Adding Alpha value to hex color

Adding Alpha value to hex color - Printable Version

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Adding Alpha value to hex color - Mellnik - 05.07.2013

How do I make that 0x88CC44FF becomes for example 0x88CC4477?

Re: Adding Alpha value to hex color - Stylock - 05.07.2013

Pretty sure you need bitwise AND: &

Re: Adding Alpha value to hex color - Deathstalker - 05.07.2013

0xCC0000FF, the part being HEX. Woops, now that I tried it, the alpha/transparency does not work with it.

AW: Re: Adding Alpha value to hex color - Mellnik - 05.07.2013

Quote:

Originally Posted by Stylock

Pretty sure you need bitwise AND: &

As far as I know bitwise AND is used for something else.

Re: Adding Alpha value to hex color - Deathstalker - 05.07.2013

This might help you.

Re: AW: Re: Adding Alpha value to hex color - Stylock - 05.07.2013

Quote:

Originally Posted by Mellnik

As far as I know bitwise AND is used for something else.

Then you don't know far enough.

EDIT: ******, I think it's more difficult to understand how substraction works with hex than with normal numbers.

AW: Re: AW: Re: Adding Alpha value to hex color - Mellnik - 05.07.2013

Quote:

Originally Posted by ******

You want to make a number smaller? This is commonly known as "subtraction", and taught to school children when they are like 5!

Nice answer

Quote:

Originally Posted by Stylock

Then you don't know far enough.

Sorry i thought they are used to compare something. Well how would you do it then?

Re: Adding Alpha value to hex color - Stylock - 05.07.2013

This returns alpha:

Код:

0x88CC4488 & 0x000000FF

Re: Adding Alpha value to hex color - Kar - 05.07.2013

I think you literally have to minus 8 from the number.. (F = 15 so 15 - 8 = 7)

Re: Adding Alpha value to hex color - Vince - 05.07.2013

0x88 to be precise, not 8 as a decimal.