src/x11/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "bitmap.h"
  14 #endif
  15
  16 #include "wx/bitmap.h"
  17 #include "wx/icon.h"
  18 #include "wx/log.h"
  19 #include "wx/image.h"
  20 #include "wx/app.h"
  21 #if wxUSE_NANOX
  22 #include "wx/dcmemory.h"
  23 #endif
  24
  25 #include "wx/x11/private.h"
  26
  27 /* No point in using libXPM for NanoX */
  28 #if wxUSE_NANOX
  29 #undef wxHAVE_LIB_XPM
  30 #define wxHAVE_LIB_XPM 0
  31
  32 // Copy from the drawable to the wxImage
  33 bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image);
  34 #endif
  35
  36 #if wxUSE_XPM
  37 #if wxHAVE_LIB_XPM
  38 #include <X11/xpm.h>
  39 #else
  40 #include "wx/xpmdecod.h"
  41 #include "wx/wfstream.h"
  42 #endif
  43 #endif
  44 #include <math.h>
  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 );
  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->m_visualDepth;
 118
 119     if (bpp == 15)
 120     {
 121         red = red & 0xf8;
 122         green = green & 0xf8;
 123         blue = blue & 0xf8;
 124     } else
 125     if (bpp == 16)
 126     {
 127         red = red & 0xf8;
 128         green = green & 0xfc;
 129         blue = blue & 0xf8;
 130     } else
 131     if (bpp == 12)
 132     {
 133         red = red & 0xf0;
 134         green = green & 0xf0;
 135         blue = 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();
 235
 236     WXPixmap        m_pixmap;
 237     WXPixmap        m_bitmap;
 238     WXDisplay      *m_display;
 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 = NULL;
 249     m_bitmap = NULL;
 250     m_display = 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) XFreePixmap( (Display*) m_display, (Pixmap) m_pixmap );
 261     if (m_bitmap) XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap );
 262     if (m_mask) delete m_mask;
 263     if (m_palette) delete m_palette;
 264 }
 265
 266 //-----------------------------------------------------------------------------
 267
 268 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 269
 270 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 271
 272 wxBitmap::wxBitmap()
 273 {
 274 }
 275
 276 wxBitmap::wxBitmap( int width, int height, int depth )
 277 {
 278     Create( width, height, depth );
 279 }
 280
 281 bool wxBitmap::Create( int width, int height, int depth )
 282 {
 283     UnRef();
 284
 285     wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )
 286
 287     m_refData = new wxBitmapRefData();
 288
 289     M_BMPDATA->m_display = wxGlobalDisplay();
 290
 291     wxASSERT_MSG( M_BMPDATA->m_display, wxT("No display") );
 292
 293     int xscreen = DefaultScreen( (Display*) M_BMPDATA->m_display );
 294     Window xroot = RootWindow( (Display*) M_BMPDATA->m_display, xscreen );
 295
 296     int bpp = DefaultDepth( (Display*) M_BMPDATA->m_display, xscreen );
 297     if (depth == -1) depth = bpp;
 298
 299     wxCHECK_MSG( (depth == bpp) ||
 300                  (depth == 1), FALSE, wxT("invalid bitmap depth") )
 301
 302     M_BMPDATA->m_mask = (wxMask *) NULL;
 303     M_BMPDATA->m_width = width;
 304     M_BMPDATA->m_height = height;
 305
 306 #if wxUSE_NANOX
 307     M_BMPDATA->m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL);
 308     M_BMPDATA->m_bpp = bpp;
 309
 310     wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Bitmap creation failed") );
 311 #else
 312     if (depth == 1)
 313     {
 314         M_BMPDATA->m_bitmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, 1 );
 315
 316         wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("Bitmap creation failed") );
 317
 318         M_BMPDATA->m_bpp = 1;
 319     }
 320     else
 321     {
 322         M_BMPDATA->m_pixmap = (WXPixmap) XCreatePixmap( (Display*) M_BMPDATA->m_display, xroot, width, height, depth );
 323
 324         wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Pixmap creation failed") );
 325
 326         M_BMPDATA->m_bpp = depth;
 327     }
 328 #endif
 329     return Ok();
 330 }
 331
 332 bool wxBitmap::CreateFromXpm( const char **bits )
 333 {
 334 #if wxUSE_XPM
 335 #if wxHAVE_LIB_XPM
 336     UnRef();
 337
 338     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 339
 340     m_refData = new wxBitmapRefData();
 341
 342     M_BMPDATA->m_display = wxGlobalDisplay();
 343
 344     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 345
 346     int xscreen = DefaultScreen( xdisplay );
 347     Window xroot = RootWindow( xdisplay, xscreen );
 348
 349     int bpp = DefaultDepth( xdisplay, xscreen );
 350
 351     XpmAttributes xpmAttr;
 352     xpmAttr.valuemask = XpmReturnInfos;    // nothing yet, but get infos back
 353
 354     Pixmap pixmap;
 355     Pixmap mask = 0;
 356
 357     int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits, &pixmap, &mask, &xpmAttr );
 358
 359     if (ErrorStatus == XpmSuccess)
 360     {
 361         M_BMPDATA->m_width = xpmAttr.width;
 362         M_BMPDATA->m_height = xpmAttr.height;
 363
 364         M_BMPDATA->m_bpp = bpp;  // mono as well?
 365
 366 #if __WXDEBUG__
 367         unsigned int depthRet;
 368         int xRet, yRet;
 369         unsigned int widthRet, heightRet, borderWidthRet;
 370         XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet,
 371             &widthRet, &heightRet, &borderWidthRet, &depthRet);
 372
 373         wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") )
 374 #endif
 375
 376         XpmFreeAttributes(&xpmAttr);
 377
 378         M_BMPDATA->m_pixmap = (WXPixmap) pixmap;
 379
 380         if (mask)
 381         {
 382             M_BMPDATA->m_mask = new wxMask;
 383             M_BMPDATA->m_mask->SetBitmap( (WXPixmap) mask );
 384             M_BMPDATA->m_mask->SetDisplay( xdisplay );
 385         }
 386         return TRUE;
 387     }
 388     else
 389     {
 390         UnRef();
 391
 392         return FALSE;
 393     }
 394 #else
 395     wxXPMDecoder decoder;
 396     wxImage image(decoder.ReadData(bits));
 397     if (image.Ok())
 398         return CreateFromImage(image);
 399     else
 400         return FALSE;
 401 #endif
 402 #endif
 403     return FALSE;
 404 }
 405
 406 bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
 407 {
 408 #if wxUSE_NANOX
 409     if (!image.Ok())
 410     {
 411         wxASSERT_MSG(image.Ok(), "Invalid wxImage passed to wxBitmap::CreateFromImage.");
 412         return FALSE;
 413     }
 414
 415     int w = image.GetWidth();
 416     int h = image.GetHeight();
 417
 418     if (!Create(w, h, depth))
 419         return FALSE;
 420
 421     // Unfortunately the mask has to be screen-depth since
 422     // 1-bpp bitmaps don't seem to be supported
 423     // TODO: implement transparent drawing, presumably
 424     // by doing several blits as per the Windows
 425     // implementation because Nano-X doesn't support
 426     // XSetClipMask.
 427     // TODO: could perhaps speed this function up
 428     // by making a buffer of pixel values,
 429     // and then calling GrArea to write that to the
 430     // pixmap. See demos/nxroach.c.
 431
 432     bool hasMask = image.HasMask();
 433
 434     GC pixmapGC = GrNewGC();
 435     Pixmap pixmap = (Pixmap) GetPixmap();
 436
 437     GC maskGC = 0;
 438     Pixmap maskPixmap = 0;
 439
 440     unsigned char maskR = 0;
 441     unsigned char maskG = 0;
 442     unsigned char maskB = 0;
 443
 444     if (hasMask)
 445     {
 446         maskR = image.GetMaskRed();
 447         maskG = image.GetMaskGreen();
 448         maskB = image.GetMaskBlue();
 449
 450         maskGC = GrNewGC();
 451         maskPixmap = GrNewPixmap(w, h, 0);
 452         if (!maskPixmap)
 453             hasMask = FALSE;
 454         else
 455         {
 456             wxMask* mask = new wxMask;
 457             mask->SetBitmap((WXPixmap) maskPixmap);
 458             SetMask(mask);
 459         }
 460     }
 461
 462     GR_COLOR lastPixmapColour = 0;
 463     GR_COLOR lastMaskColour = 0;
 464
 465     int i, j;
 466     for (i = 0; i < w; i++)
 467     {
 468         for (j = 0; j < h; j++)
 469         {
 470             unsigned char red = image.GetRed(i, j);
 471             unsigned char green = image.GetGreen(i, j);
 472             unsigned char blue = image.GetBlue(i, j);
 473
 474             GR_COLOR colour = GR_RGB(red, green, blue);
 475
 476             // Efficiency measure
 477             if (colour != lastPixmapColour || (i == 0 && j == 0))
 478             {
 479                 GrSetGCForeground(pixmapGC, colour);
 480                 lastPixmapColour = colour;
 481             }
 482
 483             GrPoint(pixmap, pixmapGC, i, j);
 484
 485             if (hasMask)
 486             {
 487                 // scan the bitmap for the transparent colour and set the corresponding
 488                 // pixels in the mask to BLACK and the rest to WHITE
 489                 if (maskR == red && maskG == green && maskB == blue)
 490                 {
 491                     colour = GR_RGB(0, 0, 0);
 492                 }
 493                 else
 494                 {
 495                     colour = GR_RGB(255, 255, 255);
 496                 }
 497                 if (colour != lastMaskColour || (i == 0 && j == 0))
 498                 {
 499                     GrSetGCForeground(maskGC, colour);
 500                     lastMaskColour = colour;
 501                 }
 502                 GrPoint(maskPixmap, maskGC, i, j);
 503             }
 504         }
 505     }
 506
 507     GrDestroyGC(pixmapGC);
 508     if (hasMask)
 509         GrDestroyGC(maskGC);
 510
 511     return TRUE;
 512 #else
 513     // !wxUSE_NANOX
 514
 515     UnRef();
 516
 517     wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
 518     wxCHECK_MSG( depth == -1, FALSE, wxT("invalid bitmap depth") )
 519
 520     m_refData = new wxBitmapRefData();
 521
 522     M_BMPDATA->m_display = wxGlobalDisplay();
 523
 524     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 525
 526     int xscreen = DefaultScreen( xdisplay );
 527     Window xroot = RootWindow( xdisplay, xscreen );
 528     Visual* xvisual = DefaultVisual( xdisplay, xscreen );
 529
 530     int bpp = wxTheApp->m_visualDepth;
 531
 532     int width = image.GetWidth();
 533     int height = image.GetHeight();
 534     M_BMPDATA->m_width = width;
 535     M_BMPDATA->m_height = height;
 536
 537     if (depth != 1) depth = bpp;
 538     M_BMPDATA->m_bpp = depth;
 539
 540     if (depth == 1)
 541     {
 542         wxFAIL_MSG( "mono images later" );
 543     }
 544     else
 545     {
 546         // Create image
 547
 548         XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
 549         data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
 550
 551         if (data_image->data == NULL)
 552         {
 553             wxLogError( wxT("Out of memory.") );  // TODO clean
 554             return FALSE;
 555         }
 556
 557         M_BMPDATA->m_pixmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, depth );
 558
 559         // Create mask
 560
 561         XImage *mask_image = (XImage*) NULL;
 562         if (image.HasMask())
 563         {
 564             mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 );
 565             mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height );
 566
 567             if (mask_image->data == NULL)
 568             {
 569                 wxLogError( wxT("Out of memory.") ); // TODO clean
 570                 return FALSE;
 571             }
 572
 573             wxMask *mask = new wxMask();
 574             mask->SetDisplay( xdisplay );
 575             mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) );
 576
 577             SetMask( mask );
 578         }
 579
 580         if (bpp < 8) bpp = 8;
 581
 582         // Render
 583
 584         enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
 585         byte_order b_o = RGB;
 586
 587         if (bpp > 8)
 588         {
 589             if ((wxTheApp->m_visualRedMask > wxTheApp->m_visualGreenMask) && (wxTheApp->m_visualGreenMask > wxTheApp->m_visualBlueMask))      b_o = RGB;
 590             else if ((wxTheApp->m_visualRedMask > wxTheApp->m_visualBlueMask) && (wxTheApp->m_visualBlueMask > wxTheApp->m_visualGreenMask))  b_o = RBG;
 591             else if ((wxTheApp->m_visualBlueMask > wxTheApp->m_visualRedMask) && (wxTheApp->m_visualRedMask > wxTheApp->m_visualGreenMask))   b_o = BRG;
 592             else if ((wxTheApp->m_visualBlueMask > wxTheApp->m_visualGreenMask) && (wxTheApp->m_visualGreenMask > wxTheApp->m_visualRedMask)) b_o = BGR;
 593             else if ((wxTheApp->m_visualGreenMask > wxTheApp->m_visualRedMask) && (wxTheApp->m_visualRedMask > wxTheApp->m_visualBlueMask))   b_o = GRB;
 594             else if ((wxTheApp->m_visualGreenMask > wxTheApp->m_visualBlueMask) && (wxTheApp->m_visualBlueMask > wxTheApp->m_visualRedMask))  b_o = GBR;
 595         }
 596
 597         int r_mask = image.GetMaskRed();
 598         int g_mask = image.GetMaskGreen();
 599         int b_mask = image.GetMaskBlue();
 600
 601         unsigned char* data = image.GetData();
 602         wxASSERT_MSG( data, "No image data" );
 603
 604         unsigned char *colorCube = wxTheApp->m_colorCube;
 605
 606         bool hasMask = image.HasMask();
 607
 608         int index = 0;
 609         for (int y = 0; y < height; y++)
 610         {
 611             for (int x = 0; x < width; x++)
 612             {
 613                 int r = data[index];
 614                 index++;
 615                 int g = data[index];
 616                 index++;
 617                 int b = data[index];
 618                 index++;
 619
 620                 if (hasMask)
 621                 {
 622                     if ((r == r_mask) && (b == b_mask) && (g == g_mask))
 623                         XPutPixel( mask_image, x, y, 0 );
 624                     else
 625                         XPutPixel( mask_image, x, y, 1 );
 626                 }
 627
 628                 switch (bpp)
 629                 {
 630                     case 8:
 631                     {
 632                         int pixel = 0;
 633                         pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
 634                         XPutPixel( data_image, x, y, pixel );
 635                         break;
 636                     }
 637                     case 12:  // SGI only
 638                     {
 639                         int pixel = 0;
 640                         switch (b_o)
 641                         {
 642                             case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
 643                             case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
 644                             case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
 645                             case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
 646                             case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
 647                             case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
 648                         }
 649                         XPutPixel( data_image, x, y, pixel );
 650                         break;
 651                     }
 652                     case 15:
 653                     {
 654                         int pixel = 0;
 655                         switch (b_o)
 656                         {
 657                             case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 658                             case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 659                             case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
 660                             case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 661                             case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
 662                             case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
 663                         }
 664                         XPutPixel( data_image, x, y, pixel );
 665                         break;
 666                     }
 667                     case 16:
 668                     {
 669                         // I actually don't know if for 16-bit displays, it is alway the green
 670                         // component or the second component which has 6 bits.
 671                         int pixel = 0;
 672                         switch (b_o)
 673                         {
 674                             case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 675                             case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 676                             case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
 677                             case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 678                             case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
 679                             case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
 680                         }
 681                         XPutPixel( data_image, x, y, pixel );
 682                         break;
 683                     }
 684                     case 32:
 685                     case 24:
 686                     {
 687                         int pixel = 0;
 688                         switch (b_o)
 689                         {
 690                             case RGB: pixel = (r << 16) | (g << 8) | b; break;
 691                             case RBG: pixel = (r << 16) | (b << 8) | g; break;
 692                             case BRG: pixel = (b << 16) | (r << 8) | g; break;
 693                             case BGR: pixel = (b << 16) | (g << 8) | r; break;
 694                             case GRB: pixel = (g << 16) | (r << 8) | b; break;
 695                             case GBR: pixel = (g << 16) | (b << 8) | r; break;
 696                         }
 697                         XPutPixel( data_image, x, y, pixel );
 698                     }
 699                     default: break;
 700                 }
 701             } // for
 702         }  // for
 703
 704         // Blit picture
 705
 706         GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL );
 707         XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height );
 708         XDestroyImage( data_image );
 709         XFreeGC( xdisplay, gc );
 710
 711         // Blit mask
 712
 713         if (image.HasMask())
 714         {
 715             GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL );
 716             XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height );
 717
 718             XDestroyImage( mask_image );
 719             XFreeGC( xdisplay, gc );
 720         }
 721     }
 722
 723     return TRUE;
 724 #endif
 725     // wxUSE_NANOX
 726 }
 727
 728 wxImage wxBitmap::ConvertToImage() const
 729 {
 730     wxImage image;
 731
 732     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 733
 734     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 735     wxASSERT_MSG( xdisplay, wxT("No display") );
 736
 737     int bpp = wxTheApp->m_visualDepth;
 738
 739 #if wxUSE_NANOX
 740     wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image);
 741     return image;
 742 #else
 743     // !wxUSE_NANOX
 744     XImage *x_image = NULL;
 745     if (GetPixmap())
 746     {
 747         x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(),
 748             0, 0,
 749             GetWidth(), GetHeight(),
 750             AllPlanes, ZPixmap );
 751     } else
 752     if (GetBitmap())
 753     {
 754         x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(),
 755             0, 0,
 756             GetWidth(), GetHeight(),
 757             AllPlanes, ZPixmap );
 758     } else
 759     {
 760         wxFAIL_MSG( wxT("Ill-formed bitmap") );
 761     }
 762
 763     wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") );
 764
 765     image.Create( GetWidth(), GetHeight() );
 766     char unsigned *data = image.GetData();
 767
 768     if (!data)
 769     {
 770         XDestroyImage( x_image );
 771         wxFAIL_MSG( wxT("couldn't create image") );
 772         return wxNullImage;
 773     }
 774
 775     XImage *x_image_mask = NULL;
 776     if (GetMask())
 777     {
 778         x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(),
 779             0, 0,
 780             GetWidth(), GetHeight(),
 781             AllPlanes, ZPixmap );
 782
 783         image.SetMaskColour( 16, 16, 16 );  // anything unlikely and dividable
 784     }
 785
 786     int red_shift_right = 0;
 787     int green_shift_right = 0;
 788     int blue_shift_right = 0;
 789     int red_shift_left = 0;
 790     int green_shift_left = 0;
 791     int blue_shift_left = 0;
 792     bool use_shift = FALSE;
 793
 794     if (GetPixmap())
 795     {
 796         red_shift_right = wxTheApp->m_visualRedShift;
 797         red_shift_left = 8-wxTheApp->m_visualRedPrec;
 798         green_shift_right = wxTheApp->m_visualGreenShift;
 799         green_shift_left = 8-wxTheApp->m_visualGreenPrec;
 800         blue_shift_right = wxTheApp->m_visualBlueShift;
 801         blue_shift_left = 8-wxTheApp->m_visualBluePrec;
 802
 803         use_shift = (wxTheApp->m_visualType == GrayScale) || (wxTheApp->m_visualType != PseudoColor);
 804     }
 805
 806     if (GetBitmap())
 807     {
 808         bpp = 1;
 809     }
 810
 811     XColor *colors = (XColor*) wxTheApp->m_visualColormap;
 812
 813     int width = GetWidth();
 814     int height = GetHeight();
 815     long pos = 0;
 816     for (int j = 0; j < height; j++)
 817     {
 818         for (int i = 0; i < width; i++)
 819         {
 820             unsigned long pixel = XGetPixel( x_image, i, j );
 821             if (bpp == 1)
 822             {
 823                 if (pixel == 0)
 824                 {
 825                     data[pos]   = 0;
 826                     data[pos+1] = 0;
 827                     data[pos+2] = 0;
 828                 }
 829                 else
 830                 {
 831                     data[pos]   = 255;
 832                     data[pos+1] = 255;
 833                     data[pos+2] = 255;
 834                 }
 835             }
 836             else if (use_shift)
 837             {
 838                 data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
 839                 data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
 840                 data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;
 841             }
 842             else if (colors)
 843             {
 844                 data[pos] =   colors[pixel].red   >> 8;
 845                 data[pos+1] = colors[pixel].green >> 8;
 846                 data[pos+2] = colors[pixel].blue  >> 8;
 847             }
 848             else
 849             {
 850                 wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
 851             }
 852
 853             if (x_image_mask)
 854             {
 855                 int mask_pixel = XGetPixel( x_image_mask, i, j );
 856                 if (mask_pixel == 0)
 857                 {
 858                     data[pos] = 16;
 859                     data[pos+1] = 16;
 860                     data[pos+2] = 16;
 861                 }
 862             }
 863
 864             pos += 3;
 865         }
 866     }
 867
 868     XDestroyImage( x_image );
 869     if (x_image_mask) XDestroyImage( x_image_mask );
 870     return image;
 871 #endif
 872     // wxUSE_NANOX
 873 }
 874
 875 wxBitmap::wxBitmap( const wxBitmap& bmp )
 876 {
 877     Ref( bmp );
 878 }
 879
 880 wxBitmap::wxBitmap( const wxString &filename, int type )
 881 {
 882     LoadFile( filename, type );
 883 }
 884
 885 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth) )
 886 {
 887 #if !wxUSE_NANOX
 888     m_refData = new wxBitmapRefData();
 889
 890     M_BMPDATA->m_display = wxGlobalDisplay();
 891
 892     Display *xdisplay = (Display*) M_BMPDATA->m_display;
 893
 894     int xscreen = DefaultScreen( xdisplay );
 895     Window xroot = RootWindow( xdisplay, xscreen );
 896
 897     M_BMPDATA->m_mask = (wxMask *) NULL;
 898     M_BMPDATA->m_bitmap = (WXPixmap) XCreateBitmapFromData( xdisplay, xroot, (char *) bits, width, height );
 899     M_BMPDATA->m_width = width;
 900     M_BMPDATA->m_height = height;
 901     M_BMPDATA->m_bpp = 1;
 902 #endif
 903     wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
 904 }
 905
 906 wxBitmap::~wxBitmap()
 907 {
 908 }
 909
 910 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
 911 {
 912     if ( m_refData != bmp.m_refData )
 913         Ref( bmp );
 914
 915     return *this;
 916 }
 917
 918 bool wxBitmap::operator == ( const wxBitmap& bmp ) const
 919 {
 920     return m_refData == bmp.m_refData;
 921 }
 922
 923 bool wxBitmap::operator != ( const wxBitmap& bmp ) const
 924 {
 925     return m_refData != bmp.m_refData;
 926 }
 927
 928 bool wxBitmap::Ok() const
 929 {
 930     return (m_refData != NULL);
 931 }
 932
 933 int wxBitmap::GetHeight() const
 934 {
 935     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 936
 937     return M_BMPDATA->m_height;
 938 }
 939
 940 int wxBitmap::GetWidth() const
 941 {
 942     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 943
 944     return M_BMPDATA->m_width;
 945 }
 946
 947 int wxBitmap::GetDepth() const
 948 {
 949     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 950
 951     return M_BMPDATA->m_bpp;
 952 }
 953
 954 wxMask *wxBitmap::GetMask() const
 955 {
 956     wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 957
 958     return M_BMPDATA->m_mask;
 959 }
 960
 961 void wxBitmap::SetMask( wxMask *mask )
 962 {
 963     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 964
 965     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 966
 967     M_BMPDATA->m_mask = mask;
 968 }
 969
 970 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 971 {
 972     *this = icon;
 973     return TRUE;
 974 }
 975
 976 wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
 977 {
 978     wxCHECK_MSG( Ok() &&
 979                  (rect.x >= 0) && (rect.y >= 0) &&
 980                  (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
 981                  wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 982
 983     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
 984     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 985
 986
 987     wxFAIL_MSG( "wxBitmap::GetSubBitmap not yet implemented" );
 988
 989 #if 0
 990     if (ret.GetPixmap())
 991     {
 992         GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
 993         gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
 994         gdk_gc_destroy( gc );
 995     }
 996     else
 997     {
 998         GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
 999         gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
1000         gdk_gc_destroy( gc );
1001     }
1002
1003     if (GetMask())
1004     {
1005         wxMask *mask = new wxMask;
1006         mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
1007
1008         GdkGC *gc = gdk_gc_new( mask->m_bitmap );
1009         gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
1010         gdk_gc_destroy( gc );
1011
1012         ret.SetMask( mask );
1013     }
1014 #endif
1015
1016     return ret;
1017 }
1018
1019 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
1020 {
1021     wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
1022
1023     // Try to save the bitmap via wxImage handlers:
1024     {
1025         wxImage image( *this );
1026         if (image.Ok()) return image.SaveFile( name, type );
1027     }
1028
1029     return FALSE;
1030 }
1031
1032 bool wxBitmap::LoadFile( const wxString &name, int type )
1033 {
1034     UnRef();
1035
1036     if (!wxFileExists(name)) return FALSE;
1037
1038
1039     if (type == wxBITMAP_TYPE_XPM)
1040     {
1041 #if wxUSE_XPM
1042 #if wxHAVE_LIB_XPM
1043         m_refData = new wxBitmapRefData();
1044
1045         M_BMPDATA->m_display = wxGlobalDisplay();
1046
1047         Display *xdisplay = (Display*) M_BMPDATA->m_display;
1048
1049         int xscreen = DefaultScreen( xdisplay );
1050         Window xroot = RootWindow( xdisplay, xscreen );
1051
1052         int bpp = DefaultDepth( xdisplay, xscreen );
1053
1054         XpmAttributes xpmAttr;
1055         xpmAttr.valuemask = XpmReturnInfos;    // nothing yet, but get infos back
1056
1057         Pixmap pixmap;
1058         Pixmap mask = 0;
1059
1060         int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot, (char*) name.c_str(), &pixmap, &mask, &xpmAttr);
1061
1062         if (ErrorStatus == XpmSuccess)
1063         {
1064             M_BMPDATA->m_width = xpmAttr.width;
1065             M_BMPDATA->m_height = xpmAttr.height;
1066
1067             M_BMPDATA->m_bpp = bpp;  // mono as well?
1068
1069             XpmFreeAttributes(&xpmAttr);
1070
1071             M_BMPDATA->m_bitmap = (WXPixmap) pixmap;
1072
1073             if (mask)
1074             {
1075                 M_BMPDATA->m_mask = new wxMask;
1076                 M_BMPDATA->m_mask->SetBitmap( (WXPixmap) mask );
1077                 M_BMPDATA->m_mask->SetDisplay( xdisplay );
1078             }
1079         }
1080         else
1081         {
1082             UnRef();
1083
1084             return FALSE;
1085         }
1086 #else
1087 #if wxUSE_STREAMS
1088         wxXPMDecoder decoder;
1089         wxFileInputStream stream(name);
1090         if (stream.Ok())
1091         {
1092             wxImage image(decoder.ReadFile(stream));
1093             if (image.Ok())
1094                 return CreateFromImage(image);
1095             else
1096                 return FALSE;
1097         }
1098         else
1099             return FALSE;
1100 #else
1101         return FALSE;
1102 #endif
1103         // wxUSE_STREAMS
1104 #endif
1105         // wxHAVE_LIB_XPM
1106 #endif
1107         // wxUSE_XPM
1108         return FALSE;
1109     }
1110     else // try if wxImage can load it
1111     {
1112         wxImage image;
1113         if (!image.LoadFile( name, type )) return FALSE;
1114         if (image.Ok()) *this = image.ConvertToBitmap();
1115         else return FALSE;
1116     }
1117
1118     return TRUE;
1119 }
1120
1121 wxPalette *wxBitmap::GetPalette() const
1122 {
1123     if (!Ok()) return (wxPalette *) NULL;
1124
1125     return M_BMPDATA->m_palette;
1126 }
1127
1128 void wxBitmap::SetHeight( int height )
1129 {
1130     if (!m_refData) m_refData = new wxBitmapRefData();
1131
1132     M_BMPDATA->m_height = height;
1133 }
1134
1135 void wxBitmap::SetWidth( int width )
1136 {
1137     if (!m_refData) m_refData = new wxBitmapRefData();
1138
1139     M_BMPDATA->m_width = width;
1140 }
1141
1142 void wxBitmap::SetDepth( int depth )
1143 {
1144     if (!m_refData) m_refData = new wxBitmapRefData();
1145
1146     M_BMPDATA->m_bpp = depth;
1147 }
1148
1149 void wxBitmap::SetPixmap( WXPixmap pixmap )
1150 {
1151     if (!m_refData) m_refData = new wxBitmapRefData();
1152
1153     M_BMPDATA->m_pixmap = pixmap;
1154 }
1155
1156 void wxBitmap::SetBitmap( WXPixmap bitmap )
1157 {
1158     if (!m_refData) m_refData = new wxBitmapRefData();
1159
1160     M_BMPDATA->m_bitmap = bitmap;
1161 }
1162
1163 WXPixmap wxBitmap::GetPixmap() const
1164 {
1165     wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1166
1167     return M_BMPDATA->m_pixmap;
1168 }
1169
1170 WXPixmap wxBitmap::GetBitmap() const
1171 {
1172     wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") );
1173
1174     return M_BMPDATA->m_bitmap;
1175 }
1176
1177 WXDisplay *wxBitmap::GetDisplay() const
1178 {
1179     wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") );
1180
1181     return M_BMPDATA->m_display;
1182 }
1183
1184 #if wxUSE_NANOX
1185 // Copy from the drawable to the wxImage
1186 bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image)
1187 {
1188     GR_SCREEN_INFO sinfo;
1189     int x, y;
1190     GR_PIXELVAL *pixels;
1191     GR_PALETTE* palette = NULL;
1192     unsigned char rgb[3], *pp;
1193
1194     GrGetScreenInfo(&sinfo);
1195
1196     if (sinfo.pixtype == MWPF_PALETTE) {
1197                 if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) {
1198                         return FALSE;
1199                 }
1200                 GrGetSystemPalette(palette);
1201         }
1202
1203     if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height)))
1204     {
1205         return FALSE;
1206     }
1207
1208     image.Create(width, height);
1209
1210         GrReadArea(drawable, srcX, srcY, width, height,
1211                                                 pixels);
1212
1213
1214                 for(x = 0; x < sinfo.cols; x++) {
1215
1216                         pp = (unsigned char *)pixels +
1217                                 ((x + (y * sinfo.cols)) *
1218                                 sizeof(GR_PIXELVAL));
1219
1220                         switch(sinfo.pixtype) {
1221                         /* FIXME: These may need modifying on big endian. */
1222                                 case MWPF_TRUECOLOR0888:
1223                                 case MWPF_TRUECOLOR888:
1224                                         rgb[0] = pp[2];
1225                                         rgb[1] = pp[1];
1226                                         rgb[2] = pp[0];
1227                                         break;
1228                                 case MWPF_PALETTE:
1229                                         rgb[0] = palette->palette[pp[0]].r;
1230                                         rgb[1] = palette->palette[pp[0]].g;
1231                                         rgb[2] = palette->palette[pp[0]].b;
1232                                         break;
1233                                 case MWPF_TRUECOLOR565:
1234                                         rgb[0] = pp[1] & 0xf8;
1235                                         rgb[1] = ((pp[1] & 0x07) << 5) |
1236                                                 ((pp[0] & 0xe0) >> 3);
1237                                         rgb[2] = (pp[0] & 0x1f) << 3;
1238                                         break;
1239                                 case MWPF_TRUECOLOR555:
1240                                         rgb[0] = (pp[1] & 0x7c) << 1;
1241                                         rgb[1] = ((pp[1] & 0x03) << 6) |
1242                                                 ((pp[0] & 0xe0) >> 2);
1243                                         rgb[2] = (pp[0] & 0x1f) << 3;
1244                                         break;
1245                                 case MWPF_TRUECOLOR332:
1246                                         rgb[0] = pp[0] & 0xe0;
1247                                         rgb[1] = (pp[0] & 0x1c) << 3;
1248                                         rgb[2] = (pp[0] & 0x03) << 6;
1249                                         break;
1250                                 default:
1251                                         fprintf(stderr, "Unsupported pixel "
1252                                                         "format\n");
1253                                         return 1;
1254                         }
1255
1256             image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]);
1257
1258         }
1259
1260     free(pixels);
1261     if(palette) free(palette);
1262
1263     return TRUE;
1264 }
1265
1266 #if 0
1267 int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel,
1268     unsigned char* red, unsigned char* green, unsigned char* blue)
1269 {
1270         unsigned char rgb[3], *pp;
1271
1272     pp = (unsigned char*) & pixel ;
1273
1274     switch (sinfo.pixtype)
1275     {
1276                         /* FIXME: These may need modifying on big endian. */
1277                                 case MWPF_TRUECOLOR0888:
1278                                 case MWPF_TRUECOLOR888:
1279                                         rgb[0] = pp[2];
1280                                         rgb[1] = pp[1];
1281                                         rgb[2] = pp[0];
1282                                         break;
1283                                 case MWPF_PALETTE:
1284                                         rgb[0] = palette->palette[pp[0]].r;
1285                                         rgb[1] = palette->palette[pp[0]].g;
1286                                         rgb[2] = palette->palette[pp[0]].b;
1287                                         break;
1288                                 case MWPF_TRUECOLOR565:
1289                                         rgb[0] = pp[1] & 0xf8;
1290                                         rgb[1] = ((pp[1] & 0x07) << 5) |
1291                                                 ((pp[0] & 0xe0) >> 3);
1292                                         rgb[2] = (pp[0] & 0x1f) << 3;
1293                                         break;
1294                                 case MWPF_TRUECOLOR555:
1295                                         rgb[0] = (pp[1] & 0x7c) << 1;
1296                                         rgb[1] = ((pp[1] & 0x03) << 6) |
1297                                                 ((pp[0] & 0xe0) >> 2);
1298                                         rgb[2] = (pp[0] & 0x1f) << 3;
1299                                         break;
1300                                 case MWPF_TRUECOLOR332:
1301                                         rgb[0] = pp[0] & 0xe0;
1302                                         rgb[1] = (pp[0] & 0x1c) << 3;
1303                                         rgb[2] = (pp[0] & 0x03) << 6;
1304                                         break;
1305                                 default:
1306                                         fprintf(stderr, "Unsupported pixel format\n");
1307                                         return 0;
1308         }
1309
1310
1311     *(red) = rgb[0];
1312     *(green) = rgb[1];
1313     *(blue) = rgb[2];
1314     return 1;
1315 }
1316 #endif
1317
1318 #endif
1319   // wxUSE_NANOX
1320