1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 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_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 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