src/gtk1/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 "math.h"
  26
  27 #include "wx/fontutil.h"
  28 #include "wx/printdlg.h"
  29 #include "wx/gtk/private.h"
  30 #include "wx/module.h"
  31 #include "wx/generic/prntdlgg.h"
  32 #include "wx/dynlib.h"
  33
  34 #include <libgnomeprint/gnome-print.h>
  35 #include <libgnomeprint/gnome-print-pango.h>
  36 #include <libgnomeprint/gnome-print-config.h>
  37 #include <libgnomeprintui/gnome-print-dialog.h>
  38 #include <libgnomeprintui/gnome-print-job-preview.h>
  39 #include <libgnomeprintui/gnome-print-paper-selector.h>
  40
  41
  42 #include "wx/html/forcelnk.h"
  43 FORCE_LINK_ME(gnome_print)
  44
  45 //----------------------------------------------------------------------------
  46 // wxGnomePrintLibrary
  47 //----------------------------------------------------------------------------
  48
  49 #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
  50     typedef rettype (* name ## Type) args ; \
  51     name ## Type pfn_ ## name; \
  52     rettype name args \
  53     { if (m_ok) return pfn_ ## name shortargs ; return defret; }
  54
  55 #define wxDL_METHOD_LOAD( lib, name, success ) \
  56     pfn_ ## name = (name ## Type) lib->GetSymbol( wxT(#name), &success ); \
  57     if (!success) return;
  58
  59 class wxGnomePrintLibrary
  60 {
  61 public:
  62     wxGnomePrintLibrary();
  63     ~wxGnomePrintLibrary();
  64
  65     bool IsOk();
  66     void InitializeMethods();
  67
  68 private:
  69     bool              m_ok;
  70     wxDynamicLibrary *m_gnome_print_lib;
  71     wxDynamicLibrary *m_gnome_printui_lib;
  72
  73 public:
  74     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  75         (GnomePrintContext *pc), (pc), 0 )
  76     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  77         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  78     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  79         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  80     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  81         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  82     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  83         (GnomePrintContext *pc), (pc), 0 )
  84     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  85         (GnomePrintContext *pc), (pc), 0 )
  86     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  87         (GnomePrintContext *pc), (pc), 0 )
  88     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  89         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  90     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  91         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  92     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  93         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  94
  95     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  96         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  97     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  98         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  99
 100     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 101         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 102     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 103         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 104     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 105         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 106
 107     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 108         (GnomePrintContext *pc), (pc), 0 )
 109     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 110         (GnomePrintContext *pc), (pc), 0 )
 111
 112     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 113         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 114     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 115         (GnomePrintContext *pc), (pc), 0 )
 116     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 117         (GnomePrintContext *pc), (pc), 0 )
 118
 119     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 120         (GnomePrintContext *gpc), (gpc), NULL )
 121     wxDL_METHOD_DEFINE( void, gnome_print_pango_layout,
 122         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout), /**/ )
 123
 124     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 125         (GnomePrintConfig *config), (config), NULL )
 126     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 127         (GnomePrintJob *job), (job), NULL )
 128     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 129         (GnomePrintJob *job), (job), 0 )
 130     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 131         (GnomePrintJob *job), (job), 0 )
 132     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 133         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 134
 135     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 136         (const guchar *abbreviation), (abbreviation), NULL )
 137     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 138         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 139
 140     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 141         (void), (), NULL )
 142     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 143         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 144     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 145         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 146
 147     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 148         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 149     wxDL_METHOD_DEFINE( void, gnome_print_dialog_construct_range_page,
 150         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 151         const guchar *currentlabel, const guchar *rangelabel),
 152         (gpd, flags, start, end, currentlabel, rangelabel), /**/ )
 153     wxDL_METHOD_DEFINE( void, gnome_print_dialog_get_copies,
 154         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate), /**/ )
 155     wxDL_METHOD_DEFINE( void, gnome_print_dialog_set_copies,
 156         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate), /**/ )
 157     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 158         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 159     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 160         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 161
 162     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 163         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 164
 165     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 166         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 167 };
 168
 169 wxGnomePrintLibrary::wxGnomePrintLibrary()
 170 {
 171     m_gnome_print_lib = NULL;
 172     m_gnome_printui_lib = NULL;
 173
 174     wxLogNull log;
 175
 176     m_gnome_print_lib = new wxDynamicLibrary( wxT("libgnomeprint-2-2.so") );
 177     m_ok = m_gnome_print_lib->IsLoaded();
 178     if (!m_ok) return;
 179
 180     m_gnome_printui_lib = new wxDynamicLibrary( wxT("libgnomeprintui-2-2.so") );
 181     m_ok = m_gnome_printui_lib->IsLoaded();
 182     if (!m_ok) return;
 183
 184     InitializeMethods();
 185 }
 186
 187 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 188 {
 189     if (m_gnome_print_lib)
 190         delete m_gnome_print_lib;
 191     if (m_gnome_printui_lib)
 192         delete m_gnome_printui_lib;
 193 }
 194
 195 bool wxGnomePrintLibrary::IsOk()
 196 {
 197     return m_ok;
 198 }
 199
 200 void wxGnomePrintLibrary::InitializeMethods()
 201 {
 202     m_ok = false;
 203     bool success;
 204
 205     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_newpath, success )
 206     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_moveto, success )
 207     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_lineto, success )
 208     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_curveto, success )
 209     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_closepath, success )
 210     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_stroke, success )
 211     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_fill, success )
 212     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setrgbcolor, success )
 213     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setlinewidth, success )
 214     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_setdash, success )
 215
 216     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbimage, success )
 217     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rgbaimage, success )
 218
 219     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_concat, success )
 220     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_scale, success )
 221     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_rotate, success )
 222
 223     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_gsave, success )
 224     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_grestore, success )
 225
 226     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_beginpage, success )
 227     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_showpage, success )
 228     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_end_doc, success )
 229
 230     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_create_layout, success )
 231     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_pango_layout, success )
 232
 233     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_new, success )
 234     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_context, success )
 235     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_close, success )
 236     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_print, success )
 237     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_job_get_page_size, success )
 238
 239     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_unit_get_by_abbreviation, success )
 240     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_convert_distance, success )
 241
 242     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_default, success )
 243     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_set, success )
 244     wxDL_METHOD_LOAD( m_gnome_print_lib, gnome_print_config_get_length, success )
 245
 246     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_new, success )
 247     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_construct_range_page, success )
 248     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_copies, success )
 249     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_set_copies, success )
 250     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range, success )
 251     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_dialog_get_range_page, success )
 252
 253     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_paper_selector_new_with_flags, success )
 254
 255     wxDL_METHOD_LOAD( m_gnome_printui_lib, gnome_print_job_preview_new, success )
 256
 257     m_ok = true;
 258 }
 259
 260 static wxGnomePrintLibrary* gs_lgp = NULL;
 261
 262 //----------------------------------------------------------------------------
 263 // wxGnomePrintNativeData
 264 //----------------------------------------------------------------------------
 265
 266 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 267
 268 wxGnomePrintNativeData::wxGnomePrintNativeData()
 269 {
 270     m_config = gs_lgp->gnome_print_config_default();
 271     m_job = gs_lgp->gnome_print_job_new( m_config );
 272 }
 273
 274 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 275 {
 276     g_object_unref (G_OBJECT (m_config));
 277 }
 278
 279 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 280 {
 281     // TODO
 282     return true;
 283 }
 284
 285 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 286 {
 287     // TODO
 288     return true;
 289 }
 290
 291 //----------------------------------------------------------------------------
 292 // wxGnomePrintFactory
 293 //----------------------------------------------------------------------------
 294
 295 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 296 {
 297     return new wxGnomePrinter( data );
 298 }
 299
 300 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 301                                                     wxPrintout *printout,
 302                                                     wxPrintDialogData *data )
 303 {
 304     return new wxPostScriptPrintPreview( preview, printout, data );
 305 }
 306
 307 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 308                                                     wxPrintout *printout,
 309                                                     wxPrintData *data )
 310 {
 311     return new wxPostScriptPrintPreview( preview, printout, data );
 312 }
 313
 314 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 315                                                   wxPrintDialogData *data )
 316 {
 317     return new wxGnomePrintDialog( parent, data );
 318 }
 319
 320 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 321                                                   wxPrintData *data )
 322 {
 323     return new wxGnomePrintDialog( parent, data );
 324 }
 325
 326 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 327                                                           wxPageSetupDialogData * data )
 328 {
 329 //  The native page setup dialog is broken. It
 330 //  miscalculates newly entered values for the
 331 //  margins if you have not chose "points" but
 332 //  e.g. centimerters.
 333 //  This has been fixed in GNOME CVS (maybe
 334 //  fixed in libgnomeprintui 2.8.1)
 335
 336     return new wxGnomePageSetupDialog( parent, data );
 337 }
 338
 339 bool wxGnomePrintFactory::HasPrintSetupDialog()
 340 {
 341     return false;
 342 }
 343
 344 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 345 {
 346     return NULL;
 347 }
 348
 349 bool wxGnomePrintFactory::HasOwnPrintToFile()
 350 {
 351     return true;
 352 }
 353
 354 bool wxGnomePrintFactory::HasPrinterLine()
 355 {
 356     return true;
 357 }
 358
 359 wxString wxGnomePrintFactory::CreatePrinterLine()
 360 {
 361     // redundant now
 362     return wxEmptyString;
 363 }
 364
 365 bool wxGnomePrintFactory::HasStatusLine()
 366 {
 367     // redundant now
 368     return true;
 369 }
 370
 371 wxString wxGnomePrintFactory::CreateStatusLine()
 372 {
 373     // redundant now
 374     return wxEmptyString;
 375 }
 376
 377 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 378 {
 379     return new wxGnomePrintNativeData;
 380 }
 381
 382 //----------------------------------------------------------------------------
 383 // wxGnomePrintSetupDialog
 384 //----------------------------------------------------------------------------
 385
 386 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 387
 388 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 389                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 390                                wxPoint(0, 0), wxSize(600, 600),
 391                                wxDEFAULT_DIALOG_STYLE |
 392                                wxTAB_TRAVERSAL)
 393 {
 394     if (data)
 395         m_printDialogData = *data;
 396
 397     Init();
 398 }
 399
 400 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 401                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 402                                wxPoint(0, 0), wxSize(600, 600),
 403                                wxDEFAULT_DIALOG_STYLE |
 404                                wxTAB_TRAVERSAL)
 405 {
 406     if (data)
 407         m_printDialogData = *data;
 408
 409     Init();
 410 }
 411
 412 void wxGnomePrintDialog::Init()
 413 {
 414     wxPrintData data = m_printDialogData.GetPrintData();
 415
 416     wxGnomePrintNativeData *native =
 417       (wxGnomePrintNativeData*) data.GetNativeData();
 418
 419     m_widget = gs_lgp->gnome_print_dialog_new( native->GetPrintJob(),
 420                                        (guchar*)"Print",
 421                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 422
 423     int flag = 0;
 424     if (m_printDialogData.GetEnableSelection())
 425         flag |= GNOME_PRINT_RANGE_SELECTION;
 426     if (m_printDialogData.GetEnablePageNumbers())
 427         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 428
 429     gs_lgp->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 430                                              flag,
 431                                              m_printDialogData.GetMinPage(),
 432                                              m_printDialogData.GetMaxPage(),
 433                                              NULL,
 434                                              NULL );
 435 }
 436
 437 wxGnomePrintDialog::~wxGnomePrintDialog()
 438 {
 439     m_widget = NULL;
 440 }
 441
 442 int wxGnomePrintDialog::ShowModal()
 443 {
 444     // Transfer data from m_printDalogData to dialog here
 445
 446     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 447
 448         if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 449     {
 450         gtk_widget_destroy(m_widget);
 451         m_widget = NULL;
 452
 453         return wxID_CANCEL;
 454     }
 455
 456     gint copies = 1;
 457     gboolean collate = false;
 458     gs_lgp->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 459     m_printDialogData.SetNoCopies( copies );
 460     m_printDialogData.SetCollate( collate );
 461
 462     switch (gs_lgp->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 463     {
 464         case GNOME_PRINT_RANGE_SELECTION:
 465             m_printDialogData.SetSelection( true );
 466             break;
 467         case GNOME_PRINT_RANGE_ALL:
 468             m_printDialogData.SetAllPages( true );
 469             m_printDialogData.SetFromPage( 0 );
 470             m_printDialogData.SetToPage( 9999 );
 471             break;
 472         case GNOME_PRINT_RANGE_RANGE:
 473         default:
 474             gint start,end;
 475             gs_lgp->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 476             m_printDialogData.SetFromPage( start );
 477             m_printDialogData.SetToPage( end );
 478             break;
 479     }
 480
 481     gtk_widget_destroy(m_widget);
 482     m_widget = NULL;
 483
 484     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 485         return wxID_PREVIEW;
 486
 487     return wxID_OK;
 488 }
 489
 490 wxDC *wxGnomePrintDialog::GetPrintDC()
 491 {
 492     // Later
 493     return NULL;
 494 }
 495
 496 bool wxGnomePrintDialog::Validate()
 497 {
 498     return true;
 499 }
 500
 501 bool wxGnomePrintDialog::TransferDataToWindow()
 502 {
 503     return true;
 504 }
 505
 506 bool wxGnomePrintDialog::TransferDataFromWindow()
 507 {
 508     return true;
 509 }
 510
 511 //----------------------------------------------------------------------------
 512 // wxGnomePageSetupDialog
 513 //----------------------------------------------------------------------------
 514
 515 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 516
 517 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 518                             wxPageSetupDialogData* data )
 519 {
 520     if (data)
 521         m_pageDialogData = *data;
 522
 523     wxGnomePrintNativeData *native =
 524       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 525
 526     // This is required as the page setup dialog
 527     // calculates wrong values otherwise.
 528     gs_lgp->gnome_print_config_set( native->GetPrintConfig(),
 529                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 530                             (const guchar*) "Pts" );
 531
 532     m_widget = gtk_dialog_new();
 533
 534     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 535
 536     GtkWidget *main = gs_lgp->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 537         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 538     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 539     gtk_widget_show (main);
 540
 541     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 542
 543         gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 544
 545         gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 546                                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 547                                 GTK_STOCK_OK, GTK_RESPONSE_OK,
 548                                 NULL);
 549
 550         gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 551                                          GTK_RESPONSE_OK);
 552 }
 553
 554 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 555 {
 556 }
 557
 558 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 559 {
 560     return m_pageDialogData;
 561 }
 562
 563 int wxGnomePageSetupDialog::ShowModal()
 564 {
 565     wxGnomePrintNativeData *native =
 566       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 567     GnomePrintConfig *config = native->GetPrintConfig();
 568
 569     // Transfer data from m_pageDialogData to native dialog
 570
 571     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 572
 573     if (ret == GTK_RESPONSE_OK)
 574     {
 575         // Transfer data back to m_pageDialogData
 576
 577         // I don't know how querying the last parameter works
 578         // I cannot test it as the dialog is currently broken
 579         // anyways (it only works for points).
 580         double ml,mr,mt,mb,pw,ph;
 581             gs_lgp->gnome_print_config_get_length (config,
 582                                 (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 583             gs_lgp->gnome_print_config_get_length (config,
 584                                 (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 585             gs_lgp->gnome_print_config_get_length (config,
 586                                 (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 587             gs_lgp->gnome_print_config_get_length (config,
 588                                 (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 589         gs_lgp->gnome_print_config_get_length (config,
 590                             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 591             gs_lgp->gnome_print_config_get_length (config,
 592                             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 593
 594         // This probably assumes that the user entered the
 595         // values in Pts. Since that is the only the dialog
 596         // works right now, we need to fix this later.
 597         const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 598         const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 599         gs_lgp->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 600         gs_lgp->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 601         gs_lgp->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 602         gs_lgp->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 603         gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 604         gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 605
 606         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 607         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 608
 609         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 610
 611 #if 0
 612         wxPrintf( wxT("paper %d %d, top margin %d\n"),
 613             m_pageDialogData.GetPaperSize().x,
 614             m_pageDialogData.GetPaperSize().y,
 615             m_pageDialogData.GetMarginTopLeft().x );
 616 #endif
 617
 618         ret = wxID_OK;
 619     }
 620     else
 621     {
 622         ret = wxID_CANCEL;
 623     }
 624
 625     gtk_widget_destroy( m_widget );
 626     m_widget = NULL;
 627
 628     return ret;
 629 }
 630
 631 bool wxGnomePageSetupDialog::Validate()
 632 {
 633     return true;
 634 }
 635
 636 bool wxGnomePageSetupDialog::TransferDataToWindow()
 637 {
 638     return true;
 639 }
 640
 641 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 642 {
 643     return true;
 644 }
 645
 646 //----------------------------------------------------------------------------
 647 // wxGnomePrinter
 648 //----------------------------------------------------------------------------
 649
 650 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 651
 652 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 653     wxPrinterBase( data )
 654 {
 655     m_gpc = NULL;
 656     m_native_preview = false;
 657 }
 658
 659 wxGnomePrinter::~wxGnomePrinter()
 660 {
 661 }
 662
 663 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 664 {
 665     if (!printout)
 666     {
 667         sm_lastError = wxPRINTER_ERROR;
 668         return false;
 669     }
 670
 671     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 672     wxGnomePrintNativeData *native =
 673         (wxGnomePrintNativeData*) printdata.GetNativeData();
 674
 675     GnomePrintJob *job = gs_lgp->gnome_print_job_new( native->GetPrintConfig() );
 676     m_gpc = gs_lgp->gnome_print_job_get_context (job);
 677
 678     // The GnomePrintJob is temporarily stored in the
 679     // native print data as the native print dialog
 680     // needs to access it.
 681     native->SetPrintJob( job );
 682
 683
 684     printout->SetIsPreview(false);
 685
 686     if (m_printDialogData.GetMinPage() < 1)
 687         m_printDialogData.SetMinPage(1);
 688     if (m_printDialogData.GetMaxPage() < 1)
 689         m_printDialogData.SetMaxPage(9999);
 690
 691     wxDC *dc;
 692     if (prompt)
 693         dc = PrintDialog( parent );
 694     else
 695         dc = new wxGnomePrintDC( this );
 696
 697     if (m_native_preview)
 698         printout->SetIsPreview(true);
 699
 700     if (!dc)
 701     {
 702         gs_lgp->gnome_print_job_close( job );
 703         g_object_unref (G_OBJECT (job));
 704         sm_lastError = wxPRINTER_ERROR;
 705         return false;
 706     }
 707
 708     wxSize ScreenPixels = wxGetDisplaySize();
 709     wxSize ScreenMM = wxGetDisplaySizeMM();
 710
 711     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 712                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 713     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 714                              wxGnomePrintDC::GetResolution() );
 715
 716     printout->SetDC(dc);
 717
 718     int w, h;
 719     dc->GetSize(&w, &h);
 720     printout->SetPageSizePixels((int)w, (int)h);
 721     dc->GetSizeMM(&w, &h);
 722     printout->SetPageSizeMM((int)w, (int)h);
 723
 724     printout->OnPreparePrinting();
 725
 726     // Get some parameters from the printout, if defined
 727     int fromPage, toPage;
 728     int minPage, maxPage;
 729     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 730
 731     if (maxPage == 0)
 732     {
 733         gs_lgp->gnome_print_job_close( job );
 734         g_object_unref (G_OBJECT (job));
 735         sm_lastError = wxPRINTER_ERROR;
 736         return false;
 737     }
 738
 739     printout->OnBeginPrinting();
 740
 741     int minPageNum = minPage, maxPageNum = maxPage;
 742
 743     if ( !m_printDialogData.GetAllPages() )
 744     {
 745         minPageNum = m_printDialogData.GetFromPage();
 746         maxPageNum = m_printDialogData.GetToPage();
 747     }
 748
 749
 750     int copyCount;
 751     for ( copyCount = 1;
 752           copyCount <= m_printDialogData.GetNoCopies();
 753           copyCount++ )
 754     {
 755         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 756         {
 757             wxLogError(_("Could not start printing."));
 758             sm_lastError = wxPRINTER_ERROR;
 759             break;
 760         }
 761
 762         int pn;
 763         for ( pn = minPageNum;
 764               pn <= maxPageNum && printout->HasPage(pn);
 765               pn++ )
 766         {
 767             dc->StartPage();
 768             printout->OnPrintPage(pn);
 769             dc->EndPage();
 770         }
 771
 772         printout->OnEndDocument();
 773         printout->OnEndPrinting();
 774     }
 775
 776     gs_lgp->gnome_print_job_close( job );
 777     if (m_native_preview)
 778     {
 779         wxString title( _("Print preview") );
 780         gtk_widget_show( gs_lgp->gnome_print_job_preview_new( job, (const guchar*)(const char*)wxGTK_CONV(title) ));
 781     }
 782     else
 783     {
 784         gs_lgp->gnome_print_job_print( job );
 785     }
 786
 787     g_object_unref (G_OBJECT (job));
 788     delete dc;
 789
 790     return (sm_lastError == wxPRINTER_NO_ERROR);
 791 }
 792
 793 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 794 {
 795     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 796     int ret = dialog.ShowModal();
 797     if (ret == wxID_CANCEL)
 798     {
 799         sm_lastError = wxPRINTER_ERROR;
 800         return NULL;
 801     }
 802
 803     m_native_preview = ret == wxID_PREVIEW;
 804
 805     m_printDialogData = dialog.GetPrintDialogData();
 806     return new wxGnomePrintDC( this );
 807 }
 808
 809 bool wxGnomePrinter::Setup( wxWindow *parent )
 810 {
 811     return false;
 812 }
 813
 814 //-----------------------------------------------------------------------------
 815 // wxGnomePrintDC
 816 //-----------------------------------------------------------------------------
 817
 818 IMPLEMENT_CLASS(wxGnomePrintDC, wxDCBase)
 819
 820 wxGnomePrintDC::wxGnomePrintDC( wxGnomePrinter *printer )
 821 {
 822     m_printer = printer;
 823
 824     m_gpc = printer->GetPrintContext();
 825
 826     m_layout = gs_lgp->gnome_print_pango_create_layout( m_gpc );
 827     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 828
 829     m_currentRed = 0;
 830     m_currentBlue = 0;
 831     m_currentGreen = 0;
 832
 833     m_signX =  1;  // default x-axis left to right
 834     m_signY = -1;  // default y-axis bottom up -> top down
 835 }
 836
 837 wxGnomePrintDC::~wxGnomePrintDC()
 838 {
 839 }
 840
 841 bool wxGnomePrintDC::Ok() const
 842 {
 843     return true;
 844 }
 845
 846 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 847 {
 848     return false;
 849 }
 850
 851 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
 852 {
 853     return false;
 854 }
 855
 856 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 857 {
 858     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
 859
 860     SetPen( m_pen );
 861
 862     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
 863     gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
 864     gs_lgp->gnome_print_stroke ( m_gpc);
 865
 866     CalcBoundingBox( x1, y1 );
 867     CalcBoundingBox( x2, y2 );
 868 }
 869
 870 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
 871 {
 872 }
 873
 874 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
 875 {
 876 }
 877
 878 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 879 {
 880 }
 881
 882 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
 883 {
 884 }
 885
 886 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 887 {
 888     if (m_pen.GetStyle() == wxTRANSPARENT) return;
 889
 890     if (n <= 0) return;
 891
 892     SetPen (m_pen);
 893
 894     int i;
 895     for ( i =0; i<n ; i++ )
 896         CalcBoundingBox( XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset));
 897
 898     gs_lgp->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
 899
 900     for (i = 1; i < n; i++)
 901         gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
 902
 903     gs_lgp->gnome_print_stroke ( m_gpc);
 904 }
 905
 906 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 907 {
 908 }
 909
 910 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
 911 {
 912 }
 913
 914 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 915 {
 916     if (m_brush.GetStyle () != wxTRANSPARENT)
 917     {
 918         SetBrush( m_brush );
 919
 920         gs_lgp->gnome_print_newpath( m_gpc );
 921         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
 922         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
 923         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
 924         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
 925         gs_lgp->gnome_print_closepath( m_gpc );
 926         gs_lgp->gnome_print_fill( m_gpc );
 927
 928         CalcBoundingBox( x, y );
 929         CalcBoundingBox( x + width, y + height );
 930     }
 931
 932     if (m_pen.GetStyle () != wxTRANSPARENT)
 933     {
 934         SetPen (m_pen);
 935
 936         gs_lgp->gnome_print_newpath( m_gpc );
 937         gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
 938         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
 939         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
 940         gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
 941         gs_lgp->gnome_print_closepath( m_gpc );
 942         gs_lgp->gnome_print_stroke( m_gpc );
 943
 944         CalcBoundingBox( x, y );
 945         CalcBoundingBox( x + width, y + height );
 946     }
 947 }
 948
 949 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
 950 {
 951 }
 952
 953 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 954 {
 955     if (m_brush.GetStyle () != wxTRANSPARENT)
 956     {
 957         SetBrush( m_brush );
 958
 959         gs_lgp->gnome_print_newpath( m_gpc );
 960         gs_lgp->gnome_print_moveto( m_gpc,
 961                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
 962
 963         // start with top half
 964         gs_lgp->gnome_print_curveto( m_gpc,
 965                             XLOG2DEV(x), YLOG2DEV(y),
 966                             XLOG2DEV(x+width), YLOG2DEV(y),
 967                             XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
 968         // lower half
 969         gs_lgp->gnome_print_curveto( m_gpc,
 970                             XLOG2DEV(x+width), YLOG2DEV(y+height),
 971                             XLOG2DEV(x), YLOG2DEV(y+height),
 972                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
 973
 974         gs_lgp->gnome_print_closepath( m_gpc );
 975         gs_lgp->gnome_print_fill( m_gpc );
 976
 977         CalcBoundingBox( x, y );
 978         CalcBoundingBox( x + width, y + height );
 979     }
 980
 981     if (m_pen.GetStyle () != wxTRANSPARENT)
 982     {
 983         SetPen (m_pen);
 984
 985         gs_lgp->gnome_print_newpath( m_gpc );
 986         gs_lgp->gnome_print_moveto( m_gpc,
 987                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
 988
 989         // start with top half
 990         gs_lgp->gnome_print_curveto( m_gpc,
 991                             XLOG2DEV(x), YLOG2DEV(y),
 992                             XLOG2DEV(x+width), YLOG2DEV(y),
 993                             XLOG2DEV(x+width), YLOG2DEV(y+height/2) );
 994         // lower half
 995         gs_lgp->gnome_print_curveto( m_gpc,
 996                             XLOG2DEV(x+width), YLOG2DEV(y+height),
 997                             XLOG2DEV(x), YLOG2DEV(y+height),
 998                             XLOG2DEV(x), YLOG2DEV(y+height/2) );
 999
1000         gs_lgp->gnome_print_closepath( m_gpc );
1001         gs_lgp->gnome_print_stroke( m_gpc );
1002
1003         CalcBoundingBox( x, y );
1004         CalcBoundingBox( x + width, y + height );
1005     }
1006 }
1007
1008 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1009 {
1010 }
1011
1012 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1013             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1014             wxCoord xsrcMask, wxCoord ysrcMask)
1015 {
1016     return false;
1017 }
1018
1019 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1020 {
1021     DoDrawBitmap( icon, x, y, true );
1022 }
1023
1024 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1025 {
1026     if (!bitmap.Ok()) return;
1027
1028     if (bitmap.HasPixbuf())
1029     {
1030         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1031             guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1032             bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1033             int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1034             int height = gdk_pixbuf_get_height( pixbuf );
1035             int width = gdk_pixbuf_get_width( pixbuf );
1036
1037         gs_lgp->gnome_print_gsave( m_gpc );
1038         double matrix[6];
1039         matrix[0] = XLOG2DEVREL(width);
1040         matrix[1] = 0;
1041         matrix[2] = 0;
1042         matrix[3] = YLOG2DEVREL(height);
1043         matrix[4] = XLOG2DEV(x);
1044         matrix[5] = YLOG2DEV(y+height);
1045         gs_lgp->gnome_print_concat( m_gpc, matrix );
1046             gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1047         if (has_alpha)
1048             gs_lgp->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1049         else
1050             gs_lgp->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1051         gs_lgp->gnome_print_grestore( m_gpc );
1052     }
1053     else
1054     {
1055         wxImage image = bitmap.ConvertToImage();
1056
1057         if (!image.Ok()) return;
1058
1059         gs_lgp->gnome_print_gsave( m_gpc );
1060         double matrix[6];
1061         matrix[0] = XLOG2DEVREL(image.GetWidth());
1062         matrix[1] = 0;
1063         matrix[2] = 0;
1064         matrix[3] = YLOG2DEVREL(image.GetHeight());
1065         matrix[4] = XLOG2DEV(x);
1066         matrix[5] = YLOG2DEV(y+image.GetHeight());
1067         gs_lgp->gnome_print_concat( m_gpc, matrix );
1068             gs_lgp->gnome_print_moveto(  m_gpc, 0, 0 );
1069         gs_lgp->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1070         gs_lgp->gnome_print_grestore( m_gpc );
1071     }
1072 }
1073
1074 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1075 {
1076     DoDrawRotatedText( text, x, y, 0.0 );
1077 }
1078
1079 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1080 {
1081     x = XLOG2DEV(x);
1082     y = YLOG2DEV(y);
1083
1084     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1085
1086 #if wxUSE_UNICODE
1087     const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1088 #else
1089     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
1090     if ( !wdata )
1091         return;
1092     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1093 #endif
1094
1095     size_t datalen = strlen((const char*)data);
1096     pango_layout_set_text( m_layout, (const char*) data, datalen);
1097
1098     if (underlined)
1099     {
1100         PangoAttrList *attrs = pango_attr_list_new();
1101         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1102         a->start_index = 0;
1103         a->end_index = datalen;
1104         pango_attr_list_insert(attrs, a);
1105         pango_layout_set_attributes(m_layout, attrs);
1106         pango_attr_list_unref(attrs);
1107     }
1108
1109     if (m_textForegroundColour.Ok())
1110     {
1111         unsigned char red = m_textForegroundColour.Red();
1112         unsigned char blue = m_textForegroundColour.Blue();
1113         unsigned char green = m_textForegroundColour.Green();
1114
1115         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1116         {
1117             double redPS = (double)(red) / 255.0;
1118             double bluePS = (double)(blue) / 255.0;
1119             double greenPS = (double)(green) / 255.0;
1120
1121             gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1122
1123             m_currentRed = red;
1124             m_currentBlue = blue;
1125             m_currentGreen = green;
1126         }
1127     }
1128
1129     int w,h;
1130
1131     if (fabs(m_scaleY - 1.0) > 0.00001)
1132     {
1133         // If there is a user or actually any scale applied to
1134         // the device context, scale the font.
1135
1136         // scale font description
1137         gint oldSize = pango_font_description_get_size( m_fontdesc );
1138         double size = oldSize;
1139         size = size * m_scaleY;
1140         pango_font_description_set_size( m_fontdesc, (gint)size );
1141
1142         // actually apply scaled font
1143         pango_layout_set_font_description( m_layout, m_fontdesc );
1144
1145         pango_layout_get_pixel_size( m_layout, &w, &h );
1146 #if 0
1147         if ( m_backgroundMode == wxSOLID )
1148         {
1149             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1150             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1151             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1152         }
1153 #endif
1154         // Draw layout.
1155         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1156         if (fabs(angle) > 0.00001)
1157         {
1158             gs_lgp->gnome_print_gsave( m_gpc );
1159             gs_lgp->gnome_print_rotate( m_gpc, angle );
1160             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1161             gs_lgp->gnome_print_grestore( m_gpc );
1162         }
1163         else
1164         {
1165             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1166         }
1167
1168         // reset unscaled size
1169         pango_font_description_set_size( m_fontdesc, oldSize );
1170
1171         // actually apply unscaled font
1172         pango_layout_set_font_description( m_layout, m_fontdesc );
1173     }
1174     else
1175     {
1176         pango_layout_get_pixel_size( m_layout, &w, &h );
1177 #if 0
1178         if ( m_backgroundMode == wxSOLID )
1179         {
1180             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1181             gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1182             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1183         }
1184 #endif
1185         // Draw layout.
1186         gs_lgp->gnome_print_moveto (m_gpc, x, y);
1187         if (fabs(angle) > 0.00001)
1188         {
1189             gs_lgp->gnome_print_gsave( m_gpc );
1190             gs_lgp->gnome_print_rotate( m_gpc, angle );
1191             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1192             gs_lgp->gnome_print_grestore( m_gpc );
1193         }
1194         else
1195         {
1196             gs_lgp->gnome_print_pango_layout( m_gpc, m_layout );
1197         }
1198     }
1199
1200     if (underlined)
1201     {
1202         // undo underline attributes setting:
1203         pango_layout_set_attributes(m_layout, NULL);
1204     }
1205
1206     CalcBoundingBox (x + w, y + h);
1207 }
1208
1209 void wxGnomePrintDC::Clear()
1210 {
1211 }
1212
1213 void wxGnomePrintDC::SetFont( const wxFont& font )
1214 {
1215     m_font = font;
1216
1217     if (m_font.Ok())
1218     {
1219         if (m_fontdesc)
1220             pango_font_description_free( m_fontdesc );
1221
1222         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1223
1224         pango_layout_set_font_description( m_layout, m_fontdesc );
1225     }
1226 }
1227
1228 void wxGnomePrintDC::SetPen( const wxPen& pen )
1229 {
1230     if (!pen.Ok()) return;
1231
1232     m_pen = pen;
1233
1234     gs_lgp->gnome_print_setlinewidth( m_gpc, XLOG2DEVREL( 1000 * m_pen.GetWidth() ) / 1000.0f );
1235
1236     static const double dotted[] =  {2.0, 5.0};
1237     static const double short_dashed[] = {4.0, 4.0};
1238     static const double wxCoord_dashed[] = {4.0, 8.0};
1239     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1240
1241     switch (m_pen.GetStyle())
1242     {
1243         case wxDOT:           gs_lgp->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1244         case wxSHORT_DASH:    gs_lgp->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1245         case wxLONG_DASH:     gs_lgp->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1246         case wxDOT_DASH:      gs_lgp->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1247         case wxSOLID:
1248         case wxTRANSPARENT:
1249         default:              gs_lgp->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1250     }
1251
1252
1253     unsigned char red = m_pen.GetColour().Red();
1254     unsigned char blue = m_pen.GetColour().Blue();
1255     unsigned char green = m_pen.GetColour().Green();
1256
1257     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1258     {
1259         double redPS = (double)(red) / 255.0;
1260         double bluePS = (double)(blue) / 255.0;
1261         double greenPS = (double)(green) / 255.0;
1262
1263         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1264
1265         m_currentRed = red;
1266         m_currentBlue = blue;
1267         m_currentGreen = green;
1268     }
1269 }
1270
1271 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1272 {
1273     if (!brush.Ok()) return;
1274
1275     m_brush = brush;
1276
1277     // Brush colour
1278     unsigned char red = m_brush.GetColour().Red();
1279     unsigned char blue = m_brush.GetColour().Blue();
1280     unsigned char green = m_brush.GetColour().Green();
1281
1282     if (!m_colour)
1283     {
1284         // Anything not white is black
1285         if (! (red == (unsigned char) 255 &&
1286                blue == (unsigned char) 255 &&
1287                green == (unsigned char) 255) )
1288         {
1289             red = (unsigned char) 0;
1290             green = (unsigned char) 0;
1291             blue = (unsigned char) 0;
1292         }
1293         // setgray here ?
1294     }
1295
1296     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1297     {
1298         double redPS = (double)(red) / 255.0;
1299         double bluePS = (double)(blue) / 255.0;
1300         double greenPS = (double)(green) / 255.0;
1301
1302         gs_lgp->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1303
1304         m_currentRed = red;
1305         m_currentBlue = blue;
1306         m_currentGreen = green;
1307     }
1308 }
1309
1310 void wxGnomePrintDC::SetLogicalFunction( int function )
1311 {
1312 }
1313
1314 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1315 {
1316 }
1317
1318 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1319 {
1320 }
1321
1322 void wxGnomePrintDC::DestroyClippingRegion()
1323 {
1324 }
1325
1326 bool wxGnomePrintDC::StartDoc(const wxString& message)
1327 {
1328     SetDeviceOrigin( 0,0 );
1329
1330     return true;
1331 }
1332
1333 void wxGnomePrintDC::EndDoc()
1334 {
1335     gs_lgp->gnome_print_end_doc( m_gpc );
1336 }
1337
1338 void wxGnomePrintDC::StartPage()
1339 {
1340         gs_lgp->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1341 }
1342
1343 void wxGnomePrintDC::EndPage()
1344 {
1345         gs_lgp->gnome_print_showpage( m_gpc );
1346 }
1347
1348 wxCoord wxGnomePrintDC::GetCharHeight() const
1349 {
1350     pango_layout_set_text( m_layout, "H", 1 );
1351
1352     int w,h;
1353     pango_layout_get_pixel_size( m_layout, &w, &h );
1354
1355     return h;
1356 }
1357
1358 wxCoord wxGnomePrintDC::GetCharWidth() const
1359 {
1360     pango_layout_set_text( m_layout, "H", 1 );
1361
1362     int w,h;
1363     pango_layout_get_pixel_size( m_layout, &w, &h );
1364
1365     return w;
1366 }
1367
1368 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1369                      wxCoord *descent,
1370                      wxCoord *externalLeading,
1371                      wxFont *theFont ) const
1372 {
1373     if ( width )
1374         *width = 0;
1375     if ( height )
1376         *height = 0;
1377     if ( descent )
1378         *descent = 0;
1379     if ( externalLeading )
1380         *externalLeading = 0;
1381
1382     if (string.IsEmpty())
1383     {
1384         return;
1385     }
1386
1387     // Set new font description
1388     if (theFont)
1389         pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
1390
1391     // Set layout's text
1392 #if wxUSE_UNICODE
1393     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1394     const char *dataUTF8 = (const char *)data;
1395 #else
1396     const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
1397     if ( !wdata )
1398     {
1399         if (width) (*width) = 0;
1400         if (height) (*height) = 0;
1401         return;
1402     }
1403     const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
1404     const char *dataUTF8 = (const char *)data;
1405 #endif
1406
1407     if ( !dataUTF8 )
1408     {
1409         // hardly ideal, but what else can we do if conversion failed?
1410         return;
1411     }
1412
1413     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1414
1415     int w,h;
1416     pango_layout_get_pixel_size( m_layout, &w, &h );
1417
1418     if (width)
1419         *width = (wxCoord)(w / m_scaleX);
1420     if (height)
1421         *height = (wxCoord)(h / m_scaleY);
1422     if (descent)
1423     {
1424         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1425         int baseline = pango_layout_iter_get_baseline(iter);
1426         pango_layout_iter_free(iter);
1427         *descent = h - PANGO_PIXELS(baseline);
1428     }
1429
1430     // Reset old font description
1431     if (theFont)
1432         pango_layout_set_font_description( m_layout, m_fontdesc );
1433 }
1434
1435 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1436 {
1437     wxGnomePrintNativeData *native =
1438       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1439
1440     // Query page size. This seems to omit the margins
1441     // right now, although it shouldn't
1442     double pw,ph;
1443     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1444
1445     if (width)
1446         *width = (int) (pw + 0.5);
1447     if (height)
1448         *height = (int) (ph + 0.5);
1449 }
1450
1451 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1452 {
1453     wxGnomePrintNativeData *native =
1454       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1455
1456     // This code assumes values in Pts.
1457
1458     double pw,ph;
1459     gs_lgp->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1460
1461     // Convert to mm.
1462
1463     const GnomePrintUnit *mm_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1464     const GnomePrintUnit *pts_unit = gs_lgp->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1465     gs_lgp->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1466     gs_lgp->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1467
1468     if (width)
1469         *width = (int) (pw + 0.5);
1470     if (height)
1471         *height = (int) (ph + 0.5);
1472 }
1473
1474 wxSize wxGnomePrintDC::GetPPI() const
1475 {
1476     return wxSize(72,72);
1477 }
1478
1479 void wxGnomePrintDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1480 {
1481     m_signX = (xLeftRight ? 1 : -1);
1482     m_signY = (yBottomUp  ? 1 : -1);
1483
1484     ComputeScaleAndOrigin();
1485 }
1486
1487 void wxGnomePrintDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1488 {
1489     int h = 0;
1490     int w = 0;
1491     GetSize( &w, &h );
1492
1493     wxDC::SetDeviceOrigin( x, h-y );
1494 }
1495
1496 void wxGnomePrintDC::SetResolution(int ppi)
1497 {
1498 }
1499
1500 int wxGnomePrintDC::GetResolution()
1501 {
1502     return 72;
1503 }
1504
1505
1506 class wxGnomePrintModule: public wxModule
1507 {
1508 public:
1509     wxGnomePrintModule() {}
1510     bool OnInit();
1511     void OnExit();
1512
1513 private:
1514     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
1515 };
1516
1517 bool wxGnomePrintModule::OnInit()
1518 {
1519     gs_lgp = new wxGnomePrintLibrary;
1520     if (gs_lgp->IsOk())
1521         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1522     return true;
1523 }
1524
1525 void wxGnomePrintModule::OnExit()
1526 {
1527     delete gs_lgp;
1528 }
1529
1530 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1531
1532 #endif
1533     // wxUSE_LIBGNOMEPRINT