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Asked: 2026-06-08T11:27:24+00:00

I’m executing dcraw and using an anonymous pipe to pipe it to a char

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I’m executing dcraw and using an anonymous pipe to pipe it to a char array.

My question is how can I create a Gdiplus::Image object from a char array containing the jpeg image? Without writing and reading it from the disk.

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  1. Editorial Team

    You can create a Gdiplus::Bitmap from an IStream source. There are built-in Windows APIs that can do this for you – see CreateStreamOnHGlobal. Another way is to write your own class that implements IStream.

    Here is an example using CreateStreamOnHGlobal to load PNG resources from memory.

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