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Q104334: BUG: SetDIBitsToDevice Faults on 24-BPP PM-Style DIBs

Article: Q104334
Product(s): Microsoft Windows Software Development Kit
Version(s): 
Operating System(s): 
Keyword(s): kbOSWin310 _IK kbOSWin300 kbSDKWin16
Last Modified: 22-DEC-1999

3.00 3.10
WINDOWS
kbprg kbbuglist

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Windows Software Development Kit (SDK) for Windows versions 3.0, 3.1 
-------------------------------------------------------------------------------

SYMPTOMS
========

SetDIBitsToDevice faults inside GDI when passed a 24-bpp Presentation Manager
(PM) style device-independent bitmap (DIB) on a device that supports
RC_DIBTODEV.

CAUSE
=====

GDI must convert the old style BITMAPCOREINFO structure into a new BITMAPINFO
structure before passing it to a driver's RC_DIBTODEV function. If the old style
DIB has no color table, GDI will fault as it attempts to append a zero length
color table to the end of its temporary BITMAPINFOHEADER.

RESOLUTION
==========

On devices that support RC_DIBTODEV, do the conversion into the new style DIB
format for GDI before calling into it when using 24-bpp PM-style DIBs.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

Additional query words: buglist3.10 buglist3.00 3.00 3.10

======================================================================
Keywords          : kbOSWin310 _IK kbOSWin300 kbSDKWin16 
Technology        : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK300 kbWinSDK310
Issue type        : kbbug
Solution Type     : kbpending

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