src/html/m_image.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        m_image.cpp
   3 // Purpose:     wxHtml module for displaying images
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik, Joel Lucsy
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation
  12 #endif
  13
  14 #include "wx/wxprec.h"
  15
  16 #include "wx/defs.h"
  17 #if wxUSE_HTML && wxUSE_STREAMS
  18
  19 #ifdef __BORDLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WXPRECOMP
  24     #include "wx/dc.h"
  25     #include "wx/scrolwin.h"
  26     #include "wx/timer.h"
  27     #include "wx/dcmemory.h"
  28 #endif
  29
  30 #include "wx/html/forcelnk.h"
  31 #include "wx/html/m_templ.h"
  32 #include "wx/html/htmlwin.h"
  33
  34 #include "wx/image.h"
  35 #include "wx/gifdecod.h"
  36 #include "wx/dynarray.h"
  37
  38 #include <math.h>
  39 #include <float.h>
  40
  41 FORCE_LINK_ME(m_image)
  42
  43
  44
  45
  46 WX_DECLARE_OBJARRAY(int, CoordArray);
  47 #include "wx/arrimpl.cpp" // this is a magic incantation which must be done!
  48 WX_DEFINE_OBJARRAY(CoordArray);
  49
  50
  51 //--------------------------------------------------------------------------------
  52 // wxHtmlImageMapAreaCell
  53 //                  0-width, 0-height cell that represents single area in imagemap
  54 //                  (it's GetLink is called from wxHtmlImageCell's)
  55 //--------------------------------------------------------------------------------
  56
  57 class wxHtmlImageMapAreaCell : public wxHtmlCell
  58 {
  59     public:
  60         enum celltype { CIRCLE, RECT, POLY };
  61     protected:
  62         CoordArray coords;
  63         celltype type;
  64         int radius;
  65     public:
  66         wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0);
  67         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
  68 };
  69
  70
  71
  72
  73
  74 wxHtmlImageMapAreaCell::wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::celltype t, wxString &incoords, double pixel_scale )
  75 {
  76     int i;
  77     wxString x = incoords, y;
  78
  79     type = t;
  80     while ((i = x.Find( ',' )) != -1)
  81     {
  82         coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) );
  83         x = x.Mid( i + 1 );
  84     }
  85     coords.Add( (int)(pixel_scale * (double)wxAtoi( x.c_str())) );
  86 }
  87
  88 wxHtmlLinkInfo *wxHtmlImageMapAreaCell::GetLink( int x, int y ) const
  89 {
  90     switch (type)
  91     {
  92         case RECT:
  93             {
  94                 int l, t, r, b;
  95
  96                 l = coords[ 0 ];
  97                 t = coords[ 1 ];
  98                 r = coords[ 2 ];
  99                 b = coords[ 3 ];
 100                 if (x >= l && x <= r && y >= t && y <= b)
 101                 {
 102                     return m_Link;
 103                 }
 104                 break;
 105             }
 106         case CIRCLE:
 107             {
 108                 int l, t, r;
 109                 double  d;
 110
 111                 l = coords[ 0 ];
 112                 t = coords[ 1 ];
 113                 r = coords[ 2 ];
 114                 d = sqrt( (double) (((x - l) * (x - l)) + ((y - t) * (y - t))) );
 115                 if (d < (double)r)
 116                 {
 117                     return m_Link;
 118                 }
 119             }
 120             break;
 121         case POLY:
 122             {
 123                 if (coords.GetCount() >= 6)
 124                 {
 125                     int intersects = 0;
 126                     int wherex = x;
 127                     int wherey = y;
 128                     int totalv = coords.GetCount() / 2;
 129                     int totalc = totalv * 2;
 130                     int xval = coords[totalc - 2];
 131                     int yval = coords[totalc - 1];
 132                     int end = totalc;
 133                     int pointer = 1;
 134
 135                     if ((yval >= wherey) != (coords[pointer] >= wherey))
 136                     {
 137                         if ((xval >= wherex) == (coords[0] >= wherex))
 138                         {
 139                             intersects += (xval >= wherex) ? 1 : 0;
 140                         }
 141                         else
 142                         {
 143                             intersects += ((xval - (yval - wherey) *
 144                                             (coords[0] - xval) /
 145                                             (coords[pointer] - yval)) >= wherex) ? 1 : 0;
 146                         }
 147                     }
 148
 149                     while (pointer < end)
 150                     {
 151                         yval = coords[pointer];
 152                         pointer += 2;
 153                         if (yval >= wherey)
 154                         {
 155                             while ((pointer < end) && (coords[pointer] >= wherey))
 156                             {
 157                                 pointer += 2;
 158                             }
 159                             if (pointer >= end)
 160                             {
 161                                 break;
 162                             }
 163                             if ((coords[pointer - 3] >= wherex) ==
 164                                     (coords[pointer - 1] >= wherex)) {
 165                                 intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
 166                             }
 167                             else
 168                             {
 169                                 intersects +=
 170                                     ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
 171                                       (coords[pointer - 1] - coords[pointer - 3]) /
 172                                       (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
 173                             }
 174                         }
 175                         else
 176                         {
 177                             while ((pointer < end) && (coords[pointer] < wherey))
 178                             {
 179                                 pointer += 2;
 180                             }
 181                             if (pointer >= end)
 182                             {
 183                                 break;
 184                             }
 185                             if ((coords[pointer - 3] >= wherex) ==
 186                                     (coords[pointer - 1] >= wherex))
 187                             {
 188                                 intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
 189                             }
 190                             else
 191                             {
 192                                 intersects +=
 193                                     ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
 194                                       (coords[pointer - 1] - coords[pointer - 3]) /
 195                                       (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
 196                             }
 197                         }
 198                     }
 199                     if ((intersects & 1) != 0)
 200                     {
 201                         return m_Link;
 202                     }
 203                 }
 204             }
 205             break;
 206     }
 207
 208     if (m_Next)
 209     {
 210         wxHtmlImageMapAreaCell  *a = (wxHtmlImageMapAreaCell*)m_Next;
 211         return a->GetLink( x, y );
 212     }
 213     return NULL;
 214 }
 215
 216
 217
 218
 219
 220
 221
 222
 223 //--------------------------------------------------------------------------------
 224 // wxHtmlImageMapCell
 225 //                  0-width, 0-height cell that represents map from imagemaps
 226 //                  it is always placed before wxHtmlImageMapAreaCells
 227 //                  It responds to Find(wxHTML_COND_ISIMAGEMAP)
 228 //--------------------------------------------------------------------------------
 229
 230
 231 class wxHtmlImageMapCell : public wxHtmlCell
 232 {
 233     public:
 234         wxHtmlImageMapCell( wxString &name );
 235     protected:
 236         wxString m_Name;
 237     public:
 238         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
 239         virtual const wxHtmlCell *Find( int cond, const void *param ) const;
 240 };
 241
 242
 243 wxHtmlImageMapCell::wxHtmlImageMapCell( wxString &name )
 244 {
 245     m_Name = name ;
 246 }
 247
 248 wxHtmlLinkInfo *wxHtmlImageMapCell::GetLink( int x, int y ) const
 249 {
 250     wxHtmlImageMapAreaCell  *a = (wxHtmlImageMapAreaCell*)m_Next;
 251     if (a)
 252         return a->GetLink( x, y );
 253     return wxHtmlCell::GetLink( x, y );
 254 }
 255
 256 const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const
 257 {
 258     if (cond == wxHTML_COND_ISIMAGEMAP)
 259     {
 260         if (m_Name == *((wxString*)(param)))
 261             return this;
 262     }
 263     return wxHtmlCell::Find(cond, param);
 264 }
 265
 266
 267
 268
 269
 270 //--------------------------------------------------------------------------------
 271 // wxHtmlImageCell
 272 //                  Image/bitmap
 273 //--------------------------------------------------------------------------------
 274
 275 class wxHtmlImageCell : public wxHtmlCell
 276 {
 277 public:
 278     wxHtmlImageCell(wxWindow *window,
 279                     wxFSFile *input, int w = -1, int h = -1,
 280                     double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM,
 281                     const wxString& mapname = wxEmptyString);
 282     ~wxHtmlImageCell();
 283     void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2);
 284     virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const;
 285
 286     void SetImage(const wxImage& img);
 287 #if wxUSE_GIF && wxUSE_TIMER
 288     void AdvanceAnimation(wxTimer *timer);
 289     virtual void Layout(int w);
 290 #endif
 291
 292 private:
 293     wxBitmap           *m_bitmap;
 294     int                 m_bmpW, m_bmpH;
 295     bool                m_showFrame:1;
 296     wxScrolledWindow   *m_window;
 297 #if wxUSE_GIF && wxUSE_TIMER
 298     wxGIFDecoder       *m_gifDecoder;
 299     wxTimer            *m_gifTimer;
 300     int                 m_physX, m_physY;
 301 #endif
 302     double              m_scale;
 303     wxHtmlImageMapCell *m_imageMap;
 304     wxString            m_mapName;
 305 };
 306
 307 #if wxUSE_GIF && wxUSE_TIMER
 308 class wxGIFTimer : public wxTimer
 309 {
 310     public:
 311         wxGIFTimer(wxHtmlImageCell *cell) : m_cell(cell) {}
 312         virtual void Notify()
 313         {
 314             m_cell->AdvanceAnimation(this);
 315         }
 316
 317     private:
 318         wxHtmlImageCell *m_cell;
 319 };
 320 #endif
 321
 322
 323 //--------------------------------------------------------------------------------
 324 // wxHtmlImageCell
 325 //--------------------------------------------------------------------------------
 326
 327 /* XPM */
 328 static const char * broken_image_xpm[] = {
 329 "29 31 7 1",
 330 "       c None",
 331 ".      c #808080",
 332 "+      c #FFFFFF",
 333 "@      c #C0C0C0",
 334 "#      c #000000",
 335 "$      c #333366",
 336 "%      c #B2B2B2",
 337 ".....................        ",
 338 ".+++++++++++++++++++..       ",
 339 ".+++++++++++++++++++.@.      ",
 340 ".++@@@@@@@@@@@@@@@@@.+@.     ",
 341 ".++@@@@@@@@@@@@@@@@@.++@.    ",
 342 ".++@@@@@.@@@@.@@@@@@.+++@.   ",
 343 ".++@@@@@@@@@@@@@@@@@.++++@.  ",
 344 ".++@@@@@@@@@@@@@@@@@.+++++@. ",
 345 ".++@@.@@@@@@@@@@.@@@######## ",
 346 ".++@@@@@@@@@@@@@@@@@@$$$$$$#.",
 347 ".######@@@@@@@@@@@@@@@.....#.",
 348 "       ###@@@@@@@@@@@@@@@++#.",
 349 "          #####@@@@@@@@@@++#.",
 350 "              #@.@@@@@@@@++#.",
 351 "..             ###@@@@@@@++#.",
 352 ".+....            #@@@@@@++#.",
 353 ".++@@@...          ####@@++#.",
 354 ".++@@@@@@..            #####.",
 355 ".++@@@@@@@@...               ",
 356 ".++@@@@@@%%%%@.              ",
 357 ".++@@@@@@%%%%@@....          ",
 358 ".++@@@@@@%%%%@@@@@@....      ",
 359 ".++@@@@@@%%%%@@@@@@@@@@....  ",
 360 ".++@@@@@@@@@@@@@@@@@@@@@@++#.",
 361 ".++@@@@@@@@@@@@@@@@@@@@@@++#.",
 362 ".++@@@@@@@@@@@@@@@@@@@@@@++#.",
 363 ".++@@@@@@@@@@@@@@@@@@@@@@++#.",
 364 ".++@@@@@@@@@@@@@@@@@@@@@@++#.",
 365 ".++++++++++++++++++++++++++#.",
 366 ".++++++++++++++++++++++++++#.",
 367 "############################."};
 368
 369 wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input,
 370                                  int w, int h, double scale, int align,
 371                                  const wxString& mapname) : wxHtmlCell()
 372 {
 373     m_window = window ? wxStaticCast(window, wxScrolledWindow) : NULL;
 374     m_scale = scale;
 375     m_showFrame = FALSE;
 376     m_bitmap = NULL;
 377     m_bmpW = w;
 378     m_bmpH = h;
 379     m_imageMap = NULL;
 380     m_mapName = mapname;
 381     SetCanLiveOnPagebreak(FALSE);
 382 #if wxUSE_GIF && wxUSE_TIMER
 383     m_gifDecoder = NULL;
 384     m_gifTimer = NULL;
 385     m_physX = m_physY = -1;
 386 #endif
 387
 388     if ( input )
 389     {
 390         wxInputStream *s = input->GetStream();
 391
 392         if ( s )
 393         {
 394             bool readImg = TRUE;
 395
 396 #if wxUSE_GIF && wxUSE_TIMER
 397             if ( (input->GetLocation().Matches(wxT("*.gif")) ||
 398                   input->GetLocation().Matches(wxT("*.GIF"))) && m_window )
 399             {
 400                 m_gifDecoder = new wxGIFDecoder(s, TRUE);
 401                 if ( m_gifDecoder->ReadGIF() == wxGIF_OK )
 402                 {
 403                     wxImage img;
 404                     if ( m_gifDecoder->ConvertToImage(&img) )
 405                         SetImage(img);
 406
 407                     readImg = FALSE;
 408
 409                     if ( m_gifDecoder->IsAnimation() )
 410                     {
 411                         m_gifTimer = new wxGIFTimer(this);
 412                         m_gifTimer->Start(m_gifDecoder->GetDelay(), TRUE);
 413                     }
 414                     else
 415                     {
 416                         wxDELETE(m_gifDecoder);
 417                     }
 418                 }
 419                 else
 420                 {
 421                     wxDELETE(m_gifDecoder);
 422                 }
 423             }
 424
 425             if ( readImg )
 426 #endif // wxUSE_GIF && wxUSE_TIMER
 427             {
 428                 SetImage(wxImage(*s, wxBITMAP_TYPE_ANY));
 429             }
 430         }
 431     }
 432     else // input==NULL, use "broken image" bitmap
 433     {
 434         if ( m_bmpW == -1 && m_bmpH == -1 )
 435         {
 436             m_bmpW = 29;
 437             m_bmpH = 31;
 438         }
 439         else
 440         {
 441             m_showFrame = TRUE;
 442             if ( m_bmpW == -1 ) m_bmpW = 31;
 443             if ( m_bmpH == -1 ) m_bmpH = 33;
 444         }
 445         m_bitmap = new wxBitmap(broken_image_xpm);
 446     }
 447
 448     m_Width = (int)(scale * (double)m_bmpW);
 449     m_Height = (int)(scale * (double)m_bmpH);
 450
 451     switch (align)
 452     {
 453         case wxHTML_ALIGN_TOP :
 454             m_Descent = m_Height;
 455             break;
 456         case wxHTML_ALIGN_CENTER :
 457             m_Descent = m_Height / 2;
 458             break;
 459         case wxHTML_ALIGN_BOTTOM :
 460         default :
 461             m_Descent = 0;
 462             break;
 463     }
 464  }
 465
 466 void wxHtmlImageCell::SetImage(const wxImage& img)
 467 {
 468     if ( img.Ok() )
 469     {
 470         delete m_bitmap;
 471
 472         int ww, hh;
 473         ww = img.GetWidth();
 474         hh = img.GetHeight();
 475
 476         if ( m_bmpW == -1 )
 477             m_bmpW = ww;
 478         if ( m_bmpH == -1 )
 479             m_bmpH = hh;
 480
 481         if ((m_bmpW != ww) || (m_bmpH != hh))
 482         {
 483             wxImage img2 = img.Scale(m_bmpW, m_bmpH);
 484             m_bitmap = new wxBitmap(img2);
 485         }
 486         else
 487             m_bitmap = new wxBitmap(img);
 488     }
 489 }
 490
 491 #if wxUSE_GIF && wxUSE_TIMER
 492 void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
 493 {
 494     wxImage img;
 495
 496     m_gifDecoder->GoNextFrame(TRUE);
 497
 498     if ( m_physX == -1 )
 499     {
 500         m_physX = m_physY = 0;
 501         for (wxHtmlCell *cell = this; cell; cell = cell->GetParent())
 502         {
 503             m_physX += cell->GetPosX();
 504             m_physY += cell->GetPosY();
 505         }
 506     }
 507
 508     int x, y;
 509     m_window->CalcScrolledPosition(m_physX, m_physY, &x, &y);
 510     wxRect rect(x, y, m_Width, m_Height);
 511
 512     if ( m_window->GetClientRect().Intersects(rect) &&
 513          m_gifDecoder->ConvertToImage(&img) )
 514     {
 515         if ( (int)m_gifDecoder->GetWidth() != m_Width ||
 516              (int)m_gifDecoder->GetHeight() != m_Height ||
 517              m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 )
 518         {
 519             wxBitmap bmp(img);
 520             wxMemoryDC dc;
 521             dc.SelectObject(*m_bitmap);
 522             dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop());
 523         }
 524         else
 525             SetImage(img);
 526         m_window->Refresh(img.HasMask(), &rect);
 527     }
 528
 529     timer->Start(m_gifDecoder->GetDelay(), TRUE);
 530 }
 531
 532 void wxHtmlImageCell::Layout(int w)
 533 {
 534     wxHtmlCell::Layout(w);
 535     m_physX = m_physY = -1;
 536 }
 537
 538 #endif
 539
 540 wxHtmlImageCell::~wxHtmlImageCell()
 541 {
 542     delete m_bitmap;
 543 #if wxUSE_GIF && wxUSE_TIMER
 544     delete m_gifTimer;
 545     delete m_gifDecoder;
 546 #endif
 547 }
 548
 549
 550 void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 551 {
 552     if ( m_showFrame )
 553     {
 554         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 555         dc.SetPen(*wxBLACK_PEN);
 556         dc.DrawRectangle(x + m_PosX, y + m_PosY, m_Width, m_Height);
 557         x++, y++;
 558     }
 559     if ( m_bitmap )
 560     {
 561         double us_x, us_y;
 562         dc.GetUserScale(&us_x, &us_y);
 563         dc.SetUserScale(us_x * m_scale, us_y * m_scale);
 564
 565         dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale),
 566                                  (int) ((y + m_PosY) / m_scale), TRUE);
 567         dc.SetUserScale(us_x, us_y);
 568     }
 569 }
 570
 571 wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
 572 {
 573     if (m_mapName.IsEmpty())
 574         return wxHtmlCell::GetLink( x, y );
 575     if (!m_imageMap)
 576     {
 577         wxHtmlContainerCell *p, *op;
 578         op = p = GetParent();
 579         while (p)
 580         {
 581             op = p;
 582             p = p->GetParent();
 583         }
 584         p = op;
 585         wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP,
 586                                                 (const void*)(&m_mapName));
 587         if (!cell)
 588         {
 589             ((wxString&)m_mapName).Clear();
 590             return wxHtmlCell::GetLink( x, y );
 591         }
 592         {   // dirty hack, ask Joel why he fills m_ImageMap in this place
 593             // THE problem is that we're in const method and we can't modify m_ImageMap
 594             wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap);
 595             *cx = (wxHtmlImageMapCell*)cell;
 596         }
 597     }
 598     return m_imageMap->GetLink(x, y);
 599 }
 600
 601
 602
 603 //--------------------------------------------------------------------------------
 604 // tag handler
 605 //--------------------------------------------------------------------------------
 606
 607 TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
 608
 609     TAG_HANDLER_PROC(tag)
 610     {
 611         if (tag.GetName() == wxT("IMG"))
 612         {
 613             if (tag.HasParam(wxT("SRC")))
 614             {
 615                 int w = -1, h = -1;
 616                 int al;
 617                 wxFSFile *str;
 618                 wxString tmp = tag.GetParam(wxT("SRC"));
 619                 wxString mn = wxEmptyString;
 620
 621                 str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
 622
 623                 if (tag.HasParam(wxT("WIDTH")))
 624                     tag.GetParamAsInt(wxT("WIDTH"), &w);
 625                 if (tag.HasParam(wxT("HEIGHT")))
 626                     tag.GetParamAsInt(wxT("HEIGHT"), &h);
 627                 al = wxHTML_ALIGN_BOTTOM;
 628                 if (tag.HasParam(wxT("ALIGN")))
 629                 {
 630                     wxString alstr = tag.GetParam(wxT("ALIGN"));
 631                     alstr.MakeUpper();  // for the case alignment was in ".."
 632                     if (alstr == wxT("TEXTTOP"))
 633                         al = wxHTML_ALIGN_TOP;
 634                     else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
 635                         al = wxHTML_ALIGN_CENTER;
 636                 }
 637                 if (tag.HasParam(wxT("USEMAP")))
 638                 {
 639                     mn = tag.GetParam( wxT("USEMAP") );
 640                     if (mn.GetChar(0) == wxT('#'))
 641                     {
 642                         mn = mn.Mid( 1 );
 643                     }
 644                 }
 645                 wxHtmlImageCell *cel = new wxHtmlImageCell(
 646                                           m_WParser->GetWindow(),
 647                                           str, w, h,
 648                                           m_WParser->GetPixelScale(),
 649                                           al, mn);
 650                 cel->SetLink(m_WParser->GetLink());
 651                 cel->SetId(tag.GetParam(wxT("id"))); // may be empty
 652                 m_WParser->GetContainer()->InsertCell(cel);
 653                 if (str)
 654                     delete str;
 655             }
 656         }
 657         if (tag.GetName() == wxT("MAP"))
 658         {
 659             m_WParser->CloseContainer();
 660             m_WParser->OpenContainer();
 661             if (tag.HasParam(wxT("NAME")))
 662             {
 663                 wxString tmp = tag.GetParam(wxT("NAME"));
 664                 wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
 665                 m_WParser->GetContainer()->InsertCell( cel );
 666             }
 667             ParseInner( tag );
 668             m_WParser->CloseContainer();
 669             m_WParser->OpenContainer();
 670         }
 671         if (tag.GetName() == wxT("AREA"))
 672         {
 673             if (tag.HasParam(wxT("SHAPE")))
 674             {
 675                 wxString tmp = tag.GetParam(wxT("SHAPE"));
 676                 wxString coords = wxEmptyString;
 677                 tmp.MakeUpper();
 678                 wxHtmlImageMapAreaCell *cel = NULL;
 679                 if (tag.HasParam(wxT("COORDS")))
 680                 {
 681                     coords = tag.GetParam(wxT("COORDS"));
 682                 }
 683                 if (tmp == wxT("POLY"))
 684                 {
 685                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
 686                 }
 687                 else if (tmp == wxT("CIRCLE"))
 688                 {
 689                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
 690                 }
 691                 else if (tmp == wxT("RECT"))
 692                 {
 693                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
 694                 }
 695                 if (cel != NULL && tag.HasParam(wxT("HREF")))
 696                 {
 697                     wxString tmp = tag.GetParam(wxT("HREF"));
 698                     wxString target = wxEmptyString;
 699                     if (tag.HasParam(wxT("TARGET"))) target = tag.GetParam(wxT("TARGET"));
 700                     cel->SetLink( wxHtmlLinkInfo(tmp, target));
 701                 }
 702                 if (cel != NULL) m_WParser->GetContainer()->InsertCell( cel );
 703             }
 704         }
 705
 706         return FALSE;
 707     }
 708
 709 TAG_HANDLER_END(IMG)
 710
 711
 712
 713 TAGS_MODULE_BEGIN(Image)
 714
 715     TAGS_MODULE_ADD(IMG)
 716
 717 TAGS_MODULE_END(Image)
 718
 719
 720 #endif