Looking for an ActiveX Component capable of rendering PNG’s transparency and translucency [closed]

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开发者_JAVA技巧

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I need a component or some way to render PNGs on my application in order to improve its design. I believe somewhere some control should exist, but I did not find it. I am developing on Visual Dataflex, and all I can use is Windows' API and COM-based components.I do not have GDI+, which makes use of C++ classes. If no free solution is to be found, I will build some component on C++, but there should be a way to do this easier and more successfully.

Has someone a suggestion?

Forgive my english. Kind Regards.

Claudio M. Souza Junior.

Developer.

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The libpng site has a full list of implementation:

Programming Libraries and Toolkits with PNG Support

This one looks interesting (open source, win32 support): http://www.paintlib.de/paintlib/ (untested). It's not maitained anymore but source is included, and there are not many reason to face big issues today if it used to work well during many years.

It's not COM-based, but is it a problem for you?