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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 
GraphicTransformer()53 GraphicTransformer::GraphicTransformer()
54 {
55 }
56 
57 // ------------------------------------------------------------------------------
58 
~GraphicTransformer()59 GraphicTransformer::~GraphicTransformer()
60 {
61 }
62 
63 // ------------------------------------------------------------------------------
64 
setAlpha(Bitmap & rBitmap,AlphaMask & rAlpha,sal_uInt8 cIndexFrom,sal_Int8 nAlphaTo)65 void setAlpha( Bitmap& rBitmap, AlphaMask& rAlpha, sal_uInt8 cIndexFrom, sal_Int8 nAlphaTo )
66 {
67 	BitmapWriteAccess* pWriteAccess = rAlpha.AcquireWriteAccess();
68 	BitmapReadAccess* pReadAccess = rBitmap.AcquireReadAccess();
69 	if ( pReadAccess && pWriteAccess )
70 	{
71 		for ( sal_Int32 nY = 0; nY < pReadAccess->Height(); nY++ )
72 		{
73 			for ( sal_Int32 nX = 0; nX < pReadAccess->Width(); nX++ )
74 			{
75 				const sal_uInt8 cIndex = pReadAccess->GetPixelIndex( nY, nX );
76 				if ( cIndex == cIndexFrom )
77 					pWriteAccess->SetPixelIndex( nY, nX, nAlphaTo );
78 			}
79 		}
80 	}
81 	rBitmap.ReleaseAccess( pReadAccess );
82 	rAlpha.ReleaseAccess( pWriteAccess );
83 }
84 
85 // XGraphicTransformer
colorChange(const uno::Reference<graphic::XGraphic> & rxGraphic,sal_Int32 nColorFrom,sal_Int8 nTolerance,sal_Int32 nColorTo,sal_Int8 nAlphaTo)86 uno::Reference< graphic::XGraphic > SAL_CALL GraphicTransformer::colorChange(
87 	const uno::Reference< graphic::XGraphic >& rxGraphic, sal_Int32 nColorFrom, sal_Int8 nTolerance, sal_Int32 nColorTo, sal_Int8 nAlphaTo )
88 		throw ( lang::IllegalArgumentException, uno::RuntimeException)
89 {
90 	const uno::Reference< uno::XInterface > xIFace( rxGraphic, uno::UNO_QUERY );
91 	::Graphic aGraphic( *::unographic::Graphic::getImplementation( xIFace ) );
92 
93 	BitmapColor aColorFrom( static_cast< sal_uInt8 >( nColorFrom ), static_cast< sal_uInt8 >( nColorFrom >> 8 ), static_cast< sal_uInt8 >( nColorFrom >> 16 ) );
94 	BitmapColor aColorTo( static_cast< sal_uInt8 >( nColorTo ), static_cast< sal_uInt8 >( nColorTo >> 8 ), static_cast< sal_uInt8 >( nColorTo  >> 16 ) );
95 	const sal_uInt8 cIndexFrom = aColorFrom.GetBlueOrIndex();
96 
97 	if ( aGraphic.GetType() == GRAPHIC_BITMAP )
98 	{
99 		BitmapEx	aBitmapEx( aGraphic.GetBitmapEx() );
100 		Bitmap		aBitmap( aBitmapEx.GetBitmap() );
101 
102 		if ( aBitmapEx.IsAlpha() )
103 		{
104 			AlphaMask aAlphaMask( aBitmapEx.GetAlpha() );
105 			setAlpha( aBitmap, aAlphaMask, cIndexFrom, nAlphaTo );
106 			aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
107 			aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
108 		}
109 		else if ( aBitmapEx.IsTransparent() )
110 		{
111 			if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
112 			{
113 				Bitmap aMask( aBitmapEx.GetMask() );
114 				Bitmap aMask2( aBitmap.CreateMask( aColorFrom, nTolerance ) );
115 				aMask.CombineSimple( aMask2, BMP_COMBINE_OR );
116 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
117 				aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
118 			}
119 			else
120 			{
121 				AlphaMask aAlphaMask( aBitmapEx.GetMask() );
122 				setAlpha( aBitmap, aAlphaMask, cIndexFrom, nAlphaTo );
123 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
124 				aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
125 			}
126 		}
127 		else
128 		{
129 			if ( ( nAlphaTo == 0 ) || ( nAlphaTo == sal::static_int_cast<sal_Int8>(0xff) ) )
130 			{
131 				Bitmap aMask( aBitmap.CreateMask( aColorFrom, nTolerance ) );
132 					aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
133 				aGraphic = ::Graphic( BitmapEx( aBitmap, aMask ) );
134 			}
135 			else
136 			{
137 				AlphaMask aAlphaMask( aBitmapEx.GetSizePixel() );
138 				setAlpha( aBitmap, aAlphaMask, cIndexFrom, nAlphaTo );
139 				aBitmap.Replace( aColorFrom, aColorTo, nTolerance );
140 				aGraphic = ::Graphic( BitmapEx( aBitmap, aAlphaMask ) );
141 			}
142 		}
143 	}
144 	::unographic::Graphic* pUnoGraphic = new ::unographic::Graphic();
145 	pUnoGraphic->init( aGraphic );
146 	uno::Reference< graphic::XGraphic > xRet( pUnoGraphic );
147 	return xRet;
148 }
149 
150 }
151