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Thread: Problems flipping a picture

  1. Aug 10th, 2000, 04:26 PM #1
    willow
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    I am having trouble. I wrote a function that should flip an image box, but I am having a couple of problems.

    Here is the source code:
    Picture1.ScaleWidth = Image1.Width
    Picture1.ScaleHeight = Image1.Height
    Picture1.Width = Image1.Width
    Picture1.Height = Image1.Height
    Picture1.Picture = Image1.Picture
    Picture2.Height = Image1.Height
    Picture2.Width = Image1.Width
    Picture2.PaintPicture Picture1.Picture, Picture1.ScaleWidth, 0, -1 * Picture1.ScaleWidth, Picture1.ScaleHeight
    Image1.Picture = Picture2.Image

    Problem #1: I am having is that when I run this, PictureBox2 momenterally flashes with the flipped image. Then, the image disappears and PictureBox2 reverts back to what is was before.

    Problem #2: When the picture flashes up, I noticed that the transparency disappears. How would I fix this?

    Thanks,
    Bob
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  2. Aug 10th, 2000, 04:52 PM #2
    kedaman
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    writing software in C++ is like driving rivets into steel beam with a toothpick.
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  3. Aug 10th, 2000, 04:56 PM #3
    kedaman
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    For your second problem, you can't have the picture transparent like the image control. But you could download my transparent picturebox on my homepage that you can have a certain maskcolor to be transparent, by cutting the region of the control
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    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.
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