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[packages/libreoffice.git] / openoffice-icon-render.patch
1 Index: vcl/source/gdi/bitmapex.cxx
2 ===================================================================
3 --- vcl/source/gdi/bitmapex.cxx.orig    2003-04-11 19:28:27.000000000 +0200
4 +++ vcl/source/gdi/bitmapex.cxx 2003-10-22 22:42:23.000000000 +0200
5 @@ -113,6 +113,12 @@ BitmapEx::BitmapEx( const Bitmap& rBmp )
6                 eTransparent( TRANSPARENT_NONE ),
7                 bAlpha          ( FALSE )
8  {
9 +    if (aBitmap.GetBitCount () == 32)
10 +       {
11 +        eTransparent = TRANSPARENT_BITMAP;
12 +               bAlpha = TRUE;
13 +               aMask = aBitmap.GetAlphaMask();
14 +       }
15  }
16  
17  // ------------------------------------------------------------------
18 @@ -124,12 +130,8 @@ BitmapEx::BitmapEx( const Bitmap& rBmp, 
19                 eTransparent    ( !rMask ? TRANSPARENT_NONE : TRANSPARENT_BITMAP ),
20                 bAlpha                  ( FALSE )
21  {
22 -    // #105489# Ensure a mask is exactly one bit deep
23      if( !!aMask && aMask.GetBitCount() != 1 )
24 -    {
25 -        OSL_TRACE("BitmapEx: forced mask to monochrome");
26 -        aMask.ImplMakeMono( 255 );
27 -    }
28 +               bAlpha = TRUE;
29  }
30  
31  // ------------------------------------------------------------------
32 @@ -152,7 +154,13 @@ BitmapEx::BitmapEx( const Bitmap& rBmp, 
33                 eTransparent            ( TRANSPARENT_BITMAP ),
34                 bAlpha                          ( FALSE )
35  {
36 -       aMask = aBitmap.CreateMask( aTransparentColor );
37 +    if( rBmp.GetBitCount() > 24 )
38 +       {
39 +        aMask = rBmp.GetAlphaMask();
40 +               bAlpha = TRUE;
41 +       }
42 +       else
43 +           aMask = aBitmap.CreateMask( aTransparentColor );
44  }
45  
46  // ------------------------------------------------------------------
47 @@ -287,12 +295,7 @@ BitmapEx BitmapEx::GetColorTransformedBi
48  
49  Bitmap BitmapEx::GetMask() const
50  {
51 -       Bitmap aRet( aMask );
52 -
53 -       if( IsAlpha() )
54 -               aRet.ImplMakeMono( 255 );
55 -
56 -       return aRet;
57 +       return Bitmap( aMask );
58  }
59  
60  // ------------------------------------------------------------------
61 @@ -395,7 +398,7 @@ BOOL BitmapEx::Scale( const double& rSca
62                 bRet = aBitmap.Scale( rScaleX, rScaleY, nScaleFlag );
63  
64                 if( bRet && ( eTransparent == TRANSPARENT_BITMAP ) && !!aMask )
65 -                       aMask.Scale( rScaleX, rScaleY, BMP_SCALE_FAST );
66 +                       aMask.Scale( rScaleX, rScaleY, aMask.GetBitCount() == 1 ? BMP_SCALE_FAST : nScaleFlag);
67  
68                 aBitmapSize = aBitmap.GetSizePixel();
69         }
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