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Thread: Rotated Image

  1. Jan 30th, 2002, 12:32 PM #1
    Red Rush-In
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    Rotated Image

    Is there a way to change the agle an image is drawn using BitBlt or a simular function? Also I'm wanting to do this without using DirectX.
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  2. Feb 3rd, 2002, 09:50 AM #2
    Mad Compie
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    I don't think so. The pixels should be rotated using very fast algorithms and in a memory DC or matrix.
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  3. Feb 3rd, 2002, 10:09 AM #3
    Sastraxi
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    There is an API called PlgBlt or something similar, someone said that it can rotate, I'm not sure. You might want to look around for it.
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  4. Feb 5th, 2002, 03:18 PM #4
    Mad Compie
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    PlgBlt() is not supported in Win9x/Me/CE, only NT/2K and probably also XP.
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  6. Feb 5th, 2002, 03:53 PM #5
    Sastraxi
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    That's the bad part. You could, I suppose, use Cos() and Sin(), but these create nasty rotation holes.
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  7. Feb 5th, 2002, 03:54 PM #6
    /\/\isanThr0p
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    well there have been a lot of posts in this forum before answering that question. If you want to do it without DX I think (can't be sure though, you should read the old threads) the code by David Brebner (www.ur.co.nz) does the job quite fast.
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  8. Feb 5th, 2002, 03:57 PM #7
    Sastraxi
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    And here is the page.
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  9. Feb 5th, 2002, 04:15 PM #8
    /\/\isanThr0p
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    well isn't that a great service here ?
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  11. Feb 5th, 2002, 05:00 PM #9
    Red Rush-In
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    Exactly what I needed! Thanks guys.
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  12. Feb 5th, 2002, 07:19 PM #10
    Sastraxi
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    Yea, it was all thr0p
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  13. Feb 6th, 2002, 07:46 AM #11
    /\/\isanThr0p
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    MisanThrop!!! please
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