src/gtk1/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/bitmap.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/bitmap.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/app.h"
  17     #include "wx/dcmemory.h"
  18     #include "wx/palette.h"
  19     #include "wx/icon.h"
  20     #include "wx/math.h"
  21     #include "wx/image.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/filefn.h"
  25
  26 #include <gdk/gdk.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkx.h>
  29
  30 #include <gdk/gdkrgb.h>
  31
  32 extern
  33 void gdk_wx_draw_bitmap (GdkDrawable  *drawable,
  34                          GdkGC        *gc,
  35                          GdkDrawable  *src,
  36                          gint          xsrc,
  37                          gint          ysrc,
  38                          gint          xdest,
  39                          gint          ydest,
  40                          gint          width,
  41                          gint          height);
  42
  43 //-----------------------------------------------------------------------------
  44 // data
  45 //-----------------------------------------------------------------------------
  46
  47 extern GtkWidget *wxGetRootWindow();
  48
  49 //-----------------------------------------------------------------------------
  50 // wxMask
  51 //-----------------------------------------------------------------------------
  52
  53 IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
  54
  55 wxMask::wxMask()
  56 {
  57     m_bitmap = (GdkBitmap *) NULL;
  58 }
  59
  60 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
  61 {
  62     m_bitmap = (GdkBitmap *) NULL;
  63     Create( bitmap, colour );
  64 }
  65
  66 #if wxUSE_PALETTE
  67 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
  68 {
  69     m_bitmap = (GdkBitmap *) NULL;
  70     Create( bitmap, paletteIndex );
  71 }
  72 #endif // wxUSE_PALETTE
  73
  74 wxMask::wxMask( const wxBitmap& bitmap )
  75 {
  76     m_bitmap = (GdkBitmap *) NULL;
  77     Create( bitmap );
  78 }
  79
  80 wxMask::~wxMask()
  81 {
  82     if (m_bitmap)
  83         gdk_bitmap_unref( m_bitmap );
  84 }
  85
  86 bool wxMask::Create( const wxBitmap& bitmap,
  87                      const wxColour& colour )
  88 {
  89     if (m_bitmap)
  90     {
  91         gdk_bitmap_unref( m_bitmap );
  92         m_bitmap = (GdkBitmap*) NULL;
  93     }
  94
  95     wxImage image = bitmap.ConvertToImage();
  96     if (!image.Ok()) return false;
  97
  98     m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
  99     GdkGC *gc = gdk_gc_new( m_bitmap );
 100
 101     GdkColor color;
 102     color.red = 65000;
 103     color.green = 65000;
 104     color.blue = 65000;
 105     color.pixel = 1;
 106     gdk_gc_set_foreground( gc, &color );
 107     gdk_gc_set_fill( gc, GDK_SOLID );
 108     gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
 109
 110     unsigned char *data = image.GetData();
 111     int index = 0;
 112
 113     unsigned char red = colour.Red();
 114     unsigned char green = colour.Green();
 115     unsigned char blue = colour.Blue();
 116
 117     GdkVisual *visual = wxTheApp->GetGdkVisual();
 118
 119     int bpp = visual->depth;
 120     if ((bpp == 16) && (visual->red_mask != 0xf800))
 121         bpp = 15;
 122     if (bpp == 15)
 123     {
 124         red = red & 0xf8;
 125         green = green & 0xf8;
 126         blue = blue & 0xf8;
 127     }
 128     else if (bpp == 16)
 129     {
 130         red = red & 0xf8;
 131         green = green & 0xfc;
 132         blue = blue & 0xf8;
 133     }
 134     else if (bpp == 12)
 135     {
 136         red = red & 0xf0;
 137         green = green & 0xf0;
 138         blue = blue & 0xf0;
 139     }
 140
 141     color.red = 0;
 142     color.green = 0;
 143     color.blue = 0;
 144     color.pixel = 0;
 145     gdk_gc_set_foreground( gc, &color );
 146
 147     for (int j = 0; j < image.GetHeight(); j++)
 148     {
 149         int start_x = -1;
 150         int i;
 151         for (i = 0; i < image.GetWidth(); i++)
 152         {
 153             if ((data[index] == red) &&
 154                 (data[index+1] == green) &&
 155                 (data[index+2] == blue))
 156             {
 157                 if (start_x == -1)
 158                 start_x = i;
 159             }
 160             else
 161             {
 162                 if (start_x != -1)
 163                 {
 164                     gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
 165                     start_x = -1;
 166                 }
 167             }
 168             index += 3;
 169         }
 170         if (start_x != -1)
 171             gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
 172     }
 173
 174     gdk_gc_unref( gc );
 175
 176     return true;
 177 }
 178
 179 #if wxUSE_PALETTE
 180 bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
 181 {
 182     unsigned char r,g,b;
 183     wxPalette *pal = bitmap.GetPalette();
 184
 185     wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
 186
 187     pal->GetRGB(paletteIndex, &r, &g, &b);
 188
 189     return Create(bitmap, wxColour(r, g, b));
 190 }
 191 #endif // wxUSE_PALETTE
 192
 193 bool wxMask::Create( const wxBitmap& bitmap )
 194 {
 195     if (m_bitmap)
 196     {
 197         gdk_bitmap_unref( m_bitmap );
 198         m_bitmap = (GdkBitmap*) NULL;
 199     }
 200
 201     if (!bitmap.Ok()) return false;
 202
 203     wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
 204
 205     m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
 206
 207     if (!m_bitmap) return false;
 208
 209     GdkGC *gc = gdk_gc_new( m_bitmap );
 210
 211     gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
 212
 213     gdk_gc_unref( gc );
 214
 215     return true;
 216 }
 217
 218 GdkBitmap *wxMask::GetBitmap() const
 219 {
 220     return m_bitmap;
 221 }
 222
 223 //-----------------------------------------------------------------------------
 224 // wxBitmap
 225 //-----------------------------------------------------------------------------
 226
 227 class wxBitmapRefData: public wxObjectRefData
 228 {
 229 public:
 230     wxBitmapRefData();
 231     wxBitmapRefData(const wxBitmapRefData& data);
 232     bool Create(int width, int height, int bpp);
 233     virtual ~wxBitmapRefData();
 234
 235     GdkPixmap      *m_pixmap;
 236     GdkBitmap      *m_bitmap;
 237     wxMask         *m_mask;
 238     int             m_width;
 239     int             m_height;
 240     int             m_bpp;
 241 #if wxUSE_PALETTE
 242     wxPalette      *m_palette;
 243 #endif // wxUSE_PALETTE
 244 };
 245
 246 wxBitmapRefData::wxBitmapRefData()
 247 {
 248     m_pixmap = (GdkPixmap *) NULL;
 249     m_bitmap = (GdkBitmap *) NULL;
 250     m_mask = (wxMask *) NULL;
 251     m_width = 0;
 252     m_height = 0;
 253     m_bpp = 0;
 254 #if wxUSE_PALETTE
 255     m_palette = (wxPalette *) NULL;
 256 #endif // wxUSE_PALETTE
 257 }
 258
 259 wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
 260 {
 261     Create(data.m_width, data.m_height, data.m_bpp);
 262
 263     m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL;
 264
 265 #if wxUSE_PALETTE
 266     wxASSERT_MSG( !data.m_palette,
 267                   _T("copying bitmaps palette not implemented") );
 268 #endif // wxUSE_PALETTE
 269
 270
 271     // copy the bitmap data by simply drawing the source bitmap on this one
 272     GdkPixmap **dst;
 273     if ( data.m_pixmap )
 274     {
 275         dst = &m_pixmap;
 276     }
 277     else if ( data.m_bitmap )
 278     {
 279         dst = &m_bitmap;
 280     }
 281     else // invalid bitmap?
 282     {
 283         return;
 284     }
 285
 286     GdkGC *gc = gdk_gc_new(*dst);
 287     if ( m_bpp == 1 )
 288     {
 289         gdk_wx_draw_bitmap(m_bitmap, gc, data.m_bitmap, 0, 0, 0, 0, -1, -1);
 290     }
 291     else // colour pixmap
 292     {
 293         gdk_draw_pixmap(m_pixmap, gc, data.m_pixmap, 0, 0, 0, 0, -1, -1);
 294     }
 295
 296     gdk_gc_unref(gc);
 297 }
 298
 299 bool wxBitmapRefData::Create(int width, int height, int bpp)
 300 {
 301     m_width = width;
 302     m_height = height;
 303     m_bpp = bpp;
 304
 305     m_mask = NULL;
 306 #if wxUSE_PALETTE
 307     m_palette = NULL;
 308 #endif
 309
 310     // to understand how this compiles you should know that GdkPixmap and
 311     // GdkBitmap are one and the same type in GTK+ 1
 312     GdkPixmap **ppix;
 313     if ( m_bpp != 1 )
 314     {
 315         const GdkVisual * const visual = wxTheApp->GetGdkVisual();
 316
 317         wxCHECK_MSG( (bpp == -1) || (bpp == visual->depth) || (bpp == 32), false,
 318                         wxT("invalid bitmap depth") );
 319
 320         m_bpp = visual->depth;
 321
 322         ppix = &m_pixmap;
 323         m_bitmap = NULL;
 324     }
 325     else // mono bitmap
 326     {
 327         ppix = &m_bitmap;
 328         m_pixmap = NULL;
 329     }
 330
 331     *ppix = gdk_pixmap_new( wxGetRootWindow()->window, width, height, m_bpp );
 332
 333     return *ppix != NULL;
 334 }
 335
 336 wxBitmapRefData::~wxBitmapRefData()
 337 {
 338     if (m_pixmap)
 339         gdk_pixmap_unref( m_pixmap );
 340     if (m_bitmap)
 341         gdk_bitmap_unref( m_bitmap );
 342     delete m_mask;
 343 #if wxUSE_PALETTE
 344     delete m_palette;
 345 #endif // wxUSE_PALETTE
 346 }
 347
 348 //-----------------------------------------------------------------------------
 349
 350 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 351
 352 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 353
 354 wxBitmap::wxBitmap()
 355 {
 356 }
 357
 358 wxBitmap::wxBitmap( int width, int height, int depth )
 359 {
 360     Create( width, height, depth );
 361 }
 362
 363 wxObjectRefData *wxBitmap::CreateRefData() const
 364 {
 365     return new wxBitmapRefData;
 366 }
 367
 368 wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const
 369 {
 370     return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
 371 }
 372
 373 bool wxBitmap::Create( int width, int height, int depth )
 374 {
 375     UnRef();
 376
 377     if ( width <= 0 || height <= 0 )
 378     {
 379         return false;
 380     }
 381
 382     m_refData = new wxBitmapRefData();
 383     return M_BMPDATA->Create(width, height, depth);
 384 }
 385
 386 wxBitmap::wxBitmap(const char* const* bits)
 387 {
 388     wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
 389
 390     GdkVisual *visual = wxTheApp->GetGdkVisual();
 391
 392     m_refData = new wxBitmapRefData();
 393
 394     GdkBitmap *mask = (GdkBitmap*) NULL;
 395
 396     M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
 397
 398     wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap"));
 399
 400     if (mask)
 401     {
 402         M_BMPDATA->m_mask = new wxMask();
 403         M_BMPDATA->m_mask->m_bitmap = mask;
 404     }
 405
 406     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 407
 408     M_BMPDATA->m_bpp = visual->depth;  // Can we get a different depth from create_from_xpm_d() ?
 409 }
 410
 411 wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
 412 {
 413     wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
 414
 415     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
 416         return *this;
 417
 418     int width = wxMax(newx, 1);
 419     int height = wxMax(newy, 1);
 420     width = wxMin(width, clipwidth);
 421     height = wxMin(height, clipheight);
 422
 423     wxBitmap bmp;
 424
 425     GdkImage *img = (GdkImage*) NULL;
 426     if (GetPixmap())
 427         img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
 428     else if (GetBitmap())
 429         img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
 430     else
 431         wxFAIL_MSG( wxT("Ill-formed bitmap") );
 432
 433     wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
 434
 435     int bpp = -1;
 436
 437
 438     GdkGC *gc = NULL;
 439     GdkPixmap *dstpix = NULL;
 440     if (GetPixmap())
 441     {
 442         GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
 443         if (visual == NULL)
 444             visual = wxTheApp->GetGdkVisual();
 445
 446         bpp = visual->depth;
 447         bmp = wxBitmap(width,height,bpp);
 448         dstpix = bmp.GetPixmap();
 449         gc = gdk_gc_new( dstpix );
 450     }
 451
 452     char *dst = NULL;
 453     long dstbyteperline = 0;
 454
 455     if (GetBitmap())
 456     {
 457         bpp = 1;
 458         dstbyteperline = width/8*M_BMPDATA->m_bpp;
 459         if (width*M_BMPDATA->m_bpp % 8 != 0)
 460             dstbyteperline++;
 461         dst = (char*) malloc(dstbyteperline*height);
 462     }
 463
 464     // be careful to use the right scaling factor
 465     float scx = (float)M_BMPDATA->m_width/(float)newx;
 466     float scy = (float)M_BMPDATA->m_height/(float)newy;
 467     // prepare accel-tables
 468     int *tablex = (int *)calloc(width,sizeof(int));
 469     int *tabley = (int *)calloc(height,sizeof(int));
 470
 471     // accel table filled with clipped values
 472     for (int x = 0; x < width; x++)
 473         tablex[x] = (int) (scx * (x+clipx));
 474     for (int y = 0; y < height; y++)
 475         tabley[y] = (int) (scy * (y+clipy));
 476
 477     // Main rescaling routine starts here
 478     for (int h = 0; h < height; h++)
 479     {
 480         char outbyte = 0;
 481         int old_x = -1;
 482         guint32 old_pixval = 0;
 483
 484         for (int w = 0; w < width; w++)
 485         {
 486             guint32 pixval;
 487             int x = tablex[w];
 488             if (x == old_x)
 489                 pixval = old_pixval;
 490             else
 491             {
 492                 pixval = gdk_image_get_pixel( img, x, tabley[h] );
 493                 old_pixval = pixval;
 494                 old_x = x;
 495             }
 496
 497             if (bpp == 1)
 498             {
 499                 if (!pixval)
 500                 {
 501                     char bit=1;
 502                     char shift = bit << (w % 8);
 503                     outbyte |= shift;
 504                 }
 505
 506                 if ((w+1)%8==0)
 507                 {
 508                     dst[h*dstbyteperline+w/8] = outbyte;
 509                     outbyte = 0;
 510                 }
 511             }
 512             else
 513             {
 514                 GdkColor col;
 515                 col.pixel = pixval;
 516                 gdk_gc_set_foreground( gc, &col );
 517                 gdk_draw_point( dstpix, gc, w, h);
 518             }
 519         }
 520
 521         // do not forget the last byte
 522         if ((bpp == 1) && (width % 8 != 0))
 523             dst[h*dstbyteperline+width/8] = outbyte;
 524     }
 525
 526     gdk_image_destroy( img );
 527     if (gc) gdk_gc_unref( gc );
 528
 529     if (bpp == 1)
 530     {
 531         bmp = wxBitmap( (const char *)dst, width, height, 1 );
 532         free( dst );
 533     }
 534
 535     if (GetMask())
 536     {
 537         dstbyteperline = width/8;
 538         if (width % 8 != 0)
 539             dstbyteperline++;
 540         dst = (char*) malloc(dstbyteperline*height);
 541         img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
 542
 543         for (int h = 0; h < height; h++)
 544         {
 545             char outbyte = 0;
 546             int old_x = -1;
 547             guint32 old_pixval = 0;
 548
 549             for (int w = 0; w < width; w++)
 550             {
 551                 guint32 pixval;
 552                 int x = tablex[w];
 553                 if (x == old_x)
 554                     pixval = old_pixval;
 555                 else
 556                 {
 557                     pixval = gdk_image_get_pixel( img, x, tabley[h] );
 558                     old_pixval = pixval;
 559                     old_x = x;
 560                 }
 561
 562                 if (pixval)
 563                 {
 564                     char bit=1;
 565                     char shift = bit << (w % 8);
 566                     outbyte |= shift;
 567                 }
 568
 569                 if ((w+1)%8 == 0)
 570                 {
 571                     dst[h*dstbyteperline+w/8] = outbyte;
 572                     outbyte = 0;
 573                 }
 574             }
 575
 576             // do not forget the last byte
 577             if (width % 8 != 0)
 578                 dst[h*dstbyteperline+width/8] = outbyte;
 579         }
 580         wxMask* mask = new wxMask;
 581         mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
 582         bmp.SetMask(mask);
 583
 584         free( dst );
 585         gdk_image_destroy( img );
 586     }
 587
 588     free( tablex );
 589     free( tabley );
 590
 591     return bmp;
 592 }
 593
 594 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 595 {
 596     UnRef();
 597
 598     wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
 599     wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") );
 600
 601     if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
 602         return false;
 603
 604     m_refData = new wxBitmapRefData();
 605
 606     if (depth == 1)
 607     {
 608         return CreateFromImageAsBitmap(image);
 609     }
 610     else
 611     {
 612         return CreateFromImageAsPixmap(image);
 613     }
 614 }
 615
 616 // conversion to mono bitmap:
 617 bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
 618 {
 619     // convert alpha channel to mask, if it is present:
 620     wxImage image(img);
 621     image.ConvertAlphaToMask();
 622
 623     int width = image.GetWidth();
 624     int height = image.GetHeight();
 625
 626     SetHeight( height );
 627     SetWidth( width );
 628
 629     SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
 630
 631     SetDepth( 1 );
 632
 633     GdkVisual *visual = wxTheApp->GetGdkVisual();
 634
 635     // Create picture image
 636
 637     unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 638
 639     GdkImage *data_image =
 640         gdk_image_new_bitmap( visual, data_data, width, height );
 641
 642     // Create mask image
 643
 644     GdkImage *mask_image = (GdkImage*) NULL;
 645
 646     if (image.HasMask())
 647     {
 648         unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 649
 650         mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
 651
 652         wxMask *mask = new wxMask();
 653         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
 654
 655         SetMask( mask );
 656     }
 657
 658     int r_mask = image.GetMaskRed();
 659     int g_mask = image.GetMaskGreen();
 660     int b_mask = image.GetMaskBlue();
 661
 662     unsigned char* data = image.GetData();
 663
 664     int index = 0;
 665     for (int y = 0; y < height; y++)
 666     {
 667         for (int x = 0; x < width; x++)
 668         {
 669             int r = data[index];
 670             index++;
 671             int g = data[index];
 672             index++;
 673             int b = data[index];
 674             index++;
 675
 676             if (image.HasMask())
 677             {
 678                 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 679                     gdk_image_put_pixel( mask_image, x, y, 1 );
 680                 else
 681                     gdk_image_put_pixel( mask_image, x, y, 0 );
 682             }
 683
 684             if ((r == 255) && (b == 255) && (g == 255))
 685                 gdk_image_put_pixel( data_image, x, y, 1 );
 686             else
 687                 gdk_image_put_pixel( data_image, x, y, 0 );
 688
 689         } // for
 690     }  // for
 691
 692     // Blit picture
 693
 694     GdkGC *data_gc = gdk_gc_new( GetBitmap() );
 695
 696     gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
 697
 698     gdk_image_destroy( data_image );
 699     gdk_gc_unref( data_gc );
 700
 701     // Blit mask
 702
 703     if (image.HasMask())
 704     {
 705         GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
 706
 707         gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
 708
 709         gdk_image_destroy( mask_image );
 710         gdk_gc_unref( mask_gc );
 711     }
 712
 713     return true;
 714 }
 715
 716 // conversion to colour bitmap:
 717 bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
 718 {
 719     // convert alpha channel to mask, if it is present:
 720     wxImage image(img);
 721     image.ConvertAlphaToMask();
 722
 723     int width = image.GetWidth();
 724     int height = image.GetHeight();
 725
 726     SetHeight( height );
 727     SetWidth( width );
 728
 729     SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
 730
 731     GdkVisual *visual = wxTheApp->GetGdkVisual();
 732
 733     int bpp = visual->depth;
 734
 735     SetDepth( bpp );
 736
 737     if ((bpp == 16) && (visual->red_mask != 0xf800))
 738         bpp = 15;
 739     else if (bpp < 8)
 740         bpp = 8;
 741
 742     // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
 743     // visuals are not supported by GDK so we do these ourselves, too.
 744     // 15-bit and 16-bit should actually work and 24-bit certainly does.
 745 #ifdef __sgi
 746     if (!image.HasMask() && (bpp > 16))
 747 #else
 748     if (!image.HasMask() && (bpp > 12))
 749 #endif
 750     {
 751         static bool s_hasInitialized = false;
 752
 753         if (!s_hasInitialized)
 754         {
 755             gdk_rgb_init();
 756             s_hasInitialized = true;
 757         }
 758
 759         GdkGC *gc = gdk_gc_new( GetPixmap() );
 760
 761         gdk_draw_rgb_image( GetPixmap(),
 762                             gc,
 763                             0, 0,
 764                             width, height,
 765                             GDK_RGB_DITHER_NONE,
 766                             image.GetData(),
 767                             width*3 );
 768
 769         gdk_gc_unref( gc );
 770         return true;
 771     }
 772
 773     // Create picture image
 774
 775     GdkImage *data_image =
 776         gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
 777
 778     // Create mask image
 779
 780     GdkImage *mask_image = (GdkImage*) NULL;
 781
 782     if (image.HasMask())
 783     {
 784         unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 785
 786         mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
 787
 788         wxMask *mask = new wxMask();
 789         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
 790
 791         SetMask( mask );
 792     }
 793
 794     // Render
 795
 796     enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
 797     byte_order b_o = RGB;
 798
 799     if (bpp > 8)
 800     {
 801         if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
 802         else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RBG;
 803         else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
 804         else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
 805         else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
 806         else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
 807     }
 808
 809     int r_mask = image.GetMaskRed();
 810     int g_mask = image.GetMaskGreen();
 811     int b_mask = image.GetMaskBlue();
 812
 813     unsigned char* data = image.GetData();
 814
 815     int index = 0;
 816     for (int y = 0; y < height; y++)
 817     {
 818         for (int x = 0; x < width; x++)
 819         {
 820             int r = data[index];
 821             index++;
 822             int g = data[index];
 823             index++;
 824             int b = data[index];
 825             index++;
 826
 827             if (image.HasMask())
 828             {
 829                 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 830                     gdk_image_put_pixel( mask_image, x, y, 1 );
 831                 else
 832                     gdk_image_put_pixel( mask_image, x, y, 0 );
 833             }
 834
 835             switch (bpp)
 836             {
 837                 case 8:
 838                 {
 839                     int pixel = -1;
 840                     if (wxTheApp->m_colorCube)
 841                     {
 842                         pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
 843                     }
 844                     else
 845                     {
 846                         GdkColormap *cmap = gtk_widget_get_default_colormap();
 847                         GdkColor *colors = cmap->colors;
 848                         int max = 3 * (65536);
 849
 850                         for (int i = 0; i < cmap->size; i++)
 851                         {
 852                             int rdiff = (r << 8) - colors[i].red;
 853                             int gdiff = (g << 8) - colors[i].green;
 854                             int bdiff = (b << 8) - colors[i].blue;
 855                             int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
 856                             if (sum < max) { pixel = i; max = sum; }
 857                         }
 858                     }
 859
 860                     gdk_image_put_pixel( data_image, x, y, pixel );
 861
 862                     break;
 863                 }
 864                 case 12:  // SGI only
 865                 {
 866                     guint32 pixel = 0;
 867                     switch (b_o)
 868                     {
 869                         case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
 870                         case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
 871                         case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
 872                         case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
 873                         case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
 874                         case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
 875                     }
 876                     gdk_image_put_pixel( data_image, x, y, pixel );
 877                     break;
 878                 }
 879                 case 15:
 880                 {
 881                     guint32 pixel = 0;
 882                     switch (b_o)
 883                     {
 884                         case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 885                         case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 886                         case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 887                         case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 888                         case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 889                         case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 890                     }
 891                     gdk_image_put_pixel( data_image, x, y, pixel );
 892                     break;
 893                 }
 894                 case 16:
 895                 {
 896                     // I actually don't know if for 16-bit displays, it is alway the green
 897                     // component or the second component which has 6 bits.
 898                     guint32 pixel = 0;
 899                     switch (b_o)
 900                     {
 901                         case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 902                         case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 903                         case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 904                         case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 905                         case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 906                         case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 907                     }
 908                     gdk_image_put_pixel( data_image, x, y, pixel );
 909                     break;
 910                 }
 911                 case 32:
 912                 case 24:
 913                 {
 914                     guint32 pixel = 0;
 915                     switch (b_o)
 916                     {
 917                         case RGB: pixel = (r << 16) | (g << 8) | b; break;
 918                         case RBG: pixel = (r << 16) | (b << 8) | g; break;
 919                         case BRG: pixel = (b << 16) | (r << 8) | g; break;
 920                         case BGR: pixel = (b << 16) | (g << 8) | r; break;
 921                         case GRB: pixel = (g << 16) | (r << 8) | b; break;
 922                         case GBR: pixel = (g << 16) | (b << 8) | r; break;
 923                     }
 924                     gdk_image_put_pixel( data_image, x, y, pixel );
 925                     break;
 926                 }
 927                 default: break;
 928             }
 929         } // for
 930     }  // for
 931
 932     // Blit picture
 933
 934     GdkGC *data_gc = gdk_gc_new( GetPixmap() );
 935
 936     gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
 937
 938     gdk_image_destroy( data_image );
 939     gdk_gc_unref( data_gc );
 940
 941     // Blit mask
 942
 943     if (image.HasMask())
 944     {
 945         GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
 946
 947         gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
 948
 949         gdk_image_destroy( mask_image );
 950         gdk_gc_unref( mask_gc );
 951     }
 952
 953     return true;
 954 }
 955
 956 wxImage wxBitmap::ConvertToImage() const
 957 {
 958     wxImage image;
 959
 960     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 961
 962     image.Create(GetWidth(), GetHeight());
 963     unsigned char *data = image.GetData();
 964
 965     if (!data)
 966     {
 967         wxFAIL_MSG( wxT("couldn't create image") );
 968         return wxNullImage;
 969     }
 970
 971     // the colour used as transparent one in wxImage and the one it is
 972     // replaced with when it really occurs in the bitmap
 973     static const int MASK_RED = 1;
 974     static const int MASK_GREEN = 2;
 975     static const int MASK_BLUE = 3;
 976     static const int MASK_BLUE_REPLACEMENT = 2;
 977
 978     GdkImage *gdk_image = (GdkImage*) NULL;
 979
 980     if (HasPixmap())
 981     {
 982         gdk_image = gdk_image_get( GetPixmap(),
 983                                     0, 0,
 984                                     GetWidth(), GetHeight() );
 985     }
 986     else if (GetBitmap())
 987     {
 988         gdk_image = gdk_image_get( GetBitmap(),
 989                                     0, 0,
 990                                     GetWidth(), GetHeight() );
 991     }
 992     else
 993     {
 994         wxFAIL_MSG( wxT("Ill-formed bitmap") );
 995     }
 996
 997     wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
 998
 999     GdkImage *gdk_image_mask = (GdkImage*) NULL;
1000     if (GetMask())
1001     {
1002         gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
1003                                         0, 0,
1004                                         GetWidth(), GetHeight() );
1005
1006         image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
1007     }
1008
1009     int bpp = -1;
1010     int red_shift_right = 0;
1011     int green_shift_right = 0;
1012     int blue_shift_right = 0;
1013     int red_shift_left = 0;
1014     int green_shift_left = 0;
1015     int blue_shift_left = 0;
1016     bool use_shift = false;
1017
1018     if (GetPixmap())
1019     {
1020         GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
1021         if (visual == NULL)
1022             visual = wxTheApp->GetGdkVisual();
1023
1024         bpp = visual->depth;
1025         if (bpp == 16)
1026             bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
1027         red_shift_right = visual->red_shift;
1028         red_shift_left = 8-visual->red_prec;
1029         green_shift_right = visual->green_shift;
1030         green_shift_left = 8-visual->green_prec;
1031         blue_shift_right = visual->blue_shift;
1032         blue_shift_left = 8-visual->blue_prec;
1033
1034         use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
1035     }
1036     if (GetBitmap())
1037     {
1038         bpp = 1;
1039     }
1040
1041
1042     GdkColormap *cmap = gtk_widget_get_default_colormap();
1043
1044     long pos = 0;
1045     for (int j = 0; j < GetHeight(); j++)
1046     {
1047         for (int i = 0; i < GetWidth(); i++)
1048         {
1049             wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
1050             if (bpp == 1)
1051             {
1052                 if (pixel == 0)
1053                 {
1054                     data[pos]   = 0;
1055                     data[pos+1] = 0;
1056                     data[pos+2] = 0;
1057                 }
1058                 else
1059                 {
1060                     data[pos]   = 255;
1061                     data[pos+1] = 255;
1062                     data[pos+2] = 255;
1063                 }
1064             }
1065             else if (use_shift)
1066             {
1067                 data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
1068                 data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
1069                 data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;
1070             }
1071             else if (cmap->colors)
1072             {
1073                 data[pos] =   cmap->colors[pixel].red   >> 8;
1074                 data[pos+1] = cmap->colors[pixel].green >> 8;
1075                 data[pos+2] = cmap->colors[pixel].blue  >> 8;
1076             }
1077             else
1078             {
1079                 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
1080             }
1081
1082             if (gdk_image_mask)
1083             {
1084                 int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
1085                 if (mask_pixel == 0)
1086                 {
1087                     data[pos] = MASK_RED;
1088                     data[pos+1] = MASK_GREEN;
1089                     data[pos+2] = MASK_BLUE;
1090                 }
1091                 else if ( data[pos] == MASK_RED &&
1092                             data[pos+1] == MASK_GREEN &&
1093                                 data[pos+2] == MASK_BLUE )
1094                 {
1095                     data[pos+2] = MASK_BLUE_REPLACEMENT;
1096                 }
1097             }
1098
1099             pos += 3;
1100         }
1101     }
1102
1103     gdk_image_destroy( gdk_image );
1104     if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
1105
1106     return image;
1107 }
1108
1109 wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
1110 {
1111     LoadFile( filename, type );
1112 }
1113
1114 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
1115 {
1116     if ( width > 0 && height > 0 )
1117     {
1118         m_refData = new wxBitmapRefData();
1119
1120         M_BMPDATA->m_mask = (wxMask *) NULL;
1121         M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
1122                               (
1123                                 wxGetRootWindow()->window,
1124                                 (gchar *) bits,
1125                                 width,
1126                                 height
1127                               );
1128         M_BMPDATA->m_width = width;
1129         M_BMPDATA->m_height = height;
1130         M_BMPDATA->m_bpp = 1;
1131
1132         wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
1133     }
1134 }
1135
1136 wxBitmap::~wxBitmap()
1137 {
1138 }
1139
1140 bool wxBitmap::IsOk() const
1141 {
1142     return (m_refData != NULL) &&
1143            (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap);
1144 }
1145
1146 int wxBitmap::GetHeight() const
1147 {
1148     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1149
1150     return M_BMPDATA->m_height;
1151 }
1152
1153 int wxBitmap::GetWidth() const
1154 {
1155     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1156
1157     return M_BMPDATA->m_width;
1158 }
1159
1160 int wxBitmap::GetDepth() const
1161 {
1162     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1163
1164     return M_BMPDATA->m_bpp;
1165 }
1166
1167 wxMask *wxBitmap::GetMask() const
1168 {
1169     wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
1170
1171     return M_BMPDATA->m_mask;
1172 }
1173
1174 void wxBitmap::SetMask( wxMask *mask )
1175 {
1176     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
1177
1178     AllocExclusive();
1179     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
1180
1181     M_BMPDATA->m_mask = mask;
1182 }
1183
1184 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
1185 {
1186     *this = icon;
1187     return true;
1188 }
1189
1190 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
1191 {
1192     wxCHECK_MSG( Ok() &&
1193                  (rect.x >= 0) && (rect.y >= 0) &&
1194                  (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
1195                  wxNullBitmap, wxT("invalid bitmap or bitmap region") );
1196
1197     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
1198     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
1199
1200     if (ret.GetPixmap())
1201     {
1202         GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
1203         gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
1204         gdk_gc_destroy( gc );
1205     }
1206     else
1207     {
1208         GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
1209         GdkColor col;
1210         col.pixel = 0xFFFFFF;
1211         gdk_gc_set_foreground( gc, &col );
1212         col.pixel = 0;
1213         gdk_gc_set_background( gc, &col );
1214         gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
1215         gdk_gc_destroy( gc );
1216     }
1217
1218     if (GetMask())
1219     {
1220         wxMask *mask = new wxMask;
1221         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
1222
1223         GdkGC *gc = gdk_gc_new( mask->m_bitmap );
1224         GdkColor col;
1225         col.pixel = 0xFFFFFF;
1226         gdk_gc_set_foreground( gc, &col );
1227         col.pixel = 0;
1228         gdk_gc_set_background( gc, &col );
1229         gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height );
1230         gdk_gc_destroy( gc );
1231
1232         ret.SetMask( mask );
1233     }
1234
1235     return ret;
1236 }
1237
1238 bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
1239 {
1240     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1241
1242     // Try to save the bitmap via wxImage handlers:
1243     {
1244         wxImage image = ConvertToImage();
1245         if (image.Ok()) return image.SaveFile( name, type );
1246     }
1247
1248     return false;
1249 }
1250
1251 bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1252 {
1253     UnRef();
1254
1255     if (!wxFileExists(name))
1256         return false;
1257
1258     GdkVisual *visual = wxTheApp->GetGdkVisual();
1259
1260     if (type == wxBITMAP_TYPE_XPM)
1261     {
1262         m_refData = new wxBitmapRefData();
1263
1264         GdkBitmap *mask = (GdkBitmap*) NULL;
1265
1266         M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
1267                               (
1268                                 wxGetRootWindow()->window,
1269                                 &mask,
1270                                 NULL,
1271                                 name.fn_str()
1272                               );
1273
1274         if (mask)
1275         {
1276            M_BMPDATA->m_mask = new wxMask();
1277            M_BMPDATA->m_mask->m_bitmap = mask;
1278         }
1279
1280         gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
1281
1282         M_BMPDATA->m_bpp = visual->depth;
1283     }
1284     else // try if wxImage can load it
1285     {
1286         wxImage image;
1287         if ( !image.LoadFile( name, type ) || !image.Ok() )
1288             return false;
1289
1290         *this = wxBitmap(image);
1291     }
1292
1293     return true;
1294 }
1295
1296 #if wxUSE_PALETTE
1297 wxPalette *wxBitmap::GetPalette() const
1298 {
1299     if (!Ok())
1300         return (wxPalette *) NULL;
1301
1302     return M_BMPDATA->m_palette;
1303 }
1304
1305 void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
1306 {
1307     // TODO
1308 }
1309 #endif // wxUSE_PALETTE
1310
1311 void wxBitmap::SetHeight( int height )
1312 {
1313     AllocExclusive();
1314     M_BMPDATA->m_height = height;
1315 }
1316
1317 void wxBitmap::SetWidth( int width )
1318 {
1319     AllocExclusive();
1320     M_BMPDATA->m_width = width;
1321 }
1322
1323 void wxBitmap::SetDepth( int depth )
1324 {
1325     AllocExclusive();
1326     M_BMPDATA->m_bpp = depth;
1327 }
1328
1329 void wxBitmap::SetPixmap( GdkPixmap *pixmap )
1330 {
1331     if (!m_refData)
1332         m_refData = new wxBitmapRefData();
1333
1334     M_BMPDATA->m_pixmap = pixmap;
1335 }
1336
1337 void wxBitmap::SetBitmap( GdkPixmap *bitmap )
1338 {
1339     if (!m_refData)
1340         m_refData = new wxBitmapRefData();
1341
1342     M_BMPDATA->m_bitmap = bitmap;
1343 }
1344
1345 GdkPixmap *wxBitmap::GetPixmap() const
1346 {
1347     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
1348
1349     return M_BMPDATA->m_pixmap;
1350 }
1351
1352 bool wxBitmap::HasPixmap() const
1353 {
1354     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1355
1356     return M_BMPDATA->m_pixmap != NULL;
1357 }
1358
1359 GdkBitmap *wxBitmap::GetBitmap() const
1360 {
1361     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
1362
1363     return M_BMPDATA->m_bitmap;
1364 }
1365
1366 void *wxBitmap::GetRawData(wxPixelDataBase& WXUNUSED(data), int WXUNUSED(bpp))
1367 {
1368     return NULL;
1369 }
1370
1371 void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
1372 {
1373 }
1374
1375 bool wxBitmap::HasAlpha() const
1376 {
1377     return false;
1378 }
1379
1380 //-----------------------------------------------------------------------------
1381 // wxBitmapHandler
1382 //-----------------------------------------------------------------------------
1383
1384 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
1385
1386 /* static */ void wxBitmap::InitStandardHandlers()
1387 {
1388     // TODO: Insert handler based on GdkPixbufs handler later
1389 }