Can set min and max values for axes. Fixes PHPOffice#1756 and PHPOffice#2333

Author: jfoucher

src/PhpWord/Style/Chart.php

@@ -149,6 +149,35 @@ class Chart extends AbstractStyle
      */
     private $gridX = false;
 
+    /**
+     * Min value for Y-Axis.
+     *
+     * @var float|int
+     */
+    private $minY = 0;
+
+    /**
+     * Max value for X-Axis.
+     *
+     * @var float|int
+     */
+    private $minX = 0;
+
+    /**
+     * Max value for Y-Axis.
+     *
+     * @var float|int
+     */
+    private $maxY = 0;
+
+    /**
+     * Max value for X-Axis.
+     *
+     * @var float|int
+     */
+    private $maxX = 0;
+
+
     /**
      * Create a new instance.
      *
@@ -551,4 +580,45 @@ public function setShowGridX($value = true)
 
         return $this;
     }
+
+
+    public function minY(): float|int
+    {
+        return $this->minY;
+    }
+
+    public function setMinY(float|int $minY): void
+    {
+        $this->minY = $minY;
+    }
+
+    public function minX(): float|int
+    {
+        return $this->minX;
+    }
+
+    public function setMinX(float|int $minX): void
+    {
+        $this->minX = $minX;
+    }
+
+    public function maxY(): float|int
+    {
+        return $this->maxY;
+    }
+
+    public function setMaxY(float|int $maxY): void
+    {
+        $this->maxY = $maxY;
+    }
+
+    public function maxX(): float|int
+    {
+        return $this->maxX;
+    }
+
+    public function setMaxX(float|int $maxX): void
+    {
+        $this->maxX = $maxX;
+    }
 }

src/PhpWord/Writer/Word2007/Part/Chart.php

@@ -387,6 +387,18 @@ private function writeAxis(XMLWriter $xmlWriter, $type): void
 
         $xmlWriter->startElement('c:scaling');
         $xmlWriter->writeElementBlock('c:orientation', 'val', 'minMax');
+        if ($type == 'cat' && $style->minX()) {
+            $xmlWriter->writeElementBlock('c:min', 'val', $style->minX());
+        }
+        if ($type == 'cat' && $style->maxX()) {
+            $xmlWriter->writeElementBlock('c:max', 'val', $style->maxX());
+        }
+        if ($type == 'val' && $style->minY()) {
+            $xmlWriter->writeElementBlock('c:min', 'val', $style->minY());
+        }
+        if ($type == 'val' && $style->maxY()) {
+            $xmlWriter->writeElementBlock('c:max', 'val', $style->maxY());
+        }
         $xmlWriter->endElement(); // c:scaling
 
         $this->writeShape($xmlWriter, true);