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