Merge pull request #42 from Progi1984/cm2pt

Added conversion from centimeters to points

Author: Progi1984

src/Common/Drawing.php

@@ -77,6 +77,22 @@ public static function pointsToCentimeters(int $pValue = 0): float
         return (($pValue / 0.75) / self::DPI_96) * 2.54;
     }
 
+    /**
+     * Convert centimeters width to points
+     *
+     * @param float $pValue Value in centimeters
+     *
+     * @return float
+     */
+    public static function centimetersToPoints(float $pValue = 0): float
+    {
+        if ($pValue == 0) {
+            return 0;
+        }
+
+        return ($pValue / 2.54) * self::DPI_96 * 0.75;
+    }
+
     /**
      * Convert points width to pixels
      *

tests/Common/Tests/DrawingTest.php

@@ -74,6 +74,13 @@ public function testPointsCentimeters(): void
         $this->assertEquals($value / 0.75 / Drawing::DPI_96 * 2.54, Drawing::pointsToCentimeters($value));
     }
 
+    public function testCentimetersPoints(): void
+    {
+        $this->assertEquals(0, Drawing::centimetersToPoints());
+        $this->assertEquals(28.346456692913385, Drawing::centimetersToPoints(1));
+        $this->assertEquals(31.181102362204726, Drawing::centimetersToPoints(1.1));
+    }
+
     public function testTwips(): void
     {
         $value = rand(1, 100);