Casting String to Uint

[leewilson86]

Hello,

Does anyone know how to cast a string into a uint?

I have tried some along the lines of the following:

var myStr:String = "0x000000";
var myUint:uint;

myUint = uint(myStr);

But i keep getting an error stating that there is a mismatch in variable types or i get a value of '65280' when I trace myUint. I understand that uint is a positive integer but i need to accept a string for the colour value and need to convert it to a string for use.

Any suggestions and correct answers are welcome. I will post or indicate the working solution once this problem has been solved.

Thanks in advance to everyone,

Lee

[btmoss]

var s:String = "0x123456";
var u:uint = uint(s);
trace(u); // outputs 1193046

Should work.

Are you sure there's nothing else in there that is causing the problem?

[leewilson86]

Hi,

thank you for your reply. i have followed your instructions and that works but the trace value is not what I want. I am wanting to convert a string with the value of 0x000000 to a uint with a value of 0x000000 not with an obscure value. Its basically to change a colour fill for a shape.

If you are able to expand on this, it would be very helpful. I have read through the uint class and tried several things but had no luck and I cant seem to find anything which gives what I would like on Google or other reputable ActionScript 3.0 websites.

Thanks

Lee

[btmoss · Accepted solution]

The uint equivalent of the hex value 0x000000 is 0.

Try this:

var s1:String = "0xffeedd";
trace(s1); //outputs 0xffeedd

var u:uint = uint(s1);
trace(u); // outputs 16772829

var s2:String = u.toString(16);
trace(s2); // outputs ffeedd

var s3:String = "0x" + s2;
trace(s3); // outputs 0xffeedd

The u is the numerical equivalent of the first string.

The second string converts back to hex and the third sticks the "0x" back on. Basically it's all the same value using a different system for recording it.

[Ned Murphy]

There is nothing obscure about what the uint value of a hexadecimal value is--you will not get a uint value to be a hexadecimal value, just the integer value equal to the hexadecimal vaue. Have you tried using the value it does produce for the colorfill?

[The_Real_Mike_Britton]

I am having the same problem. The drawing API needs a uint. Because people often pass #000000 instead of 0x000000 and casting a string to a uint simply doesn't work for the drawing API, this functionality is ambiguous.

[Guest]

yeah ... but you can use string methods to check for different rgb formats and convert. i.e.