1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef _JPEG_HXX 29 #define _JPEG_HXX 30 31 #ifndef _GRAPH_HXX 32 #include <vcl/graph.hxx> 33 #endif 34 #include <svtools/fltcall.hxx> 35 #include <com/sun/star/uno/Sequence.h> 36 #include <com/sun/star/beans/PropertyValue.hpp> 37 #include <com/sun/star/task/XStatusIndicator.hpp> 38 39 #ifdef _JPEGPRIVATE 40 41 // -------- 42 // - Enum - 43 // -------- 44 45 enum ReadState 46 { 47 JPEGREAD_OK, 48 JPEGREAD_ERROR, 49 JPEGREAD_NEED_MORE 50 }; 51 52 // -------------- 53 // - JPEGReader - 54 // -------------- 55 56 class JPEGReader : public GraphicReader 57 { 58 SvStream& rIStm; 59 Bitmap aBmp; 60 Bitmap aBmp1; 61 BitmapWriteAccess* pAcc; 62 BitmapWriteAccess* pAcc1; 63 void* pBuffer; 64 long nLastPos; 65 long nFormerPos; 66 long nLastLines; 67 sal_Bool bSetLogSize; 68 69 Graphic CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines ); 70 void FillBitmap(); 71 72 public: 73 74 void* CreateBitmap( void* JPEGCreateBitmapParam ); 75 76 public: 77 78 79 80 JPEGReader( SvStream& rStm, void* pCallData, sal_Bool bSetLogSize ); 81 virtual ~JPEGReader(); 82 83 84 ReadState Read( Graphic& rGraphic ); 85 }; 86 87 // -------------- 88 // - JPEGWriter - 89 // -------------- 90 91 class JPEGWriter 92 { 93 SvStream& rOStm; 94 Bitmap aBmp; 95 BitmapReadAccess* pAcc; 96 sal_uInt8* pBuffer; 97 sal_Bool bNative; 98 99 sal_Bool bGreys; 100 sal_Int32 nQuality; 101 102 bool* pExpWasGrey; 103 104 com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator; 105 106 public: 107 108 void* GetScanline( long nY ); 109 110 JPEGWriter( SvStream& rOStm, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, 111 bool* pExportWasGrey = NULL ); 112 ~JPEGWriter() {}; 113 114 sal_Bool Write( const Graphic& rGraphic ); 115 }; 116 117 #endif // _JPEGPRIVATE 118 119 // --------------------- 120 // - Import/ExportJPEG - 121 // --------------------- 122 123 sal_Bool ImportJPEG( SvStream& rStream, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags ); 124 125 sal_Bool ExportJPEG( SvStream& rStream, 126 const Graphic& rGraphic, 127 const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, 128 bool* pExportWasGrey = NULL 129 ); 130 131 #endif // _JPEG_HXX 132