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FW: Blit operation failed on MSWindows


From: Adam Fedor
Subject: FW: Blit operation failed on MSWindows
Date: Tue, 5 Jul 2005 14:58:24 -0400

This seems fine to me. Anyone have a comment or can I add it?


From: Marc Br√ľnink [mailto:address@hidden
>
>>
>> If I trust
>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/ 
>> bitmaps_6ig4.asp
>> AlphaBlend should work since Windows 98. Further I've a Windows 2000  
>> SP4 machine on which AlphaBlend seems to work. At least the tab  
>> images are shown. But I also have a Windows 2000 SP4 machine on which  
>> the AlphaBlend function returns the error described above. Perhaps  
>> it's a hardware issue???
>>
>> Marc

Until this issue is clarified I suggest a fallback to BitBlt:

success = AlphaBlend(hDC,
                              x, y, (rectFrom.right - rectFrom.left), h,
                              sourceDC,
                              rectFrom.left, rectFrom.top,
                              (rectFrom.right - rectFrom.left), h,  
blendFunc);
if(success)
         break;





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