Added ability to specify font size and name

Author: jameskleeh

docs/styles.adoc

@@ -29,7 +29,6 @@ You can also specify the font color:
 
 [source,groovy]
 ----
-import com.jameskleeh.excel.Font
 import java.awt.Color
 
 ...
@@ -39,6 +38,24 @@ cell("A", [font: [bold: true, color: Color.RED])
 
 TIP: Any option that expects a color supports colors specified by an instance of java.awt.Color or the string hex value ("#FFFFFF")
 
+The font size can also be specified:
+
+[source,groovy]
+----
+...
+cell("A", [font: [size: 12.5])
+...
+----
+
+The font name can be set as well:
+
+[source,groovy]
+----
+...
+cell("A", [font: [name: "Arial"])
+...
+----
+
 === Hidden
 
 Cells can be hidden by passing the `hidden` argument:
@@ -250,10 +267,10 @@ If you have a fill pattern set, the `foregroundColor` attribute will set the for
 
 [source,groovy]
 ----
+import java.awt.Color
+
 ...
 cell("A", [foregroundColor: "#000000"])
-
-// or as a java.awt.Color
 cell("B", [foregroundColor: Color.BLACK])
 ...
 ----
@@ -264,10 +281,10 @@ To set the background color of a cell, use the `backgroundColor` argument:
 
 [source,groovy]
 ----
+import java.awt.Color
+
 ...
 cell("A", [backgroundColor: "#000000"])
-
-// or as a java.awt.Color
 cell("B", [backgroundColor: Color.BLACK])
 ...
 ----

src/main/groovy/com/jameskleeh/excel/CellStyleBuilder.groovy

@@ -68,6 +68,8 @@ class CellStyleBuilder {
     protected static final String FONT_STRIKEOUT = 'strikeout'
     protected static final String FONT_UNDERLINE = 'underline'
     protected static final String FONT_COLOR = 'color'
+    protected static final String FONT_NAME = 'name'
+    protected static final String FONT_SIZE = 'size'
     protected static final String FILL = 'fill'
     protected static final String BACKGROUND_COLOR = 'backgroundColor'
     protected static final String FOREGROUND_COLOR = 'foregroundColor'
@@ -182,6 +184,12 @@ class CellStyleBuilder {
                 if (fontMap.containsKey(FONT_COLOR)) {
                     font.setColor(getColor(fontMap[FONT_COLOR]))
                 }
+                if (fontMap.containsKey(FONT_SIZE)) {
+                    font.setFontHeight((Double)fontMap[FONT_SIZE])
+                }
+                if (fontMap.containsKey(FONT_NAME)) {
+                    font.setFontName((String)fontMap[FONT_NAME])
+                }
             } else {
                 throw new IllegalArgumentException('The font option must be an instance of a Map')
             }