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Use premultiplied alpha for plDynamicTextMaps on GUI controls.

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This fixes the irregular dark fringes around light text when not exactly pixel-aligned that are caused by independent interpolation of color and alpha. It also makes calculations simpler for things to come.
This commit is contained in:
Christian Walther
2011-12-30 15:10:47 +01:00
parent 1f0277e3e0
commit e02141055a
10 changed files with 149 additions and 35 deletions
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MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIControlMod.cpp
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@ -695,7 +695,7 @@ hsBool pfGUIControlMod::ISetUpDynTextMap( plPipeline *pipe )
extraH -= height;
fDynTextMap->Reset();
fDynTextMap->Create( width, height, HasFlag( kXparentBgnd ), extraW, extraH );
fDynTextMap->Create( width, height, HasFlag( kXparentBgnd ), extraW, extraH, true );
fDynTextMap->SetFont( GetColorScheme()->fFontFace, GetColorScheme()->fFontSize, GetColorScheme()->fFontFlags,
HasFlag( kXparentBgnd ) ? false : true );
@ -706,6 +706,7 @@ hsBool pfGUIControlMod::ISetUpDynTextMap( plPipeline *pipe )
// out with 1:1 mapping from textel to pixel
plLayer *layer = (plLayer *)fDynTextLayer;
layer->SetTransform( fDynTextMap->GetLayerTransform() );
layer->SetBlendFlags( layer->GetBlendFlags() | hsGMatState::kBlendAlphaPremultiplied );
// Let the derived classes do their things
IPostSetUpDynTextMap();