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