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Almar
Moderator

Netherlands
192 Posts
Posted - Aug 19 2004 :  09:32:33 AM  Show Profile  Visit Almar's Homepage  Send Almar an ICQ Message  Reply with Quote
Hi,

If there's one thing that can frustrate me a lot in DirectX, it would be the windowed/fullscreen changes. You have to take into account the client area ("body" of the window) and the actual windowsize. Stir that with ScaleX,ScaleY, Twips, ScaleWidth & scaleHeight and you'll get a headache gauranteed :).

I've got some half working thing. It takes into account the caption bar and borders, but somehow, with resetting to windowed, from fullscreen, the dimensions are different than simply resizing it from already windowed mode. My code is based on the desperate SDK code (the util bas file)

Does anyone have a easy to use chunk of code to fix this nightmare? I think it's one of the few last structural problems in YALG.

Thanks,
Almar :)

Eric Coleman
Gladiator

USA
811 Posts
Posted - Aug 19 2004 :  10:59:21 AM  Show Profile  Visit Eric Coleman's Homepage  Reply with Quote
What about using two forms, one for windowed mode, and the other for fullscreen mode?

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VBBR
Moderator

Brazil
617 Posts
Posted - Aug 19 2004 :  11:23:32 AM  Show Profile  Reply with Quote
Let me see, if I understood your problem right, this code should help a little. Just call ResizeClient to set a size for the client area (in pixels).

Also be sure to set ScaleMode to Twips. (or put in some code to set it)

Private BorderHeight As Integer
Private BorderWidth As Integer
  
Public Sub CalcBorders()  
    Me.Width = 1500  
    Me.Height = 1500  
  
    BorderHeight = Me.Height - Me.ScaleHeight  
    BorderWidth = Me.Width - Me.ScaleWidth  
End Sub
  
Public Sub ResizeClient(Width As Integer, Height As Integer) 'in PIXELS  
    Me.Width = (Width * 15) + BorderWidth  
    Me.Height = (Height * 15) + BorderHeight  
End Sub
  
Private Sub Form_Load()  
    'anything...  
    CalcBorders  
    'anything...  
End Sub

Also I'm assuming here that you are using VB6?
Whatever. Who knows...
Edited by - VBBR on Aug 19 2004 11:24:59 AM
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Almar
Moderator

Netherlands
192 Posts
Posted - Aug 19 2004 :  12:21:57 PM  Show Profile  Visit Almar's Homepage  Send Almar an ICQ Message  Reply with Quote
Hmm, the * 15 should be a value from screen.twipsperpixelX and screen.twipsperpixelY I think? :)

But I guess I can give it a try.

Eric: Two forms is a real dirty way, and it should just work with one form anyway, the borders are the only problem in my calculations I think..
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Almar
Moderator

Netherlands
192 Posts
Posted - Aug 19 2004 :  12:29:30 PM  Show Profile  Visit Almar's Homepage  Send Almar an ICQ Message  Reply with Quote
Learned something new too: never knew the scale has influence on the way DirectX renders things? Or maybe it's something in my code. but if I put it on userscale and 320x240, it is rendered that way. Maybe I'm using ScaleWidth somewhere. Funny though :)

Okay, it works fine now, the solution was - and here it comes - to resize your window after the device reset instead of before. I always thought you had to resize your window before the change, but guess not.

I updated your code a bit:
  
Public Sub CalcBorders()  
    With frmMain  
        .ScaleMode = vbTwips  
        BorderHeight = .Height - .ScaleHeight  
        BorderWidth = .Width - .ScaleWidth  
        .ScaleMode = vbPixels  
    End With
End Sub
  
Public Sub ResizeClient(Width As Integer, Height As Integer) 'in PIXELS  
    With frmMain  
        .Width = .ScaleX(Width, vbPixels, vbTwips) + BorderWidth  
        .Height = .ScaleY(Height, vbPixels, vbTwips) + BorderHeight  
    End With
End Sub
  


since I'm using Pixels.
Edited by - Almar on Aug 19 2004 12:40:26 PM
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cjb0087
Knave

Australia
76 Posts
Posted - Aug 28 2004 :  8:21:47 PM  Show Profile  Visit cjb0087's Homepage  Reply with Quote
look up the AdjustWindowRectEx api NOW! it does all of this for you, resises the inside bit of a form to the requested size, how do i know this? ive had this problem before
www.bugsplat.tk
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