PHPWord_Shared_Font::pointSizeToTwips

Classes/PHPWord/Shared/Font.php

@@ -77,4 +77,16 @@ class PHPWord_Shared_Font
     {
         return self::centimeterSizeToTwips($sizeInPixel / 37.795275591);
     }
+
+    /**
+     * Calculate twip based on point size, used mainly for paragraph spacing
+     *
+     * @param   int|float   $sizeInPoint Size in point
+     * @return  int|float   Size (in twips)
+     */
+    public static function pointSizeToTwips($sizeInPoint = 1)
+    {
+        return ($sizeInPoint * 20);
+    }
+
 }

README.md

@@ -73,6 +73,26 @@ $objWriter = PHPWord_IOFactory::createWriter($PHPWord, 'Word2007');
 $objWriter->save('helloWorld.docx');
 ```
 
+##### Measurement units
+
+The base length unit in Open Office XML is twip. Twip means "TWentieth of an Inch Point", i.e. 1 twip = 1/1440 inch.
+
+You can use PHPWord helper functions to convert inches, centimeters, or points to twips.
+
+```
+// Paragraph with 6 points space after
+$PHPWord->addParagraphStyle('My Style', array(
+    'spaceAfter' => PHPWord_Shared_Font::pointSizeToTwips(6))
+);
+
+$section = $PHPWord->createSection();
+$sectionStyle = $section->getSettings();
+// half inch left margin
+$sectionStyle->setMarginLeft(PHPWord_Shared_Font::inchSizeToTwips(.5));
+// 2 cm right margin
+$sectionStyle->setMarginRight(PHPWord_Shared_Font::centimeterSizeToTwips(2));
+```
+
 <a name="sections"></a>
 #### Sections
 

changelog.txt

@@ -38,6 +38,7 @@ Changes in branch for release 0.7.1 :
 - Feature:  (ivanlanin)       GH-48 GH-86       - Paragraph: Hanging paragraph
 - Feature:  (ivanlanin)       GH-48 GH-86       - Section: Multicolumn and section break
 - QA:       (Progi1984)                         - UnitTests
+- Feature:  (ivanlanin)                         - General: PHPWord_Shared_Font::pointSizeToTwips converter
 
 Changes in branch for release 0.7.0 :
 - Bugfix:   (RomanSyroeshko)  GH-32             - "Warning: Invalid error type specified in ...\PHPWord.php on line 226" is thrown when the specified template file is not found