src/gtk1/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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  12 #pragma implementation "gprint.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx/wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #include "wx/gtk/gnome/gprint.h"
  23
  24 #if wxUSE_LIBGNOMEPRINT
  25
  26 #include "wx/math.h"
  27 #include "wx/fontutil.h"
  28 #include "wx/printdlg.h"
  29 #include "wx/gtk/private.h"
  30 #include "wx/module.h"
  31 #include "wx/generic/prntdlgg.h"
  32 #include "wx/dynlib.h"
  33
  34 #include <libgnomeprint/gnome-print.h>
  35 #include <libgnomeprint/gnome-print-pango.h>
  36 #include <libgnomeprint/gnome-print-config.h>
  37 #include <libgnomeprintui/gnome-print-dialog.h>
  38 #include <libgnomeprintui/gnome-print-job-preview.h>
  39 #include <libgnomeprintui/gnome-print-paper-selector.h>
  40
  41 static const double RAD2DEG  = 180.0 / M_PI;
  42
  43 #include "wx/html/forcelnk.h"
  44 FORCE_LINK_ME(gnome_print)
  45
  46 //----------------------------------------------------------------------------
  47 // wxGnomePrintLibrary
  48 //----------------------------------------------------------------------------
  49
  50 #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
  51     typedef rettype (* name ## Type) args ; \
  52     name ## Type pfn_ ## name; \
  53     rettype name args \
  54     { if (m_ok) return pfn_ ## name shortargs ; return defret; }
  55
  56 #define wxDL_METHOD_LOAD( lib, name, success ) \
  57     pfn_ ## name = (name ## Type) lib->GetSymbol( wxT(#name), &success ); \
  58     if (!success) return;
  59
  60 class wxGnomePrintLibrary
  61 {
  62 public:
  63     wxGnomePrintLibrary();
  64     ~wxGnomePrintLibrary();
  65
  66     bool IsOk();
  67     void InitializeMethods();
  68
  69 private:
  70     bool              m_ok;
  71     wxDynamicLibrary *m_gnome_print_lib;
  72     wxDynamicLibrary *m_gnome_printui_lib;
  73
  74 public:
  75     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  76         (GnomePrintContext *pc), (pc), 0 )
  77     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  78         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  80         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  82         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  84         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  86         (GnomePrintContext *pc), (pc), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  88         (GnomePrintContext *pc), (pc), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  90         (GnomePrintContext *pc), (pc), 0 )
  91     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  92         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  93     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  94         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  95     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  96         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  97
  98     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  99         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 100     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
 101         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 102
 103     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 104         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 105     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 106         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 107     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 108         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 109     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 110         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 111
 112     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 113         (GnomePrintContext *pc), (pc), 0 )
 114     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 115         (GnomePrintContext *pc), (pc), 0 )
 116
 117     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 118         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 119     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 120         (GnomePrintContext *pc), (pc), 0 )
 121     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 122         (GnomePrintContext *pc), (pc), 0 )
 123
 124     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 125         (GnomePrintContext *gpc), (gpc), NULL )
 126     wxDL_METHOD_DEFINE( void, gnome_print_pango_layout,
 127         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout), /**/ )
 128
 129     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 130         (GnomePrintConfig *config), (config), NULL )
 131     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 132         (GnomePrintJob *job), (job), NULL )
 133     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 134         (GnomePrintJob *job), (job), 0 )
 135     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 136         (GnomePrintJob *job), (job), 0 )
 137     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 138         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 139
 140     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 141         (const guchar *abbreviation), (abbreviation), NULL )
 142     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 143         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 144
 145     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 146         (void), (), NULL )
 147     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 148         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 149     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 150         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 151
 152     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 153         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 154     wxDL_METHOD_DEFINE( void, gnome_print_dialog_construct_range_page,
 155         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 156         const guchar *currentlabel, const guchar *rangelabel),
 157         (gpd, flags, start, end, currentlabel, rangelabel), /**/ )
 158     wxDL_METHOD_DEFINE( void, gnome_print_dialog_get_copies,
 159         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate), /**/ )
 160     wxDL_METHOD_DEFINE( void, gnome_print_dialog_set_copies,
 161         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate), /**/ )
 162     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 163         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 164     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 165         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 166
 167     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 168         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 169
 170     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 171         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 172 };
 173
 174 wxGnomePrintLibrary::wxGnomePrintLibrary()
 175 {
 176     m_gnome_print_lib = NULL;
 177     m_gnome_printui_lib = NULL;
 178
 179     wxLogNull log;
 180
 181     m_gnome_print_lib = new wxDynamicLibrary( wxT("libgnomeprint-2-2.so.0") );
 182     m_ok = m_gnome_print_lib->IsLoaded();
 183     if (!m_ok) return;
 184
 185     m_gnome_printui_lib = new wxDynamicLibrary( wxT("libgnomeprintui-2-2.so.0") );
 186     m_ok = m_gnome_printui_lib->IsLoaded();
 187     if (!m_ok) return;
 188
 189     InitializeMethods();
 190 }
 191
 192 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 193 {
 194     if (m_gnome_print_lib)
 195         delete m_gnome_print_lib;
 196     if (m_gnome_printui_lib)
 197         delete m_gnome_printui_lib;
 198 }
 199
 200 bool wxGnomePrintLibrary::IsOk()
 201 {
 202     return m_ok;
 203 }
 204
 205 void wxGnomePrintLibrary::InitializeMethods()
 206 {
 207     m_ok = false;
 208     bool success;
 209
 210     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_newpath, success )
 211     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_moveto, success )
 212     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_lineto, success )
 213     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_curveto, success )
 214     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_arcto, success )
 215     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_closepath, success )
 216     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_stroke, success )
 217     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_fill, success )
 218     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setrgbcolor, success )
 219     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setlinewidth, success )
 220     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setdash, success )
 221
 222     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbimage, success )
 223     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbaimage, success )
 224
 225     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_concat, success )
 226     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_scale, success )
 227     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rotate, success )
 228     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_translate, success )
 229
 230     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_gsave, success )
 231     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_grestore, success )
 232
 233     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_beginpage, success )
 234     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_showpage, success )
 235     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_end_doc, success )
 236
 237     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_create_layout, success )
 238     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_layout, success )
 239
 240     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_new, success )
 241     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_context, success )
 242     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_close, success )
 243     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_print, success )
 244     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_page_size, success )
 245
 246     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_unit_get_by_abbreviation, success )
 247     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_convert_distance, success )
 248
 249     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_default, success )
 250     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_set, success )
 251     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_get_length, success )
 252
 253     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_new, success )
 254     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_construct_range_page, success )
 255     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_copies, success )
 256     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_set_copies, success )
 257     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range, success )
 258     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range_page, success )
 259
 260     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_paper_selector_new_with_flags, success )
 261
 262     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_job_preview_new, success )
 263
 264     m_ok = true;
 265 }
 266
 267 static wxGnomePrintLibrary* gs_lgp = NULL;
 268
 269 //----------------------------------------------------------------------------
 270 // wxGnomePrintNativeData
 271 //----------------------------------------------------------------------------
 272
 273 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 274
 275 wxGnomePrintNativeData::wxGnomePrintNativeData()
 276 {
 277     m_config = gs_lgp->gnome_print_config_default();
 278     m_job = gs_lgp->gnome_print_job_new( m_config );
 279 }
 280
 281 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 282 {
 283     g_object_unref (G_OBJECT (m_config));
 284 }
 285
 286 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 287 {
 288     // TODO
 289     return true;
 290 }
 291
 292 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 293 {
 294     // TODO
 295     return true;
 296 }
 297
 298 //----------------------------------------------------------------------------
 299 // wxGnomePrintFactory
 300 //----------------------------------------------------------------------------
 301
 302 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 303 {
 304     return new wxGnomePrinter( data );
 305 }
 306
 307 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 308                                                     wxPrintout *printout,
 309                                                     wxPrintDialogData *data )
 310 {
 311     return new wxPostScriptPrintPreview( preview, printout, data );
 312 }
 313
 314 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 315                                                     wxPrintout *printout,
 316                                                     wxPrintData *data )
 317 {
 318     return new wxPostScriptPrintPreview( preview, printout, data );
 319 }
 320
 321 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 322                                                   wxPrintDialogData *data )
 323 {
 324     return new wxGnomePrintDialog( parent, data );
 325 }
 326
 327 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 328                                                   wxPrintData *data )
 329 {
 330     return new wxGnomePrintDialog( parent, data );
 331 }
 332
 333 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 334                                                           wxPageSetupDialogData * data )
 335 {
 336 //  The native page setup dialog is broken. It
 337 //  miscalculates newly entered values for the
 338 //  margins if you have not chose "points" but
 339 //  e.g. centimerters.
 340 //  This has been fixed in GNOME CVS (maybe
 341 //  fixed in libgnomeprintui 2.8.1)
 342
 343     return new wxGnomePageSetupDialog( parent, data );
 344 }
 345
 346 bool wxGnomePrintFactory::HasPrintSetupDialog()
 347 {
 348     return false;
 349 }
 350
 351 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 352 {
 353     return NULL;
 354 }
 355
 356 bool wxGnomePrintFactory::HasOwnPrintToFile()
 357 {
 358     return true;
 359 }
 360
 361 bool wxGnomePrintFactory::HasPrinterLine()
 362 {
 363     return true;
 364 }
 365
 366 wxString wxGnomePrintFactory::CreatePrinterLine()
 367 {
 368     // redundant now
 369     return wxEmptyString;
 370 }
 371
 372 bool wxGnomePrintFactory::HasStatusLine()
 373 {
 374     // redundant now
 375     return true;
 376 }
 377
 378 wxString wxGnomePrintFactory::CreateStatusLine()
 379 {
 380     // redundant now
 381     return wxEmptyString;
 382 }
 383
 384 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 385 {
 386     return new wxGnomePrintNativeData;
 387 }
 388
 389 //----------------------------------------------------------------------------
 390 // wxGnomePrintSetupDialog
 391 //----------------------------------------------------------------------------
 392
 393 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 394
 395 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 396                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 397                                wxPoint(0, 0), wxSize(600, 600),
 398                                wxDEFAULT_DIALOG_STYLE |
 399                                wxTAB_TRAVERSAL)
 400 {
 401     if (data)
 402         m_printDialogData = *data;
 403
 404     Init();
 405 }
 406
 407 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 408                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 409                                wxPoint(0, 0), wxSize(600, 600),
 410                                wxDEFAULT_DIALOG_STYLE |
 411                                wxTAB_TRAVERSAL)
 412 {
 413     if (data)
 414         m_printDialogData = *data;
 415
 416     Init();
 417 }
 418
 419 void wxGnomePrintDialog::Init()
 420 {
 421     wxPrintData data = m_printDialogData.GetPrintData();
 422
 423     wxGnomePrintNativeData *native =
 424       (wxGnomePrintNativeData*) data.GetNativeData();
 425
 426     m_widget = gs_lgp->gnome_print_dialog_new( native->GetPrintJob(),
 427                                        (guchar*)"Print",
 428                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 429
 430     int flag = 0;
 431     if (m_printDialogData.GetEnableSelection())
 432         flag |= GNOME_PRINT_RANGE_SELECTION;
 433     if (m_printDialogData.GetEnablePageNumbers())
 434         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 435
 436     gs_lgp->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 437                                              flag,
 438                                              m_printDialogData.GetMinPage(),
 439                                              m_printDialogData.GetMaxPage(),
 440                                              NULL,
 441                                              NULL );
 442 }
 443
 444 wxGnomePrintDialog::~wxGnomePrintDialog()
 445 {
 446     m_widget = NULL;
 447 }
 448
 449 int wxGnomePrintDialog::ShowModal()
 450 {
 451     // Transfer data from m_printDalogData to dialog here
 452
 453     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 454
 455     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 456     {
 457         gtk_widget_destroy(m_widget);
 458         m_widget = NULL;
 459
 460         return wxID_CANCEL;
 461     }
 462
 463     gint copies = 1;
 464     gboolean collate = false;
 465     gs_lgp->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 466     m_printDialogData.SetNoCopies( copies );
 467     m_printDialogData.SetCollate( collate );
 468
 469     switch (gs_lgp->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 470     {
 471         case GNOME_PRINT_RANGE_SELECTION:
 472             m_printDialogData.SetSelection( true );
 473             break;
 474         case GNOME_PRINT_RANGE_ALL:
 475             m_printDialogData.SetAllPages( true );
 476             m_printDialogData.SetFromPage( 0 );
 477             m_printDialogData.SetToPage( 9999 );
 478             break;
 479         case GNOME_PRINT_RANGE_RANGE:
 480         default:
 481             gint start,end;
 482             gs_lgp->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 483             m_printDialogData.SetFromPage( start );
 484             m_printDialogData.SetToPage( end );
 485             break;
 486     }
 487
 488     gtk_widget_destroy(m_widget);
 489     m_widget = NULL;
 490
 491     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 492         return wxID_PREVIEW;
 493
 494     return wxID_OK;
 495 }
 496
 497 wxDC *wxGnomePrintDialog::GetPrintDC()
 498 {
 499     // Later
 500     return NULL;
 501 }
 502
 503 bool wxGnomePrintDialog::Validate()
 504 {
 505     return true;
 506 }
 507
 508 bool wxGnomePrintDialog::TransferDataToWindow()
 509 {
 510     return true;
 511 }
 512
 513 bool wxGnomePrintDialog::TransferDataFromWindow()
 514 {
 515     return true;
 516 }
 517
 518 //----------------------------------------------------------------------------
 519 // wxGnomePageSetupDialog
 520 //----------------------------------------------------------------------------
 521
 522 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 523
 524 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 525                             wxPageSetupDialogData* data )
 526 {
 527     if (data)
 528         m_pageDialogData = *data;
 529
 530     wxGnomePrintNativeData *native =
 531       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 532
 533     // This is required as the page setup dialog
 534     // calculates wrong values otherwise.
 535     gs_lgp->gnome_print_config_set( native->GetPrintConfig(),
 536                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 537                             (const guchar*) "Pts" );
 538
 539     m_widget = gtk_dialog_new();
 540
 541     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 542
 543     GtkWidget *main = gs_lgp->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 544         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 545     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 546     gtk_widget_show (main);
 547
 548     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 549
 550     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 551
 552     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 553                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 554                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 555                             NULL);
 556
 557     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 558                             GTK_RESPONSE_OK);
 559 }
 560
 561 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 562 {
 563 }
 564
 565 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 566 {
 567     return m_pageDialogData;
 568 }
 569
 570 int wxGnomePageSetupDialog::ShowModal()
 571 {
 572     wxGnomePrintNativeData *native =
 573       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 574     GnomePrintConfig *config = native->GetPrintConfig();
 575
 576     // Transfer data from m_pageDialogData to native dialog
 577
 578     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 579
 580     if (ret == GTK_RESPONSE_OK)
 581     {
 582         // Transfer data back to m_pageDialogData
 583
 584         // I don't know how querying the last parameter works
 585         // I cannot test it as the dialog is currently broken
 586         // anyways (it only works for points).
 587         double ml,mr,mt,mb,pw,ph;
 588         gs_lgp->gnome_print_config_get_length (config,
 589             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 590         gs_lgp->gnome_print_config_get_length (config,
 591             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 592         gs_lgp->gnome_print_config_get_length (config,
 593             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 594         gs_lgp->gnome_print_config_get_length (config,
 595             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 596         gs_lgp->gnome_print_config_get_length (config,
 597             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 598         gs_lgp->gnome_print_config_get_length (config,
 599             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 600
 601         // This probably assumes that the user entered the
 602         // values in Pts. Since that is the only the dialog
 603         // works right now, we need to fix this later.
 604         const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 605         const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 606         gs_lgp->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 607         gs_lgp->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 608         gs_lgp->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 609         gs_lgp->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 610         gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 611         gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 612
 613         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 614         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 615
 616         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 617
 618 #if 0
 619         wxPrintf( wxT("paper %d %d, top margin %d\n"),
 620             m_pageDialogData.GetPaperSize().x,
 621             m_pageDialogData.GetPaperSize().y,
 622             m_pageDialogData.GetMarginTopLeft().x );
 623 #endif
 624
 625         ret = wxID_OK;
 626     }
 627     else
 628     {
 629         ret = wxID_CANCEL;
 630     }
 631
 632     gtk_widget_destroy( m_widget );
 633     m_widget = NULL;
 634
 635     return ret;
 636 }
 637
 638 bool wxGnomePageSetupDialog::Validate()
 639 {
 640     return true;
 641 }
 642
 643 bool wxGnomePageSetupDialog::TransferDataToWindow()
 644 {
 645     return true;
 646 }
 647
 648 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 649 {
 650     return true;
 651 }
 652
 653 //----------------------------------------------------------------------------
 654 // wxGnomePrinter
 655 //----------------------------------------------------------------------------
 656
 657 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 658
 659 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 660     wxPrinterBase( data )
 661 {
 662     m_gpc = NULL;
 663     m_native_preview = false;
 664 }
 665
 666 wxGnomePrinter::~wxGnomePrinter()
 667 {
 668 }
 669
 670 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 671 {
 672     if (!printout)
 673     {
 674         sm_lastError = wxPRINTER_ERROR;
 675         return false;
 676     }
 677
 678     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 679     wxGnomePrintNativeData *native =
 680         (wxGnomePrintNativeData*) printdata.GetNativeData();
 681
 682     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 683     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 684
 685     // The GnomePrintJob is temporarily stored in the
 686     // native print data as the native print dialog
 687     // needs to access it.
 688     native->SetPrintJob( job );
 689
 690
 691     printout->SetIsPreview(false);
 692
 693     if (m_printDialogData.GetMinPage() < 1)
 694         m_printDialogData.SetMinPage(1);
 695     if (m_printDialogData.GetMaxPage() < 1)
 696         m_printDialogData.SetMaxPage(9999);
 697
 698     wxDC *dc;
 699     if (prompt)
 700         dc = PrintDialog( parent );
 701     else
 702         dc = new wxGnomePrintDC( this );
 703
 704     if (m_native_preview)
 705         printout->SetIsPreview(true);
 706
 707     if (!dc)
 708     {
 709         gs_lgp->gnome_print_job_close( job );
 710         g_object_unref (G_OBJECT (job));
 711         sm_lastError = wxPRINTER_ERROR;
 712         return false;
 713     }
 714
 715     wxSize ScreenPixels = wxGetDisplaySize();
 716     wxSize ScreenMM = wxGetDisplaySizeMM();
 717
 718     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 719                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 720     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 721                              wxGnomePrintDC::GetResolution() );
 722
 723     printout->SetDC(dc);
 724
 725     int w, h;
 726     dc->GetSize(&w, &h);
 727     printout->SetPageSizePixels((int)w, (int)h);
 728     dc->GetSizeMM(&w, &h);
 729     printout->SetPageSizeMM((int)w, (int)h);
 730
 731     printout->OnPreparePrinting();
 732
 733     // Get some parameters from the printout, if defined
 734     int fromPage, toPage;
 735     int minPage, maxPage;
 736     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 737
 738     if (maxPage == 0)
 739     {
 740         gs_lgp->gnome_print_job_close( job );
 741         g_object_unref (G_OBJECT (job));
 742         sm_lastError = wxPRINTER_ERROR;
 743         return false;
 744     }
 745
 746     printout->OnBeginPrinting();
 747
 748     int minPageNum = minPage, maxPageNum = maxPage;
 749
 750     if ( !m_printDialogData.GetAllPages() )
 751     {
 752         minPageNum = m_printDialogData.GetFromPage();
 753         maxPageNum = m_printDialogData.GetToPage();
 754     }
 755
 756
 757     int copyCount;
 758     for ( copyCount = 1;
 759           copyCount <= m_printDialogData.GetNoCopies();
 760           copyCount++ )
 761     {
 762         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 763         {
 764             wxLogError(_("Could not start printing."));
 765             sm_lastError = wxPRINTER_ERROR;
 766             break;
 767         }
 768
 769         int pn;
 770         for ( pn = minPageNum;
 771               pn <= maxPageNum && printout->HasPage(pn);
 772               pn++ )
 773         {
 774             dc->StartPage();
 775             printout->OnPrintPage(pn);
 776             dc->EndPage();
 777         }
 778
 779         printout->OnEndDocument();
 780         printout->OnEndPrinting();
 781     }
 782
 783     gs_lgp->gnome_print_job_close( job );
 784     if (m_native_preview)
 785     {
 786         wxString title( _("Print preview") );
 787         gtk_widget_show( gs_lgp->gnome_print_job_preview_new( job, (const guchar*)(const char*)wxGTK_CONV(title) ));
 788     }
 789     else
 790     {
 791         gs_lgp->gnome_print_job_print( job );
 792     }
 793
 794     g_object_unref (G_OBJECT (job));
 795     delete dc;
 796
 797     return (sm_lastError == wxPRINTER_NO_ERROR);
 798 }
 799
 800 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 801 {
 802     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 803     int ret = dialog.ShowModal();
 804     if (ret == wxID_CANCEL)
 805     {
 806         sm_lastError = wxPRINTER_CANCELLED;
 807         return NULL;
 808     }
 809
 810     m_native_preview = ret == wxID_PREVIEW;
 811
 812     m_printDialogData = dialog.GetPrintDialogData();
 813     return new wxGnomePrintDC( this );
 814 }
 815
 816 bool wxGnomePrinter::Setup( wxWindow *parent )
 817 {
 818     return false;
 819 }
 820
 821 //-----------------------------------------------------------------------------
 822 // wxGnomePrintDC
 823 //-----------------------------------------------------------------------------
 824
 825 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 826
 827 wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 828 {
 829     m_printer = printer;
 830
 831     m_gpc = printer->GetPrintContext();
 832
 833     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 834     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 835
 836     m_currentRed = 0;
 837     m_currentBlue = 0;
 838     m_currentGreen = 0;
 839
 840     m_signX =  1;  // default x-axis left to right
 841     m_signY = -1;  // default y-axis bottom up -> top down
 842 }
 843
 844 wxGnomePrintDC::~wxGnomePrintDC()
 845 {
 846 }
 847
 848 bool wxGnomePrintDC::Ok() const
 849 {
 850     return true;
 851 }
 852
 853 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 854 {
 855     return false;
 856 }
 857
 858 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
 859 {
 860     return false;
 861 }
 862
 863 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 864 {
 865     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 866
 867     SetPen( m_pen );
 868
 869     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
 870     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
 871     gs_lgp->gnome_print_stroke ( m_gpc);
 872
 873     CalcBoundingBox( x1, y1 );
 874     CalcBoundingBox( x2, y2 );
 875 }
 876
 877 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
 878 {
 879 }
 880
 881 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
 882 {
 883     double dx = x1 - xc;
 884     double dy = y1 - yc;
 885     double radius = sqrt((double)(dx*dx+dy*dy));
 886     double alpha1, alpha2;
 887     if (x1 == x2 && y1 == y2)
 888     {
 889         alpha1 = 0.0;
 890         alpha2 = 360.0;
 891     }
 892     else
 893     if (radius == 0.0)
 894     {
 895         alpha1 = alpha2 = 0.0;
 896     }
 897     else
 898     {
 899         alpha1 = (x1 - xc == 0) ?
 900             (y1 - yc < 0) ? 90.0 : -90.0 :
 901             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 902         alpha2 = (x2 - xc == 0) ?
 903             (y2 - yc < 0) ? 90.0 : -90.0 :
 904             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 905
 906         while (alpha1 <= 0)   alpha1 += 360;
 907         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 908         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 909         while (alpha2 > 360)  alpha2 -= 360;
 910     }
 911
 912         if (m_brush.GetStyle() != wxTRANSPARENT)
 913         {
 914             SetBrush( m_brush );
 915             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 916             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 917
 918             gs_lgp->gnome_print_fill( m_gpc );
 919         }
 920
 921         if (m_pen.GetStyle() != wxTRANSPARENT)
 922         {
 923             SetPen (m_pen);
 924             gs_lgp->gnome_print_newpath( m_gpc );
 925             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 926             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 927             gs_lgp->gnome_print_closepath( m_gpc );
 928
 929             gs_lgp->gnome_print_stroke( m_gpc );
 930         }
 931
 932     CalcBoundingBox (x1, y1);
 933     CalcBoundingBox (x2, y2);
 934     CalcBoundingBox (xc, yc);
 935 }
 936
 937 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 938 {
 939     x += w/2;
 940     y += h/2;
 941
 942     int xx = XLOG2DEV(x);
 943     int yy = YLOG2DEV(y);
 944
 945     gs_lgp->gnome_print_gsave( m_gpc );
 946
 947     gs_lgp->gnome_print_translate( m_gpc, xx, yy );
 948     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
 949     gs_lgp->gnome_print_scale( m_gpc, 1.0, scale );
 950
 951     xx = 0;
 952     yy = 0;
 953
 954     if (m_brush.GetStyle () != wxTRANSPARENT)
 955     {
 956         SetBrush( m_brush );
 957
 958         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
 959         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
 960             XLOG2DEVREL(w)/2, sa, ea, 0 );
 961         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
 962
 963         gs_lgp->gnome_print_fill( m_gpc );
 964     }
 965
 966     if (m_pen.GetStyle () != wxTRANSPARENT)
 967     {
 968         SetPen (m_pen);
 969
 970         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
 971             XLOG2DEVREL(w)/2, sa, ea, 0 );
 972
 973         gs_lgp->gnome_print_stroke( m_gpc );
 974     }
 975
 976     gs_lgp->gnome_print_grestore( m_gpc );
 977
 978     CalcBoundingBox( x, y );
 979     CalcBoundingBox( x+w, y+h );
 980 }
 981
 982 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
 983 {
 984 }
 985
 986 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 987 {
 988     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 989
 990     if (n <= 0) return;
 991
 992     SetPen (m_pen);
 993
 994     int i;
 995     for ( i =0; i<n ; i++ )
 996         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
 997
 998     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
 999
1000     for (i = 1; i < n; i++)
1001         gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1002
1003     gs_lgp->gnome_print_stroke ( m_gpc);
1004 }
1005
1006 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1007 {
1008     if (n==0) return;
1009
1010     if (m_brush.GetStyle () != wxTRANSPARENT)
1011     {
1012         SetBrush( m_brush );
1013
1014         int x = points[0].x + xoffset;
1015         int y = points[0].y + yoffset;
1016         CalcBoundingBox( x, y );
1017         gs_lgp->gnome_print_newpath( m_gpc );
1018         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1019         int i;
1020         for (i = 1; i < n; i++)
1021         {
1022             int x = points[i].x + xoffset;
1023             int y = points[i].y + yoffset;
1024             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1025             CalcBoundingBox( x, y );
1026         }
1027         gs_lgp->gnome_print_closepath( m_gpc );
1028         gs_lgp->gnome_print_fill( m_gpc );
1029     }
1030
1031     if (m_pen.GetStyle () != wxTRANSPARENT)
1032     {
1033         SetPen (m_pen);
1034
1035         int x = points[0].x + xoffset;
1036         int y = points[0].y + yoffset;
1037         gs_lgp->gnome_print_newpath( m_gpc );
1038         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1039         int i;
1040         for (i = 1; i < n; i++)
1041         {
1042             int x = points[i].x + xoffset;
1043             int y = points[i].y + yoffset;
1044             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1045             CalcBoundingBox( x, y );
1046         }
1047         gs_lgp->gnome_print_closepath( m_gpc );
1048         gs_lgp->gnome_print_stroke( m_gpc );
1049     }
1050 }
1051
1052 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1053 {
1054     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1055 }
1056
1057 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1058 {
1059     if (m_brush.GetStyle () != wxTRANSPARENT)
1060     {
1061         SetBrush( m_brush );
1062
1063         gs_lgp->gnome_print_newpath( m_gpc );
1064         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1065         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1066         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1067         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1068         gs_lgp->gnome_print_closepath( m_gpc );
1069         gs_lgp->gnome_print_fill( m_gpc );
1070
1071         CalcBoundingBox( x, y );
1072         CalcBoundingBox( x + width, y + height );
1073     }
1074
1075     if (m_pen.GetStyle () != wxTRANSPARENT)
1076     {
1077         SetPen (m_pen);
1078
1079         gs_lgp->gnome_print_newpath( m_gpc );
1080         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1081         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1082         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1083         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1084         gs_lgp->gnome_print_closepath( m_gpc );
1085         gs_lgp->gnome_print_stroke( m_gpc );
1086
1087         CalcBoundingBox( x, y );
1088         CalcBoundingBox( x + width, y + height );
1089     }
1090 }
1091
1092 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1093 {
1094     wxCoord rad = (wxCoord) radius;
1095
1096     if (m_brush.GetStyle() != wxTRANSPARENT)
1097     {
1098         SetBrush(m_brush);
1099         gs_lgp->gnome_print_newpath(m_gpc);
1100         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1101         gs_lgp->gnome_print_curveto(m_gpc,
1102                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1103                                     XLOG2DEV(x),YLOG2DEV(y),
1104                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1105         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1106         gs_lgp->gnome_print_curveto(m_gpc,
1107                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1108                                     XLOG2DEV(x),YLOG2DEV(y + height),
1109                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1110         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1111         gs_lgp->gnome_print_curveto(m_gpc,
1112                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1113                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1114                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1115         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1116         gs_lgp->gnome_print_curveto(m_gpc,
1117                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1118                                     XLOG2DEV(x + width),YLOG2DEV(y),
1119                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1120         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1121         gs_lgp->gnome_print_closepath(m_gpc);
1122         gs_lgp->gnome_print_fill(m_gpc);
1123
1124         CalcBoundingBox(x,y);
1125         CalcBoundingBox(x+width,y+height);
1126     }
1127
1128     if (m_pen.GetStyle() != wxTRANSPARENT)
1129     {
1130         SetPen(m_pen);
1131         gs_lgp->gnome_print_newpath(m_gpc);
1132         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1133         gs_lgp->gnome_print_curveto(m_gpc,
1134                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1135                                     XLOG2DEV(x),YLOG2DEV(y),
1136                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1137         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1138         gs_lgp->gnome_print_curveto(m_gpc,
1139                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1140                                     XLOG2DEV(x),YLOG2DEV(y + height),
1141                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1142         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1143         gs_lgp->gnome_print_curveto(m_gpc,
1144                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1145                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1146                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1147         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1148         gs_lgp->gnome_print_curveto(m_gpc,
1149                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1150                                     XLOG2DEV(x + width),YLOG2DEV(y),
1151                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1152         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1153         gs_lgp->gnome_print_closepath(m_gpc);
1154         gs_lgp->gnome_print_stroke(m_gpc);
1155
1156         CalcBoundingBox(x,y);
1157         CalcBoundingBox(x+width,y+height);
1158     }
1159 }
1160
1161 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1162 {
1163     if (m_brush.GetStyle () != wxTRANSPARENT)
1164     {
1165         SetBrush( m_brush );
1166
1167         gs_lgp->gnome_print_newpath( m_gpc );
1168         gs_lgp->gnome_print_moveto( m_gpc,
1169                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
1170
1171         // start with top half
1172         gs_lgp->gnome_print_curveto( m_gpc,
1173                             XLOG2DEV(x), YLOG2DEV(y),
1174                             XLOG2DEV(x+width), YLOG2DEV(y),
1175                             XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
1176         // lower half
1177         gs_lgp->gnome_print_curveto( m_gpc,
1178                             XLOG2DEV(x+width), YLOG2DEV(y+height),
1179                             XLOG2DEV(x), YLOG2DEV(y+height),
1180                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
1181
1182         gs_lgp->gnome_print_closepath( m_gpc );
1183         gs_lgp->gnome_print_fill( m_gpc );
1184
1185         CalcBoundingBox( x, y );
1186         CalcBoundingBox( x + width, y + height );
1187     }
1188
1189     if (m_pen.GetStyle () != wxTRANSPARENT)
1190     {
1191         SetPen (m_pen);
1192
1193         gs_lgp->gnome_print_newpath( m_gpc );
1194         gs_lgp->gnome_print_moveto( m_gpc,
1195                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
1196
1197         // start with top half
1198         gs_lgp->gnome_print_curveto( m_gpc,
1199                             XLOG2DEV(x), YLOG2DEV(y),
1200                             XLOG2DEV(x+width), YLOG2DEV(y),
1201                             XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
1202         // lower half
1203         gs_lgp->gnome_print_curveto( m_gpc,
1204                             XLOG2DEV(x+width), YLOG2DEV(y+height),
1205                             XLOG2DEV(x), YLOG2DEV(y+height),
1206                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
1207
1208         gs_lgp->gnome_print_closepath( m_gpc );
1209         gs_lgp->gnome_print_stroke( m_gpc );
1210
1211         CalcBoundingBox( x, y );
1212         CalcBoundingBox( x + width, y + height );
1213     }
1214 }
1215
1216 #if wxUSE_SPLINES
1217 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1218 {
1219     SetPen (m_pen);
1220
1221     double c, d, x1, y1, x2, y2, x3, y3;
1222     wxPoint *p, *q;
1223
1224     wxList::compatibility_iterator node = points->GetFirst();
1225     p = (wxPoint *)node->GetData();
1226     x1 = p->x;
1227     y1 = p->y;
1228
1229     node = node->GetNext();
1230     p = (wxPoint *)node->GetData();
1231     c = p->x;
1232     d = p->y;
1233     x3 =
1234          (double)(x1 + c) / 2;
1235     y3 =
1236          (double)(y1 + d) / 2;
1237
1238     gs_lgp->gnome_print_newpath( m_gpc );
1239     gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1240     gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1241
1242     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1243     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1244
1245     node = node->GetNext();
1246     while (node)
1247     {
1248         q = (wxPoint *)node->GetData();
1249
1250         x1 = x3;
1251         y1 = y3;
1252         x2 = c;
1253         y2 = d;
1254         c = q->x;
1255         d = q->y;
1256         x3 = (double)(x2 + c) / 2;
1257         y3 = (double)(y2 + d) / 2;
1258
1259         gs_lgp->gnome_print_curveto(m_gpc,
1260             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1261             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1262             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1263
1264         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1265         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1266
1267         node = node->GetNext();
1268     }
1269
1270     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1271
1272     gs_lgp->gnome_print_stroke( m_gpc );
1273 }
1274 #endif // wxUSE_SPLINES
1275
1276 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1277             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1278             wxCoord xsrcMask, wxCoord ysrcMask)
1279 {
1280     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1281
1282     // blit into a bitmap
1283     wxBitmap bitmap( width, height );
1284     wxMemoryDC memDC;
1285     memDC.SelectObject(bitmap);
1286     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1287     memDC.SelectObject(wxNullBitmap);
1288
1289     // draw bitmap. scaling and positioning is done there
1290     DrawBitmap( bitmap, xdest, ydest );
1291
1292     return true;
1293 }
1294
1295 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1296 {
1297     DoDrawBitmap( icon, x, y, true );
1298 }
1299
1300 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1301 {
1302     if (!bitmap.Ok()) return;
1303
1304     if (bitmap.HasPixbuf())
1305     {
1306         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1307         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1308         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1309         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1310         int height = gdk_pixbuf_get_height( pixbuf );
1311         int width = gdk_pixbuf_get_width( pixbuf );
1312
1313         gs_lgp->gnome_print_gsave( m_gpc );
1314         double matrix[6];
1315         matrix[0] = XLOG2DEVREL(width);
1316         matrix[1] = 0;
1317         matrix[2] = 0;
1318         matrix[3] = YLOG2DEVREL(height);
1319         matrix[4] = XLOG2DEV(x);
1320         matrix[5] = YLOG2DEV(y+height);
1321         gs_lgp->gnome_print_concat( m_gpc, matrix );
1322         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1323         if (has_alpha)
1324             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1325         else
1326             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1327         gs_lgp->gnome_print_grestore( m_gpc );
1328     }
1329     else
1330     {
1331         wxImage image = bitmap.ConvertToImage();
1332
1333         if (!image.Ok()) return;
1334
1335         gs_lgp->gnome_print_gsave( m_gpc );
1336         double matrix[6];
1337         matrix[0] = XLOG2DEVREL(image.GetWidth());
1338         matrix[1] = 0;
1339         matrix[2] = 0;
1340         matrix[3] = YLOG2DEVREL(image.GetHeight());
1341         matrix[4] = XLOG2DEV(x);
1342         matrix[5] = YLOG2DEV(y+image.GetHeight());
1343         gs_lgp->gnome_print_concat( m_gpc, matrix );
1344         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1345         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1346         gs_lgp->gnome_print_grestore( m_gpc );
1347     }
1348 }
1349
1350 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1351 {
1352     DoDrawRotatedText( text, x, y, 0.0 );
1353 }
1354
1355 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1356 {
1357     x = XLOG2DEV(x);
1358     y = YLOG2DEV(y);
1359
1360     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1361
1362 #if wxUSE_UNICODE
1363     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1364 #else
1365     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1366     if ( !wdata )
1367         return;
1368     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1369 #endif
1370
1371     size_t datalen = strlen((const char*)data);
1372     pango_layout_set_text( m_layout, (const char*) data, datalen);
1373
1374     if (underlined)
1375     {
1376         PangoAttrList *attrs = pango_attr_list_new();
1377         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1378         a->start_index = 0;
1379         a->end_index = datalen;
1380         pango_attr_list_insert(attrs, a);
1381         pango_layout_set_attributes(m_layout, attrs);
1382         pango_attr_list_unref(attrs);
1383     }
1384
1385     if (m_textForegroundColour.Ok())
1386     {
1387         unsigned char red = m_textForegroundColour.Red();
1388         unsigned char blue = m_textForegroundColour.Blue();
1389         unsigned char green = m_textForegroundColour.Green();
1390
1391         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1392         {
1393             double redPS = (double)(red) / 255.0;
1394             double bluePS = (double)(blue) / 255.0;
1395             double greenPS = (double)(green) / 255.0;
1396
1397             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1398
1399             m_currentRed = red;
1400             m_currentBlue = blue;
1401             m_currentGreen = green;
1402         }
1403     }
1404
1405     int w,h;
1406
1407     if (fabs(m_scaleY - 1.0) > 0.00001)
1408     {
1409         // If there is a user or actually any scale applied to
1410         // the device context, scale the font.
1411
1412         // scale font description
1413         gint oldSize = pango_font_description_get_size( m_fontdesc );
1414         double size = oldSize;
1415         size = size * m_scaleY;
1416         pango_font_description_set_size( m_fontdesc, (gint)size );
1417
1418         // actually apply scaled font
1419         pango_layout_set_font_description( m_layout, m_fontdesc );
1420
1421         pango_layout_get_pixel_size( m_layout, &w, &h );
1422 #if 0
1423         if ( m_backgroundMode == wxSOLID )
1424         {
1425             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1426             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1427             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1428         }
1429 #endif
1430         // Draw layout.
1431         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1432         if (fabs(angle) > 0.00001)
1433         {
1434             gs_lgp->gnome_print_gsave( m_gpc );
1435             gs_lgp->gnome_print_rotate( m_gpc, angle );
1436             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1437             gs_lgp->gnome_print_grestore( m_gpc );
1438         }
1439         else
1440         {
1441             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1442         }
1443
1444         // reset unscaled size
1445         pango_font_description_set_size( m_fontdesc, oldSize );
1446
1447         // actually apply unscaled font
1448         pango_layout_set_font_description( m_layout, m_fontdesc );
1449     }
1450     else
1451     {
1452         pango_layout_get_pixel_size( m_layout, &w, &h );
1453 #if 0
1454         if ( m_backgroundMode == wxSOLID )
1455         {
1456             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1457             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1458             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1459         }
1460 #endif
1461         // Draw layout.
1462         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1463         if (fabs(angle) > 0.00001)
1464         {
1465             gs_lgp->gnome_print_gsave( m_gpc );
1466             gs_lgp->gnome_print_rotate( m_gpc, angle );
1467             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1468             gs_lgp->gnome_print_grestore( m_gpc );
1469         }
1470         else
1471         {
1472             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1473         }
1474     }
1475
1476     if (underlined)
1477     {
1478         // undo underline attributes setting:
1479         pango_layout_set_attributes(m_layout, NULL);
1480     }
1481
1482     CalcBoundingBox (x + w, y + h);
1483 }
1484
1485 void wxGnomePrintDC::Clear()
1486 {
1487 }
1488
1489 void wxGnomePrintDC::SetFont( const wxFont& font )
1490 {
1491     m_font = font;
1492
1493     if (m_font.Ok())
1494     {
1495         if (m_fontdesc)
1496             pango_font_description_free( m_fontdesc );
1497
1498         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1499
1500         pango_layout_set_font_description( m_layout, m_fontdesc );
1501     }
1502 }
1503
1504 void wxGnomePrintDC::SetPen( const wxPen& pen )
1505 {
1506     if (!pen.Ok()) return;
1507
1508     m_pen = pen;
1509
1510     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1511
1512     static const double dotted[] =  {2.0, 5.0};
1513     static const double short_dashed[] = {4.0, 4.0};
1514     static const double wxCoord_dashed[] = {4.0, 8.0};
1515     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1516
1517     switch (m_pen.GetStyle())
1518     {
1519         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1520         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1521         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1522         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1523         case wxSOLID:
1524         case wxTRANSPARENT:
1525         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1526     }
1527
1528
1529     unsigned char red = m_pen.GetColour().Red();
1530     unsigned char blue = m_pen.GetColour().Blue();
1531     unsigned char green = m_pen.GetColour().Green();
1532
1533     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1534     {
1535         double redPS = (double)(red) / 255.0;
1536         double bluePS = (double)(blue) / 255.0;
1537         double greenPS = (double)(green) / 255.0;
1538
1539         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1540
1541         m_currentRed = red;
1542         m_currentBlue = blue;
1543         m_currentGreen = green;
1544     }
1545 }
1546
1547 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1548 {
1549     if (!brush.Ok()) return;
1550
1551     m_brush = brush;
1552
1553     // Brush colour
1554     unsigned char red = m_brush.GetColour().Red();
1555     unsigned char blue = m_brush.GetColour().Blue();
1556     unsigned char green = m_brush.GetColour().Green();
1557
1558     if (!m_colour)
1559     {
1560         // Anything not white is black
1561         if (! (red == (unsigned char) 255 &&
1562                blue == (unsigned char) 255 &&
1563                green == (unsigned char) 255) )
1564         {
1565             red = (unsigned char) 0;
1566             green = (unsigned char) 0;
1567             blue = (unsigned char) 0;
1568         }
1569         // setgray here ?
1570     }
1571
1572     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1573     {
1574         double redPS = (double)(red) / 255.0;
1575         double bluePS = (double)(blue) / 255.0;
1576         double greenPS = (double)(green) / 255.0;
1577
1578         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1579
1580         m_currentRed = red;
1581         m_currentBlue = blue;
1582         m_currentGreen = green;
1583     }
1584 }
1585
1586 void wxGnomePrintDC::SetLogicalFunction( int function )
1587 {
1588 }
1589
1590 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1591 {
1592 }
1593
1594 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1595 {
1596 }
1597
1598 void wxGnomePrintDC::DestroyClippingRegion()
1599 {
1600 }
1601
1602 bool wxGnomePrintDC::StartDoc(const wxString& message)
1603 {
1604     SetDeviceOrigin( 0,0 );
1605
1606     return true;
1607 }
1608
1609 void wxGnomePrintDC::EndDoc()
1610 {
1611     gs_lgp->gnome_print_end_doc( m_gpc );
1612 }
1613
1614 void wxGnomePrintDC::StartPage()
1615 {
1616     gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1617 }
1618
1619 void wxGnomePrintDC::EndPage()
1620 {
1621     gs_lgp->gnome_print_showpage( m_gpc );
1622 }
1623
1624 wxCoord wxGnomePrintDC::GetCharHeight() const
1625 {
1626     pango_layout_set_text( m_layout, "H", 1 );
1627
1628     int w,h;
1629     pango_layout_get_pixel_size( m_layout, &w, &h );
1630
1631     return h;
1632 }
1633
1634 wxCoord wxGnomePrintDC::GetCharWidth() const
1635 {
1636     pango_layout_set_text( m_layout, "H", 1 );
1637
1638     int w,h;
1639     pango_layout_get_pixel_size( m_layout, &w, &h );
1640
1641     return w;
1642 }
1643
1644 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1645                      wxCoord *descent,
1646                      wxCoord *externalLeading,
1647                      wxFont *theFont ) const
1648 {
1649     if ( width )
1650         *width = 0;
1651     if ( height )
1652         *height = 0;
1653     if ( descent )
1654         *descent = 0;
1655     if ( externalLeading )
1656         *externalLeading = 0;
1657
1658     if (string.empty())
1659     {
1660         return;
1661     }
1662
1663     // Set new font description
1664     if (theFont)
1665         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1666
1667     // Set layout's text
1668 #if wxUSE_UNICODE
1669     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1670     const char *dataUTF8 = (const char *)data;
1671 #else
1672     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1673     if ( !wdata )
1674     {
1675         if (width) (*width) = 0;
1676         if (height) (*height) = 0;
1677         return;
1678     }
1679     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1680     const char *dataUTF8 = (const char *)data;
1681 #endif
1682
1683     if ( !dataUTF8 )
1684     {
1685         // hardly ideal, but what else can we do if conversion failed?
1686         return;
1687     }
1688
1689     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1690
1691     int w,h;
1692     pango_layout_get_pixel_size( m_layout, &w, &h );
1693
1694     if (width)
1695         *width = (wxCoord)(w / m_scaleX);
1696     if (height)
1697         *height = (wxCoord)(h / m_scaleY);
1698     if (descent)
1699     {
1700         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1701         int baseline = pango_layout_iter_get_baseline(iter);
1702         pango_layout_iter_free(iter);
1703         *descent = h - PANGO_PIXELS(baseline);
1704     }
1705
1706     // Reset old font description
1707     if (theFont)
1708         pango_layout_set_font_description( m_layout, m_fontdesc );
1709 }
1710
1711 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1712 {
1713     wxGnomePrintNativeData *native =
1714       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1715
1716     // Query page size. This seems to omit the margins
1717     // right now, although it shouldn't
1718     double pw,ph;
1719     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1720
1721     if (width)
1722         *width = (int) (pw + 0.5);
1723     if (height)
1724         *height = (int) (ph + 0.5);
1725 }
1726
1727 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1728 {
1729     wxGnomePrintNativeData *native =
1730       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1731
1732     // This code assumes values in Pts.
1733
1734     double pw,ph;
1735     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1736
1737     // Convert to mm.
1738
1739     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1740     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1741     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1742     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1743
1744     if (width)
1745         *width = (int) (pw + 0.5);
1746     if (height)
1747         *height = (int) (ph + 0.5);
1748 }
1749
1750 wxSize wxGnomePrintDC::GetPPI() const
1751 {
1752     return wxSize(72,72);
1753 }
1754
1755 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1756 {
1757     m_signX = (xLeftRight ? 1 : -1);
1758     m_signY = (yBottomUp  ? 1 : -1);
1759
1760     ComputeScaleAndOrigin();
1761 }
1762
1763 void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1764 {
1765     int h = 0;
1766     int w = 0;
1767     GetSize( &w, &h );
1768
1769     wxDC::SetDeviceOrigin( x, h-y );
1770 }
1771
1772 void wxGnomePrintDC::SetResolution(int ppi)
1773 {
1774 }
1775
1776 int wxGnomePrintDC::GetResolution()
1777 {
1778     return 72;
1779 }
1780
1781
1782 class wxGnomePrintModule: public wxModule
1783 {
1784 public:
1785     wxGnomePrintModule() {}
1786     bool OnInit();
1787     void OnExit();
1788
1789 private:
1790     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1791 };
1792
1793 bool wxGnomePrintModule::OnInit()
1794 {
1795     gs_lgp = new wxGnomePrintLibrary;
1796     if (gs_lgp->IsOk())
1797         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1798     return true;
1799 }
1800
1801 void wxGnomePrintModule::OnExit()
1802 {
1803     delete gs_lgp;
1804 }
1805
1806 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1807
1808 #endif
1809     // wxUSE_LIBGNOMEPRINT