lotuswordpro/source/filter/lwpsdwgrouploaderv0102.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  The Contents of this file are made available subject to the terms of
   5  *  either of the following licenses
   6  *
   7  *         - GNU Lesser General Public License Version 2.1
   8  *         - Sun Industry Standards Source License Version 1.1
   9  *
  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
  16  *
  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
  19  *  License version 2.1, as published by the Free Software Foundation.
  20  *
  21  *  This library is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24  *  Lesser General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU Lesser General Public
  27  *  License along with this library; if not, write to the Free Software
  28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  29  *  MA  02111-1307  USA
  30  *
  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
  37  *  License at http://www.openoffice.org/license.html.
  38  *
  39  *  Software provided under this License is provided on an "AS IS" basis,
  40  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  41  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  42  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  43  *  See the License for the specific provisions governing your rights and
  44  *  obligations concerning the Software.
  45  *
  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
  49  *
  50  *  All Rights Reserved.
  51  *
  52  *  Contributor(s): _______________________________________
  53  *
  54  *
  55  ************************************************************************/
  56 /*****************************************************************************
  57  * Change History
  58  * Mar 2005         revised for new processing procedure.
  59  * Jan 2005         created
  60  ****************************************************************************/
  61 #include "lwpsdwgrouploaderv0102.hxx"
  62 #include "lwpdrawobj.hxx"
  63 #include "lwptools.hxx"
  64 #include "lwpcharsetmgr.hxx"
  65 #include "lwpgrfobj.hxx"
  66 #include "lwpframelayout.hxx"
  67
  68 #include "xfilter/xfcolor.hxx"
  69 #include "xfilter/xfdrawline.hxx"
  70 #include "xfilter/xfdrawpath.hxx"
  71 #include "xfilter/xfdrawpolyline.hxx"
  72 #include "xfilter/xfdrawrect.hxx"
  73 #include "xfilter/xfdrawpolygon.hxx"
  74 #include "xfilter/xfdrawgroup.hxx"
  75 #include "xfilter/xfdrawstyle.hxx"
  76 #include "xfilter/xfdrawlinestyle.hxx"
  77 #include "xfilter/xfparagraph.hxx"
  78 #include "xfilter/xfstylemanager.hxx"
  79
  80 LwpSdwGroupLoaderV0102::LwpSdwGroupLoaderV0102(SvStream* pStream, LwpGraphicObject* pGraphicObj)
  81     : m_pStream(pStream)
  82     , m_pGraphicObj(pGraphicObj)
  83     , m_pDrawObjVector(NULL)
  84 {
  85 }
  86
  87 LwpSdwGroupLoaderV0102::~LwpSdwGroupLoaderV0102()
  88 {
  89 }
  90
  91 /**
  92  * @descr   entry of lwp-drawing objects. the functin begins to parse the sdw-drawing bento stream and create
  93  *      the corresponding drawing objects.
  94  * @param   pDrawObjVector   a container which will contains the created drawing object of XF-Model.
  95  */
  96 void LwpSdwGroupLoaderV0102::BeginDrawObjects(std::vector< rtl::Reference<XFFrame> >* pDrawObjVector)
  97 {
  98     // save the container
  99     m_pDrawObjVector = pDrawObjVector;
 100
 101     //flag
 102     unsigned char BinSignature[2];
 103     m_pStream->Read(BinSignature,2);
 104     if (BinSignature[0] != 'S' || BinSignature[1] != 'M')
 105     {
 106         assert(false);
 107         return;
 108     }
 109     //version
 110     unsigned short nVersion;
 111     m_pStream->Read(&nVersion,2);
 112     if (nVersion<0x0102)
 113     {
 114         assert(false);
 115         return;
 116     }
 117     // topObj, botObj
 118     m_pStream->SeekRel(4);
 119     //record count
 120     unsigned short nRecCount;
 121     m_pStream->Read(&nRecCount,2);
 122     // selCount
 123     m_pStream->SeekRel(2);
 124     //boundrect
 125     unsigned short left,top,right,bottom;
 126     m_pStream->Read(&left,2);
 127     m_pStream->Read(&top,2);
 128     m_pStream->Read(&right,2);
 129     m_pStream->Read(&bottom,2);
 130     // fileSize
 131     m_pStream->SeekRel(2);
 132
 133     //for calculating transformation params.
 134     LwpFrameLayout* pMyFrameLayout = static_cast<LwpFrameLayout*>(m_pGraphicObj->GetLayout(NULL));
 135     if (pMyFrameLayout)
 136     {
 137         LwpLayoutScale* pMyScale = pMyFrameLayout->GetLayoutScale();
 138         LwpLayoutGeometry* pFrameGeo = pMyFrameLayout->GetGeometry();
 139         if (pMyScale && pFrameGeo)
 140         {
 141             // original drawing size
 142             long nWidth = 0, nHeight = 0;
 143             m_pGraphicObj->GetGrafOrgSize(nWidth, nHeight);
 144             double fGrafOrgWidth = (double)nWidth/TWIPS_PER_CM;
 145             double fGrafOrgHeight = (double)nHeight/TWIPS_PER_CM;
 146
 147             // get margin values
 148             double fLeftMargin = pMyFrameLayout->GetMarginsValue(MARGIN_LEFT);
 149 //          double fRightMargin = pMyFrameLayout->GetMarginsValue(MARGIN_RIGHT);
 150             double fTopMargin = pMyFrameLayout->GetMarginsValue(MARGIN_TOP);
 151 //          double fBottomMargin = pMyFrameLayout->GetMarginsValue(MARGIN_BOTTOM);
 152
 153             // frame size
 154             double fFrameWidth = LwpTools::ConvertFromUnitsToMetric(pFrameGeo->GetWidth());
 155             double fFrameHeight = LwpTools::ConvertFromUnitsToMetric(pFrameGeo->GetHeight());
 156
 157             // get frame offset
 158             LwpPoint& rOffset = pMyScale->GetOffset();
 159             double fOffsetX = LwpTools::ConvertFromUnitsToMetric(rOffset.GetX());
 160             double fOffsetY = LwpTools::ConvertFromUnitsToMetric(rOffset.GetY());
 161
 162             // get scale mode
 163             sal_uInt16 nScalemode = pMyScale->GetScaleMode();
 164
 165             if (nScalemode & LwpLayoutScale::CUSTOM)
 166             {
 167                 m_aTransformData.fScaleX =
 168                     LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleWidth()) / fGrafOrgWidth;
 169                 m_aTransformData.fScaleY =
 170                     LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleHeight()) / fGrafOrgHeight;
 171             }
 172             else if (nScalemode & LwpLayoutScale::PERCENTAGE)
 173             {
 174                 double fScalePercentage = (double)pMyScale->GetScalePercentage() / 1000;
 175                 m_aTransformData.fScaleX = fScalePercentage;
 176                 m_aTransformData.fScaleY = fScalePercentage;
 177             }
 178             else if (nScalemode & LwpLayoutScale::FIT_IN_FRAME)
 179             {
 180                 double fWidth0 = (double)right / TWIPS_PER_CM;
 181                 double fHeight0 = (double)bottom / TWIPS_PER_CM;
 182
 183                 double fWidth1 = LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleWidth());
 184                 double fHeight1 = LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleHeight());
 185
 186                 double fScaleX = fWidth1 / fWidth0;
 187                 double fScaleY = fHeight1 / fHeight0;
 188
 189                 if (nScalemode & LwpLayoutScale::MAINTAIN_ASPECT_RATIO)
 190                 {
 191                     m_aTransformData.fScaleX = std::min(fScaleX, fScaleY);
 192                     m_aTransformData.fScaleY = m_aTransformData.fScaleX;
 193                 }
 194                 else
 195                 {
 196                     m_aTransformData.fScaleX = fWidth1 / fWidth0;
 197                     m_aTransformData.fScaleY = fHeight1 / fHeight0;
 198                 }
 199             }
 200
 201             // placement: centered
 202             if (pMyFrameLayout->GetScaleCenter())
 203             {
 204                 Rectangle aBoundRect(static_cast<long>(left*m_aTransformData.fScaleX + fLeftMargin),
 205                     static_cast<long>(top    * m_aTransformData.fScaleY + fTopMargin),
 206                     static_cast<long>(right  * m_aTransformData.fScaleX),
 207                     static_cast<long>(bottom * m_aTransformData.fScaleY));
 208                 Point aCenter = aBoundRect.Center();
 209
 210                 double fNewCenterX = (double(left)/TWIPS_PER_CM + fFrameWidth/*-fOffsetX*/) / 2;
 211                 double fNewCenterY = (double(top)/TWIPS_PER_CM + fFrameHeight/*-fOffsetY*/) / 2;
 212
 213                 m_aTransformData.fOffsetX = fNewCenterX - (double)aCenter.X()/TWIPS_PER_CM;
 214                 m_aTransformData.fOffsetY = fNewCenterY -(double)aCenter.Y()/TWIPS_PER_CM;
 215             }
 216             else
 217             {
 218                 m_aTransformData.fOffsetX = fOffsetX;
 219                 m_aTransformData.fOffsetY = fOffsetY;
 220             }
 221
 222             m_aTransformData.fOffsetX += fLeftMargin;
 223             m_aTransformData.fOffsetY += fTopMargin;
 224             m_aTransformData.fLeftMargin = fLeftMargin;
 225             m_aTransformData.fTopMargin = fTopMargin;
 226         }
 227     }
 228
 229     //load draw object
 230     for (unsigned short i = 0; i < nRecCount; i++)
 231     {
 232         XFFrame* pXFDrawObj = this->CreateDrawObject();
 233
 234         if (pXFDrawObj)
 235         {
 236             pDrawObjVector->push_back(pXFDrawObj);
 237         }
 238     }
 239 }
 240
 241 /**
 242  * @descr   when we encounter a group object the function will be called to create a XF-drawgroup object
 243  *      the corresponding drawing objects.
 244  * @param   pDrawObjVector   a container which will contains the created drawing object of XF-Model.
 245  */
 246 XFDrawGroup* LwpSdwGroupLoaderV0102::CreateDrawGroupObject()
 247 {
 248     //flag
 249     unsigned char BinSignature[2];
 250     m_pStream->Read(BinSignature,2);
 251     if (BinSignature[0] != 'S' || BinSignature[1] != 'M')
 252     {
 253         assert(false);
 254         return NULL;
 255     }
 256     //version
 257     unsigned short nVersion;
 258     m_pStream->Read(&nVersion,2);
 259     if (nVersion<0x0102)
 260     {
 261         assert(false);
 262         return NULL;
 263     }
 264     // topObj, botObj
 265     m_pStream->SeekRel(4);
 266     //record count
 267     unsigned short nRecCount;
 268     m_pStream->Read(&nRecCount,2);
 269     // selCount
 270     m_pStream->SeekRel(2);
 271     //boundrect
 272     unsigned short left,top,right,bottom;
 273     m_pStream->Read(&left,2);
 274     m_pStream->Read(&top,2);
 275     m_pStream->Read(&right,2);
 276     m_pStream->Read(&bottom,2);
 277     // fileSize
 278     m_pStream->SeekRel(2);
 279
 280     XFDrawGroup* pXFDrawGroup = new XFDrawGroup();
 281
 282     //load draw object
 283     for (unsigned short i = 0; i < nRecCount; i++)
 284     {
 285         XFFrame* pXFDrawObj = this->CreateDrawObject();
 286
 287         if (pXFDrawObj)
 288         {
 289             if (pXFDrawObj->GetFrameType() == enumXFFrameImage)
 290             {
 291                 m_pDrawObjVector->push_back(pXFDrawObj);
 292             }
 293             else
 294             {
 295                 pXFDrawGroup->Add(pXFDrawObj);
 296             }
 297         }
 298     }
 299
 300     return pXFDrawGroup;
 301 }
 302
 303 /**
 304  * @descr   Create the XF-drawing objects according to the object type read from bento stream.
 305  * @return   the created XF-drawing objects.
 306  */
 307 XFFrame* LwpSdwGroupLoaderV0102::CreateDrawObject()
 308 {
 309     //record type
 310     unsigned char recType;
 311     m_pStream->Read(&recType,1);
 312
 313     LwpDrawObj* pDrawObj = NULL;
 314     XFFrame* pRetObjct = NULL;
 315
 316     switch(recType)
 317     {
 318     case OT_PERPLINE://fall-through
 319     case OT_LINE:
 320     {
 321         pDrawObj = new LwpDrawLine(m_pStream, &m_aTransformData);
 322         break;
 323     }
 324     case OT_POLYLINE:
 325     {
 326         pDrawObj = new LwpDrawPolyLine(m_pStream, &m_aTransformData);
 327         break;
 328     }
 329     case OT_POLYGON:
 330     {
 331         pDrawObj = new LwpDrawPolygon(m_pStream, &m_aTransformData);
 332         pDrawObj->SetObjectType(OT_POLYGON);
 333         break;
 334     }
 335     case OT_SQUARE://fall-through
 336     case OT_RECT:
 337     {
 338         pDrawObj = new LwpDrawRectangle(m_pStream, &m_aTransformData);
 339         break;
 340     }
 341     case OT_RNDSQUARE://fall-through
 342     case OT_RNDRECT:
 343     {
 344         pDrawObj = new LwpDrawRectangle(m_pStream, &m_aTransformData);
 345         pDrawObj->SetObjectType(OT_RNDRECT);
 346         break;
 347     }
 348     case OT_CIRCLE://fall-through
 349     case OT_OVAL:
 350     {
 351         pDrawObj = new LwpDrawEllipse(m_pStream, &m_aTransformData);
 352         break;
 353     }
 354     case OT_ARC:
 355     {
 356         pDrawObj = new LwpDrawArc(m_pStream, &m_aTransformData);
 357         break;
 358     }
 359     case OT_TEXT:
 360     {
 361         pDrawObj = new LwpDrawTextBox(m_pStream);
 362         break;
 363     }
 364     case OT_TEXTART:
 365     {
 366         pDrawObj = new LwpDrawTextArt(m_pStream, &m_aTransformData);
 367         pDrawObj->SetObjectType(OT_TEXTART);
 368         break;
 369     }
 370     case OT_GROUP:
 371     {
 372         m_pStream->SeekRel(2);
 373         // read out the object header
 374         pDrawObj = new LwpDrawGroup(m_pStream);
 375
 376         pRetObjct = this->CreateDrawGroupObject();
 377
 378         // set anchor type
 379         pRetObjct->SetAnchorType(enumXFAnchorFrame);
 380         break;
 381     }
 382     case OT_CHART://fall-through
 383     case OT_METAFILE://fall-through
 384     case OT_METAFILEIMG:
 385     {
 386         LwpDrawMetafile aMeta(m_pStream);
 387         break;
 388     }
 389     case OT_BITMAP:
 390         pDrawObj = new LwpDrawBitmap(m_pStream);
 391         pDrawObj->SetObjectType(OT_BITMAP);
 392         break;
 393     }
 394
 395     // we don't need create the corresponding XF-object of a group object.
 396     if (pDrawObj && recType != OT_GROUP)
 397     {
 398         pRetObjct = pDrawObj->CreateXFDrawObject();
 399     }
 400
 401     if (pDrawObj)
 402     {
 403         delete pDrawObj;
 404         pDrawObj = NULL;
 405     }
 406
 407     return pRetObjct;
 408 }
 409 // end add
 410
 411 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */