Thread: DrawDIBDraw Problem

  1. #1
    Registered User
    Join Date
    Nov 2002

    Talking DrawDIBDraw Problem

    Dear friends

    i am using DrawDIBDraw function to draw a large bitmap. As a result, the Bitmap is drawn for the fraction of a second and then it disappears. I am using following code .....

    HDRAWDIB hdd = DrawDibOpen();
    DrawDibDraw(hdd, hPaintDC,0,0,BITMAP_WIDTH,BITMAP_HEIGHT,& m_BitmapInfo,m_pBits,0,0,BITMAP_WIDTH,BITMAP_HEIGH

    how can i solve the problem . why it disappears.


  2. #2
    Banned master5001's Avatar
    Join Date
    Aug 2001
    Visalia, CA, USA
    Don't post the same question more than once. And for the record the reason the picture will only show momentarily is because even a mono image as big as your image will be 241 megs! I assume you are using a paletted image (that was my assumption in the pm). If you are using a 24bit image then we are taking about a 4gig image. An image this large is just an enormous drain on system resources and windows is reacting to it in an expected way. Break your image up a bit (even at 1024x1024 there would be nearly 2000 images).

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