_HIGH = 'high';
+    const TICK_LABEL_POS_LOW = 'low';
+    const TICK_LABEL_POS_NONE = 'none';
+
     /**
      * Title
      *
@@ -105,6 +110,11 @@ class Axis implements ComparableInterface
      */
     protected $isVisible = true;
 
+    /**
+     * @var string
+     */
+    protected $tickLabelPos = self::TICK_LABEL_POS_NEXT_TO;
+
     /**
      * Create a new \PhpOffice\PhpPresentation\Shape\Chart\Axis instance
      *
@@ -348,6 +358,16 @@ public function setOutline(Outline $outline)
         return $this;
     }
 
+    public function getTickLabelPos()
+    {
+        return $this->tickLabelPos;
+    }
+
+    public function setTickLabelPos($pos = self::TICK_LABEL_POS_NEXT_TO)
+    {
+        $this->tickLabelPos = $pos;
+        return $this;
+    }
     /**
      * Get hash code
      *

src/PhpPresentation/Shape/Chart/Series.php

@@ -21,6 +21,7 @@
 use PhpOffice\PhpPresentation\Style\Fill;
 use PhpOffice\PhpPresentation\Style\Font;
 use PhpOffice\PhpPresentation\Style\Outline;
+use PhpOffice\PhpPresentation\Style\Color as StyleColor;
 
 /**
  * \PhpOffice\PhpPresentation\Shape\Chart\Series
@@ -132,6 +133,11 @@ class Series implements ComparableInterface
      */
     private $values = array();
 
+    /**
+     * Label color
+     * @var StyleColor
+     */
+    private $labelColor = null;
     /**
      * Hash index
      * @var string
@@ -509,6 +515,16 @@ public function setLabelPosition($value)
         return $this;
     }
 
+    public function getLabelColor()
+    {
+        return $this->labelColor;
+    }
+    public function setLabelColor($labelColor = null)
+    {
+        $this->labelColor = $labelColor;
+        return $this;
+    }
+
     /**
      * @return Marker
      */

src/PhpPresentation/Writer/PowerPoint2007/PptCharts.php

@@ -860,6 +860,14 @@ protected function writeTypeBar(XMLWriter $objWriter, Bar $subject, $includeShee
                 $objWriter->writeAttribute('sourceLinked', '0');
                 $objWriter->endElement();
             }
+            if ($series->getLabelColor() != null) {
+                $objWriter->startElement('c:spPr');
+                $objWriter->startElement('a:solidFill');
+                $this->writeColor($objWriter, $series->getLabelColor());
+                $objWriter->endElement();
+                $objWriter->endElement();
+            }
+
 
             // c:txPr
             $objWriter->startElement('c:txPr');
@@ -1786,6 +1794,9 @@ protected function writeTypeLine(XMLWriter $objWriter, Line $subject, $includeSh
 
             $objWriter->endElement();
 
+            // c:dLblPos
+            $this->writeElementWithValAttribute($objWriter, 'c:dLblPos', $series->getLabelPosition());
+
             // c:showVal
             $this->writeElementWithValAttribute($objWriter, 'c:showVal', $series->hasShowValue() ? '1' : '0');
 
@@ -2277,7 +2288,8 @@ protected function writeAxis(XMLWriter $objWriter, Chart\Axis $oAxis, $typeAxis,
 
         // c:tickLblPos
         $objWriter->startElement('c:tickLblPos');
-        $objWriter->writeAttribute('val', 'nextTo');
+        $objWriter->writeAttribute('val', $oAxis->getTickLabelPos());
+        //$objWriter->writeAttribute('val', 'nextTo');
         $objWriter->endElement();
 
         // c:spPr