src/gtk/gnome/gprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/gnome/gprint.cpp
   3 // Author:      Robert Roebling
   4 // Purpose:     Implement GNOME printing support
   5 // Created:     09/20/04
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/gtk/gnome/gprint.h"
  19
  20 #if wxUSE_LIBGNOMEPRINT
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24     #include "wx/dcmemory.h"
  25     #include "wx/icon.h"
  26     #include "wx/math.h"
  27     #include "wx/image.h"
  28     #include "wx/module.h"
  29 #endif
  30
  31 #include "wx/fontutil.h"
  32 #include "wx/gtk/private.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35
  36 #include <libgnomeprint/gnome-print.h>
  37 #include <libgnomeprint/gnome-print-pango.h>
  38 #include <libgnomeprint/gnome-print-config.h>
  39 #include <libgnomeprintui/gnome-print-dialog.h>
  40 #include <libgnomeprintui/gnome-print-job-preview.h>
  41 #include <libgnomeprintui/gnome-print-paper-selector.h>
  42
  43 static const double RAD2DEG  = 180.0 / M_PI;
  44
  45 #include "wx/html/forcelnk.h"
  46 FORCE_LINK_ME(gnome_print)
  47
  48 //----------------------------------------------------------------------------
  49 // wxGnomePrintLibrary
  50 //----------------------------------------------------------------------------
  51
  52 #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
  53     typedef rettype (* name ## Type) args ; \
  54     name ## Type pfn_ ## name; \
  55     rettype name args \
  56     { if (m_ok) return pfn_ ## name shortargs ; return defret; }
  57
  58 #define wxDL_METHOD_LOAD( lib, name, success ) \
  59     pfn_ ## name = (name ## Type) lib->GetSymbol( wxT(#name), &success ); \
  60     if (!success) return;
  61
  62 class wxGnomePrintLibrary
  63 {
  64 public:
  65     wxGnomePrintLibrary();
  66     ~wxGnomePrintLibrary();
  67
  68     bool IsOk();
  69     void InitializeMethods();
  70
  71 private:
  72     bool              m_ok;
  73     wxDynamicLibrary *m_gnome_print_lib;
  74     wxDynamicLibrary *m_gnome_printui_lib;
  75
  76 public:
  77     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  78         (GnomePrintContext *pc), (pc), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  80         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  82         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  84         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  86         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  88         (GnomePrintContext *pc), (pc), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  90         (GnomePrintContext *pc), (pc), 0 )
  91     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  92         (GnomePrintContext *pc), (pc), 0 )
  93     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  94         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  95     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  96         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  97     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  98         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  99
 100     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
 101         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 102     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
 103         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 104
 105     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 106         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 107     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 108         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 109     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 110         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 111     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 112         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 113
 114     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 115         (GnomePrintContext *pc), (pc), 0 )
 116     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 117         (GnomePrintContext *pc), (pc), 0 )
 118
 119     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 120         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 121     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 122         (GnomePrintContext *pc), (pc), 0 )
 123     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 124         (GnomePrintContext *pc), (pc), 0 )
 125
 126     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 127         (GnomePrintContext *gpc), (gpc), NULL )
 128     wxDL_METHOD_DEFINE( void, gnome_print_pango_layout,
 129         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout), /**/ )
 130
 131     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 132         (GnomePrintConfig *config), (config), NULL )
 133     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 134         (GnomePrintJob *job), (job), NULL )
 135     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 136         (GnomePrintJob *job), (job), 0 )
 137     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 138         (GnomePrintJob *job), (job), 0 )
 139     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 140         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 141
 142     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 143         (const guchar *abbreviation), (abbreviation), NULL )
 144     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 145         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 146
 147     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 148         (void), (), NULL )
 149     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 150         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 151     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 152         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 153
 154     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 155         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 156     wxDL_METHOD_DEFINE( void, gnome_print_dialog_construct_range_page,
 157         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 158         const guchar *currentlabel, const guchar *rangelabel),
 159         (gpd, flags, start, end, currentlabel, rangelabel), /**/ )
 160     wxDL_METHOD_DEFINE( void, gnome_print_dialog_get_copies,
 161         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate), /**/ )
 162     wxDL_METHOD_DEFINE( void, gnome_print_dialog_set_copies,
 163         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate), /**/ )
 164     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 165         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 166     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 167         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 168
 169     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 170         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 171
 172     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 173         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 174 };
 175
 176 wxGnomePrintLibrary::wxGnomePrintLibrary()
 177 {
 178     m_gnome_print_lib = NULL;
 179     m_gnome_printui_lib = NULL;
 180
 181     wxLogNull log;
 182
 183     m_gnome_print_lib = new wxDynamicLibrary( wxT("libgnomeprint-2-2.so.0") );
 184     m_ok = m_gnome_print_lib->IsLoaded();
 185     if (!m_ok) return;
 186
 187     m_gnome_printui_lib = new wxDynamicLibrary( wxT("libgnomeprintui-2-2.so.0") );
 188     m_ok = m_gnome_printui_lib->IsLoaded();
 189     if (!m_ok) return;
 190
 191     InitializeMethods();
 192 }
 193
 194 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 195 {
 196     if (m_gnome_print_lib)
 197         delete m_gnome_print_lib;
 198     if (m_gnome_printui_lib)
 199         delete m_gnome_printui_lib;
 200 }
 201
 202 bool wxGnomePrintLibrary::IsOk()
 203 {
 204     return m_ok;
 205 }
 206
 207 void wxGnomePrintLibrary::InitializeMethods()
 208 {
 209     m_ok = false;
 210     bool success;
 211
 212     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_newpath, success )
 213     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_moveto, success )
 214     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_lineto, success )
 215     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_curveto, success )
 216     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_arcto, success )
 217     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_closepath, success )
 218     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_stroke, success )
 219     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_fill, success )
 220     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setrgbcolor, success )
 221     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setlinewidth, success )
 222     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setdash, success )
 223
 224     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbimage, success )
 225     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbaimage, success )
 226
 227     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_concat, success )
 228     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_scale, success )
 229     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rotate, success )
 230     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_translate, success )
 231
 232     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_gsave, success )
 233     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_grestore, success )
 234
 235     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_beginpage, success )
 236     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_showpage, success )
 237     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_end_doc, success )
 238
 239     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_create_layout, success )
 240     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_layout, success )
 241
 242     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_new, success )
 243     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_context, success )
 244     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_close, success )
 245     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_print, success )
 246     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_page_size, success )
 247
 248     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_unit_get_by_abbreviation, success )
 249     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_convert_distance, success )
 250
 251     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_default, success )
 252     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_set, success )
 253     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_get_length, success )
 254
 255     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_new, success )
 256     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_construct_range_page, success )
 257     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_copies, success )
 258     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_set_copies, success )
 259     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range, success )
 260     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range_page, success )
 261
 262     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_paper_selector_new_with_flags, success )
 263
 264     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_job_preview_new, success )
 265
 266     m_ok = true;
 267 }
 268
 269 static wxGnomePrintLibrary* gs_lgp = NULL;
 270
 271 //----------------------------------------------------------------------------
 272 // wxGnomePrintNativeData
 273 //----------------------------------------------------------------------------
 274
 275 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 276
 277 wxGnomePrintNativeData::wxGnomePrintNativeData()
 278 {
 279     m_config = gs_lgp->gnome_print_config_default();
 280     m_job = gs_lgp->gnome_print_job_new( m_config );
 281 }
 282
 283 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 284 {
 285     g_object_unref (m_config);
 286 }
 287
 288 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 289 {
 290     // TODO
 291     return true;
 292 }
 293
 294 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 295 {
 296     // TODO
 297     return true;
 298 }
 299
 300 //----------------------------------------------------------------------------
 301 // wxGnomePrintFactory
 302 //----------------------------------------------------------------------------
 303
 304 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 305 {
 306     return new wxGnomePrinter( data );
 307 }
 308
 309 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 310                                                     wxPrintout *printout,
 311                                                     wxPrintDialogData *data )
 312 {
 313     return new wxGnomePrintPreview( preview, printout, data );
 314 }
 315
 316 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 317                                                     wxPrintout *printout,
 318                                                     wxPrintData *data )
 319 {
 320     return new wxGnomePrintPreview( preview, printout, data );
 321 }
 322
 323 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 324                                                   wxPrintDialogData *data )
 325 {
 326     return new wxGnomePrintDialog( parent, data );
 327 }
 328
 329 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 330                                                   wxPrintData *data )
 331 {
 332     return new wxGnomePrintDialog( parent, data );
 333 }
 334
 335 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 336                                                           wxPageSetupDialogData * data )
 337 {
 338 //  The native page setup dialog is broken. It
 339 //  miscalculates newly entered values for the
 340 //  margins if you have not chose "points" but
 341 //  e.g. centimerters.
 342 //  This has been fixed in GNOME CVS (maybe
 343 //  fixed in libgnomeprintui 2.8.1)
 344
 345     return new wxGnomePageSetupDialog( parent, data );
 346 }
 347
 348 bool wxGnomePrintFactory::HasPrintSetupDialog()
 349 {
 350     return false;
 351 }
 352
 353 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 354 {
 355     return NULL;
 356 }
 357
 358 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 359 {
 360     return new wxGnomePrintDC(data);
 361 }
 362
 363 bool wxGnomePrintFactory::HasOwnPrintToFile()
 364 {
 365     return true;
 366 }
 367
 368 bool wxGnomePrintFactory::HasPrinterLine()
 369 {
 370     return true;
 371 }
 372
 373 wxString wxGnomePrintFactory::CreatePrinterLine()
 374 {
 375     // redundant now
 376     return wxEmptyString;
 377 }
 378
 379 bool wxGnomePrintFactory::HasStatusLine()
 380 {
 381     // redundant now
 382     return true;
 383 }
 384
 385 wxString wxGnomePrintFactory::CreateStatusLine()
 386 {
 387     // redundant now
 388     return wxEmptyString;
 389 }
 390
 391 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 392 {
 393     return new wxGnomePrintNativeData;
 394 }
 395
 396 //----------------------------------------------------------------------------
 397 // wxGnomePrintSetupDialog
 398 //----------------------------------------------------------------------------
 399
 400 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 401
 402 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 403                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 404                                wxPoint(0, 0), wxSize(600, 600),
 405                                wxDEFAULT_DIALOG_STYLE |
 406                                wxTAB_TRAVERSAL)
 407 {
 408     if (data)
 409         m_printDialogData = *data;
 410
 411     Init();
 412 }
 413
 414 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 415                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 416                                wxPoint(0, 0), wxSize(600, 600),
 417                                wxDEFAULT_DIALOG_STYLE |
 418                                wxTAB_TRAVERSAL)
 419 {
 420     if (data)
 421         m_printDialogData = *data;
 422
 423     Init();
 424 }
 425
 426 void wxGnomePrintDialog::Init()
 427 {
 428     wxPrintData data = m_printDialogData.GetPrintData();
 429
 430     wxGnomePrintNativeData *native =
 431       (wxGnomePrintNativeData*) data.GetNativeData();
 432
 433     m_widget = gs_lgp->gnome_print_dialog_new( native->GetPrintJob(),
 434                                        (guchar*)"Print",
 435                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 436
 437     int flag = 0;
 438     if (m_printDialogData.GetEnableSelection())
 439         flag |= GNOME_PRINT_RANGE_SELECTION;
 440     if (m_printDialogData.GetEnablePageNumbers())
 441         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 442
 443     gs_lgp->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 444                                              flag,
 445                                              m_printDialogData.GetMinPage(),
 446                                              m_printDialogData.GetMaxPage(),
 447                                              NULL,
 448                                              NULL );
 449 }
 450
 451 wxGnomePrintDialog::~wxGnomePrintDialog()
 452 {
 453     m_widget = NULL;
 454 }
 455
 456 int wxGnomePrintDialog::ShowModal()
 457 {
 458     // Transfer data from m_printDalogData to dialog here
 459
 460     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 461
 462     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 463     {
 464         gtk_widget_destroy(m_widget);
 465         m_widget = NULL;
 466
 467         return wxID_CANCEL;
 468     }
 469
 470     gint copies = 1;
 471     gboolean collate = false;
 472     gs_lgp->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 473     m_printDialogData.SetNoCopies( copies );
 474     m_printDialogData.SetCollate( collate );
 475
 476     switch (gs_lgp->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 477     {
 478         case GNOME_PRINT_RANGE_SELECTION:
 479             m_printDialogData.SetSelection( true );
 480             break;
 481         case GNOME_PRINT_RANGE_ALL:
 482             m_printDialogData.SetAllPages( true );
 483             m_printDialogData.SetFromPage( 0 );
 484             m_printDialogData.SetToPage( 9999 );
 485             break;
 486         case GNOME_PRINT_RANGE_RANGE:
 487         default:
 488             gint start,end;
 489             gs_lgp->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 490             m_printDialogData.SetFromPage( start );
 491             m_printDialogData.SetToPage( end );
 492             break;
 493     }
 494
 495     gtk_widget_destroy(m_widget);
 496     m_widget = NULL;
 497
 498     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 499         return wxID_PREVIEW;
 500
 501     return wxID_OK;
 502 }
 503
 504 wxDC *wxGnomePrintDialog::GetPrintDC()
 505 {
 506     // Later
 507     return NULL;
 508 }
 509
 510 bool wxGnomePrintDialog::Validate()
 511 {
 512     return true;
 513 }
 514
 515 bool wxGnomePrintDialog::TransferDataToWindow()
 516 {
 517     return true;
 518 }
 519
 520 bool wxGnomePrintDialog::TransferDataFromWindow()
 521 {
 522     return true;
 523 }
 524
 525 //----------------------------------------------------------------------------
 526 // wxGnomePageSetupDialog
 527 //----------------------------------------------------------------------------
 528
 529 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 530
 531 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 532                             wxPageSetupDialogData* data )
 533 {
 534     if (data)
 535         m_pageDialogData = *data;
 536
 537     wxGnomePrintNativeData *native =
 538       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 539
 540     // This is required as the page setup dialog
 541     // calculates wrong values otherwise.
 542     gs_lgp->gnome_print_config_set( native->GetPrintConfig(),
 543                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 544                             (const guchar*) "Pts" );
 545
 546     m_widget = gtk_dialog_new();
 547
 548     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 549
 550     GtkWidget *main = gs_lgp->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 551         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 552     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 553     gtk_widget_show (main);
 554
 555     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 556
 557     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 558
 559     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 560                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 561                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 562                             NULL);
 563
 564     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 565                             GTK_RESPONSE_OK);
 566 }
 567
 568 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 569 {
 570 }
 571
 572 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 573 {
 574     return m_pageDialogData;
 575 }
 576
 577 int wxGnomePageSetupDialog::ShowModal()
 578 {
 579     wxGnomePrintNativeData *native =
 580       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 581     GnomePrintConfig *config = native->GetPrintConfig();
 582
 583     // Transfer data from m_pageDialogData to native dialog
 584
 585     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 586
 587     if (ret == GTK_RESPONSE_OK)
 588     {
 589         // Transfer data back to m_pageDialogData
 590
 591         // I don't know how querying the last parameter works
 592         // I cannot test it as the dialog is currently broken
 593         // anyways (it only works for points).
 594         double ml,mr,mt,mb,pw,ph;
 595         gs_lgp->gnome_print_config_get_length (config,
 596             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 597         gs_lgp->gnome_print_config_get_length (config,
 598             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 599         gs_lgp->gnome_print_config_get_length (config,
 600             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 601         gs_lgp->gnome_print_config_get_length (config,
 602             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 603         gs_lgp->gnome_print_config_get_length (config,
 604             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 605         gs_lgp->gnome_print_config_get_length (config,
 606             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 607
 608         // This probably assumes that the user entered the
 609         // values in Pts. Since that is the only the dialog
 610         // works right now, we need to fix this later.
 611         const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 612         const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 613         gs_lgp->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 614         gs_lgp->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 615         gs_lgp->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 616         gs_lgp->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 617         gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 618         gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 619
 620         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 621         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 622
 623         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 624
 625 #if 0
 626         wxPrintf( wxT("paper %d %d, top margin %d\n"),
 627             m_pageDialogData.GetPaperSize().x,
 628             m_pageDialogData.GetPaperSize().y,
 629             m_pageDialogData.GetMarginTopLeft().x );
 630 #endif
 631
 632         ret = wxID_OK;
 633     }
 634     else
 635     {
 636         ret = wxID_CANCEL;
 637     }
 638
 639     gtk_widget_destroy( m_widget );
 640     m_widget = NULL;
 641
 642     return ret;
 643 }
 644
 645 bool wxGnomePageSetupDialog::Validate()
 646 {
 647     return true;
 648 }
 649
 650 bool wxGnomePageSetupDialog::TransferDataToWindow()
 651 {
 652     return true;
 653 }
 654
 655 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 656 {
 657     return true;
 658 }
 659
 660 //----------------------------------------------------------------------------
 661 // wxGnomePrinter
 662 //----------------------------------------------------------------------------
 663
 664 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 665
 666 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 667     wxPrinterBase( data )
 668 {
 669     m_gpc = NULL;
 670     m_native_preview = false;
 671 }
 672
 673 wxGnomePrinter::~wxGnomePrinter()
 674 {
 675 }
 676
 677 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 678 {
 679     if (!printout)
 680     {
 681         sm_lastError = wxPRINTER_ERROR;
 682         return false;
 683     }
 684
 685     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 686     wxGnomePrintNativeData *native =
 687         (wxGnomePrintNativeData*) printdata.GetNativeData();
 688
 689     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 690     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 691
 692     // The GnomePrintJob is temporarily stored in the
 693     // native print data as the native print dialog
 694     // needs to access it.
 695     native->SetPrintJob( job );
 696
 697
 698     printout->SetIsPreview(false);
 699
 700     if (m_printDialogData.GetMinPage() < 1)
 701         m_printDialogData.SetMinPage(1);
 702     if (m_printDialogData.GetMaxPage() < 1)
 703         m_printDialogData.SetMaxPage(9999);
 704
 705     wxDC *dc;
 706     if (prompt)
 707         dc = PrintDialog( parent );
 708     else
 709         dc = new wxGnomePrintDC( this );
 710
 711     if (m_native_preview)
 712         printout->SetIsPreview(true);
 713
 714     if (!dc)
 715     {
 716         gs_lgp->gnome_print_job_close( job );
 717         g_object_unref (job);
 718         sm_lastError = wxPRINTER_ERROR;
 719         return false;
 720     }
 721
 722     wxSize ScreenPixels = wxGetDisplaySize();
 723     wxSize ScreenMM = wxGetDisplaySizeMM();
 724
 725     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 726                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 727     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 728                              wxGnomePrintDC::GetResolution() );
 729
 730     printout->SetDC(dc);
 731
 732     int w, h;
 733     dc->GetSize(&w, &h);
 734     printout->SetPageSizePixels((int)w, (int)h);
 735     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 736     int mw, mh;
 737     dc->GetSizeMM(&mw, &mh);
 738     printout->SetPageSizeMM((int)mw, (int)mh);
 739     printout->OnPreparePrinting();
 740
 741     // Get some parameters from the printout, if defined
 742     int fromPage, toPage;
 743     int minPage, maxPage;
 744     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 745
 746     if (maxPage == 0)
 747     {
 748         gs_lgp->gnome_print_job_close( job );
 749         g_object_unref (job);
 750         sm_lastError = wxPRINTER_ERROR;
 751         return false;
 752     }
 753
 754     printout->OnBeginPrinting();
 755
 756     int minPageNum = minPage, maxPageNum = maxPage;
 757
 758     if ( !m_printDialogData.GetAllPages() )
 759     {
 760         minPageNum = m_printDialogData.GetFromPage();
 761         maxPageNum = m_printDialogData.GetToPage();
 762     }
 763
 764
 765     int copyCount;
 766     for ( copyCount = 1;
 767           copyCount <= m_printDialogData.GetNoCopies();
 768           copyCount++ )
 769     {
 770         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 771         {
 772             wxLogError(_("Could not start printing."));
 773             sm_lastError = wxPRINTER_ERROR;
 774             break;
 775         }
 776
 777         int pn;
 778         for ( pn = minPageNum;
 779               pn <= maxPageNum && printout->HasPage(pn);
 780               pn++ )
 781         {
 782             dc->StartPage();
 783             printout->OnPrintPage(pn);
 784             dc->EndPage();
 785         }
 786
 787         printout->OnEndDocument();
 788         printout->OnEndPrinting();
 789     }
 790
 791     gs_lgp->gnome_print_job_close( job );
 792     if (m_native_preview)
 793     {
 794         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 795         GtkWidget *preview = gs_lgp->gnome_print_job_preview_new
 796                                      (
 797                                         job,
 798                                         (const guchar *)title.data()
 799                                      );
 800         gtk_widget_show(preview);
 801     }
 802     else
 803     {
 804         gs_lgp->gnome_print_job_print( job );
 805     }
 806
 807     g_object_unref (job);
 808     delete dc;
 809
 810     return (sm_lastError == wxPRINTER_NO_ERROR);
 811 }
 812
 813 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 814 {
 815     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 816     int ret = dialog.ShowModal();
 817     if (ret == wxID_CANCEL)
 818     {
 819         sm_lastError = wxPRINTER_CANCELLED;
 820         return NULL;
 821     }
 822
 823     m_native_preview = ret == wxID_PREVIEW;
 824
 825     m_printDialogData = dialog.GetPrintDialogData();
 826     return new wxGnomePrintDC( this );
 827 }
 828
 829 bool wxGnomePrinter::Setup( wxWindow *parent )
 830 {
 831     return false;
 832 }
 833
 834 //-----------------------------------------------------------------------------
 835 // wxGnomePrintDC
 836 //-----------------------------------------------------------------------------
 837
 838 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 839
 840 wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 841 {
 842     m_printer = printer;
 843
 844     m_gpc = printer->GetPrintContext();
 845     m_job = NULL; // only used and destroyed when created with wxPrintData
 846
 847     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 848     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 849
 850     m_currentRed = 0;
 851     m_currentBlue = 0;
 852     m_currentGreen = 0;
 853
 854     m_signX =  1;  // default x-axis left to right
 855     m_signY = -1;  // default y-axis bottom up -> top down
 856
 857     GetSize( NULL, &m_deviceOffsetY );
 858 }
 859
 860 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 861 {
 862     m_printer = NULL;
 863     m_printData = data;
 864
 865     wxGnomePrintNativeData *native =
 866         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 867
 868     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 869     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 870     m_job = job; // only used and destroyed when created with wxPrintData
 871
 872     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 873     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 874
 875     m_currentRed = 0;
 876     m_currentBlue = 0;
 877     m_currentGreen = 0;
 878
 879     m_signX =  1;  // default x-axis left to right
 880     m_signY = -1;  // default y-axis bottom up -> top down
 881
 882     GetSize( NULL, &m_deviceOffsetY );
 883 }
 884
 885 wxGnomePrintDC::~wxGnomePrintDC()
 886 {
 887     if (m_job)
 888         g_object_unref (m_job);
 889 }
 890
 891 bool wxGnomePrintDC::IsOk() const
 892 {
 893     return true;
 894 }
 895
 896 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 897 {
 898     return false;
 899 }
 900
 901 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
 902 {
 903     return false;
 904 }
 905
 906 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 907 {
 908     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 909
 910     SetPen( m_pen );
 911
 912     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
 913     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
 914     gs_lgp->gnome_print_stroke ( m_gpc);
 915
 916     CalcBoundingBox( x1, y1 );
 917     CalcBoundingBox( x2, y2 );
 918 }
 919
 920 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
 921 {
 922 }
 923
 924 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
 925 {
 926     double dx = x1 - xc;
 927     double dy = y1 - yc;
 928     double radius = sqrt((double)(dx*dx+dy*dy));
 929     double alpha1, alpha2;
 930     if (x1 == x2 && y1 == y2)
 931     {
 932         alpha1 = 0.0;
 933         alpha2 = 360.0;
 934     }
 935     else
 936     if (radius == 0.0)
 937     {
 938         alpha1 = alpha2 = 0.0;
 939     }
 940     else
 941     {
 942         alpha1 = (x1 - xc == 0) ?
 943             (y1 - yc < 0) ? 90.0 : -90.0 :
 944             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 945         alpha2 = (x2 - xc == 0) ?
 946             (y2 - yc < 0) ? 90.0 : -90.0 :
 947             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 948
 949         while (alpha1 <= 0)   alpha1 += 360;
 950         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 951         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 952         while (alpha2 > 360)  alpha2 -= 360;
 953     }
 954
 955         if (m_brush.GetStyle() != wxTRANSPARENT)
 956         {
 957             SetBrush( m_brush );
 958             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 959             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 960
 961             gs_lgp->gnome_print_fill( m_gpc );
 962         }
 963
 964         if (m_pen.GetStyle() != wxTRANSPARENT)
 965         {
 966             SetPen (m_pen);
 967             gs_lgp->gnome_print_newpath( m_gpc );
 968             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 969             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 970             gs_lgp->gnome_print_closepath( m_gpc );
 971
 972             gs_lgp->gnome_print_stroke( m_gpc );
 973         }
 974
 975     CalcBoundingBox (x1, y1);
 976     CalcBoundingBox (x2, y2);
 977     CalcBoundingBox (xc, yc);
 978 }
 979
 980 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 981 {
 982     x += w/2;
 983     y += h/2;
 984
 985     int xx = XLOG2DEV(x);
 986     int yy = YLOG2DEV(y);
 987
 988     gs_lgp->gnome_print_gsave( m_gpc );
 989
 990     gs_lgp->gnome_print_translate( m_gpc, xx, yy );
 991     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
 992     gs_lgp->gnome_print_scale( m_gpc, 1.0, scale );
 993
 994     xx = 0;
 995     yy = 0;
 996
 997     if (m_brush.GetStyle () != wxTRANSPARENT)
 998     {
 999         SetBrush( m_brush );
1000
1001         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
1002         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1003             XLOG2DEVREL(w)/2, sa, ea, 0 );
1004         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
1005
1006         gs_lgp->gnome_print_fill( m_gpc );
1007     }
1008
1009     if (m_pen.GetStyle () != wxTRANSPARENT)
1010     {
1011         SetPen (m_pen);
1012
1013         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1014             XLOG2DEVREL(w)/2, sa, ea, 0 );
1015
1016         gs_lgp->gnome_print_stroke( m_gpc );
1017     }
1018
1019     gs_lgp->gnome_print_grestore( m_gpc );
1020
1021     CalcBoundingBox( x, y );
1022     CalcBoundingBox( x+w, y+h );
1023 }
1024
1025 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1026 {
1027 }
1028
1029 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1030 {
1031     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1032
1033     if (n <= 0) return;
1034
1035     SetPen (m_pen);
1036
1037     int i;
1038     for ( i =0; i<n ; i++ )
1039         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1040
1041     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1042
1043     for (i = 1; i < n; i++)
1044         gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1045
1046     gs_lgp->gnome_print_stroke ( m_gpc);
1047 }
1048
1049 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1050 {
1051     if (n==0) return;
1052
1053     if (m_brush.GetStyle () != wxTRANSPARENT)
1054     {
1055         SetBrush( m_brush );
1056
1057         int x = points[0].x + xoffset;
1058         int y = points[0].y + yoffset;
1059         CalcBoundingBox( x, y );
1060         gs_lgp->gnome_print_newpath( m_gpc );
1061         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1062         int i;
1063         for (i = 1; i < n; i++)
1064         {
1065             int x = points[i].x + xoffset;
1066             int y = points[i].y + yoffset;
1067             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1068             CalcBoundingBox( x, y );
1069         }
1070         gs_lgp->gnome_print_closepath( m_gpc );
1071         gs_lgp->gnome_print_fill( m_gpc );
1072     }
1073
1074     if (m_pen.GetStyle () != wxTRANSPARENT)
1075     {
1076         SetPen (m_pen);
1077
1078         int x = points[0].x + xoffset;
1079         int y = points[0].y + yoffset;
1080         gs_lgp->gnome_print_newpath( m_gpc );
1081         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1082         int i;
1083         for (i = 1; i < n; i++)
1084         {
1085             int x = points[i].x + xoffset;
1086             int y = points[i].y + yoffset;
1087             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1088             CalcBoundingBox( x, y );
1089         }
1090         gs_lgp->gnome_print_closepath( m_gpc );
1091         gs_lgp->gnome_print_stroke( m_gpc );
1092     }
1093 }
1094
1095 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1096 {
1097     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1098 }
1099
1100 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1101 {
1102     if (m_brush.GetStyle () != wxTRANSPARENT)
1103     {
1104         SetBrush( m_brush );
1105
1106         gs_lgp->gnome_print_newpath( m_gpc );
1107         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1108         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1109         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1110         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1111         gs_lgp->gnome_print_closepath( m_gpc );
1112         gs_lgp->gnome_print_fill( m_gpc );
1113
1114         CalcBoundingBox( x, y );
1115         CalcBoundingBox( x + width, y + height );
1116     }
1117
1118     if (m_pen.GetStyle () != wxTRANSPARENT)
1119     {
1120         SetPen (m_pen);
1121
1122         gs_lgp->gnome_print_newpath( m_gpc );
1123         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1124         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1125         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1126         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1127         gs_lgp->gnome_print_closepath( m_gpc );
1128         gs_lgp->gnome_print_stroke( m_gpc );
1129
1130         CalcBoundingBox( x, y );
1131         CalcBoundingBox( x + width, y + height );
1132     }
1133 }
1134
1135 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1136 {
1137     wxCoord rad = (wxCoord) radius;
1138
1139     if (m_brush.GetStyle() != wxTRANSPARENT)
1140     {
1141         SetBrush(m_brush);
1142         gs_lgp->gnome_print_newpath(m_gpc);
1143         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1144         gs_lgp->gnome_print_curveto(m_gpc,
1145                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1146                                     XLOG2DEV(x),YLOG2DEV(y),
1147                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1148         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1149         gs_lgp->gnome_print_curveto(m_gpc,
1150                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1151                                     XLOG2DEV(x),YLOG2DEV(y + height),
1152                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1153         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1154         gs_lgp->gnome_print_curveto(m_gpc,
1155                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1156                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1157                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1158         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1159         gs_lgp->gnome_print_curveto(m_gpc,
1160                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1161                                     XLOG2DEV(x + width),YLOG2DEV(y),
1162                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1163         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1164         gs_lgp->gnome_print_closepath(m_gpc);
1165         gs_lgp->gnome_print_fill(m_gpc);
1166
1167         CalcBoundingBox(x,y);
1168         CalcBoundingBox(x+width,y+height);
1169     }
1170
1171     if (m_pen.GetStyle() != wxTRANSPARENT)
1172     {
1173         SetPen(m_pen);
1174         gs_lgp->gnome_print_newpath(m_gpc);
1175         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1176         gs_lgp->gnome_print_curveto(m_gpc,
1177                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1178                                     XLOG2DEV(x),YLOG2DEV(y),
1179                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1180         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1181         gs_lgp->gnome_print_curveto(m_gpc,
1182                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1183                                     XLOG2DEV(x),YLOG2DEV(y + height),
1184                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1185         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1186         gs_lgp->gnome_print_curveto(m_gpc,
1187                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1188                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1189                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1190         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1191         gs_lgp->gnome_print_curveto(m_gpc,
1192                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1193                                     XLOG2DEV(x + width),YLOG2DEV(y),
1194                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1195         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1196         gs_lgp->gnome_print_closepath(m_gpc);
1197         gs_lgp->gnome_print_stroke(m_gpc);
1198
1199         CalcBoundingBox(x,y);
1200         CalcBoundingBox(x+width,y+height);
1201     }
1202 }
1203
1204 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1205                                         wxCoord width, wxCoord height)
1206 {
1207     double r = 4 * (sqrt (2) - 1) / 3;
1208     double  halfW = 0.5 * width,
1209             halfH = 0.5 * height,
1210             halfWR = r * halfW,
1211             halfHR = r * halfH;
1212     wxCoord halfWI = (wxCoord) halfW,
1213             halfHI = (wxCoord) halfH;
1214
1215     gs_lgp->gnome_print_newpath( m_gpc );
1216
1217     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1218     gs_lgp->gnome_print_moveto( m_gpc,
1219                 XLOG2DEV(x + width),
1220                 YLOG2DEV(y + halfHI) );
1221     gs_lgp->gnome_print_curveto( m_gpc,
1222                 XLOG2DEV(x + width),
1223                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1224                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1225                 YLOG2DEV(y + height),
1226                 XLOG2DEV(x + halfWI),
1227                 YLOG2DEV(y + height) );
1228     gs_lgp->gnome_print_curveto( m_gpc,
1229                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1230                 YLOG2DEV(y + height),
1231                 XLOG2DEV(x),
1232                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1233                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1234     gs_lgp->gnome_print_curveto( m_gpc,
1235                 XLOG2DEV(x),
1236                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1237                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1238                 YLOG2DEV(y),
1239                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1240     gs_lgp->gnome_print_curveto( m_gpc,
1241                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1242                 YLOG2DEV(y),
1243                 XLOG2DEV(x + width),
1244                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1245                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1246
1247     gs_lgp->gnome_print_closepath(m_gpc);
1248 }
1249
1250 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1251 {
1252     if (m_brush.GetStyle () != wxTRANSPARENT)
1253     {
1254         SetBrush( m_brush );
1255         makeEllipticalPath( x, y, width, height );
1256         gs_lgp->gnome_print_fill( m_gpc );
1257         CalcBoundingBox( x, y );
1258         CalcBoundingBox( x + width, y + height );
1259     }
1260
1261     if (m_pen.GetStyle () != wxTRANSPARENT)
1262     {
1263         SetPen (m_pen);
1264         makeEllipticalPath( x, y, width, height );
1265         gs_lgp->gnome_print_stroke( m_gpc );
1266         CalcBoundingBox( x, y );
1267         CalcBoundingBox( x + width, y + height );
1268     }
1269 }
1270
1271 #if wxUSE_SPLINES
1272 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1273 {
1274     SetPen (m_pen);
1275
1276     double c, d, x1, y1, x2, y2, x3, y3;
1277     wxPoint *p, *q;
1278
1279     wxList::compatibility_iterator node = points->GetFirst();
1280     p = (wxPoint *)node->GetData();
1281     x1 = p->x;
1282     y1 = p->y;
1283
1284     node = node->GetNext();
1285     p = (wxPoint *)node->GetData();
1286     c = p->x;
1287     d = p->y;
1288     x3 =
1289          (double)(x1 + c) / 2;
1290     y3 =
1291          (double)(y1 + d) / 2;
1292
1293     gs_lgp->gnome_print_newpath( m_gpc );
1294     gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1295     gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1296
1297     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1298     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1299
1300     node = node->GetNext();
1301     while (node)
1302     {
1303         q = (wxPoint *)node->GetData();
1304
1305         x1 = x3;
1306         y1 = y3;
1307         x2 = c;
1308         y2 = d;
1309         c = q->x;
1310         d = q->y;
1311         x3 = (double)(x2 + c) / 2;
1312         y3 = (double)(y2 + d) / 2;
1313
1314         gs_lgp->gnome_print_curveto(m_gpc,
1315             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1316             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1317             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1318
1319         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1320         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1321
1322         node = node->GetNext();
1323     }
1324
1325     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1326
1327     gs_lgp->gnome_print_stroke( m_gpc );
1328 }
1329 #endif // wxUSE_SPLINES
1330
1331 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1332             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1333             wxCoord xsrcMask, wxCoord ysrcMask)
1334 {
1335     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1336
1337     // blit into a bitmap
1338     wxBitmap bitmap( width, height );
1339     wxMemoryDC memDC;
1340     memDC.SelectObject(bitmap);
1341     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1342     memDC.SelectObject(wxNullBitmap);
1343
1344     // draw bitmap. scaling and positioning is done there
1345     DrawBitmap( bitmap, xdest, ydest );
1346
1347     return true;
1348 }
1349
1350 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1351 {
1352     DoDrawBitmap( icon, x, y, true );
1353 }
1354
1355 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1356 {
1357     if (!bitmap.Ok()) return;
1358
1359     if (bitmap.HasPixbuf())
1360     {
1361         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1362         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1363         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1364         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1365         int height = gdk_pixbuf_get_height( pixbuf );
1366         int width = gdk_pixbuf_get_width( pixbuf );
1367
1368         gs_lgp->gnome_print_gsave( m_gpc );
1369         double matrix[6];
1370         matrix[0] = XLOG2DEVREL(width);
1371         matrix[1] = 0;
1372         matrix[2] = 0;
1373         matrix[3] = YLOG2DEVREL(height);
1374         matrix[4] = XLOG2DEV(x);
1375         matrix[5] = YLOG2DEV(y+height);
1376         gs_lgp->gnome_print_concat( m_gpc, matrix );
1377         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1378         if (has_alpha)
1379             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1380         else
1381             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1382         gs_lgp->gnome_print_grestore( m_gpc );
1383     }
1384     else
1385     {
1386         wxImage image = bitmap.ConvertToImage();
1387
1388         if (!image.Ok()) return;
1389
1390         gs_lgp->gnome_print_gsave( m_gpc );
1391         double matrix[6];
1392         matrix[0] = XLOG2DEVREL(image.GetWidth());
1393         matrix[1] = 0;
1394         matrix[2] = 0;
1395         matrix[3] = YLOG2DEVREL(image.GetHeight());
1396         matrix[4] = XLOG2DEV(x);
1397         matrix[5] = YLOG2DEV(y+image.GetHeight());
1398         gs_lgp->gnome_print_concat( m_gpc, matrix );
1399         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1400         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1401         gs_lgp->gnome_print_grestore( m_gpc );
1402     }
1403 }
1404
1405 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1406 {
1407     DoDrawRotatedText( text, x, y, 0.0 );
1408 }
1409
1410 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1411 {
1412     x = XLOG2DEV(x);
1413     y = YLOG2DEV(y);
1414
1415     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1416
1417 #if wxUSE_UNICODE
1418     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1419 #else
1420     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1421     if ( !wdata )
1422         return;
1423     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1424 #endif
1425
1426     size_t datalen = strlen((const char*)data);
1427     pango_layout_set_text( m_layout, (const char*) data, datalen);
1428
1429     if (underlined)
1430     {
1431         PangoAttrList *attrs = pango_attr_list_new();
1432         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1433         a->start_index = 0;
1434         a->end_index = datalen;
1435         pango_attr_list_insert(attrs, a);
1436         pango_layout_set_attributes(m_layout, attrs);
1437         pango_attr_list_unref(attrs);
1438     }
1439
1440     if (m_textForegroundColour.Ok())
1441     {
1442         unsigned char red = m_textForegroundColour.Red();
1443         unsigned char blue = m_textForegroundColour.Blue();
1444         unsigned char green = m_textForegroundColour.Green();
1445
1446         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1447         {
1448             double redPS = (double)(red) / 255.0;
1449             double bluePS = (double)(blue) / 255.0;
1450             double greenPS = (double)(green) / 255.0;
1451
1452             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1453
1454             m_currentRed = red;
1455             m_currentBlue = blue;
1456             m_currentGreen = green;
1457         }
1458     }
1459
1460     int w,h;
1461
1462     if (fabs(m_scaleY - 1.0) > 0.00001)
1463     {
1464         // If there is a user or actually any scale applied to
1465         // the device context, scale the font.
1466
1467         // scale font description
1468         gint oldSize = pango_font_description_get_size( m_fontdesc );
1469         double size = oldSize;
1470         size = size * m_scaleY;
1471         pango_font_description_set_size( m_fontdesc, (gint)size );
1472
1473         // actually apply scaled font
1474         pango_layout_set_font_description( m_layout, m_fontdesc );
1475
1476         pango_layout_get_pixel_size( m_layout, &w, &h );
1477 #if 0
1478         if ( m_backgroundMode == wxSOLID )
1479         {
1480             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1481             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1482             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1483         }
1484 #endif
1485         // Draw layout.
1486         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1487         if (fabs(angle) > 0.00001)
1488         {
1489             gs_lgp->gnome_print_gsave( m_gpc );
1490             gs_lgp->gnome_print_rotate( m_gpc, angle );
1491             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1492             gs_lgp->gnome_print_grestore( m_gpc );
1493         }
1494         else
1495         {
1496             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1497         }
1498
1499         // reset unscaled size
1500         pango_font_description_set_size( m_fontdesc, oldSize );
1501
1502         // actually apply unscaled font
1503         pango_layout_set_font_description( m_layout, m_fontdesc );
1504     }
1505     else
1506     {
1507         pango_layout_get_pixel_size( m_layout, &w, &h );
1508 #if 0
1509         if ( m_backgroundMode == wxSOLID )
1510         {
1511             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1512             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1513             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1514         }
1515 #endif
1516         // Draw layout.
1517         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1518         if (fabs(angle) > 0.00001)
1519         {
1520             gs_lgp->gnome_print_gsave( m_gpc );
1521             gs_lgp->gnome_print_rotate( m_gpc, angle );
1522             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1523             gs_lgp->gnome_print_grestore( m_gpc );
1524         }
1525         else
1526         {
1527             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1528         }
1529     }
1530
1531     if (underlined)
1532     {
1533         // undo underline attributes setting:
1534         pango_layout_set_attributes(m_layout, NULL);
1535     }
1536
1537     CalcBoundingBox (x + w, y + h);
1538 }
1539
1540 void wxGnomePrintDC::Clear()
1541 {
1542 }
1543
1544 void wxGnomePrintDC::SetFont( const wxFont& font )
1545 {
1546     m_font = font;
1547
1548     if (m_font.Ok())
1549     {
1550         if (m_fontdesc)
1551             pango_font_description_free( m_fontdesc );
1552
1553         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1554
1555         pango_layout_set_font_description( m_layout, m_fontdesc );
1556     }
1557 }
1558
1559 void wxGnomePrintDC::SetPen( const wxPen& pen )
1560 {
1561     if (!pen.Ok()) return;
1562
1563     m_pen = pen;
1564
1565     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1566
1567     static const double dotted[] =  {2.0, 5.0};
1568     static const double short_dashed[] = {4.0, 4.0};
1569     static const double wxCoord_dashed[] = {4.0, 8.0};
1570     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1571
1572     switch (m_pen.GetStyle())
1573     {
1574         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1575         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1576         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1577         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1578         case wxUSER_DASH:
1579         {
1580             // It may be noted that libgnomeprint between at least
1581             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1582             // and then leak the memory since it doesn't set the
1583             // internal flag "privatedash" to 0.
1584             wxDash *wx_dashes;
1585             int num = m_pen.GetDashes (&wx_dashes);
1586             gdouble *g_dashes = g_new( gdouble, num );
1587             int i;
1588             for (i = 0; i < num; ++i)
1589                 g_dashes[i] = (gdouble) wx_dashes[i];
1590             gs_lgp -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1591             g_free( g_dashes );
1592         }
1593         break;
1594         case wxSOLID:
1595         case wxTRANSPARENT:
1596         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1597     }
1598
1599
1600     unsigned char red = m_pen.GetColour().Red();
1601     unsigned char blue = m_pen.GetColour().Blue();
1602     unsigned char green = m_pen.GetColour().Green();
1603
1604     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1605     {
1606         double redPS = (double)(red) / 255.0;
1607         double bluePS = (double)(blue) / 255.0;
1608         double greenPS = (double)(green) / 255.0;
1609
1610         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1611
1612         m_currentRed = red;
1613         m_currentBlue = blue;
1614         m_currentGreen = green;
1615     }
1616 }
1617
1618 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1619 {
1620     if (!brush.Ok()) return;
1621
1622     m_brush = brush;
1623
1624     // Brush colour
1625     unsigned char red = m_brush.GetColour().Red();
1626     unsigned char blue = m_brush.GetColour().Blue();
1627     unsigned char green = m_brush.GetColour().Green();
1628
1629     if (!m_colour)
1630     {
1631         // Anything not white is black
1632         if (! (red == (unsigned char) 255 &&
1633                blue == (unsigned char) 255 &&
1634                green == (unsigned char) 255) )
1635         {
1636             red = (unsigned char) 0;
1637             green = (unsigned char) 0;
1638             blue = (unsigned char) 0;
1639         }
1640         // setgray here ?
1641     }
1642
1643     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1644     {
1645         double redPS = (double)(red) / 255.0;
1646         double bluePS = (double)(blue) / 255.0;
1647         double greenPS = (double)(green) / 255.0;
1648
1649         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1650
1651         m_currentRed = red;
1652         m_currentBlue = blue;
1653         m_currentGreen = green;
1654     }
1655 }
1656
1657 void wxGnomePrintDC::SetLogicalFunction( int function )
1658 {
1659 }
1660
1661 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1662 {
1663 }
1664
1665 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1666 {
1667 }
1668
1669 void wxGnomePrintDC::DestroyClippingRegion()
1670 {
1671 }
1672
1673 bool wxGnomePrintDC::StartDoc(const wxString& message)
1674 {
1675     return true;
1676 }
1677
1678 void wxGnomePrintDC::EndDoc()
1679 {
1680     gs_lgp->gnome_print_end_doc( m_gpc );
1681 }
1682
1683 void wxGnomePrintDC::StartPage()
1684 {
1685     gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1686 }
1687
1688 void wxGnomePrintDC::EndPage()
1689 {
1690     gs_lgp->gnome_print_showpage( m_gpc );
1691 }
1692
1693 wxCoord wxGnomePrintDC::GetCharHeight() const
1694 {
1695     pango_layout_set_text( m_layout, "H", 1 );
1696
1697     int w,h;
1698     pango_layout_get_pixel_size( m_layout, &w, &h );
1699
1700     return h;
1701 }
1702
1703 wxCoord wxGnomePrintDC::GetCharWidth() const
1704 {
1705     pango_layout_set_text( m_layout, "H", 1 );
1706
1707     int w,h;
1708     pango_layout_get_pixel_size( m_layout, &w, &h );
1709
1710     return w;
1711 }
1712
1713 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1714                      wxCoord *descent,
1715                      wxCoord *externalLeading,
1716                      wxFont *theFont ) const
1717 {
1718     if ( width )
1719         *width = 0;
1720     if ( height )
1721         *height = 0;
1722     if ( descent )
1723         *descent = 0;
1724     if ( externalLeading )
1725         *externalLeading = 0;
1726
1727     if (string.empty())
1728     {
1729         return;
1730     }
1731
1732     // Set new font description
1733     if (theFont)
1734         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1735
1736     // Set layout's text
1737 #if wxUSE_UNICODE
1738     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1739     const char *dataUTF8 = (const char *)data;
1740 #else
1741     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1742     if ( !wdata )
1743     {
1744         if (width) (*width) = 0;
1745         if (height) (*height) = 0;
1746         return;
1747     }
1748     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1749     const char *dataUTF8 = (const char *)data;
1750 #endif
1751
1752     if ( !dataUTF8 )
1753     {
1754         // hardly ideal, but what else can we do if conversion failed?
1755         return;
1756     }
1757
1758     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1759
1760     int w,h;
1761     pango_layout_get_pixel_size( m_layout, &w, &h );
1762
1763     if (width)
1764         *width = (wxCoord)(w / m_scaleX);
1765     if (height)
1766         *height = (wxCoord)(h / m_scaleY);
1767     if (descent)
1768     {
1769         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1770         int baseline = pango_layout_iter_get_baseline(iter);
1771         pango_layout_iter_free(iter);
1772         *descent = h - PANGO_PIXELS(baseline);
1773     }
1774
1775     // Reset old font description
1776     if (theFont)
1777         pango_layout_set_font_description( m_layout, m_fontdesc );
1778 }
1779
1780 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1781 {
1782     wxGnomePrintNativeData *native =
1783       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1784
1785     // Query page size. This seems to omit the margins
1786     double pw,ph;
1787     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1788
1789     if (width)
1790         *width = (int) (pw + 0.5);
1791     if (height)
1792         *height = (int) (ph + 0.5);
1793 }
1794
1795 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1796 {
1797     wxGnomePrintNativeData *native =
1798       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1799
1800     // This code assumes values in Pts.
1801
1802     double pw,ph;
1803     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1804
1805     // Convert to mm.
1806
1807     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1808     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1809     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1810     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1811
1812     if (width)
1813         *width = (int) (pw + 0.5);
1814     if (height)
1815         *height = (int) (ph + 0.5);
1816 }
1817
1818 wxSize wxGnomePrintDC::GetPPI() const
1819 {
1820     return wxSize(72,72);
1821 }
1822
1823 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1824 {
1825     m_signX = (xLeftRight ? 1 : -1);
1826     m_signY = (yBottomUp  ? 1 : -1);
1827
1828     ComputeScaleAndOrigin();
1829 }
1830
1831 void wxGnomePrintDC::SetResolution(int ppi)
1832 {
1833 }
1834
1835 int wxGnomePrintDC::GetResolution()
1836 {
1837     return 72;
1838 }
1839
1840
1841 class wxGnomePrintModule: public wxModule
1842 {
1843 public:
1844     wxGnomePrintModule() {}
1845     bool OnInit();
1846     void OnExit();
1847
1848 private:
1849     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1850 };
1851
1852 bool wxGnomePrintModule::OnInit()
1853 {
1854     gs_lgp = new wxGnomePrintLibrary;
1855     if (gs_lgp->IsOk())
1856         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1857     return true;
1858 }
1859
1860 void wxGnomePrintModule::OnExit()
1861 {
1862     delete gs_lgp;
1863 }
1864
1865 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1866
1867 // ----------------------------------------------------------------------------
1868 // Print preview
1869 // ----------------------------------------------------------------------------
1870
1871 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
1872
1873 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
1874                                     wxPrintout * WXUNUSED(printoutForPrinting))
1875 {
1876     DetermineScaling();
1877 }
1878
1879 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1880                                                    wxPrintout *printoutForPrinting,
1881                                                    wxPrintDialogData *data)
1882                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1883 {
1884     Init(printout, printoutForPrinting);
1885 }
1886
1887 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1888                                                    wxPrintout *printoutForPrinting,
1889                                                    wxPrintData *data)
1890                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1891 {
1892     Init(printout, printoutForPrinting);
1893 }
1894
1895 wxGnomePrintPreview::~wxGnomePrintPreview()
1896 {
1897 }
1898
1899 bool wxGnomePrintPreview::Print(bool interactive)
1900 {
1901     if (!m_printPrintout)
1902         return false;
1903
1904     wxPrinter printer(& m_printDialogData);
1905     return printer.Print(m_previewFrame, m_printPrintout, interactive);
1906 }
1907
1908 void wxGnomePrintPreview::DetermineScaling()
1909 {
1910     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
1911     if (paperType == wxPAPER_NONE)
1912         paperType = wxPAPER_NONE;
1913
1914     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
1915     if (!paper)
1916         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1917
1918     if (paper)
1919     {
1920         wxSize ScreenPixels = wxGetDisplaySize();
1921         wxSize ScreenMM = wxGetDisplaySizeMM();
1922
1923         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
1924                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
1925         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
1926
1927         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
1928
1929         // TODO: get better resolution information from wxGnomePrintDC, if possible.
1930
1931         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
1932         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
1933         wxSize sizeTenthsMM(paper->GetSize());
1934         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
1935
1936         // If in landscape mode, we need to swap the width and height.
1937         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
1938         {
1939             m_pageWidth = sizeDevUnits.y;
1940             m_pageHeight = sizeDevUnits.x;
1941             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
1942         }
1943         else
1944         {
1945             m_pageWidth = sizeDevUnits.x;
1946             m_pageHeight = sizeDevUnits.y;
1947             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
1948         }
1949         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1950         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
1951
1952         // At 100%, the page should look about page-size on the screen.
1953         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
1954         m_previewScaleY = m_previewScaleX;
1955     }
1956 }
1957
1958 #endif
1959     // wxUSE_LIBGNOMEPRINT