How to add width to icon without Materialbutton

I want to show bold icon in my app but I don't want to use material icon because when I tap on it it show splash effect and I don't want that so is there any way to add width to icons in flutter?

My icon:-

My desire result:-

Here is my code:-

 Padding(
                              padding: const EdgeInsets.only(left: 10),
                              child: Icon(
                                Icons.add,
                                color: DarkBlueColor,
                              ),
                            ),

CodePudding user response：

simply you can set the splash color to transparent

CodePudding user response：

You can use icons inside the text widget and assign font size,font weight,font family and package also this makes your icon bold I Hope this solution will work for you, Thanks   
 Text(
                String.fromCharCode(CupertinoIcons.exclamationmark_circle.codePoint),
                style: TextStyle(
                  inherit: false,
                  color: Colors.red,
                  fontSize: 30.0,
                  fontWeight: FontWeight.w700,
                  fontFamily: CupertinoIcons.exclamationmark_circle.fontFamily,
                  package: CupertinoIcons.exclamationmark_circle.fontPackage,
                ),
              )