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::makeEllipticalPath(wxCoord x, wxCoord y,
1159                                         wxCoord width, wxCoord height)
1160 {
1161     double r = 4 * (sqrt (2) - 1) / 3;
1162     double  halfW = 0.5 * width,
1163             halfH = 0.5 * height,
1164             halfWR = r * halfW,
1165             halfHR = r * halfH;
1166     wxCoord halfWI = (wxCoord) halfW,
1167             halfHI = (wxCoord) halfH;
1168
1169     gs_lgp->gnome_print_newpath( m_gpc );
1170
1171     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1172     gs_lgp->gnome_print_moveto( m_gpc,
1173                 XLOG2DEV(x + width),
1174                 YLOG2DEV(y + halfHI) );
1175     gs_lgp->gnome_print_curveto( m_gpc,
1176                 XLOG2DEV(x + width),
1177                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1178                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1179                 YLOG2DEV(y + height),
1180                 XLOG2DEV(x + halfWI),
1181                 YLOG2DEV(y + height) );
1182     gs_lgp->gnome_print_curveto( m_gpc,
1183                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1184                 YLOG2DEV(y + height),
1185                 XLOG2DEV(x),
1186                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1187                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1188     gs_lgp->gnome_print_curveto( m_gpc,
1189                 XLOG2DEV(x),
1190                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1191                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1192                 YLOG2DEV(y),
1193                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1194     gs_lgp->gnome_print_curveto( m_gpc,
1195                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1196                 YLOG2DEV(y),
1197                 XLOG2DEV(x + width),
1198                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1199                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1200
1201     gs_lgp->gnome_print_closepath(m_gpc);
1202 }
1203
1204 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1205 {
1206     if (m_brush.GetStyle () != wxTRANSPARENT)
1207     {
1208         SetBrush( m_brush );
1209         makeEllipticalPath( x, y, width, height );
1210         gs_lgp->gnome_print_fill( m_gpc );
1211         CalcBoundingBox( x, y );
1212         CalcBoundingBox( x + width, y + height );
1213     }
1214
1215     if (m_pen.GetStyle () != wxTRANSPARENT)
1216     {
1217         SetPen (m_pen);
1218         makeEllipticalPath( x, y, width, height );
1219         gs_lgp->gnome_print_stroke( m_gpc );
1220         CalcBoundingBox( x, y );
1221         CalcBoundingBox( x + width, y + height );
1222     }
1223 }
1224
1225 #if wxUSE_SPLINES
1226 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1227 {
1228     SetPen (m_pen);
1229
1230     double c, d, x1, y1, x2, y2, x3, y3;
1231     wxPoint *p, *q;
1232
1233     wxList::compatibility_iterator node = points->GetFirst();
1234     p = (wxPoint *)node->GetData();
1235     x1 = p->x;
1236     y1 = p->y;
1237
1238     node = node->GetNext();
1239     p = (wxPoint *)node->GetData();
1240     c = p->x;
1241     d = p->y;
1242     x3 =
1243          (double)(x1 + c) / 2;
1244     y3 =
1245          (double)(y1 + d) / 2;
1246
1247     gs_lgp->gnome_print_newpath( m_gpc );
1248     gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1249     gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1250
1251     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1252     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1253
1254     node = node->GetNext();
1255     while (node)
1256     {
1257         q = (wxPoint *)node->GetData();
1258
1259         x1 = x3;
1260         y1 = y3;
1261         x2 = c;
1262         y2 = d;
1263         c = q->x;
1264         d = q->y;
1265         x3 = (double)(x2 + c) / 2;
1266         y3 = (double)(y2 + d) / 2;
1267
1268         gs_lgp->gnome_print_curveto(m_gpc,
1269             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1270             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1271             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1272
1273         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1274         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1275
1276         node = node->GetNext();
1277     }
1278
1279     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1280
1281     gs_lgp->gnome_print_stroke( m_gpc );
1282 }
1283 #endif // wxUSE_SPLINES
1284
1285 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1286             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1287             wxCoord xsrcMask, wxCoord ysrcMask)
1288 {
1289     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1290
1291     // blit into a bitmap
1292     wxBitmap bitmap( width, height );
1293     wxMemoryDC memDC;
1294     memDC.SelectObject(bitmap);
1295     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1296     memDC.SelectObject(wxNullBitmap);
1297
1298     // draw bitmap. scaling and positioning is done there
1299     DrawBitmap( bitmap, xdest, ydest );
1300
1301     return true;
1302 }
1303
1304 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1305 {
1306     DoDrawBitmap( icon, x, y, true );
1307 }
1308
1309 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1310 {
1311     if (!bitmap.Ok()) return;
1312
1313     if (bitmap.HasPixbuf())
1314     {
1315         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1316         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1317         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1318         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1319         int height = gdk_pixbuf_get_height( pixbuf );
1320         int width = gdk_pixbuf_get_width( pixbuf );
1321
1322         gs_lgp->gnome_print_gsave( m_gpc );
1323         double matrix[6];
1324         matrix[0] = XLOG2DEVREL(width);
1325         matrix[1] = 0;
1326         matrix[2] = 0;
1327         matrix[3] = YLOG2DEVREL(height);
1328         matrix[4] = XLOG2DEV(x);
1329         matrix[5] = YLOG2DEV(y+height);
1330         gs_lgp->gnome_print_concat( m_gpc, matrix );
1331         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1332         if (has_alpha)
1333             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1334         else
1335             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1336         gs_lgp->gnome_print_grestore( m_gpc );
1337     }
1338     else
1339     {
1340         wxImage image = bitmap.ConvertToImage();
1341
1342         if (!image.Ok()) return;
1343
1344         gs_lgp->gnome_print_gsave( m_gpc );
1345         double matrix[6];
1346         matrix[0] = XLOG2DEVREL(image.GetWidth());
1347         matrix[1] = 0;
1348         matrix[2] = 0;
1349         matrix[3] = YLOG2DEVREL(image.GetHeight());
1350         matrix[4] = XLOG2DEV(x);
1351         matrix[5] = YLOG2DEV(y+image.GetHeight());
1352         gs_lgp->gnome_print_concat( m_gpc, matrix );
1353         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1354         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1355         gs_lgp->gnome_print_grestore( m_gpc );
1356     }
1357 }
1358
1359 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1360 {
1361     DoDrawRotatedText( text, x, y, 0.0 );
1362 }
1363
1364 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1365 {
1366     x = XLOG2DEV(x);
1367     y = YLOG2DEV(y);
1368
1369     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1370
1371 #if wxUSE_UNICODE
1372     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1373 #else
1374     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1375     if ( !wdata )
1376         return;
1377     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1378 #endif
1379
1380     size_t datalen = strlen((const char*)data);
1381     pango_layout_set_text( m_layout, (const char*) data, datalen);
1382
1383     if (underlined)
1384     {
1385         PangoAttrList *attrs = pango_attr_list_new();
1386         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1387         a->start_index = 0;
1388         a->end_index = datalen;
1389         pango_attr_list_insert(attrs, a);
1390         pango_layout_set_attributes(m_layout, attrs);
1391         pango_attr_list_unref(attrs);
1392     }
1393
1394     if (m_textForegroundColour.Ok())
1395     {
1396         unsigned char red = m_textForegroundColour.Red();
1397         unsigned char blue = m_textForegroundColour.Blue();
1398         unsigned char green = m_textForegroundColour.Green();
1399
1400         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1401         {
1402             double redPS = (double)(red) / 255.0;
1403             double bluePS = (double)(blue) / 255.0;
1404             double greenPS = (double)(green) / 255.0;
1405
1406             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1407
1408             m_currentRed = red;
1409             m_currentBlue = blue;
1410             m_currentGreen = green;
1411         }
1412     }
1413
1414     int w,h;
1415
1416     if (fabs(m_scaleY - 1.0) > 0.00001)
1417     {
1418         // If there is a user or actually any scale applied to
1419         // the device context, scale the font.
1420
1421         // scale font description
1422         gint oldSize = pango_font_description_get_size( m_fontdesc );
1423         double size = oldSize;
1424         size = size * m_scaleY;
1425         pango_font_description_set_size( m_fontdesc, (gint)size );
1426
1427         // actually apply scaled font
1428         pango_layout_set_font_description( m_layout, m_fontdesc );
1429
1430         pango_layout_get_pixel_size( m_layout, &w, &h );
1431 #if 0
1432         if ( m_backgroundMode == wxSOLID )
1433         {
1434             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1435             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1436             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1437         }
1438 #endif
1439         // Draw layout.
1440         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1441         if (fabs(angle) > 0.00001)
1442         {
1443             gs_lgp->gnome_print_gsave( m_gpc );
1444             gs_lgp->gnome_print_rotate( m_gpc, angle );
1445             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1446             gs_lgp->gnome_print_grestore( m_gpc );
1447         }
1448         else
1449         {
1450             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1451         }
1452
1453         // reset unscaled size
1454         pango_font_description_set_size( m_fontdesc, oldSize );
1455
1456         // actually apply unscaled font
1457         pango_layout_set_font_description( m_layout, m_fontdesc );
1458     }
1459     else
1460     {
1461         pango_layout_get_pixel_size( m_layout, &w, &h );
1462 #if 0
1463         if ( m_backgroundMode == wxSOLID )
1464         {
1465             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1466             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1467             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1468         }
1469 #endif
1470         // Draw layout.
1471         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1472         if (fabs(angle) > 0.00001)
1473         {
1474             gs_lgp->gnome_print_gsave( m_gpc );
1475             gs_lgp->gnome_print_rotate( m_gpc, angle );
1476             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1477             gs_lgp->gnome_print_grestore( m_gpc );
1478         }
1479         else
1480         {
1481             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1482         }
1483     }
1484
1485     if (underlined)
1486     {
1487         // undo underline attributes setting:
1488         pango_layout_set_attributes(m_layout, NULL);
1489     }
1490
1491     CalcBoundingBox (x + w, y + h);
1492 }
1493
1494 void wxGnomePrintDC::Clear()
1495 {
1496 }
1497
1498 void wxGnomePrintDC::SetFont( const wxFont& font )
1499 {
1500     m_font = font;
1501
1502     if (m_font.Ok())
1503     {
1504         if (m_fontdesc)
1505             pango_font_description_free( m_fontdesc );
1506
1507         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1508
1509         pango_layout_set_font_description( m_layout, m_fontdesc );
1510     }
1511 }
1512
1513 void wxGnomePrintDC::SetPen( const wxPen& pen )
1514 {
1515     if (!pen.Ok()) return;
1516
1517     m_pen = pen;
1518
1519     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1520
1521     static const double dotted[] =  {2.0, 5.0};
1522     static const double short_dashed[] = {4.0, 4.0};
1523     static const double wxCoord_dashed[] = {4.0, 8.0};
1524     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1525
1526     switch (m_pen.GetStyle())
1527     {
1528         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1529         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1530         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1531         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1532         case wxUSER_DASH:
1533         {
1534             // It may be noted that libgnomeprint between at least
1535             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1536             // and then leak the memory since it doesn't set the
1537             // internal flag "privatedash" to 0.
1538             wxDash *wx_dashes;
1539             int num = m_pen.GetDashes (&wx_dashes);
1540             gdouble *g_dashes = g_new( gdouble, num );
1541             int i;
1542             for (i = 0; i < num; ++i)
1543                 g_dashes[i] = (gdouble) wx_dashes[i];
1544             gs_lgp -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1545             g_free( g_dashes );
1546         }
1547         break;
1548         case wxSOLID:
1549         case wxTRANSPARENT:
1550         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1551     }
1552
1553
1554     unsigned char red = m_pen.GetColour().Red();
1555     unsigned char blue = m_pen.GetColour().Blue();
1556     unsigned char green = m_pen.GetColour().Green();
1557
1558     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1559     {
1560         double redPS = (double)(red) / 255.0;
1561         double bluePS = (double)(blue) / 255.0;
1562         double greenPS = (double)(green) / 255.0;
1563
1564         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1565
1566         m_currentRed = red;
1567         m_currentBlue = blue;
1568         m_currentGreen = green;
1569     }
1570 }
1571
1572 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1573 {
1574     if (!brush.Ok()) return;
1575
1576     m_brush = brush;
1577
1578     // Brush colour
1579     unsigned char red = m_brush.GetColour().Red();
1580     unsigned char blue = m_brush.GetColour().Blue();
1581     unsigned char green = m_brush.GetColour().Green();
1582
1583     if (!m_colour)
1584     {
1585         // Anything not white is black
1586         if (! (red == (unsigned char) 255 &&
1587                blue == (unsigned char) 255 &&
1588                green == (unsigned char) 255) )
1589         {
1590             red = (unsigned char) 0;
1591             green = (unsigned char) 0;
1592             blue = (unsigned char) 0;
1593         }
1594         // setgray here ?
1595     }
1596
1597     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1598     {
1599         double redPS = (double)(red) / 255.0;
1600         double bluePS = (double)(blue) / 255.0;
1601         double greenPS = (double)(green) / 255.0;
1602
1603         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1604
1605         m_currentRed = red;
1606         m_currentBlue = blue;
1607         m_currentGreen = green;
1608     }
1609 }
1610
1611 void wxGnomePrintDC::SetLogicalFunction( int function )
1612 {
1613 }
1614
1615 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1616 {
1617 }
1618
1619 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1620 {
1621 }
1622
1623 void wxGnomePrintDC::DestroyClippingRegion()
1624 {
1625 }
1626
1627 bool wxGnomePrintDC::StartDoc(const wxString& message)
1628 {
1629     SetDeviceOrigin( 0,0 );
1630
1631     return true;
1632 }
1633
1634 void wxGnomePrintDC::EndDoc()
1635 {
1636     gs_lgp->gnome_print_end_doc( m_gpc );
1637 }
1638
1639 void wxGnomePrintDC::StartPage()
1640 {
1641     gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1642 }
1643
1644 void wxGnomePrintDC::EndPage()
1645 {
1646     gs_lgp->gnome_print_showpage( m_gpc );
1647 }
1648
1649 wxCoord wxGnomePrintDC::GetCharHeight() const
1650 {
1651     pango_layout_set_text( m_layout, "H", 1 );
1652
1653     int w,h;
1654     pango_layout_get_pixel_size( m_layout, &w, &h );
1655
1656     return h;
1657 }
1658
1659 wxCoord wxGnomePrintDC::GetCharWidth() const
1660 {
1661     pango_layout_set_text( m_layout, "H", 1 );
1662
1663     int w,h;
1664     pango_layout_get_pixel_size( m_layout, &w, &h );
1665
1666     return w;
1667 }
1668
1669 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1670                      wxCoord *descent,
1671                      wxCoord *externalLeading,
1672                      wxFont *theFont ) const
1673 {
1674     if ( width )
1675         *width = 0;
1676     if ( height )
1677         *height = 0;
1678     if ( descent )
1679         *descent = 0;
1680     if ( externalLeading )
1681         *externalLeading = 0;
1682
1683     if (string.empty())
1684     {
1685         return;
1686     }
1687
1688     // Set new font description
1689     if (theFont)
1690         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1691
1692     // Set layout's text
1693 #if wxUSE_UNICODE
1694     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1695     const char *dataUTF8 = (const char *)data;
1696 #else
1697     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1698     if ( !wdata )
1699     {
1700         if (width) (*width) = 0;
1701         if (height) (*height) = 0;
1702         return;
1703     }
1704     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1705     const char *dataUTF8 = (const char *)data;
1706 #endif
1707
1708     if ( !dataUTF8 )
1709     {
1710         // hardly ideal, but what else can we do if conversion failed?
1711         return;
1712     }
1713
1714     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1715
1716     int w,h;
1717     pango_layout_get_pixel_size( m_layout, &w, &h );
1718
1719     if (width)
1720         *width = (wxCoord)(w / m_scaleX);
1721     if (height)
1722         *height = (wxCoord)(h / m_scaleY);
1723     if (descent)
1724     {
1725         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1726         int baseline = pango_layout_iter_get_baseline(iter);
1727         pango_layout_iter_free(iter);
1728         *descent = h - PANGO_PIXELS(baseline);
1729     }
1730
1731     // Reset old font description
1732     if (theFont)
1733         pango_layout_set_font_description( m_layout, m_fontdesc );
1734 }
1735
1736 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1737 {
1738     wxGnomePrintNativeData *native =
1739       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1740
1741     // Query page size. This seems to omit the margins
1742     // right now, although it shouldn't
1743     double pw,ph;
1744     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1745
1746     if (width)
1747         *width = (int) (pw + 0.5);
1748     if (height)
1749         *height = (int) (ph + 0.5);
1750 }
1751
1752 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1753 {
1754     wxGnomePrintNativeData *native =
1755       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1756
1757     // This code assumes values in Pts.
1758
1759     double pw,ph;
1760     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1761
1762     // Convert to mm.
1763
1764     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1765     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1766     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1767     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1768
1769     if (width)
1770         *width = (int) (pw + 0.5);
1771     if (height)
1772         *height = (int) (ph + 0.5);
1773 }
1774
1775 wxSize wxGnomePrintDC::GetPPI() const
1776 {
1777     return wxSize(72,72);
1778 }
1779
1780 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1781 {
1782     m_signX = (xLeftRight ? 1 : -1);
1783     m_signY = (yBottomUp  ? 1 : -1);
1784
1785     ComputeScaleAndOrigin();
1786 }
1787
1788 void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1789 {
1790     int h = 0;
1791     int w = 0;
1792     GetSize( &w, &h );
1793
1794     wxDC::SetDeviceOrigin( x, h-y );
1795 }
1796
1797 void wxGnomePrintDC::SetResolution(int ppi)
1798 {
1799 }
1800
1801 int wxGnomePrintDC::GetResolution()
1802 {
1803     return 72;
1804 }
1805
1806
1807 class wxGnomePrintModule: public wxModule
1808 {
1809 public:
1810     wxGnomePrintModule() {}
1811     bool OnInit();
1812     void OnExit();
1813
1814 private:
1815     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1816 };
1817
1818 bool wxGnomePrintModule::OnInit()
1819 {
1820     gs_lgp = new wxGnomePrintLibrary;
1821     if (gs_lgp->IsOk())
1822         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1823     return true;
1824 }
1825
1826 void wxGnomePrintModule::OnExit()
1827 {
1828     delete gs_lgp;
1829 }
1830
1831 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1832
1833 #endif
1834     // wxUSE_LIBGNOMEPRINT