Add putTextAsync method

Author: lolikung

cc/imgproc/MatImgproc.cc

@@ -60,6 +60,7 @@ void MatImgproc::Init(v8::Local<v8::FunctionTemplate> ctor) {
   Nan::SetPrototypeMethod(ctor, "drawFillPoly", DrawFillPoly);
   Nan::SetPrototypeMethod(ctor, "drawFillConvexPoly", DrawFillConvexPoly);
   Nan::SetPrototypeMethod(ctor, "putText", PutText);
+  Nan::SetPrototypeMethod(ctor, "putTextAsync", PutTextAsync);
   Nan::SetPrototypeMethod(ctor, "matchTemplate", MatchTemplate);
   Nan::SetPrototypeMethod(ctor, "matchTemplateAsync", MatchTemplateAsync);
   Nan::SetPrototypeMethod(ctor, "canny", Canny);
@@ -546,6 +547,14 @@ NAN_METHOD(MatImgproc::PutText) {
   );
 }
 
+NAN_METHOD(MatImgproc::PutTextAsync) {
+  FF::executeAsyncBinding(
+    std::make_shared<MatImgprocBindings::PutTextWorker>(Mat::unwrapSelf(info)),
+    "Mat::PutTextAsync",
+    info
+  );
+}
+
 NAN_METHOD(MatImgproc::MatchTemplate) {
   FF::executeSyncBinding(
     std::make_shared<MatImgprocBindings::MatchTemplateWorker>(Mat::unwrapSelf(info)),

cc/imgproc/MatImgproc.h

@@ -64,6 +64,7 @@ class MatImgproc {
   static NAN_METHOD(DrawFillPoly);
   static NAN_METHOD(DrawFillConvexPoly);
   static NAN_METHOD(PutText);
+  static NAN_METHOD(PutTextAsync);
   static NAN_METHOD(MatchTemplate);
   static NAN_METHOD(MatchTemplateAsync);
   static NAN_METHOD(Canny);

lib/typings/Mat.d.ts

@@ -245,6 +245,7 @@ export class Mat {
   pushBack(mat: Mat): Mat;
   pushBackAsync(mat: Mat): Promise<Mat>;
   putText(text: string, origin: Point2, fontFace: number, fontScale: number, color?: Vec3, thickness?: number, lineType?: number, bottomLeftOrigin?: boolean): void;
+  putTextAsync(text: string, origin: Point2, fontFace: number, fontScale: number, color?: Vec3, thickness?: number, lineType?: number, bottomLeftOrigin?: boolean): Promise<void>;
   pyrDown(size?: Size, borderType?: number): Mat;
   pyrDownAsync(size?: Size, borderType?: number): Promise<Mat>;
   pyrUp(size?: Size, borderType?: number): Mat;