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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svtools.hxx"
26 
27 #include <rtl/uuid.h>
28 #include <vos/mutex.hxx>
29 #include <vcl/svapp.hxx>
30 #include <vcl/image.hxx>
31 #include <vcl/metaact.hxx>
32 #include <tools/rcid.h>
33 #include <tools/resid.hxx>
34 #include <tools/resmgr.hxx>
35 #include <unotools/ucbstreamhelper.hxx>
36 #include <svl/solar.hrc>
37 #include <vcl/salbtype.hxx>
38 #include <vcl/virdev.hxx>
39 #include <vcl/bmpacc.hxx>
40 #include <com/sun/star/text/GraphicCrop.hpp>
41 
42 #include "graphic.hxx"
43 #include "transformer.hxx"
44 
45 using namespace com::sun::star;
46 
47 namespace unographic {
48 
49 // ----------------------
50 // - GraphicTransformer -
51 // ----------------------
52 
53 GraphicTransformer::GraphicTransformer()
54 {
55 }
56 
57 // ------------------------------------------------------------------------------
58 
59 GraphicTransformer::~GraphicTransformer()
60 {
61 }
62 
63 // ------------------------------------------------------------------------------
64 
65 void setAlpha( Bitmap& rBitmap, AlphaMask& rAlpha, sal_Int32 nColorFrom, sal_Int8 nAlphaTo )
66 {
67 	BitmapWriteAccess* pWriteAccess = rAlpha.AcquireWriteAccess();
68 	BitmapReadAccess* pReadAccess = rBitmap.AcquireReadAccess();
69 	BitmapColor aColorFrom( static_cast< sal_uInt8 >( nColorFrom >> 16 ),
70 		static_cast< sal_uInt8 >( nColorFrom >> 8 ),
71 		static_cast< sal_uInt8 >( nColorFrom ) );
72 	if ( pReadAccess && pWriteAccess )
73 	{
74 		for ( sal_Int32 nY = 0; nY < pReadAccess->Height(); nY++ )
75 		{
76 			for ( sal_Int32 nX = 0; nX < pReadAccess->Width(); nX++ )
77 			{
78 				BitmapColor aColor( pReadAccess->GetPixel( nY, nX ) );
79 				if ( aColor == aColorFrom )
80 					pWriteAccess->SetPixel( nY, nX, nAlphaTo );
81 			}
82 		}
83 	}
84 	rBitmap.ReleaseAccess( pReadAccess );
85 	rAlpha.ReleaseAccess( pWriteAccess );
86 }
87 
88 // XGraphicTransformer
89 uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::colorChange(
90 	const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorFrom, sal_Int8 nTolerance, sal_Int32 nColorTo, sal_Int8 nAlphaTo )
91 		throw ( lang::IllegalArgumentException, uno::RuntimeException)
92 {
93 	const uno::Reference< uno::XInterface > xIFace( rxGraphic, uno::UNO_QUERY );
94 	::Graphic aGraphic( *::unographic::Graphic::getImplementation( xIFace ) );
95 
96 	BitmapColor aColorFrom( static_cast< sal_uInt8 >( nColorFrom ), static_cast< sal_uInt8 >( nColorFrom >> 8 ), static_cast< sal_uInt8 >( nColorFrom >> 16 ) );
97 	BitmapColor aColorTo( static_cast< sal_uInt8 >( nColorTo ), static_cast< sal_uInt8 >( nColorTo >> 8 ), static_cast< sal_uInt8 >( nColorTo  >> 16 ) );
98 
99 	if ( aGraphic.GetType() == GRAPHIC_BITMAP )
100 	{
101 		BitmapEx	aBitmapEx( aGraphic.GetBitmapEx() );
102 		Bitmap		aBitmap( aBitmapEx.GetBitmap() );
103 
104 		if ( aBitmapEx.IsAlpha() )
105 		{
106 			AlphaMask aAlphaMask( aBitmapEx.GetAlpha() );
107 			setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
108 			aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
109 			aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
110 		}
111 		else if ( aBitmapEx.IsTransparent() )
112 		{
113 			if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
114 			{
115 				Bitmap aMask( aBitmapEx.GetMask() );
116 				Bitmap aMask2( aBitmap.CreateMask( aColorFrom, nTolerance ) );
117 				aMask.CombineSimple( aMask2, BMP_COMBINE_OR );
118 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
119 				aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
120 			}
121 			else
122 			{
123 				AlphaMask aAlphaMask( aBitmapEx.GetMask() );
124 				setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
125 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
126 				aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
127 			}
128 		}
129 		else
130 		{
131 			if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
132 			{
133 				Bitmap aMask( aBitmap.CreateMask( aColorFrom, nTolerance ) );
134 					aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
135 				aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
136 			}
137 			else
138 			{
139 				AlphaMask aAlphaMask( aBitmapEx.GetSizePixel() );
140 				setAlpha( aBitmap, aAlphaMask, aColorFrom, nAlphaTo );
141 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
142 				aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
143 			}
144 		}
145 	}
146 	::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic();
147 	pUnoGraphic->init( aGraphic );
148 	uno::Reference< graphic::XGraphic > xRet( pUnoGraphic );
149 	return xRet;
150 }
151 
152 }
153