src/x11/dcclient.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        x11/dcclient.cpp
   3 // Purpose:     wxClientDC class
   4 // Author:      Julian Smart, Robert Roebling
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart, Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "dcclient.h"
  14 #endif
  15
  16 #include "wx/dcclient.h"
  17 #include "wx/dcmemory.h"
  18 #include "wx/window.h"
  19 #include "wx/app.h"
  20 #include "wx/image.h"
  21 #include "wx/module.h"
  22 #include "wx/fontutil.h"
  23
  24 #include "wx/x11/private.h"
  25
  26 #include <math.h>
  27
  28 #if wxUSE_UNICODE
  29 #include "glib.h"
  30 #include "pango/pangox.h"
  31 #include "pango/pangoxft.h"
  32
  33 #include "pango_x.cpp"
  34 #endif
  35
  36 //-----------------------------------------------------------------------------
  37 // local defines
  38 //-----------------------------------------------------------------------------
  39
  40 #define USE_PAINT_REGION 1
  41
  42 //-----------------------------------------------------------------------------
  43 // local data
  44 //-----------------------------------------------------------------------------
  45
  46 #include "bdiag.xbm"
  47 #include "fdiag.xbm"
  48 #include "cdiag.xbm"
  49 #include "horiz.xbm"
  50 #include "verti.xbm"
  51 #include "cross.xbm"
  52 #define  num_hatches 6
  53
  54 #define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
  55 #define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
  56
  57 static Pixmap  hatches[num_hatches];
  58 static Pixmap *hatch_bitmap = (Pixmap *) NULL;
  59
  60 //-----------------------------------------------------------------------------
  61 // constants
  62 //-----------------------------------------------------------------------------
  63
  64 const double RAD2DEG  = 180.0 / M_PI;
  65
  66 // ----------------------------------------------------------------------------
  67 // private functions
  68 // ----------------------------------------------------------------------------
  69
  70 static inline double dmax(double a, double b) { return a > b ? a : b; }
  71 static inline double dmin(double a, double b) { return a < b ? a : b; }
  72
  73 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
  74
  75 //-----------------------------------------------------------------------------
  76 // Implement Pool of Graphic contexts. Creating them takes too much time.
  77 //-----------------------------------------------------------------------------
  78
  79 #define GC_POOL_SIZE 200
  80
  81 enum wxPoolGCType
  82 {
  83    wxGC_ERROR = 0,
  84    wxTEXT_MONO,
  85    wxBG_MONO,
  86    wxPEN_MONO,
  87    wxBRUSH_MONO,
  88    wxTEXT_COLOUR,
  89    wxBG_COLOUR,
  90    wxPEN_COLOUR,
  91    wxBRUSH_COLOUR,
  92    wxTEXT_SCREEN,
  93    wxBG_SCREEN,
  94    wxPEN_SCREEN,
  95    wxBRUSH_SCREEN
  96 };
  97
  98 struct wxGC
  99 {
 100     GC            m_gc;
 101     wxPoolGCType  m_type;
 102     bool          m_used;
 103 };
 104
 105 static wxGC wxGCPool[GC_POOL_SIZE];
 106
 107 static void wxInitGCPool()
 108 {
 109     memset( wxGCPool, 0, GC_POOL_SIZE*sizeof(wxGC) );
 110 }
 111
 112 static void wxCleanUpGCPool()
 113 {
 114     for (int i = 0; i < GC_POOL_SIZE; i++)
 115     {
 116         if (wxGCPool[i].m_gc)
 117             XFreeGC( wxGlobalDisplay(), wxGCPool[i].m_gc );
 118     }
 119 }
 120
 121 static GC wxGetPoolGC( Window window, wxPoolGCType type )
 122 {
 123     for (int i = 0; i < GC_POOL_SIZE; i++)
 124     {
 125         if (!wxGCPool[i].m_gc)
 126         {
 127             wxGCPool[i].m_gc = XCreateGC( wxGlobalDisplay(), window, 0, NULL );
 128             XSetGraphicsExposures( wxGlobalDisplay(), wxGCPool[i].m_gc, FALSE );
 129             wxGCPool[i].m_type = type;
 130             wxGCPool[i].m_used = FALSE;
 131         }
 132         if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type))
 133         {
 134             wxGCPool[i].m_used = TRUE;
 135             return wxGCPool[i].m_gc;
 136         }
 137     }
 138
 139     wxFAIL_MSG( wxT("No GC available") );
 140
 141     return (GC) NULL;
 142 }
 143
 144 static void wxFreePoolGC( GC gc )
 145 {
 146     for (int i = 0; i < GC_POOL_SIZE; i++)
 147     {
 148         if (wxGCPool[i].m_gc == gc)
 149         {
 150             wxGCPool[i].m_used = FALSE;
 151             return;
 152         }
 153     }
 154
 155     wxFAIL_MSG( wxT("Wrong GC") );
 156 }
 157
 158 // ----------------------------------------------------------------------------
 159 // wxWindowDC
 160 // ----------------------------------------------------------------------------
 161
 162 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
 163
 164 wxWindowDC::wxWindowDC()
 165 {
 166     m_display = (WXDisplay *) NULL;
 167     m_penGC = (WXGC *) NULL;
 168     m_brushGC = (WXGC *) NULL;
 169     m_textGC = (WXGC *) NULL;
 170     m_bgGC = (WXGC *) NULL;
 171     m_cmap = (WXColormap *) NULL;
 172     m_isMemDC = FALSE;
 173     m_isScreenDC = FALSE;
 174     m_owner = (wxWindow *)NULL;
 175
 176 #if wxUSE_UNICODE
 177     m_context = (PangoContext *)NULL;
 178     m_fontdesc = (PangoFontDescription *)NULL;
 179 #endif
 180 }
 181
 182 wxWindowDC::wxWindowDC( wxWindow *window )
 183 {
 184     wxASSERT_MSG( window, wxT("DC needs a window") );
 185
 186     m_display = (WXDisplay *) NULL;
 187     m_penGC = (WXGC *) NULL;
 188     m_brushGC = (WXGC *) NULL;
 189     m_textGC = (WXGC *) NULL;
 190     m_bgGC = (WXGC *) NULL;
 191     m_cmap = (WXColormap *) NULL;
 192     m_owner = (wxWindow *)NULL;
 193     m_isMemDC = FALSE;
 194     m_isScreenDC = FALSE;
 195     m_font = window->GetFont();
 196
 197     m_window = (WXWindow*) window->GetMainWindow();
 198
 199     // not realized ?
 200     if (!m_window)
 201     {
 202          // don't report problems
 203          m_ok = TRUE;
 204
 205          return;
 206     }
 207
 208     m_display = (WXDisplay *) wxGlobalDisplay();
 209
 210 #if wxUSE_UNICODE
 211     m_context = wxTheApp->GetPangoContext();
 212     m_fontdesc = window->GetFont().GetNativeFontInfo()->description;
 213 #endif
 214
 215     int screen = DefaultScreen( (Display*) m_display );
 216     m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
 217
 218     SetUpDC();
 219
 220     /* this must be done after SetUpDC, bacause SetUpDC calls the
 221        repective SetBrush, SetPen, SetBackground etc functions
 222        to set up the DC. SetBackground call m_owner->SetBackground
 223        and this might not be desired as the standard dc background
 224        is white whereas a window might assume gray to be the
 225        standard (as e.g. wxStatusBar) */
 226
 227     m_owner = window;
 228 }
 229
 230 wxWindowDC::~wxWindowDC()
 231 {
 232     Destroy();
 233 }
 234
 235 void wxWindowDC::SetUpDC()
 236 {
 237     m_ok = TRUE;
 238
 239     wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
 240
 241     if (m_isScreenDC)
 242     {
 243         m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_SCREEN );
 244         m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_SCREEN );
 245         m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_SCREEN );
 246         m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_SCREEN );
 247     }
 248     else
 249     if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1))
 250     {
 251         m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_MONO );
 252         m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_MONO );
 253         m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_MONO );
 254         m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_MONO );
 255     }
 256     else
 257     {
 258         m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_COLOUR );
 259         m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_COLOUR );
 260         m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_COLOUR );
 261         m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_COLOUR );
 262     }
 263
 264     /* background colour */
 265     m_backgroundBrush = *wxWHITE_BRUSH;
 266     m_backgroundBrush.GetColour().CalcPixel( m_cmap );
 267     unsigned long bg_col = m_backgroundBrush.GetColour().GetPixel();
 268
 269     /* m_textGC */
 270     m_textForegroundColour.CalcPixel( m_cmap );
 271     XSetForeground( (Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel() );
 272
 273     m_textBackgroundColour.CalcPixel( m_cmap );
 274     XSetBackground( (Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel() );
 275
 276     XSetFillStyle( (Display*) m_display, (GC) m_textGC, FillSolid );
 277
 278 #if wxUSE_NANOX
 279     // By default, draw transparently
 280     GrSetGCUseBackground((GC) m_textGC, FALSE);
 281 #endif
 282
 283     /* m_penGC */
 284     m_pen.GetColour().CalcPixel( m_cmap );
 285     XSetForeground( (Display*) m_display, (GC) m_penGC, m_pen.GetColour().GetPixel() );
 286     XSetBackground( (Display*) m_display, (GC) m_penGC, bg_col );
 287
 288     XSetLineAttributes( (Display*) m_display, (GC) m_penGC, 0, LineSolid, CapNotLast, JoinRound );
 289
 290     /* m_brushGC */
 291     m_brush.GetColour().CalcPixel( m_cmap );
 292     XSetForeground( (Display*) m_display, (GC) m_brushGC, m_brush.GetColour().GetPixel() );
 293     XSetBackground( (Display*) m_display, (GC) m_brushGC, bg_col );
 294
 295     XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillSolid );
 296
 297     /* m_bgGC */
 298     XSetForeground( (Display*) m_display, (GC) m_bgGC, bg_col );
 299     XSetBackground( (Display*) m_display, (GC) m_bgGC, bg_col );
 300
 301     XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillSolid );
 302
 303     /* ROPs */
 304     XSetFunction( (Display*) m_display, (GC) m_textGC, GXcopy );
 305     XSetFunction( (Display*) m_display, (GC) m_brushGC, GXcopy );
 306     XSetFunction( (Display*) m_display, (GC)m_penGC, GXcopy );
 307
 308     /* clipping */
 309     XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
 310     XSetClipMask( (Display*) m_display, (GC) m_brushGC, None );
 311     XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
 312     XSetClipMask( (Display*) m_display, (GC) m_bgGC, None );
 313
 314     if (!hatch_bitmap)
 315     {
 316         int xscreen = DefaultScreen( (Display*) m_display );
 317         Window xroot = RootWindow( (Display*) m_display, xscreen );
 318
 319         hatch_bitmap    = hatches;
 320         hatch_bitmap[0] = XCreateBitmapFromData( (Display*) m_display, xroot, bdiag_bits, bdiag_width, bdiag_height );
 321         hatch_bitmap[1] = XCreateBitmapFromData( (Display*) m_display, xroot, cdiag_bits, cdiag_width, cdiag_height );
 322         hatch_bitmap[2] = XCreateBitmapFromData( (Display*) m_display, xroot, fdiag_bits, fdiag_width, fdiag_height );
 323         hatch_bitmap[3] = XCreateBitmapFromData( (Display*) m_display, xroot, cross_bits, cross_width, cross_height );
 324         hatch_bitmap[4] = XCreateBitmapFromData( (Display*) m_display, xroot, horiz_bits, horiz_width, horiz_height );
 325         hatch_bitmap[5] = XCreateBitmapFromData( (Display*) m_display, xroot, verti_bits, verti_width, verti_height );
 326     }
 327 }
 328
 329 void wxWindowDC::DoGetSize( int* width, int* height ) const
 330 {
 331     wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
 332
 333     m_owner->GetSize(width, height);
 334 }
 335
 336 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 337                           const wxColour & col, int style);
 338
 339 bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
 340                              const wxColour& col, int style)
 341 {
 342     return wxDoFloodFill(this, x, y, col, style);
 343 }
 344
 345 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 346 {
 347     // Generic (and therefore rather inefficient) method.
 348     // Could be improved.
 349     wxMemoryDC memdc;
 350     wxBitmap bitmap(1, 1);
 351     memdc.SelectObject(bitmap);
 352     memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1);
 353     memdc.SelectObject(wxNullBitmap);
 354     wxImage image(bitmap.ConvertToImage());
 355     col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
 356     return TRUE;
 357 }
 358
 359 void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 360 {
 361     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 362
 363     if (m_pen.GetStyle() != wxTRANSPARENT)
 364     {
 365         if (m_window)
 366         {
 367             // This hack is for the iPaq: XDrawLine draws
 368             // nothing, whereas XDrawLines works...
 369             wxPoint points[2];
 370             points[0].x = x1;
 371             points[0].y = y1;
 372             points[1].x = x2;
 373             points[1].y = y2;
 374             DrawLines( 2, points, 0, 0 );
 375
 376             // XDrawLine( (Display*) m_display, (Window) m_window,
 377             //    (GC) m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
 378         }
 379
 380         CalcBoundingBox(x1, y1);
 381         CalcBoundingBox(x2, y2);
 382     }
 383 }
 384
 385 void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
 386 {
 387     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 388
 389     if (m_pen.GetStyle() != wxTRANSPARENT)
 390     {
 391         int w = 0;
 392         int h = 0;
 393         GetSize( &w, &h );
 394         wxCoord xx = XLOG2DEV(x);
 395         wxCoord yy = YLOG2DEV(y);
 396         if (m_window)
 397         {
 398             XDrawLine( (Display*) m_display, (Window) m_window,
 399                 (GC) m_penGC, 0, yy, XLOG2DEVREL(w), yy );
 400             XDrawLine( (Display*) m_display, (Window) m_window,
 401                 (GC) m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
 402         }
 403     }
 404 }
 405
 406 void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc )
 407 {
 408     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 409
 410     wxCoord xx1 = XLOG2DEV(x1);
 411     wxCoord yy1 = YLOG2DEV(y1);
 412     wxCoord xx2 = XLOG2DEV(x2);
 413     wxCoord yy2 = YLOG2DEV(y2);
 414     wxCoord xxc = XLOG2DEV(xc);
 415     wxCoord yyc = YLOG2DEV(yc);
 416     double dx = xx1 - xxc;
 417     double dy = yy1 - yyc;
 418     double radius = sqrt((double)(dx*dx+dy*dy));
 419     wxCoord   r      = (wxCoord)radius;
 420     double radius1, radius2;
 421
 422     if (xx1 == xx2 && yy1 == yy2)
 423     {
 424         radius1 = 0.0;
 425         radius2 = 360.0;
 426     }
 427     else
 428     if (radius == 0.0)
 429     {
 430         radius1 = radius2 = 0.0;
 431     }
 432     else
 433     {
 434         radius1 = (xx1 - xxc == 0) ?
 435             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 436             -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 437         radius2 = (xx2 - xxc == 0) ?
 438             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 439             -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 440     }
 441     wxCoord alpha1 = wxCoord(radius1 * 64.0);
 442     wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
 443     while (alpha2 <= 0) alpha2 += 360*64;
 444     while (alpha1 > 360*64) alpha1 -= 360*64;
 445
 446     if (m_window)
 447     {
 448         if (m_brush.GetStyle() != wxTRANSPARENT)
 449         {
 450             if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
 451             {
 452                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
 453                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 454                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 455
 456                 XFillArc( (Display*) m_display, (Window) m_window,
 457                     (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 458
 459                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
 460             } else
 461             if (IS_15_PIX_HATCH(m_brush.GetStyle()))
 462             {
 463                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 464                                       m_deviceOriginX % 15, m_deviceOriginY % 15 );
 465
 466                 XFillArc( (Display*) m_display, (Window) m_window,
 467                     (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 468
 469                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 470             } else
 471             if (IS_16_PIX_HATCH(m_brush.GetStyle()))
 472             {
 473                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 474                                       m_deviceOriginX % 16, m_deviceOriginY % 16 );
 475
 476                 XFillArc( (Display*) m_display, (Window) m_window,
 477                     (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 478
 479                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 480             } else
 481             if (m_brush.GetStyle() == wxSTIPPLE)
 482             {
 483                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 484                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 485                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 486
 487                 XFillArc( (Display*) m_display, (Window) m_window,
 488                     (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 489
 490                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 491             }
 492             else
 493             {
 494                 XFillArc( (Display*) m_display, (Window) m_window,
 495                     (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 496             }
 497         }
 498
 499         if (m_pen.GetStyle() != wxTRANSPARENT)
 500         {
 501             XDrawArc( (Display*) m_display, (Window) m_window,
 502                (GC) m_penGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 503
 504             XDrawLine( (Display*) m_display, (Window) m_window,
 505                (GC) m_penGC, xx1, yy1, xxc, yyc );
 506
 507             XDrawLine( (Display*) m_display, (Window) m_window,
 508                (GC) m_penGC, xxc, yyc, xx2, yy2 );
 509         }
 510     }
 511
 512     CalcBoundingBox (x1, y1);
 513     CalcBoundingBox (x2, y2);
 514 }
 515
 516 void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
 517 {
 518     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 519
 520     wxCoord xx = XLOG2DEV(x);
 521     wxCoord yy = YLOG2DEV(y);
 522     wxCoord ww = m_signX * XLOG2DEVREL(width);
 523     wxCoord hh = m_signY * YLOG2DEVREL(height);
 524
 525     // CMB: handle -ve width and/or height
 526     if (ww < 0) { ww = -ww; xx = xx - ww; }
 527     if (hh < 0) { hh = -hh; yy = yy - hh; }
 528
 529     if (m_window)
 530     {
 531         wxCoord start = wxCoord(sa * 64.0);
 532         wxCoord end = wxCoord((ea-sa) * 64.0);
 533
 534         if (m_brush.GetStyle() != wxTRANSPARENT)
 535         {
 536             if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
 537             {
 538                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
 539                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 540                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 541
 542                 XFillArc( (Display*) m_display, (Window) m_window,
 543                     (GC) m_textGC, xx, yy, ww, hh, start, end );
 544
 545                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
 546             } else
 547             if (IS_15_PIX_HATCH(m_brush.GetStyle()))
 548             {
 549                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 550                                       m_deviceOriginX % 15, m_deviceOriginY % 15 );
 551
 552                 XFillArc( (Display*) m_display, (Window) m_window,
 553                     (GC) m_brushGC, xx, yy, ww, hh, start, end );
 554
 555                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 556             } else
 557             if (IS_16_PIX_HATCH(m_brush.GetStyle()))
 558             {
 559                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 560                                       m_deviceOriginX % 16, m_deviceOriginY % 16 );
 561
 562                 XFillArc( (Display*) m_display, (Window) m_window,
 563                     (GC) m_brushGC, xx, yy, ww, hh, start, end );
 564
 565                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 566             } else
 567             if (m_brush.GetStyle() == wxSTIPPLE)
 568             {
 569                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 570                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 571                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 572
 573                 XFillArc( (Display*) m_display, (Window) m_window,
 574                     (GC) m_brushGC, xx, yy, ww, hh, start, end );
 575
 576                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 577             }
 578             else
 579             {
 580                 XFillArc( (Display*) m_display, (Window) m_window,
 581                     (GC) m_brushGC, xx, yy, ww, hh, start, end );
 582             }
 583         }
 584
 585         if (m_pen.GetStyle() != wxTRANSPARENT)
 586         {
 587             XDrawArc( (Display*) m_display, (Window) m_window,
 588                 (GC) m_penGC, xx, yy, ww, hh, start, end );
 589         }
 590     }
 591
 592     CalcBoundingBox (x, y);
 593     CalcBoundingBox (x + width, y + height);
 594 }
 595
 596 void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
 597 {
 598     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 599
 600     if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
 601         XDrawPoint( (Display*) m_display, (Window) m_window,
 602                 (GC) m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
 603
 604     CalcBoundingBox (x, y);
 605 }
 606
 607 void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
 608 {
 609     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 610
 611     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 612     if (n <= 0) return;
 613
 614     XPoint *xpoints = new XPoint[n];
 615     for (int i = 0; i < n; i++)
 616     {
 617         xpoints[i].x = XLOG2DEV (points[i].x + xoffset);
 618         xpoints[i].y = YLOG2DEV (points[i].y + yoffset);
 619
 620         CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
 621     }
 622     XDrawLines( (Display*) m_display, (Window) m_window, (GC) m_penGC, xpoints, n, 0 );
 623
 624     delete[] xpoints;
 625 }
 626
 627 void wxWindowDC::DoDrawPolygon( int n, wxPoint points[],
 628                                 wxCoord xoffset, wxCoord yoffset, int fillStyle )
 629 {
 630     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 631
 632     if (n <= 0) return;
 633
 634     XPoint *xpoints = new XPoint[n + 1];
 635     int i;
 636     for (i = 0; i < n; i++)
 637     {
 638         xpoints[i].x = XLOG2DEV (points[i].x + xoffset);
 639         xpoints[i].y = YLOG2DEV (points[i].y + yoffset);
 640
 641         CalcBoundingBox (points[i].x + xoffset, points[i].y + yoffset);
 642     }
 643
 644     if (m_window)
 645     {
 646         if (m_brush.GetStyle() != wxTRANSPARENT)
 647         {
 648
 649             if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
 650             {
 651                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
 652                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 653                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 654
 655                 XFillPolygon( (Display*) m_display, (Window) m_window,
 656                     (GC) m_textGC, xpoints, n, Complex, 0);
 657
 658                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
 659             } else
 660             if (IS_15_PIX_HATCH(m_brush.GetStyle()))
 661             {
 662                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 663                                       m_deviceOriginX % 15, m_deviceOriginY % 15 );
 664
 665                 XFillPolygon( (Display*) m_display, (Window) m_window,
 666                     (GC) m_brushGC, xpoints, n, Complex, 0);
 667
 668                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 669             } else
 670             if (IS_16_PIX_HATCH(m_brush.GetStyle()))
 671             {
 672                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 673                                       m_deviceOriginX % 16, m_deviceOriginY % 16 );
 674
 675                 XFillPolygon( (Display*) m_display, (Window) m_window,
 676                     (GC) m_brushGC, xpoints, n, Complex, 0);
 677
 678                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 679             } else
 680             if (m_brush.GetStyle() == wxSTIPPLE)
 681             {
 682                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 683                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 684                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 685
 686                 XFillPolygon( (Display*) m_display, (Window) m_window,
 687                     (GC) m_brushGC, xpoints, n, Complex, 0);
 688
 689                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 690             }
 691             else
 692             {
 693                 XFillPolygon( (Display*) m_display, (Window) m_window,
 694                     (GC) m_brushGC, xpoints, n, Complex, 0);
 695             }
 696         }
 697
 698         if (m_pen.GetStyle () != wxTRANSPARENT)
 699         {
 700             // Close figure for XDrawLines
 701             xpoints[i].x = xpoints[0].x;
 702             xpoints[i].y = xpoints[0].y;
 703
 704             XDrawLines( (Display*) m_display, (Window) m_window, (GC) m_penGC, xpoints, n + 1, 0);
 705         }
 706     }
 707
 708     delete[] xpoints;
 709 }
 710
 711 void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 712 {
 713     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 714
 715     wxCoord xx = XLOG2DEV(x);
 716     wxCoord yy = YLOG2DEV(y);
 717     wxCoord ww = m_signX * XLOG2DEVREL(width);
 718     wxCoord hh = m_signY * YLOG2DEVREL(height);
 719
 720     // CMB: draw nothing if transformed w or h is 0
 721     if (ww == 0 || hh == 0) return;
 722
 723     // CMB: handle -ve width and/or height
 724     if (ww < 0) { ww = -ww; xx = xx - ww; }
 725     if (hh < 0) { hh = -hh; yy = yy - hh; }
 726
 727     if (m_window)
 728     {
 729         if (m_brush.GetStyle() != wxTRANSPARENT)
 730         {
 731             if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
 732             {
 733                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
 734                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 735                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 736
 737                 XFillRectangle( (Display*) m_display, (Window) m_window,
 738                     (GC) m_textGC, xx, yy, ww, hh );
 739
 740                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
 741             } else
 742             if (IS_15_PIX_HATCH(m_brush.GetStyle()))
 743             {
 744                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 745                                       m_deviceOriginX % 15, m_deviceOriginY % 15 );
 746
 747                 XFillRectangle( (Display*) m_display, (Window) m_window,
 748                     (GC) m_brushGC, xx, yy, ww, hh );
 749
 750                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 751             } else
 752             if (IS_16_PIX_HATCH(m_brush.GetStyle()))
 753             {
 754                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 755                                       m_deviceOriginX % 16, m_deviceOriginY % 16 );
 756
 757                 XFillRectangle( (Display*) m_display, (Window) m_window,
 758                     (GC) m_brushGC, xx, yy, ww, hh );
 759
 760                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 761             } else
 762             if (m_brush.GetStyle() == wxSTIPPLE)
 763             {
 764                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 765                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 766                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 767
 768                 XFillRectangle( (Display*) m_display, (Window) m_window,
 769                     (GC) m_brushGC, xx, yy, ww, hh );
 770
 771                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 772             }
 773             else
 774             {
 775                 XFillRectangle( (Display*) m_display, (Window) m_window,
 776                     (GC) m_brushGC, xx, yy, ww, hh );
 777             }
 778         }
 779
 780         if (m_pen.GetStyle () != wxTRANSPARENT)
 781         {
 782             XDrawRectangle( (Display*) m_display, (Window) m_window,
 783                 (GC) m_penGC, xx, yy, ww-1, hh-1 );
 784         }
 785     }
 786
 787     CalcBoundingBox( x, y );
 788     CalcBoundingBox( x + width, y + height );
 789 }
 790
 791 void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 792 {
 793    // later
 794 }
 795
 796 void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 797 {
 798     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 799
 800     wxCoord xx = XLOG2DEV(x);
 801     wxCoord yy = YLOG2DEV(y);
 802     wxCoord ww = m_signX * XLOG2DEVREL(width);
 803     wxCoord hh = m_signY * YLOG2DEVREL(height);
 804
 805     // CMB: handle -ve width and/or height
 806     if (ww < 0) { ww = -ww; xx = xx - ww; }
 807     if (hh < 0) { hh = -hh; yy = yy - hh; }
 808
 809     if (m_window)
 810     {
 811         if (m_brush.GetStyle() != wxTRANSPARENT)
 812         {
 813             if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
 814             {
 815                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
 816                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 817                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 818
 819                 XFillArc( (Display*) m_display, (Window) m_window,
 820                     (GC) m_textGC, xx, yy, ww, hh, 0, 360*64 );
 821
 822                 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
 823             } else
 824             if (IS_15_PIX_HATCH(m_brush.GetStyle()))
 825             {
 826                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 827                                       m_deviceOriginX % 15, m_deviceOriginY % 15 );
 828
 829                 XFillArc( (Display*) m_display, (Window) m_window,
 830                     (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
 831
 832                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 833             } else
 834             if (IS_16_PIX_HATCH(m_brush.GetStyle()))
 835             {
 836                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 837                                       m_deviceOriginX % 16, m_deviceOriginY % 16 );
 838
 839                 XFillArc( (Display*) m_display, (Window) m_window,
 840                     (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
 841
 842                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 843             } else
 844             if (m_brush.GetStyle() == wxSTIPPLE)
 845             {
 846                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
 847                                       m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
 848                                       m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
 849
 850                 XFillArc( (Display*) m_display, (Window) m_window,
 851                     (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
 852
 853                 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
 854             }
 855             else
 856             {
 857                 XFillArc( (Display*) m_display, (Window) m_window,
 858                     (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
 859             }
 860         }
 861
 862         if (m_pen.GetStyle () != wxTRANSPARENT)
 863         {
 864             XDrawArc( (Display*) m_display, (Window) m_window,
 865                 (GC) m_penGC, xx, yy, ww, hh, 0, 360*64 );
 866         }
 867     }
 868
 869     CalcBoundingBox( x, y );
 870     CalcBoundingBox( x + width, y + height );
 871 }
 872
 873 void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
 874 {
 875     DoDrawBitmap(icon, x, y, TRUE);
 876 }
 877
 878 #if wxUSE_NANOX
 879 void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
 880                                wxCoord x, wxCoord y,
 881                                bool useMask )
 882 {
 883     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 884
 885     wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
 886
 887     bool is_mono = (bitmap.GetBitmap() != NULL);
 888
 889     /* scale/translate size and position */
 890     int xx = XLOG2DEV(x);
 891     int yy = YLOG2DEV(y);
 892
 893     int w = bitmap.GetWidth();
 894     int h = bitmap.GetHeight();
 895
 896     CalcBoundingBox( x, y );
 897     CalcBoundingBox( x + w, y + h );
 898
 899     if (!m_window) return;
 900
 901     int ww = XLOG2DEVREL(w);
 902     int hh = YLOG2DEVREL(h);
 903
 904     /* compare to current clipping region */
 905     if (!m_currentClippingRegion.IsNull())
 906     {
 907         wxRegion tmp( xx,yy,ww,hh );
 908         tmp.Intersect( m_currentClippingRegion );
 909         if (tmp.IsEmpty())
 910             return;
 911     }
 912
 913     /* scale bitmap if required */
 914     wxBitmap use_bitmap;
 915     if ((w != ww) || (h != hh))
 916     {
 917         wxImage image( bitmap.ConvertToImage() );
 918         image.Rescale( ww, hh );
 919 #if 0
 920         if (is_mono)
 921             use_bitmap = image.ConvertToMonoBitmap(255,255,255);
 922         else
 923 #endif
 924             use_bitmap = image;
 925     }
 926     else
 927     {
 928         use_bitmap = bitmap;
 929     }
 930
 931     /* apply mask if any */
 932     WXPixmap mask = NULL;
 933     if (use_bitmap.GetMask())
 934         mask = use_bitmap.GetMask()->GetBitmap();
 935
 936     if (useMask && mask)
 937     {
 938         Pixmap pixmap = (Pixmap) use_bitmap.GetPixmap() ;
 939         Pixmap maskPixmap = (Pixmap) use_bitmap.GetMask()->GetBitmap() ;
 940         Pixmap bufPixmap = GrNewPixmap(w, h, 0);
 941         GC gc = GrNewGC();
 942         GrSetGCUseBackground(gc, FALSE);
 943         GrSetGCMode(gc, GR_MODE_COPY);
 944
 945         // This code assumes that background and foreground
 946         // colours are used in ROPs, like in MSW.
 947         // Not sure if this is true.
 948
 949         // Copy destination to buffer.
 950         // In DoBlit, we need this step because Blit has
 951         // a ROP argument. Here, we don't need it.
 952         // In DoBlit, we may be able to eliminate this step
 953         // if we check if the rop = copy
 954 #if 0
 955         GrCopyArea(bufPixmap, gc, 0, 0, w, h, (Window) m_window,
 956                   0, 0, GR_MODE_COPY);
 957 #endif
 958
 959         // Copy src to buffer using selected raster op (none selected
 960         // in DrawBitmap, so just use Gxcopy)
 961         GrCopyArea(bufPixmap, gc, 0, 0, w, h, pixmap,
 962                    0, 0, GR_MODE_COPY);
 963
 964         // Set masked area in buffer to BLACK (pixel value 0)
 965         GrSetGCBackground(gc, WHITE);
 966         GrSetGCForeground(gc, BLACK);
 967         GrCopyArea(bufPixmap, gc, 0, 0, w, h, maskPixmap,
 968                     0, 0, GR_MODE_AND);
 969
 970         // set unmasked area in dest to BLACK
 971         GrSetGCBackground(gc, BLACK);
 972         GrSetGCForeground(gc, WHITE);
 973         GrCopyArea((Window) m_window, gc, xx, yy, w, h, maskPixmap,
 974                    0, 0, GR_MODE_AND);
 975
 976         // OR buffer to dest
 977         GrCopyArea((Window) m_window, gc, xx, yy, w, h, bufPixmap,
 978                    0, 0, GR_MODE_OR);
 979
 980         GrDestroyGC(gc);
 981         GrDestroyWindow(bufPixmap);
 982     }
 983     else
 984       XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
 985             (GC) m_penGC, 0, 0, w, h, xx, yy );
 986
 987     /* remove mask again if any */
 988     if (useMask && mask)
 989     {
 990         if (!m_currentClippingRegion.IsNull())
 991                 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
 992     }
 993 }
 994
 995 #else
 996
 997 // Normal X11
 998 void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
 999                                wxCoord x, wxCoord y,
1000                                bool useMask )
1001 {
1002     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1003
1004     wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
1005
1006     bool is_mono = (bitmap.GetBitmap() != NULL);
1007
1008     // scale/translate size and position
1009     int xx = XLOG2DEV(x);
1010     int yy = YLOG2DEV(y);
1011
1012     int w = bitmap.GetWidth();
1013     int h = bitmap.GetHeight();
1014
1015     CalcBoundingBox( x, y );
1016     CalcBoundingBox( x + w, y + h );
1017
1018     if (!m_window) return;
1019
1020     int ww = XLOG2DEVREL(w);
1021     int hh = YLOG2DEVREL(h);
1022
1023     // compare to current clipping region
1024     if (!m_currentClippingRegion.IsNull())
1025     {
1026         wxRegion tmp( xx,yy,ww,hh );
1027         tmp.Intersect( m_currentClippingRegion );
1028         if (tmp.IsEmpty())
1029             return;
1030     }
1031
1032     // scale bitmap if required
1033     wxBitmap use_bitmap;
1034     if ((w != ww) || (h != hh))
1035     {
1036         wxImage image( bitmap.ConvertToImage() );
1037         image.Rescale( ww, hh );
1038 #if 0
1039         if (is_mono)
1040             use_bitmap = image.ConvertToMonoBitmap(255,255,255);
1041         else
1042 #endif
1043             use_bitmap = image;
1044     }
1045     else
1046     {
1047         use_bitmap = bitmap;
1048     }
1049
1050     // apply mask if any
1051     WXPixmap mask = NULL;
1052     if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
1053
1054         if (useMask && mask)
1055         {
1056             WXPixmap new_mask = NULL;
1057 #if 0
1058             if (!m_currentClippingRegion.IsNull())
1059             {
1060                 GdkColor col;
1061                 new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
1062                 GdkGC *gc = gdk_gc_new( new_mask );
1063                 col.pixel = 0;
1064                 gdk_gc_set_foreground( gc, &col );
1065                 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
1066                 col.pixel = 0;
1067                 gdk_gc_set_background( gc, &col );
1068                 col.pixel = 1;
1069                 gdk_gc_set_foreground( gc, &col );
1070                 gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
1071                 gdk_gc_set_clip_origin( gc, -xx, -yy );
1072                 gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
1073                 gdk_gc_set_stipple( gc, mask );
1074                 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
1075                 gdk_gc_unref( gc );
1076             }
1077 #endif
1078             if (is_mono)
1079             {
1080                 if (new_mask)
1081                     XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) new_mask );
1082                 else
1083                     XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
1084                 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
1085             }
1086             else
1087             {
1088                 if (new_mask)
1089                     XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) new_mask );
1090                 else
1091                     XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
1092                 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
1093             }
1094
1095             if (new_mask)
1096                XFreePixmap( (Display*) m_display, (Pixmap) new_mask );
1097         }
1098
1099     // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1100     // drawing a mono-bitmap (XBitmap) we use the current text GC
1101     if (is_mono)
1102         XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,
1103             (GC) m_textGC, 0, 0, w, h, xx, yy, 1 );
1104     else
1105         XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
1106             (GC) m_penGC, 0, 0, w, h, xx, yy );
1107
1108     // remove mask again if any
1109     if (useMask && mask)
1110     {
1111         if (is_mono)
1112         {
1113             XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
1114             XSetClipOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
1115             if (!m_currentClippingRegion.IsNull())
1116                 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
1117         }
1118         else
1119         {
1120             XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
1121             XSetClipOrigin( (Display*) m_display, (GC) m_penGC, 0, 0 );
1122             if (!m_currentClippingRegion.IsNull())
1123                 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
1124         }
1125     }
1126 }
1127 #endif
1128   // wxUSE_NANOX/!wxUSE_NANOX
1129
1130 bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1131                          wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func, bool useMask,
1132                          wxCoord xsrcMask, wxCoord ysrcMask )
1133 {
1134    /* this is the nth try to get this utterly useless function to
1135       work. it now completely ignores the scaling or translation
1136       of the source dc, but scales correctly on the target dc and
1137       knows about possible mask information in a memory dc. */
1138
1139     wxCHECK_MSG( Ok(), FALSE, wxT("invalid window dc") );
1140
1141     wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
1142
1143     if (!m_window) return FALSE;
1144
1145     // transform the source DC coords to the device ones
1146     xsrc = source->XLOG2DEV(xsrc);
1147     ysrc = source->YLOG2DEV(ysrc);
1148
1149     wxClientDC *srcDC = (wxClientDC*)source;
1150     wxMemoryDC *memDC = (wxMemoryDC*)source;
1151
1152     bool use_bitmap_method = FALSE;
1153     bool is_mono = FALSE;
1154
1155     // TODO: use the mask origin when drawing transparently
1156     if (xsrcMask == -1 && ysrcMask == -1)
1157     {
1158         xsrcMask = xsrc;
1159         ysrcMask = ysrc;
1160     }
1161
1162     if (srcDC->m_isMemDC)
1163     {
1164         if (!memDC->m_selected.Ok()) return FALSE;
1165
1166         /* we use the "XCopyArea" way to copy a memory dc into
1167            y different window if the memory dc BOTH
1168            a) doesn't have any mask or its mask isn't used
1169            b) it is clipped
1170            c) is not 1-bit */
1171
1172         if (useMask && (memDC->m_selected.GetMask()))
1173         {
1174            /* we HAVE TO use the direct way for memory dcs
1175               that have mask since the XCopyArea doesn't know
1176               about masks */
1177             use_bitmap_method = TRUE;
1178         }
1179         else if (memDC->m_selected.GetDepth() == 1)
1180         {
1181            /* we HAVE TO use the direct way for memory dcs
1182               that are bitmaps because XCopyArea doesn't cope
1183               with different bit depths */
1184             is_mono = TRUE;
1185             use_bitmap_method = TRUE;
1186         }
1187         else if ((xsrc == 0) && (ysrc == 0) &&
1188                  (width == memDC->m_selected.GetWidth()) &&
1189                  (height == memDC->m_selected.GetHeight()))
1190         {
1191            /* we SHOULD use the direct way if all of the bitmap
1192               in the memory dc is copied in which case XCopyArea
1193               wouldn't be able able to boost performace by reducing
1194               the area to be scaled */
1195             use_bitmap_method = TRUE;
1196         }
1197         else
1198         {
1199             use_bitmap_method = FALSE;
1200         }
1201     }
1202
1203     CalcBoundingBox( xdest, ydest );
1204     CalcBoundingBox( xdest + width, ydest + height );
1205
1206     // scale/translate size and position
1207     wxCoord xx = XLOG2DEV(xdest);
1208     wxCoord yy = YLOG2DEV(ydest);
1209
1210     wxCoord ww = XLOG2DEVREL(width);
1211     wxCoord hh = YLOG2DEVREL(height);
1212
1213     // compare to current clipping region
1214     if (!m_currentClippingRegion.IsNull())
1215     {
1216         wxRegion tmp( xx,yy,ww,hh );
1217         tmp.Intersect( m_currentClippingRegion );
1218         if (tmp.IsEmpty())
1219             return TRUE;
1220     }
1221
1222     int old_logical_func = m_logicalFunction;
1223     SetLogicalFunction( logical_func );
1224
1225     if (use_bitmap_method)
1226     {
1227         // scale/translate bitmap size
1228         wxCoord bm_width = memDC->m_selected.GetWidth();
1229         wxCoord bm_height = memDC->m_selected.GetHeight();
1230
1231         wxCoord bm_ww = XLOG2DEVREL( bm_width );
1232         wxCoord bm_hh = YLOG2DEVREL( bm_height );
1233
1234         // scale bitmap if required
1235         wxBitmap use_bitmap;
1236
1237         if ((bm_width != bm_ww) || (bm_height != bm_hh))
1238         {
1239             wxImage image( memDC->m_selected.ConvertToImage() );
1240             image = image.Scale( bm_ww, bm_hh );
1241
1242 #if 0
1243             if (is_mono)
1244                 use_bitmap = image.ConvertToMonoBitmap(255,255,255);
1245             else
1246 #endif
1247                 use_bitmap = image;
1248         }
1249         else
1250         {
1251             use_bitmap = memDC->m_selected;
1252         }
1253
1254         // apply mask if any
1255         WXPixmap mask = NULL;
1256         if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
1257
1258         if (useMask && mask)
1259         {
1260             WXPixmap new_mask = NULL;
1261 #if 0
1262             if (!m_currentClippingRegion.IsNull())
1263             {
1264                 GdkColor col;
1265                 new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
1266                 GdkGC *gc = gdk_gc_new( new_mask );
1267                 col.pixel = 0;
1268                 gdk_gc_set_foreground( gc, &col );
1269                 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
1270                 col.pixel = 0;
1271                 gdk_gc_set_background( gc, &col );
1272                 col.pixel = 1;
1273                 gdk_gc_set_foreground( gc, &col );
1274                 gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
1275                 gdk_gc_set_clip_origin( gc, -xx, -yy );
1276                 gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
1277                 gdk_gc_set_stipple( gc, mask );
1278                 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
1279                 gdk_gc_unref( gc );
1280             }
1281 #endif
1282             if (is_mono)
1283             {
1284                 if (new_mask)
1285                     XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) new_mask );
1286                 else
1287                     XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
1288                 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
1289             }
1290             else
1291             {
1292                 if (new_mask)
1293                     XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) new_mask );
1294                 else
1295                     XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
1296                 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
1297             }
1298
1299             if (new_mask)
1300                XFreePixmap( (Display*) m_display, (Pixmap) new_mask );
1301         }
1302
1303         // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1304         // drawing a mono-bitmap (XBitmap) we use the current text GC
1305
1306         if (is_mono)
1307             XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,
1308                 (GC) m_textGC, xsrc, ysrc, width, height, xx, yy, 1 );
1309         else
1310             XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
1311                 (GC) m_penGC, xsrc, ysrc, width, height, xx, yy );
1312
1313         // remove mask again if any
1314         if (useMask && mask)
1315         {
1316             if (is_mono)
1317             {
1318                 XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
1319                 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
1320                 if (!m_currentClippingRegion.IsNull())
1321                     XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
1322             }
1323             else
1324             {
1325                 XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
1326                 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, 0, 0 );
1327                 if (!m_currentClippingRegion.IsNull())
1328                     XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
1329             }
1330         }
1331     }
1332     else // use_bitmap_method
1333     {
1334         if ((width != ww) || (height != hh))
1335         {
1336             /* Draw source window into a bitmap as we cannot scale
1337                a window in contrast to a bitmap. this would actually
1338                work with memory dcs as well, but we'd lose the mask
1339                information and waste one step in this process since
1340                a memory already has a bitmap. all this is slightly
1341                inefficient as we could take an XImage directly from
1342                an X window, but we'd then also have to care that
1343                the window is not outside the screen (in which case
1344                we'd get a BadMatch or what not).
1345                Is a double XGetImage and combined XGetPixel and
1346                XPutPixel really faster? I'm not sure. look at wxXt
1347                for a different implementation of the same problem. */
1348
1349             wxBitmap bitmap( width, height );
1350
1351             // copy including child window contents
1352             XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
1353             XCopyArea( (Display*) m_display, (Window) srcDC->GetWindow(), (Window) bitmap.GetPixmap(),
1354                        (GC) m_penGC, xsrc, ysrc, width, height, 0, 0 );
1355             XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
1356
1357             // scale image
1358             wxImage image( bitmap.ConvertToImage() );
1359             image = image.Scale( ww, hh );
1360
1361             // convert to bitmap
1362             bitmap = image;
1363
1364             // draw scaled bitmap
1365             XCopyArea( (Display*) m_display, (Window) bitmap.GetPixmap(), (Window) m_window,
1366                        (GC) m_penGC, 0, 0, width, height, xx, yy );
1367         }
1368         else
1369         {
1370             // No scaling and not a memory dc with a mask either
1371
1372             // copy including child window contents
1373             XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
1374             XCopyArea( (Display*) m_display, (Window) srcDC->GetWindow(), (Window) m_window,
1375                        (GC) m_penGC, xsrc, ysrc, width, height, xx, yy );
1376             XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
1377         }
1378     }
1379
1380     SetLogicalFunction( old_logical_func );
1381
1382     return TRUE;
1383 }
1384
1385 void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
1386 {
1387     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1388
1389     if (!m_window) return;
1390
1391     x = XLOG2DEV(x);
1392     y = YLOG2DEV(y);
1393
1394 #if wxUSE_UNICODE
1395     PangoLayout *layout = pango_layout_new(m_context);
1396     pango_layout_set_font_description(layout, m_fontdesc);
1397
1398     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1399     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1400
1401     // Measure layout.
1402     int w,h;
1403     pango_layout_get_pixel_size(layout, &w, &h);
1404     wxCoord width = w;
1405     wxCoord height = h;
1406
1407     // Draw layout.
1408     x11_draw_layout( (Drawable) m_window, (GC) m_textGC, x, y, layout, m_textForegroundColour );
1409
1410     g_object_unref( G_OBJECT( layout ) );
1411
1412     CalcBoundingBox (x + width, y + height);
1413     CalcBoundingBox (x, y);
1414 #else
1415     XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1416
1417     wxCHECK_RET( xfont, wxT("invalid font") );
1418
1419     // First draw a rectangle representing the text background, if a text
1420     // background is specified
1421     if (m_textBackgroundColour.Ok () && (m_backgroundMode != wxTRANSPARENT))
1422     {
1423         // Since X draws from the baseline of the text, must add the text height
1424         int cx = 0;
1425         int cy = 0;
1426         int ascent = 0;
1427         int slen;
1428         int direction, descent;
1429
1430         slen = strlen(text);
1431         XCharStruct overall_return;
1432
1433         (void)XTextExtents(xfont, (char*) text.c_str(), slen, &direction,
1434                                  &ascent, &descent, &overall_return);
1435
1436         cx = overall_return.width;
1437         cy = ascent + descent;
1438         m_textBackgroundColour.CalcPixel(m_cmap);
1439         XSetForeground ((Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel());
1440         XFillRectangle( (Display*) m_display, (Window) m_window,
1441                     (GC) m_textGC, x, y, cx, cy );
1442         XSetForeground ((Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel());
1443
1444     }
1445
1446     XSetFont( (Display*) m_display, (GC) m_textGC, xfont->fid );
1447 #if !wxUSE_NANOX
1448     if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
1449 #endif
1450     {
1451         XDrawString( (Display*) m_display, (Window) m_window,
1452             (GC) m_textGC, x, y + XFontStructGetAscent(xfont), text.c_str(), text.Len() );
1453     }
1454
1455 #if 0
1456     if (m_font.GetUnderlined())
1457     {
1458         wxCoord ul_y = y + XFontStructGetAscent(font);
1459         if (font->descent > 0) ul_y++;
1460         gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
1461     }
1462
1463     width = wxCoord(width / m_scaleX);
1464     height = wxCoord(height / m_scaleY);
1465
1466     CalcBoundingBox (x + width, y + height);
1467     CalcBoundingBox (x, y);
1468 #endif
1469 #endif
1470 }
1471
1472 void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
1473 {
1474     // later
1475 }
1476
1477 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1478                                 wxCoord *descent, wxCoord *externalLeading,
1479                                 wxFont *font ) const
1480 {
1481     wxCHECK_RET( Ok(), "invalid dc" );
1482
1483     if (string.IsEmpty())
1484     {
1485         if (width) (*width) = 0;
1486         if (height) (*height) = 0;
1487         return;
1488     }
1489
1490 #if wxUSE_UNICODE
1491     PangoLayout *layout = pango_layout_new( m_context );
1492
1493     if (font)
1494         pango_layout_set_font_description( layout, font->GetNativeFontInfo()->description );
1495     else
1496         pango_layout_set_font_description(layout, m_fontdesc);
1497
1498     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1499     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1500
1501     // Measure text.
1502     int w,h;
1503     pango_layout_get_pixel_size(layout, &w, &h);
1504
1505     if (width) (*width) = (wxCoord) w;
1506     if (height) (*height) = (wxCoord) h;
1507     if (descent)
1508     {
1509         // Do something about metrics here. TODO.
1510         (*descent) = 0;
1511     }
1512     if (externalLeading) (*externalLeading) = 0;  // ??
1513
1514     g_object_unref( G_OBJECT( layout ) );
1515 #else
1516     wxFont fontToUse = m_font;
1517     if (font) fontToUse = *font;
1518
1519     wxCHECK_RET( fontToUse.Ok(), "invalid font" );
1520
1521     XFontStruct *xfont = (XFontStruct*) fontToUse.GetFontStruct( m_scaleY, m_display );
1522
1523     wxCHECK_RET( xfont, wxT("invalid font") );
1524
1525     int direction, ascent, descent2;
1526     XCharStruct overall;
1527
1528     XTextExtents( xfont, (char*) string.c_str(), string.Len(), &direction,
1529         &ascent, &descent2, &overall);
1530
1531     if (width)
1532         *width = (wxCoord)( overall.width / m_scaleX );
1533     if (height)
1534         *height = (wxCoord)((ascent + descent2) / m_scaleY );
1535     if (descent)
1536         *descent = (wxCoord)(descent2 / m_scaleY );
1537     if (externalLeading)
1538         *externalLeading = 0; // ??
1539 #endif
1540 }
1541
1542 wxCoord wxWindowDC::GetCharWidth() const
1543 {
1544     wxCHECK_MSG( Ok(), 0, "invalid dc" );
1545
1546 #if wxUSE_UNICODE
1547     PangoLayout *layout = pango_layout_new( m_context );
1548
1549     if (!m_fontdesc)
1550     {
1551         char *crash = NULL;
1552         *crash = 0;
1553     }
1554
1555     pango_layout_set_font_description(layout, m_fontdesc);
1556     pango_layout_set_text(layout, "H", 1 );
1557     int w,h;
1558     pango_layout_get_pixel_size(layout, &w, &h);
1559     g_object_unref( G_OBJECT( layout ) );
1560
1561     return w;
1562 #else
1563     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
1564
1565     XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1566
1567     wxCHECK_MSG( xfont, 0, wxT("invalid font") );
1568
1569     int direction, ascent, descent;
1570     XCharStruct overall;
1571
1572     XTextExtents( xfont, "H", 1, &direction, &ascent, &descent, &overall );
1573
1574     return (wxCoord)(overall.width / m_scaleX);
1575 #endif
1576 }
1577
1578 wxCoord wxWindowDC::GetCharHeight() const
1579 {
1580     wxCHECK_MSG( Ok(), 0, "invalid dc" );
1581
1582 #if wxUSE_UNICODE
1583     PangoLayout *layout = pango_layout_new( m_context );
1584
1585     if (!m_fontdesc)
1586     {
1587         char *crash = NULL;
1588         *crash = 0;
1589     }
1590
1591     pango_layout_set_font_description(layout, m_fontdesc);
1592
1593     pango_layout_set_text(layout, "H", 1 );
1594     int w,h;
1595     pango_layout_get_pixel_size(layout, &w, &h);
1596     g_object_unref( G_OBJECT( layout ) );
1597
1598     return h;
1599 #else
1600     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
1601
1602     XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1603
1604     wxCHECK_MSG( xfont, 0, wxT("invalid font") );
1605
1606     int direction, ascent, descent;
1607     XCharStruct overall;
1608
1609     XTextExtents( xfont, "H", 1, &direction, &ascent, &descent, &overall );
1610
1611     return (wxCoord)((ascent+descent) / m_scaleY);
1612 #endif
1613 }
1614
1615 void wxWindowDC::Clear()
1616 {
1617     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1618
1619     if (!m_window) return;
1620
1621     /* - we either are a memory dc or have a window as the
1622        owner. anything else shouldn't happen.
1623        - we don't use gdk_window_clear() as we don't set
1624        the window's background colour anymore. it is too
1625        much pain to keep the DC's and the window's back-
1626        ground colour in synch. */
1627
1628     if (m_owner)
1629     {
1630         int width,height;
1631         m_owner->GetSize( &width, &height );
1632         XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_bgGC, 0, 0, width, height );
1633         return;
1634     }
1635
1636     if (m_isMemDC)
1637     {
1638         int width,height;
1639         GetSize( &width, &height );
1640         XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_bgGC, 0, 0, width, height );
1641         return;
1642     }
1643 }
1644
1645 void wxWindowDC::SetFont( const wxFont &font )
1646 {
1647     wxCHECK_RET( Ok(), "invalid dc" );
1648
1649     m_font = font;
1650 }
1651
1652 void wxWindowDC::SetPen( const wxPen &pen )
1653 {
1654     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1655
1656     if (m_pen == pen) return;
1657
1658     m_pen = pen;
1659
1660     if (!m_pen.Ok()) return;
1661
1662     if (!m_window) return;
1663
1664     int width = m_pen.GetWidth();
1665     if (width <= 0)
1666     {
1667         // CMB: if width is non-zero scale it with the dc
1668         width = 1;
1669     }
1670     else
1671     {
1672         // X doesn't allow different width in x and y and so we take
1673         // the average
1674         double w = 0.5 +
1675                    ( fabs((double) XLOG2DEVREL(width)) +
1676                      fabs((double) YLOG2DEVREL(width)) ) / 2.0;
1677         width = (int)w;
1678     }
1679
1680     static const wxX11Dash dotted[] = {1, 1};
1681     static const wxX11Dash short_dashed[] = {2, 2};
1682     static const wxX11Dash long_dashed[] = {2, 4};
1683     static const wxX11Dash dotted_dashed[] = {3, 3, 1, 3};
1684
1685     // We express dash pattern in pen width unit, so we are
1686     // independent of zoom factor and so on...
1687     int req_nb_dash;
1688     const wxX11Dash *req_dash;
1689
1690     int lineStyle = LineSolid;
1691     switch (m_pen.GetStyle())
1692     {
1693         case wxUSER_DASH:
1694         {
1695             lineStyle = LineOnOffDash;
1696             req_nb_dash = m_pen.GetDashCount();
1697             req_dash = (wxX11Dash*)m_pen.GetDash();
1698             break;
1699         }
1700         case wxDOT:
1701         {
1702             lineStyle = LineOnOffDash;
1703             req_nb_dash = 2;
1704             req_dash = dotted;
1705             break;
1706         }
1707         case wxLONG_DASH:
1708         {
1709             lineStyle = LineOnOffDash;
1710             req_nb_dash = 2;
1711             req_dash = long_dashed;
1712             break;
1713         }
1714         case wxSHORT_DASH:
1715         {
1716             lineStyle = LineOnOffDash;
1717             req_nb_dash = 2;
1718             req_dash = short_dashed;
1719             break;
1720         }
1721         case wxDOT_DASH:
1722         {
1723 //            lineStyle = LineDoubleDash;
1724             lineStyle = LineOnOffDash;
1725             req_nb_dash = 4;
1726             req_dash = dotted_dashed;
1727             break;
1728         }
1729
1730         case wxTRANSPARENT:
1731         case wxSTIPPLE_MASK_OPAQUE:
1732         case wxSTIPPLE:
1733         case wxSOLID:
1734         default:
1735         {
1736             lineStyle = LineSolid;
1737             req_dash = (wxX11Dash*)NULL;
1738             req_nb_dash = 0;
1739             break;
1740         }
1741     }
1742
1743     int capStyle = CapRound;
1744     switch (m_pen.GetCap())
1745     {
1746         case wxCAP_PROJECTING: { capStyle = CapProjecting; break; }
1747         case wxCAP_BUTT:       { capStyle = CapButt;       break; }
1748         case wxCAP_ROUND:
1749         default:
1750         {
1751             if (width <= 1)
1752             {
1753                 width = 0;
1754                 capStyle = CapNotLast;
1755             }
1756             else
1757             {
1758                 capStyle = CapRound;
1759             }
1760             break;
1761         }
1762     }
1763
1764     int joinStyle = JoinRound;
1765     switch (m_pen.GetJoin())
1766     {
1767         case wxJOIN_BEVEL: { joinStyle = JoinBevel; break; }
1768         case wxJOIN_MITER: { joinStyle = JoinMiter; break; }
1769         case wxJOIN_ROUND:
1770         default:           { joinStyle = JoinRound; break; }
1771     }
1772
1773     XSetLineAttributes( (Display*) m_display, (GC) m_penGC, width, lineStyle, capStyle, joinStyle );
1774
1775     m_pen.GetColour().CalcPixel( m_cmap );
1776     XSetForeground( (Display*) m_display, (GC) m_penGC, m_pen.GetColour().GetPixel() );
1777 }
1778
1779 void wxWindowDC::SetBrush( const wxBrush &brush )
1780 {
1781     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1782
1783     if (m_brush == brush) return;
1784
1785     m_brush = brush;
1786
1787     if (!m_brush.Ok()) return;
1788
1789     if (!m_window) return;
1790
1791     m_brush.GetColour().CalcPixel( m_cmap );
1792     XSetForeground( (Display*) m_display, (GC) m_brushGC, m_brush.GetColour().GetPixel() );
1793
1794     XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillSolid );
1795
1796     if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
1797     {
1798         if (m_brush.GetStipple()->GetPixmap())
1799         {
1800             XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillTiled );
1801             XSetTile( (Display*) m_display, (GC) m_brushGC, (Pixmap) m_brush.GetStipple()->GetPixmap() );
1802         }
1803         else
1804         {
1805             XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillStippled );
1806             XSetStipple( (Display*) m_display, (GC) m_brushGC, (Pixmap) m_brush.GetStipple()->GetBitmap() );
1807         }
1808     }
1809
1810     if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
1811     {
1812         XSetFillStyle( (Display*) m_display, (GC) m_textGC, FillOpaqueStippled );
1813         XSetStipple( (Display*) m_display, (GC) m_textGC, (Pixmap) m_brush.GetStipple()->GetMask()->GetBitmap() );
1814     }
1815
1816     if (IS_HATCH(m_brush.GetStyle()))
1817     {
1818         XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillStippled );
1819         int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
1820         XSetStipple( (Display*) m_display, (GC) m_brushGC, hatches[num] );
1821     }
1822 }
1823
1824 void wxWindowDC::SetBackground( const wxBrush &brush )
1825 {
1826    /* CMB 21/7/98: Added SetBackground. Sets background brush
1827     * for Clear() and bg colour for shapes filled with cross-hatch brush */
1828
1829     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1830
1831     if (m_backgroundBrush == brush) return;
1832
1833     m_backgroundBrush = brush;
1834
1835     if (!m_backgroundBrush.Ok()) return;
1836
1837     if (!m_window) return;
1838
1839     m_backgroundBrush.GetColour().CalcPixel( m_cmap );
1840     XSetBackground( (Display*) m_display, (GC) m_brushGC, m_backgroundBrush.GetColour().GetPixel() );
1841     XSetBackground( (Display*) m_display, (GC) m_penGC, m_backgroundBrush.GetColour().GetPixel() );
1842     XSetBackground( (Display*) m_display, (GC) m_bgGC, m_backgroundBrush.GetColour().GetPixel() );
1843     XSetForeground( (Display*) m_display, (GC) m_bgGC, m_backgroundBrush.GetColour().GetPixel() );
1844
1845     XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillSolid );
1846
1847     if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
1848     {
1849         if (m_backgroundBrush.GetStipple()->GetPixmap())
1850         {
1851             XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillTiled );
1852             XSetTile( (Display*) m_display, (GC) m_bgGC, (Pixmap) m_backgroundBrush.GetStipple()->GetPixmap() );
1853         }
1854         else
1855         {
1856             XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillStippled );
1857             XSetStipple( (Display*) m_display, (GC) m_bgGC, (Pixmap) m_backgroundBrush.GetStipple()->GetBitmap() );
1858         }
1859     }
1860
1861     if (IS_HATCH(m_backgroundBrush.GetStyle()))
1862     {
1863         XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillStippled );
1864         int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
1865         XSetStipple( (Display*) m_display, (GC) m_bgGC, hatches[num] );
1866     }
1867 }
1868
1869 void wxWindowDC::SetLogicalFunction( int function )
1870 {
1871     wxCHECK_RET( Ok(), "invalid dc" );
1872
1873     int x_function;
1874
1875     if (m_logicalFunction == function)
1876         return;
1877
1878     // VZ: shouldn't this be a CHECK?
1879     if (!m_window)
1880         return;
1881
1882     switch (function)
1883     {
1884     case wxCLEAR:
1885         x_function = GXclear;
1886         break;
1887     case wxXOR:
1888         x_function = GXxor;
1889         break;
1890     case wxINVERT:
1891         x_function = GXinvert;
1892         break;
1893     case wxOR_REVERSE:
1894         x_function = GXorReverse;
1895         break;
1896     case wxAND_REVERSE:
1897         x_function = GXandReverse;
1898         break;
1899     case wxAND:
1900         x_function = GXand;
1901         break;
1902     case wxOR:
1903         x_function = GXor;
1904         break;
1905     case wxAND_INVERT:
1906         x_function = GXandInverted;
1907         break;
1908     case wxNO_OP:
1909         x_function = GXnoop;
1910         break;
1911     case wxNOR:
1912         x_function = GXnor;
1913         break;
1914     case wxEQUIV:
1915         x_function = GXequiv;
1916         break;
1917     case wxSRC_INVERT:
1918         x_function = GXcopyInverted;
1919         break;
1920     case wxOR_INVERT:
1921         x_function = GXorInverted;
1922         break;
1923     case wxNAND:
1924         x_function = GXnand;
1925         break;
1926     case wxSET:
1927         x_function = GXset;
1928         break;
1929     case wxCOPY:
1930     default:
1931         x_function = GXcopy;
1932         break;
1933     }
1934
1935     XSetFunction( (Display*) m_display, (GC) m_penGC, x_function );
1936     XSetFunction( (Display*) m_display, (GC) m_brushGC, x_function );
1937
1938     // to stay compatible with wxMSW, we don't apply ROPs to the text
1939     // operations (i.e. DrawText/DrawRotatedText).
1940     // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
1941     XSetFunction( (Display*) m_display, (GC) m_textGC, x_function );
1942
1943     m_logicalFunction = function;
1944 }
1945
1946 void wxWindowDC::SetTextForeground( const wxColour &col )
1947 {
1948     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1949
1950     // don't set m_textForegroundColour to an invalid colour as we'd crash
1951     // later then (we use m_textForegroundColour.GetColor() without checking
1952     // in a few places)
1953     if ( !col.Ok() || (m_textForegroundColour == col) )
1954         return;
1955
1956     m_textForegroundColour = col;
1957
1958     if (m_window)
1959     {
1960         m_textForegroundColour.CalcPixel( m_cmap );
1961         XSetForeground( (Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel() );
1962     }
1963 }
1964
1965 void wxWindowDC::SetTextBackground( const wxColour &col )
1966 {
1967     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1968
1969     // same as above
1970     if ( !col.Ok() || (m_textBackgroundColour == col) )
1971         return;
1972
1973     m_textBackgroundColour = col;
1974
1975     if (m_window)
1976     {
1977         m_textBackgroundColour.CalcPixel( m_cmap );
1978         XSetBackground( (Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel() );
1979     }
1980 }
1981
1982 void wxWindowDC::SetBackgroundMode( int mode )
1983 {
1984     wxCHECK_RET( Ok(), wxT("invalid window dc") );
1985
1986     m_backgroundMode = mode;
1987
1988 #if wxUSE_NANOX
1989     GrSetGCUseBackground((GC) m_textGC, mode == wxTRANSPARENT ? FALSE : TRUE);
1990 #endif
1991
1992     if (!m_window) return;
1993
1994     // CMB 21/7/98: fill style of cross-hatch brushes is affected by
1995     // transparent/solid background mode
1996
1997     if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
1998     {
1999         XSetFillStyle( (Display*) m_display, (GC) m_brushGC,
2000           (m_backgroundMode == wxTRANSPARENT) ? FillStippled : FillOpaqueStippled );
2001     }
2002 }
2003
2004 void wxWindowDC::SetPalette( const wxPalette& palette )
2005 {
2006 #if 0
2007     if (m_window)
2008     {
2009         if (palette.Ok())
2010             /* Use GetXColormap */
2011             XSetWindowColormap ((Display*) m_display, (Window) m_window->GetXWindow(),
2012             (Colormap) palette.GetXColormap());
2013         else
2014             /* Use wxGetMainColormap */
2015             XSetWindowColormap ((Display*) m_display, (Window) m_window->GetXWindow(),
2016             (Colormap) wxTheApp->GetMainColormap(m_display));
2017     }
2018 #endif
2019 }
2020
2021 void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
2022 {
2023     wxCHECK_RET( Ok(), wxT("invalid window dc") );
2024
2025     if (!m_window) return;
2026
2027     wxRect rect;
2028     rect.x = XLOG2DEV(x);
2029     rect.y = YLOG2DEV(y);
2030     rect.width = XLOG2DEVREL(width);
2031     rect.height = YLOG2DEVREL(height);
2032
2033     if (!m_currentClippingRegion.IsNull())
2034         m_currentClippingRegion.Intersect( rect );
2035     else
2036         m_currentClippingRegion.Union( rect );
2037
2038 #if USE_PAINT_REGION
2039     if (!m_paintClippingRegion.IsNull())
2040         m_currentClippingRegion.Intersect( m_paintClippingRegion );
2041 #endif
2042
2043     wxCoord xx, yy, ww, hh;
2044     m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2045     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2046
2047     XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2048     XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2049     XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2050     XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2051 }
2052
2053 void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
2054 {
2055     wxCHECK_RET( Ok(), wxT("invalid window dc") );
2056
2057     if (region.Empty())
2058     {
2059         DestroyClippingRegion();
2060         return;
2061     }
2062
2063     if (!m_window) return;
2064
2065     if (!m_currentClippingRegion.IsNull())
2066         m_currentClippingRegion.Intersect( region );
2067     else
2068         m_currentClippingRegion.Union( region );
2069
2070 #if USE_PAINT_REGION
2071     if (!m_paintClippingRegion.IsNull())
2072         m_currentClippingRegion.Intersect( m_paintClippingRegion );
2073 #endif
2074
2075     wxCoord xx, yy, ww, hh;
2076     m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2077     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2078
2079     XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2080     XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2081     XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2082     XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2083 }
2084
2085 void wxWindowDC::DestroyClippingRegion()
2086 {
2087     wxCHECK_RET( Ok(), wxT("invalid window dc") );
2088
2089     wxDC::DestroyClippingRegion();
2090
2091     m_currentClippingRegion.Clear();
2092
2093 #if USE_PAINT_REGION
2094     if (!m_paintClippingRegion.IsEmpty())
2095         m_currentClippingRegion.Union( m_paintClippingRegion );
2096 #endif
2097
2098     if (!m_window) return;
2099
2100     if (m_currentClippingRegion.IsEmpty())
2101     {
2102         XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
2103         XSetClipMask( (Display*) m_display, (GC) m_brushGC, None );
2104         XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
2105         XSetClipMask( (Display*) m_display, (GC) m_bgGC, None );
2106     }
2107     else
2108     {
2109         XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2110         XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2111         XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2112         XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2113     }
2114 }
2115
2116 void wxWindowDC::Destroy()
2117 {
2118     if (m_penGC) wxFreePoolGC( (GC) m_penGC );
2119     m_penGC = NULL;
2120     if (m_brushGC) wxFreePoolGC( (GC) m_brushGC );
2121     m_brushGC = NULL;
2122     if (m_textGC) wxFreePoolGC( (GC) m_textGC );
2123     m_textGC = NULL;
2124     if (m_bgGC) wxFreePoolGC( (GC) m_bgGC );
2125     m_bgGC = NULL;
2126 }
2127
2128 void wxWindowDC::ComputeScaleAndOrigin()
2129 {
2130     /* CMB: copy scale to see if it changes */
2131     double origScaleX = m_scaleX;
2132     double origScaleY = m_scaleY;
2133
2134     wxDC::ComputeScaleAndOrigin();
2135
2136     /* CMB: if scale has changed call SetPen to recalulate the line width */
2137     if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
2138         (m_pen.Ok()))
2139     {
2140       /* this is a bit artificial, but we need to force wxDC to think
2141          the pen has changed */
2142       wxPen pen = m_pen;
2143       m_pen = wxNullPen;
2144       SetPen( pen );
2145   }
2146 }
2147
2148 wxSize wxWindowDC::GetPPI() const
2149 {
2150     return wxSize(100, 100);
2151 }
2152
2153 int wxWindowDC::GetDepth() const
2154 {
2155     wxFAIL_MSG(wxT("not implemented"));
2156
2157     return -1;
2158 }
2159
2160 //-----------------------------------------------------------------------------
2161 // wxClientDC
2162 //-----------------------------------------------------------------------------
2163
2164 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
2165
2166 wxClientDC::wxClientDC( wxWindow *window )
2167           : wxWindowDC( window )
2168 {
2169     wxCHECK_RET( window, _T("NULL window in wxClientDC::wxClientDC") );
2170
2171     m_window = (WXWindow*) window->GetClientAreaWindow();
2172
2173     // Adjust the client area when the wxWindow is not using 2 X11 windows.
2174     if (m_window == (WXWindow*) window->GetMainWindow())
2175     {
2176         wxPoint ptOrigin = window->GetClientAreaOrigin();
2177         SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
2178         wxSize size = window->GetClientSize();
2179         SetClippingRegion(wxPoint(0, 0), size);
2180     }
2181 }
2182
2183 void wxClientDC::DoGetSize(int *width, int *height) const
2184 {
2185     wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
2186
2187     m_owner->GetClientSize( width, height );
2188 }
2189
2190 // ----------------------------------------------------------------------------
2191 // wxPaintDC
2192 // ----------------------------------------------------------------------------
2193
2194 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
2195
2196 wxPaintDC::wxPaintDC(wxWindow* window)
2197   : wxClientDC(window)
2198 {
2199 #if USE_PAINT_REGION
2200     if (!window->GetClipPaintRegion())
2201         return;
2202
2203     m_paintClippingRegion = window->GetUpdateRegion();
2204     Region region = (Region) m_paintClippingRegion.GetX11Region();
2205     if (region)
2206     {
2207             m_currentClippingRegion.Union( m_paintClippingRegion );
2208
2209             XSetRegion( (Display*) m_display, (GC) m_penGC, region );
2210             XSetRegion( (Display*) m_display, (GC) m_brushGC, region );
2211             XSetRegion( (Display*) m_display, (GC) m_textGC, region );
2212             XSetRegion( (Display*) m_display, (GC) m_bgGC, region );
2213     }
2214 #endif // USE_PAINT_REGION
2215 }
2216
2217 // ----------------------------------------------------------------------------
2218 // wxDCModule
2219 // ----------------------------------------------------------------------------
2220
2221 class wxDCModule : public wxModule
2222 {
2223 public:
2224     bool OnInit();
2225     void OnExit();
2226
2227 private:
2228     DECLARE_DYNAMIC_CLASS(wxDCModule)
2229 };
2230
2231 IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
2232
2233 bool wxDCModule::OnInit()
2234 {
2235     wxInitGCPool();
2236     return TRUE;
2237 }
2238
2239 void wxDCModule::OnExit()
2240 {
2241     wxCleanUpGCPool();
2242 }