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Thread: Image Questions!

  1. Feb 21st, 2002, 11:27 AM #1
    Matto
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    Image Questions!

    Hello there, I have a few questions reguarding image resizing and rotation.

    Currently I have a program which grabs images from 1600x1200, and larger resolutions, and changes them to around 200x250. One problem I am having is the major distortion occuring to the images quality, I have tried using both StrechBit with BLACKONWHITE, and PaintPicture. I am wondering if there is a way for me to get better image quality. Maybe a BiCubic Algorythm or something.

    Next I am wondering if its possible to rotate the picture in the picture box. becase all my images are on their side, and id rather them be the correct way up.

    If anyone is able to help be I would greatly appreciate it.
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  2. Feb 21st, 2002, 01:26 PM #2
    LeeGriffiths
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    Don't know about the resizing issue, but the rotation is done by performing a matrix on the vectors.
    Or the easiest way is if is x,y, is inverted then simply swap the x and y co-orindates when drawing back to the screen
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  3. Feb 21st, 2002, 02:19 PM #3
    /\/\isanThr0p
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    well I think on www.ur.co.nz there are tutorials and code on how to do nice filtered resizing.
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