src/gtk/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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 #endif
  22
  23 #include "wx/filefn.h"
  24 #include "wx/image.h"
  25
  26 #include "wx/rawbmp.h"
  27     // need this to get gdk_image_new_bitmap()
  28     #define GDK_ENABLE_BROKEN
  29
  30 #include <gdk/gdk.h>
  31 #include <gtk/gtk.h>
  32 #include <gdk/gdkx.h>
  33
  34 #include <gdk/gdkimage.h>
  35
  36 extern void gdk_wx_draw_bitmap     (GdkDrawable  *drawable,
  37                           GdkGC               *gc,
  38                           GdkDrawable  *src,
  39                           gint                xsrc,
  40                           gint                ysrc,
  41                           gint                xdest,
  42                           gint                ydest,
  43                           gint                width,
  44                           gint                height);
  45
  46 //-----------------------------------------------------------------------------
  47 // data
  48 //-----------------------------------------------------------------------------
  49
  50 extern GtkWidget *wxGetRootWindow();
  51
  52 //-----------------------------------------------------------------------------
  53 // wxMask
  54 //-----------------------------------------------------------------------------
  55
  56 IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
  57
  58 wxMask::wxMask()
  59 {
  60     m_bitmap = (GdkBitmap *) NULL;
  61 }
  62
  63 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
  64 {
  65     m_bitmap = (GdkBitmap *) NULL;
  66     Create( bitmap, colour );
  67 }
  68
  69 #if wxUSE_PALETTE
  70 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
  71 {
  72     m_bitmap = (GdkBitmap *) NULL;
  73     Create( bitmap, paletteIndex );
  74 }
  75 #endif // wxUSE_PALETTE
  76
  77 wxMask::wxMask( const wxBitmap& bitmap )
  78 {
  79     m_bitmap = (GdkBitmap *) NULL;
  80     Create( bitmap );
  81 }
  82
  83 wxMask::~wxMask()
  84 {
  85     if (m_bitmap)
  86         g_object_unref (m_bitmap);
  87 }
  88
  89 bool wxMask::Create( const wxBitmap& bitmap,
  90                      const wxColour& colour )
  91 {
  92     if (m_bitmap)
  93     {
  94         g_object_unref (m_bitmap);
  95         m_bitmap = (GdkBitmap*) NULL;
  96     }
  97
  98     wxImage image = bitmap.ConvertToImage();
  99     if (!image.Ok()) return false;
 100
 101     m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
 102     GdkGC *gc = gdk_gc_new( m_bitmap );
 103
 104     GdkColor color;
 105     color.red = 65000;
 106     color.green = 65000;
 107     color.blue = 65000;
 108     color.pixel = 1;
 109     gdk_gc_set_foreground( gc, &color );
 110     gdk_gc_set_fill( gc, GDK_SOLID );
 111     gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
 112
 113     unsigned char *data = image.GetData();
 114     int index = 0;
 115
 116     unsigned char red = colour.Red();
 117     unsigned char green = colour.Green();
 118     unsigned char blue = colour.Blue();
 119
 120     GdkVisual *visual = wxTheApp->GetGdkVisual();
 121
 122     int bpp = visual->depth;
 123     if ((bpp == 16) && (visual->red_mask != 0xf800))
 124         bpp = 15;
 125     if (bpp == 15)
 126     {
 127         red = red & 0xf8;
 128         green = green & 0xf8;
 129         blue = blue & 0xf8;
 130     }
 131     else if (bpp == 16)
 132     {
 133         red = red & 0xf8;
 134         green = green & 0xfc;
 135         blue = blue & 0xf8;
 136     }
 137     else if (bpp == 12)
 138     {
 139         red = red & 0xf0;
 140         green = green & 0xf0;
 141         blue = blue & 0xf0;
 142     }
 143
 144     color.red = 0;
 145     color.green = 0;
 146     color.blue = 0;
 147     color.pixel = 0;
 148     gdk_gc_set_foreground( gc, &color );
 149
 150     for (int j = 0; j < image.GetHeight(); j++)
 151     {
 152         int start_x = -1;
 153         int i;
 154         for (i = 0; i < image.GetWidth(); i++)
 155         {
 156             if ((data[index] == red) &&
 157                 (data[index+1] == green) &&
 158                 (data[index+2] == blue))
 159             {
 160                 if (start_x == -1)
 161                 start_x = i;
 162             }
 163             else
 164             {
 165                 if (start_x != -1)
 166                 {
 167                     gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
 168                     start_x = -1;
 169                 }
 170             }
 171             index += 3;
 172         }
 173         if (start_x != -1)
 174             gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
 175     }
 176
 177     g_object_unref (gc);
 178
 179     return true;
 180 }
 181
 182 #if wxUSE_PALETTE
 183 bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
 184 {
 185     unsigned char r,g,b;
 186     wxPalette *pal = bitmap.GetPalette();
 187
 188     wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
 189
 190     pal->GetRGB(paletteIndex, &r, &g, &b);
 191
 192     return Create(bitmap, wxColour(r, g, b));
 193 }
 194 #endif // wxUSE_PALETTE
 195
 196 bool wxMask::Create( const wxBitmap& bitmap )
 197 {
 198     if (m_bitmap)
 199     {
 200         g_object_unref (m_bitmap);
 201         m_bitmap = (GdkBitmap*) NULL;
 202     }
 203
 204     if (!bitmap.Ok()) return false;
 205
 206     wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
 207
 208     m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
 209
 210     if (!m_bitmap) return false;
 211
 212     GdkGC *gc = gdk_gc_new( m_bitmap );
 213
 214     gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
 215
 216     g_object_unref (gc);
 217
 218     return true;
 219 }
 220
 221 GdkBitmap *wxMask::GetBitmap() const
 222 {
 223     return m_bitmap;
 224 }
 225
 226 //-----------------------------------------------------------------------------
 227 // wxBitmap
 228 //-----------------------------------------------------------------------------
 229
 230 class wxBitmapRefData: public wxObjectRefData
 231 {
 232 public:
 233     wxBitmapRefData();
 234     ~wxBitmapRefData();
 235
 236     GdkPixmap      *m_pixmap;
 237     GdkBitmap      *m_bitmap;
 238     GdkPixbuf      *m_pixbuf;
 239     wxMask         *m_mask;
 240     int             m_width;
 241     int             m_height;
 242     int             m_bpp;
 243     wxPalette      *m_palette;
 244 };
 245
 246 wxBitmapRefData::wxBitmapRefData()
 247 {
 248     m_pixmap = (GdkPixmap *) NULL;
 249     m_bitmap = (GdkBitmap *) NULL;
 250     m_pixbuf = (GdkPixbuf *) NULL;
 251     m_mask = (wxMask *) NULL;
 252     m_width = 0;
 253     m_height = 0;
 254     m_bpp = 0;
 255     m_palette = (wxPalette *) NULL;
 256 }
 257
 258 wxBitmapRefData::~wxBitmapRefData()
 259 {
 260     if (m_pixmap)
 261         g_object_unref (m_pixmap);
 262     if (m_bitmap)
 263         g_object_unref (m_bitmap);
 264     if (m_pixbuf)
 265         g_object_unref (m_pixbuf);
 266     delete m_mask;
 267 #if wxUSE_PALETTE
 268     delete m_palette;
 269 #endif // wxUSE_PALETTE
 270 }
 271
 272 //-----------------------------------------------------------------------------
 273
 274 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 275
 276 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 277
 278 wxBitmap::wxBitmap()
 279 {
 280 }
 281
 282 wxBitmap::wxBitmap( int width, int height, int depth )
 283 {
 284     Create( width, height, depth );
 285 }
 286
 287 bool wxBitmap::Create( int width, int height, int depth )
 288 {
 289     UnRef();
 290
 291     if ( width <= 0 || height <= 0 )
 292     {
 293         return false;
 294     }
 295
 296     GdkVisual *visual = wxTheApp->GetGdkVisual();
 297
 298     if (depth == -1)
 299         depth = visual->depth;
 300
 301     wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false,
 302                     wxT("invalid bitmap depth") );
 303
 304     m_refData = new wxBitmapRefData();
 305     M_BMPDATA->m_mask = (wxMask *) NULL;
 306     M_BMPDATA->m_width = width;
 307     M_BMPDATA->m_height = height;
 308     if (depth == 1)
 309     {
 310         M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
 311         M_BMPDATA->m_bpp = 1;
 312     }
 313     else if (depth == 32)
 314     {
 315         M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true,
 316                                               8, width, height);
 317         M_BMPDATA->m_bpp = 32;
 318     }
 319     else
 320     {
 321         M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
 322         M_BMPDATA->m_bpp = visual->depth;
 323     }
 324
 325     return Ok();
 326 }
 327
 328 bool wxBitmap::CreateFromXpm( const char **bits )
 329 {
 330     UnRef();
 331
 332     wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
 333
 334     GdkVisual *visual = wxTheApp->GetGdkVisual();
 335
 336     m_refData = new wxBitmapRefData();
 337
 338     GdkBitmap *mask = (GdkBitmap*) NULL;
 339
 340     M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
 341
 342     wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") );
 343
 344     if (mask)
 345     {
 346         M_BMPDATA->m_mask = new wxMask();
 347         M_BMPDATA->m_mask->m_bitmap = mask;
 348     }
 349
 350     gdk_drawable_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 351
 352     M_BMPDATA->m_bpp = visual->depth;  // Can we get a different depth from create_from_xpm_d() ?
 353
 354     return true;
 355 }
 356
 357 wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
 358 {
 359     wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
 360
 361     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
 362         return *this;
 363
 364     int width = wxMax(newx, 1);
 365     int height = wxMax(newy, 1);
 366     width = wxMin(width, clipwidth);
 367     height = wxMin(height, clipheight);
 368
 369     wxBitmap bmp;
 370
 371     if (HasPixbuf())
 372     {
 373         bmp.SetWidth(width);
 374         bmp.SetHeight(height);
 375         bmp.SetDepth(GetDepth());
 376         bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 377                                      gdk_pixbuf_get_has_alpha(GetPixbuf()),
 378                                      8, width, height));
 379         gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(),
 380                          0, 0, width, height,
 381                          clipx, clipy,
 382                          (double)newx/GetWidth(), (double)newy/GetHeight(),
 383                          GDK_INTERP_BILINEAR);
 384     }
 385     else
 386     {
 387         GdkImage *img = (GdkImage*) NULL;
 388         if (GetPixmap())
 389             img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
 390         else if (GetBitmap())
 391             img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
 392         else
 393             wxFAIL_MSG( wxT("Ill-formed bitmap") );
 394
 395         wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
 396
 397         int bpp = -1;
 398
 399
 400         GdkGC *gc = NULL;
 401         GdkPixmap *dstpix = NULL;
 402         if (GetPixmap())
 403         {
 404             GdkVisual *visual = gdk_drawable_get_visual( GetPixmap() );
 405             if (visual == NULL)
 406                 visual = wxTheApp->GetGdkVisual();
 407
 408             bpp = visual->depth;
 409             bmp = wxBitmap(width,height,bpp);
 410             dstpix = bmp.GetPixmap();
 411             gc = gdk_gc_new( dstpix );
 412         }
 413
 414         char *dst = NULL;
 415         long dstbyteperline = 0;
 416
 417         if (GetBitmap())
 418         {
 419             bpp = 1;
 420             dstbyteperline = width/8*M_BMPDATA->m_bpp;
 421             if (width*M_BMPDATA->m_bpp % 8 != 0)
 422                 dstbyteperline++;
 423             dst = (char*) malloc(dstbyteperline*height);
 424         }
 425
 426         // be careful to use the right scaling factor
 427         float scx = (float)M_BMPDATA->m_width/(float)newx;
 428         float scy = (float)M_BMPDATA->m_height/(float)newy;
 429         // prepare accel-tables
 430         int *tablex = (int *)calloc(width,sizeof(int));
 431         int *tabley = (int *)calloc(height,sizeof(int));
 432
 433         // accel table filled with clipped values
 434         for (int x = 0; x < width; x++)
 435             tablex[x] = (int) (scx * (x+clipx));
 436         for (int y = 0; y < height; y++)
 437             tabley[y] = (int) (scy * (y+clipy));
 438
 439         // Main rescaling routine starts here
 440         for (int h = 0; h < height; h++)
 441         {
 442             char outbyte = 0;
 443             int old_x = -1;
 444             guint32 old_pixval = 0;
 445
 446             for (int w = 0; w < width; w++)
 447             {
 448                 guint32 pixval;
 449                 int x = tablex[w];
 450                 if (x == old_x)
 451                     pixval = old_pixval;
 452                 else
 453                 {
 454                     pixval = gdk_image_get_pixel( img, x, tabley[h] );
 455                     old_pixval = pixval;
 456                     old_x = x;
 457                 }
 458
 459                 if ( dst )
 460                 {
 461                     if (!pixval)
 462                     {
 463                         char bit=1;
 464                         char shift = bit << (w % 8);
 465                         outbyte |= shift;
 466                     }
 467
 468                     if ((w+1)%8==0)
 469                     {
 470                         dst[h*dstbyteperline+w/8] = outbyte;
 471                         outbyte = 0;
 472                     }
 473                 }
 474                 else
 475                 {
 476                     GdkColor col;
 477                     col.pixel = pixval;
 478                     gdk_gc_set_foreground( gc, &col );
 479                     gdk_draw_point( dstpix, gc, w, h);
 480                 }
 481             }
 482
 483             // do not forget the last byte
 484             if ( dst && (width % 8 != 0) )
 485                 dst[h*dstbyteperline+width/8] = outbyte;
 486         }
 487
 488         g_object_unref (img);
 489         if (gc) g_object_unref (gc);
 490
 491         if ( dst )
 492         {
 493             bmp = wxBitmap( (const char *)dst, width, height, 1 );
 494             free( dst );
 495         }
 496
 497         if (GetMask())
 498         {
 499             dstbyteperline = width/8;
 500             if (width % 8 != 0)
 501                 dstbyteperline++;
 502             dst = (char*) malloc(dstbyteperline*height);
 503             img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
 504
 505             for (int h = 0; h < height; h++)
 506             {
 507                 char outbyte = 0;
 508                 int old_x = -1;
 509                 guint32 old_pixval = 0;
 510
 511                 for (int w = 0; w < width; w++)
 512                 {
 513                     guint32 pixval;
 514                     int x = tablex[w];
 515                     if (x == old_x)
 516                         pixval = old_pixval;
 517                     else
 518                     {
 519                         pixval = gdk_image_get_pixel( img, x, tabley[h] );
 520                         old_pixval = pixval;
 521                         old_x = x;
 522                     }
 523
 524                     if (pixval)
 525                     {
 526                         char bit=1;
 527                         char shift = bit << (w % 8);
 528                         outbyte |= shift;
 529                     }
 530
 531                     if ((w+1)%8 == 0)
 532                     {
 533                         dst[h*dstbyteperline+w/8] = outbyte;
 534                         outbyte = 0;
 535                     }
 536                 }
 537
 538                 // do not forget the last byte
 539                 if (width % 8 != 0)
 540                     dst[h*dstbyteperline+width/8] = outbyte;
 541             }
 542             wxMask* mask = new wxMask;
 543             mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
 544             bmp.SetMask(mask);
 545
 546             free( dst );
 547             g_object_unref (img);
 548         }
 549
 550         free( tablex );
 551         free( tabley );
 552     }
 553
 554     return bmp;
 555 }
 556
 557 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 558 {
 559     UnRef();
 560
 561     wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
 562     wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") );
 563
 564     if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
 565         return false;
 566
 567     m_refData = new wxBitmapRefData();
 568
 569     if (depth == 1)
 570     {
 571         return CreateFromImageAsBitmap(image);
 572     }
 573     else
 574     {
 575         if (image.HasAlpha())
 576             return CreateFromImageAsPixbuf(image);
 577
 578         return CreateFromImageAsPixmap(image);
 579     }
 580 }
 581
 582 // conversion to mono bitmap:
 583 bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
 584 {
 585     // convert alpha channel to mask, if it is present:
 586     wxImage image(img);
 587     image.ConvertAlphaToMask();
 588
 589     int width = image.GetWidth();
 590     int height = image.GetHeight();
 591
 592     SetHeight( height );
 593     SetWidth( width );
 594
 595     SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
 596
 597     SetDepth( 1 );
 598
 599     GdkVisual *visual = wxTheApp->GetGdkVisual();
 600
 601     // Create picture image
 602
 603     unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 604
 605     GdkImage *data_image =
 606         gdk_image_new_bitmap( visual, data_data, width, height );
 607
 608     // Create mask image
 609
 610     GdkImage *mask_image = (GdkImage*) NULL;
 611
 612     if (image.HasMask())
 613     {
 614         unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 615
 616         mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
 617
 618         wxMask *mask = new wxMask();
 619         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
 620
 621         SetMask( mask );
 622     }
 623
 624     int r_mask = image.GetMaskRed();
 625     int g_mask = image.GetMaskGreen();
 626     int b_mask = image.GetMaskBlue();
 627
 628     unsigned char* data = image.GetData();
 629
 630     int index = 0;
 631     for (int y = 0; y < height; y++)
 632     {
 633         for (int x = 0; x < width; x++)
 634         {
 635             int r = data[index];
 636             index++;
 637             int g = data[index];
 638             index++;
 639             int b = data[index];
 640             index++;
 641
 642             if (image.HasMask())
 643             {
 644                 if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 645                     gdk_image_put_pixel( mask_image, x, y, 1 );
 646                 else
 647                     gdk_image_put_pixel( mask_image, x, y, 0 );
 648             }
 649
 650             if ((r == 255) && (b == 255) && (g == 255))
 651                 gdk_image_put_pixel( data_image, x, y, 1 );
 652             else
 653                 gdk_image_put_pixel( data_image, x, y, 0 );
 654
 655         } // for
 656     }  // for
 657
 658     // Blit picture
 659
 660     GdkGC *data_gc = gdk_gc_new( GetBitmap() );
 661
 662     gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
 663
 664     g_object_unref (data_image);
 665     g_object_unref (data_gc);
 666
 667     // Blit mask
 668
 669     if (image.HasMask())
 670     {
 671         GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
 672
 673         gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
 674
 675         g_object_unref (mask_image);
 676         g_object_unref (mask_gc);
 677     }
 678
 679     return true;
 680 }
 681
 682 // conversion to colour bitmap:
 683 bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
 684 {
 685     // convert alpha channel to mask, if it is present:
 686     wxImage image(img);
 687     image.ConvertAlphaToMask();
 688
 689     int width = image.GetWidth();
 690     int height = image.GetHeight();
 691
 692     SetHeight( height );
 693     SetWidth( width );
 694
 695     SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
 696
 697     GdkVisual *visual = wxTheApp->GetGdkVisual();
 698
 699     int bpp = visual->depth;
 700
 701     SetDepth( bpp );
 702
 703     GdkGC *gc = gdk_gc_new( GetPixmap() );
 704
 705     gdk_draw_rgb_image( GetPixmap(),
 706                         gc,
 707                         0, 0,
 708                         width, height,
 709                         GDK_RGB_DITHER_NONE,
 710                         image.GetData(),
 711                         width*3 );
 712
 713     g_object_unref (gc);
 714
 715     // Create mask image
 716
 717     GdkImage *mask_image = (GdkImage*) NULL;
 718
 719     if (!image.HasMask())
 720         return true;
 721
 722     unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
 723
 724     mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
 725
 726     wxMask *mask = new wxMask();
 727     mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
 728
 729     SetMask( mask );
 730
 731     int r_mask = image.GetMaskRed();
 732     int g_mask = image.GetMaskGreen();
 733     int b_mask = image.GetMaskBlue();
 734
 735     unsigned char* data = image.GetData();
 736
 737     int index = 0;
 738     for (int y = 0; y < height; y++)
 739     {
 740         for (int x = 0; x < width; x++)
 741         {
 742             int r = data[index];
 743             index++;
 744             int g = data[index];
 745             index++;
 746             int b = data[index];
 747             index++;
 748
 749             if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 750                 gdk_image_put_pixel( mask_image, x, y, 1 );
 751             else
 752                 gdk_image_put_pixel( mask_image, x, y, 0 );
 753         } // for
 754     }  // for
 755
 756     // Blit mask
 757
 758     GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
 759
 760     gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
 761
 762     g_object_unref (mask_image);
 763     g_object_unref (mask_gc);
 764
 765     return true;
 766 }
 767
 768 bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
 769 {
 770     int width = image.GetWidth();
 771     int height = image.GetHeight();
 772
 773     GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 774                                        image.HasAlpha(),
 775                                        8 /* bits per sample */,
 776                                        width, height);
 777     if (!pixbuf)
 778         return false;
 779
 780     wxASSERT( image.HasAlpha() ); // for now
 781     wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 );
 782     wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
 783     wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
 784
 785     M_BMPDATA->m_pixbuf = pixbuf;
 786     SetHeight(height);
 787     SetWidth(width);
 788     SetDepth(wxTheApp->GetGdkVisual()->depth);
 789
 790     // Copy the data:
 791     unsigned char *in = image.GetData();
 792     unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
 793     unsigned char *alpha = image.GetAlpha();
 794
 795     int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
 796
 797     for (int y = 0; y < height; y++, out += rowinc)
 798     {
 799         for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
 800         {
 801             out[0] = in[0];
 802             out[1] = in[1];
 803             out[2] = in[2];
 804             out[3] = *alpha;
 805         }
 806     }
 807
 808     return true;
 809 }
 810
 811 wxImage wxBitmap::ConvertToImage() const
 812 {
 813     wxImage image;
 814
 815     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 816
 817     image.Create(GetWidth(), GetHeight());
 818     unsigned char *data = image.GetData();
 819
 820     if (!data)
 821     {
 822         wxFAIL_MSG( wxT("couldn't create image") );
 823         return wxNullImage;
 824     }
 825
 826     if (HasPixbuf())
 827     {
 828         GdkPixbuf *pixbuf = GetPixbuf();
 829         wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) );
 830
 831         int w = GetWidth();
 832         int h = GetHeight();
 833
 834         image.SetAlpha();
 835
 836         unsigned char *alpha = image.GetAlpha();
 837         unsigned char *in = gdk_pixbuf_get_pixels(pixbuf);
 838         unsigned char *out = data;
 839         int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;
 840
 841         for (int y = 0; y < h; y++, in += rowinc)
 842         {
 843             for (int x = 0; x < w; x++, in += 4, out += 3, alpha++)
 844             {
 845                 out[0] = in[0];
 846                 out[1] = in[1];
 847                 out[2] = in[2];
 848                 *alpha = in[3];
 849             }
 850         }
 851     }
 852     else
 853     {
 854         // the colour used as transparent one in wxImage and the one it is
 855         // replaced with when it really occurs in the bitmap
 856         static const int MASK_RED = 1;
 857         static const int MASK_GREEN = 2;
 858         static const int MASK_BLUE = 3;
 859         static const int MASK_BLUE_REPLACEMENT = 2;
 860
 861         GdkImage *gdk_image = (GdkImage*) NULL;
 862
 863         if (HasPixmap())
 864         {
 865             gdk_image = gdk_image_get( GetPixmap(),
 866                                        0, 0,
 867                                        GetWidth(), GetHeight() );
 868         }
 869         else if (GetBitmap())
 870         {
 871             gdk_image = gdk_image_get( GetBitmap(),
 872                                        0, 0,
 873                                        GetWidth(), GetHeight() );
 874         }
 875         else
 876         {
 877             wxFAIL_MSG( wxT("Ill-formed bitmap") );
 878         }
 879
 880         wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
 881
 882         GdkImage *gdk_image_mask = (GdkImage*) NULL;
 883         if (GetMask())
 884         {
 885             gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
 886                                             0, 0,
 887                                             GetWidth(), GetHeight() );
 888
 889             image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
 890         }
 891
 892         int bpp = -1;
 893         int red_shift_right = 0;
 894         int green_shift_right = 0;
 895         int blue_shift_right = 0;
 896         int red_shift_left = 0;
 897         int green_shift_left = 0;
 898         int blue_shift_left = 0;
 899         bool use_shift = false;
 900
 901         if (GetPixmap())
 902         {
 903             GdkVisual *visual = gdk_drawable_get_visual( GetPixmap() );
 904             if (visual == NULL)
 905                 visual = wxTheApp->GetGdkVisual();
 906
 907             bpp = visual->depth;
 908             if (bpp == 16)
 909                 bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
 910             red_shift_right = visual->red_shift;
 911             red_shift_left = 8-visual->red_prec;
 912             green_shift_right = visual->green_shift;
 913             green_shift_left = 8-visual->green_prec;
 914             blue_shift_right = visual->blue_shift;
 915             blue_shift_left = 8-visual->blue_prec;
 916
 917             use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
 918         }
 919         if (GetBitmap())
 920         {
 921             bpp = 1;
 922         }
 923
 924
 925         GdkColormap *cmap = gtk_widget_get_default_colormap();
 926
 927         long pos = 0;
 928         for (int j = 0; j < GetHeight(); j++)
 929         {
 930             for (int i = 0; i < GetWidth(); i++)
 931             {
 932                 wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
 933                 if (bpp == 1)
 934                 {
 935                     if (pixel == 0)
 936                     {
 937                         data[pos]   = 0;
 938                         data[pos+1] = 0;
 939                         data[pos+2] = 0;
 940                     }
 941                     else
 942                     {
 943                         data[pos]   = 255;
 944                         data[pos+1] = 255;
 945                         data[pos+2] = 255;
 946                     }
 947                 }
 948                 else if (use_shift)
 949                 {
 950                     data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
 951                     data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
 952                     data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;
 953                 }
 954                 else if (cmap->colors)
 955                 {
 956                     data[pos] =   cmap->colors[pixel].red   >> 8;
 957                     data[pos+1] = cmap->colors[pixel].green >> 8;
 958                     data[pos+2] = cmap->colors[pixel].blue  >> 8;
 959                 }
 960                 else
 961                 {
 962                     wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
 963                 }
 964
 965                 if (gdk_image_mask)
 966                 {
 967                     int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
 968                     if (mask_pixel == 0)
 969                     {
 970                         data[pos] = MASK_RED;
 971                         data[pos+1] = MASK_GREEN;
 972                         data[pos+2] = MASK_BLUE;
 973                     }
 974                     else if ( data[pos] == MASK_RED &&
 975                                 data[pos+1] == MASK_GREEN &&
 976                                     data[pos+2] == MASK_BLUE )
 977                     {
 978                         data[pos+2] = MASK_BLUE_REPLACEMENT;
 979                     }
 980                 }
 981
 982                 pos += 3;
 983             }
 984         }
 985
 986         g_object_unref (gdk_image);
 987         if (gdk_image_mask) g_object_unref (gdk_image_mask);
 988     }
 989
 990     return image;
 991 }
 992
 993 wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
 994 {
 995     LoadFile( filename, type );
 996 }
 997
 998 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
 999 {
1000     if ( width > 0 && height > 0 )
1001     {
1002         m_refData = new wxBitmapRefData();
1003
1004         M_BMPDATA->m_mask = (wxMask *) NULL;
1005         M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
1006                               (
1007                                 wxGetRootWindow()->window,
1008                                 (gchar *) bits,
1009                                 width,
1010                                 height
1011                               );
1012         M_BMPDATA->m_width = width;
1013         M_BMPDATA->m_height = height;
1014         M_BMPDATA->m_bpp = 1;
1015
1016         wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
1017     }
1018 }
1019
1020 wxBitmap::~wxBitmap()
1021 {
1022 }
1023
1024 bool wxBitmap::operator == ( const wxBitmap& bmp ) const
1025 {
1026     return m_refData == bmp.m_refData;
1027 }
1028
1029 bool wxBitmap::operator != ( const wxBitmap& bmp ) const
1030 {
1031     return m_refData != bmp.m_refData;
1032 }
1033
1034 bool wxBitmap::Ok() const
1035 {
1036     return (m_refData != NULL) &&
1037            (
1038               M_BMPDATA->m_pixbuf ||
1039               M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap
1040            );
1041 }
1042
1043 int wxBitmap::GetHeight() const
1044 {
1045     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1046
1047     return M_BMPDATA->m_height;
1048 }
1049
1050 int wxBitmap::GetWidth() const
1051 {
1052     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1053
1054     return M_BMPDATA->m_width;
1055 }
1056
1057 int wxBitmap::GetDepth() const
1058 {
1059     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
1060
1061     return M_BMPDATA->m_bpp;
1062 }
1063
1064 wxMask *wxBitmap::GetMask() const
1065 {
1066     wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
1067
1068     return M_BMPDATA->m_mask;
1069 }
1070
1071 void wxBitmap::SetMask( wxMask *mask )
1072 {
1073     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
1074
1075     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
1076
1077     M_BMPDATA->m_mask = mask;
1078 }
1079
1080 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
1081 {
1082     *this = icon;
1083     return true;
1084 }
1085
1086 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
1087 {
1088     wxCHECK_MSG( Ok() &&
1089                  (rect.x >= 0) && (rect.y >= 0) &&
1090                  (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
1091                  wxNullBitmap, wxT("invalid bitmap or bitmap region") );
1092
1093     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
1094     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
1095
1096     if (HasPixbuf())
1097     {
1098         GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
1099                                            gdk_pixbuf_get_has_alpha(GetPixbuf()),
1100                                            8, rect.width, rect.height);
1101         ret.SetPixbuf(pixbuf);
1102         gdk_pixbuf_copy_area(GetPixbuf(),
1103                              rect.x, rect.y, rect.width, rect.height,
1104                              pixbuf, 0, 0);
1105     }
1106     else
1107     {
1108         if (ret.GetPixmap())
1109         {
1110             GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
1111             gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
1112             g_object_unref (gc);
1113         }
1114         else
1115         {
1116             GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
1117             GdkColor col;
1118             col.pixel = 0xFFFFFF;
1119             gdk_gc_set_foreground( gc, &col );
1120             col.pixel = 0;
1121             gdk_gc_set_background( gc, &col );
1122             gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
1123             g_object_unref (gc);
1124         }
1125     }
1126
1127     if (GetMask())
1128     {
1129         wxMask *mask = new wxMask;
1130         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
1131
1132         GdkGC *gc = gdk_gc_new( mask->m_bitmap );
1133         GdkColor col;
1134         col.pixel = 0xFFFFFF;
1135         gdk_gc_set_foreground( gc, &col );
1136         col.pixel = 0;
1137         gdk_gc_set_background( gc, &col );
1138         gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height );
1139         g_object_unref (gc);
1140
1141         ret.SetMask( mask );
1142     }
1143
1144     return ret;
1145 }
1146
1147 bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
1148 {
1149     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1150
1151     // Try to save the bitmap via wxImage handlers:
1152     {
1153         wxImage image = ConvertToImage();
1154         if (image.Ok()) return image.SaveFile( name, type );
1155     }
1156
1157     return false;
1158 }
1159
1160 bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1161 {
1162     UnRef();
1163
1164     if (!wxFileExists(name))
1165         return false;
1166
1167     GdkVisual *visual = wxTheApp->GetGdkVisual();
1168
1169     if (type == wxBITMAP_TYPE_XPM)
1170     {
1171         m_refData = new wxBitmapRefData();
1172
1173         GdkBitmap *mask = (GdkBitmap*) NULL;
1174
1175         M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
1176                               (
1177                                 wxGetRootWindow()->window,
1178                                 &mask,
1179                                 NULL,
1180                                 name.fn_str()
1181                               );
1182
1183         if (mask)
1184         {
1185            M_BMPDATA->m_mask = new wxMask();
1186            M_BMPDATA->m_mask->m_bitmap = mask;
1187         }
1188
1189         gdk_drawable_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
1190
1191         M_BMPDATA->m_bpp = visual->depth;
1192     }
1193     else // try if wxImage can load it
1194     {
1195         wxImage image;
1196         if ( !image.LoadFile( name, type ) || !image.Ok() )
1197             return false;
1198
1199         *this = wxBitmap(image);
1200     }
1201
1202     return true;
1203 }
1204
1205 #if wxUSE_PALETTE
1206 wxPalette *wxBitmap::GetPalette() const
1207 {
1208     if (!Ok())
1209         return (wxPalette *) NULL;
1210
1211     return M_BMPDATA->m_palette;
1212 }
1213
1214 void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
1215 {
1216     // TODO
1217 }
1218 #endif // wxUSE_PALETTE
1219
1220 void wxBitmap::SetHeight( int height )
1221 {
1222     if (!m_refData)
1223         m_refData = new wxBitmapRefData();
1224
1225     M_BMPDATA->m_height = height;
1226 }
1227
1228 void wxBitmap::SetWidth( int width )
1229 {
1230     if (!m_refData)
1231         m_refData = new wxBitmapRefData();
1232
1233     M_BMPDATA->m_width = width;
1234 }
1235
1236 void wxBitmap::SetDepth( int depth )
1237 {
1238     if (!m_refData)
1239         m_refData = new wxBitmapRefData();
1240
1241     M_BMPDATA->m_bpp = depth;
1242 }
1243
1244 void wxBitmap::SetPixmap( GdkPixmap *pixmap )
1245 {
1246     if (!m_refData)
1247         m_refData = new wxBitmapRefData();
1248
1249     M_BMPDATA->m_pixmap = pixmap;
1250     PurgeOtherRepresentations(Pixmap);
1251 }
1252
1253 void wxBitmap::SetBitmap( GdkPixmap *bitmap )
1254 {
1255     if (!m_refData)
1256         m_refData = new wxBitmapRefData();
1257
1258     M_BMPDATA->m_bitmap = bitmap;
1259     PurgeOtherRepresentations(Pixmap);
1260 }
1261
1262 GdkPixmap *wxBitmap::GetPixmap() const
1263 {
1264     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
1265
1266     // create the pixmap on the fly if we use Pixbuf representation:
1267     if (HasPixbuf() && !HasPixmap())
1268     {
1269         delete M_BMPDATA->m_mask;
1270         M_BMPDATA->m_mask = new wxMask();
1271         gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
1272                                           &M_BMPDATA->m_pixmap,
1273                                           &M_BMPDATA->m_mask->m_bitmap,
1274                                           128 /*threshold*/);
1275     }
1276
1277     return M_BMPDATA->m_pixmap;
1278 }
1279
1280 bool wxBitmap::HasPixmap() const
1281 {
1282     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1283
1284     return M_BMPDATA->m_pixmap != NULL;
1285 }
1286
1287 GdkBitmap *wxBitmap::GetBitmap() const
1288 {
1289     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
1290
1291     return M_BMPDATA->m_bitmap;
1292 }
1293
1294 GdkPixbuf *wxBitmap::GetPixbuf() const
1295 {
1296     wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
1297
1298     if (HasPixmap() && !HasPixbuf())
1299     {
1300         int width = GetWidth();
1301         int height = GetHeight();
1302
1303         GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
1304                                            GetMask() != NULL,
1305                                            8, width, height);
1306         M_BMPDATA->m_pixbuf =
1307             gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
1308                                          0, 0, 0, 0, width, height);
1309
1310         // apply the mask to created pixbuf:
1311         if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
1312         {
1313             GdkPixbuf *pmask =
1314                 gdk_pixbuf_get_from_drawable(NULL,
1315                                              M_BMPDATA->m_mask->GetBitmap(),
1316                                              NULL,
1317                                              0, 0, 0, 0, width, height);
1318             if (pmask)
1319             {
1320                 guchar *bmp = gdk_pixbuf_get_pixels(pixbuf);
1321                 guchar *mask = gdk_pixbuf_get_pixels(pmask);
1322                 int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
1323                 int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width;
1324
1325                 for (int y = 0; y < height;
1326                      y++, bmp += bmprowinc, mask += maskrowinc)
1327                 {
1328                     for (int x = 0; x < width; x++, bmp += 4, mask += 3)
1329                     {
1330                         if (mask[0] == 0 /*black pixel*/)
1331                             bmp[3] = 0;
1332                     }
1333                 }
1334
1335                 g_object_unref (pmask);
1336             }
1337         }
1338     }
1339
1340     return M_BMPDATA->m_pixbuf;
1341 }
1342
1343 bool wxBitmap::HasPixbuf() const
1344 {
1345     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1346
1347     return M_BMPDATA->m_pixbuf != NULL;
1348 }
1349
1350 void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
1351 {
1352     if (!m_refData)
1353         m_refData = new wxBitmapRefData();
1354
1355     M_BMPDATA->m_pixbuf = pixbuf;
1356     PurgeOtherRepresentations(Pixbuf);
1357 }
1358
1359 void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
1360 {
1361     if (keep == Pixmap && HasPixbuf())
1362     {
1363         g_object_unref (M_BMPDATA->m_pixbuf);
1364         M_BMPDATA->m_pixbuf = NULL;
1365     }
1366     if (keep == Pixbuf && HasPixmap())
1367     {
1368         g_object_unref (M_BMPDATA->m_pixmap);
1369         M_BMPDATA->m_pixmap = NULL;
1370     }
1371 }
1372
1373 void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
1374 {
1375     if (bpp != 32)
1376         return NULL;
1377
1378     GdkPixbuf *pixbuf = GetPixbuf();
1379     if (!pixbuf)
1380         return NULL;
1381
1382 #if 0
1383     if (gdk_pixbuf_get_has_alpha( pixbuf ))
1384         wxPrintf( wxT("Has alpha\n") );
1385     else
1386         wxPrintf( wxT("No alpha.\n") );
1387 #endif
1388
1389     data.m_height = gdk_pixbuf_get_height( pixbuf );
1390     data.m_width = gdk_pixbuf_get_width( pixbuf );
1391     data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
1392
1393     return gdk_pixbuf_get_pixels( pixbuf );
1394 }
1395
1396 void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
1397 {
1398 }
1399
1400
1401 bool wxBitmap::HasAlpha() const
1402 {
1403     return HasPixbuf();
1404 }
1405
1406 void wxBitmap::UseAlpha()
1407 {
1408     GetPixbuf();
1409 }
1410
1411 //-----------------------------------------------------------------------------
1412 // wxBitmapHandler
1413 //-----------------------------------------------------------------------------
1414
1415 IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase)
1416
1417 wxBitmapHandler::~wxBitmapHandler()
1418 {
1419 }
1420
1421 bool wxBitmapHandler::Create(wxBitmap * WXUNUSED(bitmap),
1422                              void * WXUNUSED(data),
1423                              long WXUNUSED(type),
1424                              int WXUNUSED(width),
1425                              int WXUNUSED(height),
1426                              int WXUNUSED(depth))
1427 {
1428     wxFAIL_MSG( _T("not implemented") );
1429
1430     return false;
1431 }
1432
1433 bool wxBitmapHandler::LoadFile(wxBitmap * WXUNUSED(bitmap),
1434                                const wxString& WXUNUSED(name),
1435                                long WXUNUSED(flags),
1436                                int WXUNUSED(desiredWidth),
1437                                int WXUNUSED(desiredHeight))
1438 {
1439     wxFAIL_MSG( _T("not implemented") );
1440
1441     return false;
1442 }
1443
1444 bool wxBitmapHandler::SaveFile(const wxBitmap * WXUNUSED(bitmap),
1445                                const wxString& WXUNUSED(name),
1446                                int WXUNUSED(type),
1447                                const wxPalette * WXUNUSED(palette))
1448 {
1449     wxFAIL_MSG( _T("not implemented") );
1450
1451     return false;
1452 }
1453
1454 /* static */ void wxBitmap::InitStandardHandlers()
1455 {
1456     // TODO: Insert handler based on GdkPixbufs handler later
1457 }