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

 Last reviewed: January 5, 1995
Article ID: Q104334
The information in this article applies to:
  • Microsoft Windows Software Development Kit (SDK) for Windows, versions 3.0 and 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 Windows versions 3.0 and 3.1. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional reference words: buglist3.10 buglist3.00 3.00 3.10
KBCategory: kbprg kbbuglist
KBSubcategory: GdiBmp

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Last reviewed: January 5, 1995
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