lotuswordpro/source/filter/lwpoleobject.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  10  *  Sun Microsystems Inc., October, 2000
  11  *
  12  *  GNU Lesser General Public License Version 2.1
  13  *  =============================================
  14  *  Copyright 2000 by Sun Microsystems, Inc.
  15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
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  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
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  31  *
  32  *  Sun Industry Standards Source License Version 1.1
  33  *  =================================================
  34  *  The contents of this file are subject to the Sun Industry Standards
  35  *  Source License Version 1.1 (the "License"); You may not use this file
  36  *  except in compliance with the License. You may obtain a copy of the
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  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
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  50  *  All Rights Reserved.
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  52  *  Contributor(s): _______________________________________
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  54  *
  55  ************************************************************************/
  56 /**
  57  * @file
  58  *  For LWP filter architecture prototype - OLE object
  59  */
  60
  61 #include <lwpfilehdr.hxx>
  62 #include "lwpoleobject.hxx"
  63 #include "lwpframelayout.hxx"
  64 #include <o3tl/numeric.hxx>
  65
  66 /**
  67  * @descr:   construction function
  68  * @param:  objHdr - object header, read before entering this function
  69  * @param: pStrm - file stream
  70  */
  71 LwpGraphicOleObject::LwpGraphicOleObject(LwpObjectHeader const& objHdr, LwpSvStream* pStrm)
  72     : LwpContent(objHdr, pStrm)
  73 {
  74 }
  75 /**
  76  * @descr:   Read GraphicOleObject part
  77  */
  78 void LwpGraphicOleObject::Read()
  79 {
  80     LwpContent::Read();
  81
  82     if (LwpFileHeader::m_nFileRevision >= 0x000b)
  83     {
  84         // I'm not sure about the read method
  85         m_pNextObj.ReadIndexed(m_pObjStrm.get());
  86         m_pPrevObj.ReadIndexed(m_pObjStrm.get());
  87     }
  88     m_pObjStrm->SkipExtra();
  89 }
  90
  91 void LwpGraphicOleObject::GetGrafOrgSize(double& rWidth, double& rHeight)
  92 {
  93     rWidth = 0;
  94     rHeight = 0;
  95 }
  96
  97 void LwpGraphicOleObject::GetGrafScaledSize(double& fWidth, double& fHeight)
  98 {
  99     GetGrafOrgSize(fWidth, fHeight);
 100     // scaled image size
 101     double fSclGrafWidth = fWidth; //LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleWidth());
 102     double fSclGrafHeight
 103         = fHeight; //LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleHeight());
 104
 105     rtl::Reference<LwpVirtualLayout> xLayout(GetLayout(nullptr));
 106     if (xLayout.is() && xLayout->IsFrame())
 107     {
 108         LwpFrameLayout* pMyFrameLayout = static_cast<LwpFrameLayout*>(xLayout.get());
 109         LwpLayoutScale* pMyScale = pMyFrameLayout->GetLayoutScale();
 110         LwpLayoutGeometry* pFrameGeo = pMyFrameLayout->GetGeometry();
 111
 112         // original image size
 113         //double fOrgGrafWidth = (double)m_Cache.Width/TWIPS_PER_CM;
 114         //double fOrgGrafHeight = (double)m_Cache.Height/TWIPS_PER_CM;
 115
 116         // get margin values
 117         double fLeftMargin = pMyFrameLayout->GetMarginsValue(MARGIN_LEFT);
 118         double fRightMargin = pMyFrameLayout->GetMarginsValue(MARGIN_RIGHT);
 119         double fTopMargin = pMyFrameLayout->GetMarginsValue(MARGIN_TOP);
 120         double fBottomMargin = pMyFrameLayout->GetMarginsValue(MARGIN_BOTTOM);
 121
 122         if (pMyScale && pFrameGeo)
 123         {
 124             // frame size
 125             double fFrameWidth = LwpTools::ConvertFromUnits(pFrameGeo->GetWidth());
 126             double fFrameHeight = LwpTools::ConvertFromUnits(pFrameGeo->GetHeight());
 127
 128             // calculate the displayed size of the frame
 129             double fDisFrameWidth = fFrameWidth - (fLeftMargin + fRightMargin);
 130             double fDisFrameHeight = fFrameHeight - (fTopMargin + fBottomMargin);
 131
 132             // get scale mode
 133             sal_uInt16 nScalemode = pMyScale->GetScaleMode();
 134             if (nScalemode & LwpLayoutScale::CUSTOM)
 135             {
 136                 fSclGrafWidth = LwpTools::ConvertFromUnits(pMyScale->GetScaleWidth());
 137                 fSclGrafHeight = LwpTools::ConvertFromUnits(pMyScale->GetScaleHeight());
 138             }
 139             else if (nScalemode & LwpLayoutScale::PERCENTAGE)
 140             {
 141                 double fScalePercentage
 142                     = static_cast<double>(pMyScale->GetScalePercentage()) / 1000;
 143                 fSclGrafWidth = fScalePercentage * fWidth;
 144                 fSclGrafHeight = fScalePercentage * fHeight;
 145             }
 146             else if (nScalemode & LwpLayoutScale::FIT_IN_FRAME)
 147             {
 148                 if (pMyFrameLayout->IsFitGraphic())
 149                 {
 150                     fSclGrafWidth = fWidth;
 151                     fSclGrafHeight = fHeight;
 152                 }
 153                 else if (nScalemode & LwpLayoutScale::MAINTAIN_ASPECT_RATIO)
 154                 {
 155                     if (fHeight == 0.0 || fDisFrameHeight == 0.0)
 156                         throw o3tl::divide_by_zero();
 157                     if (fWidth / fHeight >= fDisFrameWidth / fDisFrameHeight)
 158                     {
 159                         fSclGrafWidth = fDisFrameWidth;
 160                         if (fWidth == 0.0)
 161                             throw o3tl::divide_by_zero();
 162                         fSclGrafHeight = (fDisFrameWidth / fWidth) * fHeight;
 163                     }
 164                     else
 165                     {
 166                         fSclGrafHeight = fDisFrameHeight;
 167                         fSclGrafWidth = (fDisFrameHeight / fHeight) * fWidth;
 168                     }
 169                 }
 170                 else
 171                 {
 172                     fSclGrafWidth = fDisFrameWidth;
 173                     fSclGrafHeight = fDisFrameHeight;
 174                 }
 175             }
 176         }
 177     }
 178     fWidth = fSclGrafWidth;
 179     fHeight = fSclGrafHeight;
 180 }
 181
 182 /**
 183  * @descr:   construction function
 184  * @param:  objHdr - object header, read before entering this function
 185  * @param: pStrm - file stream
 186  */
 187 LwpOleObject::LwpOleObject(LwpObjectHeader const& objHdr, LwpSvStream* pStrm)
 188     : LwpGraphicOleObject(objHdr, pStrm)
 189     , cPersistentFlags(0)
 190     , m_SizeRect(0, 0, 5, 5)
 191 {
 192 }
 193 /**
 194  * @descr:   Read VO_OLEOBJECT record
 195  */
 196 void LwpOleObject::Read()
 197 {
 198     LwpGraphicOleObject::Read();
 199
 200     cPersistentFlags = m_pObjStrm->QuickReaduInt16();
 201
 202     // qCMarker read
 203
 204     if (LwpFileHeader::m_nFileRevision >= 0x0004)
 205     {
 206         LwpObjectID ID;
 207         m_pObjStrm->QuickReaduInt16();
 208
 209         m_pObjStrm->QuickReadStringPtr();
 210
 211         if (LwpFileHeader::m_nFileRevision < 0x000B)
 212         {
 213             // null pointers have a VO_INVALID type
 214             //if (VO_INVALID == m_pObjStrm->QuickReaduInt16())
 215             //  return;
 216
 217             ID.Read(m_pObjStrm.get());
 218             //return m_pObjStrm->Locate(ID);
 219         }
 220         else
 221         {
 222             ID.ReadIndexed(m_pObjStrm.get());
 223             //if (ID.IsNull())
 224             //  return;
 225
 226             //return m_pObjStrm->Locate(ID);
 227         }
 228     }
 229
 230     if (m_pObjStrm->CheckExtra())
 231     {
 232         m_pObjStrm->QuickReaduInt16();
 233         m_pObjStrm->SkipExtra();
 234     }
 235 }
 236
 237 /**
 238  * @descr:   Parse VO_OLEOBJECT and dump to XML stream only on WIN32 platform
 239  * @param:  pOutputStream - stream to dump OLE object
 240  * @param:  pFrameLayout -  framelayout object used to dump OLE object
 241  */
 242 void LwpOleObject::Parse(IXFStream* /*pOutputStream*/) {}
 243
 244 void LwpOleObject::XFConvert(XFContentContainer* /*pCont*/) {}
 245
 246 void LwpOleObject::GetGrafOrgSize(double& rWidth, double& rHeight)
 247 {
 248     rWidth = static_cast<double>(m_SizeRect.GetWidth()) / 1000; //cm unit
 249     rHeight = static_cast<double>(m_SizeRect.GetHeight()) / 1000; //cm unit
 250 }
 251
 252 void LwpOleObject::RegisterStyle() {}
 253
 254 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */