lotuswordpro/source/filter/lwpbackgroundstuff.cxx

   1 /*************************************************************************
   2  *
   3  *  The Contents of this file are made available subject to the terms of
   4  *  either of the following licenses
   5  *
   6  *         - GNU Lesser General Public License Version 2.1
   7  *         - Sun Industry Standards Source License Version 1.1
   8  *
   9  *  Sun Microsystems Inc., October, 2000
  10  *
  11  *  GNU Lesser General Public License Version 2.1
  12  *  =============================================
  13  *  Copyright 2000 by Sun Microsystems, Inc.
  14  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  15  *
  16  *  This library is free software; you can redistribute it and/or
  17  *  modify it under the terms of the GNU Lesser General Public
  18  *  License version 2.1, as published by the Free Software Foundation.
  19  *
  20  *  This library is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23  *  Lesser General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU Lesser General Public
  26  *  License along with this library; if not, write to the Free Software
  27  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  *  MA  02111-1307  USA
  29  *
  30  *
  31  *  Sun Industry Standards Source License Version 1.1
  32  *  =================================================
  33  *  The contents of this file are subject to the Sun Industry Standards
  34  *  Source License Version 1.1 (the "License"); You may not use this file
  35  *  except in compliance with the License. You may obtain a copy of the
  36  *  License at http://www.openoffice.org/license.html.
  37  *
  38  *  Software provided under this License is provided on an "AS IS" basis,
  39  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  40  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  41  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  42  *  See the License for the specific provisions governing your rights and
  43  *  obligations concerning the Software.
  44  *
  45  *  The Initial Developer of the Original Code is: IBM Corporation
  46  *
  47  *  Copyright: 2008 by IBM Corporation
  48  *
  49  *  All Rights Reserved.
  50  *
  51  *  Contributor(s): _______________________________________
  52  *
  53  *
  54  ************************************************************************/
  55 /**
  56  * @file
  57  * For LWP filter architecture prototype
  58  *  Implemention of class LwpBackgroundStuff.
  59  */
  60
  61 #include "lwpbackgroundstuff.hxx"
  62 #include "lwppttntbl.hxx"
  63 #include "xfilter/xfbgimage.hxx"
  64
  65 #include "tools/stream.hxx"
  66 #include "vcl/bmpacc.hxx"
  67 #include "svx/xbitmap.hxx"
  68
  69
  70 void LwpBackgroundStuff::Read(LwpObjectStream* pStrm)
  71 {
  72         pStrm->QuickRead(&m_nID, sizeof(m_nID));
  73         m_aFillColor.Read(pStrm);
  74         m_aPatternColor.Read(pStrm);
  75         pStrm->SkipExtra();
  76 }
  77
  78 void LwpBackgroundStuff::GetPattern(sal_uInt16 btPttnIndex, sal_uInt8* pPttnArray)
  79 {
  80         if (btPttnIndex > 71)
  81         {
  82                 assert(false);
  83                 return;
  84         }
  85         if (pPttnArray)
  86         {
  87                 assert((2 < btPttnIndex) && (btPttnIndex < 72));
  88                 sal_uInt8* pTempArray = s_pLwpPatternTab[btPttnIndex];
  89                 for(sal_uInt8 i = 0; i < 32; i++)
  90                 {
  91                         pPttnArray[i] = (i%4 == 0) ? pTempArray[7-i/4] : 0;
  92                 }
  93         }
  94 }
  95
  96 LwpColor* LwpBackgroundStuff::GetFillColor()
  97 {
  98         if (m_nID == BACK_PATTERN)
  99         {
 100                 return &m_aPatternColor;
 101         }
 102
 103         return &m_aFillColor;
 104 }
 105
 106 XFBGImage* LwpBackgroundStuff::GetFillPattern()
 107 {
 108         // not pattern fill?
 109         if (!this->IsPatternFill())
 110         {
 111                 return NULL;
 112         }
 113
 114         // get pattern array from pattern table
 115         sal_uInt8* pPttnArray = new sal_uInt8 [32];
 116         this->GetPattern(m_nID, pPttnArray);
 117
 118         // create bitmap object from the pattern array
 119         Bitmap aBmp( Size(8, 8), 1 );
 120         BitmapWriteAccess* pWA = aBmp.AcquireWriteAccess();
 121         sal_uInt8* pBuf = pWA->GetBuffer();
 122         memcpy(pBuf, pPttnArray, 32);
 123         aBmp.ReleaseAccess(pWA);
 124
 125         if (pPttnArray)
 126         {
 127                 delete [] pPttnArray;
 128                 pPttnArray = NULL;
 129         }
 130
 131         // create XOBitmap object from bitmap object
 132         XOBitmap aXOBitmap;
 133         aXOBitmap.SetBitmap( aBmp );
 134         aXOBitmap.Bitmap2Array();
 135         aXOBitmap.SetBitmapType( XBITMAP_8X8 );
 136
 137         // set back/fore-ground colors
 138         if (m_aFillColor.IsValidColor() && m_aPatternColor.IsValidColor())
 139         {
 140                 Color aBackColor(static_cast<sal_uInt8>(m_aFillColor.GetRed()),
 141                         static_cast<sal_uInt8>(m_aFillColor.GetGreen()),
 142                         static_cast<sal_uInt8>(m_aFillColor.GetBlue()));
 143                 Color aForeColor(static_cast<sal_uInt8>(m_aPatternColor.GetRed()),
 144                         static_cast<sal_uInt8>(m_aPatternColor.GetGreen()),
 145                         static_cast<sal_uInt8>(m_aPatternColor.GetBlue()));
 146
 147                 if( aXOBitmap.GetBackgroundColor() == COL_BLACK )
 148                 {
 149                         aXOBitmap.SetPixelColor( aBackColor );
 150                         aXOBitmap.SetBackgroundColor( aForeColor );
 151                 }
 152                 else
 153                 {
 154                         aXOBitmap.SetPixelColor( aForeColor );
 155                         aXOBitmap.SetBackgroundColor( aBackColor );
 156                 }
 157         }
 158
 159         // transfer image data from XOBitmap->SvStream->BYTE-Array
 160         SvMemoryStream aPicMemStream;
 161         aXOBitmap.Array2Bitmap();
 162         aXOBitmap.GetBitmap().Write(aPicMemStream);
 163         sal_uInt32 nSize = aPicMemStream.GetSize();
 164         sal_uInt8* pImageBuff = new sal_uInt8 [nSize];
 165         memcpy(pImageBuff, aPicMemStream.GetData(), nSize);
 166
 167         // create XFBGImage object.
 168         XFBGImage* pXFBGImage = new XFBGImage();
 169         pXFBGImage->SetImageData(pImageBuff, nSize);
 170
 171         if (pImageBuff)
 172         {
 173                 delete [] pImageBuff;
 174                 pImageBuff = NULL;
 175         }
 176
 177
 178         pXFBGImage->SetRepeate();
 179         // end of add
 180
 181         return pXFBGImage;
 182 }
 183