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