src/gtk/gnome/gprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/gnome/gprint.cpp
   3 // Author:      Robert Roebling
   4 // Purpose:     Implement GNOME printing support
   5 // Created:     09/20/04
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_LIBGNOMEPRINT
  19
  20 #include "wx/gtk/gnome/gprint.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24     #include "wx/dcmemory.h"
  25     #include "wx/icon.h"
  26     #include "wx/math.h"
  27     #include "wx/image.h"
  28     #include "wx/module.h"
  29 #endif
  30
  31 #include "wx/fontutil.h"
  32 #include "wx/gtk/private.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35
  36 #include <libgnomeprint/gnome-print.h>
  37 #include <libgnomeprint/gnome-print-pango.h>
  38 #include <libgnomeprint/gnome-print-config.h>
  39 #include <libgnomeprintui/gnome-print-dialog.h>
  40 #include <libgnomeprintui/gnome-print-job-preview.h>
  41 #include <libgnomeprintui/gnome-print-paper-selector.h>
  42
  43 #include "wx/link.h"
  44 wxFORCE_LINK_THIS_MODULE(gnome_print)
  45
  46 //----------------------------------------------------------------------------
  47 // wxGnomePrintLibrary
  48 //----------------------------------------------------------------------------
  49
  50 class wxGnomePrintLibrary
  51 {
  52 public:
  53     wxGnomePrintLibrary();
  54     ~wxGnomePrintLibrary();
  55
  56     bool IsOk();
  57 private:
  58     bool InitializeMethods();
  59
  60     wxDynamicLibrary m_libGnomePrint;
  61     wxDynamicLibrary m_libGnomePrintUI;
  62
  63     // only true if we successfully loaded both libraries
  64     //
  65     // don't rename this field, it's used by wxDL_XXX macros internally
  66     bool m_ok;
  67
  68 public:
  69     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  70         (GnomePrintContext *pc), (pc), 0 )
  71     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  72         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  73     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  74         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  75     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  76         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  77     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  78         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  80         (GnomePrintContext *pc), (pc), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  82         (GnomePrintContext *pc), (pc), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  84         (GnomePrintContext *pc), (pc), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  86         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  88         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  90         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  91
  92     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  93         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  94     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  95         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  96
  97     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
  98         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
  99     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 100         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 101     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 102         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 103     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 104         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 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_clip,
 112         (GnomePrintContext *pc), (pc), 0 )
 113     wxDL_METHOD_DEFINE( gint, gnome_print_eoclip,
 114         (GnomePrintContext *pc), (pc), 0 )
 115
 116     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 117         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 118     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 119         (GnomePrintContext *pc), (pc), 0 )
 120     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 121         (GnomePrintContext *pc), (pc), 0 )
 122
 123     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 124         (GnomePrintContext *gpc), (gpc), NULL )
 125     wxDL_VOIDMETHOD_DEFINE( gnome_print_pango_layout,
 126         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout)  )
 127
 128     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 129         (GnomePrintConfig *config), (config), NULL )
 130     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 131         (GnomePrintJob *job), (job), NULL )
 132     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 133         (GnomePrintJob *job), (job), 0 )
 134     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 135         (GnomePrintJob *job), (job), 0 )
 136     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 137         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 138
 139     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 140         (const guchar *abbreviation), (abbreviation), NULL )
 141     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 142         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 143
 144     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 145         (void), (), NULL )
 146     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 147         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 148     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_double,
 149         (GnomePrintConfig *config, const guchar *key, gdouble value), (config, key, value), false )
 150     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_int,
 151         (GnomePrintConfig *config, const guchar *key, gint value), (config, key, value), false )
 152     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_boolean,
 153         (GnomePrintConfig *config, const guchar *key, gboolean value), (config, key, value), false )
 154     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_length,
 155         (GnomePrintConfig *config, const guchar *key, gdouble value, const GnomePrintUnit *unit), (config, key, value, unit), false )
 156
 157     wxDL_METHOD_DEFINE( guchar*, gnome_print_config_get,
 158         (GnomePrintConfig *config, const guchar *key), (config, key), NULL )
 159     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 160         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 161
 162     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 163         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 164     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_construct_range_page,
 165         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 166         const guchar *currentlabel, const guchar *rangelabel),
 167         (gpd, flags, start, end, currentlabel, rangelabel) )
 168     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_get_copies,
 169         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate)  )
 170     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_set_copies,
 171         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate)  )
 172     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 173         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 174     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 175         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 176
 177     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 178         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 179
 180     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 181         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 182
 183     DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
 184 };
 185
 186 wxGnomePrintLibrary::wxGnomePrintLibrary()
 187 {
 188     wxLogNull log;
 189
 190     m_libGnomePrint.Load("libgnomeprint-2-2.so.0");
 191     m_ok = m_libGnomePrint.IsLoaded();
 192     if ( !m_ok )
 193         return;
 194
 195     m_libGnomePrintUI.Load("libgnomeprintui-2-2.so.0");
 196     m_ok = m_libGnomePrintUI.IsLoaded();
 197     if ( !m_ok )
 198     {
 199         m_libGnomePrint.Unload();
 200         return;
 201     }
 202
 203     m_ok = InitializeMethods();
 204 }
 205
 206 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 207 {
 208 }
 209
 210 bool wxGnomePrintLibrary::IsOk()
 211 {
 212     return m_ok;
 213 }
 214
 215 bool wxGnomePrintLibrary::InitializeMethods()
 216 {
 217     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_newpath );
 218     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_moveto );
 219     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_lineto );
 220     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_curveto );
 221     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_arcto );
 222     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_closepath );
 223     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_stroke );
 224     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_fill );
 225     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setrgbcolor );
 226     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setlinewidth );
 227     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setdash );
 228
 229     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbimage );
 230     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbaimage );
 231
 232     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_concat );
 233     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_scale );
 234     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rotate );
 235     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_translate );
 236
 237     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_gsave );
 238     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_grestore );
 239
 240     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_clip );
 241     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_eoclip );
 242
 243     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_beginpage );
 244     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_showpage );
 245     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_end_doc );
 246
 247     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_create_layout );
 248     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_layout );
 249
 250     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_new );
 251     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_context );
 252     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_close );
 253     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_print );
 254     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_page_size );
 255
 256     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_unit_get_by_abbreviation );
 257     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_convert_distance );
 258
 259     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_default );
 260     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set );
 261     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_boolean );
 262     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_double );
 263     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_int );
 264     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_length );
 265
 266     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get );
 267     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_length );
 268
 269     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_new );
 270     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_construct_range_page );
 271     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_copies );
 272     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_set_copies );
 273     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range );
 274     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range_page );
 275
 276     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_paper_selector_new_with_flags );
 277
 278     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_job_preview_new );
 279
 280     return true;
 281 }
 282
 283 static wxGnomePrintLibrary* gs_libGnomePrint = NULL;
 284
 285 //----------------------------------------------------------------------------
 286 // wxGnomePrintNativeData
 287 //----------------------------------------------------------------------------
 288
 289 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 290
 291 wxGnomePrintNativeData::wxGnomePrintNativeData()
 292 {
 293     m_config = gs_libGnomePrint->gnome_print_config_default();
 294     m_job = gs_libGnomePrint->gnome_print_job_new( m_config );
 295 }
 296
 297 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 298 {
 299     g_object_unref (m_config);
 300 }
 301
 302 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 303 {
 304     guchar *res = gs_libGnomePrint->gnome_print_config_get( m_config,
 305             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION );
 306     if (g_ascii_strcasecmp((const gchar *)res,"R90") == 0)
 307         data.SetOrientation( wxLANDSCAPE );
 308     else
 309         data.SetOrientation( wxPORTRAIT );
 310     g_free( res );
 311
 312     return true;
 313 }
 314
 315 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 316 {
 317     if (data.GetOrientation() == wxLANDSCAPE)
 318     {
 319         gs_libGnomePrint->gnome_print_config_set( m_config,
 320             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 321             (guchar*)(char*)"R90" );
 322     }
 323     else
 324     {
 325         gs_libGnomePrint->gnome_print_config_set( m_config,
 326             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 327             (guchar*)(char*)"R0" );
 328     }
 329
 330     if (data.GetCollate())
 331     {
 332         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 333             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 334             TRUE );
 335     }
 336     else
 337     {
 338         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 339             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 340             FALSE );
 341     }
 342
 343     switch (data.GetPaperId())
 344     {
 345         case wxPAPER_A3:        gs_libGnomePrint->gnome_print_config_set( m_config,
 346                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 347                                     (guchar*)(char*)"A3" );
 348                                 break;
 349         case wxPAPER_A5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 350                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 351                                     (guchar*)(char*)"A5" );
 352                                 break;
 353         case wxPAPER_B4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 354                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 355                                     (guchar*)(char*)"B4" );
 356                                 break;
 357         case wxPAPER_B5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 358                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 359                                     (guchar*)(char*)"B5" );
 360                                 break;
 361         case wxPAPER_LETTER:        gs_libGnomePrint->gnome_print_config_set( m_config,
 362                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 363                                     (guchar*)(char*)"USLetter" );
 364                                 break;
 365         case wxPAPER_LEGAL:     gs_libGnomePrint->gnome_print_config_set( m_config,
 366                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 367                                     (guchar*)(char*)"USLegal" );
 368                                 break;
 369         case wxPAPER_EXECUTIVE: gs_libGnomePrint->gnome_print_config_set( m_config,
 370                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 371                                     (guchar*)(char*)"Executive" );
 372                                 break;
 373         case wxPAPER_ENV_C5:    gs_libGnomePrint->gnome_print_config_set( m_config,
 374                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 375                                     (guchar*)(char*)"C5" );
 376                                 break;
 377         case wxPAPER_ENV_C6:    gs_libGnomePrint->gnome_print_config_set( m_config,
 378                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 379                                     (guchar*)(char*)"C6" );
 380                                 break;
 381         case wxPAPER_NONE:      break;
 382
 383         default:
 384         case wxPAPER_A4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 385                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 386                                     (guchar*)(char*)"A4" );
 387                                 break;
 388     }
 389
 390     return true;
 391 }
 392
 393 //----------------------------------------------------------------------------
 394 // wxGnomePrintFactory
 395 //----------------------------------------------------------------------------
 396
 397 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 398 {
 399     return new wxGnomePrinter( data );
 400 }
 401
 402 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 403                                                     wxPrintout *printout,
 404                                                     wxPrintDialogData *data )
 405 {
 406     return new wxGnomePrintPreview( preview, printout, data );
 407 }
 408
 409 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 410                                                     wxPrintout *printout,
 411                                                     wxPrintData *data )
 412 {
 413     return new wxGnomePrintPreview( preview, printout, data );
 414 }
 415
 416 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 417                                                   wxPrintDialogData *data )
 418 {
 419     return new wxGnomePrintDialog( parent, data );
 420 }
 421
 422 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 423                                                   wxPrintData *data )
 424 {
 425     return new wxGnomePrintDialog( parent, data );
 426 }
 427
 428 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 429                                                           wxPageSetupDialogData * data )
 430 {
 431 //  The native page setup dialog is broken. It
 432 //  miscalculates newly entered values for the
 433 //  margins if you have not chose "points" but
 434 //  e.g. centimerters.
 435 //  This has been fixed in GNOME CVS (maybe
 436 //  fixed in libgnomeprintui 2.8.1)
 437
 438     return new wxGnomePageSetupDialog( parent, data );
 439 }
 440
 441 bool wxGnomePrintFactory::HasPrintSetupDialog()
 442 {
 443     return false;
 444 }
 445
 446 wxDialog *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 447 {
 448     return NULL;
 449 }
 450
 451 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 452 {
 453     return new wxGnomePrintDC(data);
 454 }
 455
 456 bool wxGnomePrintFactory::HasOwnPrintToFile()
 457 {
 458     return true;
 459 }
 460
 461 bool wxGnomePrintFactory::HasPrinterLine()
 462 {
 463     return true;
 464 }
 465
 466 wxString wxGnomePrintFactory::CreatePrinterLine()
 467 {
 468     // redundant now
 469     return wxEmptyString;
 470 }
 471
 472 bool wxGnomePrintFactory::HasStatusLine()
 473 {
 474     // redundant now
 475     return true;
 476 }
 477
 478 wxString wxGnomePrintFactory::CreateStatusLine()
 479 {
 480     // redundant now
 481     return wxEmptyString;
 482 }
 483
 484 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 485 {
 486     return new wxGnomePrintNativeData;
 487 }
 488
 489 //----------------------------------------------------------------------------
 490 // wxGnomePrintSetupDialog
 491 //----------------------------------------------------------------------------
 492
 493 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 494
 495 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 496                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 497                                wxPoint(0, 0), wxSize(600, 600),
 498                                wxDEFAULT_DIALOG_STYLE |
 499                                wxTAB_TRAVERSAL)
 500 {
 501     if (data)
 502         m_printDialogData = *data;
 503
 504     Init();
 505 }
 506
 507 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 508                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 509                                wxPoint(0, 0), wxSize(600, 600),
 510                                wxDEFAULT_DIALOG_STYLE |
 511                                wxTAB_TRAVERSAL)
 512 {
 513     if (data)
 514         m_printDialogData = *data;
 515
 516     Init();
 517 }
 518
 519 void wxGnomePrintDialog::Init()
 520 {
 521     wxPrintData data = m_printDialogData.GetPrintData();
 522
 523     data.ConvertToNative();
 524
 525     wxGnomePrintNativeData *native =
 526       (wxGnomePrintNativeData*) data.GetNativeData();
 527
 528     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 529                                        (guchar*)"Print",
 530                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 531
 532     int flag = 0;
 533     if (m_printDialogData.GetEnableSelection())
 534         flag |= GNOME_PRINT_RANGE_SELECTION;
 535     if (m_printDialogData.GetEnablePageNumbers())
 536         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 537
 538     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 539                                              flag,
 540                                              m_printDialogData.GetMinPage(),
 541                                              m_printDialogData.GetMaxPage(),
 542                                              NULL,
 543                                              NULL );
 544 }
 545
 546 wxGnomePrintDialog::~wxGnomePrintDialog()
 547 {
 548     m_widget = NULL;
 549 }
 550
 551 int wxGnomePrintDialog::ShowModal()
 552 {
 553     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 554
 555     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 556     {
 557         gtk_widget_destroy(m_widget);
 558         m_widget = NULL;
 559
 560         return wxID_CANCEL;
 561     }
 562
 563     m_printDialogData.GetPrintData().ConvertFromNative();
 564
 565     gint copies = 1;
 566     gboolean collate = false;
 567     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 568     m_printDialogData.SetNoCopies( copies );
 569     m_printDialogData.SetCollate( collate );
 570
 571     switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 572     {
 573         case GNOME_PRINT_RANGE_SELECTION:
 574             m_printDialogData.SetSelection( true );
 575             break;
 576         case GNOME_PRINT_RANGE_ALL:
 577             m_printDialogData.SetAllPages( true );
 578             m_printDialogData.SetFromPage( 0 );
 579             m_printDialogData.SetToPage( 9999 );
 580             break;
 581         case GNOME_PRINT_RANGE_RANGE:
 582         default:
 583             gint start,end;
 584             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 585             m_printDialogData.SetFromPage( start );
 586             m_printDialogData.SetToPage( end );
 587             break;
 588     }
 589
 590     gtk_widget_destroy(m_widget);
 591     m_widget = NULL;
 592
 593     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 594         return wxID_PREVIEW;
 595
 596     return wxID_OK;
 597 }
 598
 599 wxDC *wxGnomePrintDialog::GetPrintDC()
 600 {
 601     // Later
 602     return NULL;
 603 }
 604
 605 bool wxGnomePrintDialog::Validate()
 606 {
 607     return true;
 608 }
 609
 610 bool wxGnomePrintDialog::TransferDataToWindow()
 611 {
 612     return true;
 613 }
 614
 615 bool wxGnomePrintDialog::TransferDataFromWindow()
 616 {
 617     return true;
 618 }
 619
 620 //----------------------------------------------------------------------------
 621 // wxGnomePageSetupDialog
 622 //----------------------------------------------------------------------------
 623
 624 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 625
 626 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 627                             wxPageSetupDialogData* data )
 628 {
 629     if (data)
 630         m_pageDialogData = *data;
 631
 632     m_pageDialogData.GetPrintData().ConvertToNative();
 633
 634     wxGnomePrintNativeData *native =
 635       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 636
 637     // This *was* required as the page setup dialog
 638     // calculates wrong values otherwise.
 639 #if 0
 640     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 641                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 642                             (const guchar*) "Pts" );
 643 #endif
 644
 645     GnomePrintConfig *config = native->GetPrintConfig();
 646
 647     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 648
 649     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 650     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 651     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 652     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 653
 654     gs_libGnomePrint->gnome_print_config_set_length (config,
 655             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 656     gs_libGnomePrint->gnome_print_config_set_length (config,
 657             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 658     gs_libGnomePrint->gnome_print_config_set_length (config,
 659             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 660     gs_libGnomePrint->gnome_print_config_set_length (config,
 661             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 662
 663     m_widget = gtk_dialog_new();
 664
 665     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 666
 667     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 668         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 669     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 670     gtk_widget_show (main);
 671
 672     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 673
 674     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 675
 676     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 677                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 678                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 679                             NULL);
 680
 681     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 682                             GTK_RESPONSE_OK);
 683 }
 684
 685 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 686 {
 687 }
 688
 689 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 690 {
 691     return m_pageDialogData;
 692 }
 693
 694 int wxGnomePageSetupDialog::ShowModal()
 695 {
 696     wxGnomePrintNativeData *native =
 697       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 698
 699     GnomePrintConfig *config = native->GetPrintConfig();
 700
 701
 702     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 703
 704     if (ret == GTK_RESPONSE_OK)
 705     {
 706         // Transfer data back to m_pageDialogData
 707         m_pageDialogData.GetPrintData().ConvertFromNative();
 708
 709         // I don't know how querying the last parameter works
 710         double ml,mr,mt,mb,pw,ph;
 711         gs_libGnomePrint->gnome_print_config_get_length (config,
 712             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 713         gs_libGnomePrint->gnome_print_config_get_length (config,
 714             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 715         gs_libGnomePrint->gnome_print_config_get_length (config,
 716             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 717         gs_libGnomePrint->gnome_print_config_get_length (config,
 718             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 719         gs_libGnomePrint->gnome_print_config_get_length (config,
 720             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 721         gs_libGnomePrint->gnome_print_config_get_length (config,
 722             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 723
 724         // This code converts correctly from what the user chose
 725         // as the unit although I query Pts here
 726         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 727         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 728         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 729         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 730         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 731         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 732         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 733         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 734
 735         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 736         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 737
 738         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 739
 740         ret = wxID_OK;
 741     }
 742     else
 743     {
 744         ret = wxID_CANCEL;
 745     }
 746
 747     gtk_widget_destroy( m_widget );
 748     m_widget = NULL;
 749
 750     return ret;
 751 }
 752
 753 bool wxGnomePageSetupDialog::Validate()
 754 {
 755     return true;
 756 }
 757
 758 bool wxGnomePageSetupDialog::TransferDataToWindow()
 759 {
 760     return true;
 761 }
 762
 763 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 764 {
 765     return true;
 766 }
 767
 768 //----------------------------------------------------------------------------
 769 // wxGnomePrinter
 770 //----------------------------------------------------------------------------
 771
 772 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 773
 774 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 775     wxPrinterBase( data )
 776 {
 777     m_native_preview = false;
 778 }
 779
 780 wxGnomePrinter::~wxGnomePrinter()
 781 {
 782 }
 783
 784 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 785 {
 786     if (!printout)
 787     {
 788         sm_lastError = wxPRINTER_ERROR;
 789         return false;
 790     }
 791
 792     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 793
 794     wxGnomePrintNativeData *native =
 795         (wxGnomePrintNativeData*) printdata.GetNativeData();
 796
 797     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 798
 799     // The GnomePrintJob is temporarily stored in the
 800     // native print data as the native print dialog
 801     // needs to access it.
 802     native->SetPrintJob( job );
 803
 804
 805     printout->SetIsPreview(false);
 806
 807     if (m_printDialogData.GetMinPage() < 1)
 808         m_printDialogData.SetMinPage(1);
 809     if (m_printDialogData.GetMaxPage() < 1)
 810         m_printDialogData.SetMaxPage(9999);
 811
 812     wxDC *dc;
 813     if (prompt)
 814         dc = PrintDialog( parent );
 815     else
 816         dc = new wxGnomePrintDC( printdata );
 817
 818     if (m_native_preview)
 819         printout->SetIsPreview(true);
 820
 821     if (!dc)
 822     {
 823         gs_libGnomePrint->gnome_print_job_close( job );
 824         g_object_unref (job);
 825         if (sm_lastError != wxPRINTER_CANCELLED)
 826             sm_lastError = wxPRINTER_ERROR;
 827         return false;
 828     }
 829
 830     wxSize ScreenPixels = wxGetDisplaySize();
 831     wxSize ScreenMM = wxGetDisplaySizeMM();
 832
 833     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 834                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 835     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 836                              wxGnomePrintDC::GetResolution() );
 837
 838     printout->SetDC(dc);
 839
 840     int w, h;
 841     dc->GetSize(&w, &h);
 842     printout->SetPageSizePixels((int)w, (int)h);
 843     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 844     int mw, mh;
 845     dc->GetSizeMM(&mw, &mh);
 846     printout->SetPageSizeMM((int)mw, (int)mh);
 847     printout->OnPreparePrinting();
 848
 849     // Get some parameters from the printout, if defined
 850     int fromPage, toPage;
 851     int minPage, maxPage;
 852     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 853
 854     if (maxPage == 0)
 855     {
 856         gs_libGnomePrint->gnome_print_job_close( job );
 857         g_object_unref (job);
 858         sm_lastError = wxPRINTER_ERROR;
 859         return false;
 860     }
 861
 862     printout->OnBeginPrinting();
 863
 864     int minPageNum = minPage, maxPageNum = maxPage;
 865
 866     if ( !m_printDialogData.GetAllPages() )
 867     {
 868         minPageNum = m_printDialogData.GetFromPage();
 869         maxPageNum = m_printDialogData.GetToPage();
 870     }
 871
 872
 873     int copyCount;
 874     for ( copyCount = 1;
 875           copyCount <= m_printDialogData.GetNoCopies();
 876           copyCount++ )
 877     {
 878         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 879         {
 880             wxLogError(_("Could not start printing."));
 881             sm_lastError = wxPRINTER_ERROR;
 882             break;
 883         }
 884
 885         int pn;
 886         for ( pn = minPageNum;
 887               pn <= maxPageNum && printout->HasPage(pn);
 888               pn++ )
 889         {
 890             dc->StartPage();
 891             printout->OnPrintPage(pn);
 892             dc->EndPage();
 893         }
 894
 895         printout->OnEndDocument();
 896         printout->OnEndPrinting();
 897     }
 898
 899     gs_libGnomePrint->gnome_print_job_close( job );
 900     if (m_native_preview)
 901     {
 902         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 903         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 904                                      (
 905                                         job,
 906                                         (const guchar *)title.data()
 907                                      );
 908         gtk_widget_show(preview);
 909     }
 910     else
 911     {
 912         gs_libGnomePrint->gnome_print_job_print( job );
 913     }
 914
 915     g_object_unref (job);
 916     delete dc;
 917
 918     return (sm_lastError == wxPRINTER_NO_ERROR);
 919 }
 920
 921 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 922 {
 923     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 924     int ret = dialog.ShowModal();
 925     if (ret == wxID_CANCEL)
 926     {
 927         sm_lastError = wxPRINTER_CANCELLED;
 928         return NULL;
 929     }
 930
 931     m_native_preview = ret == wxID_PREVIEW;
 932
 933     m_printDialogData = dialog.GetPrintDialogData();
 934     return new wxGnomePrintDC( m_printDialogData.GetPrintData() );
 935 }
 936
 937 bool wxGnomePrinter::Setup( wxWindow *parent )
 938 {
 939     return false;
 940 }
 941
 942 //-----------------------------------------------------------------------------
 943 // wxGnomePrintDC
 944 //-----------------------------------------------------------------------------
 945
 946 // conversion
 947 static const double RAD2DEG  = 180.0 / M_PI;
 948
 949 // we don't want to use only 72 dpi from GNOME print
 950 static const int DPI = 600;
 951 static const double PS2DEV = 600.0 / 72.0;
 952 static const double DEV2PS = 72.0 / 600.0;
 953
 954 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 955 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 956 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 957 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
 958
 959 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 960
 961 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 962 {
 963     m_printData = data;
 964
 965     wxGnomePrintNativeData *native =
 966         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 967
 968     m_job = native->GetPrintJob();
 969     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
 970
 971     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
 972     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 973     m_context = NULL;
 974
 975     m_currentRed = 0;
 976     m_currentBlue = 0;
 977     m_currentGreen = 0;
 978
 979     // Query page size. This seems to omit the margins
 980     double pw,ph;
 981     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
 982
 983     m_pageHeight = ph * PS2DEV;
 984 }
 985
 986 wxGnomePrintDC::~wxGnomePrintDC()
 987 {
 988 }
 989
 990 bool wxGnomePrintDC::IsOk() const
 991 {
 992     return true;
 993 }
 994
 995 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
 996 {
 997     return false;
 998 }
 999
1000 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
1001 {
1002     return false;
1003 }
1004
1005 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1006 {
1007     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1008
1009     SetPen( m_pen );
1010
1011     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1012     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1013     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1014
1015     CalcBoundingBox( x1, y1 );
1016     CalcBoundingBox( x2, y2 );
1017 }
1018
1019 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
1020 {
1021 }
1022
1023 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1024 {
1025     double dx = x1 - xc;
1026     double dy = y1 - yc;
1027     double radius = sqrt((double)(dx*dx+dy*dy));
1028     double alpha1, alpha2;
1029     if (x1 == x2 && y1 == y2)
1030     {
1031         alpha1 = 0.0;
1032         alpha2 = 360.0;
1033     }
1034     else if ( wxIsNullDouble(radius) )
1035     {
1036         alpha1 =
1037         alpha2 = 0.0;
1038     }
1039     else
1040     {
1041         alpha1 = (x1 - xc == 0) ?
1042             (y1 - yc < 0) ? 90.0 : -90.0 :
1043             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1044         alpha2 = (x2 - xc == 0) ?
1045             (y2 - yc < 0) ? 90.0 : -90.0 :
1046             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1047
1048         while (alpha1 <= 0)   alpha1 += 360;
1049         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1050         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1051         while (alpha2 > 360)  alpha2 -= 360;
1052     }
1053
1054     if (m_brush.GetStyle() != wxTRANSPARENT)
1055     {
1056         SetBrush( m_brush );
1057         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1058         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1059
1060         gs_libGnomePrint->gnome_print_fill( m_gpc );
1061     }
1062
1063     if (m_pen.GetStyle() != wxTRANSPARENT)
1064     {
1065         SetPen (m_pen);
1066         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1067         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1068         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1069         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1070
1071         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1072     }
1073
1074     CalcBoundingBox (x1, y1);
1075     CalcBoundingBox (x2, y2);
1076     CalcBoundingBox (xc, yc);
1077 }
1078
1079 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1080 {
1081     x += w/2;
1082     y += h/2;
1083
1084     double xx = XLOG2DEV(x);
1085     double yy = YLOG2DEV(y);
1086
1087     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1088
1089     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1090     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1091     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1092
1093     xx = 0.0;
1094     yy = 0.0;
1095
1096     if (m_brush.GetStyle () != wxTRANSPARENT)
1097     {
1098         SetBrush( m_brush );
1099
1100         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1101         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1102             XLOG2DEVREL(w)/2, sa, ea, 0 );
1103         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1104
1105         gs_libGnomePrint->gnome_print_fill( m_gpc );
1106     }
1107
1108     if (m_pen.GetStyle () != wxTRANSPARENT)
1109     {
1110         SetPen (m_pen);
1111
1112         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1113             XLOG2DEVREL(w)/2, sa, ea, 0 );
1114
1115         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1116     }
1117
1118     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1119
1120     CalcBoundingBox( x, y );
1121     CalcBoundingBox( x+w, y+h );
1122 }
1123
1124 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1125 {
1126 }
1127
1128 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1129 {
1130     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1131
1132     if (n <= 0) return;
1133
1134     SetPen (m_pen);
1135
1136     int i;
1137     for ( i =0; i<n ; i++ )
1138         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1139
1140     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1141
1142     for (i = 1; i < n; i++)
1143         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1144
1145     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1146 }
1147
1148 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1149 {
1150     if (n==0) return;
1151
1152     if (m_brush.GetStyle () != wxTRANSPARENT)
1153     {
1154         SetBrush( m_brush );
1155
1156         int x = points[0].x + xoffset;
1157         int y = points[0].y + yoffset;
1158         CalcBoundingBox( x, y );
1159         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1160         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1161         int i;
1162         for (i = 1; i < n; i++)
1163         {
1164             x = points[i].x + xoffset;
1165             y = points[i].y + yoffset;
1166             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1167             CalcBoundingBox( x, y );
1168         }
1169         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1170         gs_libGnomePrint->gnome_print_fill( m_gpc );
1171     }
1172
1173     if (m_pen.GetStyle () != wxTRANSPARENT)
1174     {
1175         SetPen (m_pen);
1176
1177         int x = points[0].x + xoffset;
1178         int y = points[0].y + yoffset;
1179         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1180         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1181         int i;
1182         for (i = 1; i < n; i++)
1183         {
1184             x = points[i].x + xoffset;
1185             y = points[i].y + yoffset;
1186             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1187             CalcBoundingBox( x, y );
1188         }
1189         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1190         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1191     }
1192 }
1193
1194 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1195 {
1196     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1197 }
1198
1199 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1200 {
1201     width--;
1202     height--;
1203
1204     if (m_brush.GetStyle () != wxTRANSPARENT)
1205     {
1206         SetBrush( m_brush );
1207
1208         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1209         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1210         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1211         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1212         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1213         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1214         gs_libGnomePrint->gnome_print_fill( m_gpc );
1215
1216         CalcBoundingBox( x, y );
1217         CalcBoundingBox( x + width, y + height );
1218     }
1219
1220     if (m_pen.GetStyle () != wxTRANSPARENT)
1221     {
1222         SetPen (m_pen);
1223
1224         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1225         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1226         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1227         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1228         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1229         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1230         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1231
1232         CalcBoundingBox( x, y );
1233         CalcBoundingBox( x + width, y + height );
1234     }
1235 }
1236
1237 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1238 {
1239     width--;
1240     height--;
1241
1242     wxCoord rad = wxRound( radius );
1243
1244     if (m_brush.GetStyle() != wxTRANSPARENT)
1245     {
1246         SetBrush(m_brush);
1247         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1248         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1249         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1250                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1251                                     XLOG2DEV(x),YLOG2DEV(y),
1252                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1253         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1254         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1255                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1256                                     XLOG2DEV(x),YLOG2DEV(y + height),
1257                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1258         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1259         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1260                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1261                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1262                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1263         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1264         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1265                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1266                                     XLOG2DEV(x + width),YLOG2DEV(y),
1267                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1268         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1269         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1270         gs_libGnomePrint->gnome_print_fill(m_gpc);
1271
1272         CalcBoundingBox(x,y);
1273         CalcBoundingBox(x+width,y+height);
1274     }
1275
1276     if (m_pen.GetStyle() != wxTRANSPARENT)
1277     {
1278         SetPen(m_pen);
1279         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1280         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1281         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1282                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1283                                     XLOG2DEV(x),YLOG2DEV(y),
1284                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1285         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1286         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1287                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1288                                     XLOG2DEV(x),YLOG2DEV(y + height),
1289                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1290         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1291         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1292                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1293                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1294                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1295         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1296         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1297                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1298                                     XLOG2DEV(x + width),YLOG2DEV(y),
1299                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1300         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1301         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1302         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1303
1304         CalcBoundingBox(x,y);
1305         CalcBoundingBox(x+width,y+height);
1306     }
1307 }
1308
1309 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1310                                         wxCoord width, wxCoord height)
1311 {
1312     double r = 4 * (sqrt(2.) - 1) / 3;
1313     double  halfW = 0.5 * width,
1314             halfH = 0.5 * height,
1315             halfWR = r * halfW,
1316             halfHR = r * halfH;
1317     wxCoord halfWI = (wxCoord) halfW,
1318             halfHI = (wxCoord) halfH;
1319
1320     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1321
1322     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1323     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1324                 XLOG2DEV(x + width),
1325                 YLOG2DEV(y + halfHI) );
1326     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1327                 XLOG2DEV(x + width),
1328                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1329                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1330                 YLOG2DEV(y + height),
1331                 XLOG2DEV(x + halfWI),
1332                 YLOG2DEV(y + height) );
1333     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1334                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1335                 YLOG2DEV(y + height),
1336                 XLOG2DEV(x),
1337                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1338                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1339     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1340                 XLOG2DEV(x),
1341                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1342                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1343                 YLOG2DEV(y),
1344                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1345     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1346                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1347                 YLOG2DEV(y),
1348                 XLOG2DEV(x + width),
1349                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1350                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1351
1352     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1353 }
1354
1355 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1356 {
1357     width--;
1358     height--;
1359
1360     if (m_brush.GetStyle () != wxTRANSPARENT)
1361     {
1362         SetBrush( m_brush );
1363         makeEllipticalPath( x, y, width, height );
1364         gs_libGnomePrint->gnome_print_fill( m_gpc );
1365         CalcBoundingBox( x, y );
1366         CalcBoundingBox( x + width, y + height );
1367     }
1368
1369     if (m_pen.GetStyle () != wxTRANSPARENT)
1370     {
1371         SetPen (m_pen);
1372         makeEllipticalPath( x, y, width, height );
1373         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1374         CalcBoundingBox( x, y );
1375         CalcBoundingBox( x + width, y + height );
1376     }
1377 }
1378
1379 #if wxUSE_SPLINES
1380 void wxGnomePrintDC::DoDrawSpline(wxList *points)
1381 {
1382     SetPen (m_pen);
1383
1384     double c, d, x1, y1, x2, y2, x3, y3;
1385     wxPoint *p, *q;
1386
1387     wxList::compatibility_iterator node = points->GetFirst();
1388     p = (wxPoint *)node->GetData();
1389     x1 = p->x;
1390     y1 = p->y;
1391
1392     node = node->GetNext();
1393     p = (wxPoint *)node->GetData();
1394     c = p->x;
1395     d = p->y;
1396     x3 =
1397          (double)(x1 + c) / 2;
1398     y3 =
1399          (double)(y1 + d) / 2;
1400
1401     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1402     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1403     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1404
1405     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1406     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1407
1408     node = node->GetNext();
1409     while (node)
1410     {
1411         q = (wxPoint *)node->GetData();
1412
1413         x1 = x3;
1414         y1 = y3;
1415         x2 = c;
1416         y2 = d;
1417         c = q->x;
1418         d = q->y;
1419         x3 = (double)(x2 + c) / 2;
1420         y3 = (double)(y2 + d) / 2;
1421
1422         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1423             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1424             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1425             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1426
1427         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1428         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1429
1430         node = node->GetNext();
1431     }
1432
1433     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1434
1435     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1436 }
1437 #endif // wxUSE_SPLINES
1438
1439 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1440             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1441             wxCoord xsrcMask, wxCoord ysrcMask)
1442 {
1443     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1444
1445     // blit into a bitmap
1446     wxBitmap bitmap( width, height );
1447     wxMemoryDC memDC;
1448     memDC.SelectObject(bitmap);
1449     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1450     memDC.SelectObject(wxNullBitmap);
1451
1452     // draw bitmap. scaling and positioning is done there
1453     DrawBitmap( bitmap, xdest, ydest );
1454
1455     return true;
1456 }
1457
1458 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1459 {
1460     DoDrawBitmap( icon, x, y, true );
1461 }
1462
1463 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1464 {
1465     if (!bitmap.Ok()) return;
1466
1467     if (bitmap.HasPixbuf())
1468     {
1469         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1470         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1471         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1472         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1473         int height = gdk_pixbuf_get_height( pixbuf );
1474         int width = gdk_pixbuf_get_width( pixbuf );
1475
1476         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1477         double matrix[6];
1478         matrix[0] = XLOG2DEVREL(width);
1479         matrix[1] = 0;
1480         matrix[2] = 0;
1481         matrix[3] = YLOG2DEVREL(height);
1482         matrix[4] = XLOG2DEV(x);
1483         matrix[5] = YLOG2DEV(y+height);
1484         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1485         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1486         if (has_alpha)
1487             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1488         else
1489             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1490         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1491     }
1492     else
1493     {
1494         wxImage image = bitmap.ConvertToImage();
1495
1496         if (!image.Ok()) return;
1497
1498         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1499         double matrix[6];
1500         matrix[0] = XLOG2DEVREL(image.GetWidth());
1501         matrix[1] = 0;
1502         matrix[2] = 0;
1503         matrix[3] = YLOG2DEVREL(image.GetHeight());
1504         matrix[4] = XLOG2DEV(x);
1505         matrix[5] = YLOG2DEV(y+image.GetHeight());
1506         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1507         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1508         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1509         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1510     }
1511 }
1512
1513 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1514 {
1515     DoDrawRotatedText( text, x, y, 0.0 );
1516 }
1517
1518 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1519 {
1520     double xx = XLOG2DEV(x);
1521     double yy = YLOG2DEV(y);
1522
1523     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1524
1525     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1526 #if wxUSE_UNICODE_UTF8
1527     const char *data = text.utf8_str();
1528 #else
1529     const wxCharBuffer data = text.utf8_str();
1530 #endif
1531
1532     size_t datalen = strlen(data);
1533     pango_layout_set_text( m_layout, data, datalen);
1534
1535     if (underlined)
1536     {
1537         PangoAttrList *attrs = pango_attr_list_new();
1538         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1539         a->start_index = 0;
1540         a->end_index = datalen;
1541         pango_attr_list_insert(attrs, a);
1542         pango_layout_set_attributes(m_layout, attrs);
1543         pango_attr_list_unref(attrs);
1544     }
1545
1546     if (m_textForegroundColour.Ok())
1547     {
1548         unsigned char red = m_textForegroundColour.Red();
1549         unsigned char blue = m_textForegroundColour.Blue();
1550         unsigned char green = m_textForegroundColour.Green();
1551
1552         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1553         {
1554             double redPS = (double)(red) / 255.0;
1555             double bluePS = (double)(blue) / 255.0;
1556             double greenPS = (double)(green) / 255.0;
1557
1558             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1559
1560             m_currentRed = red;
1561             m_currentBlue = blue;
1562             m_currentGreen = green;
1563         }
1564     }
1565
1566     int w,h;
1567     pango_layout_get_pixel_size( m_layout, &w, &h );
1568 #if 0
1569         if ( m_backgroundMode == wxSOLID )
1570         {
1571             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1572             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1573             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1574         }
1575 #endif
1576
1577     // Draw layout.
1578     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1579
1580     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1581
1582     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1583
1584     if (fabs(angle) > 0.00001)
1585         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1586
1587     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1588
1589     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1590
1591     if (underlined)
1592     {
1593         // undo underline attributes setting:
1594         pango_layout_set_attributes(m_layout, NULL);
1595     }
1596
1597     CalcBoundingBox (x + w, y + h);
1598 }
1599
1600 void wxGnomePrintDC::Clear()
1601 {
1602 }
1603
1604 void wxGnomePrintDC::SetFont( const wxFont& font )
1605 {
1606     m_font = font;
1607
1608     if (m_font.Ok())
1609     {
1610         if (m_fontdesc)
1611             pango_font_description_free( m_fontdesc );
1612
1613         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1614
1615         pango_layout_set_font_description( m_layout, m_fontdesc );
1616     }
1617 }
1618
1619 void wxGnomePrintDC::SetPen( const wxPen& pen )
1620 {
1621     if (!pen.Ok()) return;
1622
1623     m_pen = pen;
1624
1625     double width;
1626
1627     if (m_pen.GetWidth() <= 0)
1628         width = 0.1;
1629     else
1630         width = (double) m_pen.GetWidth();
1631
1632     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1633
1634     static const double dotted[] =  {2.0, 5.0};
1635     static const double short_dashed[] = {4.0, 4.0};
1636     static const double wxCoord_dashed[] = {4.0, 8.0};
1637     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1638
1639     switch (m_pen.GetStyle())
1640     {
1641         case wxDOT:           gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1642         case wxSHORT_DASH:    gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1643         case wxLONG_DASH:     gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1644         case wxDOT_DASH:      gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1645         case wxUSER_DASH:
1646         {
1647             // It may be noted that libgnomeprint between at least
1648             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1649             // and then leak the memory since it doesn't set the
1650             // internal flag "privatedash" to 0.
1651             wxDash *wx_dashes;
1652             int num = m_pen.GetDashes (&wx_dashes);
1653             gdouble *g_dashes = g_new( gdouble, num );
1654             int i;
1655             for (i = 0; i < num; ++i)
1656                 g_dashes[i] = (gdouble) wx_dashes[i];
1657             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1658             g_free( g_dashes );
1659         }
1660         break;
1661         case wxSOLID:
1662         case wxTRANSPARENT:
1663         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1664     }
1665
1666
1667     unsigned char red = m_pen.GetColour().Red();
1668     unsigned char blue = m_pen.GetColour().Blue();
1669     unsigned char green = m_pen.GetColour().Green();
1670
1671     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1672     {
1673         double redPS = (double)(red) / 255.0;
1674         double bluePS = (double)(blue) / 255.0;
1675         double greenPS = (double)(green) / 255.0;
1676
1677         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1678
1679         m_currentRed = red;
1680         m_currentBlue = blue;
1681         m_currentGreen = green;
1682     }
1683 }
1684
1685 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1686 {
1687     if (!brush.Ok()) return;
1688
1689     m_brush = brush;
1690
1691     // Brush colour
1692     unsigned char red = m_brush.GetColour().Red();
1693     unsigned char blue = m_brush.GetColour().Blue();
1694     unsigned char green = m_brush.GetColour().Green();
1695
1696     if (!m_colour)
1697     {
1698         // Anything not white is black
1699         if (! (red == (unsigned char) 255 &&
1700                blue == (unsigned char) 255 &&
1701                green == (unsigned char) 255) )
1702         {
1703             red = (unsigned char) 0;
1704             green = (unsigned char) 0;
1705             blue = (unsigned char) 0;
1706         }
1707         // setgray here ?
1708     }
1709
1710     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1711     {
1712         double redPS = (double)(red) / 255.0;
1713         double bluePS = (double)(blue) / 255.0;
1714         double greenPS = (double)(green) / 255.0;
1715
1716         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1717
1718         m_currentRed = red;
1719         m_currentBlue = blue;
1720         m_currentGreen = green;
1721     }
1722 }
1723
1724 void wxGnomePrintDC::SetLogicalFunction( int function )
1725 {
1726 }
1727
1728 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1729 {
1730 }
1731
1732 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1733 {
1734     wxDC::DoSetClippingRegion( x, y, width, height );
1735
1736     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1737
1738     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1739     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1740     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1741     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1742     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1743     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1744     gs_libGnomePrint->gnome_print_clip( m_gpc );
1745 }
1746
1747 void wxGnomePrintDC::DestroyClippingRegion()
1748 {
1749     wxDC::DestroyClippingRegion();
1750
1751     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1752
1753 #if 0
1754     // not needed, we set the values in each
1755     // drawing method anyways
1756     SetPen( m_pen );
1757     SetBrush( m_brush );
1758     SetFont( m_font );
1759 #endif
1760 }
1761
1762 bool wxGnomePrintDC::StartDoc(const wxString& message)
1763 {
1764     return true;
1765 }
1766
1767 void wxGnomePrintDC::EndDoc()
1768 {
1769     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1770 }
1771
1772 void wxGnomePrintDC::StartPage()
1773 {
1774     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1775 }
1776
1777 void wxGnomePrintDC::EndPage()
1778 {
1779     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1780 }
1781
1782 wxCoord wxGnomePrintDC::GetCharHeight() const
1783 {
1784     pango_layout_set_text( m_layout, "H", 1 );
1785
1786     int w,h;
1787     pango_layout_get_pixel_size( m_layout, &w, &h );
1788
1789     return h;
1790 }
1791
1792 wxCoord wxGnomePrintDC::GetCharWidth() const
1793 {
1794     pango_layout_set_text( m_layout, "H", 1 );
1795
1796     int w,h;
1797     pango_layout_get_pixel_size( m_layout, &w, &h );
1798
1799     return w;
1800 }
1801
1802 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1803                      wxCoord *descent,
1804                      wxCoord *externalLeading,
1805                      const wxFont *theFont ) const
1806 {
1807     if ( width )
1808         *width = 0;
1809     if ( height )
1810         *height = 0;
1811     if ( descent )
1812         *descent = 0;
1813     if ( externalLeading )
1814         *externalLeading = 0;
1815
1816     if (string.empty())
1817     {
1818         return;
1819     }
1820
1821     // Set layout's text
1822
1823     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1824 #if wxUSE_UNICODE_UTF8
1825     const char *dataUTF8 = string.utf8_str();
1826 #else
1827     const wxCharBuffer dataUTF8 = string.utf8_str();
1828 #endif
1829
1830     PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
1831
1832     gint oldSize = pango_font_description_get_size( desc );
1833     double size = oldSize;
1834     size = size * m_scaleY;
1835     pango_font_description_set_size( desc, (gint)size );
1836
1837     // apply scaled font
1838     pango_layout_set_font_description( m_layout, desc );
1839
1840     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1841
1842     int w, h;
1843     pango_layout_get_pixel_size( m_layout, &w, &h );
1844
1845
1846     if (width)
1847         *width = (wxCoord)(w / m_scaleX);
1848     if (height)
1849         *height = (wxCoord)(h / m_scaleY);
1850
1851     if (descent)
1852     {
1853         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1854         int baseline = pango_layout_iter_get_baseline(iter);
1855         pango_layout_iter_free(iter);
1856         *descent = h - PANGO_PIXELS(baseline);
1857     }
1858
1859     // reset unscaled size
1860     pango_font_description_set_size( desc, oldSize );
1861
1862     // reset unscaled font
1863     pango_layout_set_font_description( m_layout, m_fontdesc );
1864 }
1865
1866 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1867 {
1868     wxGnomePrintNativeData *native =
1869       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1870
1871     // Query page size. This seems to omit the margins
1872     double pw,ph;
1873     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1874
1875     if (width)
1876         *width = wxRound( pw * PS2DEV );
1877
1878     if (height)
1879         *height = wxRound( ph * PS2DEV );
1880 }
1881
1882 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1883 {
1884     wxGnomePrintNativeData *native =
1885       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1886
1887     // This code assumes values in Pts.
1888
1889     double pw,ph;
1890     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1891
1892     // Convert to mm.
1893
1894     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1895     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1896     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1897     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1898
1899     if (width)
1900         *width = (int) (pw + 0.5);
1901     if (height)
1902         *height = (int) (ph + 0.5);
1903 }
1904
1905 wxSize wxGnomePrintDC::GetPPI() const
1906 {
1907     return wxSize(DPI,DPI);
1908 }
1909
1910 void wxGnomePrintDC::SetPrintData(const wxPrintData& data)
1911 {
1912     m_printData = data;
1913
1914     int height;
1915     if (m_printData.GetOrientation() == wxPORTRAIT)
1916         GetSize( NULL, &height );
1917     else
1918         GetSize( &height, NULL );
1919     m_deviceLocalOriginY = height;
1920 }
1921
1922 void wxGnomePrintDC::SetResolution(int ppi)
1923 {
1924 }
1925
1926 int wxGnomePrintDC::GetResolution()
1927 {
1928     return DPI;
1929 }
1930
1931 // ----------------------------------------------------------------------------
1932 // wxGnomePrintModule
1933 // ----------------------------------------------------------------------------
1934
1935 bool wxGnomePrintModule::OnInit()
1936 {
1937     gs_libGnomePrint = new wxGnomePrintLibrary;
1938     if (gs_libGnomePrint->IsOk())
1939         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1940     return true;
1941 }
1942
1943 void wxGnomePrintModule::OnExit()
1944 {
1945     delete gs_libGnomePrint;
1946     gs_libGnomePrint = NULL;
1947 }
1948
1949 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1950
1951 // ----------------------------------------------------------------------------
1952 // Print preview
1953 // ----------------------------------------------------------------------------
1954
1955 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
1956
1957 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
1958                                     wxPrintout * WXUNUSED(printoutForPrinting))
1959 {
1960     DetermineScaling();
1961 }
1962
1963 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1964                                                    wxPrintout *printoutForPrinting,
1965                                                    wxPrintDialogData *data)
1966                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1967 {
1968     Init(printout, printoutForPrinting);
1969 }
1970
1971 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1972                                                    wxPrintout *printoutForPrinting,
1973                                                    wxPrintData *data)
1974                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1975 {
1976     Init(printout, printoutForPrinting);
1977 }
1978
1979 wxGnomePrintPreview::~wxGnomePrintPreview()
1980 {
1981 }
1982
1983 bool wxGnomePrintPreview::Print(bool interactive)
1984 {
1985     if (!m_printPrintout)
1986         return false;
1987
1988     wxPrinter printer(& m_printDialogData);
1989     return printer.Print(m_previewFrame, m_printPrintout, interactive);
1990 }
1991
1992 void wxGnomePrintPreview::DetermineScaling()
1993 {
1994     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
1995     if (paperType == wxPAPER_NONE)
1996         paperType = wxPAPER_NONE;
1997
1998     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
1999     if (!paper)
2000         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2001
2002     if (paper)
2003     {
2004         wxSize ScreenPixels = wxGetDisplaySize();
2005         wxSize ScreenMM = wxGetDisplaySizeMM();
2006
2007         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2008                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2009         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
2010
2011         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2012
2013         // TODO: get better resolution information from wxGnomePrintDC, if possible.
2014
2015         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
2016         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
2017         wxSize sizeTenthsMM(paper->GetSize());
2018         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2019
2020         // If in landscape mode, we need to swap the width and height.
2021         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2022         {
2023             m_pageWidth = sizeDevUnits.y;
2024             m_pageHeight = sizeDevUnits.x;
2025             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2026         }
2027         else
2028         {
2029             m_pageWidth = sizeDevUnits.x;
2030             m_pageHeight = sizeDevUnits.y;
2031             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2032         }
2033         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2034         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2035
2036         // At 100%, the page should look about page-size on the screen.
2037         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
2038         m_previewScaleY = m_previewScaleX;
2039     }
2040 }
2041
2042 #endif
2043     // wxUSE_LIBGNOMEPRINT