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Background image for window on Windows

 
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stjepan



Joined: 11 Apr 2005
Posts: 22
Location: Croatia

PostPosted: Wed Apr 27, 2005 11:41 am    Post subject: Background image for window on Windows Reply with quote

I use:
Code:
paintDelegate ~= delegate void(Component source, GContext gc) {
   HBITMAP bmp = cast(HBITMAP)LoadImageA(null, "img/background.bmp", IMAGE_BITMAP, 0, 0, 0x10);
   SelectObject(gc.peer, bmp);
   BitBlt(gc.peer, 0, 0, 700, 700, GetDC(bmp), 0, 0, 0xCC0020);
   gc.flush();
};
It doesn't work. I don't know very much about WinAPI. Sad
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I speak a little English. I am beginner in programming. I know C++, C# and D.
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BenHinkle



Joined: 27 Mar 2004
Posts: 76

PostPosted: Thu Apr 28, 2005 8:32 pm    Post subject: Reply with quote

Try something like
Code:

paintDelegate ~= delegate void(Component source, GContext gc) {
   HBITMAP bmp = cast(HBITMAP)LoadImageA(null, "img/background.bmp", IMAGE_BITMAP, 0, 0, 0x10);
   HDC bmpdc = CreateCompatibleDC(gc.peer);
   SelectObject(bmpdc, bmp);
   BitBlt(gc.peer, 0, 0, 700, 700, bmpdc, 0, 0, 0xCC0020);
   gc.flush();
   DeleteDC(bmpdc);
   DeleteObject(bmp);
};

Caching the handles so that they are create and deleted every time through the paint delegate would speed up the drawing if needed.
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stjepan



Joined: 11 Apr 2005
Posts: 22
Location: Croatia

PostPosted: Fri Apr 29, 2005 2:59 pm    Post subject: Reply with quote

Now it works, thanks.
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sshenzhuzhu



Joined: 14 Nov 2011
Posts: 2

PostPosted: Wed Nov 30, 2011 10:00 pm    Post subject: Reply with quote

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