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     DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
 176 };
 177
 178 wxGnomePrintLibrary::wxGnomePrintLibrary()
 179 {
 180     m_gnome_print_lib = NULL;
 181     m_gnome_printui_lib = NULL;
 182
 183     wxLogNull log;
 184
 185     m_gnome_print_lib = new wxDynamicLibrary( wxT("libgnomeprint-2-2.so.0") );
 186     m_ok = m_gnome_print_lib->IsLoaded();
 187     if (!m_ok) return;
 188
 189     m_gnome_printui_lib = new wxDynamicLibrary( wxT("libgnomeprintui-2-2.so.0") );
 190     m_ok = m_gnome_printui_lib->IsLoaded();
 191     if (!m_ok) return;
 192
 193     InitializeMethods();
 194 }
 195
 196 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 197 {
 198     if (m_gnome_print_lib)
 199         delete m_gnome_print_lib;
 200     if (m_gnome_printui_lib)
 201         delete m_gnome_printui_lib;
 202 }
 203
 204 bool wxGnomePrintLibrary::IsOk()
 205 {
 206     return m_ok;
 207 }
 208
 209 void wxGnomePrintLibrary::InitializeMethods()
 210 {
 211     m_ok = false;
 212     bool success;
 213
 214     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_newpath, success )
 215     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_moveto, success )
 216     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_lineto, success )
 217     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_curveto, success )
 218     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_arcto, success )
 219     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_closepath, success )
 220     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_stroke, success )
 221     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_fill, success )
 222     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setrgbcolor, success )
 223     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setlinewidth, success )
 224     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setdash, success )
 225
 226     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbimage, success )
 227     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbaimage, success )
 228
 229     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_concat, success )
 230     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_scale, success )
 231     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rotate, success )
 232     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_translate, success )
 233
 234     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_gsave, success )
 235     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_grestore, success )
 236
 237     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_beginpage, success )
 238     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_showpage, success )
 239     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_end_doc, success )
 240
 241     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_create_layout, success )
 242     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_layout, success )
 243
 244     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_new, success )
 245     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_context, success )
 246     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_close, success )
 247     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_print, success )
 248     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_page_size, success )
 249
 250     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_unit_get_by_abbreviation, success )
 251     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_convert_distance, success )
 252
 253     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_default, success )
 254     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_set, success )
 255     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_get_length, success )
 256
 257     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_new, success )
 258     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_construct_range_page, success )
 259     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_copies, success )
 260     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_set_copies, success )
 261     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range, success )
 262     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range_page, success )
 263
 264     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_paper_selector_new_with_flags, success )
 265
 266     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_job_preview_new, success )
 267
 268     m_ok = true;
 269 }
 270
 271 static wxGnomePrintLibrary* gs_lgp = NULL;
 272
 273 //----------------------------------------------------------------------------
 274 // wxGnomePrintNativeData
 275 //----------------------------------------------------------------------------
 276
 277 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 278
 279 wxGnomePrintNativeData::wxGnomePrintNativeData()
 280 {
 281     m_config = gs_lgp->gnome_print_config_default();
 282     m_job = gs_lgp->gnome_print_job_new( m_config );
 283 }
 284
 285 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 286 {
 287     g_object_unref (m_config);
 288 }
 289
 290 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 291 {
 292     // TODO
 293     return true;
 294 }
 295
 296 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 297 {
 298     // TODO
 299     return true;
 300 }
 301
 302 //----------------------------------------------------------------------------
 303 // wxGnomePrintFactory
 304 //----------------------------------------------------------------------------
 305
 306 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 307 {
 308     return new wxGnomePrinter( data );
 309 }
 310
 311 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 312                                                     wxPrintout *printout,
 313                                                     wxPrintDialogData *data )
 314 {
 315     return new wxGnomePrintPreview( preview, printout, data );
 316 }
 317
 318 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 319                                                     wxPrintout *printout,
 320                                                     wxPrintData *data )
 321 {
 322     return new wxGnomePrintPreview( preview, printout, data );
 323 }
 324
 325 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 326                                                   wxPrintDialogData *data )
 327 {
 328     return new wxGnomePrintDialog( parent, data );
 329 }
 330
 331 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 332                                                   wxPrintData *data )
 333 {
 334     return new wxGnomePrintDialog( parent, data );
 335 }
 336
 337 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 338                                                           wxPageSetupDialogData * data )
 339 {
 340 //  The native page setup dialog is broken. It
 341 //  miscalculates newly entered values for the
 342 //  margins if you have not chose "points" but
 343 //  e.g. centimerters.
 344 //  This has been fixed in GNOME CVS (maybe
 345 //  fixed in libgnomeprintui 2.8.1)
 346
 347     return new wxGnomePageSetupDialog( parent, data );
 348 }
 349
 350 bool wxGnomePrintFactory::HasPrintSetupDialog()
 351 {
 352     return false;
 353 }
 354
 355 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 356 {
 357     return NULL;
 358 }
 359
 360 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 361 {
 362     return new wxGnomePrintDC(data);
 363 }
 364
 365 bool wxGnomePrintFactory::HasOwnPrintToFile()
 366 {
 367     return true;
 368 }
 369
 370 bool wxGnomePrintFactory::HasPrinterLine()
 371 {
 372     return true;
 373 }
 374
 375 wxString wxGnomePrintFactory::CreatePrinterLine()
 376 {
 377     // redundant now
 378     return wxEmptyString;
 379 }
 380
 381 bool wxGnomePrintFactory::HasStatusLine()
 382 {
 383     // redundant now
 384     return true;
 385 }
 386
 387 wxString wxGnomePrintFactory::CreateStatusLine()
 388 {
 389     // redundant now
 390     return wxEmptyString;
 391 }
 392
 393 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 394 {
 395     return new wxGnomePrintNativeData;
 396 }
 397
 398 //----------------------------------------------------------------------------
 399 // wxGnomePrintSetupDialog
 400 //----------------------------------------------------------------------------
 401
 402 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 403
 404 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 405                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 406                                wxPoint(0, 0), wxSize(600, 600),
 407                                wxDEFAULT_DIALOG_STYLE |
 408                                wxTAB_TRAVERSAL)
 409 {
 410     if (data)
 411         m_printDialogData = *data;
 412
 413     Init();
 414 }
 415
 416 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 417                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 418                                wxPoint(0, 0), wxSize(600, 600),
 419                                wxDEFAULT_DIALOG_STYLE |
 420                                wxTAB_TRAVERSAL)
 421 {
 422     if (data)
 423         m_printDialogData = *data;
 424
 425     Init();
 426 }
 427
 428 void wxGnomePrintDialog::Init()
 429 {
 430     wxPrintData data = m_printDialogData.GetPrintData();
 431
 432     wxGnomePrintNativeData *native =
 433       (wxGnomePrintNativeData*) data.GetNativeData();
 434
 435     m_widget = gs_lgp->gnome_print_dialog_new( native->GetPrintJob(),
 436                                        (guchar*)"Print",
 437                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 438
 439     int flag = 0;
 440     if (m_printDialogData.GetEnableSelection())
 441         flag |= GNOME_PRINT_RANGE_SELECTION;
 442     if (m_printDialogData.GetEnablePageNumbers())
 443         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 444
 445     gs_lgp->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 446                                              flag,
 447                                              m_printDialogData.GetMinPage(),
 448                                              m_printDialogData.GetMaxPage(),
 449                                              NULL,
 450                                              NULL );
 451 }
 452
 453 wxGnomePrintDialog::~wxGnomePrintDialog()
 454 {
 455     m_widget = NULL;
 456 }
 457
 458 int wxGnomePrintDialog::ShowModal()
 459 {
 460     // Transfer data from m_printDalogData to dialog here
 461
 462     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 463
 464     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 465     {
 466         gtk_widget_destroy(m_widget);
 467         m_widget = NULL;
 468
 469         return wxID_CANCEL;
 470     }
 471
 472     gint copies = 1;
 473     gboolean collate = false;
 474     gs_lgp->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 475     m_printDialogData.SetNoCopies( copies );
 476     m_printDialogData.SetCollate( collate );
 477
 478     switch (gs_lgp->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 479     {
 480         case GNOME_PRINT_RANGE_SELECTION:
 481             m_printDialogData.SetSelection( true );
 482             break;
 483         case GNOME_PRINT_RANGE_ALL:
 484             m_printDialogData.SetAllPages( true );
 485             m_printDialogData.SetFromPage( 0 );
 486             m_printDialogData.SetToPage( 9999 );
 487             break;
 488         case GNOME_PRINT_RANGE_RANGE:
 489         default:
 490             gint start,end;
 491             gs_lgp->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 492             m_printDialogData.SetFromPage( start );
 493             m_printDialogData.SetToPage( end );
 494             break;
 495     }
 496
 497     gtk_widget_destroy(m_widget);
 498     m_widget = NULL;
 499
 500     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 501         return wxID_PREVIEW;
 502
 503     return wxID_OK;
 504 }
 505
 506 wxDC *wxGnomePrintDialog::GetPrintDC()
 507 {
 508     // Later
 509     return NULL;
 510 }
 511
 512 bool wxGnomePrintDialog::Validate()
 513 {
 514     return true;
 515 }
 516
 517 bool wxGnomePrintDialog::TransferDataToWindow()
 518 {
 519     return true;
 520 }
 521
 522 bool wxGnomePrintDialog::TransferDataFromWindow()
 523 {
 524     return true;
 525 }
 526
 527 //----------------------------------------------------------------------------
 528 // wxGnomePageSetupDialog
 529 //----------------------------------------------------------------------------
 530
 531 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 532
 533 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 534                             wxPageSetupDialogData* data )
 535 {
 536     if (data)
 537         m_pageDialogData = *data;
 538
 539     wxGnomePrintNativeData *native =
 540       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 541
 542     // This is required as the page setup dialog
 543     // calculates wrong values otherwise.
 544     gs_lgp->gnome_print_config_set( native->GetPrintConfig(),
 545                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 546                             (const guchar*) "Pts" );
 547
 548     m_widget = gtk_dialog_new();
 549
 550     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 551
 552     GtkWidget *main = gs_lgp->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 553         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 554     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 555     gtk_widget_show (main);
 556
 557     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 558
 559     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 560
 561     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 562                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 563                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 564                             NULL);
 565
 566     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 567                             GTK_RESPONSE_OK);
 568 }
 569
 570 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 571 {
 572 }
 573
 574 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 575 {
 576     return m_pageDialogData;
 577 }
 578
 579 int wxGnomePageSetupDialog::ShowModal()
 580 {
 581     wxGnomePrintNativeData *native =
 582       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 583     GnomePrintConfig *config = native->GetPrintConfig();
 584
 585     // Transfer data from m_pageDialogData to native dialog
 586
 587     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 588
 589     if (ret == GTK_RESPONSE_OK)
 590     {
 591         // Transfer data back to m_pageDialogData
 592
 593         // I don't know how querying the last parameter works
 594         // I cannot test it as the dialog is currently broken
 595         // anyways (it only works for points).
 596         double ml,mr,mt,mb,pw,ph;
 597         gs_lgp->gnome_print_config_get_length (config,
 598             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 599         gs_lgp->gnome_print_config_get_length (config,
 600             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 601         gs_lgp->gnome_print_config_get_length (config,
 602             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 603         gs_lgp->gnome_print_config_get_length (config,
 604             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 605         gs_lgp->gnome_print_config_get_length (config,
 606             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 607         gs_lgp->gnome_print_config_get_length (config,
 608             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 609
 610         // This probably assumes that the user entered the
 611         // values in Pts. Since that is the only the dialog
 612         // works right now, we need to fix this later.
 613         const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 614         const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 615         gs_lgp->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 616         gs_lgp->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 617         gs_lgp->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 618         gs_lgp->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 619         gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 620         gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 621
 622         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 623         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 624
 625         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 626
 627 #if 0
 628         wxPrintf( wxT("paper %d %d, top margin %d\n"),
 629             m_pageDialogData.GetPaperSize().x,
 630             m_pageDialogData.GetPaperSize().y,
 631             m_pageDialogData.GetMarginTopLeft().x );
 632 #endif
 633
 634         ret = wxID_OK;
 635     }
 636     else
 637     {
 638         ret = wxID_CANCEL;
 639     }
 640
 641     gtk_widget_destroy( m_widget );
 642     m_widget = NULL;
 643
 644     return ret;
 645 }
 646
 647 bool wxGnomePageSetupDialog::Validate()
 648 {
 649     return true;
 650 }
 651
 652 bool wxGnomePageSetupDialog::TransferDataToWindow()
 653 {
 654     return true;
 655 }
 656
 657 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 658 {
 659     return true;
 660 }
 661
 662 //----------------------------------------------------------------------------
 663 // wxGnomePrinter
 664 //----------------------------------------------------------------------------
 665
 666 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 667
 668 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 669     wxPrinterBase( data )
 670 {
 671     m_gpc = NULL;
 672     m_native_preview = false;
 673 }
 674
 675 wxGnomePrinter::~wxGnomePrinter()
 676 {
 677 }
 678
 679 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 680 {
 681     if (!printout)
 682     {
 683         sm_lastError = wxPRINTER_ERROR;
 684         return false;
 685     }
 686
 687     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 688     wxGnomePrintNativeData *native =
 689         (wxGnomePrintNativeData*) printdata.GetNativeData();
 690
 691     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 692     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 693
 694     // The GnomePrintJob is temporarily stored in the
 695     // native print data as the native print dialog
 696     // needs to access it.
 697     native->SetPrintJob( job );
 698
 699
 700     printout->SetIsPreview(false);
 701
 702     if (m_printDialogData.GetMinPage() < 1)
 703         m_printDialogData.SetMinPage(1);
 704     if (m_printDialogData.GetMaxPage() < 1)
 705         m_printDialogData.SetMaxPage(9999);
 706
 707     wxDC *dc;
 708     if (prompt)
 709         dc = PrintDialog( parent );
 710     else
 711         dc = new wxGnomePrintDC( this );
 712
 713     if (m_native_preview)
 714         printout->SetIsPreview(true);
 715
 716     if (!dc)
 717     {
 718         gs_lgp->gnome_print_job_close( job );
 719         g_object_unref (job);
 720         sm_lastError = wxPRINTER_ERROR;
 721         return false;
 722     }
 723
 724     wxSize ScreenPixels = wxGetDisplaySize();
 725     wxSize ScreenMM = wxGetDisplaySizeMM();
 726
 727     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 728                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 729     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 730                              wxGnomePrintDC::GetResolution() );
 731
 732     printout->SetDC(dc);
 733
 734     int w, h;
 735     dc->GetSize(&w, &h);
 736     printout->SetPageSizePixels((int)w, (int)h);
 737     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 738     int mw, mh;
 739     dc->GetSizeMM(&mw, &mh);
 740     printout->SetPageSizeMM((int)mw, (int)mh);
 741     printout->OnPreparePrinting();
 742
 743     // Get some parameters from the printout, if defined
 744     int fromPage, toPage;
 745     int minPage, maxPage;
 746     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 747
 748     if (maxPage == 0)
 749     {
 750         gs_lgp->gnome_print_job_close( job );
 751         g_object_unref (job);
 752         sm_lastError = wxPRINTER_ERROR;
 753         return false;
 754     }
 755
 756     printout->OnBeginPrinting();
 757
 758     int minPageNum = minPage, maxPageNum = maxPage;
 759
 760     if ( !m_printDialogData.GetAllPages() )
 761     {
 762         minPageNum = m_printDialogData.GetFromPage();
 763         maxPageNum = m_printDialogData.GetToPage();
 764     }
 765
 766
 767     int copyCount;
 768     for ( copyCount = 1;
 769           copyCount <= m_printDialogData.GetNoCopies();
 770           copyCount++ )
 771     {
 772         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 773         {
 774             wxLogError(_("Could not start printing."));
 775             sm_lastError = wxPRINTER_ERROR;
 776             break;
 777         }
 778
 779         int pn;
 780         for ( pn = minPageNum;
 781               pn <= maxPageNum && printout->HasPage(pn);
 782               pn++ )
 783         {
 784             dc->StartPage();
 785             printout->OnPrintPage(pn);
 786             dc->EndPage();
 787         }
 788
 789         printout->OnEndDocument();
 790         printout->OnEndPrinting();
 791     }
 792
 793     gs_lgp->gnome_print_job_close( job );
 794     if (m_native_preview)
 795     {
 796         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 797         GtkWidget *preview = gs_lgp->gnome_print_job_preview_new
 798                                      (
 799                                         job,
 800                                         (const guchar *)title.data()
 801                                      );
 802         gtk_widget_show(preview);
 803     }
 804     else
 805     {
 806         gs_lgp->gnome_print_job_print( job );
 807     }
 808
 809     g_object_unref (job);
 810     delete dc;
 811
 812     return (sm_lastError == wxPRINTER_NO_ERROR);
 813 }
 814
 815 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 816 {
 817     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 818     int ret = dialog.ShowModal();
 819     if (ret == wxID_CANCEL)
 820     {
 821         sm_lastError = wxPRINTER_CANCELLED;
 822         return NULL;
 823     }
 824
 825     m_native_preview = ret == wxID_PREVIEW;
 826
 827     m_printDialogData = dialog.GetPrintDialogData();
 828     return new wxGnomePrintDC( this );
 829 }
 830
 831 bool wxGnomePrinter::Setup( wxWindow *parent )
 832 {
 833     return false;
 834 }
 835
 836 //-----------------------------------------------------------------------------
 837 // wxGnomePrintDC
 838 //-----------------------------------------------------------------------------
 839
 840 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 841
 842 wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 843 {
 844     m_printer = printer;
 845
 846     m_gpc = printer->GetPrintContext();
 847     m_job = NULL; // only used and destroyed when created with wxPrintData
 848
 849     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 850     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 851     m_context = NULL;
 852
 853     m_currentRed = 0;
 854     m_currentBlue = 0;
 855     m_currentGreen = 0;
 856
 857     m_signX =  1;  // default x-axis left to right
 858     m_signY = -1;  // default y-axis bottom up -> top down
 859
 860     GetSize( NULL, &m_deviceOffsetY );
 861 }
 862
 863 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 864 {
 865     m_printer = NULL;
 866     m_printData = data;
 867
 868     wxGnomePrintNativeData *native =
 869         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 870
 871     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 872     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 873     m_job = job; // only used and destroyed when created with wxPrintData
 874
 875     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 876     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 877     m_context = NULL;
 878
 879     m_currentRed = 0;
 880     m_currentBlue = 0;
 881     m_currentGreen = 0;
 882
 883     m_signX =  1;  // default x-axis left to right
 884     m_signY = -1;  // default y-axis bottom up -> top down
 885
 886     GetSize( NULL, &m_deviceOffsetY );
 887 }
 888
 889 wxGnomePrintDC::~wxGnomePrintDC()
 890 {
 891     if (m_job)
 892         g_object_unref (m_job);
 893 }
 894
 895 bool wxGnomePrintDC::IsOk() const
 896 {
 897     return true;
 898 }
 899
 900 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 901 {
 902     return false;
 903 }
 904
 905 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
 906 {
 907     return false;
 908 }
 909
 910 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 911 {
 912     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 913
 914     SetPen( m_pen );
 915
 916     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
 917     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
 918     gs_lgp->gnome_print_stroke ( m_gpc);
 919
 920     CalcBoundingBox( x1, y1 );
 921     CalcBoundingBox( x2, y2 );
 922 }
 923
 924 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
 925 {
 926 }
 927
 928 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
 929 {
 930     double dx = x1 - xc;
 931     double dy = y1 - yc;
 932     double radius = sqrt((double)(dx*dx+dy*dy));
 933     double alpha1, alpha2;
 934     if (x1 == x2 && y1 == y2)
 935     {
 936         alpha1 = 0.0;
 937         alpha2 = 360.0;
 938     }
 939     else
 940     if (radius == 0.0)
 941     {
 942         alpha1 = alpha2 = 0.0;
 943     }
 944     else
 945     {
 946         alpha1 = (x1 - xc == 0) ?
 947             (y1 - yc < 0) ? 90.0 : -90.0 :
 948             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
 949         alpha2 = (x2 - xc == 0) ?
 950             (y2 - yc < 0) ? 90.0 : -90.0 :
 951             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
 952
 953         while (alpha1 <= 0)   alpha1 += 360;
 954         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
 955         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
 956         while (alpha2 > 360)  alpha2 -= 360;
 957     }
 958
 959     if (m_brush.GetStyle() != wxTRANSPARENT)
 960     {
 961         SetBrush( m_brush );
 962         gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 963         gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 964
 965         gs_lgp->gnome_print_fill( m_gpc );
 966     }
 967
 968     if (m_pen.GetStyle() != wxTRANSPARENT)
 969     {
 970         SetPen (m_pen);
 971         gs_lgp->gnome_print_newpath( m_gpc );
 972         gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
 973         gs_lgp->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
 974         gs_lgp->gnome_print_closepath( m_gpc );
 975
 976         gs_lgp->gnome_print_stroke( m_gpc );
 977     }
 978
 979     CalcBoundingBox (x1, y1);
 980     CalcBoundingBox (x2, y2);
 981     CalcBoundingBox (xc, yc);
 982 }
 983
 984 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 985 {
 986     x += w/2;
 987     y += h/2;
 988
 989     int xx = XLOG2DEV(x);
 990     int yy = YLOG2DEV(y);
 991
 992     gs_lgp->gnome_print_gsave( m_gpc );
 993
 994     gs_lgp->gnome_print_translate( m_gpc, xx, yy );
 995     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
 996     gs_lgp->gnome_print_scale( m_gpc, 1.0, scale );
 997
 998     xx = 0;
 999     yy = 0;
1000
1001     if (m_brush.GetStyle () != wxTRANSPARENT)
1002     {
1003         SetBrush( m_brush );
1004
1005         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
1006         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1007             XLOG2DEVREL(w)/2, sa, ea, 0 );
1008         gs_lgp->gnome_print_moveto ( m_gpc, xx, yy );
1009
1010         gs_lgp->gnome_print_fill( m_gpc );
1011     }
1012
1013     if (m_pen.GetStyle () != wxTRANSPARENT)
1014     {
1015         SetPen (m_pen);
1016
1017         gs_lgp->gnome_print_arcto( m_gpc, xx, yy,
1018             XLOG2DEVREL(w)/2, sa, ea, 0 );
1019
1020         gs_lgp->gnome_print_stroke( m_gpc );
1021     }
1022
1023     gs_lgp->gnome_print_grestore( m_gpc );
1024
1025     CalcBoundingBox( x, y );
1026     CalcBoundingBox( x+w, y+h );
1027 }
1028
1029 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1030 {
1031 }
1032
1033 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1034 {
1035     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1036
1037     if (n <= 0) return;
1038
1039     SetPen (m_pen);
1040
1041     int i;
1042     for ( i =0; i<n ; i++ )
1043         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1044
1045     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1046
1047     for (i = 1; i < n; i++)
1048         gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1049
1050     gs_lgp->gnome_print_stroke ( m_gpc);
1051 }
1052
1053 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1054 {
1055     if (n==0) return;
1056
1057     if (m_brush.GetStyle () != wxTRANSPARENT)
1058     {
1059         SetBrush( m_brush );
1060
1061         int x = points[0].x + xoffset;
1062         int y = points[0].y + yoffset;
1063         CalcBoundingBox( x, y );
1064         gs_lgp->gnome_print_newpath( m_gpc );
1065         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1066         int i;
1067         for (i = 1; i < n; i++)
1068         {
1069             int x = points[i].x + xoffset;
1070             int y = points[i].y + yoffset;
1071             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1072             CalcBoundingBox( x, y );
1073         }
1074         gs_lgp->gnome_print_closepath( m_gpc );
1075         gs_lgp->gnome_print_fill( m_gpc );
1076     }
1077
1078     if (m_pen.GetStyle () != wxTRANSPARENT)
1079     {
1080         SetPen (m_pen);
1081
1082         int x = points[0].x + xoffset;
1083         int y = points[0].y + yoffset;
1084         gs_lgp->gnome_print_newpath( m_gpc );
1085         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1086         int i;
1087         for (i = 1; i < n; i++)
1088         {
1089             int x = points[i].x + xoffset;
1090             int y = points[i].y + yoffset;
1091             gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1092             CalcBoundingBox( x, y );
1093         }
1094         gs_lgp->gnome_print_closepath( m_gpc );
1095         gs_lgp->gnome_print_stroke( m_gpc );
1096     }
1097 }
1098
1099 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1100 {
1101     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1102 }
1103
1104 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1105 {
1106     if (m_brush.GetStyle () != wxTRANSPARENT)
1107     {
1108         SetBrush( m_brush );
1109
1110         gs_lgp->gnome_print_newpath( m_gpc );
1111         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1112         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1113         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1114         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1115         gs_lgp->gnome_print_closepath( m_gpc );
1116         gs_lgp->gnome_print_fill( m_gpc );
1117
1118         CalcBoundingBox( x, y );
1119         CalcBoundingBox( x + width, y + height );
1120     }
1121
1122     if (m_pen.GetStyle () != wxTRANSPARENT)
1123     {
1124         SetPen (m_pen);
1125
1126         gs_lgp->gnome_print_newpath( m_gpc );
1127         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1128         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1129         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1130         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1131         gs_lgp->gnome_print_closepath( m_gpc );
1132         gs_lgp->gnome_print_stroke( m_gpc );
1133
1134         CalcBoundingBox( x, y );
1135         CalcBoundingBox( x + width, y + height );
1136     }
1137 }
1138
1139 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1140 {
1141     wxCoord rad = (wxCoord) radius;
1142
1143     if (m_brush.GetStyle() != wxTRANSPARENT)
1144     {
1145         SetBrush(m_brush);
1146         gs_lgp->gnome_print_newpath(m_gpc);
1147         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1148         gs_lgp->gnome_print_curveto(m_gpc,
1149                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1150                                     XLOG2DEV(x),YLOG2DEV(y),
1151                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1152         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1153         gs_lgp->gnome_print_curveto(m_gpc,
1154                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1155                                     XLOG2DEV(x),YLOG2DEV(y + height),
1156                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1157         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1158         gs_lgp->gnome_print_curveto(m_gpc,
1159                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1160                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1161                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1162         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1163         gs_lgp->gnome_print_curveto(m_gpc,
1164                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1165                                     XLOG2DEV(x + width),YLOG2DEV(y),
1166                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1167         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1168         gs_lgp->gnome_print_closepath(m_gpc);
1169         gs_lgp->gnome_print_fill(m_gpc);
1170
1171         CalcBoundingBox(x,y);
1172         CalcBoundingBox(x+width,y+height);
1173     }
1174
1175     if (m_pen.GetStyle() != wxTRANSPARENT)
1176     {
1177         SetPen(m_pen);
1178         gs_lgp->gnome_print_newpath(m_gpc);
1179         gs_lgp->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1180         gs_lgp->gnome_print_curveto(m_gpc,
1181                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1182                                     XLOG2DEV(x),YLOG2DEV(y),
1183                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1184         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1185         gs_lgp->gnome_print_curveto(m_gpc,
1186                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1187                                     XLOG2DEV(x),YLOG2DEV(y + height),
1188                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1189         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1190         gs_lgp->gnome_print_curveto(m_gpc,
1191                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1192                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1193                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1194         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1195         gs_lgp->gnome_print_curveto(m_gpc,
1196                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1197                                     XLOG2DEV(x + width),YLOG2DEV(y),
1198                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1199         gs_lgp->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1200         gs_lgp->gnome_print_closepath(m_gpc);
1201         gs_lgp->gnome_print_stroke(m_gpc);
1202
1203         CalcBoundingBox(x,y);
1204         CalcBoundingBox(x+width,y+height);
1205     }
1206 }
1207
1208 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1209                                         wxCoord width, wxCoord height)
1210 {
1211     double r = 4 * (sqrt (2) - 1) / 3;
1212     double  halfW = 0.5 * width,
1213             halfH = 0.5 * height,
1214             halfWR = r * halfW,
1215             halfHR = r * halfH;
1216     wxCoord halfWI = (wxCoord) halfW,
1217             halfHI = (wxCoord) halfH;
1218
1219     gs_lgp->gnome_print_newpath( m_gpc );
1220
1221     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1222     gs_lgp->gnome_print_moveto( m_gpc,
1223                 XLOG2DEV(x + width),
1224                 YLOG2DEV(y + halfHI) );
1225     gs_lgp->gnome_print_curveto( m_gpc,
1226                 XLOG2DEV(x + width),
1227                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1228                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1229                 YLOG2DEV(y + height),
1230                 XLOG2DEV(x + halfWI),
1231                 YLOG2DEV(y + height) );
1232     gs_lgp->gnome_print_curveto( m_gpc,
1233                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1234                 YLOG2DEV(y + height),
1235                 XLOG2DEV(x),
1236                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1237                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1238     gs_lgp->gnome_print_curveto( m_gpc,
1239                 XLOG2DEV(x),
1240                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1241                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1242                 YLOG2DEV(y),
1243                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1244     gs_lgp->gnome_print_curveto( m_gpc,
1245                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1246                 YLOG2DEV(y),
1247                 XLOG2DEV(x + width),
1248                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1249                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1250
1251     gs_lgp->gnome_print_closepath(m_gpc);
1252 }
1253
1254 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1255 {
1256     if (m_brush.GetStyle () != wxTRANSPARENT)
1257     {
1258         SetBrush( m_brush );
1259         makeEllipticalPath( x, y, width, height );
1260         gs_lgp->gnome_print_fill( m_gpc );
1261         CalcBoundingBox( x, y );
1262         CalcBoundingBox( x + width, y + height );
1263     }
1264
1265     if (m_pen.GetStyle () != wxTRANSPARENT)
1266     {
1267         SetPen (m_pen);
1268         makeEllipticalPath( x, y, width, height );
1269         gs_lgp->gnome_print_stroke( m_gpc );
1270         CalcBoundingBox( x, y );
1271         CalcBoundingBox( x + width, y + height );
1272     }
1273 }
1274
1275 #if wxUSE_SPLINES
1276 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1277 {
1278     SetPen (m_pen);
1279
1280     double c, d, x1, y1, x2, y2, x3, y3;
1281     wxPoint *p, *q;
1282
1283     wxList::compatibility_iterator node = points->GetFirst();
1284     p = (wxPoint *)node->GetData();
1285     x1 = p->x;
1286     y1 = p->y;
1287
1288     node = node->GetNext();
1289     p = (wxPoint *)node->GetData();
1290     c = p->x;
1291     d = p->y;
1292     x3 =
1293          (double)(x1 + c) / 2;
1294     y3 =
1295          (double)(y1 + d) / 2;
1296
1297     gs_lgp->gnome_print_newpath( m_gpc );
1298     gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1299     gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1300
1301     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1302     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1303
1304     node = node->GetNext();
1305     while (node)
1306     {
1307         q = (wxPoint *)node->GetData();
1308
1309         x1 = x3;
1310         y1 = y3;
1311         x2 = c;
1312         y2 = d;
1313         c = q->x;
1314         d = q->y;
1315         x3 = (double)(x2 + c) / 2;
1316         y3 = (double)(y2 + d) / 2;
1317
1318         gs_lgp->gnome_print_curveto(m_gpc,
1319             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1320             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1321             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1322
1323         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1324         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1325
1326         node = node->GetNext();
1327     }
1328
1329     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1330
1331     gs_lgp->gnome_print_stroke( m_gpc );
1332 }
1333 #endif // wxUSE_SPLINES
1334
1335 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1336             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1337             wxCoord xsrcMask, wxCoord ysrcMask)
1338 {
1339     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1340
1341     // blit into a bitmap
1342     wxBitmap bitmap( width, height );
1343     wxMemoryDC memDC;
1344     memDC.SelectObject(bitmap);
1345     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1346     memDC.SelectObject(wxNullBitmap);
1347
1348     // draw bitmap. scaling and positioning is done there
1349     DrawBitmap( bitmap, xdest, ydest );
1350
1351     return true;
1352 }
1353
1354 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1355 {
1356     DoDrawBitmap( icon, x, y, true );
1357 }
1358
1359 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1360 {
1361     if (!bitmap.Ok()) return;
1362
1363     if (bitmap.HasPixbuf())
1364     {
1365         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1366         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1367         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1368         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1369         int height = gdk_pixbuf_get_height( pixbuf );
1370         int width = gdk_pixbuf_get_width( pixbuf );
1371
1372         gs_lgp->gnome_print_gsave( m_gpc );
1373         double matrix[6];
1374         matrix[0] = XLOG2DEVREL(width);
1375         matrix[1] = 0;
1376         matrix[2] = 0;
1377         matrix[3] = YLOG2DEVREL(height);
1378         matrix[4] = XLOG2DEV(x);
1379         matrix[5] = YLOG2DEV(y+height);
1380         gs_lgp->gnome_print_concat( m_gpc, matrix );
1381         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1382         if (has_alpha)
1383             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1384         else
1385             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1386         gs_lgp->gnome_print_grestore( m_gpc );
1387     }
1388     else
1389     {
1390         wxImage image = bitmap.ConvertToImage();
1391
1392         if (!image.Ok()) return;
1393
1394         gs_lgp->gnome_print_gsave( m_gpc );
1395         double matrix[6];
1396         matrix[0] = XLOG2DEVREL(image.GetWidth());
1397         matrix[1] = 0;
1398         matrix[2] = 0;
1399         matrix[3] = YLOG2DEVREL(image.GetHeight());
1400         matrix[4] = XLOG2DEV(x);
1401         matrix[5] = YLOG2DEV(y+image.GetHeight());
1402         gs_lgp->gnome_print_concat( m_gpc, matrix );
1403         gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1404         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1405         gs_lgp->gnome_print_grestore( m_gpc );
1406     }
1407 }
1408
1409 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1410 {
1411     DoDrawRotatedText( text, x, y, 0.0 );
1412 }
1413
1414 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1415 {
1416     x = XLOG2DEV(x);
1417     y = YLOG2DEV(y);
1418
1419     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1420
1421 #if wxUSE_UNICODE
1422     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1423 #else
1424     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1425     if ( !wdata )
1426         return;
1427     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1428 #endif
1429
1430     size_t datalen = strlen((const char*)data);
1431     pango_layout_set_text( m_layout, (const char*) data, datalen);
1432
1433     if (underlined)
1434     {
1435         PangoAttrList *attrs = pango_attr_list_new();
1436         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1437         a->start_index = 0;
1438         a->end_index = datalen;
1439         pango_attr_list_insert(attrs, a);
1440         pango_layout_set_attributes(m_layout, attrs);
1441         pango_attr_list_unref(attrs);
1442     }
1443
1444     if (m_textForegroundColour.Ok())
1445     {
1446         unsigned char red = m_textForegroundColour.Red();
1447         unsigned char blue = m_textForegroundColour.Blue();
1448         unsigned char green = m_textForegroundColour.Green();
1449
1450         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1451         {
1452             double redPS = (double)(red) / 255.0;
1453             double bluePS = (double)(blue) / 255.0;
1454             double greenPS = (double)(green) / 255.0;
1455
1456             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1457
1458             m_currentRed = red;
1459             m_currentBlue = blue;
1460             m_currentGreen = green;
1461         }
1462     }
1463
1464     int w,h;
1465
1466     if (fabs(m_scaleY - 1.0) > 0.00001)
1467     {
1468         // If there is a user or actually any scale applied to
1469         // the device context, scale the font.
1470
1471         // scale font description
1472         gint oldSize = pango_font_description_get_size( m_fontdesc );
1473         double size = oldSize;
1474         size = size * m_scaleY;
1475         pango_font_description_set_size( m_fontdesc, (gint)size );
1476
1477         // actually apply scaled font
1478         pango_layout_set_font_description( m_layout, m_fontdesc );
1479
1480         pango_layout_get_pixel_size( m_layout, &w, &h );
1481 #if 0
1482         if ( m_backgroundMode == wxSOLID )
1483         {
1484             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1485             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1486             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1487         }
1488 #endif
1489         // Draw layout.
1490         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1491         if (fabs(angle) > 0.00001)
1492         {
1493             gs_lgp->gnome_print_gsave( m_gpc );
1494             gs_lgp->gnome_print_rotate( m_gpc, angle );
1495             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1496             gs_lgp->gnome_print_grestore( m_gpc );
1497         }
1498         else
1499         {
1500             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1501         }
1502
1503         // reset unscaled size
1504         pango_font_description_set_size( m_fontdesc, oldSize );
1505
1506         // actually apply unscaled font
1507         pango_layout_set_font_description( m_layout, m_fontdesc );
1508     }
1509     else
1510     {
1511         pango_layout_get_pixel_size( m_layout, &w, &h );
1512 #if 0
1513         if ( m_backgroundMode == wxSOLID )
1514         {
1515             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1516             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1517             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1518         }
1519 #endif
1520         // Draw layout.
1521         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1522         if (fabs(angle) > 0.00001)
1523         {
1524             gs_lgp->gnome_print_gsave( m_gpc );
1525             gs_lgp->gnome_print_rotate( m_gpc, angle );
1526             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1527             gs_lgp->gnome_print_grestore( m_gpc );
1528         }
1529         else
1530         {
1531             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1532         }
1533     }
1534
1535     if (underlined)
1536     {
1537         // undo underline attributes setting:
1538         pango_layout_set_attributes(m_layout, NULL);
1539     }
1540
1541     CalcBoundingBox (x + w, y + h);
1542 }
1543
1544 void wxGnomePrintDC::Clear()
1545 {
1546 }
1547
1548 void wxGnomePrintDC::SetFont( const wxFont& font )
1549 {
1550     m_font = font;
1551
1552     if (m_font.Ok())
1553     {
1554         if (m_fontdesc)
1555             pango_font_description_free( m_fontdesc );
1556
1557         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1558
1559         pango_layout_set_font_description( m_layout, m_fontdesc );
1560     }
1561 }
1562
1563 void wxGnomePrintDC::SetPen( const wxPen& pen )
1564 {
1565     if (!pen.Ok()) return;
1566
1567     m_pen = pen;
1568
1569     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1570
1571     static const double dotted[] =  {2.0, 5.0};
1572     static const double short_dashed[] = {4.0, 4.0};
1573     static const double wxCoord_dashed[] = {4.0, 8.0};
1574     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1575
1576     switch (m_pen.GetStyle())
1577     {
1578         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1579         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1580         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1581         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1582         case wxUSER_DASH:
1583         {
1584             // It may be noted that libgnomeprint between at least
1585             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1586             // and then leak the memory since it doesn't set the
1587             // internal flag "privatedash" to 0.
1588             wxDash *wx_dashes;
1589             int num = m_pen.GetDashes (&wx_dashes);
1590             gdouble *g_dashes = g_new( gdouble, num );
1591             int i;
1592             for (i = 0; i < num; ++i)
1593                 g_dashes[i] = (gdouble) wx_dashes[i];
1594             gs_lgp -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1595             g_free( g_dashes );
1596         }
1597         break;
1598         case wxSOLID:
1599         case wxTRANSPARENT:
1600         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1601     }
1602
1603
1604     unsigned char red = m_pen.GetColour().Red();
1605     unsigned char blue = m_pen.GetColour().Blue();
1606     unsigned char green = m_pen.GetColour().Green();
1607
1608     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1609     {
1610         double redPS = (double)(red) / 255.0;
1611         double bluePS = (double)(blue) / 255.0;
1612         double greenPS = (double)(green) / 255.0;
1613
1614         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1615
1616         m_currentRed = red;
1617         m_currentBlue = blue;
1618         m_currentGreen = green;
1619     }
1620 }
1621
1622 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1623 {
1624     if (!brush.Ok()) return;
1625
1626     m_brush = brush;
1627
1628     // Brush colour
1629     unsigned char red = m_brush.GetColour().Red();
1630     unsigned char blue = m_brush.GetColour().Blue();
1631     unsigned char green = m_brush.GetColour().Green();
1632
1633     if (!m_colour)
1634     {
1635         // Anything not white is black
1636         if (! (red == (unsigned char) 255 &&
1637                blue == (unsigned char) 255 &&
1638                green == (unsigned char) 255) )
1639         {
1640             red = (unsigned char) 0;
1641             green = (unsigned char) 0;
1642             blue = (unsigned char) 0;
1643         }
1644         // setgray here ?
1645     }
1646
1647     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1648     {
1649         double redPS = (double)(red) / 255.0;
1650         double bluePS = (double)(blue) / 255.0;
1651         double greenPS = (double)(green) / 255.0;
1652
1653         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1654
1655         m_currentRed = red;
1656         m_currentBlue = blue;
1657         m_currentGreen = green;
1658     }
1659 }
1660
1661 void wxGnomePrintDC::SetLogicalFunction( int function )
1662 {
1663 }
1664
1665 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1666 {
1667 }
1668
1669 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1670 {
1671 }
1672
1673 void wxGnomePrintDC::DestroyClippingRegion()
1674 {
1675 }
1676
1677 bool wxGnomePrintDC::StartDoc(const wxString& message)
1678 {
1679     return true;
1680 }
1681
1682 void wxGnomePrintDC::EndDoc()
1683 {
1684     gs_lgp->gnome_print_end_doc( m_gpc );
1685 }
1686
1687 void wxGnomePrintDC::StartPage()
1688 {
1689     gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1690 }
1691
1692 void wxGnomePrintDC::EndPage()
1693 {
1694     gs_lgp->gnome_print_showpage( m_gpc );
1695 }
1696
1697 wxCoord wxGnomePrintDC::GetCharHeight() const
1698 {
1699     pango_layout_set_text( m_layout, "H", 1 );
1700
1701     int w,h;
1702     pango_layout_get_pixel_size( m_layout, &w, &h );
1703
1704     return h;
1705 }
1706
1707 wxCoord wxGnomePrintDC::GetCharWidth() const
1708 {
1709     pango_layout_set_text( m_layout, "H", 1 );
1710
1711     int w,h;
1712     pango_layout_get_pixel_size( m_layout, &w, &h );
1713
1714     return w;
1715 }
1716
1717 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1718                      wxCoord *descent,
1719                      wxCoord *externalLeading,
1720                      wxFont *theFont ) const
1721 {
1722     if ( width )
1723         *width = 0;
1724     if ( height )
1725         *height = 0;
1726     if ( descent )
1727         *descent = 0;
1728     if ( externalLeading )
1729         *externalLeading = 0;
1730
1731     if (string.empty())
1732     {
1733         return;
1734     }
1735
1736     // Set new font description
1737     if (theFont)
1738         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1739
1740     // Set layout's text
1741 #if wxUSE_UNICODE
1742     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1743     const char *dataUTF8 = (const char *)data;
1744 #else
1745     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1746     if ( !wdata )
1747     {
1748         if (width) (*width) = 0;
1749         if (height) (*height) = 0;
1750         return;
1751     }
1752     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1753     const char *dataUTF8 = (const char *)data;
1754 #endif
1755
1756     if ( !dataUTF8 )
1757     {
1758         // hardly ideal, but what else can we do if conversion failed?
1759         return;
1760     }
1761
1762     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1763
1764     int w,h;
1765     pango_layout_get_pixel_size( m_layout, &w, &h );
1766
1767     if (width)
1768         *width = (wxCoord)(w / m_scaleX);
1769     if (height)
1770         *height = (wxCoord)(h / m_scaleY);
1771     if (descent)
1772     {
1773         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1774         int baseline = pango_layout_iter_get_baseline(iter);
1775         pango_layout_iter_free(iter);
1776         *descent = h - PANGO_PIXELS(baseline);
1777     }
1778
1779     // Reset old font description
1780     if (theFont)
1781         pango_layout_set_font_description( m_layout, m_fontdesc );
1782 }
1783
1784 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1785 {
1786     wxGnomePrintNativeData *native =
1787       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1788
1789     // Query page size. This seems to omit the margins
1790     double pw,ph;
1791     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1792
1793     if (width)
1794         *width = (int) (pw + 0.5);
1795     if (height)
1796         *height = (int) (ph + 0.5);
1797 }
1798
1799 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1800 {
1801     wxGnomePrintNativeData *native =
1802       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1803
1804     // This code assumes values in Pts.
1805
1806     double pw,ph;
1807     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1808
1809     // Convert to mm.
1810
1811     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1812     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1813     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1814     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1815
1816     if (width)
1817         *width = (int) (pw + 0.5);
1818     if (height)
1819         *height = (int) (ph + 0.5);
1820 }
1821
1822 wxSize wxGnomePrintDC::GetPPI() const
1823 {
1824     return wxSize(72,72);
1825 }
1826
1827 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1828 {
1829     m_signX = (xLeftRight ? 1 : -1);
1830     m_signY = (yBottomUp  ? 1 : -1);
1831
1832     ComputeScaleAndOrigin();
1833 }
1834
1835 void wxGnomePrintDC::SetLogicalOrigin( wxCoord x, wxCoord y )
1836 {
1837     wxDC::SetLogicalOrigin( x, y );
1838 }
1839
1840 void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1841 {
1842     wxDC::SetDeviceOrigin( x, y );
1843 }
1844
1845 void wxGnomePrintDC::SetResolution(int ppi)
1846 {
1847 }
1848
1849 int wxGnomePrintDC::GetResolution()
1850 {
1851     return 72;
1852 }
1853
1854
1855 class wxGnomePrintModule: public wxModule
1856 {
1857 public:
1858     wxGnomePrintModule() {}
1859     bool OnInit();
1860     void OnExit();
1861
1862 private:
1863     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1864 };
1865
1866 bool wxGnomePrintModule::OnInit()
1867 {
1868     gs_lgp = new wxGnomePrintLibrary;
1869     if (gs_lgp->IsOk())
1870         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1871     return true;
1872 }
1873
1874 void wxGnomePrintModule::OnExit()
1875 {
1876     delete gs_lgp;
1877 }
1878
1879 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1880
1881 // ----------------------------------------------------------------------------
1882 // Print preview
1883 // ----------------------------------------------------------------------------
1884
1885 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
1886
1887 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
1888                                     wxPrintout * WXUNUSED(printoutForPrinting))
1889 {
1890     DetermineScaling();
1891 }
1892
1893 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1894                                                    wxPrintout *printoutForPrinting,
1895                                                    wxPrintDialogData *data)
1896                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1897 {
1898     Init(printout, printoutForPrinting);
1899 }
1900
1901 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1902                                                    wxPrintout *printoutForPrinting,
1903                                                    wxPrintData *data)
1904                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1905 {
1906     Init(printout, printoutForPrinting);
1907 }
1908
1909 wxGnomePrintPreview::~wxGnomePrintPreview()
1910 {
1911 }
1912
1913 bool wxGnomePrintPreview::Print(bool interactive)
1914 {
1915     if (!m_printPrintout)
1916         return false;
1917
1918     wxPrinter printer(& m_printDialogData);
1919     return printer.Print(m_previewFrame, m_printPrintout, interactive);
1920 }
1921
1922 void wxGnomePrintPreview::DetermineScaling()
1923 {
1924     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
1925     if (paperType == wxPAPER_NONE)
1926         paperType = wxPAPER_NONE;
1927
1928     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
1929     if (!paper)
1930         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
1931
1932     if (paper)
1933     {
1934         wxSize ScreenPixels = wxGetDisplaySize();
1935         wxSize ScreenMM = wxGetDisplaySizeMM();
1936
1937         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
1938                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
1939         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
1940
1941         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
1942
1943         // TODO: get better resolution information from wxGnomePrintDC, if possible.
1944
1945         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
1946         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
1947         wxSize sizeTenthsMM(paper->GetSize());
1948         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
1949
1950         // If in landscape mode, we need to swap the width and height.
1951         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
1952         {
1953             m_pageWidth = sizeDevUnits.y;
1954             m_pageHeight = sizeDevUnits.x;
1955             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
1956         }
1957         else
1958         {
1959             m_pageWidth = sizeDevUnits.x;
1960             m_pageHeight = sizeDevUnits.y;
1961             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
1962         }
1963         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1964         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
1965
1966         // At 100%, the page should look about page-size on the screen.
1967         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
1968         m_previewScaleY = m_previewScaleX;
1969     }
1970 }
1971
1972 #endif
1973     // wxUSE_LIBGNOMEPRINT