src/x11/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/bitmap.cpp
   3 // Purpose:     wxBitmap
   4 // Author:      Julian Smart, Robert Roebling
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart, Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/bitmap.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/log.h"
  19     #include "wx/app.h"
  20     #include "wx/dcmemory.h"
  21     #include "wx/icon.h"
  22     #include "wx/math.h"
  23     #include "wx/image.h"
  24 #endif
  25
  26 #include "wx/x11/private.h"
  27
  28 /* No point in using libXPM for NanoX */
  29 #if wxUSE_NANOX
  30 #undef wxHAVE_LIB_XPM
  31 #define wxHAVE_LIB_XPM 0
  32
  33 // Copy from the drawable to the wxImage
  34 bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image);
  35 #endif
  36
  37 #if wxUSE_XPM
  38 #if wxHAVE_LIB_XPM
  39 #include <X11/xpm.h>
  40 #else
  41 #include "wx/xpmdecod.h"
  42 #include "wx/wfstream.h"
  43 #endif
  44 #endif
  45
  46 //-----------------------------------------------------------------------------
  47 // wxMask
  48 //-----------------------------------------------------------------------------
  49
  50 IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
  51
  52 wxMask::wxMask()
  53 {
  54     m_bitmap = NULL;
  55     m_display = NULL;
  56 }
  57
  58 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
  59 {
  60     m_bitmap = NULL;
  61     Create( bitmap, colour );
  62 }
  63
  64 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
  65 {
  66     m_bitmap = NULL;
  67     Create( bitmap, paletteIndex );
  68 }
  69
  70 wxMask::wxMask( const wxBitmap& bitmap )
  71 {
  72     m_bitmap = NULL;
  73     Create( bitmap );
  74 }
  75
  76 wxMask::~wxMask()
  77 {
  78     if (m_bitmap)
  79         XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
  80 }
  81
  82 bool wxMask::Create( const wxBitmap& bitmap,
  83                      const wxColour& colour )
  84 {
  85 #if !wxUSE_NANOX
  86     if (m_bitmap)
  87     {
  88         XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
  89         m_bitmap = NULL;
  90     }
  91
  92     m_display = bitmap.GetDisplay();
  93
  94     wxImage image = bitmap.ConvertToImage();
  95     if (!image.Ok()) return false;
  96
  97     m_display = bitmap.GetDisplay();
  98
  99     Display *xdisplay = (Display*) m_display;
 100     int xscreen = DefaultScreen( xdisplay );
 101     Window xroot = RootWindow( xdisplay, xscreen );
 102
 103     m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 );
 104     GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL );
 105
 106     XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) );
 107     XSetFillStyle( xdisplay, gc, FillSolid );
 108     XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 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     int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth;
 118
 119     if (bpp == 15)
 120     {
 121         red &= 0xf8;
 122         green &= 0xf8;
 123         blue &= 0xf8;
 124     } else
 125     if (bpp == 16)
 126     {
 127         red &= 0xf8;
 128         green &= 0xfc;
 129         blue &= 0xf8;
 130     } else
 131     if (bpp == 12)
 132     {
 133         red &= 0xf0;
 134         green &= 0xf0;
 135         blue &= 0xf0;
 136     }
 137
 138     XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) );
 139
 140     int width = image.GetWidth();
 141     int height = image.GetHeight();
 142     for (int j = 0; j < height; j++)
 143     {
 144         int start_x = -1;
 145         int i;
 146         for (i = 0; i < width; i++)
 147         {
 148             if ((data[index] == red) &&
 149                 (data[index+1] == green) &&
 150                 (data[index+2] == blue))
 151             {
 152                 if (start_x == -1)
 153                 start_x = i;
 154             }
 155             else
 156             {
 157                 if (start_x != -1)
 158                 {
 159                     XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i-1, j );
 160                     start_x = -1;
 161                 }
 162             }
 163             index += 3;
 164         }
 165         if (start_x != -1)
 166             XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j );
 167     }
 168
 169     XFreeGC( xdisplay, gc );
 170
 171     return true;
 172 #else
 173     return false;
 174 #endif
 175     // wxUSE_NANOX
 176 }
 177
 178 bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
 179 {
 180     unsigned char r,g,b;
 181     wxPalette *pal = bitmap.GetPalette();
 182
 183     wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
 184
 185     pal->GetRGB(paletteIndex, &r, &g, &b);
 186
 187     return Create(bitmap, wxColour(r, g, b));
 188 }
 189
 190 bool wxMask::Create( const wxBitmap& bitmap )
 191 {
 192 #if !wxUSE_NANOX
 193     if (m_bitmap)
 194     {
 195         XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
 196         m_bitmap = NULL;
 197     }
 198
 199     if (!bitmap.Ok()) return false;
 200
 201     wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
 202
 203     m_display = bitmap.GetDisplay();
 204
 205     int xscreen = DefaultScreen( (Display*) m_display );
 206     Window xroot = RootWindow( (Display*) m_display, xscreen );
 207
 208     m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
 209
 210     if (!m_bitmap) return false;
 211
 212     GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL );
 213
 214     XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap,
 215        gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 );
 216
 217     XFreeGC( (Display*) m_display, gc );
 218
 219     return true;
 220 #else
 221     return false;
 222 #endif
 223     // wxUSE_NANOX
 224 }
 225
 226 //-----------------------------------------------------------------------------
 227 // wxBitmap
 228 //-----------------------------------------------------------------------------
 229
 230 class wxBitmapRefData: public wxObjectRefData
 231 {
 232 public:
 233     wxBitmapRefData();
 234     wxBitmapRefData(const wxBitmapRefData& data);
 235     virtual ~wxBitmapRefData();
 236
 237     // shouldn't be called more than once as it doesn't free the existing data
 238     bool Create(int width, int height, int depth);
 239
 240     Pixmap          m_pixmap;
 241     Pixmap          m_bitmap;
 242     Display        *m_display;
 243     wxMask         *m_mask;
 244     int             m_width;
 245     int             m_height;
 246     int             m_bpp;
 247     wxPalette      *m_palette;
 248 };
 249
 250 wxBitmapRefData::wxBitmapRefData()
 251 {
 252     m_pixmap = 0;
 253     m_bitmap = 0;
 254     m_display = NULL;
 255     m_mask = NULL;
 256     m_width = 0;
 257     m_height = 0;
 258     m_bpp = 0;
 259     m_palette = (wxPalette *) NULL;
 260 }
 261
 262 wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
 263 {
 264     m_pixmap = 0;
 265     m_bitmap = 0;
 266     m_display = data.m_display;
 267     m_mask = NULL; // FIXME: should copy
 268     m_palette = NULL; // FIXME: should copy
 269
 270     Create(data.m_width, data.m_height, data.m_bpp);
 271 }
 272
 273 bool wxBitmapRefData::Create(int width, int height, int depth)
 274 {
 275     m_width = width;
 276     m_height = height;
 277     m_bpp = depth;
 278
 279     m_display = wxGlobalDisplay();
 280
 281     wxCHECK_MSG( m_display, false, wxT("No display") );
 282
 283     int xscreen = DefaultScreen(m_display);
 284     int bpp = DefaultDepth(m_display, xscreen);
 285     if ( depth == -1 )
 286         depth = bpp;
 287
 288     wxCHECK_MSG( (depth == bpp) || (depth == 1), false,
 289                  wxT("invalid bitmap depth") );
 290
 291 #if wxUSE_NANOX
 292     m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL);
 293 #else // !wxUSE_NANOX
 294     Window xroot = RootWindow(m_display, xscreen);
 295
 296     *(depth == 1 ? &m_bitmap : &m_pixmap) =
 297         XCreatePixmap(m_display, xroot, width, height, depth);
 298 #endif // wxUSE_NANOX/!wxUSE_NANOX
 299
 300     wxCHECK_MSG( m_pixmap || m_bitmap, false, wxT("Bitmap creation failed") );
 301
 302     return true;
 303 }
 304
 305 wxBitmapRefData::~wxBitmapRefData()
 306 {
 307     if (m_pixmap)
 308        XFreePixmap(m_display, m_pixmap);
 309     if (m_bitmap)
 310        XFreePixmap(m_display, m_bitmap);
 311     delete m_mask;
 312     delete m_palette;
 313 }
 314
 315 //-----------------------------------------------------------------------------
 316
 317 // helper function
 318
 319 static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap,
 320                                 int x, int y, int width, int height,
 321                                 int depth )
 322 {
 323     Display * const dpy = (Display *)xdisplay;
 324
 325     int xscreen = DefaultScreen( dpy );
 326     Window xroot = RootWindow( dpy, xscreen );
 327     Visual* xvisual = DefaultVisual( dpy, xscreen );
 328
 329     XImage* ximage = XCreateImage( dpy, xvisual, depth,
 330                                    ZPixmap, 0, 0, width, height, 32, 0 );
 331     ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height );
 332     ximage = XGetSubImage( dpy, (Pixmap)xpixmap,
 333                            x, y, width, height,
 334                            AllPlanes, ZPixmap, ximage, 0, 0 );
 335
 336     GC gc = XCreateGC( dpy, (Pixmap)xpixmap, 0, NULL );
 337     Pixmap ret = XCreatePixmap( dpy, xroot,
 338                                 width, height, depth );
 339
 340     XPutImage( dpy, ret, gc, ximage,
 341                0, 0, 0, 0, width, height );
 342     XDestroyImage( ximage );
 343     XFreeGC( dpy, gc );
 344
 345     return (WXPixmap)ret;
 346 }
 347
 348 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 349
 350 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 351
 352 wxBitmap::wxBitmap()
 353 {
 354 }
 355
 356 wxBitmap::wxBitmap( int width, int height, int depth )
 357 {
 358     Create( width, height, depth );
 359 }
 360
 361 bool wxBitmap::Create( int width, int height, int depth )
 362 {
 363     UnRef();
 364
 365     wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") );
 366
 367     m_refData = new wxBitmapRefData();
 368
 369     return M_BMPDATA->Create(width, height, depth);
 370 }
 371
 372 bool wxBitmap::Create(const void* data, wxBitmapType type,
 373                       int width, int height, int depth)
 374 {
 375     UnRef();
 376
 377     wxBitmapHandler *handler = FindHandler(type);
 378
 379     if ( handler == NULL ) {
 380         wxLogWarning(wxT("no data bitmap handler for type %ld defined."),
 381                      (long)type);
 382
 383         return false;
 384     }
 385
 386     return handler->Create(this, data, type, width, height, depth);
 387 }
 388
 389 bool wxBitmap::Create(WXPixmap pixmap)
 390 {
 391     UnRef();
 392     Pixmap xpixmap = (Pixmap)pixmap;
 393     Display* xdisplay = wxGlobalDisplay();
 394     int xscreen = DefaultScreen( xdisplay );
 395     Window xroot = RootWindow( xdisplay, xscreen );
 396
 397     // make a copy of the Pixmap
 398     Window root;
 399     int x, y;
 400     unsigned width, height, border, depth;
 401
 402     XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y,
 403                   &width, &height, &border, &depth );
 404     Pixmap copy = XCreatePixmap( xdisplay, xroot, width, height, depth );
 405
 406     GC gc = XCreateGC( xdisplay, copy, 0, NULL );
 407     XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 );
 408     XFreeGC( xdisplay, gc );
 409
 410     // fill in ref data
 411     wxBitmapRefData* ref = new wxBitmapRefData();
 412
 413     if( depth == 1 )
 414         ref->m_bitmap = copy;
 415     else
 416         ref->m_pixmap = copy;
 417
 418     ref->m_display = xdisplay;
 419     ref->m_width = width;
 420     ref->m_height = height;
 421     ref->m_bpp = depth;
 422
 423     m_refData = ref;
 424
 425     return true;
 426 }
 427
 428 wxBitmap::wxBitmap(const char* const* bits)
 429 {
 430     Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
 431 }
 432
 433 wxObjectRefData *wxBitmap::CreateRefData() const
 434 {
 435     return new wxBitmapRefData;
 436 }
 437
 438 wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const
 439 {
 440     return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
 441 }
 442
 443 bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
 444 {
 445 #if wxUSE_NANOX
 446     if (!image.Ok())
 447     {
 448         wxASSERT_MSG(image.Ok(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage."));
 449         return false;
 450     }
 451
 452     int w = image.GetWidth();
 453     int h = image.GetHeight();
 454
 455     if (!Create(w, h, depth))
 456         return false;
 457
 458     // Unfortunately the mask has to be screen-depth since
 459     // 1-bpp bitmaps don't seem to be supported
 460     // TODO: implement transparent drawing, presumably
 461     // by doing several blits as per the Windows
 462     // implementation because Nano-X doesn't support
 463     // XSetClipMask.
 464     // TODO: could perhaps speed this function up
 465     // by making a buffer of pixel values,
 466     // and then calling GrArea to write that to the
 467     // pixmap. See demos/nxroach.c.
 468
 469     bool hasMask = image.HasMask();
 470
 471     GC pixmapGC = GrNewGC();
 472     Pixmap pixmap = (Pixmap) GetPixmap();
 473
 474     GC maskGC = 0;
 475     Pixmap maskPixmap = 0;
 476
 477     unsigned char maskR = 0;
 478     unsigned char maskG = 0;
 479     unsigned char maskB = 0;
 480
 481     if (hasMask)
 482     {
 483         maskR = image.GetMaskRed();
 484         maskG = image.GetMaskGreen();
 485         maskB = image.GetMaskBlue();
 486
 487         maskGC = GrNewGC();
 488         maskPixmap = GrNewPixmap(w, h, 0);
 489         if (!maskPixmap)
 490             hasMask = false;
 491         else
 492         {
 493             wxMask* mask = new wxMask;
 494             mask->SetBitmap((WXPixmap) maskPixmap);
 495             SetMask(mask);
 496         }
 497     }
 498
 499     GR_COLOR lastPixmapColour = 0;
 500     GR_COLOR lastMaskColour = 0;
 501
 502     int i, j;
 503     for (i = 0; i < w; i++)
 504     {
 505         for (j = 0; j < h; j++)
 506         {
 507             unsigned char red = image.GetRed(i, j);
 508             unsigned char green = image.GetGreen(i, j);
 509             unsigned char blue = image.GetBlue(i, j);
 510
 511             GR_COLOR colour = GR_RGB(red, green, blue);
 512
 513             // Efficiency measure
 514             if (colour != lastPixmapColour || (i == 0 && j == 0))
 515             {
 516                 GrSetGCForeground(pixmapGC, colour);
 517                 lastPixmapColour = colour;
 518             }
 519
 520             GrPoint(pixmap, pixmapGC, i, j);
 521
 522             if (hasMask)
 523             {
 524                 // scan the bitmap for the transparent colour and set the corresponding
 525                 // pixels in the mask to BLACK and the rest to WHITE
 526                 if (maskR == red && maskG == green && maskB == blue)
 527                 {
 528                     colour = GR_RGB(0, 0, 0);
 529                 }
 530                 else
 531                 {
 532                     colour = GR_RGB(255, 255, 255);
 533                 }
 534                 if (colour != lastMaskColour || (i == 0 && j == 0))
 535                 {
 536                     GrSetGCForeground(maskGC, colour);
 537                     lastMaskColour = colour;
 538                 }
 539                 GrPoint(maskPixmap, maskGC, i, j);
 540             }
 541         }
 542     }
 543
 544     GrDestroyGC(pixmapGC);
 545     if (hasMask)
 546         GrDestroyGC(maskGC);
 547
 548     return true;
 549 #else
 550     // !wxUSE_NANOX
 551
 552     UnRef();
 553
 554     wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
 555     wxCHECK_MSG( depth == -1, false, wxT("invalid bitmap depth") );
 556
 557     m_refData = new wxBitmapRefData();
 558
 559     M_BMPDATA->m_display = wxGlobalDisplay();
 560
 561     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 562
 563     int xscreen = DefaultScreen( xdisplay );
 564     Window xroot = RootWindow( xdisplay, xscreen );
 565     Visual* xvisual = DefaultVisual( xdisplay, xscreen );
 566
 567     int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
 568
 569     int width = image.GetWidth();
 570     int height = image.GetHeight();
 571     M_BMPDATA->m_width = width;
 572     M_BMPDATA->m_height = height;
 573
 574     if (depth != 1) depth = bpp;
 575     M_BMPDATA->m_bpp = depth;
 576
 577     if (depth == 1)
 578     {
 579         wxFAIL_MSG( wxT("mono images later") );
 580     }
 581     else
 582     {
 583         // Create image
 584
 585         XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
 586         data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
 587
 588         if (data_image->data == NULL)
 589         {
 590             wxLogError( wxT("Out of memory.") );  // TODO clean
 591             return false;
 592         }
 593
 594         M_BMPDATA->m_pixmap = XCreatePixmap( xdisplay, xroot, width, height, depth );
 595
 596         // Create mask if necessary
 597         const bool hasMask = image.HasMask();
 598
 599         XImage *mask_image = (XImage*) NULL;
 600         if ( hasMask )
 601         {
 602             mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 );
 603             mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height );
 604
 605             if (mask_image->data == NULL)
 606             {
 607                 wxLogError( wxT("Out of memory.") ); // TODO clean
 608                 return false;
 609             }
 610
 611             wxMask *mask = new wxMask();
 612             mask->SetDisplay( xdisplay );
 613             mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) );
 614
 615             SetMask( mask );
 616         }
 617
 618         if (bpp < 8) bpp = 8;
 619
 620         // Render
 621
 622         enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
 623         byte_order b_o = RGB;
 624
 625         wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
 626         unsigned long greenMask = vi->m_visualGreenMask,
 627                       redMask   = vi->m_visualRedMask,
 628                       blueMask  = vi->m_visualBlueMask;
 629
 630         if (bpp > 8)
 631         {
 632             if ((redMask > greenMask) && (greenMask > blueMask))     b_o = RGB;
 633             else if ((redMask > blueMask) && (blueMask > greenMask)) b_o = RBG;
 634             else if ((blueMask > redMask) && (redMask > greenMask))  b_o = BRG;
 635             else if ((blueMask > greenMask) && (greenMask > redMask))b_o = BGR;
 636             else if ((greenMask > redMask) && (redMask > blueMask))  b_o = GRB;
 637             else if ((greenMask > blueMask) && (blueMask > redMask)) b_o = GBR;
 638         }
 639
 640         int r_mask = image.GetMaskRed();
 641         int g_mask = image.GetMaskGreen();
 642         int b_mask = image.GetMaskBlue();
 643
 644         unsigned char* data = image.GetData();
 645         wxASSERT_MSG( data, wxT("No image data") );
 646
 647         unsigned char *colorCube =
 648             wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube;
 649
 650         int index = 0;
 651         for (int y = 0; y < height; y++)
 652         {
 653             for (int x = 0; x < width; x++)
 654             {
 655                 int r = data[index];
 656                 index++;
 657                 int g = data[index];
 658                 index++;
 659                 int b = data[index];
 660                 index++;
 661
 662                 if (hasMask)
 663                 {
 664                     if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 665                         XPutPixel( mask_image, x, y, 0 );
 666                     else
 667                         XPutPixel( mask_image, x, y, 1 );
 668                 }
 669
 670                 switch (bpp)
 671                 {
 672                     case 8:
 673                     {
 674                         int pixel = 0;
 675                         pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
 676                         XPutPixel( data_image, x, y, pixel );
 677                         break;
 678                     }
 679                     case 12:  // SGI only
 680                     {
 681                         int pixel = 0;
 682                         switch (b_o)
 683                         {
 684                             case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
 685                             case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
 686                             case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
 687                             case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
 688                             case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
 689                             case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
 690                         }
 691                         XPutPixel( data_image, x, y, pixel );
 692                         break;
 693                     }
 694                     case 15:
 695                     {
 696                         int pixel = 0;
 697                         switch (b_o)
 698                         {
 699                             case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 700                             case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 701                             case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 702                             case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 703                             case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 704                             case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 705                         }
 706                         XPutPixel( data_image, x, y, pixel );
 707                         break;
 708                     }
 709                     case 16:
 710                     {
 711                         // I actually don't know if for 16-bit displays, it is alway the green
 712                         // component or the second component which has 6 bits.
 713                         int pixel = 0;
 714                         switch (b_o)
 715                         {
 716                             case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 717                             case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 718                             case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 719                             case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 720                             case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 721                             case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 722                         }
 723                         XPutPixel( data_image, x, y, pixel );
 724                         break;
 725                     }
 726                     case 32:
 727                     case 24:
 728                     {
 729                         int pixel = 0;
 730                         switch (b_o)
 731                         {
 732                             case RGB: pixel = (r << 16) | (g << 8) | b; break;
 733                             case RBG: pixel = (r << 16) | (b << 8) | g; break;
 734                             case BRG: pixel = (b << 16) | (r << 8) | g; break;
 735                             case BGR: pixel = (b << 16) | (g << 8) | r; break;
 736                             case GRB: pixel = (g << 16) | (r << 8) | b; break;
 737                             case GBR: pixel = (g << 16) | (b << 8) | r; break;
 738                         }
 739                         XPutPixel( data_image, x, y, pixel );
 740                     }
 741                     default: break;
 742                 }
 743             } // for
 744         }  // for
 745
 746         // Blit picture
 747
 748         GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL );
 749         XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height );
 750         XDestroyImage( data_image );
 751         XFreeGC( xdisplay, gc );
 752
 753         // Blit mask
 754
 755         if (image.HasMask())
 756         {
 757             GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL );
 758             XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height );
 759
 760             XDestroyImage( mask_image );
 761             XFreeGC( xdisplay, gc );
 762         }
 763     }
 764
 765     return true;
 766 #endif
 767     // wxUSE_NANOX
 768 }
 769
 770 wxImage wxBitmap::ConvertToImage() const
 771 {
 772     wxImage image;
 773
 774     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 775
 776     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 777     wxASSERT_MSG( xdisplay, wxT("No display") );
 778
 779 #if wxUSE_NANOX
 780     //int bpp = DefaultDepth(xdisplay, xscreen);
 781     wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image);
 782     return image;
 783 #else
 784     // !wxUSE_NANOX
 785     int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth;
 786     XImage *x_image = NULL;
 787     if (GetPixmap())
 788     {
 789         x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(),
 790             0, 0,
 791             GetWidth(), GetHeight(),
 792             AllPlanes, ZPixmap );
 793     } else
 794     if (GetBitmap())
 795     {
 796         x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(),
 797             0, 0,
 798             GetWidth(), GetHeight(),
 799             AllPlanes, ZPixmap );
 800     } else
 801     {
 802         wxFAIL_MSG( wxT("Ill-formed bitmap") );
 803     }
 804
 805     wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") );
 806
 807     image.Create( GetWidth(), GetHeight() );
 808     char unsigned *data = image.GetData();
 809
 810     if (!data)
 811     {
 812         XDestroyImage( x_image );
 813         wxFAIL_MSG( wxT("couldn't create image") );
 814         return wxNullImage;
 815     }
 816
 817     XImage *x_image_mask = NULL;
 818     if (GetMask())
 819     {
 820         x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(),
 821             0, 0,
 822             GetWidth(), GetHeight(),
 823             AllPlanes, ZPixmap );
 824
 825         image.SetMaskColour( 16, 16, 16 );  // anything unlikely and dividable
 826     }
 827
 828     int red_shift_right = 0;
 829     int green_shift_right = 0;
 830     int blue_shift_right = 0;
 831     int red_shift_left = 0;
 832     int green_shift_left = 0;
 833     int blue_shift_left = 0;
 834     bool use_shift = false;
 835
 836     if (GetPixmap())
 837     {
 838         wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display);
 839
 840         red_shift_right = vi->m_visualRedShift;
 841         red_shift_left = 8 - vi->m_visualRedPrec;
 842         green_shift_right = vi->m_visualGreenShift;
 843         green_shift_left = 8 - vi->m_visualGreenPrec;
 844         blue_shift_right = vi->m_visualBlueShift;
 845         blue_shift_left = 8 - vi->m_visualBluePrec;
 846
 847         use_shift = (vi->m_visualType == GrayScale) ||
 848                     (vi->m_visualType != PseudoColor);
 849     }
 850
 851     if (GetBitmap())
 852     {
 853         bpp = 1;
 854     }
 855
 856     XColor *colors = (XColor*)wxTheApp->
 857         GetVisualInfo(M_BMPDATA->m_display)->m_visualColormap;
 858
 859     int width = GetWidth();
 860     int height = GetHeight();
 861     long pos = 0;
 862     for (int j = 0; j < height; j++)
 863     {
 864         for (int i = 0; i < width; i++)
 865         {
 866             unsigned long pixel = XGetPixel( x_image, i, j );
 867             if (bpp == 1)
 868             {
 869                 if (pixel == 0)
 870                 {
 871                     data[pos]   = 0;
 872                     data[pos+1] = 0;
 873                     data[pos+2] = 0;
 874                 }
 875                 else
 876                 {
 877                     data[pos]   = 255;
 878                     data[pos+1] = 255;
 879                     data[pos+2] = 255;
 880                 }
 881             }
 882             else if (use_shift)
 883             {
 884                 data[pos] =   (unsigned char)((pixel >> red_shift_right)   << red_shift_left);
 885                 data[pos+1] = (unsigned char)((pixel >> green_shift_right) << green_shift_left);
 886                 data[pos+2] = (unsigned char)((pixel >> blue_shift_right)  << blue_shift_left);
 887             }
 888             else if (colors)
 889             {
 890                 data[pos] =   (unsigned char)(colors[pixel].red   >> 8);
 891                 data[pos+1] = (unsigned char)(colors[pixel].green >> 8);
 892                 data[pos+2] = (unsigned char)(colors[pixel].blue  >> 8);
 893             }
 894             else
 895             {
 896                 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
 897             }
 898
 899             if (x_image_mask)
 900             {
 901                 int mask_pixel = XGetPixel( x_image_mask, i, j );
 902                 if (mask_pixel == 0)
 903                 {
 904                     data[pos] = 16;
 905                     data[pos+1] = 16;
 906                     data[pos+2] = 16;
 907                 }
 908             }
 909
 910             pos += 3;
 911         }
 912     }
 913
 914     XDestroyImage( x_image );
 915     if (x_image_mask) XDestroyImage( x_image_mask );
 916     return image;
 917 #endif
 918     // wxUSE_NANOX
 919 }
 920
 921 wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type )
 922 {
 923     LoadFile( filename, type );
 924 }
 925
 926 wxBitmap::wxBitmap( const char bits[], int width, int height, int depth )
 927 {
 928     m_refData = new wxBitmapRefData;
 929
 930     (void) Create(bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth);
 931 }
 932
 933 wxBitmap::~wxBitmap()
 934 {
 935 }
 936
 937 bool wxBitmap::IsOk() const
 938 {
 939     return (m_refData != NULL);
 940 }
 941
 942 int wxBitmap::GetHeight() const
 943 {
 944     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 945
 946     return M_BMPDATA->m_height;
 947 }
 948
 949 int wxBitmap::GetWidth() const
 950 {
 951     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 952
 953     return M_BMPDATA->m_width;
 954 }
 955
 956 int wxBitmap::GetDepth() const
 957 {
 958     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 959
 960     return M_BMPDATA->m_bpp;
 961 }
 962
 963 wxMask *wxBitmap::GetMask() const
 964 {
 965     wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 966
 967     return M_BMPDATA->m_mask;
 968 }
 969
 970 void wxBitmap::SetMask( wxMask *mask )
 971 {
 972     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 973
 974     AllocExclusive();
 975     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 976
 977     M_BMPDATA->m_mask = mask;
 978 }
 979
 980 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 981 {
 982     *this = icon;
 983     return true;
 984 }
 985
 986 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
 987 {
 988     wxCHECK_MSG( Ok() &&
 989                  (rect.x >= 0) && (rect.y >= 0) &&
 990                  (rect.x+rect.width  <= M_BMPDATA->m_width ) &&
 991                  (rect.y+rect.height <= M_BMPDATA->m_height),
 992                  wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 993
 994     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
 995     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 996
 997     if( GetMask() )
 998     {
 999         wxMask* mask = new wxMask();
1000         mask->SetDisplay( GetMask()->GetDisplay() );
1001         mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(),
1002                                          GetMask()->GetBitmap(),
1003                                          rect.x, rect.y,
1004                                          rect.width, rect.height,
1005                                          1 ) );
1006
1007         ret.SetMask( mask );
1008     }
1009
1010     if( GetPixmap() )
1011     {
1012         ret.SetPixmap( wxGetSubPixmap( GetDisplay(),
1013                                        GetPixmap(),
1014                                        rect.x, rect.y,
1015                                        rect.width, rect.height,
1016                                        M_BMPDATA->m_bpp ) );
1017     }
1018
1019     if( GetBitmap() )
1020     {
1021         ret.SetBitmap( wxGetSubPixmap( GetDisplay(),
1022                                        GetBitmap(),
1023                                        rect.x, rect.y,
1024                                        rect.width, rect.height,
1025                                        1 ) );
1026     }
1027
1028     return ret;
1029 }
1030
1031 bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type,
1032                          const wxPalette *palette ) const
1033 {
1034     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
1035
1036     wxBitmapHandler *handler = FindHandler(type);
1037
1038     // Try to save the bitmap via wxImage handlers:
1039     if (handler == NULL)
1040     {
1041         wxImage image(this->ConvertToImage());
1042         if (image.Ok()) return image.SaveFile( name, type );
1043
1044         return false;
1045     }
1046
1047     return handler->SaveFile(this, name, type, palette);
1048 }
1049
1050 bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
1051 {
1052     UnRef();
1053
1054     if (!wxFileExists(name)) return false;
1055
1056     wxBitmapHandler *handler = FindHandler(type);
1057
1058     if (handler == NULL)
1059     {
1060         wxImage image;
1061         if (!image.LoadFile( name, type ))
1062             return false;
1063
1064         if (image.Ok())
1065         {
1066             *this = wxBitmap(image);
1067             return true;
1068         }
1069         else return false;
1070     }
1071
1072     return handler->LoadFile(this, name, type, -1, -1);
1073 }
1074
1075 void wxBitmap::SetPalette(const wxPalette& palette)
1076 {
1077     wxCHECK_RET(Ok(), wxT("invalid bitmap"));
1078     wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8,
1079                 wxT("cannot set palette for bitmap of this depth"));
1080
1081     AllocExclusive();
1082     delete M_BMPDATA->m_palette;
1083     M_BMPDATA->m_palette = NULL;
1084
1085     if (!palette.Ok()) return;
1086
1087     M_BMPDATA->m_palette = new wxPalette(palette);
1088 }
1089
1090 wxPalette *wxBitmap::GetPalette() const
1091 {
1092     if (!Ok()) return (wxPalette *) NULL;
1093
1094     return M_BMPDATA->m_palette;
1095 }
1096
1097 void wxBitmap::SetHeight( int height )
1098 {
1099     AllocExclusive();
1100
1101     M_BMPDATA->m_height = height;
1102 }
1103
1104 void wxBitmap::SetWidth( int width )
1105 {
1106     AllocExclusive();
1107
1108     M_BMPDATA->m_width = width;
1109 }
1110
1111 void wxBitmap::SetDepth( int depth )
1112 {
1113     AllocExclusive();
1114
1115     M_BMPDATA->m_bpp = depth;
1116 }
1117
1118 void wxBitmap::SetPixmap( WXPixmap pixmap )
1119 {
1120     if (!m_refData) m_refData = new wxBitmapRefData();
1121
1122     M_BMPDATA->m_pixmap = (Pixmap)pixmap;
1123 }
1124
1125 void wxBitmap::SetBitmap( WXPixmap bitmap )
1126 {
1127     if (!m_refData) m_refData = new wxBitmapRefData();
1128
1129     M_BMPDATA->m_bitmap = (Pixmap)bitmap;
1130 }
1131
1132 WXPixmap wxBitmap::GetPixmap() const
1133 {
1134     wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1135
1136     return (WXPixmap)M_BMPDATA->m_pixmap;
1137 }
1138
1139 WXPixmap wxBitmap::GetBitmap() const
1140 {
1141     wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1142
1143     return (WXPixmap)M_BMPDATA->m_bitmap;
1144 }
1145
1146 WXPixmap wxBitmap::GetDrawable() const
1147 {
1148     wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1149
1150     return (WXPixmap)(M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap
1151                                             : M_BMPDATA->m_pixmap);
1152 }
1153
1154 WXDisplay *wxBitmap::GetDisplay() const
1155 {
1156     wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") );
1157
1158     return M_BMPDATA->m_display;
1159 }
1160
1161 #if wxUSE_NANOX
1162 // Copy from the drawable to the wxImage
1163 bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
1164 {
1165     GR_SCREEN_INFO sinfo;
1166     int x, y;
1167     GR_PIXELVAL *pixels;
1168     GR_PALETTE* palette = NULL;
1169     unsigned char rgb[3], *pp;
1170
1171     GrGetScreenInfo(&sinfo);
1172
1173     if (sinfo.pixtype == MWPF_PALETTE) {
1174         if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
1175             return false;
1176         }
1177         GrGetSystemPalette(palette);
1178     }
1179
1180     if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
1181     {
1182         return false;
1183     }
1184
1185     image.Create(width, height);
1186
1187     GrReadArea(drawable, srcX, srcY, width, height,
1188             pixels);
1189
1190
1191     for(x = 0; x < sinfo.cols; x++) {
1192
1193         pp = (unsigned char *)pixels +
1194             ((x + (y * sinfo.cols)) *
1195              sizeof(GR_PIXELVAL));
1196
1197         switch(sinfo.pixtype) {
1198             /* FIXME: These may need modifying on big endian. */
1199             case MWPF_TRUECOLOR0888:
1200             case MWPF_TRUECOLOR888:
1201                 rgb[0] = pp[2];
1202                 rgb[1] = pp[1];
1203                 rgb[2] = pp[0];
1204                 break;
1205             case MWPF_PALETTE:
1206                 rgb[0] = palette->palette[pp[0]].r;
1207                 rgb[1] = palette->palette[pp[0]].g;
1208                 rgb[2] = palette->palette[pp[0]].b;
1209                 break;
1210             case MWPF_TRUECOLOR565:
1211                 rgb[0] = pp[1] & 0xf8;
1212                 rgb[1] = ((pp[1] & 0x07) << 5) |
1213                     ((pp[0] & 0xe0) >> 3);
1214                 rgb[2] = (pp[0] & 0x1f) << 3;
1215                 break;
1216             case MWPF_TRUECOLOR555:
1217                 rgb[0] = (pp[1] & 0x7c) << 1;
1218                 rgb[1] = ((pp[1] & 0x03) << 6) |
1219                     ((pp[0] & 0xe0) >> 2);
1220                 rgb[2] = (pp[0] & 0x1f) << 3;
1221                 break;
1222             case MWPF_TRUECOLOR332:
1223                 rgb[0] = pp[0] & 0xe0;
1224                 rgb[1] = (pp[0] & 0x1c) << 3;
1225                 rgb[2] = (pp[0] & 0x03) << 6;
1226                 break;
1227             default:
1228                 fprintf(stderr, "Unsupported pixel "
1229                         "format\n");
1230                 return 1;
1231         }
1232
1233         image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
1234
1235     }
1236
1237     free(pixels);
1238     if(palette) free(palette);
1239
1240     return true;
1241 }
1242
1243 #if 0
1244 int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel,
1245     unsigned char* red, unsigned char* green, unsigned char* blue)
1246 {
1247     unsigned char rgb[3], *pp;
1248
1249     pp = (unsigned char*) & pixel ;
1250
1251     switch (sinfo.pixtype)
1252     {
1253         /* FIXME: These may need modifying on big endian. */
1254         case MWPF_TRUECOLOR0888:
1255         case MWPF_TRUECOLOR888:
1256             rgb[0] = pp[2];
1257             rgb[1] = pp[1];
1258             rgb[2] = pp[0];
1259             break;
1260         case MWPF_PALETTE:
1261             rgb[0] = palette->palette[pp[0]].r;
1262             rgb[1] = palette->palette[pp[0]].g;
1263             rgb[2] = palette->palette[pp[0]].b;
1264             break;
1265         case MWPF_TRUECOLOR565:
1266             rgb[0] = pp[1] & 0xf8;
1267             rgb[1] = ((pp[1] & 0x07) << 5) |
1268                 ((pp[0] & 0xe0) >> 3);
1269             rgb[2] = (pp[0] & 0x1f) << 3;
1270             break;
1271         case MWPF_TRUECOLOR555:
1272             rgb[0] = (pp[1] & 0x7c) << 1;
1273             rgb[1] = ((pp[1] & 0x03) << 6) |
1274                 ((pp[0] & 0xe0) >> 2);
1275             rgb[2] = (pp[0] & 0x1f) << 3;
1276             break;
1277         case MWPF_TRUECOLOR332:
1278             rgb[0] = pp[0] & 0xe0;
1279             rgb[1] = (pp[0] & 0x1c) << 3;
1280             rgb[2] = (pp[0] & 0x03) << 6;
1281             break;
1282         default:
1283             fprintf(stderr, "Unsupported pixel format\n");
1284             return 0;
1285     }
1286
1287
1288     *(red) = rgb[0];
1289     *(green) = rgb[1];
1290     *(blue) = rgb[2];
1291     return 1;
1292 }
1293 #endif
1294
1295 #endif
1296   // wxUSE_NANOX
1297
1298 // ============================================================================
1299 // Bitmap handlers
1300 // ============================================================================
1301
1302 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
1303
1304 #define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData())
1305
1306 #if wxUSE_XPM
1307
1308 #if wxHAVE_LIB_XPM || wxUSE_STREAMS
1309
1310 // ----------------------------------------------------------------------------
1311 // wxXPMFileHandler
1312 // ----------------------------------------------------------------------------
1313
1314 class wxXPMFileHandler : public wxBitmapHandler
1315 {
1316     DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
1317 public:
1318     wxXPMFileHandler()
1319     {
1320         SetName( wxT("XPM file") );
1321         SetExtension( wxT("xpm") );
1322         SetType( wxBITMAP_TYPE_XPM );
1323     };
1324
1325     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1326                           int desiredWidth, int desiredHeight);
1327
1328     virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
1329                           int type, const wxPalette *palette = NULL);
1330
1331     virtual bool Create(wxBitmap *WXUNUSED(bitmap), const void* WXUNUSED(data), long WXUNUSED(flags),
1332                         int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth) = 1)
1333         { return false; }
1334 };
1335
1336 IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
1337
1338 bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name,
1339                                 long WXUNUSED(flags), int WXUNUSED(desiredWidth),
1340                                 int WXUNUSED(desiredHeight))
1341 {
1342 #if wxHAVE_LIB_XPM
1343     if (!bitmap->GetRefData())
1344         bitmap->SetRefData( new wxBitmapRefData() );
1345
1346     M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1347
1348     Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1349
1350     int xscreen = DefaultScreen( xdisplay );
1351     Window xroot = RootWindow( xdisplay, xscreen );
1352
1353     int bpp = DefaultDepth( xdisplay, xscreen );
1354
1355     XpmAttributes xpmAttr;
1356     xpmAttr.valuemask = XpmReturnInfos;    // nothing yet, but get infos back
1357
1358     Pixmap pixmap;
1359     Pixmap mask = 0;
1360
1361     int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot,
1362                                            (char*) ((const char*) name.c_str()),
1363                                            &pixmap, &mask, &xpmAttr);
1364
1365     if (ErrorStatus == XpmSuccess)
1366     {
1367         M_BMPHANDLERDATA->m_width = xpmAttr.width;
1368         M_BMPHANDLERDATA->m_height = xpmAttr.height;
1369
1370         M_BMPHANDLERDATA->m_bpp = bpp;  // mono as well?
1371
1372         XpmFreeAttributes(&xpmAttr);
1373
1374         M_BMPHANDLERDATA->m_bitmap = (Pixmap) pixmap;
1375
1376         if (mask)
1377         {
1378             M_BMPHANDLERDATA->m_mask = new wxMask;
1379             M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1380             M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1381         }
1382     }
1383     else
1384     {
1385         UnRef();
1386
1387         return false;
1388     }
1389
1390     return true;
1391 #elif wxUSE_STREAMS
1392     wxXPMDecoder decoder;
1393     wxFileInputStream stream(name);
1394     if (stream.Ok())
1395     {
1396         wxImage image(decoder.ReadFile(stream));
1397         return image.Ok() && bitmap->CreateFromImage(image);
1398     }
1399
1400     return false;
1401 #else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS
1402     return false;
1403 #endif // wxHAVE_LIB_XPM / wxUSE_STREAMS
1404 }
1405
1406 bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name,
1407                                 int type,
1408                                 const wxPalette *WXUNUSED(palette))
1409 {
1410     wxImage image(bitmap->ConvertToImage());
1411     if (image.Ok()) return image.SaveFile( name, (wxBitmapType)type );
1412
1413     return false;
1414 }
1415
1416 #endif // wxHAVE_LIB_XPM || wxUSE_STREAMS
1417
1418 // ----------------------------------------------------------------------------
1419 // wxXPMDataHandler
1420 // ----------------------------------------------------------------------------
1421
1422 class wxXPMDataHandler : public wxBitmapHandler
1423 {
1424     DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
1425 public:
1426     wxXPMDataHandler()
1427     {
1428         SetName( wxT("XPM data") );
1429         SetExtension( wxT("xpm") );
1430         SetType( wxBITMAP_TYPE_XPM_DATA );
1431     };
1432
1433     virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1434                           const wxString& WXUNUSED(name),
1435                           long WXUNUSED(flags),
1436                           int WXUNUSED(desiredWidth),
1437                           int WXUNUSED(desiredHeight))
1438         { return false; }
1439
1440     virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1441                           const wxString& WXUNUSED(name),
1442                           int WXUNUSED(type),
1443                           const wxPalette *WXUNUSED(palette) = NULL)
1444         { return false; }
1445
1446     virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1447                         int width, int height, int depth = 1);
1448 };
1449
1450 IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
1451
1452 bool wxXPMDataHandler::Create(wxBitmap *bitmap, const void* bits,
1453                               long WXUNUSED(flags),
1454                               int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth))
1455 {
1456 #if wxHAVE_LIB_XPM
1457     wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
1458
1459     if (!bitmap->GetRefData())
1460         bitmap->SetRefData( new wxBitmapRefData() );
1461
1462     M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1463
1464     Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1465
1466     int xscreen = DefaultScreen( xdisplay );
1467     Window xroot = RootWindow( xdisplay, xscreen );
1468
1469     int bpp = DefaultDepth( xdisplay, xscreen );
1470
1471     XpmAttributes xpmAttr;
1472     xpmAttr.valuemask = XpmReturnInfos;    // nothing yet, but get infos back
1473
1474     Pixmap pixmap = 0;
1475     Pixmap mask = 0;
1476
1477     int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits,
1478                                                &pixmap, &mask, &xpmAttr );
1479
1480     if (ErrorStatus == XpmSuccess)
1481     {
1482         M_BMPHANDLERDATA->m_width = xpmAttr.width;
1483         M_BMPHANDLERDATA->m_height = xpmAttr.height;
1484
1485         M_BMPHANDLERDATA->m_bpp = bpp;  // mono as well?
1486
1487 #if __WXDEBUG__
1488         unsigned int depthRet;
1489         int xRet, yRet;
1490         unsigned int widthRet, heightRet, borderWidthRet;
1491         XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet,
1492             &widthRet, &heightRet, &borderWidthRet, &depthRet);
1493
1494         wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") );
1495 #endif
1496
1497         XpmFreeAttributes(&xpmAttr);
1498
1499         M_BMPHANDLERDATA->m_pixmap = (Pixmap) pixmap;
1500
1501         if (mask)
1502         {
1503             M_BMPHANDLERDATA->m_mask = new wxMask;
1504             M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask );
1505             M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay );
1506         }
1507         return true;
1508     }
1509     else
1510     {
1511         bitmap->UnRef();
1512
1513         return false;
1514     }
1515 #else // !wxHAVE_LIB_XPM
1516     wxXPMDecoder decoder;
1517     wxImage image(decoder.ReadData((const char **)bits));
1518     return image.Ok() && bitmap->CreateFromImage(image);
1519 #endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM
1520 }
1521
1522 #endif // wxUSE_XPM
1523
1524 // ----------------------------------------------------------------------------
1525 // wxXBMDataHandler
1526 // ----------------------------------------------------------------------------
1527
1528 class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler
1529 {
1530     DECLARE_DYNAMIC_CLASS(wxXBMDataHandler)
1531 public:
1532     inline wxXBMDataHandler()
1533     {
1534         SetName( wxT("XBM data") );
1535         SetExtension( wxT("xbm") );
1536         SetType( wxBITMAP_TYPE_XBM_DATA );
1537     };
1538
1539     virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap),
1540                           const wxString& WXUNUSED(name),
1541                           long WXUNUSED(flags),
1542                           int WXUNUSED(desiredWidth),
1543                           int WXUNUSED(desiredHeight))
1544         { return false; }
1545
1546     virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap),
1547                           const wxString& WXUNUSED(name),
1548                           int WXUNUSED(type),
1549                           const wxPalette *WXUNUSED(palette) = NULL)
1550         { return false; }
1551
1552     virtual bool Create(wxBitmap *bitmap, const void* data, long flags,
1553                         int width, int height, int depth = 1);
1554 };
1555
1556 IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler)
1557
1558 bool wxXBMDataHandler::Create( wxBitmap *bitmap, const void* bits,
1559                                long WXUNUSED(flags),
1560                                int width, int height, int WXUNUSED(depth))
1561 {
1562 #if !wxUSE_NANOX
1563     if (!bitmap->GetRefData())
1564         bitmap->SetRefData( new wxBitmapRefData() );
1565
1566     M_BMPHANDLERDATA->m_display = wxGlobalDisplay();
1567
1568     Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display;
1569
1570     int xscreen = DefaultScreen( xdisplay );
1571     Window xroot = RootWindow( xdisplay, xscreen );
1572
1573     M_BMPHANDLERDATA->m_mask = (wxMask *) NULL;
1574     M_BMPHANDLERDATA->m_bitmap =
1575         XCreateBitmapFromData(xdisplay, xroot,
1576                               (char *) bits, width, height );
1577     M_BMPHANDLERDATA->m_width = width;
1578     M_BMPHANDLERDATA->m_height = height;
1579     M_BMPHANDLERDATA->m_bpp = 1;
1580
1581     return true;
1582 #else
1583    wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, false,
1584                  wxT("couldn't create bitmap") );
1585 #endif
1586 }
1587
1588 void wxBitmap::InitStandardHandlers()
1589 {
1590     AddHandler(new wxXBMDataHandler);
1591 #if wxUSE_XPM
1592 #if wxHAVE_LIB_XPM || wxUSE_STREAMS
1593     AddHandler(new wxXPMFileHandler);
1594 #endif
1595     AddHandler(new wxXPMDataHandler);
1596 #endif
1597 }