feat(graphical engine): boldness java side

Author: NaejDoree

engine/modules/entities/src/main/java/com/codingame/gameengine/module/entities/Serializer.java

@@ -48,6 +48,7 @@ class Serializer {
         keys.put("strokeColor", "sc");
         keys.put("fontFamily", "ff");
         keys.put("fontSize", "s");
+        keys.put("fontWeight", "fw");
         keys.put("text", "T");
         keys.put("children", "ch");
         keys.put("scaleX", "sx");

engine/modules/entities/src/main/java/com/codingame/gameengine/module/entities/Text.java

@@ -7,12 +7,25 @@
  */
 public class Text extends TextureBasedEntity<Text> {
 
+    /**
+     * The list of supported font weight.
+     * 
+     */
+    public static enum FontWeight {
+        NORMAL, BOLD, BOLDER, LIGHTER;
+
+        public String toString() {
+            return super.toString().toLowerCase();
+        }
+    }
+
     private String text = "";
     private int strokeColor = 0;
     private double strokeThickness = 0;
     private int fillColor = 0;
     private int fontSize = 26;
     private String fontFamily = "Lato";
+    private FontWeight fontWeight = FontWeight.NORMAL;
 
     Text() {
         super();
@@ -132,6 +145,29 @@ public Text setStrokeThickness(double strokeThickness, Curve curve) {
         set("strokeThickness", strokeThickness, curve);
         return this;
     }
+    /**
+     * Sets the weight of the font of this <code>Text</code>.
+     * 
+     * @param style
+     *            the FontWeight of the <code>Text</code>.
+     * @return this <code>Text</code>.
+     */
+    public Text setFontWeight(FontWeight weight) {
+        this.fontWeight = weight;
+        set("fontWeight", weight.toString());
+        return this;
+    }
+
+    /**
+     * Returns the weight of the font of this <code>Text</code>.
+     * <p>
+     * Default is NORMAL.
+     * 
+     * @return the weight of the font of this <code>Text</code>.
+     */
+    public FontWeight getFontWeight() {
+        return this.fontWeight;
+    }
 
     /**
      * Returns the color of the fill of this <code>Text</code> as an RGB integer.