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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 __BORLANDC__
  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 #include "wx/log.h"
  38 #include "wx/artprov.h"
  39 #include "wx/math.h"
  40
  41 #include <float.h>
  42
  43 FORCE_LINK_ME(m_image)
  44
  45
  46
  47
  48 WX_DECLARE_OBJARRAY(int, CoordArray);
  49 #include "wx/arrimpl.cpp" // this is a magic incantation which must be done!
  50 WX_DEFINE_OBJARRAY(CoordArray);
  51
  52
  53 // ---------------------------------------------------------------------------
  54 // wxHtmlImageMapAreaCell
  55 //                  0-width, 0-height cell that represents single area in
  56 //                  imagemap (it's GetLink is called from wxHtmlImageCell's)
  57 // ---------------------------------------------------------------------------
  58
  59 class wxHtmlImageMapAreaCell : public wxHtmlCell
  60 {
  61     public:
  62         enum celltype { CIRCLE, RECT, POLY };
  63     protected:
  64         CoordArray coords;
  65         celltype type;
  66         int radius;
  67     public:
  68         wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0);
  69         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
  70         void Draw(wxDC& WXUNUSED(dc),
  71                   int WXUNUSED(x), int WXUNUSED(y),
  72                   int WXUNUSED(view_y1), int WXUNUSED(view_y2),
  73                   wxHtmlRenderingInfo& WXUNUSED(info)) {}
  74
  75
  76     DECLARE_NO_COPY_CLASS(wxHtmlImageMapAreaCell)
  77 };
  78
  79
  80
  81
  82
  83 wxHtmlImageMapAreaCell::wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::celltype t, wxString &incoords, double pixel_scale )
  84 {
  85     int i;
  86     wxString x = incoords, y;
  87
  88     type = t;
  89     while ((i = x.Find( ',' )) != wxNOT_FOUND)
  90     {
  91         coords.Add( (int)(pixel_scale * (double)wxAtoi( x.Left( i ).c_str())) );
  92         x = x.Mid( i + 1 );
  93     }
  94     coords.Add( (int)(pixel_scale * (double)wxAtoi( x.c_str())) );
  95 }
  96
  97 wxHtmlLinkInfo *wxHtmlImageMapAreaCell::GetLink( int x, int y ) const
  98 {
  99     switch (type)
 100     {
 101         case RECT:
 102             {
 103                 int l, t, r, b;
 104
 105                 l = coords[ 0 ];
 106                 t = coords[ 1 ];
 107                 r = coords[ 2 ];
 108                 b = coords[ 3 ];
 109                 if (x >= l && x <= r && y >= t && y <= b)
 110                 {
 111                     return m_Link;
 112                 }
 113                 break;
 114             }
 115         case CIRCLE:
 116             {
 117                 int l, t, r;
 118                 double  d;
 119
 120                 l = coords[ 0 ];
 121                 t = coords[ 1 ];
 122                 r = coords[ 2 ];
 123                 d = sqrt( (double) (((x - l) * (x - l)) + ((y - t) * (y - t))) );
 124                 if (d < (double)r)
 125                 {
 126                     return m_Link;
 127                 }
 128             }
 129             break;
 130         case POLY:
 131             {
 132                 if (coords.GetCount() >= 6)
 133                 {
 134                     int intersects = 0;
 135                     int wherex = x;
 136                     int wherey = y;
 137                     int totalv = coords.GetCount() / 2;
 138                     int totalc = totalv * 2;
 139                     int xval = coords[totalc - 2];
 140                     int yval = coords[totalc - 1];
 141                     int end = totalc;
 142                     int pointer = 1;
 143
 144                     if ((yval >= wherey) != (coords[pointer] >= wherey))
 145                     {
 146                         if ((xval >= wherex) == (coords[0] >= wherex))
 147                         {
 148                             intersects += (xval >= wherex) ? 1 : 0;
 149                         }
 150                         else
 151                         {
 152                             intersects += ((xval - (yval - wherey) *
 153                                             (coords[0] - xval) /
 154                                             (coords[pointer] - yval)) >= wherex) ? 1 : 0;
 155                         }
 156                     }
 157
 158                     while (pointer < end)
 159                     {
 160                         yval = coords[pointer];
 161                         pointer += 2;
 162                         if (yval >= wherey)
 163                         {
 164                             while ((pointer < end) && (coords[pointer] >= wherey))
 165                             {
 166                                 pointer += 2;
 167                             }
 168                             if (pointer >= end)
 169                             {
 170                                 break;
 171                             }
 172                             if ((coords[pointer - 3] >= wherex) ==
 173                                     (coords[pointer - 1] >= wherex)) {
 174                                 intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
 175                             }
 176                             else
 177                             {
 178                                 intersects +=
 179                                     ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
 180                                       (coords[pointer - 1] - coords[pointer - 3]) /
 181                                       (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
 182                             }
 183                         }
 184                         else
 185                         {
 186                             while ((pointer < end) && (coords[pointer] < wherey))
 187                             {
 188                                 pointer += 2;
 189                             }
 190                             if (pointer >= end)
 191                             {
 192                                 break;
 193                             }
 194                             if ((coords[pointer - 3] >= wherex) ==
 195                                     (coords[pointer - 1] >= wherex))
 196                             {
 197                                 intersects += (coords[pointer - 3] >= wherex) ? 1 : 0;
 198                             }
 199                             else
 200                             {
 201                                 intersects +=
 202                                     ((coords[pointer - 3] - (coords[pointer - 2] - wherey) *
 203                                       (coords[pointer - 1] - coords[pointer - 3]) /
 204                                       (coords[pointer] - coords[pointer - 2])) >= wherex) ? 1 : 0;
 205                             }
 206                         }
 207                     }
 208                     if ((intersects & 1) != 0)
 209                     {
 210                         return m_Link;
 211                     }
 212                 }
 213             }
 214             break;
 215     }
 216
 217     if (m_Next)
 218     {
 219         wxHtmlImageMapAreaCell  *a = (wxHtmlImageMapAreaCell*)m_Next;
 220         return a->GetLink( x, y );
 221     }
 222     return NULL;
 223 }
 224
 225
 226
 227
 228
 229
 230
 231
 232 //--------------------------------------------------------------------------------
 233 // wxHtmlImageMapCell
 234 //                  0-width, 0-height cell that represents map from imagemaps
 235 //                  it is always placed before wxHtmlImageMapAreaCells
 236 //                  It responds to Find(wxHTML_COND_ISIMAGEMAP)
 237 //--------------------------------------------------------------------------------
 238
 239
 240 class wxHtmlImageMapCell : public wxHtmlCell
 241 {
 242     public:
 243         wxHtmlImageMapCell( wxString &name );
 244     protected:
 245         wxString m_Name;
 246     public:
 247         virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
 248         virtual const wxHtmlCell *Find( int cond, const void *param ) const;
 249         void Draw(wxDC& WXUNUSED(dc),
 250                   int WXUNUSED(x), int WXUNUSED(y),
 251                   int WXUNUSED(view_y1), int WXUNUSED(view_y2),
 252                   wxHtmlRenderingInfo& WXUNUSED(info)) {}
 253
 254     DECLARE_NO_COPY_CLASS(wxHtmlImageMapCell)
 255 };
 256
 257
 258 wxHtmlImageMapCell::wxHtmlImageMapCell( wxString &name )
 259 {
 260     m_Name = name ;
 261 }
 262
 263 wxHtmlLinkInfo *wxHtmlImageMapCell::GetLink( int x, int y ) const
 264 {
 265     wxHtmlImageMapAreaCell  *a = (wxHtmlImageMapAreaCell*)m_Next;
 266     if (a)
 267         return a->GetLink( x, y );
 268     return wxHtmlCell::GetLink( x, y );
 269 }
 270
 271 const wxHtmlCell *wxHtmlImageMapCell::Find( int cond, const void *param ) const
 272 {
 273     if (cond == wxHTML_COND_ISIMAGEMAP)
 274     {
 275         if (m_Name == *((wxString*)(param)))
 276             return this;
 277     }
 278     return wxHtmlCell::Find(cond, param);
 279 }
 280
 281
 282
 283
 284
 285 //--------------------------------------------------------------------------------
 286 // wxHtmlImageCell
 287 //                  Image/bitmap
 288 //--------------------------------------------------------------------------------
 289
 290 class wxHtmlImageCell : public wxHtmlCell
 291 {
 292 public:
 293     wxHtmlImageCell(wxWindow *window,
 294                     wxFSFile *input, int w = wxDefaultCoord, int h = wxDefaultCoord,
 295                     double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM,
 296                     const wxString& mapname = wxEmptyString);
 297     ~wxHtmlImageCell();
 298     void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 299               wxHtmlRenderingInfo& info);
 300     virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const;
 301
 302     void SetImage(const wxImage& img);
 303 #if wxUSE_GIF && wxUSE_TIMER
 304     void AdvanceAnimation(wxTimer *timer);
 305     virtual void Layout(int w);
 306 #endif
 307
 308 private:
 309     wxBitmap           *m_bitmap;
 310     int                 m_bmpW, m_bmpH;
 311     bool                m_showFrame:1;
 312     wxScrolledWindow   *m_window;
 313 #if wxUSE_GIF && wxUSE_TIMER
 314     wxGIFDecoder       *m_gifDecoder;
 315     wxTimer            *m_gifTimer;
 316     int                 m_physX, m_physY;
 317 #endif
 318     double              m_scale;
 319     wxHtmlImageMapCell *m_imageMap;
 320     wxString            m_mapName;
 321
 322     DECLARE_NO_COPY_CLASS(wxHtmlImageCell)
 323 };
 324
 325 #if wxUSE_GIF && wxUSE_TIMER
 326 class wxGIFTimer : public wxTimer
 327 {
 328     public:
 329         wxGIFTimer(wxHtmlImageCell *cell) : m_cell(cell) {}
 330         virtual void Notify()
 331         {
 332             m_cell->AdvanceAnimation(this);
 333         }
 334
 335     private:
 336         wxHtmlImageCell *m_cell;
 337
 338     DECLARE_NO_COPY_CLASS(wxGIFTimer)
 339 };
 340 #endif
 341
 342
 343 //----------------------------------------------------------------------------
 344 // wxHtmlImageCell
 345 //----------------------------------------------------------------------------
 346
 347
 348 wxHtmlImageCell::wxHtmlImageCell(wxWindow *window, wxFSFile *input,
 349                                  int w, int h, double scale, int align,
 350                                  const wxString& mapname) : wxHtmlCell()
 351 {
 352     m_window = window ? wxStaticCast(window, wxScrolledWindow) : NULL;
 353     m_scale = scale;
 354     m_showFrame = false;
 355     m_bitmap = NULL;
 356     m_bmpW = w;
 357     m_bmpH = h;
 358     m_imageMap = NULL;
 359     m_mapName = mapname;
 360     SetCanLiveOnPagebreak(false);
 361 #if wxUSE_GIF && wxUSE_TIMER
 362     m_gifDecoder = NULL;
 363     m_gifTimer = NULL;
 364     m_physX = m_physY = wxDefaultCoord;
 365 #endif
 366
 367     if ( m_bmpW && m_bmpH )
 368     {
 369         if ( input )
 370         {
 371             wxInputStream *s = input->GetStream();
 372
 373             if ( s )
 374             {
 375                 bool readImg = true;
 376
 377 #if wxUSE_GIF && wxUSE_TIMER
 378                 if ( (input->GetLocation().Matches(wxT("*.gif")) ||
 379                       input->GetLocation().Matches(wxT("*.GIF"))) && m_window )
 380                 {
 381                     m_gifDecoder = new wxGIFDecoder(s, true);
 382                     if ( m_gifDecoder->ReadGIF() == wxGIF_OK )
 383                     {
 384                         wxImage img;
 385                         if ( m_gifDecoder->ConvertToImage(&img) )
 386                             SetImage(img);
 387
 388                         readImg = false;
 389
 390                         if ( m_gifDecoder->IsAnimation() )
 391                         {
 392                             m_gifTimer = new wxGIFTimer(this);
 393                             m_gifTimer->Start(m_gifDecoder->GetDelay(), true);
 394                         }
 395                         else
 396                         {
 397                             wxDELETE(m_gifDecoder);
 398                         }
 399                     }
 400                     else
 401                     {
 402                         wxDELETE(m_gifDecoder);
 403                     }
 404                 }
 405
 406                 if ( readImg )
 407 #endif // wxUSE_GIF && wxUSE_TIMER
 408                 {
 409                     wxImage image(*s, wxBITMAP_TYPE_ANY);
 410                     if ( image.Ok() )
 411                         SetImage(image);
 412                 }
 413             }
 414         }
 415         else // input==NULL, use "broken image" bitmap
 416         {
 417             if ( m_bmpW == wxDefaultCoord && m_bmpH == wxDefaultCoord )
 418             {
 419                 m_bmpW = 29;
 420                 m_bmpH = 31;
 421             }
 422             else
 423             {
 424                 m_showFrame = true;
 425                 if ( m_bmpW == wxDefaultCoord ) m_bmpW = 31;
 426                 if ( m_bmpH == wxDefaultCoord ) m_bmpH = 33;
 427             }
 428             m_bitmap =
 429                 new wxBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
 430         }
 431     }
 432     //else: ignore the 0-sized images used sometimes on the Web pages
 433
 434     m_Width = (int)(scale * (double)m_bmpW);
 435     m_Height = (int)(scale * (double)m_bmpH);
 436
 437     switch (align)
 438     {
 439         case wxHTML_ALIGN_TOP :
 440             m_Descent = m_Height;
 441             break;
 442         case wxHTML_ALIGN_CENTER :
 443             m_Descent = m_Height / 2;
 444             break;
 445         case wxHTML_ALIGN_BOTTOM :
 446         default :
 447             m_Descent = 0;
 448             break;
 449     }
 450  }
 451
 452 void wxHtmlImageCell::SetImage(const wxImage& img)
 453 {
 454     if ( img.Ok() )
 455     {
 456         delete m_bitmap;
 457
 458         int ww, hh;
 459         ww = img.GetWidth();
 460         hh = img.GetHeight();
 461
 462         if ( m_bmpW == wxDefaultCoord )
 463             m_bmpW = ww;
 464         if ( m_bmpH == wxDefaultCoord )
 465             m_bmpH = hh;
 466
 467         // Only scale the bitmap at the rendering stage,
 468         // so we don't lose quality twice
 469 /*
 470         if ((m_bmpW != ww) || (m_bmpH != hh))
 471         {
 472             wxImage img2 = img.Scale(m_bmpW, m_bmpH);
 473             m_bitmap = new wxBitmap(img2);
 474         }
 475         else
 476 */
 477             m_bitmap = new wxBitmap(img);
 478     }
 479 }
 480
 481 #if wxUSE_GIF && wxUSE_TIMER
 482 void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
 483 {
 484     wxImage img;
 485
 486     m_gifDecoder->GoNextFrame(true);
 487
 488     if ( m_physX == wxDefaultCoord )
 489     {
 490         m_physX = m_physY = 0;
 491         for (wxHtmlCell *cell = this; cell; cell = cell->GetParent())
 492         {
 493             m_physX += cell->GetPosX();
 494             m_physY += cell->GetPosY();
 495         }
 496     }
 497
 498     int x, y;
 499     m_window->CalcScrolledPosition(m_physX, m_physY, &x, &y);
 500     wxRect rect(x, y, m_Width, m_Height);
 501
 502     if ( m_window->GetClientRect().Intersects(rect) &&
 503          m_gifDecoder->ConvertToImage(&img) )
 504     {
 505         if ( (int)m_gifDecoder->GetWidth() != m_Width ||
 506              (int)m_gifDecoder->GetHeight() != m_Height ||
 507              m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 )
 508         {
 509             wxBitmap bmp(img);
 510             wxMemoryDC dc;
 511             dc.SelectObject(*m_bitmap);
 512             dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop(),
 513                           true /* use mask */);
 514         }
 515         else
 516             SetImage(img);
 517         m_window->Refresh(img.HasMask(), &rect);
 518     }
 519
 520     timer->Start(m_gifDecoder->GetDelay(), true);
 521 }
 522
 523 void wxHtmlImageCell::Layout(int w)
 524 {
 525     wxHtmlCell::Layout(w);
 526     m_physX = m_physY = wxDefaultCoord;
 527 }
 528
 529 #endif
 530
 531 wxHtmlImageCell::~wxHtmlImageCell()
 532 {
 533     delete m_bitmap;
 534 #if wxUSE_GIF && wxUSE_TIMER
 535     delete m_gifTimer;
 536     delete m_gifDecoder;
 537 #endif
 538 }
 539
 540
 541 void wxHtmlImageCell::Draw(wxDC& dc, int x, int y,
 542                            int WXUNUSED(view_y1), int WXUNUSED(view_y2),
 543                            wxHtmlRenderingInfo& WXUNUSED(info))
 544 {
 545     if ( m_showFrame )
 546     {
 547         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 548         dc.SetPen(*wxBLACK_PEN);
 549         dc.DrawRectangle(x + m_PosX, y + m_PosY, m_Width, m_Height);
 550         x++, y++;
 551     }
 552     if ( m_bitmap )
 553     {
 554         // We add in the scaling from the desired bitmap width
 555         // and height, so we only do the scaling once.
 556         double imageScaleX = 1.0;
 557         double imageScaleY = 1.0;
 558         if (m_bmpW != m_bitmap->GetWidth())
 559             imageScaleX = (double) m_bmpW / (double) m_bitmap->GetWidth();
 560         if (m_bmpH != m_bitmap->GetHeight())
 561             imageScaleY = (double) m_bmpH / (double) m_bitmap->GetHeight();
 562
 563         double us_x, us_y;
 564         dc.GetUserScale(&us_x, &us_y);
 565         dc.SetUserScale(us_x * m_scale * imageScaleX, us_y * m_scale * imageScaleY);
 566
 567         dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (m_scale*imageScaleX)),
 568                                  (int) ((y + m_PosY) / (m_scale*imageScaleY)), true);
 569         dc.SetUserScale(us_x, us_y);
 570     }
 571 }
 572
 573 wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
 574 {
 575     if (m_mapName.empty())
 576         return wxHtmlCell::GetLink( x, y );
 577     if (!m_imageMap)
 578     {
 579         wxHtmlContainerCell *p, *op;
 580         op = p = GetParent();
 581         while (p)
 582         {
 583             op = p;
 584             p = p->GetParent();
 585         }
 586         p = op;
 587         wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP,
 588                                                 (const void*)(&m_mapName));
 589         if (!cell)
 590         {
 591             ((wxString&)m_mapName).Clear();
 592             return wxHtmlCell::GetLink( x, y );
 593         }
 594         {   // dirty hack, ask Joel why he fills m_ImageMap in this place
 595             // THE problem is that we're in const method and we can't modify m_ImageMap
 596             wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap);
 597             *cx = (wxHtmlImageMapCell*)cell;
 598         }
 599     }
 600     return m_imageMap->GetLink(x, y);
 601 }
 602
 603
 604
 605 //--------------------------------------------------------------------------------
 606 // tag handler
 607 //--------------------------------------------------------------------------------
 608
 609 TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
 610     TAG_HANDLER_CONSTR(IMG) { }
 611
 612     TAG_HANDLER_PROC(tag)
 613     {
 614         if (tag.GetName() == wxT("IMG"))
 615         {
 616             if (tag.HasParam(wxT("SRC")))
 617             {
 618                 int w = wxDefaultCoord, h = wxDefaultCoord;
 619                 int al;
 620                 wxFSFile *str;
 621                 wxString tmp = tag.GetParam(wxT("SRC"));
 622                 wxString mn = wxEmptyString;
 623
 624                 str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
 625
 626                 if (tag.HasParam(wxT("WIDTH")))
 627                     tag.GetParamAsInt(wxT("WIDTH"), &w);
 628                 if (tag.HasParam(wxT("HEIGHT")))
 629                     tag.GetParamAsInt(wxT("HEIGHT"), &h);
 630                 al = wxHTML_ALIGN_BOTTOM;
 631                 if (tag.HasParam(wxT("ALIGN")))
 632                 {
 633                     wxString alstr = tag.GetParam(wxT("ALIGN"));
 634                     alstr.MakeUpper();  // for the case alignment was in ".."
 635                     if (alstr == wxT("TEXTTOP"))
 636                         al = wxHTML_ALIGN_TOP;
 637                     else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
 638                         al = wxHTML_ALIGN_CENTER;
 639                 }
 640                 if (tag.HasParam(wxT("USEMAP")))
 641                 {
 642                     mn = tag.GetParam( wxT("USEMAP") );
 643                     if (mn.GetChar(0) == wxT('#'))
 644                     {
 645                         mn = mn.Mid( 1 );
 646                     }
 647                 }
 648                 wxHtmlImageCell *cel = new wxHtmlImageCell(
 649                                           m_WParser->GetWindow(),
 650                                           str, w, h,
 651                                           m_WParser->GetPixelScale(),
 652                                           al, mn);
 653                 cel->SetLink(m_WParser->GetLink());
 654                 cel->SetId(tag.GetParam(wxT("id"))); // may be empty
 655                 m_WParser->GetContainer()->InsertCell(cel);
 656                 if (str)
 657                     delete str;
 658             }
 659         }
 660         if (tag.GetName() == wxT("MAP"))
 661         {
 662             m_WParser->CloseContainer();
 663             m_WParser->OpenContainer();
 664             if (tag.HasParam(wxT("NAME")))
 665             {
 666                 wxString tmp = tag.GetParam(wxT("NAME"));
 667                 wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
 668                 m_WParser->GetContainer()->InsertCell( cel );
 669             }
 670             ParseInner( tag );
 671             m_WParser->CloseContainer();
 672             m_WParser->OpenContainer();
 673         }
 674         if (tag.GetName() == wxT("AREA"))
 675         {
 676             if (tag.HasParam(wxT("SHAPE")))
 677             {
 678                 wxString tmp = tag.GetParam(wxT("SHAPE"));
 679                 wxString coords = wxEmptyString;
 680                 tmp.MakeUpper();
 681                 wxHtmlImageMapAreaCell *cel = NULL;
 682                 if (tag.HasParam(wxT("COORDS")))
 683                 {
 684                     coords = tag.GetParam(wxT("COORDS"));
 685                 }
 686                 if (tmp == wxT("POLY"))
 687                 {
 688                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
 689                 }
 690                 else if (tmp == wxT("CIRCLE"))
 691                 {
 692                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
 693                 }
 694                 else if (tmp == wxT("RECT"))
 695                 {
 696                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
 697                 }
 698                 if (cel != NULL && tag.HasParam(wxT("HREF")))
 699                 {
 700                     wxString tmp = tag.GetParam(wxT("HREF"));
 701                     wxString target = wxEmptyString;
 702                     if (tag.HasParam(wxT("TARGET"))) target = tag.GetParam(wxT("TARGET"));
 703                     cel->SetLink( wxHtmlLinkInfo(tmp, target));
 704                 }
 705                 if (cel != NULL) m_WParser->GetContainer()->InsertCell( cel );
 706             }
 707         }
 708
 709         return false;
 710     }
 711
 712 TAG_HANDLER_END(IMG)
 713
 714
 715
 716 TAGS_MODULE_BEGIN(Image)
 717
 718     TAGS_MODULE_ADD(IMG)
 719
 720 TAGS_MODULE_END(Image)
 721
 722
 723 #endif