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
 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, m_bmpH = 31;
 437         }
 438         else
 439         {
 440             m_showFrame = TRUE;
 441             if ( m_bmpW == -1 ) m_bmpW = 31;
 442             if ( m_bmpH == -1 ) m_bmpH = 33;
 443         }
 444         m_bitmap = new wxBitmap(broken_image_xpm);
 445     }
 446
 447     m_Width = (int)(scale * (double)m_bmpW);
 448     m_Height = (int)(scale * (double)m_bmpH);
 449
 450     switch (align)
 451     {
 452         case wxHTML_ALIGN_TOP :
 453             m_Descent = m_Height;
 454             break;
 455         case wxHTML_ALIGN_CENTER :
 456             m_Descent = m_Height / 2;
 457             break;
 458         case wxHTML_ALIGN_BOTTOM :
 459         default :
 460             m_Descent = 0;
 461             break;
 462     }
 463  }
 464
 465 void wxHtmlImageCell::SetImage(const wxImage& img)
 466 {
 467     if ( img.Ok() )
 468     {
 469         delete m_bitmap;
 470
 471         int ww, hh;
 472         ww = img.GetWidth();
 473         hh = img.GetHeight();
 474
 475         if ( m_bmpW == -1 )
 476             m_bmpW = ww;
 477         if ( m_bmpH == -1 )
 478             m_bmpH = hh;
 479
 480         if ((m_bmpW != ww) || (m_bmpH != hh))
 481         {
 482             wxImage img2 = img.Scale(m_bmpW, m_bmpH);
 483             m_bitmap = new wxBitmap(img2);
 484         }
 485         else
 486             m_bitmap = new wxBitmap(img);
 487     }
 488 }
 489
 490 #if wxUSE_GIF && wxUSE_TIMER
 491 void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
 492 {
 493     wxImage img;
 494
 495     m_gifDecoder->GoNextFrame(TRUE);
 496
 497     if ( m_physX == -1 )
 498     {
 499         m_physX = m_physY = 0;
 500         for (wxHtmlCell *cell = this; cell; cell = cell->GetParent())
 501         {
 502             m_physX += cell->GetPosX();
 503             m_physY += cell->GetPosY();
 504         }
 505     }
 506
 507     int x, y;
 508     m_window->CalcScrolledPosition(m_physX, m_physY, &x, &y);
 509     wxRect rect(x, y, m_Width, m_Height);
 510
 511     if ( m_window->GetClientRect().Intersects(rect) &&
 512          m_gifDecoder->ConvertToImage(&img) )
 513     {
 514         if ( (int)m_gifDecoder->GetWidth() != m_Width ||
 515              (int)m_gifDecoder->GetHeight() != m_Height ||
 516              m_gifDecoder->GetLeft() != 0 || m_gifDecoder->GetTop() != 0 )
 517         {
 518             wxBitmap bmp(img);
 519             wxMemoryDC dc;
 520             dc.SelectObject(*m_bitmap);
 521             dc.DrawBitmap(bmp, m_gifDecoder->GetLeft(), m_gifDecoder->GetTop());
 522         }
 523         else
 524             SetImage(img);
 525         m_window->Refresh(img.HasMask(), &rect);
 526     }
 527
 528     timer->Start(m_gifDecoder->GetDelay(), TRUE);
 529 }
 530
 531 void wxHtmlImageCell::Layout(int w)
 532 {
 533     wxHtmlCell::Layout(w);
 534     m_physX = m_physY = -1;
 535 }
 536
 537 #endif
 538
 539 wxHtmlImageCell::~wxHtmlImageCell()
 540 {
 541     delete m_bitmap;
 542 #if wxUSE_GIF && wxUSE_TIMER
 543     delete m_gifTimer;
 544     delete m_gifDecoder;
 545 #endif
 546 }
 547
 548
 549 void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 550 {
 551     if ( m_showFrame )
 552     {
 553         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 554         dc.SetPen(*wxBLACK_PEN);
 555         dc.DrawRectangle(x + m_PosX, y + m_PosY, m_Width, m_Height);
 556         x++, y++;
 557     }
 558     if ( m_bitmap )
 559     {
 560         double us_x, us_y;
 561         dc.GetUserScale(&us_x, &us_y);
 562         dc.SetUserScale(us_x * m_scale, us_y * m_scale);
 563
 564         dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / m_scale),
 565                                  (int) ((y + m_PosY) / m_scale), TRUE);
 566         dc.SetUserScale(us_x, us_y);
 567     }
 568 }
 569
 570 wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
 571 {
 572     if (m_mapName.IsEmpty())
 573         return wxHtmlCell::GetLink( x, y );
 574     if (!m_imageMap)
 575     {
 576         wxHtmlContainerCell *p, *op;
 577         op = p = GetParent();
 578         while (p)
 579         {
 580             op = p;
 581             p = p->GetParent();
 582         }
 583         p = op;
 584         wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP,
 585                                                 (const void*)(&m_mapName));
 586         if (!cell)
 587         {
 588             ((wxString&)m_mapName).Clear();
 589             return wxHtmlCell::GetLink( x, y );
 590         }
 591         {   // dirty hack, ask Joel why he fills m_ImageMap in this place
 592             // THE problem is that we're in const method and we can't modify m_ImageMap
 593             wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap);
 594             *cx = (wxHtmlImageMapCell*)cell;
 595         }
 596     }
 597     return m_imageMap->GetLink(x, y);
 598 }
 599
 600
 601
 602 //--------------------------------------------------------------------------------
 603 // tag handler
 604 //--------------------------------------------------------------------------------
 605
 606 TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
 607
 608     TAG_HANDLER_PROC(tag)
 609     {
 610         if (tag.GetName() == wxT("IMG"))
 611         {
 612             if (tag.HasParam(wxT("SRC")))
 613             {
 614                 int w = -1, h = -1;
 615                 int al;
 616                 wxFSFile *str;
 617                 wxString tmp = tag.GetParam(wxT("SRC"));
 618                 wxString mn = wxEmptyString;
 619
 620                 str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
 621
 622                 if (tag.HasParam(wxT("WIDTH")))
 623                     tag.GetParamAsInt(wxT("WIDTH"), &w);
 624                 if (tag.HasParam(wxT("HEIGHT")))
 625                     tag.GetParamAsInt(wxT("HEIGHT"), &h);
 626                 al = wxHTML_ALIGN_BOTTOM;
 627                 if (tag.HasParam(wxT("ALIGN")))
 628                 {
 629                     wxString alstr = tag.GetParam(wxT("ALIGN"));
 630                     alstr.MakeUpper();  // for the case alignment was in ".."
 631                     if (alstr == wxT("TEXTTOP"))
 632                         al = wxHTML_ALIGN_TOP;
 633                     else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
 634                         al = wxHTML_ALIGN_CENTER;
 635                 }
 636                 if (tag.HasParam(wxT("USEMAP")))
 637                 {
 638                     mn = tag.GetParam( wxT("USEMAP") );
 639                     if (mn.GetChar(0) == wxT('#'))
 640                     {
 641                         mn = mn.Mid( 1 );
 642                     }
 643                 }
 644                 wxHtmlImageCell *cel = new wxHtmlImageCell(
 645                                           m_WParser->GetWindow(),
 646                                           str, w, h,
 647                                           m_WParser->GetPixelScale(),
 648                                           al, mn);
 649                 cel->SetLink(m_WParser->GetLink());
 650                 cel->SetId(tag.GetParam(wxT("id"))); // may be empty
 651                 m_WParser->GetContainer()->InsertCell(cel);
 652                 if (str)
 653                     delete str;
 654             }
 655         }
 656         if (tag.GetName() == wxT("MAP"))
 657         {
 658             m_WParser->CloseContainer();
 659             m_WParser->OpenContainer();
 660             if (tag.HasParam(wxT("NAME")))
 661             {
 662                 wxString tmp = tag.GetParam(wxT("NAME"));
 663                 wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
 664                 m_WParser->GetContainer()->InsertCell( cel );
 665             }
 666             ParseInner( tag );
 667             m_WParser->CloseContainer();
 668             m_WParser->OpenContainer();
 669         }
 670         if (tag.GetName() == wxT("AREA"))
 671         {
 672             if (tag.HasParam(wxT("SHAPE")))
 673             {
 674                 wxString tmp = tag.GetParam(wxT("SHAPE"));
 675                 wxString coords = wxEmptyString;
 676                 tmp.MakeUpper();
 677                 wxHtmlImageMapAreaCell *cel = NULL;
 678                 if (tag.HasParam(wxT("COORDS")))
 679                 {
 680                     coords = tag.GetParam(wxT("COORDS"));
 681                 }
 682                 if (tmp == wxT("POLY"))
 683                 {
 684                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
 685                 }
 686                 else if (tmp == wxT("CIRCLE"))
 687                 {
 688                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
 689                 }
 690                 else if (tmp == wxT("RECT"))
 691                 {
 692                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
 693                 }
 694                 if (cel != NULL && tag.HasParam(wxT("HREF")))
 695                 {
 696                     wxString tmp = tag.GetParam(wxT("HREF"));
 697                     wxString target = wxEmptyString;
 698                     if (tag.HasParam(wxT("TARGET"))) target = tag.GetParam(wxT("TARGET"));
 699                     cel->SetLink( wxHtmlLinkInfo(tmp, target));
 700                 }
 701                 if (cel != NULL) 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