Android Question Change PNG base color

[joneden]

Hi All,

I'm using a set of PNG based images as icons and they are all initially a white icon with transparent background. On a lot of them I need to have them so that they can be coloured - not the transparent background but the white part of the image.

Without it being too slow or memory intensive Is there a way to do a color wash on an icon without affecting the transparent part.

Any pointers on how to do this short of pre creating all the icons in the colours I need?

Regards

Jon

 

[Erel]

There is no simple way to change a color. Maybe you can split the icon into two images and then put them one above the other?

 

[joneden]

Thats a shame.

Yeah kind of along the lines I was thinking.

If I reversed the image so that the oiriginal transparent area is now opaque and the actual image is now an alpha transparent layer I could then have the background colour behind the image.

If I generate this as a panel of the same size as the image then I should be able to make it self contained object - think it would work? I can't think of any reason that it would cause issues.

 

[Erel]

It should work. You can also use Canvas to draw multiple images one above the other.