Thanks for your answers, but you partly seem to misunderstand me: The cleanstretch is not the problem. If I use DirectDraw with no hardware stretch, it already does the clean integer stretching. My question was if I can force it just to stretch to a certain factor? As I said, at a screen with a resolution of 1360x768, an image of 384x224 pixels would stretch three times. This would be 1152x672, the maximum integer stretching that still fits on the screen. But I wanted to know if I can force it to stretch only two times (768x448) even on the bigger screen. But as far as I understand it, that's not possible.
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