src/html/m_image.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/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 #ifdef __BORLANDC__
  13     #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_HTML && wxUSE_STREAMS
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/dynarray.h"
  20     #include "wx/dc.h"
  21     #include "wx/scrolwin.h"
  22     #include "wx/timer.h"
  23     #include "wx/dcmemory.h"
  24     #include "wx/log.h"
  25     #include "wx/math.h"
  26     #include "wx/image.h"
  27     #include "wx/wxcrtvararg.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/gifdecod.h"
  35 #include "wx/artprov.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     wxDECLARE_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     wxDECLARE_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(wxHtmlWindowInterface *windowIface,
 290                     wxFSFile *input,
 291                     int w = wxDefaultCoord, bool wpercent = false,
 292                     int h = wxDefaultCoord, bool hpresent = false,
 293                     double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM,
 294                     const wxString& mapname = wxEmptyString);
 295     virtual ~wxHtmlImageCell();
 296     void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 297               wxHtmlRenderingInfo& info);
 298     virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const;
 299
 300     void SetImage(const wxImage& img);
 301 #if wxUSE_GIF && wxUSE_TIMER
 302     void AdvanceAnimation(wxTimer *timer);
 303     virtual void Layout(int w);
 304 #endif
 305
 306 private:
 307     wxBitmap           *m_bitmap;
 308     int                 m_align;
 309     int                 m_bmpW, m_bmpH;
 310     bool                m_bmpWpercent:1;
 311     bool                m_bmpHpresent:1;
 312     bool                m_showFrame:1;
 313     wxHtmlWindowInterface *m_windowIface;
 314 #if wxUSE_GIF && wxUSE_TIMER
 315     wxGIFDecoder       *m_gifDecoder;
 316     wxTimer            *m_gifTimer;
 317     int                 m_physX, m_physY;
 318     size_t              m_nCurrFrame;
 319 #endif
 320     double              m_scale;
 321     wxHtmlImageMapCell *m_imageMap;
 322     wxString            m_mapName;
 323
 324     wxDECLARE_NO_COPY_CLASS(wxHtmlImageCell);
 325 };
 326
 327 #if wxUSE_GIF && wxUSE_TIMER
 328 class wxGIFTimer : public wxTimer
 329 {
 330     public:
 331         wxGIFTimer(wxHtmlImageCell *cell) : m_cell(cell) {}
 332         virtual void Notify()
 333         {
 334             m_cell->AdvanceAnimation(this);
 335         }
 336
 337     private:
 338         wxHtmlImageCell *m_cell;
 339
 340     wxDECLARE_NO_COPY_CLASS(wxGIFTimer);
 341 };
 342 #endif
 343
 344
 345 //----------------------------------------------------------------------------
 346 // wxHtmlImageCell
 347 //----------------------------------------------------------------------------
 348
 349
 350 wxHtmlImageCell::wxHtmlImageCell(wxHtmlWindowInterface *windowIface,
 351                                  wxFSFile *input,
 352                                  int w, bool wpercent, int h, bool hpresent, double scale, int align,
 353                                  const wxString& mapname) : wxHtmlCell()
 354 {
 355     m_windowIface = windowIface;
 356     m_scale = scale;
 357     m_showFrame = false;
 358     m_bitmap = NULL;
 359     m_bmpW   = w;
 360     m_bmpH   = h;
 361     m_align  = align;
 362     m_bmpWpercent = wpercent;
 363     m_bmpHpresent = hpresent;
 364     m_imageMap = NULL;
 365     m_mapName = mapname;
 366     SetCanLiveOnPagebreak(false);
 367 #if wxUSE_GIF && wxUSE_TIMER
 368     m_gifDecoder = NULL;
 369     m_gifTimer = NULL;
 370     m_physX = m_physY = wxDefaultCoord;
 371     m_nCurrFrame = 0;
 372 #endif
 373
 374     if ( m_bmpW && m_bmpH )
 375     {
 376         if ( input )
 377         {
 378             wxInputStream *s = input->GetStream();
 379
 380             if ( s )
 381             {
 382 #if wxUSE_GIF && wxUSE_TIMER
 383                 bool readImg = true;
 384                 if ( m_windowIface &&
 385                      (input->GetLocation().Matches(wxT("*.gif")) ||
 386                       input->GetLocation().Matches(wxT("*.GIF"))) )
 387                 {
 388                     m_gifDecoder = new wxGIFDecoder();
 389                     if ( m_gifDecoder->LoadGIF(*s) == wxGIF_OK )
 390                     {
 391                         wxImage img;
 392                         if ( m_gifDecoder->ConvertToImage(0, &img) )
 393                             SetImage(img);
 394
 395                         readImg = false;
 396
 397                         if ( m_gifDecoder->IsAnimation() )
 398                         {
 399                             m_gifTimer = new wxGIFTimer(this);
 400                             long delay = m_gifDecoder->GetDelay(0);
 401                             if ( delay == 0 )
 402                                 delay = 1;
 403                             m_gifTimer->Start(delay, true);
 404                         }
 405                         else
 406                         {
 407                             wxDELETE(m_gifDecoder);
 408                         }
 409                     }
 410                     else
 411                     {
 412                         wxDELETE(m_gifDecoder);
 413                     }
 414                 }
 415
 416                 if ( readImg )
 417 #endif // wxUSE_GIF && wxUSE_TIMER
 418                 {
 419                     wxImage image(*s, wxBITMAP_TYPE_ANY);
 420                     if ( image.Ok() )
 421                         SetImage(image);
 422                 }
 423             }
 424         }
 425         else // input==NULL, use "broken image" bitmap
 426         {
 427             if ( m_bmpW == wxDefaultCoord && m_bmpH == wxDefaultCoord )
 428             {
 429                 m_bmpW = 29;
 430                 m_bmpH = 31;
 431             }
 432             else
 433             {
 434                 m_showFrame = true;
 435                 if ( m_bmpW == wxDefaultCoord ) m_bmpW = 31;
 436                 if ( m_bmpH == wxDefaultCoord ) m_bmpH = 33;
 437             }
 438             m_bitmap =
 439                 new wxBitmap(wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
 440         }
 441     }
 442     //else: ignore the 0-sized images used sometimes on the Web pages
 443
 444  }
 445
 446 void wxHtmlImageCell::SetImage(const wxImage& img)
 447 {
 448 #if !defined(__WXMSW__) || wxUSE_WXDIB
 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 #endif
 475 }
 476
 477 #if wxUSE_GIF && wxUSE_TIMER
 478 void wxHtmlImageCell::AdvanceAnimation(wxTimer *timer)
 479 {
 480     wxImage img;
 481
 482     // advance current frame
 483     m_nCurrFrame++;
 484     if (m_nCurrFrame == m_gifDecoder->GetFrameCount())
 485         m_nCurrFrame = 0;
 486
 487     if ( m_physX == wxDefaultCoord )
 488     {
 489         m_physX = m_physY = 0;
 490         for (wxHtmlCell *cell = this; cell; cell = cell->GetParent())
 491         {
 492             m_physX += cell->GetPosX();
 493             m_physY += cell->GetPosY();
 494         }
 495     }
 496
 497     wxWindow *win = m_windowIface->GetHTMLWindow();
 498     wxPoint pos =
 499         m_windowIface->HTMLCoordsToWindow(this, wxPoint(m_physX, m_physY));
 500     wxRect rect(pos, wxSize(m_Width, m_Height));
 501
 502     if ( win->GetClientRect().Intersects(rect) &&
 503          m_gifDecoder->ConvertToImage(m_nCurrFrame, &img) )
 504     {
 505 #if !defined(__WXMSW__) || wxUSE_WXDIB
 506         if ( m_gifDecoder->GetFrameSize(m_nCurrFrame) != wxSize(m_Width, m_Height) ||
 507              m_gifDecoder->GetFramePosition(m_nCurrFrame) != wxPoint(0, 0) )
 508         {
 509             wxBitmap bmp(img);
 510             wxMemoryDC dc;
 511             dc.SelectObject(*m_bitmap);
 512             dc.DrawBitmap(bmp, m_gifDecoder->GetFramePosition(m_nCurrFrame),
 513                           true /* use mask */);
 514         }
 515         else
 516 #endif
 517             SetImage(img);
 518         win->Refresh(img.HasMask(), &rect);
 519     }
 520
 521     long delay = m_gifDecoder->GetDelay(m_nCurrFrame);
 522     if ( delay == 0 )
 523         delay = 1;
 524     timer->Start(delay, true);
 525 }
 526
 527 void wxHtmlImageCell::Layout(int w)
 528 {
 529     if (m_bmpWpercent)
 530     {
 531
 532         m_Width = w*m_bmpW/100;
 533
 534         if (!m_bmpHpresent && m_bitmap != NULL)
 535             m_Height = m_bitmap->GetHeight()*m_Width/m_bitmap->GetWidth();
 536         else
 537             m_Height = m_scale*m_bmpH;
 538     } else
 539     {
 540         m_Width  = m_scale*m_bmpW;
 541         m_Height = m_scale*m_bmpH;
 542     }
 543
 544     switch (m_align)
 545     {
 546         case wxHTML_ALIGN_TOP :
 547             m_Descent = m_Height;
 548             break;
 549         case wxHTML_ALIGN_CENTER :
 550             m_Descent = m_Height / 2;
 551             break;
 552         case wxHTML_ALIGN_BOTTOM :
 553         default :
 554             m_Descent = 0;
 555             break;
 556     }
 557
 558     wxHtmlCell::Layout(w);
 559     m_physX = m_physY = wxDefaultCoord;
 560 }
 561
 562 #endif
 563
 564 wxHtmlImageCell::~wxHtmlImageCell()
 565 {
 566     delete m_bitmap;
 567 #if wxUSE_GIF && wxUSE_TIMER
 568     delete m_gifTimer;
 569     delete m_gifDecoder;
 570 #endif
 571 }
 572
 573
 574 void wxHtmlImageCell::Draw(wxDC& dc, int x, int y,
 575                            int WXUNUSED(view_y1), int WXUNUSED(view_y2),
 576                            wxHtmlRenderingInfo& WXUNUSED(info))
 577 {
 578     if ( m_showFrame )
 579     {
 580         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 581         dc.SetPen(*wxBLACK_PEN);
 582         dc.DrawRectangle(x + m_PosX, y + m_PosY, m_Width, m_Height);
 583         x++, y++;
 584     }
 585     if ( m_bitmap )
 586     {
 587         // We add in the scaling from the desired bitmap width
 588         // and height, so we only do the scaling once.
 589         double imageScaleX = 1.0;
 590         double imageScaleY = 1.0;
 591         if (m_Width != m_bitmap->GetWidth())
 592             imageScaleX = (double) m_Width / (double) m_bitmap->GetWidth();
 593         if (m_Height != m_bitmap->GetHeight())
 594             imageScaleY = (double) m_Height / (double) m_bitmap->GetHeight();
 595
 596         double us_x, us_y;
 597         dc.GetUserScale(&us_x, &us_y);
 598         dc.SetUserScale(us_x * imageScaleX, us_y * imageScaleY);
 599
 600         dc.DrawBitmap(*m_bitmap, (int) ((x + m_PosX) / (imageScaleX)),
 601                                  (int) ((y + m_PosY) / (imageScaleY)), true);
 602         dc.SetUserScale(us_x, us_y);
 603     }
 604 }
 605
 606 wxHtmlLinkInfo *wxHtmlImageCell::GetLink( int x, int y ) const
 607 {
 608     if (m_mapName.empty())
 609         return wxHtmlCell::GetLink( x, y );
 610     if (!m_imageMap)
 611     {
 612         wxHtmlContainerCell *p, *op;
 613         op = p = GetParent();
 614         while (p)
 615         {
 616             op = p;
 617             p = p->GetParent();
 618         }
 619         p = op;
 620         wxHtmlCell *cell = (wxHtmlCell*)p->Find(wxHTML_COND_ISIMAGEMAP,
 621                                                 (const void*)(&m_mapName));
 622         if (!cell)
 623         {
 624             ((wxString&)m_mapName).Clear();
 625             return wxHtmlCell::GetLink( x, y );
 626         }
 627         {   // dirty hack, ask Joel why he fills m_ImageMap in this place
 628             // THE problem is that we're in const method and we can't modify m_ImageMap
 629             wxHtmlImageMapCell **cx = (wxHtmlImageMapCell**)(&m_imageMap);
 630             *cx = (wxHtmlImageMapCell*)cell;
 631         }
 632     }
 633     return m_imageMap->GetLink(x, y);
 634 }
 635
 636
 637
 638 //--------------------------------------------------------------------------------
 639 // tag handler
 640 //--------------------------------------------------------------------------------
 641
 642 TAG_HANDLER_BEGIN(IMG, "IMG,MAP,AREA")
 643     TAG_HANDLER_CONSTR(IMG) { }
 644
 645     TAG_HANDLER_PROC(tag)
 646     {
 647         if (tag.GetName() == wxT("IMG"))
 648         {
 649             if (tag.HasParam(wxT("SRC")))
 650             {
 651                 int w = wxDefaultCoord, h = wxDefaultCoord;
 652                 bool wpercent = false;
 653                 bool hpresent = false;
 654                 int al;
 655                 wxFSFile *str;
 656                 wxString tmp = tag.GetParam(wxT("SRC"));
 657                 wxString mn = wxEmptyString;
 658
 659                 str = m_WParser->OpenURL(wxHTML_URL_IMAGE, tmp);
 660
 661                 if (tag.HasParam(wxT("WIDTH")))
 662                 {
 663                     wxString param = tag.GetParam(wxT("WIDTH"));
 664                     wxSscanf(param.c_str(), wxT("%i"), &w);
 665                     if (param.EndsWith(wxT("%"))) {
 666                         if (w < 0)
 667                             w = 0;
 668                         else if (w > 100)
 669                             w = 100;
 670                         wpercent = true;
 671                     }
 672
 673                 }
 674
 675                 if (tag.HasParam(wxT("HEIGHT")))
 676                 {
 677                     tag.GetParamAsInt(wxT("HEIGHT"), &h);
 678                     hpresent = true;
 679                 }
 680
 681                 al = wxHTML_ALIGN_BOTTOM;
 682                 if (tag.HasParam(wxT("ALIGN")))
 683                 {
 684                     wxString alstr = tag.GetParam(wxT("ALIGN"));
 685                     alstr.MakeUpper();  // for the case alignment was in ".."
 686                     if (alstr == wxT("TEXTTOP"))
 687                         al = wxHTML_ALIGN_TOP;
 688                     else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER")))
 689                         al = wxHTML_ALIGN_CENTER;
 690                 }
 691                 if (tag.HasParam(wxT("USEMAP")))
 692                 {
 693                     mn = tag.GetParam( wxT("USEMAP") );
 694                     if ( !mn.empty() && *mn.begin() == '#' )
 695                     {
 696                         mn = mn.Mid( 1 );
 697                     }
 698                 }
 699                 wxHtmlImageCell *cel = new wxHtmlImageCell(
 700                                           m_WParser->GetWindowInterface(),
 701                                           str, w, wpercent, h, hpresent,
 702                                           m_WParser->GetPixelScale(),
 703                                           al, mn);
 704                 m_WParser->ApplyStateToCell(cel);
 705                 cel->SetId(tag.GetParam(wxT("id"))); // may be empty
 706                 m_WParser->GetContainer()->InsertCell(cel);
 707                 if (str)
 708                     delete str;
 709             }
 710         }
 711         if (tag.GetName() == wxT("MAP"))
 712         {
 713             m_WParser->CloseContainer();
 714             m_WParser->OpenContainer();
 715             if (tag.HasParam(wxT("NAME")))
 716             {
 717                 wxString tmp = tag.GetParam(wxT("NAME"));
 718                 wxHtmlImageMapCell *cel = new wxHtmlImageMapCell( tmp );
 719                 m_WParser->GetContainer()->InsertCell( cel );
 720             }
 721             ParseInner( tag );
 722             m_WParser->CloseContainer();
 723             m_WParser->OpenContainer();
 724         }
 725         if (tag.GetName() == wxT("AREA"))
 726         {
 727             if (tag.HasParam(wxT("SHAPE")))
 728             {
 729                 wxString tmp = tag.GetParam(wxT("SHAPE"));
 730                 wxString coords = wxEmptyString;
 731                 tmp.MakeUpper();
 732                 wxHtmlImageMapAreaCell *cel = NULL;
 733                 if (tag.HasParam(wxT("COORDS")))
 734                 {
 735                     coords = tag.GetParam(wxT("COORDS"));
 736                 }
 737                 if (tmp == wxT("POLY"))
 738                 {
 739                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::POLY, coords, m_WParser->GetPixelScale() );
 740                 }
 741                 else if (tmp == wxT("CIRCLE"))
 742                 {
 743                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::CIRCLE, coords, m_WParser->GetPixelScale() );
 744                 }
 745                 else if (tmp == wxT("RECT"))
 746                 {
 747                     cel = new wxHtmlImageMapAreaCell( wxHtmlImageMapAreaCell::RECT, coords, m_WParser->GetPixelScale() );
 748                 }
 749                 if (cel != NULL && tag.HasParam(wxT("HREF")))
 750                 {
 751                     wxString target;
 752                     if (tag.HasParam(wxT("TARGET")))
 753                         target = tag.GetParam(wxT("TARGET"));
 754                     cel->SetLink(wxHtmlLinkInfo(tag.GetParam(wxT("HREF")), target));
 755                 }
 756                 if (cel != NULL)
 757                     m_WParser->GetContainer()->InsertCell( cel );
 758             }
 759         }
 760
 761         return false;
 762     }
 763
 764 TAG_HANDLER_END(IMG)
 765
 766
 767
 768 TAGS_MODULE_BEGIN(Image)
 769
 770     TAGS_MODULE_ADD(IMG)
 771
 772 TAGS_MODULE_END(Image)
 773
 774
 775 #endif