Text add fontStype property

doric-js/src/util/gravity.ts

@@ -99,6 +99,7 @@ export class Gravity implements Modeling {
     static Top = Gravity.origin.top()
     static Bottom = Gravity.origin.bottom()
 }
+
 export function gravity() {
     return new Gravity
 }

doric-js/src/widget/text.ts

@@ -24,6 +24,7 @@ export interface IText extends IView {
     textSize?: number
     maxLines?: number
     textAlignment?: Gravity
+    fontStyle?: "normal" | "bold" | "italic" | "bold_italic"
 }
 
 export class Text extends View implements IText {
@@ -41,6 +42,9 @@ export class Text extends View implements IText {
 
     @Property
     textAlignment?: Gravity
+
+    @Property
+    fontStyle?: "normal" | "bold" | "italic" | "bold_italic"
 }
 
 export function text(config: IText) {