src/gtk/gnome/gprint.cpp

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