[Scummvm-tracker] [ScummVM :: Bugs] #10686: WME: Sprite background is not fully transparent if AlphaColor is set

[ScummVM :: Bugs]

#10686: WME: Sprite background is not fully transparent if AlphaColor is set
----------------------------+--------------------------------
  Reporter:  lolbot-iichan  |      Owner:  somaen
      Type:  defect         |     Status:  pending
  Priority:  normal         |  Component:  Engine: Wintermute
Resolution:  fixed          |   Keywords:
      Game:  Wintermute     |
----------------------------+--------------------------------

Comment (by Filippos Karapetis <bluegr@…>):

 In [changeset:"c4dc251f2b3e1f8174136e2880561a6e64bf7411" c4dc251f]:
 {{{
 #!CommitTicketReference repository=""
 revision="c4dc251f2b3e1f8174136e2880561a6e64bf7411"
 GRAPHICS: Fix fully transparent pixel blit

 In BLEND_NORMAL mode with color != 0xffffffff, blending fully
 transparent pixel was resulted in slightly modifying some background
 colors, because old value X was a bit different from new value (X*255>>8).

 This fixes defect #10686 WME: Sprite background is not fully transparent
 if AlphaColor is set
 }}}

-- 
Ticket URL: <https://bugs.scummvm.org/ticket/10686#comment:3>
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