[Bug 12808] New: indexed bitmaps support is broken

wine-bugs at winehq.org wine-bugs at winehq.org
Sat Apr 26 12:13:35 CDT 2008


           Summary: indexed bitmaps support is broken
           Product: Wine
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: gdi32
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: misha-cn-ua at ya.ru

This bug occurs in every application, written using AlphaControls from

The problem: skins in that controls usually consist of indexed 8-bit bitmaps,
which at runtime are converted to 24-bit, splitted into parts and used to draw
controls. Under Wine such conversion results to messed up display, the
program's interface is very poor.

A workaround is to manually convert skin bitmaps to 24-bit, then program work
almost normally, however there some other glitches (track bars).

The easiest way to show the bug is to run AlphaControls demo application under
Wine. That demo can be freely downloaded from this page:

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