public void TestAddTextWalterMark_Png_Small() { string srcImage = @"C:\Users\suzhong\Desktop\New folder\Untitled.png"; string outPath = @"C:\Users\suzhong\Desktop\New folder"; string srcText = "Chinese American Civic Association"; WaterMark walterMark = new WaterMark(srcImage, srcText, outPath); walterMark.ShortText = "咔咔华人社区"; var outImage = walterMark.AddTextWalterMark(); }