int CMapEditorView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CFormView::OnCreate(lpCreateStruct) == -1)
return -1;
lpDD = NULL;
lpDDSPrimary = NULL;
// Create the DDraw7 object.
if ( FAILED( DirectDrawCreateEx(NULL, (VOID**)&lpDD, IID_IDirectDraw7, NULL) ) ) {
MessageBox("Failed to create DDraw device","DDraw",MB_OK);
return FALSE;
}
// Set Cooperative Level
if ( FAILED( lpDD->SetCooperativeLevel( AfxGetMainWnd()->GetSafeHwnd() , DDSCL_NORMAL) ) ){
MessageBox("Failed to set cooperatve level","DDraw",MB_OK);
return FALSE;
}
ZeroMemory( &ddsd, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
// Create the primary surface using the description in
// ddsd.
if ( FAILED( lpDD->CreateSurface( &ddsd, &lpDDSPrimary, NULL ) ) ){
MessageBox("Failed to create DDraw surface","DDraw",MB_OK);
return FALSE;
}
return 0;
}
Q about DirectDraw in windowed mode...
Author
i''m making an SDI app and want to have a surface
as my edit board.
anyway, i created a normal SDI thingy with CFormView as a child window
and my oncreate func for the child win looks like:
You need to make a secondary buffer and attach a DD7 clipper object using the hWnd of the target render window. And then blit it onto the primary buffer (in the OnPaint event for instance).
Magmai Kai Holmlor
- Not For Rent
Magmai Kai Holmlor
- Not For Rent
Hi Gilzu,
thanks for your post.
I am also very interested in implenting
ddraw in a windowed mfc app.I see your
code in this threat and it helps me alot.
Maybe you can tell me how you release the
direct draw surfaces and the ddraw object.
I mean the blabla->release stuff.
Where do you put the closing code
for direct draw.
Thanks in advance!
Bye
Zackie62
quote:
Where do you put the closing code
for direct draw.
In the destructor of the object that created it is usually a decent spot.
CMyClass::~CMyClass(){if(m_pDD7)m_pDD7->Release();} Alternatively, you can use a ATL template smartpointer and it will do this automatically.
#include "ATLBase.h" CComPtr<IDirectDraw7> m_spDD7; Magmai Kai Holmlor
- Not For Rent
Edited by - Magmai Kai Holmlor on November 3, 2001 12:34:41 PM
Edited by - Magmai Kai Holmlor on November 3, 2001 12:35:11 PM
Author
nice.
now what ive noticed, is that the clipper copies a rectangle
from the fullscreen mode, meaning, that when i draw a rect in (50,50,100,100)
and ill move the window, the rectangle coordinates remain absolute to
the screen. meaning that in relation to the screen it wont move.
any ideas how to overcome this problem?
Gil
p.s.
Zackie62: cool, np
now what ive noticed, is that the clipper copies a rectangle
from the fullscreen mode, meaning, that when i draw a rect in (50,50,100,100)
and ill move the window, the rectangle coordinates remain absolute to
the screen. meaning that in relation to the screen it wont move.
any ideas how to overcome this problem?
Gil
p.s.
Zackie62: cool, np
Hi Gilzu,
I have another question for you!
Where do you put the declarations?
I mean:
LPDIRECTDRAW7 lpdd;
LPDIRECTDRAWSURFACE7 lpddsprimary;
etc.
Thanks in advance!
Bye,
Zackie62
P.S.:Do you use the appwizard to create your app?
Author
if youll follow ms guidelines,
on your documentView classed (the class which you derive your document CView)
you should put all things related to whats in it, which in your case is all
the DDraw interfaces (lpDD, lpDDSPrimary and so on).
and in your CDocument derived class you put everything related to your saved document
and data.
when you wanna draw the document, use GetDocument() func to get the related
view data.
Gil
on your documentView classed (the class which you derive your document CView)
you should put all things related to whats in it, which in your case is all
the DDraw interfaces (lpDD, lpDDSPrimary and so on).
and in your CDocument derived class you put everything related to your saved document
and data.
when you wanna draw the document, use GetDocument() func to get the related
view data.
Gil
Hi Gilzu,
I try to use ddraw and mfc together but
I don`t get it to work.
So I would be very happy if you could send
me the sourcecode of your working app.
Thanks in advance!
Bye,
Zackie62
I try to use ddraw and mfc together but
I don`t get it to work.
So I would be very happy if you could send
me the sourcecode of your working app.
Thanks in advance!
Bye,
Zackie62
This topic is closed to new replies.
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