Fix initialisation of html to Rich Text helper, and provide additional examples

Classes/PHPExcel/Helper/HTML.php

@@ -573,7 +573,18 @@ class PHPExcel_Helper_HTML
 
     protected $richTextObject;
 
+    protected function initialise() {
+        $this->face = $this->size = $this->color = null;
+        $this->bold = $this->italic = $this->underline = $this->superscript = $this->subscript = $this->strikethrough = false;
+
+        $this->stack = array();
+
+        $this->stringData = '';
+    }
+
     public function toRichTextObject($html) {
+        $this->initialise();
+
         //	Create a new DOM object
         $dom = new domDocument;
         //	Load the HTML file into the DOM object

Examples/42richText.php

@@ -55,21 +55,31 @@ $objPHPExcel->getProperties()->setCreator("Maarten Balliauw")
 // Add some data
 echo date('H:i:s') , " Add some data" , EOL;
 
-$html='<font color="#0000ff">
+$html1='<font color="#0000ff">
 <h1 align="center">My very first example of rich text<br />generated from html markup</h1>
 <p>
-<font size="12" COLOR="rgb(0,255,128)">
+<font size="14" COLOR="rgb(0,255,128)">
 <b>This block</b> contains an <i>italicized</i> word;
 while this block uses an <u>underline</u>.
 </font>
 </p>
-<p align="right"><font size="8" color="red">
-I want to eat <ins><del>steak</del><strong>pizza</strong></ins>.
+<p align="right"><font size="9" color="red">
+I want to eat <ins><del>healthy food</del><strong>pizza</strong></ins>.
 </font>
 ';
 
+$html2='<p>
+<font color="#ff0000">
+    100&deg;C is a hot temperature
+</font>
+<br>
+<font color="#0080ff">
+    10&deg;F is cold
+</font>
+</p>';
+
 $wizard = new PHPExcel_Helper_HTML;
-$richText = $wizard->toRichTextObject($html);
+$richText = $wizard->toRichTextObject($html1);
 
 $objPHPExcel->setActiveSheetIndex(0)
             ->setCellValue('A1', $richText);
@@ -80,6 +90,16 @@ $objPHPExcel->getActiveSheet()->getStyle('A1')
     ->getAlignment()
     ->setWrapText(true);
 
+$richText = $wizard->toRichTextObject($html2);
+
+$objPHPExcel->setActiveSheetIndex(0)
+            ->setCellValue('A2', $richText);
+
+$objPHPExcel->getActiveSheet()->getRowDimension(1)->setRowHeight(-1);
+$objPHPExcel->getActiveSheet()->getStyle('A2')
+    ->getAlignment()
+    ->setWrapText(true);
+
 
 // Rename worksheet
 echo date('H:i:s') , " Rename worksheet" , EOL;