Image overlay

:WAVE:

I have monochromatic images available in either BMP or metafile formats.

I would like to do the following but havent got a clue about how to go around solving the problem

1) I would like to overlay one image on top of another image but see through the background to the image below

2) I would like the ability to change the colour of any paticular image file to any colour the user chooses.

Can I do this and if so how would I go about doing it?

Thanks in advance

Rgds

Eddie

[554 byte] By [Eddie Burdak] at [2007-11-11 7:45:47]

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# 1 Re: Image overlay

You can use BitBlt to overlay one bitmap onto another; see http://www.vb-helper.com/howto_drag_picture_with_bitblt_repair.html for details. You may simply "play" a metafile onto a device context containing the background image; see http://vb.mvps.org/articles/ap200001.asp for more information.

You may find this site helpful in answering your second question: http://vb.mvps.org/hardcore/html/palettetricks.htm . Otherwise, I think you'll need a third-party graphics library.

Phil Weber at 2007-11-11 17:26:27 >

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