From 8c2b099dbc428ce6dfb473023f91b472ce5659ab Mon Sep 17 00:00:00 2001
From: Ivan Lanin <ivanlanin@gmail.com>
Date: Sat, 14 Jun 2014 07:19:00 +0700
Subject: [PATCH] Merge `Shared\Drawing` and `Shared\Font` into
 `Shared\Converter`

---
 CHANGELOG.md                                  |   3 +
 docs/general.rst                              |   6 +-
 docs/src/documentation.md                     |   6 +-
 samples/Sample_08_ParagraphPagination.php     |   2 +-
 samples/Sample_13_Images.php                  |  12 +-
 samples/Sample_29_Line.php                    |  20 +-
 src/PhpWord/Shared/Converter.php              | 245 ++++++++++++++++++
 src/PhpWord/Shared/Drawing.php                |  66 +----
 src/PhpWord/Shared/Font.php                   |  21 +-
 src/PhpWord/Writer/ODText/Element/Image.php   |   6 +-
 src/PhpWord/Writer/RTF/Element/Image.php      |   6 +-
 src/PhpWord/Writer/RTF/Part/Header.php        |   4 +-
 .../Word2007/Element/AbstractElement.php      |   1 -
 tests/PhpWord/Tests/Element/LineTest.php      |  16 +-
 tests/PhpWord/Tests/Element/TextBoxTest.php   |   8 +-
 tests/PhpWord/Tests/Shared/ConverterTest.php  | 108 ++++++++
 tests/PhpWord/Tests/Shared/DrawingTest.php    |  82 ------
 tests/PhpWord/Tests/Shared/FontTest.php       |  58 -----
 18 files changed, 424 insertions(+), 246 deletions(-)
 create mode 100644 src/PhpWord/Shared/Converter.php
 create mode 100644 tests/PhpWord/Tests/Shared/ConverterTest.php
 delete mode 100644 tests/PhpWord/Tests/Shared/DrawingTest.php
 delete mode 100644 tests/PhpWord/Tests/Shared/FontTest.php

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebfd3263..5290ccb3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ This release added drawing shapes (arc, curve, line, polyline, rect, oval) eleme
 - RTF Writer: Support for sections, margins, and borders - @ivanlanin GH-249
 - Section: Ability to set paper size, e.g. A4, A3, and Legal - @ivanlanin GH-249
 - General: New `PhpWord::save()` method to encapsulate `IOFactory` - @ivanlanin
+- General: New `Shared\Converter` static class - @ivanlanin
 
 ### Bugfixes
 
@@ -25,6 +26,8 @@ This release added drawing shapes (arc, curve, line, polyline, rect, oval) eleme
 
 - `Element\Link::getTarget()` replaced by `Element\Link::getSource()`
 - `Element\Section::getSettings()` and `Element\Section::setSettings()` replaced by `Element\Section::getStyle()` and `Element\Section::setStyle()`
+- `Shared\Drawing` and `Shared\Font` merged into `Shared\Converter`
+
 
 ### Miscellaneous
 
diff --git a/docs/general.rst b/docs/general.rst
index 60d9b609..a2498aff 100644
--- a/docs/general.rst
+++ b/docs/general.rst
@@ -130,13 +130,13 @@ points to twips.
 
     // Paragraph with 6 points space after
     $phpWord->addParagraphStyle('My Style', array(
-        'spaceAfter' => \PhpOffice\PhpWord\Shared\Font::pointSizeToTwips(6))
+        'spaceAfter' => \PhpOffice\PhpWord\Shared\Converter::pointToTwip(6))
     );
 
     $section = $phpWord->addSection();
     $sectionStyle = $section->getStyle();
     // half inch left margin
-    $sectionStyle->setMarginLeft(\PhpOffice\PhpWord\Shared\Font::inchSizeToTwips(.5));
+    $sectionStyle->setMarginLeft(\PhpOffice\PhpWord\Shared\Converter::inchToTwip(.5));
     // 2 cm right margin
-    $sectionStyle->setMarginRight(\PhpOffice\PhpWord\Shared\Font::centimeterSizeToTwips(2));
+    $sectionStyle->setMarginRight(\PhpOffice\PhpWord\Shared\Converter::cmToTwip(2));
 
diff --git a/docs/src/documentation.md b/docs/src/documentation.md
index 49505c7f..6ad2f67a 100644
--- a/docs/src/documentation.md
+++ b/docs/src/documentation.md
@@ -301,15 +301,15 @@ You can use PHPWord helper functions to convert inches, centimeters, or points t
 ```php
 // Paragraph with 6 points space after
 $phpWord->addParagraphStyle('My Style', array(
-    'spaceAfter' => \PhpOffice\PhpWord\Shared\Font::pointSizeToTwips(6))
+    'spaceAfter' => \PhpOffice\PhpWord\Shared\Converter::pointToTwip(6))
 );
 
 $section = $phpWord->addSection();
 $sectionStyle = $section->getStyle();
 // half inch left margin
-$sectionStyle->setMarginLeft(\PhpOffice\PhpWord\Shared\Font::inchSizeToTwips(.5));
+$sectionStyle->setMarginLeft(\PhpOffice\PhpWord\Shared\Converter::inchToTwip(.5));
 // 2 cm right margin
-$sectionStyle->setMarginRight(\PhpOffice\PhpWord\Shared\Font::centimeterSizeToTwips(2));
+$sectionStyle->setMarginRight(\PhpOffice\PhpWord\Shared\Converter::cmToTwip(2));
 ```
 
 # Containers
diff --git a/samples/Sample_08_ParagraphPagination.php b/samples/Sample_08_ParagraphPagination.php
index d3f0c1fb..f3914758 100644
--- a/samples/Sample_08_ParagraphPagination.php
+++ b/samples/Sample_08_ParagraphPagination.php
@@ -6,7 +6,7 @@ echo date('H:i:s') , " Create new PhpWord object" , EOL;
 $phpWord = new \PhpOffice\PhpWord\PhpWord();
 $phpWord->setDefaultParagraphStyle(array(
     'align' => 'both',
-    'spaceAfter' => \PhpOffice\PhpWord\Shared\Font::pointSizeToTwips(12),
+    'spaceAfter' => \PhpOffice\PhpWord\Shared\Converter::pointToTwip(12),
     'spacing' => 120,
 ));
 
diff --git a/samples/Sample_13_Images.php b/samples/Sample_13_Images.php
index dd0c8801..29b3e733 100644
--- a/samples/Sample_13_Images.php
+++ b/samples/Sample_13_Images.php
@@ -37,14 +37,14 @@ $section->addText('Absolute positioning: see top right corner of page');
 $section->addImage(
     'resources/_mars.jpg',
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(3),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(3),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(3),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(3),
         'positioning' => \PhpOffice\PhpWord\Style\Image::POSITION_ABSOLUTE,
         'posHorizontal' => \PhpOffice\PhpWord\Style\Image::POSITION_HORIZONTAL_RIGHT,
         'posHorizontalRel' => \PhpOffice\PhpWord\Style\Image::POSITION_RELATIVE_TO_PAGE,
         'posVerticalRel' => \PhpOffice\PhpWord\Style\Image::POSITION_RELATIVE_TO_PAGE,
-        'marginLeft' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(15.5),
-        'marginTop' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(1.55)
+        'marginLeft' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(15.5),
+        'marginTop' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(1.55)
     )
 );
 
@@ -55,8 +55,8 @@ $section->addText('Vertical position top relative to line');
 $section->addImage(
     'resources/_mars.jpg',
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(3),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(3),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(3),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(3),
         'positioning' => \PhpOffice\PhpWord\Style\Image::POSITION_RELATIVE,
         'posHorizontal' => \PhpOffice\PhpWord\Style\Image::POSITION_HORIZONTAL_CENTER,
         'posHorizontalRel' => \PhpOffice\PhpWord\Style\Image::POSITION_RELATIVE_TO_COLUMN,
diff --git a/samples/Sample_29_Line.php b/samples/Sample_29_Line.php
index 5a955702..f9162c2a 100644
--- a/samples/Sample_29_Line.php
+++ b/samples/Sample_29_Line.php
@@ -13,16 +13,16 @@ $section = $phpWord->addSection();
 $section->addText('Horizontal Line (Inline style):');
 $section->addLine(
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(4),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(0),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(4),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(0),
         'positioning' => 'absolute'
     )
 );
 $section->addText('Vertical Line (Inline style):');
 $section->addLine(
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(0),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(1),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(0),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(1),
         'positioning' => 'absolute'
     )
 );
@@ -32,13 +32,13 @@ $section->addTextBreak(1);
 $section->addText('Positioned Line (red):');
 $section->addLine(
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(4),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(1),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(4),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(1),
         'positioning' => 'absolute',
         'posHorizontalRel' => 'page',
         'posVerticalRel' => 'page',
-        'marginLeft' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(10),
-        'marginTop' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(8),
+        'marginLeft' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(10),
+        'marginTop' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(8),
         'wrappingStyle' => \PhpOffice\PhpWord\Style\Image::WRAPPING_STYLE_SQUARE,
         'color' => 'red'
     )
@@ -47,8 +47,8 @@ $section->addLine(
 $section->addText('Horizontal Formatted Line');
 $section->addLine(
     array(
-        'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(15),
-        'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(0),
+        'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(15),
+        'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(0),
         'positioning' => 'absolute',
         'beginArrow' => \PhpOffice\PhpWord\Style\Line::ARROW_STYLE_BLOCK,
         'endArrow' => \PhpOffice\PhpWord\Style\Line::ARROW_STYLE_OVAL,
diff --git a/src/PhpWord/Shared/Converter.php b/src/PhpWord/Shared/Converter.php
new file mode 100644
index 00000000..8bc1cecf
--- /dev/null
+++ b/src/PhpWord/Shared/Converter.php
@@ -0,0 +1,245 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Shared;
+
+/**
+ * Common converter functions
+ */
+class Converter
+{
+    const INCH_TO_CM        = 2.54;
+    const INCH_TO_TWIP      = 1440;
+    const INCH_TO_PIXEL     = 96;
+    const INCH_TO_POINT     = 72;
+    const PIXEL_TO_EMU      = 9525;
+    const DEGREE_TO_ANGLE   = 60000;
+
+    /**
+     * Convert centimeter to twip
+     *
+     * @param int $centimeter
+     * @return float
+     */
+    public static function cmToTwip($centimeter = 1)
+    {
+        return $centimeter / self::INCH_TO_CM * self::INCH_TO_TWIP;
+    }
+
+    /**
+     * Convert centimeter to inch
+     *
+     * @param int $centimeter
+     * @return float
+     */
+    public static function cmToInch($centimeter = 1)
+    {
+        return $centimeter / self::INCH_TO_CM;
+    }
+
+    /**
+     * Convert centimeter to pixel
+     *
+     * @param int $centimeter
+     * @return float
+     */
+    public static function cmToPixel($centimeter = 1)
+    {
+        return $centimeter / self::INCH_TO_CM * self::INCH_TO_PIXEL;
+    }
+
+    /**
+     * Convert inch to twip
+     *
+     * @param int $inch
+     * @return int
+     */
+    public static function inchToTwip($inch = 1)
+    {
+        return $inch * self::INCH_TO_TWIP;
+    }
+
+    /**
+     * Convert inch to centimeter
+     *
+     * @param int $inch
+     * @return float
+     */
+    public static function inchToCm($inch = 1)
+    {
+        return $inch * self::INCH_TO_CM;
+    }
+
+    /**
+     * Convert inch to pixel
+     *
+     * @param int $inch
+     * @return int
+     */
+    public static function inchToPixel($inch = 1)
+    {
+        return $inch * self::INCH_TO_PIXEL;
+    }
+
+    /**
+     * Convert inch to point
+     *
+     * @param int $inch
+     * @return int
+     */
+    public static function inchToPoint($inch = 1)
+    {
+        return $inch * self::INCH_TO_POINT;
+    }
+
+    /**
+     * Convert pixel to twip
+     *
+     * @param int $pixel
+     * @return int
+     */
+    public static function pixelToTwip($pixel = 1)
+    {
+        return $pixel / self::INCH_TO_PIXEL * self::INCH_TO_TWIP;
+    }
+
+    /**
+     * Convert pixel to centimeter
+     *
+     * @param int $pixel
+     * @return float
+     */
+    public static function pixelToCm($pixel = 1)
+    {
+        return $pixel / self::INCH_TO_PIXEL * self::INCH_TO_CM;
+    }
+
+    /**
+     * Convert pixel to point
+     *
+     * @param int $pixel
+     * @return float
+     */
+    public static function pixelToPoint($pixel = 1)
+    {
+        return $pixel / self::INCH_TO_PIXEL * self::INCH_TO_POINT;
+    }
+
+    /**
+     * Convert pixel to EMU
+     *
+     * @param int $pixel
+     * @return int
+     */
+    public static function pixelToEmu($pixel = 1)
+    {
+        return round($pixel * self::PIXEL_TO_EMU);
+    }
+
+    /**
+     * Convert point to twip unit
+     *
+     * @param int $point
+     * @return int
+     */
+    public static function pointToTwip($point = 1)
+    {
+        return $point / self::INCH_TO_POINT * self::INCH_TO_TWIP;
+    }
+
+    /**
+     * Convert point to pixel
+     *
+     * @param int $point
+     * @return float
+     */
+    public static function pointToPixel($point = 1)
+    {
+        return $point / self::INCH_TO_POINT * self::INCH_TO_PIXEL;
+    }
+
+    /**
+     * Convert point to EMU
+     *
+     * @param int $point
+     * @return int
+     */
+    public static function pointToEmu($point = 1)
+    {
+        return round($point / self::INCH_TO_POINT * self::INCH_TO_PIXEL * self::PIXEL_TO_EMU);
+    }
+
+    /**
+     * Convert EMU to pixel
+     *
+     * @param int $emu
+     * @return int
+     */
+    public static function emuToPixel($emu = 1)
+    {
+        return round($emu / self::PIXEL_TO_EMU);
+    }
+
+    /**
+     * Convert degree to angle
+     *
+     * @param int $degree
+     * @return int
+     */
+    public static function degreeToAngle($degree = 1)
+    {
+        return (int)round($degree * self::DEGREE_TO_ANGLE);
+    }
+
+    /**
+     * Convert angle to degrees
+     *
+     * @param int $angle
+     * @return int
+     */
+    public static function angleToDegree($angle = 1)
+    {
+        return round($angle / self::DEGREE_TO_ANGLE);
+    }
+
+    /**
+     * Convert HTML hexadecimal to RGB
+     *
+     * @param string $value HTML Color in hexadecimal
+     * @return array Value in RGB
+     */
+    public static function htmlToRgb($value)
+    {
+        if ($value[0] == '#') {
+            $value = substr($value, 1);
+        }
+
+        if (strlen($value) == 6) {
+            list($red, $green, $blue) = array($value[0] . $value[1], $value[2] . $value[3], $value[4] . $value[5]);
+        } elseif (strlen($value) == 3) {
+            list($red, $green, $blue) = array($value[0] . $value[0], $value[1] . $value[1], $value[2] . $value[2]);
+        } else {
+            return false;
+        }
+
+        $red = hexdec($red);
+        $green = hexdec($green);
+        $blue = hexdec($blue);
+
+        return array($red, $green, $blue);
+    }
+}
diff --git a/src/PhpWord/Shared/Drawing.php b/src/PhpWord/Shared/Drawing.php
index 5ee7e960..00d8b565 100644
--- a/src/PhpWord/Shared/Drawing.php
+++ b/src/PhpWord/Shared/Drawing.php
@@ -18,9 +18,12 @@
 namespace PhpOffice\PhpWord\Shared;
 
 /**
- * Common drawing functions
+ * Common drawing functions; replaced by `Converter`
+ *
+ * @deprecated 0.12.0
+ * @codeCoverageIgnore
  */
-class Drawing
+class Drawing extends Converter
 {
     /**
      * Convert pixels to EMU
@@ -30,7 +33,7 @@ class Drawing
      */
     public static function pixelsToEMU($value = 0)
     {
-        return round($value * 9525);
+        return self::pixelToEmu($value);
     }
 
     /**
@@ -41,11 +44,7 @@ class Drawing
      */
     public static function emuToPixels($value = 0)
     {
-        if ($value != 0) {
-            return round($value / 9525);
-        } else {
-            return 0;
-        }
+        return self::emuToPixel($value);
     }
 
     /**
@@ -56,7 +55,7 @@ class Drawing
      */
     public static function pixelsToPoints($value = 0)
     {
-        return $value * 0.75;
+        return self::pixelToPoint($value);
     }
 
     /**
@@ -67,11 +66,7 @@ class Drawing
      */
     public static function pointsToPixels($value = 0)
     {
-        if ($value != 0) {
-            return $value * 1.333333333;
-        } else {
-            return 0;
-        }
+        return self::pointToPixel($value);
     }
 
     /**
@@ -82,7 +77,7 @@ class Drawing
      */
     public static function degreesToAngle($value = 0)
     {
-        return (integer)round($value * 60000);
+        return self::degreeToAngle($value);
     }
 
     /**
@@ -93,11 +88,7 @@ class Drawing
      */
     public static function angleToDegrees($value = 0)
     {
-        if ($value != 0) {
-            return round($value / 60000);
-        } else {
-            return 0;
-        }
+        return self::angleToDegree($value);
     }
 
     /**
@@ -108,7 +99,7 @@ class Drawing
      */
     public static function pixelsToCentimeters($value = 0)
     {
-        return $value * 0.026458333;
+        return self::pixelToCm($value);
     }
 
     /**
@@ -119,37 +110,6 @@ class Drawing
      */
     public static function centimetersToPixels($value = 0)
     {
-        if ($value != 0) {
-            return $value / 0.026458333;
-        } else {
-            return 0;
-        }
-    }
-
-    /**
-     * Convert HTML hexadecimal to RGB
-     *
-     * @param string $value HTML Color in hexadecimal
-     * @return array Value in RGB
-     */
-    public static function htmlToRGB($value)
-    {
-        if ($value[0] == '#') {
-            $value = substr($value, 1);
-        }
-
-        if (strlen($value) == 6) {
-            list($red, $green, $blue) = array($value[0] . $value[1], $value[2] . $value[3], $value[4] . $value[5]);
-        } elseif (strlen($value) == 3) {
-            list($red, $green, $blue) = array($value[0] . $value[0], $value[1] . $value[1], $value[2] . $value[2]);
-        } else {
-            return false;
-        }
-
-        $red = hexdec($red);
-        $green = hexdec($green);
-        $blue = hexdec($blue);
-
-        return array($red, $green, $blue);
+        return self::cmToPixel($value);
     }
 }
diff --git a/src/PhpWord/Shared/Font.php b/src/PhpWord/Shared/Font.php
index b06efa3b..6aeacef7 100644
--- a/src/PhpWord/Shared/Font.php
+++ b/src/PhpWord/Shared/Font.php
@@ -18,9 +18,12 @@
 namespace PhpOffice\PhpWord\Shared;
 
 /**
- * Common font functions
+ * Common font functions; replaced by `Converter`
+ *
+ * @deprecated 0.12.0
+ * @codeCoverageIgnore
  */
-class Font
+class Font extends Converter
 {
     /**
      * Calculate an (approximate) pixel size, based on a font points size
@@ -30,7 +33,7 @@ class Font
      */
     public static function fontSizeToPixels($fontSizeInPoints = 12)
     {
-        return ((16 / 12) * $fontSizeInPoints);
+        return self::pointToPixel($fontSizeInPoints);
     }
 
     /**
@@ -41,7 +44,7 @@ class Font
      */
     public static function inchSizeToPixels($sizeInInch = 1)
     {
-        return ($sizeInInch * 96);
+        return self::inchToPixel($sizeInInch);
     }
 
     /**
@@ -52,7 +55,7 @@ class Font
      */
     public static function centimeterSizeToPixels($sizeInCm = 1)
     {
-        return ($sizeInCm * 37.795275591);
+        return self::cmToPixel($sizeInCm);
     }
 
     /**
@@ -63,7 +66,7 @@ class Font
      */
     public static function centimeterSizeToTwips($sizeInCm = 1)
     {
-        return ($sizeInCm * 565.217);
+        return self::cmToTwip($sizeInCm);
     }
 
     /**
@@ -74,7 +77,7 @@ class Font
      */
     public static function inchSizeToTwips($sizeInInch = 1)
     {
-        return self::centimeterSizeToTwips($sizeInInch * 2.54);
+        return self::inchToTwip($sizeInInch);
     }
 
     /**
@@ -85,7 +88,7 @@ class Font
      */
     public static function pixelSizeToTwips($sizeInPixel = 1)
     {
-        return self::centimeterSizeToTwips($sizeInPixel / 37.795275591);
+        return self::pixelToTwip($sizeInPixel);
     }
 
     /**
@@ -96,6 +99,6 @@ class Font
      */
     public static function pointSizeToTwips($sizeInPoint = 1)
     {
-        return ($sizeInPoint * 20);
+        return self::pointToTwip($sizeInPoint);
     }
 }
diff --git a/src/PhpWord/Writer/ODText/Element/Image.php b/src/PhpWord/Writer/ODText/Element/Image.php
index 3229b59c..3cbb3854 100644
--- a/src/PhpWord/Writer/ODText/Element/Image.php
+++ b/src/PhpWord/Writer/ODText/Element/Image.php
@@ -17,7 +17,7 @@
 
 namespace PhpOffice\PhpWord\Writer\ODText\Element;
 
-use PhpOffice\PhpWord\Shared\Drawing;
+use PhpOffice\PhpWord\Shared\Converter;
 
 /**
  * Image element writer
@@ -40,8 +40,8 @@ class Image extends AbstractElement
         $mediaIndex = $element->getMediaIndex();
         $target = 'Pictures/' . $element->getTarget();
         $style = $element->getStyle();
-        $width = Drawing::pixelsToCentimeters($style->getWidth());
-        $height = Drawing::pixelsToCentimeters($style->getHeight());
+        $width = Converter::pixelToCm($style->getWidth());
+        $height = Converter::pixelToCm($style->getHeight());
 
         $xmlWriter->startElement('text:p');
         $xmlWriter->writeAttribute('text:style-name', 'Standard');
diff --git a/src/PhpWord/Writer/RTF/Element/Image.php b/src/PhpWord/Writer/RTF/Element/Image.php
index 1daae2a0..52e705e9 100644
--- a/src/PhpWord/Writer/RTF/Element/Image.php
+++ b/src/PhpWord/Writer/RTF/Element/Image.php
@@ -18,7 +18,7 @@
 namespace PhpOffice\PhpWord\Writer\RTF\Element;
 
 use PhpOffice\PhpWord\Element\Image as ImageElement;
-use PhpOffice\PhpWord\Shared\Font;
+use PhpOffice\PhpWord\Shared\Converter;
 
 /**
  * Image element RTF writer
@@ -45,8 +45,8 @@ class Image extends AbstractElement
         $content .= $this->writeOpening();
         $content .= '{\*\shppict {\pict';
         $content .= '\pngblip\picscalex100\picscaley100';
-        $content .= '\picwgoal' . round(Font::pixelSizeToTwips($style->getWidth()));
-        $content .= '\pichgoal' . round(Font::pixelSizeToTwips($style->getHeight()));
+        $content .= '\picwgoal' . round(Converter::pixelToTwip($style->getWidth()));
+        $content .= '\pichgoal' . round(Converter::pixelToTwip($style->getHeight()));
         $content .= PHP_EOL;
         $content .= $this->element->getImageStringData();
         $content .= '}}';
diff --git a/src/PhpWord/Writer/RTF/Part/Header.php b/src/PhpWord/Writer/RTF/Part/Header.php
index 4d8d3a27..68cf1803 100644
--- a/src/PhpWord/Writer/RTF/Part/Header.php
+++ b/src/PhpWord/Writer/RTF/Part/Header.php
@@ -18,7 +18,7 @@
 namespace PhpOffice\PhpWord\Writer\RTF\Part;
 
 use PhpOffice\PhpWord\Settings;
-use PhpOffice\PhpWord\Shared\Drawing;
+use PhpOffice\PhpWord\Shared\Converter;
 use PhpOffice\PhpWord\Style;
 use PhpOffice\PhpWord\Style\Font;
 
@@ -151,7 +151,7 @@ class Header extends AbstractPart
         $content .= '{';
         $content .= '\colortbl;';
         foreach ($this->colorTable as $color) {
-            list($red, $green, $blue) = Drawing::htmlToRGB($color);
+            list($red, $green, $blue) = Converter::htmlToRgb($color);
             $content .= "\\red{$red}\\green{$green}\\blue{$blue};";
         }
         $content .= '}';
diff --git a/src/PhpWord/Writer/Word2007/Element/AbstractElement.php b/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
index 1cbf213b..b98b983d 100644
--- a/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
+++ b/src/PhpWord/Writer/Word2007/Element/AbstractElement.php
@@ -18,7 +18,6 @@
 namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 
 use PhpOffice\PhpWord\Element\AbstractElement as Element;
-use PhpOffice\PhpWord\Element\PageBreak as PageBreakElement;
 use PhpOffice\PhpWord\Shared\String;
 use PhpOffice\PhpWord\Shared\XMLWriter;
 
diff --git a/tests/PhpWord/Tests/Element/LineTest.php b/tests/PhpWord/Tests/Element/LineTest.php
index 429f9df6..5add9a6b 100644
--- a/tests/PhpWord/Tests/Element/LineTest.php
+++ b/tests/PhpWord/Tests/Element/LineTest.php
@@ -37,17 +37,17 @@ class LineTest extends \PHPUnit_Framework_TestCase
         $this->assertInstanceOf('PhpOffice\\PhpWord\\Element\\Line', $oLine);
         $this->assertEquals($oLine->getStyle(), null);
     }
-    
+
     /**
      * Get style name
      */
     public function testStyleText()
     {
         $oLine = new Line('lineStyle');
-    
+
         $this->assertEquals($oLine->getStyle(), 'lineStyle');
     }
-    
+
     /**
      * Get style array
      */
@@ -55,14 +55,14 @@ class LineTest extends \PHPUnit_Framework_TestCase
     {
         $oLine = new Line(
             array(
-                'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(14),
-                'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(4),
+                'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(14),
+                'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(4),
                 'positioning' => 'absolute',
                 'posHorizontalRel' => 'page',
                 'posVerticalRel' => 'page',
                 'flip' => true,
-                'marginLeft' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(5),
-                'marginTop' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(3),
+                'marginLeft' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(5),
+                'marginTop' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(3),
                 'wrappingStyle' => \PhpOffice\PhpWord\Style\Image::WRAPPING_STYLE_SQUARE,
                 'beginArrow' => \PhpOffice\PhpWord\Style\Line::ARROW_STYLE_BLOCK,
                 'endArrow' => \PhpOffice\PhpWord\Style\Line::ARROW_STYLE_OVAL,
@@ -70,7 +70,7 @@ class LineTest extends \PHPUnit_Framework_TestCase
                 'weight' => 10
             )
         );
-    
+
         $this->assertInstanceOf('PhpOffice\\PhpWord\\Style\\Line', $oLine->getStyle());
     }
 }
diff --git a/tests/PhpWord/Tests/Element/TextBoxTest.php b/tests/PhpWord/Tests/Element/TextBoxTest.php
index c3c89ed4..2c6da465 100644
--- a/tests/PhpWord/Tests/Element/TextBoxTest.php
+++ b/tests/PhpWord/Tests/Element/TextBoxTest.php
@@ -55,11 +55,11 @@ class TextBoxTest extends \PHPUnit_Framework_TestCase
     {
         $oTextBox = new TextBox(
             array(
-                'width' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(4.5),
-                'height' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(17.5),
+                'width' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(4.5),
+                'height' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(17.5),
                 'positioning' => 'absolute',
-                'marginLeft' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(15.4),
-                'marginTop' => \PhpOffice\PhpWord\Shared\Drawing::centimetersToPixels(9.9),
+                'marginLeft' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(15.4),
+                'marginTop' => \PhpOffice\PhpWord\Shared\Converter::cmToPixel(9.9),
                 'stroke' => 0,
                 'innerMargin' => 0,
                 'borderSize' => 1,
diff --git a/tests/PhpWord/Tests/Shared/ConverterTest.php b/tests/PhpWord/Tests/Shared/ConverterTest.php
new file mode 100644
index 00000000..9525148c
--- /dev/null
+++ b/tests/PhpWord/Tests/Shared/ConverterTest.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Shared;
+
+use PhpOffice\PhpWord\Shared\Converter;
+
+/**
+ * Test class for PhpOffice\PhpWord\Shared\Converter
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Shared\Converter
+ */
+class ConverterTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test unit conversion functions with various numbers
+     */
+    public function testUnitConversions()
+    {
+        $values[] = 0; // zero value
+        $values[] = rand(1, 100) / 100; // fraction number
+        $values[] = rand(1, 100); // integer
+
+        foreach ($values as $value) {
+            $result = Converter::cmToTwip($value);
+            $this->assertEquals($value / 2.54 * 1440, $result);
+
+            $result = Converter::cmToInch($value);
+            $this->assertEquals($value / 2.54, $result);
+
+            $result = Converter::cmToPixel($value);
+            $this->assertEquals($value / 2.54 * 96, $result);
+
+            $result = Converter::inchToTwip($value);
+            $this->assertEquals($value * 1440, $result);
+
+            $result = Converter::inchToCm($value);
+            $this->assertEquals($value * 2.54, $result);
+
+            $result = Converter::inchToPixel($value);
+            $this->assertEquals($value * 96, $result);
+
+            $result = Converter::inchToPoint($value);
+            $this->assertEquals($value * 72, $result);
+
+            $result = Converter::pixelToTwip($value);
+            $this->assertEquals($value / 96 * 1440, $result);
+
+            $result = Converter::pixelToCm($value);
+            $this->assertEquals($value / 96 * 2.54, $result);
+
+            $result = Converter::pixelToPoint($value);
+            $this->assertEquals($value / 96 * 72, $result);
+
+            $result = Converter::pixelToEMU($value);
+            $this->assertEquals(round($value * 9525), $result);
+
+            $result = Converter::pointToTwip($value);
+            $this->assertEquals($value * 20, $result);
+
+            $result = Converter::pointToPixel($value);
+            $this->assertEquals($value / 72 * 96, $result);
+
+            $result = Converter::pointToEMU($value);
+            $this->assertEquals(round($value / 72 * 96 * 9525), $result);
+
+            $result = Converter::emuToPixel($value);
+            $this->assertEquals(round($value / 9525), $result);
+
+            $result = Converter::degreeToAngle($value);
+            $this->assertEquals((int)round($value * 60000), $result);
+
+            $result = Converter::angleToDegree($value);
+            $this->assertEquals(round($value / 60000), $result);
+        }
+    }
+
+    /**
+     * Test htmlToRGB()
+     */
+    public function testHtmlToRGB()
+    {
+        // Prepare test values [ original, expected ]
+        $values[] = array('#FF99DD', array(255, 153, 221)); // With #
+        $values[] = array('FF99DD', array(255, 153, 221)); // 6 characters
+        $values[] = array('F9D', array(255, 153, 221)); // 3 characters
+        $values[] = array('0F9D', false); // 4 characters
+        // Conduct test
+        foreach ($values as $value) {
+            $result = Converter::htmlToRGB($value[0]);
+            $this->assertEquals($value[1], $result);
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Shared/DrawingTest.php b/tests/PhpWord/Tests/Shared/DrawingTest.php
deleted file mode 100644
index 25fd3a38..00000000
--- a/tests/PhpWord/Tests/Shared/DrawingTest.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-/**
- * This file is part of PHPWord - A pure PHP library for reading and writing
- * word processing documents.
- *
- * PHPWord is free software distributed under the terms of the GNU Lesser
- * General Public License version 3 as published by the Free Software Foundation.
- *
- * For the full copyright and license information, please read the LICENSE
- * file that was distributed with this source code. For the full list of
- * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
- *
- * @link        https://github.com/PHPOffice/PHPWord
- * @copyright   2010-2014 PHPWord contributors
- * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
- */
-
-namespace PhpOffice\PhpWord\Tests\Shared;
-
-use PhpOffice\PhpWord\Shared\Drawing;
-
-/**
- * Test class for PhpOffice\PhpWord\Shared\Drawing
- *
- * @coversDefaultClass \PhpOffice\PhpWord\Shared\Drawing
- * @runTestsInSeparateProcesses
- */
-class DrawingTest extends \PHPUnit_Framework_TestCase
-{
-    /**
-     * Test unit conversion functions with various numbers
-     */
-    public function testUnitConversions()
-    {
-        $values[] = 0; // zero value
-        $values[] = rand(1, 100) / 100; // fraction number
-        $values[] = rand(1, 100); // integer
-
-        foreach ($values as $value) {
-            $result = Drawing::pixelsToEMU($value);
-            $this->assertEquals(round($value * 9525), $result);
-
-            $result = Drawing::emuToPixels($value);
-            $this->assertEquals(round($value / 9525), $result);
-
-            $result = Drawing::pixelsToPoints($value);
-            $this->assertEquals($value * 0.75, $result);
-
-            $result = Drawing::pointsToPixels($value);
-            $this->assertEquals($value * 1.333333333, $result);
-
-            $result = Drawing::degreesToAngle($value);
-            $this->assertEquals((int)round($value * 60000), $result);
-
-            $result = Drawing::angleToDegrees($value);
-            $this->assertEquals(round($value / 60000), $result);
-
-            $result = Drawing::pixelsToCentimeters($value);
-            $this->assertEquals($value * 0.026458333, $result);
-
-            $result = Drawing::centimetersToPixels($value);
-            $this->assertEquals($value / 0.026458333, $result);
-        }
-    }
-
-    /**
-     * Test htmlToRGB()
-     */
-    public function testHtmlToRGB()
-    {
-        // Prepare test values [ original, expected ]
-        $values[] = array('#FF99DD', array(255, 153, 221)); // With #
-        $values[] = array('FF99DD', array(255, 153, 221)); // 6 characters
-        $values[] = array('F9D', array(255, 153, 221)); // 3 characters
-        $values[] = array('0F9D', false); // 4 characters
-        // Conduct test
-        foreach ($values as $value) {
-            $result = Drawing::htmlToRGB($value[0]);
-            $this->assertEquals($value[1], $result);
-        }
-    }
-}
diff --git a/tests/PhpWord/Tests/Shared/FontTest.php b/tests/PhpWord/Tests/Shared/FontTest.php
deleted file mode 100644
index c10f7739..00000000
--- a/tests/PhpWord/Tests/Shared/FontTest.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-/**
- * This file is part of PHPWord - A pure PHP library for reading and writing
- * word processing documents.
- *
- * PHPWord is free software distributed under the terms of the GNU Lesser
- * General Public License version 3 as published by the Free Software Foundation.
- *
- * For the full copyright and license information, please read the LICENSE
- * file that was distributed with this source code. For the full list of
- * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
- *
- * @link        https://github.com/PHPOffice/PHPWord
- * @copyright   2010-2014 PHPWord contributors
- * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
- */
-
-namespace PhpOffice\PhpWord\Tests\Shared;
-
-use PhpOffice\PhpWord\Shared\Font;
-
-/**
- * Test class for PhpOffice\PhpWord\Shared\Font
- *
- * @coversDefaultClass \PhpOffice\PhpWord\Shared\Font
- * @runTestsInSeparateProcesses
- */
-class FontTest extends \PHPUnit_Framework_TestCase
-{
-    /**
-     * Test various conversions
-     */
-    public function testConversions()
-    {
-        $original = 1;
-
-        $result = Font::fontSizeToPixels($original);
-        $this->assertEquals($original * 16 / 12, $result);
-
-        $result = Font::inchSizeToPixels($original);
-        $this->assertEquals($original * 96, $result);
-
-        $result = Font::centimeterSizeToPixels($original);
-        $this->assertEquals($original * 37.795275591, $result);
-
-        $result = Font::centimeterSizeToTwips($original);
-        $this->assertEquals($original * 565.217, $result);
-
-        $result = Font::inchSizeToTwips($original);
-        $this->assertEquals($original * 565.217 * 2.54, $result);
-
-        $result = Font::pixelSizeToTwips($original);
-        $this->assertEquals($original * 565.217 / 37.795275591, $result);
-
-        $result = Font::pointSizeToTwips($original);
-        $this->assertEquals($original * 20, $result);
-    }
-}