Bitblt
BitBlt WinAPI function performs a bit-block transfer of the color data corresponding to a rectangle of pixels from the specified source device context into a destination device context.
Stretchblt
The StretchBlt function copies a bitmap from a source rectangle into a destination rectangle, stretching or compressing the bitmap to fit the dimensions of the destination rectangle, if necessary
Others
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From my tests bitblt is x75 faster than stretchblt from question StretchBlt so slow - any good alternatives? |