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 #ifndef _JPEG_HXX 25 #define _JPEG_HXX 26 27 #ifndef _GRAPH_HXX 28 #include <vcl/graph.hxx> 29 #endif 30 #include <svtools/fltcall.hxx> 31 #include <com/sun/star/uno/Sequence.h> 32 #include <com/sun/star/beans/PropertyValue.hpp> 33 #include <com/sun/star/task/XStatusIndicator.hpp> 34 35 #ifdef _JPEGPRIVATE 36 37 // -------- 38 // - Enum - 39 // -------- 40 41 enum ReadState 42 { 43 JPEGREAD_OK, 44 JPEGREAD_ERROR, 45 JPEGREAD_NEED_MORE 46 }; 47 48 // -------------- 49 // - JPEGReader - 50 // -------------- 51 52 class JPEGReader : public GraphicReader 53 { 54 SvStream& rIStm; 55 Bitmap aBmp; 56 Bitmap aBmp1; 57 BitmapWriteAccess* pAcc; 58 BitmapWriteAccess* pAcc1; 59 void* pBuffer; 60 long nLastPos; 61 long nFormerPos; 62 long nLastLines; 63 sal_Bool bSetLogSize; 64 65 Graphic CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines ); 66 void FillBitmap(); 67 68 public: 69 70 void* CreateBitmap( void* JPEGCreateBitmapParam ); 71 72 public: 73 74 75 76 JPEGReader( SvStream& rStm, void* pCallData, sal_Bool bSetLogSize ); 77 virtual ~JPEGReader(); 78 79 80 ReadState Read( Graphic& rGraphic ); 81 }; 82 83 // -------------- 84 // - JPEGWriter - 85 // -------------- 86 87 class JPEGWriter 88 { 89 SvStream& rOStm; 90 Bitmap aBmp; 91 BitmapReadAccess* pAcc; 92 sal_uInt8* pBuffer; 93 sal_Bool bNative; 94 95 sal_Bool bGreys; 96 sal_Int32 nQuality; 97 98 bool* pExpWasGrey; 99 100 com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator; 101 102 public: 103 104 void* GetScanline( long nY ); 105 106 JPEGWriter( SvStream& rOStm, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, 107 bool* pExportWasGrey = NULL ); ~JPEGWriter()108 ~JPEGWriter() {}; 109 110 sal_Bool Write( const Graphic& rGraphic ); 111 }; 112 113 #endif // _JPEGPRIVATE 114 115 // --------------------- 116 // - Import/ExportJPEG - 117 // --------------------- 118 119 sal_Bool ImportJPEG( SvStream& rStream, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags ); 120 121 sal_Bool ExportJPEG( SvStream& rStream, 122 const Graphic& rGraphic, 123 const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, 124 bool* pExportWasGrey = NULL 125 ); 126 127 #endif // _JPEG_HXX 128