src/gtk1/gnome/gprint.cpp

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