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Thanks.

Working much better now.
(The alignment was definitely an issue also.)

Thanks again everyone.

Cheers.

Actually sometimes is really all the time. For my testing I am
always using the same source image.

Here is how I initialize the header:




BITMAPINFO Info;

Thanks.
Not passing the memDC works much better.

However, my output is still not perfect. I get
a resized image that resembles the original,
but sometimes it comes out grayscale and a
little...

I have tried GetLastError in various portions of
my code, but I always get ERR_SUCCESS.

Any other ideas?

Greetings,

I am trying to resize a bitmap in memory using
StretchDIBits and GetDIBits and, in turn, output
the file to a BIP format.

Without resizing the following code works fine
when...