Port of Lotus Word Pro filter, by Fong Lin and Noel Power

1 files changed, 182 insertions, 0 deletions

diff --git a/lotuswordpro/source/filter/lwpbackgroundstuff.cxx b/lotuswordpro/source/filter/lwpbackgroundstuff.cxx
new file mode 100644
index 000000000000..5361a8880396
--- /dev/null
+++ b/lotuswordpro/source/filter/lwpbackgroundstuff.cxx
@@ -0,0 +1,182 @@
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: IBM Corporation
+ *
+ *  Copyright: 2008 by IBM Corporation
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+/**
+ * @file
+ * For LWP filter architecture prototype
+ *  Implemention of class LwpBackgroundStuff.
+ */
+
+#include "lwpbackgroundstuff.hxx"
+#include "lwppttntbl.hxx"
+#include "xfilter/xfbgimage.hxx"
+
+#include "tools/stream.hxx"
+#include "vcl/bmpacc.hxx"
+#include "svx/xbitmap.hxx"
+
+
+void LwpBackgroundStuff::Read(LwpObjectStream* pStrm)
+{
+    pStrm->QuickRead(&m_nID, sizeof(m_nID));
+    m_aFillColor.Read(pStrm);
+    m_aPatternColor.Read(pStrm);
+    pStrm->SkipExtra();
+}
+
+void LwpBackgroundStuff::GetPattern(sal_uInt16 btPttnIndex, sal_uInt8* pPttnArray)
+{
+    if (btPttnIndex > 71)
+    {
+        assert(false);
+        return;
+    }
+    if (pPttnArray)
+    {
+        assert((2 < btPttnIndex) && (btPttnIndex < 72));
+        sal_uInt8* pTempArray = s_pLwpPatternTab[btPttnIndex];
+        for(sal_uInt8 i = 0; i < 32; i++)
+        {
+            pPttnArray[i] = (i%4 == 0) ? pTempArray[7-i/4] : 0;
+        }
+    }
+}
+
+LwpColor* LwpBackgroundStuff::GetFillColor()
+{
+    if (m_nID == BACK_PATTERN)
+    {
+        return &m_aPatternColor;
+    }
+
+    return &m_aFillColor;
+}
+
+XFBGImage* LwpBackgroundStuff::GetFillPattern()
+{
+    // not pattern fill?
+    if (!this->IsPatternFill())
+    {
+        return NULL;
+    }
+
+    // get pattern array from pattern table
+    sal_uInt8* pPttnArray = new sal_uInt8 [32];
+    this->GetPattern(m_nID, pPttnArray);
+
+    // create bitmap object from the pattern array
+    Bitmap aBmp( Size(8, 8), 1 );
+    BitmapWriteAccess* pWA = aBmp.AcquireWriteAccess();
+    sal_uInt8* pBuf = pWA->GetBuffer();
+    memcpy(pBuf, pPttnArray, 32);
+    aBmp.ReleaseAccess(pWA);
+
+    if (pPttnArray)
+    {
+        delete [] pPttnArray;
+        pPttnArray = NULL;
+    }
+
+    // create XOBitmap object from bitmap object
+    XOBitmap aXOBitmap;
+    aXOBitmap.SetBitmap( aBmp );
+    aXOBitmap.Bitmap2Array();
+    aXOBitmap.SetBitmapType( XBITMAP_8X8 );
+
+    // set back/fore-ground colors
+    if (m_aFillColor.IsValidColor() && m_aPatternColor.IsValidColor())
+    {
+        Color aBackColor(static_cast<sal_uInt8>(m_aFillColor.GetRed()),
+            static_cast<sal_uInt8>(m_aFillColor.GetGreen()),
+            static_cast<sal_uInt8>(m_aFillColor.GetBlue()));
+        Color aForeColor(static_cast<sal_uInt8>(m_aPatternColor.GetRed()),
+            static_cast<sal_uInt8>(m_aPatternColor.GetGreen()),
+            static_cast<sal_uInt8>(m_aPatternColor.GetBlue()));
+
+        if( aXOBitmap.GetBackgroundColor() == COL_BLACK )
+        {
+            aXOBitmap.SetPixelColor( aBackColor );
+            aXOBitmap.SetBackgroundColor( aForeColor );
+        }
+        else
+        {
+            aXOBitmap.SetPixelColor( aForeColor );
+            aXOBitmap.SetBackgroundColor( aBackColor );
+        }
+    }
+
+    // transfer image data from XOBitmap->SvStream->BYTE-Array
+    SvMemoryStream aPicMemStream;
+    aXOBitmap.Array2Bitmap();
+    aXOBitmap.GetBitmap().Write(aPicMemStream);
+    sal_uInt32 nSize = aPicMemStream.GetEndOfData();
+    sal_uInt8* pImageBuff = new sal_uInt8 [nSize];
+    memcpy(pImageBuff, aPicMemStream.GetData(), nSize);
+
+    // create XFBGImage object.
+    XFBGImage* pXFBGImage = new XFBGImage();
+    pXFBGImage->SetImageData(pImageBuff, nSize);
+
+    if (pImageBuff)
+    {
+        delete [] pImageBuff;
+        pImageBuff = NULL;
+    }
+
+
+    pXFBGImage->SetRepeate();
+    // end of add
+
+    return pXFBGImage;
+}