>> I am using Window DC's to make GDI calls and then interpreting the data
>> from the DC pixel by pixel using GetPixel. Would it be faster to make
>> the GDI calls to a memory DC and read from the memory DC?
>> Do you have a faster method of getting ALL the individual pixel values
>> (COLORREFs) in a DC instead of using GetPixel 1000's of times?
>It's be better to copy the image in the DC to a DDB and then convert
>it to a DIB giving you complete access to the pixels.
Yes. Or, if you are using Win32, create a DIBSection, associate it
with a memory DC, then call your GDI APIs on that DC. When you are
finished you will have your buffer of pixels without any intermediate