Re: SetDIBits replacement

From:
"Mark Salsbery [MVP]" <MarkSalsbery[MVP]@newsgroup.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 11 Mar 2008 13:05:34 -0700
Message-ID:
<6E3D3D2D-9603-4147-AC25-B29F52E6413E@microsoft.com>
I would personally go with a DIBSection, since with a DIBSection you have
the bits pointer, the BITMAPINFO pointer, and a HBITMAP.

Very flexible IMO.

Mark

--
Mark Salsbery
Microsoft MVP - Visual C++

"mosfet" <john.doe@anonymous.org> wrote in message
news:47d6c0f5$0$23133$426a34cc@news.free.fr...

Hi,

I am developping with MFC on windows CE platform and I would like to port
a desktop software.
Unfortunately the latter uses the SetDIBits function that is not supported
on Wince. I have posted on a specialized forums and some people told me to
use StretchBlt, some other DIBSection and others SetDIBitsToDevice (WM
specific).

What is the best choice to replace SetDibBits ?
From SetDIBitsToDevice definition, I assume it could be a good replacement
but I am not sure because from the definition : is a "specified rectangle
on the device that is associated with the destination device context" ==
"a compatible bitmap (DDB)"

Here is the definition of

int SetDIBitsToDevice(
  HDC hdc,
  int XDest,
  int YDest,
  DWORD dwWidth,
  DWORD dwHeight,
  int XSrc,
  int YSrc,
  UINT uStartScan,
  UINT cScanLines,
  CONST VOID* lpvBits,
  CONST BITMAPINFO* lpbmi,
  UINT fuColorUse
);
This function sets the pixels in the specified rectangle on the device
that is associated with the destination device context using color data
from a DIB.
----------------------------------------------------------------------------------

int SetDIBits(
  HDC hdc, // handle to DC
  HBITMAP hbmp, // handle to bitmap
  UINT uStartScan, // starting scan line
  UINT cScanLines, // number of scan lines
  CONST VOID *lpvBits, // array of bitmap bits
  CONST BITMAPINFO *lpbmi, // bitmap data
  UINT fuColorUse // type of color indexes to use
);
The SetDIBits function sets the pixels in a compatible bitmap (DDB) using
the color data found in the specified DIB .

------------------------------------------------------------------------------------

WINGDIAPI UINT WINAPI GetDIBColorTable(
  HDC hdc,
  UINT uStartIndex,
  UINT cEntries,
  RGBQUAD* pColors
);
This function retrieves red, green, and blue color values from a range of
entries in the color table of the device-independent bitmap (DIB) that is
selected into a specified device context.

------------------------------------------------------------------------------------

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