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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <vcl/svapp.hxx>
22 : #include <vcl/graph.hxx>
23 : #include <vcl/bmpacc.hxx>
24 : #include <vcl/msgbox.hxx>
25 : #include <svl/solar.hrc>
26 : #include <svtools/fltcall.hxx>
27 : #include <svtools/FilterConfigItem.hxx>
28 :
29 : //============================ PPMWriter ==================================
30 :
31 : class PPMWriter {
32 :
33 : private:
34 :
35 : SvStream& m_rOStm; // Die auszugebende PPM-Datei
36 : sal_uInt16 mpOStmOldModus;
37 :
38 : sal_Bool mbStatus;
39 : sal_Int32 mnMode;
40 : BitmapReadAccess* mpAcc;
41 : sal_uLong mnWidth, mnHeight; // Bildausmass in Pixeln
42 :
43 : sal_Bool ImplWriteHeader();
44 : void ImplWriteBody();
45 : void ImplWriteNumber( sal_Int32 );
46 :
47 : com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;
48 :
49 : public:
50 : PPMWriter(SvStream &rStrm);
51 : ~PPMWriter();
52 :
53 : sal_Bool WritePPM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem );
54 : };
55 :
56 : //=================== Methods of PPMWriter ==============================
57 :
58 0 : PPMWriter::PPMWriter(SvStream &rStrm)
59 : : m_rOStm(rStrm)
60 : , mbStatus ( sal_True )
61 0 : , mpAcc ( NULL )
62 : {
63 0 : }
64 :
65 : // ------------------------------------------------------------------------
66 :
67 0 : PPMWriter::~PPMWriter()
68 : {
69 0 : }
70 :
71 : // ------------------------------------------------------------------------
72 :
73 0 : sal_Bool PPMWriter::WritePPM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
74 : {
75 0 : if ( pFilterConfigItem )
76 : {
77 0 : mnMode = pFilterConfigItem->ReadInt32( String( RTL_CONSTASCII_USTRINGPARAM( "FileFormat" ) ), 0 );
78 :
79 0 : xStatusIndicator = pFilterConfigItem->GetStatusIndicator();
80 0 : if ( xStatusIndicator.is() )
81 : {
82 0 : rtl::OUString aMsg;
83 0 : xStatusIndicator->start( aMsg, 100 );
84 : }
85 : }
86 :
87 0 : BitmapEx aBmpEx( rGraphic.GetBitmapEx() );
88 0 : Bitmap aBmp = aBmpEx.GetBitmap();
89 0 : aBmp.Convert( BMP_CONVERSION_24BIT );
90 :
91 0 : mpOStmOldModus = m_rOStm.GetNumberFormatInt();
92 0 : m_rOStm.SetNumberFormatInt( NUMBERFORMAT_INT_BIGENDIAN );
93 :
94 0 : mpAcc = aBmp.AcquireReadAccess();
95 0 : if( mpAcc )
96 : {
97 0 : if ( ImplWriteHeader() )
98 : {
99 0 : ImplWriteBody();
100 : }
101 0 : aBmp.ReleaseAccess( mpAcc );
102 : }
103 : else
104 0 : mbStatus = sal_False;
105 :
106 0 : m_rOStm.SetNumberFormatInt( mpOStmOldModus );
107 :
108 0 : if ( xStatusIndicator.is() )
109 0 : xStatusIndicator->end();
110 :
111 0 : return mbStatus;
112 : }
113 :
114 : // ------------------------------------------------------------------------
115 :
116 0 : sal_Bool PPMWriter::ImplWriteHeader()
117 : {
118 0 : mnWidth = mpAcc->Width();
119 0 : mnHeight = mpAcc->Height();
120 0 : if ( mnWidth && mnHeight )
121 : {
122 0 : if ( mnMode == 0 )
123 0 : m_rOStm << "P6\x0a";
124 : else
125 0 : m_rOStm << "P3\x0a";
126 :
127 0 : ImplWriteNumber( mnWidth );
128 0 : m_rOStm << (sal_uInt8)32;
129 0 : ImplWriteNumber( mnHeight );
130 0 : m_rOStm << (sal_uInt8)32;
131 0 : ImplWriteNumber( 255 ); // max. col.
132 0 : m_rOStm << (sal_uInt8)10;
133 : }
134 : else
135 0 : mbStatus = sal_False;
136 :
137 0 : return mbStatus;
138 : }
139 :
140 : // ------------------------------------------------------------------------
141 :
142 0 : void PPMWriter::ImplWriteBody()
143 : {
144 0 : if ( mnMode == 0 )
145 : {
146 0 : for ( sal_uLong y = 0; y < mnHeight; y++ )
147 : {
148 0 : for ( sal_uLong x = 0; x < mnWidth; x++ )
149 : {
150 0 : const BitmapColor& rColor = mpAcc->GetPixel( y, x );
151 0 : m_rOStm << rColor.GetRed();
152 0 : m_rOStm << rColor.GetGreen();
153 0 : m_rOStm << rColor.GetBlue();
154 0 : }
155 : }
156 : }
157 : else
158 : {
159 0 : for ( sal_uLong y = 0; y < mnHeight; y++ )
160 : {
161 0 : int nCount = 70;
162 0 : for ( sal_uLong x = 0; x < mnWidth; x++ )
163 : {
164 : sal_uInt8 i, nDat[3], nNumb;
165 0 : if ( nCount < 0 )
166 : {
167 0 : nCount = 69;
168 0 : m_rOStm << (sal_uInt8)10;
169 : }
170 0 : nDat[0] = mpAcc->GetPixel( y, x ).GetRed();
171 0 : nDat[1] = mpAcc->GetPixel( y, x ).GetGreen();
172 0 : nDat[2] = mpAcc->GetPixel( y, x ).GetBlue();
173 0 : for ( i = 0; i < 3; i++ )
174 : {
175 0 : nNumb = nDat[ i ] / 100;
176 0 : if ( nNumb )
177 : {
178 0 : m_rOStm << (sal_uInt8)( nNumb + '0' );
179 0 : nDat[ i ] -= ( nNumb * 100 );
180 0 : nNumb = nDat[ i ] / 10;
181 0 : m_rOStm << (sal_uInt8)( nNumb + '0' );
182 0 : nDat[ i ] -= ( nNumb * 10 );
183 0 : m_rOStm << (sal_uInt8)( nDat[ i ] + '0' );
184 0 : nCount -= 4;
185 : }
186 : else
187 : {
188 0 : nNumb = nDat[ i ] / 10;
189 0 : if ( nNumb )
190 : {
191 0 : m_rOStm << (sal_uInt8)( nNumb + '0' );
192 0 : nDat[ i ] -= ( nNumb * 10 );
193 0 : m_rOStm << (sal_uInt8)( nDat[ i ] + '0' );
194 0 : nCount -= 3;
195 : }
196 : else
197 : {
198 0 : m_rOStm << (sal_uInt8)( nDat[ i ] + '0' );
199 0 : nCount -= 2;
200 : }
201 : }
202 0 : m_rOStm << (sal_uInt8)' ';
203 : }
204 : }
205 0 : m_rOStm << (sal_uInt8)10;
206 : }
207 : }
208 0 : }
209 :
210 : // ------------------------------------------------------------------------
211 : // a decimal number in ASCII format is being written into the stream
212 :
213 0 : void PPMWriter::ImplWriteNumber(sal_Int32 nNumber)
214 : {
215 0 : const rtl::OString aNum(rtl::OString::valueOf(nNumber));
216 0 : m_rOStm << aNum.getStr();
217 0 : }
218 :
219 : // ------------------------------------------------------------------------
220 :
221 : // ---------------------
222 : // - exported function -
223 : // ---------------------
224 :
225 : #ifdef DISABLE_DYNLOADING
226 : #define GraphicExport eppGraphicExport
227 : #endif
228 :
229 : extern "C" SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL
230 0 : GraphicExport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pFilterConfigItem, sal_Bool)
231 : {
232 0 : PPMWriter aPPMWriter(rStream);
233 0 : return aPPMWriter.WritePPM( rGraphic, pFilterConfigItem );
234 : }
235 :
236 : // ------------------------------------------------------------------------
237 :
238 :
239 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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