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@@ -597,9 +597,12 @@ int CSDL_Ext::blit8bppAlphaTo24bpp(SDL_Surface * src, SDL_Rect * srcRect, SDL_Su
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case 255:
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break;
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default:
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- p[0] = ((((Uint32)tbc.r-(Uint32)p[0])*(Uint32)tbc.unused) + p[0]) & 0xFF;
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- p[1] = ((((Uint32)tbc.g-(Uint32)p[1])*(Uint32)tbc.unused) + p[1]) & 0xFF;
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- p[2] = ((((Uint32)tbc.b-(Uint32)p[2])*(Uint32)tbc.unused) + p[2]) & 0xFF;
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+ p[0] = ((((Uint32)tbc.r-(Uint32)p[0])*(Uint32)tbc.unused) >> 8 + p[0]) & 0xFF;
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+ p[1] = ((((Uint32)tbc.g-(Uint32)p[1])*(Uint32)tbc.unused) >> 8 + p[1]) & 0xFF;
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+ p[2] = ((((Uint32)tbc.b-(Uint32)p[2])*(Uint32)tbc.unused) >> 8 + p[2]) & 0xFF;
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+ //p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
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+ //p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
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+ //p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
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break;
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}
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}
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@@ -627,9 +630,12 @@ int CSDL_Ext::blit8bppAlphaTo24bpp(SDL_Surface * src, SDL_Rect * srcRect, SDL_Su
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case 255:
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break;
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default:
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- p[2] = ((((Uint32)tbc.r-(Uint32)p[2])*(Uint32)tbc.unused) + p[2]) & 0xFF;
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- p[1] = ((((Uint32)tbc.g-(Uint32)p[1])*(Uint32)tbc.unused) + p[1]) & 0xFF;
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- p[0] = ((((Uint32)tbc.b-(Uint32)p[0])*(Uint32)tbc.unused) + p[0]) & 0xFF;
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+ //p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
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+ //p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
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+ //p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
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+ p[2] = ((((Uint32)tbc.r-(Uint32)p[2])*(Uint32)tbc.unused) >> 8 + p[2]) & 0xFF;
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+ p[1] = ((((Uint32)tbc.g-(Uint32)p[1])*(Uint32)tbc.unused) >> 8 + p[1]) & 0xFF;
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+ p[0] = ((((Uint32)tbc.b-(Uint32)p[0])*(Uint32)tbc.unused) >> 8 + p[0]) & 0xFF;
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break;
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}
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}
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phoebus118