src/gtk/gnome/gprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/gnome/gprint.cpp
   3 // Author:      Robert Roebling
   4 // Purpose:     Implement GNOME printing support
   5 // Created:     09/20/04
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/gtk/gnome/gprint.h"
  19
  20 #if wxUSE_LIBGNOMEPRINT
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24     #include "wx/dcmemory.h"
  25     #include "wx/icon.h"
  26     #include "wx/math.h"
  27     #include "wx/image.h"
  28     #include "wx/module.h"
  29 #endif
  30
  31 #include "wx/fontutil.h"
  32 #include "wx/gtk/private.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35
  36 #include <libgnomeprint/gnome-print.h>
  37 #include <libgnomeprint/gnome-print-pango.h>
  38 #include <libgnomeprint/gnome-print-config.h>
  39 #include <libgnomeprintui/gnome-print-dialog.h>
  40 #include <libgnomeprintui/gnome-print-job-preview.h>
  41 #include <libgnomeprintui/gnome-print-paper-selector.h>
  42
  43 static const double RAD2DEG  = 180.0 / M_PI;
  44
  45 #include "wx/html/forcelnk.h"
  46 FORCE_LINK_ME(gnome_print)
  47
  48 //----------------------------------------------------------------------------
  49 // wxGnomePrintLibrary
  50 //----------------------------------------------------------------------------
  51
  52 #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
  53     typedef rettype (* name ## Type) args ; \
  54     name ## Type pfn_ ## name; \
  55     rettype name args \
  56     { if (m_ok) return pfn_ ## name shortargs ; return defret; }
  57
  58 #define wxDL_METHOD_LOAD( lib, name, success ) \
  59     pfn_ ## name = (name ## Type) lib->GetSymbol( wxT(#name), &success ); \
  60     if (!success) return;
  61
  62 class wxGnomePrintLibrary
  63 {
  64 public:
  65     wxGnomePrintLibrary();
  66     ~wxGnomePrintLibrary();
  67
  68     bool IsOk();
  69     void InitializeMethods();
  70
  71 private:
  72     bool              m_ok;
  73     wxDynamicLibrary *m_gnome_print_lib;
  74     wxDynamicLibrary *m_gnome_printui_lib;
  75
  76 public:
  77     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  78         (GnomePrintContext *pc), (pc), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  80         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  82         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  84         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  86         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  88         (GnomePrintContext *pc), (pc), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  90         (GnomePrintContext *pc), (pc), 0 )
  91     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  92         (GnomePrintContext *pc), (pc), 0 )
  93     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  94         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  95     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  96         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  97     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  98         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  99
 100     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
 101         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 102     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
 103         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
 104
 105     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 106         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 107     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 108         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 109     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 110         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 111     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 112         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 113
 114     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 115         (GnomePrintContext *pc), (pc), 0 )
 116     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 117         (GnomePrintContext *pc), (pc), 0 )
 118
 119     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 120         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 121     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 122         (GnomePrintContext *pc), (pc), 0 )
 123     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 124         (GnomePrintContext *pc), (pc), 0 )
 125
 126     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 127         (GnomePrintContext *gpc), (gpc), NULL )
 128     wxDL_METHOD_DEFINE( void, gnome_print_pango_layout,
 129         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout), /**/ )
 130
 131     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 132         (GnomePrintConfig *config), (config), NULL )
 133     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 134         (GnomePrintJob *job), (job), NULL )
 135     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 136         (GnomePrintJob *job), (job), 0 )
 137     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 138         (GnomePrintJob *job), (job), 0 )
 139     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 140         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 141
 142     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 143         (const guchar *abbreviation), (abbreviation), NULL )
 144     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 145         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 146
 147     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 148         (void), (), NULL )
 149     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 150         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 151     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 152         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 153
 154     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 155         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 156     wxDL_METHOD_DEFINE( void, gnome_print_dialog_construct_range_page,
 157         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 158         const guchar *currentlabel, const guchar *rangelabel),
 159         (gpd, flags, start, end, currentlabel, rangelabel), /**/ )
 160     wxDL_METHOD_DEFINE( void, gnome_print_dialog_get_copies,
 161         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate), /**/ )
 162     wxDL_METHOD_DEFINE( void, gnome_print_dialog_set_copies,
 163         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate), /**/ )
 164     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 165         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 166     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 167         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 168
 169     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 170         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 171
 172     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 173         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 174 };
 175
 176 wxGnomePrintLibrary::wxGnomePrintLibrary()
 177 {
 178     m_gnome_print_lib = NULL;
 179     m_gnome_printui_lib = NULL;
 180
 181     wxLogNull log;
 182
 183     m_gnome_print_lib = new wxDynamicLibrary( wxT("libgnomeprint-2-2.so.0") );
 184     m_ok = m_gnome_print_lib->IsLoaded();
 185     if (!m_ok) return;
 186
 187     m_gnome_printui_lib = new wxDynamicLibrary( wxT("libgnomeprintui-2-2.so.0") );
 188     m_ok = m_gnome_printui_lib->IsLoaded();
 189     if (!m_ok) return;
 190
 191     InitializeMethods();
 192 }
 193
 194 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 195 {
 196     if (m_gnome_print_lib)
 197         delete m_gnome_print_lib;
 198     if (m_gnome_printui_lib)
 199         delete m_gnome_printui_lib;
 200 }
 201
 202 bool wxGnomePrintLibrary::IsOk()
 203 {
 204     return m_ok;
 205 }
 206
 207 void wxGnomePrintLibrary::InitializeMethods()
 208 {
 209     m_ok = false;
 210     bool success;
 211
 212     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_newpath, success )
 213     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_moveto, success )
 214     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_lineto, success )
 215     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_curveto, success )
 216     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_arcto, success )
 217     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_closepath, success )
 218     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_stroke, success )
 219     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_fill, success )
 220     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setrgbcolor, success )
 221     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setlinewidth, success )
 222     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setdash, success )
 223
 224     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbimage, success )
 225     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbaimage, success )
 226
 227     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_concat, success )
 228     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_scale, success )
 229     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rotate, success )
 230     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_translate, success )
 231
 232     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_gsave, success )
 233     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_grestore, success )
 234
 235     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_beginpage, success )
 236     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_showpage, success )
 237     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_end_doc, success )
 238
 239     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_create_layout, success )
 240     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_layout, success )
 241
 242     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_new, success )
 243     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_context, success )
 244     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_close, success )
 245     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_print, success )
 246     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_page_size, success )
 247
 248     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_unit_get_by_abbreviation, success )
 249     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_convert_distance, success )
 250
 251     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_default, success )
 252     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_set, success )
 253     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_get_length, success )
 254
 255     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_new, success )
 256     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_construct_range_page, success )
 257     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_copies, success )
 258     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_set_copies, success )
 259     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range, success )
 260     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range_page, success )
 261
 262     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_paper_selector_new_with_flags, success )
 263
 264     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_job_preview_new, success )
 265
 266     m_ok = true;
 267 }
 268
 269 static wxGnomePrintLibrary* gs_lgp = NULL;
 270
 271 //----------------------------------------------------------------------------
 272 // wxGnomePrintNativeData
 273 //----------------------------------------------------------------------------
 274
 275 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 276
 277 wxGnomePrintNativeData::wxGnomePrintNativeData()
 278 {
 279     m_config = gs_lgp->gnome_print_config_default();
 280     m_job = gs_lgp->gnome_print_job_new( m_config );
 281 }
 282
 283 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 284 {
 285     g_object_unref (m_config);
 286 }
 287
 288 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 289 {
 290     // TODO
 291     return true;
 292 }
 293
 294 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 295 {
 296     // TODO
 297     return true;
 298 }
 299
 300 //----------------------------------------------------------------------------
 301 // wxGnomePrintFactory
 302 //----------------------------------------------------------------------------
 303
 304 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 305 {
 306     return new wxGnomePrinter( data );
 307 }
 308
 309 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 310                                                     wxPrintout *printout,
 311                                                     wxPrintDialogData *data )
 312 {
 313     return new wxGnomePrintPreview( preview, printout, data );
 314 }
 315
 316 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 317                                                     wxPrintout *printout,
 318                                                     wxPrintData *data )
 319 {
 320     return new wxGnomePrintPreview( preview, printout, data );
 321 }
 322
 323 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 324                                                   wxPrintDialogData *data )
 325 {
 326     return new wxGnomePrintDialog( parent, data );
 327 }
 328
 329 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 330                                                   wxPrintData *data )
 331 {
 332     return new wxGnomePrintDialog( parent, data );
 333 }
 334
 335 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 336                                                           wxPageSetupDialogData * data )
 337 {
 338 //  The native page setup dialog is broken. It
 339 //  miscalculates newly entered values for the
 340 //  margins if you have not chose "points" but
 341 //  e.g. centimerters.
 342 //  This has been fixed in GNOME CVS (maybe
 343 //  fixed in libgnomeprintui 2.8.1)
 344
 345     return new wxGnomePageSetupDialog( parent, data );
 346 }
 347
 348 bool wxGnomePrintFactory::HasPrintSetupDialog()
 349 {
 350     return false;
 351 }
 352
 353 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 354 {
 355     return NULL;
 356 }
 357
 358 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 359 {
 360     return new wxGnomePrintDC(data);
 361 }
 362
 363 bool wxGnomePrintFactory::HasOwnPrintToFile()
 364 {
 365     return true;
 366 }
 367
 368 bool wxGnomePrintFactory::HasPrinterLine()
 369 {
 370     return true;
 371 }
 372
 373 wxString wxGnomePrintFactory::CreatePrinterLine()
 374 {
 375     // redundant now
 376     return wxEmptyString;
 377 }
 378
 379 bool wxGnomePrintFactory::HasStatusLine()
 380 {
 381     // redundant now
 382     return true;
 383 }
 384
 385 wxString wxGnomePrintFactory::CreateStatusLine()
 386 {
 387     // redundant now
 388     return wxEmptyString;
 389 }
 390
 391 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 392 {
 393     return new wxGnomePrintNativeData;
 394 }
 395
 396 //----------------------------------------------------------------------------
 397 // wxGnomePrintSetupDialog
 398 //----------------------------------------------------------------------------
 399
 400 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 401
 402 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 403                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 404                                wxPoint(0, 0), wxSize(600, 600),
 405                                wxDEFAULT_DIALOG_STYLE |
 406                                wxTAB_TRAVERSAL)
 407 {
 408     if (data)
 409         m_printDialogData = *data;
 410
 411     Init();
 412 }
 413
 414 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 415                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 416                                wxPoint(0, 0), wxSize(600, 600),
 417                                wxDEFAULT_DIALOG_STYLE |
 418                                wxTAB_TRAVERSAL)
 419 {
 420     if (data)
 421         m_printDialogData = *data;
 422
 423     Init();
 424 }
 425
 426 void wxGnomePrintDialog::Init()
 427 {
 428     wxPrintData data = m_printDialogData.GetPrintData();
 429
 430     wxGnomePrintNativeData *native =
 431       (wxGnomePrintNativeData*) data.GetNativeData();
 432
 433     m_widget = gs_lgp->gnome_print_dialog_new( native->GetPrintJob(),
 434                                        (guchar*)"Print",
 435                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 436
 437     int flag = 0;
 438     if (m_printDialogData.GetEnableSelection())
 439         flag |= GNOME_PRINT_RANGE_SELECTION;
 440     if (m_printDialogData.GetEnablePageNumbers())
 441         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 442
 443     gs_lgp->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 444                                              flag,
 445                                              m_printDialogData.GetMinPage(),
 446                                              m_printDialogData.GetMaxPage(),
 447                                              NULL,
 448                                              NULL );
 449 }
 450
 451 wxGnomePrintDialog::~wxGnomePrintDialog()
 452 {
 453     m_widget = NULL;
 454 }
 455
 456 int wxGnomePrintDialog::ShowModal()
 457 {
 458     // Transfer data from m_printDalogData to dialog here
 459
 460     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 461
 462     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 463     {
 464         gtk_widget_destroy(m_widget);
 465         m_widget = NULL;
 466
 467         return wxID_CANCEL;
 468     }
 469
 470     gint copies = 1;
 471     gboolean collate = false;
 472     gs_lgp->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 473     m_printDialogData.SetNoCopies( copies );
 474     m_printDialogData.SetCollate( collate );
 475
 476     switch (gs_lgp->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 477     {
 478         case GNOME_PRINT_RANGE_SELECTION:
 479             m_printDialogData.SetSelection( true );
 480             break;
 481         case GNOME_PRINT_RANGE_ALL:
 482             m_printDialogData.SetAllPages( true );
 483             m_printDialogData.SetFromPage( 0 );
 484             m_printDialogData.SetToPage( 9999 );
 485             break;
 486         case GNOME_PRINT_RANGE_RANGE:
 487         default:
 488             gint start,end;
 489             gs_lgp->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 490             m_printDialogData.SetFromPage( start );
 491             m_printDialogData.SetToPage( end );
 492             break;
 493     }
 494
 495     gtk_widget_destroy(m_widget);
 496     m_widget = NULL;
 497
 498     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 499         return wxID_PREVIEW;
 500
 501     return wxID_OK;
 502 }
 503
 504 wxDC *wxGnomePrintDialog::GetPrintDC()
 505 {
 506     // Later
 507     return NULL;
 508 }
 509
 510 bool wxGnomePrintDialog::Validate()
 511 {
 512     return true;
 513 }
 514
 515 bool wxGnomePrintDialog::TransferDataToWindow()
 516 {
 517     return true;
 518 }
 519
 520 bool wxGnomePrintDialog::TransferDataFromWindow()
 521 {
 522     return true;
 523 }
 524
 525 //----------------------------------------------------------------------------
 526 // wxGnomePageSetupDialog
 527 //----------------------------------------------------------------------------
 528
 529 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 530
 531 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 532                             wxPageSetupDialogData* data )
 533 {
 534     if (data)
 535         m_pageDialogData = *data;
 536
 537     wxGnomePrintNativeData *native =
 538       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 539
 540     // This is required as the page setup dialog
 541     // calculates wrong values otherwise.
 542     gs_lgp->gnome_print_config_set( native->GetPrintConfig(),
 543                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 544                             (const guchar*) "Pts" );
 545
 546     m_widget = gtk_dialog_new();
 547
 548     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 549
 550     GtkWidget *main = gs_lgp->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 551         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 552     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 553     gtk_widget_show (main);
 554
 555     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 556
 557     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 558
 559     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 560                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 561                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 562                             NULL);
 563
 564     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 565                             GTK_RESPONSE_OK);
 566 }
 567
 568 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 569 {
 570 }
 571
 572 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 573 {
 574     return m_pageDialogData;
 575 }
 576
 577 int wxGnomePageSetupDialog::ShowModal()
 578 {
 579     wxGnomePrintNativeData *native =
 580       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 581     GnomePrintConfig *config = native->GetPrintConfig();
 582
 583     // Transfer data from m_pageDialogData to native dialog
 584
 585     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 586
 587     if (ret == GTK_RESPONSE_OK)
 588     {
 589         // Transfer data back to m_pageDialogData
 590
 591         // I don't know how querying the last parameter works
 592         // I cannot test it as the dialog is currently broken
 593         // anyways (it only works for points).
 594         double ml,mr,mt,mb,pw,ph;
 595         gs_lgp->gnome_print_config_get_length (config,
 596             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 597         gs_lgp->gnome_print_config_get_length (config,
 598             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 599         gs_lgp->gnome_print_config_get_length (config,
 600             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 601         gs_lgp->gnome_print_config_get_length (config,
 602             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 603         gs_lgp->gnome_print_config_get_length (config,
 604             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 605         gs_lgp->gnome_print_config_get_length (config,
 606             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 607
 608         // This probably assumes that the user entered the
 609         // values in Pts. Since that is the only the dialog
 610         // works right now, we need to fix this later.
 611         const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 612         const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 613         gs_lgp->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 614         gs_lgp->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 615         gs_lgp->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 616         gs_lgp->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 617         gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 618         gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 619
 620         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 621         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 622
 623         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 624
 625 #if 0
 626         wxPrintf( wxT("paper %d %d, top margin %d\n"),
 627             m_pageDialogData.GetPaperSize().x,
 628             m_pageDialogData.GetPaperSize().y,
 629             m_pageDialogData.GetMarginTopLeft().x );
 630 #endif
 631
 632         ret = wxID_OK;
 633     }
 634     else
 635     {
 636         ret = wxID_CANCEL;
 637     }
 638
 639     gtk_widget_destroy( m_widget );
 640     m_widget = NULL;
 641
 642     return ret;
 643 }
 644
 645 bool wxGnomePageSetupDialog::Validate()
 646 {
 647     return true;
 648 }
 649
 650 bool wxGnomePageSetupDialog::TransferDataToWindow()
 651 {
 652     return true;
 653 }
 654
 655 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 656 {
 657     return true;
 658 }
 659
 660 //----------------------------------------------------------------------------
 661 // wxGnomePrinter
 662 //----------------------------------------------------------------------------
 663
 664 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 665
 666 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 667     wxPrinterBase( data )
 668 {
 669     m_gpc = NULL;
 670     m_native_preview = false;
 671 }
 672
 673 wxGnomePrinter::~wxGnomePrinter()
 674 {
 675 }
 676
 677 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 678 {
 679     if (!printout)
 680     {
 681         sm_lastError = wxPRINTER_ERROR;
 682         return false;
 683     }
 684
 685     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 686     wxGnomePrintNativeData *native =
 687         (wxGnomePrintNativeData*) printdata.GetNativeData();
 688
 689     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 690     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 691
 692     // The GnomePrintJob is temporarily stored in the
 693     // native print data as the native print dialog
 694     // needs to access it.
 695     native->SetPrintJob( job );
 696
 697
 698     printout->SetIsPreview(false);
 699
 700     if (m_printDialogData.GetMinPage() < 1)
 701         m_printDialogData.SetMinPage(1);
 702     if (m_printDialogData.GetMaxPage() < 1)
 703         m_printDialogData.SetMaxPage(9999);
 704
 705     wxDC *dc;
 706     if (prompt)
 707         dc = PrintDialog( parent );
 708     else
 709         dc = new wxGnomePrintDC( this );
 710
 711     if (m_native_preview)
 712         printout->SetIsPreview(true);
 713
 714     if (!dc)
 715     {
 716         gs_lgp->gnome_print_job_close( job );
 717         g_object_unref (job);
 718         sm_lastError = wxPRINTER_ERROR;
 719         return false;
 720     }
 721
 722     wxSize ScreenPixels = wxGetDisplaySize();
 723     wxSize ScreenMM = wxGetDisplaySizeMM();
 724
 725     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 726                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 727     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 728                              wxGnomePrintDC::GetResolution() );
 729
 730     printout->SetDC(dc);
 731
 732     int w, h;
 733     dc->GetSize(&w, &h);
 734     printout->SetPageSizePixels((int)w, (int)h);
 735     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 736     int mw, mh;
 737     dc->GetSizeMM(&mw, &mh);
 738     printout->SetPageSizeMM((int)mw, (int)mh);
 739
 740     printout->OnPreparePrinting();
 741
 742     // Get some parameters from the printout, if defined
 743     int fromPage, toPage;
 744     int minPage, maxPage;
 745     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 746
 747     if (maxPage == 0)
 748     {
 749         gs_lgp->gnome_print_job_close( job );
 750         g_object_unref (job);
 751         sm_lastError = wxPRINTER_ERROR;
 752         return false;
 753     }
 754
 755     printout->OnBeginPrinting();
 756
 757     int minPageNum = minPage, maxPageNum = maxPage;
 758
 759     if ( !m_printDialogData.GetAllPages() )
 760     {
 761         minPageNum = m_printDialogData.GetFromPage();
 762         maxPageNum = m_printDialogData.GetToPage();
 763     }
 764
 765
 766     int copyCount;
 767     for ( copyCount = 1;
 768           copyCount <= m_printDialogData.GetNoCopies();
 769           copyCount++ )
 770     {
 771         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 772         {
 773             wxLogError(_("Could not start printing."));
 774             sm_lastError = wxPRINTER_ERROR;
 775             break;
 776         }
 777
 778         int pn;
 779         for ( pn = minPageNum;
 780               pn <= maxPageNum && printout->HasPage(pn);
 781               pn++ )
 782         {
 783             dc->StartPage();
 784             printout->OnPrintPage(pn);
 785             dc->EndPage();
 786         }
 787
 788         printout->OnEndDocument();
 789         printout->OnEndPrinting();
 790     }
 791
 792     gs_lgp->gnome_print_job_close( job );
 793     if (m_native_preview)
 794     {
 795         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 796         GtkWidget *preview = gs_lgp->gnome_print_job_preview_new
 797                                      (
 798                                         job,
 799                                         (const guchar *)title.data()
 800                                      );
 801         gtk_widget_show(preview);
 802     }
 803     else
 804     {
 805         gs_lgp->gnome_print_job_print( job );
 806     }
 807
 808     g_object_unref (job);
 809     delete dc;
 810
 811     return (sm_lastError == wxPRINTER_NO_ERROR);
 812 }
 813
 814 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 815 {
 816     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 817     int ret = dialog.ShowModal();
 818     if (ret == wxID_CANCEL)
 819     {
 820         sm_lastError = wxPRINTER_CANCELLED;
 821         return NULL;
 822     }
 823
 824     m_native_preview = ret == wxID_PREVIEW;
 825
 826     m_printDialogData = dialog.GetPrintDialogData();
 827     return new wxGnomePrintDC( this );
 828 }
 829
 830 bool wxGnomePrinter::Setup( wxWindow *parent )
 831 {
 832     return false;
 833 }
 834
 835 //-----------------------------------------------------------------------------
 836 // wxGnomePrintDC
 837 //-----------------------------------------------------------------------------
 838
 839 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 840
 841 wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 842 {
 843     m_printer = printer;
 844
 845     m_gpc = printer->GetPrintContext();
 846     m_job = NULL; // only used and destroyed when created with wxPrintData
 847
 848     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 849     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 850
 851     m_currentRed = 0;
 852     m_currentBlue = 0;
 853     m_currentGreen = 0;
 854
 855     m_signX =  1;  // default x-axis left to right
 856     m_signY = -1;  // default y-axis bottom up -> top down
 857 }
 858
 859 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 860 {
 861     m_printer = NULL;
 862     m_printData = data;
 863
 864     wxGnomePrintNativeData *native =
 865         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 866
 867     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 868     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 869     m_job = job; // only used and destroyed when created with wxPrintData
 870
 871     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 872     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 873
 874     m_currentRed = 0;
 875     m_currentBlue = 0;
 876     m_currentGreen = 0;
 877
 878     m_signX =  1;  // default x-axis left to right
 879     m_signY = -1;  // default y-axis bottom up -> top down
 880 }
 881
 882 wxGnomePrintDC::~wxGnomePrintDC()
 883 {
 884     if (m_job)
 885         g_object_unref (m_job);
 886 }
 887
 888 bool wxGnomePrintDC::IsOk() const
 889 {
 890     return true;
 891 }
 892
 893 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 894 {
 895     return false;
 896 }
 897
 898 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
 899 {
 900     return false;
 901 }
 902
 903 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 904 {
 905     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 906
 907     SetPen( m_pen );
 908
 909     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
 910     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
 911     gs_lgp->gnome_print_stroke ( m_gpc);
 912
 913     CalcBoundingBox( x1, y1 );
 914     CalcBoundingBox( x2, y2 );
 915 }
 916
 917 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
 918 {
 919 }
 920
 921 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
 922 {
 923     double dx = x1 - xc;
 924     double dy = y1 - yc;
 925     double radius = sqrt((double)(dx*dx+dy*dy));
 926     double alpha1, alpha2;
 927     if (x1 == x2 && y1 == y2)
 928     {
 929         alpha1 = 0.0;
 930         alpha2 = 360.0;
 931     }
 932     else
 933     if (radius == 0.0)
 934     {
 935         alpha1 = alpha2 = 0.0;
 936     }
 937     else
 938     {
 939         alpha1 = (x1 - xc == 0) ?
 940             (y1 - yc < 0) ? 90.0 : -90.0 :
 941             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 942         alpha2 = (x2 - xc == 0) ?
 943             (y2 - yc < 0) ? 90.0 : -90.0 :
 944             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 945
 946         while (alpha1 <= 0)   alpha1 += 360;
 947         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 948         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 949         while (alpha2 > 360)  alpha2 -= 360;
 950     }
 951
 952         if (m_brush.GetStyle() != wxTRANSPARENT)
 953         {
 954             SetBrush( m_brush );
 955             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 956             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 957
 958             gs_lgp->gnome_print_fill( m_gpc );
 959         }
 960
 961         if (m_pen.GetStyle() != wxTRANSPARENT)
 962         {
 963             SetPen (m_pen);
 964             gs_lgp->gnome_print_newpath( m_gpc );
 965             gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 966             gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 967             gs_lgp->gnome_print_closepath( m_gpc );
 968
 969             gs_lgp->gnome_print_stroke( m_gpc );
 970         }
 971
 972     CalcBoundingBox (x1, y1);
 973     CalcBoundingBox (x2, y2);
 974     CalcBoundingBox (xc, yc);
 975 }
 976
 977 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 978 {
 979     x += w/2;
 980     y += h/2;
 981
 982     int xx = XLOG2DEV(x);
 983     int yy = YLOG2DEV(y);
 984
 985     gs_lgp->gnome_print_gsave( m_gpc );
 986
 987     gs_lgp->gnome_print_translate( m_gpc, xx, yy );
 988     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
 989     gs_lgp->gnome_print_scale( m_gpc, 1.0, scale );
 990
 991     xx = 0;
 992     yy = 0;
 993
 994     if (m_brush.GetStyle () != wxTRANSPARENT)
 995     {
 996         SetBrush( m_brush );
 997
 998         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
 999         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1000             XLOG2DEVREL(w)/2, sa, ea, 0 );
1001         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
1002
1003         gs_lgp->gnome_print_fill( m_gpc );
1004     }
1005
1006     if (m_pen.GetStyle () != wxTRANSPARENT)
1007     {
1008         SetPen (m_pen);
1009
1010         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1011             XLOG2DEVREL(w)/2, sa, ea, 0 );
1012
1013         gs_lgp->gnome_print_stroke( m_gpc );
1014     }
1015
1016     gs_lgp->gnome_print_grestore( m_gpc );
1017
1018     CalcBoundingBox( x, y );
1019     CalcBoundingBox( x+w, y+h );
1020 }
1021
1022 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1023 {
1024 }
1025
1026 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1027 {
1028     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1029
1030     if (n <= 0) return;
1031
1032     SetPen (m_pen);
1033
1034     int i;
1035     for ( i =0; i<n ; i++ )
1036         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1037
1038     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1039
1040     for (i = 1; i < n; i++)
1041         gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1042
1043     gs_lgp->gnome_print_stroke ( m_gpc);
1044 }
1045
1046 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1047 {
1048     if (n==0) return;
1049
1050     if (m_brush.GetStyle () != wxTRANSPARENT)
1051     {
1052         SetBrush( m_brush );
1053
1054         int x = points[0].x + xoffset;
1055         int y = points[0].y + yoffset;
1056         CalcBoundingBox( x, y );
1057         gs_lgp->gnome_print_newpath( m_gpc );
1058         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1059         int i;
1060         for (i = 1; i < n; i++)
1061         {
1062             int x = points[i].x + xoffset;
1063             int y = points[i].y + yoffset;
1064             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1065             CalcBoundingBox( x, y );
1066         }
1067         gs_lgp->gnome_print_closepath( m_gpc );
1068         gs_lgp->gnome_print_fill( m_gpc );
1069     }
1070
1071     if (m_pen.GetStyle () != wxTRANSPARENT)
1072     {
1073         SetPen (m_pen);
1074
1075         int x = points[0].x + xoffset;
1076         int y = points[0].y + yoffset;
1077         gs_lgp->gnome_print_newpath( m_gpc );
1078         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1079         int i;
1080         for (i = 1; i < n; i++)
1081         {
1082             int x = points[i].x + xoffset;
1083             int y = points[i].y + yoffset;
1084             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1085             CalcBoundingBox( x, y );
1086         }
1087         gs_lgp->gnome_print_closepath( m_gpc );
1088         gs_lgp->gnome_print_stroke( m_gpc );
1089     }
1090 }
1091
1092 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1093 {
1094     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1095 }
1096
1097 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1098 {
1099     if (m_brush.GetStyle () != wxTRANSPARENT)
1100     {
1101         SetBrush( m_brush );
1102
1103         gs_lgp->gnome_print_newpath( m_gpc );
1104         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1105         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1106         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1107         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1108         gs_lgp->gnome_print_closepath( m_gpc );
1109         gs_lgp->gnome_print_fill( m_gpc );
1110
1111         CalcBoundingBox( x, y );
1112         CalcBoundingBox( x + width, y + height );
1113     }
1114
1115     if (m_pen.GetStyle () != wxTRANSPARENT)
1116     {
1117         SetPen (m_pen);
1118
1119         gs_lgp->gnome_print_newpath( m_gpc );
1120         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1121         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1122         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1123         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1124         gs_lgp->gnome_print_closepath( m_gpc );
1125         gs_lgp->gnome_print_stroke( m_gpc );
1126
1127         CalcBoundingBox( x, y );
1128         CalcBoundingBox( x + width, y + height );
1129     }
1130 }
1131
1132 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1133 {
1134     wxCoord rad = (wxCoord) radius;
1135
1136     if (m_brush.GetStyle() != wxTRANSPARENT)
1137     {
1138         SetBrush(m_brush);
1139         gs_lgp->gnome_print_newpath(m_gpc);
1140         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1141         gs_lgp->gnome_print_curveto(m_gpc,
1142                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1143                                     XLOG2DEV(x),YLOG2DEV(y),
1144                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1145         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1146         gs_lgp->gnome_print_curveto(m_gpc,
1147                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1148                                     XLOG2DEV(x),YLOG2DEV(y + height),
1149                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1150         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1151         gs_lgp->gnome_print_curveto(m_gpc,
1152                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1153                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1154                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1155         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1156         gs_lgp->gnome_print_curveto(m_gpc,
1157                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1158                                     XLOG2DEV(x + width),YLOG2DEV(y),
1159                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1160         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1161         gs_lgp->gnome_print_closepath(m_gpc);
1162         gs_lgp->gnome_print_fill(m_gpc);
1163
1164         CalcBoundingBox(x,y);
1165         CalcBoundingBox(x+width,y+height);
1166     }
1167
1168     if (m_pen.GetStyle() != wxTRANSPARENT)
1169     {
1170         SetPen(m_pen);
1171         gs_lgp->gnome_print_newpath(m_gpc);
1172         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1173         gs_lgp->gnome_print_curveto(m_gpc,
1174                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1175                                     XLOG2DEV(x),YLOG2DEV(y),
1176                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1177         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1178         gs_lgp->gnome_print_curveto(m_gpc,
1179                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1180                                     XLOG2DEV(x),YLOG2DEV(y + height),
1181                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1182         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1183         gs_lgp->gnome_print_curveto(m_gpc,
1184                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1185                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1186                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1187         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1188         gs_lgp->gnome_print_curveto(m_gpc,
1189                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1190                                     XLOG2DEV(x + width),YLOG2DEV(y),
1191                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1192         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1193         gs_lgp->gnome_print_closepath(m_gpc);
1194         gs_lgp->gnome_print_stroke(m_gpc);
1195
1196         CalcBoundingBox(x,y);
1197         CalcBoundingBox(x+width,y+height);
1198     }
1199 }
1200
1201 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1202                                         wxCoord width, wxCoord height)
1203 {
1204     double r = 4 * (sqrt (2) - 1) / 3;
1205     double  halfW = 0.5 * width,
1206             halfH = 0.5 * height,
1207             halfWR = r * halfW,
1208             halfHR = r * halfH;
1209     wxCoord halfWI = (wxCoord) halfW,
1210             halfHI = (wxCoord) halfH;
1211
1212     gs_lgp->gnome_print_newpath( m_gpc );
1213
1214     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1215     gs_lgp->gnome_print_moveto( m_gpc,
1216                 XLOG2DEV(x + width),
1217                 YLOG2DEV(y + halfHI) );
1218     gs_lgp->gnome_print_curveto( m_gpc,
1219                 XLOG2DEV(x + width),
1220                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1221                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1222                 YLOG2DEV(y + height),
1223                 XLOG2DEV(x + halfWI),
1224                 YLOG2DEV(y + height) );
1225     gs_lgp->gnome_print_curveto( m_gpc,
1226                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1227                 YLOG2DEV(y + height),
1228                 XLOG2DEV(x),
1229                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1230                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1231     gs_lgp->gnome_print_curveto( m_gpc,
1232                 XLOG2DEV(x),
1233                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1234                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1235                 YLOG2DEV(y),
1236                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1237     gs_lgp->gnome_print_curveto( m_gpc,
1238                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1239                 YLOG2DEV(y),
1240                 XLOG2DEV(x + width),
1241                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1242                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1243
1244     gs_lgp->gnome_print_closepath(m_gpc);
1245 }
1246
1247 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1248 {
1249     if (m_brush.GetStyle () != wxTRANSPARENT)
1250     {
1251         SetBrush( m_brush );
1252         makeEllipticalPath( x, y, width, height );
1253         gs_lgp->gnome_print_fill( m_gpc );
1254         CalcBoundingBox( x, y );
1255         CalcBoundingBox( x + width, y + height );
1256     }
1257
1258     if (m_pen.GetStyle () != wxTRANSPARENT)
1259     {
1260         SetPen (m_pen);
1261         makeEllipticalPath( x, y, width, height );
1262         gs_lgp->gnome_print_stroke( m_gpc );
1263         CalcBoundingBox( x, y );
1264         CalcBoundingBox( x + width, y + height );
1265     }
1266 }
1267
1268 #if wxUSE_SPLINES
1269 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1270 {
1271     SetPen (m_pen);
1272
1273     double c, d, x1, y1, x2, y2, x3, y3;
1274     wxPoint *p, *q;
1275
1276     wxList::compatibility_iterator node = points->GetFirst();
1277     p = (wxPoint *)node->GetData();
1278     x1 = p->x;
1279     y1 = p->y;
1280
1281     node = node->GetNext();
1282     p = (wxPoint *)node->GetData();
1283     c = p->x;
1284     d = p->y;
1285     x3 =
1286          (double)(x1 + c) / 2;
1287     y3 =
1288          (double)(y1 + d) / 2;
1289
1290     gs_lgp->gnome_print_newpath( m_gpc );
1291     gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1292     gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1293
1294     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1295     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1296
1297     node = node->GetNext();
1298     while (node)
1299     {
1300         q = (wxPoint *)node->GetData();
1301
1302         x1 = x3;
1303         y1 = y3;
1304         x2 = c;
1305         y2 = d;
1306         c = q->x;
1307         d = q->y;
1308         x3 = (double)(x2 + c) / 2;
1309         y3 = (double)(y2 + d) / 2;
1310
1311         gs_lgp->gnome_print_curveto(m_gpc,
1312             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1313             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1314             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1315
1316         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1317         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1318
1319         node = node->GetNext();
1320     }
1321
1322     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1323
1324     gs_lgp->gnome_print_stroke( m_gpc );
1325 }
1326 #endif // wxUSE_SPLINES
1327
1328 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1329             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1330             wxCoord xsrcMask, wxCoord ysrcMask)
1331 {
1332     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1333
1334     // blit into a bitmap
1335     wxBitmap bitmap( width, height );
1336     wxMemoryDC memDC;
1337     memDC.SelectObject(bitmap);
1338     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1339     memDC.SelectObject(wxNullBitmap);
1340
1341     // draw bitmap. scaling and positioning is done there
1342     DrawBitmap( bitmap, xdest, ydest );
1343
1344     return true;
1345 }
1346
1347 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1348 {
1349     DoDrawBitmap( icon, x, y, true );
1350 }
1351
1352 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1353 {
1354     if (!bitmap.Ok()) return;
1355
1356     if (bitmap.HasPixbuf())
1357     {
1358         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1359         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1360         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1361         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1362         int height = gdk_pixbuf_get_height( pixbuf );
1363         int width = gdk_pixbuf_get_width( pixbuf );
1364
1365         gs_lgp->gnome_print_gsave( m_gpc );
1366         double matrix[6];
1367         matrix[0] = XLOG2DEVREL(width);
1368         matrix[1] = 0;
1369         matrix[2] = 0;
1370         matrix[3] = YLOG2DEVREL(height);
1371         matrix[4] = XLOG2DEV(x);
1372         matrix[5] = YLOG2DEV(y+height);
1373         gs_lgp->gnome_print_concat( m_gpc, matrix );
1374         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1375         if (has_alpha)
1376             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1377         else
1378             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1379         gs_lgp->gnome_print_grestore( m_gpc );
1380     }
1381     else
1382     {
1383         wxImage image = bitmap.ConvertToImage();
1384
1385         if (!image.Ok()) return;
1386
1387         gs_lgp->gnome_print_gsave( m_gpc );
1388         double matrix[6];
1389         matrix[0] = XLOG2DEVREL(image.GetWidth());
1390         matrix[1] = 0;
1391         matrix[2] = 0;
1392         matrix[3] = YLOG2DEVREL(image.GetHeight());
1393         matrix[4] = XLOG2DEV(x);
1394         matrix[5] = YLOG2DEV(y+image.GetHeight());
1395         gs_lgp->gnome_print_concat( m_gpc, matrix );
1396         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1397         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1398         gs_lgp->gnome_print_grestore( m_gpc );
1399     }
1400 }
1401
1402 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1403 {
1404     DoDrawRotatedText( text, x, y, 0.0 );
1405 }
1406
1407 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1408 {
1409     x = XLOG2DEV(x);
1410     y = YLOG2DEV(y);
1411
1412     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1413
1414 #if wxUSE_UNICODE
1415     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1416 #else
1417     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1418     if ( !wdata )
1419         return;
1420     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1421 #endif
1422
1423     size_t datalen = strlen((const char*)data);
1424     pango_layout_set_text( m_layout, (const char*) data, datalen);
1425
1426     if (underlined)
1427     {
1428         PangoAttrList *attrs = pango_attr_list_new();
1429         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1430         a->start_index = 0;
1431         a->end_index = datalen;
1432         pango_attr_list_insert(attrs, a);
1433         pango_layout_set_attributes(m_layout, attrs);
1434         pango_attr_list_unref(attrs);
1435     }
1436
1437     if (m_textForegroundColour.Ok())
1438     {
1439         unsigned char red = m_textForegroundColour.Red();
1440         unsigned char blue = m_textForegroundColour.Blue();
1441         unsigned char green = m_textForegroundColour.Green();
1442
1443         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1444         {
1445             double redPS = (double)(red) / 255.0;
1446             double bluePS = (double)(blue) / 255.0;
1447             double greenPS = (double)(green) / 255.0;
1448
1449             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1450
1451             m_currentRed = red;
1452             m_currentBlue = blue;
1453             m_currentGreen = green;
1454         }
1455     }
1456
1457     int w,h;
1458
1459     if (fabs(m_scaleY - 1.0) > 0.00001)
1460     {
1461         // If there is a user or actually any scale applied to
1462         // the device context, scale the font.
1463
1464         // scale font description
1465         gint oldSize = pango_font_description_get_size( m_fontdesc );
1466         double size = oldSize;
1467         size = size * m_scaleY;
1468         pango_font_description_set_size( m_fontdesc, (gint)size );
1469
1470         // actually apply scaled font
1471         pango_layout_set_font_description( m_layout, m_fontdesc );
1472
1473         pango_layout_get_pixel_size( m_layout, &w, &h );
1474 #if 0
1475         if ( m_backgroundMode == wxSOLID )
1476         {
1477             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1478             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1479             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1480         }
1481 #endif
1482         // Draw layout.
1483         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1484         if (fabs(angle) > 0.00001)
1485         {
1486             gs_lgp->gnome_print_gsave( m_gpc );
1487             gs_lgp->gnome_print_rotate( m_gpc, angle );
1488             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1489             gs_lgp->gnome_print_grestore( m_gpc );
1490         }
1491         else
1492         {
1493             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1494         }
1495
1496         // reset unscaled size
1497         pango_font_description_set_size( m_fontdesc, oldSize );
1498
1499         // actually apply unscaled font
1500         pango_layout_set_font_description( m_layout, m_fontdesc );
1501     }
1502     else
1503     {
1504         pango_layout_get_pixel_size( m_layout, &w, &h );
1505 #if 0
1506         if ( m_backgroundMode == wxSOLID )
1507         {
1508             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1509             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1510             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1511         }
1512 #endif
1513         // Draw layout.
1514         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1515         if (fabs(angle) > 0.00001)
1516         {
1517             gs_lgp->gnome_print_gsave( m_gpc );
1518             gs_lgp->gnome_print_rotate( m_gpc, angle );
1519             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1520             gs_lgp->gnome_print_grestore( m_gpc );
1521         }
1522         else
1523         {
1524             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1525         }
1526     }
1527
1528     if (underlined)
1529     {
1530         // undo underline attributes setting:
1531         pango_layout_set_attributes(m_layout, NULL);
1532     }
1533
1534     CalcBoundingBox (x + w, y + h);
1535 }
1536
1537 void wxGnomePrintDC::Clear()
1538 {
1539 }
1540
1541 void wxGnomePrintDC::SetFont( const wxFont& font )
1542 {
1543     m_font = font;
1544
1545     if (m_font.Ok())
1546     {
1547         if (m_fontdesc)
1548             pango_font_description_free( m_fontdesc );
1549
1550         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1551
1552         pango_layout_set_font_description( m_layout, m_fontdesc );
1553     }
1554 }
1555
1556 void wxGnomePrintDC::SetPen( const wxPen& pen )
1557 {
1558     if (!pen.Ok()) return;
1559
1560     m_pen = pen;
1561
1562     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1563
1564     static const double dotted[] =  {2.0, 5.0};
1565     static const double short_dashed[] = {4.0, 4.0};
1566     static const double wxCoord_dashed[] = {4.0, 8.0};
1567     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1568
1569     switch (m_pen.GetStyle())
1570     {
1571         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1572         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1573         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1574         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1575         case wxUSER_DASH:
1576         {
1577             // It may be noted that libgnomeprint between at least
1578             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1579             // and then leak the memory since it doesn't set the
1580             // internal flag "privatedash" to 0.
1581             wxDash *wx_dashes;
1582             int num = m_pen.GetDashes (&wx_dashes);
1583             gdouble *g_dashes = g_new( gdouble, num );
1584             int i;
1585             for (i = 0; i < num; ++i)
1586                 g_dashes[i] = (gdouble) wx_dashes[i];
1587             gs_lgp -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1588             g_free( g_dashes );
1589         }
1590         break;
1591         case wxSOLID:
1592         case wxTRANSPARENT:
1593         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1594     }
1595
1596
1597     unsigned char red = m_pen.GetColour().Red();
1598     unsigned char blue = m_pen.GetColour().Blue();
1599     unsigned char green = m_pen.GetColour().Green();
1600
1601     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1602     {
1603         double redPS = (double)(red) / 255.0;
1604         double bluePS = (double)(blue) / 255.0;
1605         double greenPS = (double)(green) / 255.0;
1606
1607         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1608
1609         m_currentRed = red;
1610         m_currentBlue = blue;
1611         m_currentGreen = green;
1612     }
1613 }
1614
1615 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1616 {
1617     if (!brush.Ok()) return;
1618
1619     m_brush = brush;
1620
1621     // Brush colour
1622     unsigned char red = m_brush.GetColour().Red();
1623     unsigned char blue = m_brush.GetColour().Blue();
1624     unsigned char green = m_brush.GetColour().Green();
1625
1626     if (!m_colour)
1627     {
1628         // Anything not white is black
1629         if (! (red == (unsigned char) 255 &&
1630                blue == (unsigned char) 255 &&
1631                green == (unsigned char) 255) )
1632         {
1633             red = (unsigned char) 0;
1634             green = (unsigned char) 0;
1635             blue = (unsigned char) 0;
1636         }
1637         // setgray here ?
1638     }
1639
1640     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1641     {
1642         double redPS = (double)(red) / 255.0;
1643         double bluePS = (double)(blue) / 255.0;
1644         double greenPS = (double)(green) / 255.0;
1645
1646         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1647
1648         m_currentRed = red;
1649         m_currentBlue = blue;
1650         m_currentGreen = green;
1651     }
1652 }
1653
1654 void wxGnomePrintDC::SetLogicalFunction( int function )
1655 {
1656 }
1657
1658 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1659 {
1660 }
1661
1662 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1663 {
1664 }
1665
1666 void wxGnomePrintDC::DestroyClippingRegion()
1667 {
1668 }
1669
1670 bool wxGnomePrintDC::StartDoc(const wxString& message)
1671 {
1672     SetDeviceOrigin( 0,0 );
1673
1674     return true;
1675 }
1676
1677 void wxGnomePrintDC::EndDoc()
1678 {
1679     gs_lgp->gnome_print_end_doc( m_gpc );
1680 }
1681
1682 void wxGnomePrintDC::StartPage()
1683 {
1684     gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1685 }
1686
1687 void wxGnomePrintDC::EndPage()
1688 {
1689     gs_lgp->gnome_print_showpage( m_gpc );
1690 }
1691
1692 wxCoord wxGnomePrintDC::GetCharHeight() const
1693 {
1694     pango_layout_set_text( m_layout, "H", 1 );
1695
1696     int w,h;
1697     pango_layout_get_pixel_size( m_layout, &w, &h );
1698
1699     return h;
1700 }
1701
1702 wxCoord wxGnomePrintDC::GetCharWidth() const
1703 {
1704     pango_layout_set_text( m_layout, "H", 1 );
1705
1706     int w,h;
1707     pango_layout_get_pixel_size( m_layout, &w, &h );
1708
1709     return w;
1710 }
1711
1712 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1713                      wxCoord *descent,
1714                      wxCoord *externalLeading,
1715                      wxFont *theFont ) const
1716 {
1717     if ( width )
1718         *width = 0;
1719     if ( height )
1720         *height = 0;
1721     if ( descent )
1722         *descent = 0;
1723     if ( externalLeading )
1724         *externalLeading = 0;
1725
1726     if (string.empty())
1727     {
1728         return;
1729     }
1730
1731     // Set new font description
1732     if (theFont)
1733         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1734
1735     // Set layout's text
1736 #if wxUSE_UNICODE
1737     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1738     const char *dataUTF8 = (const char *)data;
1739 #else
1740     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1741     if ( !wdata )
1742     {
1743         if (width) (*width) = 0;
1744         if (height) (*height) = 0;
1745         return;
1746     }
1747     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1748     const char *dataUTF8 = (const char *)data;
1749 #endif
1750
1751     if ( !dataUTF8 )
1752     {
1753         // hardly ideal, but what else can we do if conversion failed?
1754         return;
1755     }
1756
1757     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1758
1759     int w,h;
1760     pango_layout_get_pixel_size( m_layout, &w, &h );
1761
1762     if (width)
1763         *width = (wxCoord)(w / m_scaleX);
1764     if (height)
1765         *height = (wxCoord)(h / m_scaleY);
1766     if (descent)
1767     {
1768         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1769         int baseline = pango_layout_iter_get_baseline(iter);
1770         pango_layout_iter_free(iter);
1771         *descent = h - PANGO_PIXELS(baseline);
1772     }
1773
1774     // Reset old font description
1775     if (theFont)
1776         pango_layout_set_font_description( m_layout, m_fontdesc );
1777 }
1778
1779 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1780 {
1781     wxGnomePrintNativeData *native =
1782       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1783
1784     // Query page size. This seems to omit the margins
1785     // right now, although it shouldn't
1786     double pw,ph;
1787     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1788
1789     if (width)
1790         *width = (int) (pw + 0.5);
1791     if (height)
1792         *height = (int) (ph + 0.5);
1793 }
1794
1795 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1796 {
1797     wxGnomePrintNativeData *native =
1798       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1799
1800     // This code assumes values in Pts.
1801
1802     double pw,ph;
1803     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1804
1805     // Convert to mm.
1806
1807     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1808     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1809     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1810     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1811
1812     if (width)
1813         *width = (int) (pw + 0.5);
1814     if (height)
1815         *height = (int) (ph + 0.5);
1816 }
1817
1818 wxSize wxGnomePrintDC::GetPPI() const
1819 {
1820     return wxSize(72,72);
1821 }
1822
1823 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1824 {
1825     m_signX = (xLeftRight ? 1 : -1);
1826     m_signY = (yBottomUp  ? 1 : -1);
1827
1828     ComputeScaleAndOrigin();
1829 }
1830
1831 void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1832 {
1833     int h = 0;
1834     int w = 0;
1835     GetSize( &w, &h );
1836
1837     wxDC::SetDeviceOrigin( x, h-y );
1838 }
1839
1840 void wxGnomePrintDC::SetResolution(int ppi)
1841 {
1842 }
1843
1844 int wxGnomePrintDC::GetResolution()
1845 {
1846     return 72;
1847 }
1848
1849
1850 class wxGnomePrintModule: public wxModule
1851 {
1852 public:
1853     wxGnomePrintModule() {}
1854     bool OnInit();
1855     void OnExit();
1856
1857 private:
1858     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1859 };
1860
1861 bool wxGnomePrintModule::OnInit()
1862 {
1863     gs_lgp = new wxGnomePrintLibrary;
1864     if (gs_lgp->IsOk())
1865         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1866     return true;
1867 }
1868
1869 void wxGnomePrintModule::OnExit()
1870 {
1871     delete gs_lgp;
1872 }
1873
1874 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1875
1876 // ----------------------------------------------------------------------------
1877 // Print preview
1878 // ----------------------------------------------------------------------------
1879
1880 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
1881
1882 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
1883                                     wxPrintout * WXUNUSED(printoutForPrinting))
1884 {
1885     DetermineScaling();
1886 }
1887
1888 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1889                                                    wxPrintout *printoutForPrinting,
1890                                                    wxPrintDialogData *data)
1891                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1892 {
1893     Init(printout, printoutForPrinting);
1894 }
1895
1896 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1897                                                    wxPrintout *printoutForPrinting,
1898                                                    wxPrintData *data)
1899                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1900 {
1901     Init(printout, printoutForPrinting);
1902 }
1903
1904 wxGnomePrintPreview::~wxGnomePrintPreview()
1905 {
1906 }
1907
1908 bool wxGnomePrintPreview::Print(bool interactive)
1909 {
1910     if (!m_printPrintout)
1911         return false;
1912
1913     wxPrinter printer(& m_printDialogData);
1914     return printer.Print(m_previewFrame, m_printPrintout, interactive);
1915 }
1916
1917 void wxGnomePrintPreview::DetermineScaling()
1918 {
1919     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
1920     if (paperType == wxPAPER_NONE)
1921         paperType = wxPAPER_NONE;
1922
1923     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
1924     if (!paper)
1925         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1926
1927     if (paper)
1928     {
1929         wxSize ScreenPixels = wxGetDisplaySize();
1930         wxSize ScreenMM = wxGetDisplaySizeMM();
1931
1932         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
1933                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
1934         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
1935
1936         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
1937
1938         // TODO: get better resolution information from wxGnomePrintDC, if possible.
1939
1940         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
1941         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
1942         wxSize sizeTenthsMM(paper->GetSize());
1943         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
1944
1945         // If in landscape mode, we need to swap the width and height.
1946         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
1947         {
1948             m_pageWidth = sizeDevUnits.y;
1949             m_pageHeight = sizeDevUnits.x;
1950             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
1951         }
1952         else
1953         {
1954             m_pageWidth = sizeDevUnits.x;
1955             m_pageHeight = sizeDevUnits.y;
1956             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
1957         }
1958         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1959         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
1960
1961         // At 100%, the page should look about page-size on the screen.
1962         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
1963         m_previewScaleY = m_previewScaleX;
1964     }
1965 }
1966
1967 #endif
1968     // wxUSE_LIBGNOMEPRINT