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     #include "wx/crt.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/gtk/private.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36
  37 #include <libgnomeprint/gnome-print.h>
  38 #include <libgnomeprint/gnome-print-pango.h>
  39 #include <libgnomeprint/gnome-print-config.h>
  40 #include <libgnomeprintui/gnome-print-dialog.h>
  41 #include <libgnomeprintui/gnome-print-job-preview.h>
  42 #include <libgnomeprintui/gnome-print-paper-selector.h>
  43
  44 #include "wx/link.h"
  45 wxFORCE_LINK_THIS_MODULE(gnome_print)
  46
  47 //----------------------------------------------------------------------------
  48 // wxGnomePrintLibrary
  49 //----------------------------------------------------------------------------
  50
  51 class wxGnomePrintLibrary
  52 {
  53 public:
  54     wxGnomePrintLibrary();
  55     ~wxGnomePrintLibrary();
  56
  57     bool IsOk();
  58 private:
  59     bool InitializeMethods();
  60
  61     wxDynamicLibrary m_libGnomePrint;
  62     wxDynamicLibrary m_libGnomePrintUI;
  63
  64     // only true if we successfully loaded both libraries
  65     //
  66     // don't rename this field, it's used by wxDL_XXX macros internally
  67     bool m_ok;
  68
  69 public:
  70     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  71         (GnomePrintContext *pc), (pc), 0 )
  72     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  73         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  74     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  75         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  76     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  77         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  78     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  79         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  80     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  81         (GnomePrintContext *pc), (pc), 0 )
  82     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  83         (GnomePrintContext *pc), (pc), 0 )
  84     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  85         (GnomePrintContext *pc), (pc), 0 )
  86     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  87         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  88     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  89         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  90     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  91         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  92
  93     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  94         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  95     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  96         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  97
  98     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
  99         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 100     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 101         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 102     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 103         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 104     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 105         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 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_clip,
 113         (GnomePrintContext *pc), (pc), 0 )
 114     wxDL_METHOD_DEFINE( gint, gnome_print_eoclip,
 115         (GnomePrintContext *pc), (pc), 0 )
 116
 117     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 118         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 119     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 120         (GnomePrintContext *pc), (pc), 0 )
 121     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 122         (GnomePrintContext *pc), (pc), 0 )
 123
 124     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 125         (GnomePrintContext *gpc), (gpc), NULL )
 126     wxDL_VOIDMETHOD_DEFINE( gnome_print_pango_layout,
 127         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout)  )
 128
 129     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 130         (GnomePrintConfig *config), (config), NULL )
 131     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 132         (GnomePrintJob *job), (job), NULL )
 133     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 134         (GnomePrintJob *job), (job), 0 )
 135     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 136         (GnomePrintJob *job), (job), 0 )
 137     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 138         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 139
 140     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 141         (const guchar *abbreviation), (abbreviation), NULL )
 142     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 143         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 144
 145     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 146         (void), (), NULL )
 147     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 148         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 149     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_double,
 150         (GnomePrintConfig *config, const guchar *key, gdouble value), (config, key, value), false )
 151     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_int,
 152         (GnomePrintConfig *config, const guchar *key, gint value), (config, key, value), false )
 153     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_boolean,
 154         (GnomePrintConfig *config, const guchar *key, gboolean value), (config, key, value), false )
 155     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_length,
 156         (GnomePrintConfig *config, const guchar *key, gdouble value, const GnomePrintUnit *unit), (config, key, value, unit), false )
 157
 158     wxDL_METHOD_DEFINE( guchar*, gnome_print_config_get,
 159         (GnomePrintConfig *config, const guchar *key), (config, key), NULL )
 160     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 161         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 162     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_boolean,
 163         (GnomePrintConfig *config, const guchar *key, gboolean *val), (config, key, val), false )
 164
 165     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 166         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 167     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_construct_range_page,
 168         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 169         const guchar *currentlabel, const guchar *rangelabel),
 170         (gpd, flags, start, end, currentlabel, rangelabel) )
 171     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_get_copies,
 172         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate)  )
 173     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_set_copies,
 174         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate)  )
 175     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 176         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 177     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 178         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 179
 180     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 181         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 182
 183     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 184         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 185
 186     DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
 187 };
 188
 189 wxGnomePrintLibrary::wxGnomePrintLibrary()
 190 {
 191     wxLogNull log;
 192
 193     m_libGnomePrint.Load("libgnomeprint-2-2.so.0");
 194     m_ok = m_libGnomePrint.IsLoaded();
 195     if ( !m_ok )
 196         return;
 197
 198     m_libGnomePrintUI.Load("libgnomeprintui-2-2.so.0");
 199     m_ok = m_libGnomePrintUI.IsLoaded();
 200     if ( !m_ok )
 201     {
 202         m_libGnomePrint.Unload();
 203         return;
 204     }
 205
 206     m_ok = InitializeMethods();
 207 }
 208
 209 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 210 {
 211 }
 212
 213 bool wxGnomePrintLibrary::IsOk()
 214 {
 215     return m_ok;
 216 }
 217
 218 bool wxGnomePrintLibrary::InitializeMethods()
 219 {
 220     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_newpath );
 221     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_moveto );
 222     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_lineto );
 223     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_curveto );
 224     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_arcto );
 225     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_closepath );
 226     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_stroke );
 227     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_fill );
 228     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setrgbcolor );
 229     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setlinewidth );
 230     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setdash );
 231
 232     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbimage );
 233     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbaimage );
 234
 235     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_concat );
 236     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_scale );
 237     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rotate );
 238     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_translate );
 239
 240     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_gsave );
 241     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_grestore );
 242
 243     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_clip );
 244     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_eoclip );
 245
 246     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_beginpage );
 247     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_showpage );
 248     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_end_doc );
 249
 250     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_create_layout );
 251     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_layout );
 252
 253     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_new );
 254     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_context );
 255     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_close );
 256     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_print );
 257     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_page_size );
 258
 259     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_unit_get_by_abbreviation );
 260     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_convert_distance );
 261
 262     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_default );
 263     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set );
 264     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_boolean );
 265     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_double );
 266     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_int );
 267     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_length );
 268
 269     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get );
 270     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_length );
 271     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_boolean );
 272
 273     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_new );
 274     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_construct_range_page );
 275     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_copies );
 276     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_set_copies );
 277     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range );
 278     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range_page );
 279
 280     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_paper_selector_new_with_flags );
 281
 282     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_job_preview_new );
 283
 284     return true;
 285 }
 286
 287 static wxGnomePrintLibrary* gs_libGnomePrint = NULL;
 288
 289 //----------------------------------------------------------------------------
 290 // wxGnomePrintNativeData
 291 //----------------------------------------------------------------------------
 292
 293 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 294
 295 wxGnomePrintNativeData::wxGnomePrintNativeData()
 296 {
 297     m_config = gs_libGnomePrint->gnome_print_config_default();
 298     m_job = gs_libGnomePrint->gnome_print_job_new( m_config );
 299 }
 300
 301 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 302 {
 303     g_object_unref (m_config);
 304 }
 305
 306 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 307 {
 308     guchar *res = gs_libGnomePrint->gnome_print_config_get( m_config,
 309             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION );
 310     if (g_ascii_strcasecmp((const gchar *)res,"R90") == 0)
 311         data.SetOrientation( wxLANDSCAPE );
 312     else
 313         data.SetOrientation( wxPORTRAIT );
 314     g_free( res );
 315
 316     res = gs_libGnomePrint->gnome_print_config_get( m_config,
 317             (guchar*)(char*)GNOME_PRINT_KEY_OUTPUT_FILENAME );
 318     if (res)
 319     {
 320         data.SetFilename( wxConvFile.cMB2WX( (const char*) res ) );
 321         wxPrintf( "filename %s\n", data.GetFilename() );
 322         g_free( res );
 323     }
 324     else
 325     {
 326         data.SetFilename( wxEmptyString );
 327     }
 328
 329     gboolean ret;
 330     if (gs_libGnomePrint->gnome_print_config_get_boolean( m_config,
 331             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE, &ret))
 332     {
 333         data.SetCollate( ret );
 334     }
 335
 336     // gnome_print_v
 337
 338     return true;
 339 }
 340
 341 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 342 {
 343     if (data.GetOrientation() == wxLANDSCAPE)
 344     {
 345         gs_libGnomePrint->gnome_print_config_set( m_config,
 346             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 347             (guchar*)(char*)"R90" );
 348     }
 349     else
 350     {
 351         gs_libGnomePrint->gnome_print_config_set( m_config,
 352             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 353             (guchar*)(char*)"R0" );
 354     }
 355
 356     if (data.GetCollate())
 357     {
 358         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 359             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 360             TRUE );
 361     }
 362     else
 363     {
 364         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 365             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 366             FALSE );
 367     }
 368
 369     switch (data.GetPaperId())
 370     {
 371         case wxPAPER_A3:        gs_libGnomePrint->gnome_print_config_set( m_config,
 372                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 373                                     (guchar*)(char*)"A3" );
 374                                 break;
 375         case wxPAPER_A5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 376                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 377                                     (guchar*)(char*)"A5" );
 378                                 break;
 379         case wxPAPER_B4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 380                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 381                                     (guchar*)(char*)"B4" );
 382                                 break;
 383         case wxPAPER_B5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 384                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 385                                     (guchar*)(char*)"B5" );
 386                                 break;
 387         case wxPAPER_LETTER:        gs_libGnomePrint->gnome_print_config_set( m_config,
 388                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 389                                     (guchar*)(char*)"USLetter" );
 390                                 break;
 391         case wxPAPER_LEGAL:     gs_libGnomePrint->gnome_print_config_set( m_config,
 392                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 393                                     (guchar*)(char*)"USLegal" );
 394                                 break;
 395         case wxPAPER_EXECUTIVE: gs_libGnomePrint->gnome_print_config_set( m_config,
 396                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 397                                     (guchar*)(char*)"Executive" );
 398                                 break;
 399         case wxPAPER_ENV_C5:    gs_libGnomePrint->gnome_print_config_set( m_config,
 400                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 401                                     (guchar*)(char*)"C5" );
 402                                 break;
 403         case wxPAPER_ENV_C6:    gs_libGnomePrint->gnome_print_config_set( m_config,
 404                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 405                                     (guchar*)(char*)"C6" );
 406                                 break;
 407         case wxPAPER_NONE:      break;
 408
 409         default:
 410         case wxPAPER_A4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 411                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 412                                     (guchar*)(char*)"A4" );
 413                                 break;
 414     }
 415
 416     return true;
 417 }
 418
 419 //----------------------------------------------------------------------------
 420 // wxGnomePrintFactory
 421 //----------------------------------------------------------------------------
 422
 423 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 424 {
 425     return new wxGnomePrinter( data );
 426 }
 427
 428 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 429                                                     wxPrintout *printout,
 430                                                     wxPrintDialogData *data )
 431 {
 432     return new wxGnomePrintPreview( preview, printout, data );
 433 }
 434
 435 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 436                                                     wxPrintout *printout,
 437                                                     wxPrintData *data )
 438 {
 439     return new wxGnomePrintPreview( preview, printout, data );
 440 }
 441
 442 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 443                                                   wxPrintDialogData *data )
 444 {
 445     return new wxGnomePrintDialog( parent, data );
 446 }
 447
 448 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 449                                                   wxPrintData *data )
 450 {
 451     return new wxGnomePrintDialog( parent, data );
 452 }
 453
 454 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 455                                                           wxPageSetupDialogData * data )
 456 {
 457 //  The native page setup dialog is broken. It
 458 //  miscalculates newly entered values for the
 459 //  margins if you have not chose "points" but
 460 //  e.g. centimerters.
 461 //  This has been fixed in GNOME CVS (maybe
 462 //  fixed in libgnomeprintui 2.8.1)
 463
 464     return new wxGnomePageSetupDialog( parent, data );
 465 }
 466
 467 bool wxGnomePrintFactory::HasPrintSetupDialog()
 468 {
 469     return false;
 470 }
 471
 472 wxDialog *
 473 wxGnomePrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 474                                             wxPrintData * WXUNUSED(data))
 475 {
 476     return NULL;
 477 }
 478
 479 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 480 {
 481     return new wxGnomePrinterDC(data);
 482 }
 483
 484 bool wxGnomePrintFactory::HasOwnPrintToFile()
 485 {
 486     return true;
 487 }
 488
 489 bool wxGnomePrintFactory::HasPrinterLine()
 490 {
 491     return true;
 492 }
 493
 494 wxString wxGnomePrintFactory::CreatePrinterLine()
 495 {
 496     // redundant now
 497     return wxEmptyString;
 498 }
 499
 500 bool wxGnomePrintFactory::HasStatusLine()
 501 {
 502     // redundant now
 503     return true;
 504 }
 505
 506 wxString wxGnomePrintFactory::CreateStatusLine()
 507 {
 508     // redundant now
 509     return wxEmptyString;
 510 }
 511
 512 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 513 {
 514     return new wxGnomePrintNativeData;
 515 }
 516
 517 //----------------------------------------------------------------------------
 518 // wxGnomePrintSetupDialog
 519 //----------------------------------------------------------------------------
 520
 521 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 522
 523 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 524                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 525                                wxPoint(0, 0), wxSize(600, 600),
 526                                wxDEFAULT_DIALOG_STYLE |
 527                                wxTAB_TRAVERSAL)
 528 {
 529     if (data)
 530         m_printDialogData = *data;
 531
 532     Init();
 533 }
 534
 535 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 536                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 537                                wxPoint(0, 0), wxSize(600, 600),
 538                                wxDEFAULT_DIALOG_STYLE |
 539                                wxTAB_TRAVERSAL)
 540 {
 541     if (data)
 542         m_printDialogData = *data;
 543
 544     Init();
 545 }
 546
 547 void wxGnomePrintDialog::Init()
 548 {
 549     wxPrintData data = m_printDialogData.GetPrintData();
 550
 551     data.ConvertToNative();
 552
 553     wxGnomePrintNativeData *native =
 554       (wxGnomePrintNativeData*) data.GetNativeData();
 555
 556     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 557                                        (guchar*)"Print",
 558                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 559
 560     int flag = 0;
 561     if (m_printDialogData.GetEnableSelection())
 562         flag |= GNOME_PRINT_RANGE_SELECTION;
 563     if (m_printDialogData.GetEnablePageNumbers())
 564         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 565
 566     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 567                                              flag,
 568                                              m_printDialogData.GetMinPage(),
 569                                              m_printDialogData.GetMaxPage(),
 570                                              NULL,
 571                                              NULL );
 572 }
 573
 574 wxGnomePrintDialog::~wxGnomePrintDialog()
 575 {
 576     m_widget = NULL;
 577 }
 578
 579 int wxGnomePrintDialog::ShowModal()
 580 {
 581     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 582
 583     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 584     {
 585         gtk_widget_destroy(m_widget);
 586         m_widget = NULL;
 587
 588         return wxID_CANCEL;
 589     }
 590
 591     m_printDialogData.GetPrintData().ConvertFromNative();
 592
 593     gint copies = 1;
 594     gboolean collate = false;
 595     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 596     m_printDialogData.SetNoCopies( copies );
 597     m_printDialogData.SetCollate( collate );
 598
 599     switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 600     {
 601         case GNOME_PRINT_RANGE_SELECTION:
 602             m_printDialogData.SetSelection( true );
 603             break;
 604         case GNOME_PRINT_RANGE_ALL:
 605             m_printDialogData.SetAllPages( true );
 606             m_printDialogData.SetFromPage( 0 );
 607             m_printDialogData.SetToPage( 9999 );
 608             break;
 609         case GNOME_PRINT_RANGE_RANGE:
 610         default:
 611             gint start,end;
 612             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 613             m_printDialogData.SetFromPage( start );
 614             m_printDialogData.SetToPage( end );
 615             break;
 616     }
 617
 618     gtk_widget_destroy(m_widget);
 619     m_widget = NULL;
 620
 621     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 622         return wxID_PREVIEW;
 623
 624     return wxID_OK;
 625 }
 626
 627 wxDC *wxGnomePrintDialog::GetPrintDC()
 628 {
 629     // Later
 630     return NULL;
 631 }
 632
 633 bool wxGnomePrintDialog::Validate()
 634 {
 635     return true;
 636 }
 637
 638 bool wxGnomePrintDialog::TransferDataToWindow()
 639 {
 640     return true;
 641 }
 642
 643 bool wxGnomePrintDialog::TransferDataFromWindow()
 644 {
 645     return true;
 646 }
 647
 648 //----------------------------------------------------------------------------
 649 // wxGnomePageSetupDialog
 650 //----------------------------------------------------------------------------
 651
 652 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 653
 654 wxGnomePageSetupDialog::wxGnomePageSetupDialog(wxWindow * WXUNUSED(parent),
 655                                                wxPageSetupDialogData *data)
 656 {
 657     if (data)
 658         m_pageDialogData = *data;
 659
 660     m_pageDialogData.GetPrintData().ConvertToNative();
 661
 662     wxGnomePrintNativeData *native =
 663       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 664
 665     // This *was* required as the page setup dialog
 666     // calculates wrong values otherwise.
 667 #if 0
 668     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 669                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 670                             (const guchar*) "Pts" );
 671 #endif
 672
 673     GnomePrintConfig *config = native->GetPrintConfig();
 674
 675     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 676
 677     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 678     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 679     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 680     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 681
 682     gs_libGnomePrint->gnome_print_config_set_length (config,
 683             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 684     gs_libGnomePrint->gnome_print_config_set_length (config,
 685             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 686     gs_libGnomePrint->gnome_print_config_set_length (config,
 687             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 688     gs_libGnomePrint->gnome_print_config_set_length (config,
 689             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 690
 691     m_widget = gtk_dialog_new();
 692
 693     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 694
 695     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 696         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 697     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 698     gtk_widget_show (main);
 699
 700     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 701
 702     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 703
 704     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 705                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 706                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 707                             NULL);
 708
 709     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 710                             GTK_RESPONSE_OK);
 711 }
 712
 713 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 714 {
 715 }
 716
 717 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 718 {
 719     return m_pageDialogData;
 720 }
 721
 722 int wxGnomePageSetupDialog::ShowModal()
 723 {
 724     wxGnomePrintNativeData *native =
 725       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 726
 727     GnomePrintConfig *config = native->GetPrintConfig();
 728
 729
 730     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 731
 732     if (ret == GTK_RESPONSE_OK)
 733     {
 734         // Transfer data back to m_pageDialogData
 735         m_pageDialogData.GetPrintData().ConvertFromNative();
 736
 737         // I don't know how querying the last parameter works
 738         double ml,mr,mt,mb,pw,ph;
 739         gs_libGnomePrint->gnome_print_config_get_length (config,
 740             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 741         gs_libGnomePrint->gnome_print_config_get_length (config,
 742             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 743         gs_libGnomePrint->gnome_print_config_get_length (config,
 744             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 745         gs_libGnomePrint->gnome_print_config_get_length (config,
 746             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 747         gs_libGnomePrint->gnome_print_config_get_length (config,
 748             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 749         gs_libGnomePrint->gnome_print_config_get_length (config,
 750             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 751
 752         // This code converts correctly from what the user chose
 753         // as the unit although I query Pts here
 754         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 755         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 756         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 757         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 758         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 759         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 760         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 761         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 762
 763         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 764         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 765
 766         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 767
 768         ret = wxID_OK;
 769     }
 770     else
 771     {
 772         ret = wxID_CANCEL;
 773     }
 774
 775     gtk_widget_destroy( m_widget );
 776     m_widget = NULL;
 777
 778     return ret;
 779 }
 780
 781 bool wxGnomePageSetupDialog::Validate()
 782 {
 783     return true;
 784 }
 785
 786 bool wxGnomePageSetupDialog::TransferDataToWindow()
 787 {
 788     return true;
 789 }
 790
 791 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 792 {
 793     return true;
 794 }
 795
 796 //----------------------------------------------------------------------------
 797 // wxGnomePrinter
 798 //----------------------------------------------------------------------------
 799
 800 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 801
 802 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 803     wxPrinterBase( data )
 804 {
 805     m_native_preview = false;
 806 }
 807
 808 wxGnomePrinter::~wxGnomePrinter()
 809 {
 810 }
 811
 812 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 813 {
 814     if (!printout)
 815     {
 816         sm_lastError = wxPRINTER_ERROR;
 817         return false;
 818     }
 819
 820     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 821
 822     wxGnomePrintNativeData *native =
 823         (wxGnomePrintNativeData*) printdata.GetNativeData();
 824
 825     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 826
 827     // The GnomePrintJob is temporarily stored in the
 828     // native print data as the native print dialog
 829     // needs to access it.
 830     native->SetPrintJob( job );
 831
 832
 833     printout->SetIsPreview(false);
 834
 835     if (m_printDialogData.GetMinPage() < 1)
 836         m_printDialogData.SetMinPage(1);
 837     if (m_printDialogData.GetMaxPage() < 1)
 838         m_printDialogData.SetMaxPage(9999);
 839
 840     wxDC *dc;
 841     if (prompt)
 842         dc = PrintDialog( parent );
 843     else
 844         dc = new wxGnomePrinterDC( printdata );
 845
 846     if (m_native_preview)
 847         printout->SetIsPreview(true);
 848
 849     if (!dc)
 850     {
 851         gs_libGnomePrint->gnome_print_job_close( job );
 852         g_object_unref (job);
 853         if (sm_lastError != wxPRINTER_CANCELLED)
 854             sm_lastError = wxPRINTER_ERROR;
 855         return false;
 856     }
 857
 858     wxSize ScreenPixels = wxGetDisplaySize();
 859     wxSize ScreenMM = wxGetDisplaySizeMM();
 860
 861     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 862                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 863     printout->SetPPIPrinter( wxGnomePrinterDC::GetResolution(),
 864                              wxGnomePrinterDC::GetResolution() );
 865
 866     printout->SetDC(dc);
 867
 868     int w, h;
 869     dc->GetSize(&w, &h);
 870     printout->SetPageSizePixels((int)w, (int)h);
 871     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 872     int mw, mh;
 873     dc->GetSizeMM(&mw, &mh);
 874     printout->SetPageSizeMM((int)mw, (int)mh);
 875     printout->OnPreparePrinting();
 876
 877     // Get some parameters from the printout, if defined
 878     int fromPage, toPage;
 879     int minPage, maxPage;
 880     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 881
 882     if (maxPage == 0)
 883     {
 884         gs_libGnomePrint->gnome_print_job_close( job );
 885         g_object_unref (job);
 886         sm_lastError = wxPRINTER_ERROR;
 887         return false;
 888     }
 889
 890     printout->OnBeginPrinting();
 891
 892     int minPageNum = minPage, maxPageNum = maxPage;
 893
 894     if ( !m_printDialogData.GetAllPages() )
 895     {
 896         minPageNum = m_printDialogData.GetFromPage();
 897         maxPageNum = m_printDialogData.GetToPage();
 898     }
 899
 900
 901     int copyCount;
 902     for ( copyCount = 1;
 903           copyCount <= m_printDialogData.GetNoCopies();
 904           copyCount++ )
 905     {
 906         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 907         {
 908             wxLogError(_("Could not start printing."));
 909             sm_lastError = wxPRINTER_ERROR;
 910             break;
 911         }
 912
 913         int pn;
 914         for ( pn = minPageNum;
 915               pn <= maxPageNum && printout->HasPage(pn);
 916               pn++ )
 917         {
 918             dc->StartPage();
 919             printout->OnPrintPage(pn);
 920             dc->EndPage();
 921         }
 922
 923         printout->OnEndDocument();
 924         printout->OnEndPrinting();
 925     }
 926
 927     gs_libGnomePrint->gnome_print_job_close( job );
 928     if (m_native_preview)
 929     {
 930         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 931         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 932                                      (
 933                                         job,
 934                                         (const guchar *)title.data()
 935                                      );
 936         gtk_widget_show(preview);
 937     }
 938     else
 939     {
 940         gs_libGnomePrint->gnome_print_job_print( job );
 941     }
 942
 943     g_object_unref (job);
 944     delete dc;
 945
 946     return (sm_lastError == wxPRINTER_NO_ERROR);
 947 }
 948
 949 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 950 {
 951     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 952     int ret = dialog.ShowModal();
 953     if (ret == wxID_CANCEL)
 954     {
 955         sm_lastError = wxPRINTER_CANCELLED;
 956         return NULL;
 957     }
 958
 959     m_native_preview = ret == wxID_PREVIEW;
 960
 961     m_printDialogData = dialog.GetPrintDialogData();
 962     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 963 }
 964
 965 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 966 {
 967     return false;
 968 }
 969
 970 //-----------------------------------------------------------------------------
 971 // wxGnomePrinterDC
 972 //-----------------------------------------------------------------------------
 973
 974 // conversion
 975 static const double RAD2DEG  = 180.0 / M_PI;
 976
 977 // we don't want to use only 72 dpi from GNOME print
 978 static const int DPI = 600;
 979 static const double PS2DEV = 600.0 / 72.0;
 980 static const double DEV2PS = 72.0 / 600.0;
 981
 982 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 983 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 984 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 985 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
 986
 987 IMPLEMENT_CLASS(wxGnomePrinterDC, wxDC)
 988
 989 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
 990 {
 991     m_printData = data;
 992
 993     wxGnomePrintNativeData *native =
 994         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 995
 996     m_job = native->GetPrintJob();
 997     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
 998
 999     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1000     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1001     m_context = NULL;
1002
1003     m_currentRed = 0;
1004     m_currentBlue = 0;
1005     m_currentGreen = 0;
1006
1007     // Query page size. This seems to omit the margins
1008     double pw,ph;
1009     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1010
1011     m_pageHeight = ph * PS2DEV;
1012 }
1013
1014 wxGnomePrinterDC::~wxGnomePrinterDC()
1015 {
1016 }
1017
1018 bool wxGnomePrinterDC::IsOk() const
1019 {
1020     return true;
1021 }
1022
1023 bool
1024 wxGnomePrinterDC::DoFloodFill(wxCoord WXUNUSED(x1),
1025                             wxCoord WXUNUSED(y1),
1026                             const wxColour& WXUNUSED(col),
1027                             int WXUNUSED(style))
1028 {
1029     return false;
1030 }
1031
1032 bool
1033 wxGnomePrinterDC::DoGetPixel(wxCoord WXUNUSED(x1),
1034                            wxCoord WXUNUSED(y1),
1035                            wxColour * WXUNUSED(col)) const
1036 {
1037     return false;
1038 }
1039
1040 void wxGnomePrinterDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1041 {
1042     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1043
1044     SetPen( m_pen );
1045
1046     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1047     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1048     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1049
1050     CalcBoundingBox( x1, y1 );
1051     CalcBoundingBox( x2, y2 );
1052 }
1053
1054 void wxGnomePrinterDC::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1055 {
1056 }
1057
1058 void wxGnomePrinterDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1059 {
1060     double dx = x1 - xc;
1061     double dy = y1 - yc;
1062     double radius = sqrt((double)(dx*dx+dy*dy));
1063     double alpha1, alpha2;
1064     if (x1 == x2 && y1 == y2)
1065     {
1066         alpha1 = 0.0;
1067         alpha2 = 360.0;
1068     }
1069     else if ( wxIsNullDouble(radius) )
1070     {
1071         alpha1 =
1072         alpha2 = 0.0;
1073     }
1074     else
1075     {
1076         alpha1 = (x1 - xc == 0) ?
1077             (y1 - yc < 0) ? 90.0 : -90.0 :
1078             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1079         alpha2 = (x2 - xc == 0) ?
1080             (y2 - yc < 0) ? 90.0 : -90.0 :
1081             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1082
1083         while (alpha1 <= 0)   alpha1 += 360;
1084         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1085         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1086         while (alpha2 > 360)  alpha2 -= 360;
1087     }
1088
1089     if (m_brush.GetStyle() != wxTRANSPARENT)
1090     {
1091         SetBrush( m_brush );
1092         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1093         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1094
1095         gs_libGnomePrint->gnome_print_fill( m_gpc );
1096     }
1097
1098     if (m_pen.GetStyle() != wxTRANSPARENT)
1099     {
1100         SetPen (m_pen);
1101         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1102         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1103         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1104         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1105
1106         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1107     }
1108
1109     CalcBoundingBox (x1, y1);
1110     CalcBoundingBox (x2, y2);
1111     CalcBoundingBox (xc, yc);
1112 }
1113
1114 void wxGnomePrinterDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1115 {
1116     x += w/2;
1117     y += h/2;
1118
1119     double xx = XLOG2DEV(x);
1120     double yy = YLOG2DEV(y);
1121
1122     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1123
1124     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1125     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1126     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1127
1128     xx = 0.0;
1129     yy = 0.0;
1130
1131     if (m_brush.GetStyle () != wxTRANSPARENT)
1132     {
1133         SetBrush( m_brush );
1134
1135         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1136         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1137             XLOG2DEVREL(w)/2, sa, ea, 0 );
1138         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1139
1140         gs_libGnomePrint->gnome_print_fill( m_gpc );
1141     }
1142
1143     if (m_pen.GetStyle () != wxTRANSPARENT)
1144     {
1145         SetPen (m_pen);
1146
1147         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1148             XLOG2DEVREL(w)/2, sa, ea, 0 );
1149
1150         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1151     }
1152
1153     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1154
1155     CalcBoundingBox( x, y );
1156     CalcBoundingBox( x+w, y+h );
1157 }
1158
1159 void wxGnomePrinterDC::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1160 {
1161 }
1162
1163 void wxGnomePrinterDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1164 {
1165     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1166
1167     if (n <= 0) return;
1168
1169     SetPen (m_pen);
1170
1171     int i;
1172     for ( i =0; i<n ; i++ )
1173         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1174
1175     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1176
1177     for (i = 1; i < n; i++)
1178         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1179
1180     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1181 }
1182
1183 void wxGnomePrinterDC::DoDrawPolygon(int n, wxPoint points[],
1184                                    wxCoord xoffset, wxCoord yoffset,
1185                                    int WXUNUSED(fillStyle))
1186 {
1187     if (n==0) return;
1188
1189     if (m_brush.GetStyle () != wxTRANSPARENT)
1190     {
1191         SetBrush( m_brush );
1192
1193         int x = points[0].x + xoffset;
1194         int y = points[0].y + yoffset;
1195         CalcBoundingBox( x, y );
1196         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1197         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1198         int i;
1199         for (i = 1; i < n; i++)
1200         {
1201             x = points[i].x + xoffset;
1202             y = points[i].y + yoffset;
1203             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1204             CalcBoundingBox( x, y );
1205         }
1206         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1207         gs_libGnomePrint->gnome_print_fill( m_gpc );
1208     }
1209
1210     if (m_pen.GetStyle () != wxTRANSPARENT)
1211     {
1212         SetPen (m_pen);
1213
1214         int x = points[0].x + xoffset;
1215         int y = points[0].y + yoffset;
1216         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1217         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1218         int i;
1219         for (i = 1; i < n; i++)
1220         {
1221             x = points[i].x + xoffset;
1222             y = points[i].y + yoffset;
1223             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1224             CalcBoundingBox( x, y );
1225         }
1226         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1227         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1228     }
1229 }
1230
1231 void wxGnomePrinterDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1232 {
1233     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1234 }
1235
1236 void wxGnomePrinterDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1237 {
1238     width--;
1239     height--;
1240
1241     if (m_brush.GetStyle () != wxTRANSPARENT)
1242     {
1243         SetBrush( m_brush );
1244
1245         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1246         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1247         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1248         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1249         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1250         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1251         gs_libGnomePrint->gnome_print_fill( m_gpc );
1252
1253         CalcBoundingBox( x, y );
1254         CalcBoundingBox( x + width, y + height );
1255     }
1256
1257     if (m_pen.GetStyle () != wxTRANSPARENT)
1258     {
1259         SetPen (m_pen);
1260
1261         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1262         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1263         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1264         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1265         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1266         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1267         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1268
1269         CalcBoundingBox( x, y );
1270         CalcBoundingBox( x + width, y + height );
1271     }
1272 }
1273
1274 void wxGnomePrinterDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1275 {
1276     width--;
1277     height--;
1278
1279     wxCoord rad = wxRound( radius );
1280
1281     if (m_brush.GetStyle() != wxTRANSPARENT)
1282     {
1283         SetBrush(m_brush);
1284         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1285         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1286         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1287                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1288                                     XLOG2DEV(x),YLOG2DEV(y),
1289                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1290         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1291         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1292                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1293                                     XLOG2DEV(x),YLOG2DEV(y + height),
1294                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1295         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1296         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1297                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1298                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1299                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1300         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1301         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1302                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1303                                     XLOG2DEV(x + width),YLOG2DEV(y),
1304                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1305         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1306         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1307         gs_libGnomePrint->gnome_print_fill(m_gpc);
1308
1309         CalcBoundingBox(x,y);
1310         CalcBoundingBox(x+width,y+height);
1311     }
1312
1313     if (m_pen.GetStyle() != wxTRANSPARENT)
1314     {
1315         SetPen(m_pen);
1316         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1317         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1318         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1319                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1320                                     XLOG2DEV(x),YLOG2DEV(y),
1321                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1322         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1323         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1324                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1325                                     XLOG2DEV(x),YLOG2DEV(y + height),
1326                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1327         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1328         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1329                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1330                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1331                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1332         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1333         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1334                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1335                                     XLOG2DEV(x + width),YLOG2DEV(y),
1336                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1337         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1338         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1339         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1340
1341         CalcBoundingBox(x,y);
1342         CalcBoundingBox(x+width,y+height);
1343     }
1344 }
1345
1346 void wxGnomePrinterDC::makeEllipticalPath(wxCoord x, wxCoord y,
1347                                         wxCoord width, wxCoord height)
1348 {
1349     double r = 4 * (sqrt(2.) - 1) / 3;
1350     double  halfW = 0.5 * width,
1351             halfH = 0.5 * height,
1352             halfWR = r * halfW,
1353             halfHR = r * halfH;
1354     wxCoord halfWI = (wxCoord) halfW,
1355             halfHI = (wxCoord) halfH;
1356
1357     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1358
1359     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1360     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1361                 XLOG2DEV(x + width),
1362                 YLOG2DEV(y + halfHI) );
1363     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1364                 XLOG2DEV(x + width),
1365                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1366                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1367                 YLOG2DEV(y + height),
1368                 XLOG2DEV(x + halfWI),
1369                 YLOG2DEV(y + height) );
1370     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1371                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1372                 YLOG2DEV(y + height),
1373                 XLOG2DEV(x),
1374                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1375                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1376     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1377                 XLOG2DEV(x),
1378                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1379                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1380                 YLOG2DEV(y),
1381                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1382     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1383                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1384                 YLOG2DEV(y),
1385                 XLOG2DEV(x + width),
1386                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1387                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1388
1389     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1390 }
1391
1392 void wxGnomePrinterDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1393 {
1394     width--;
1395     height--;
1396
1397     if (m_brush.GetStyle () != wxTRANSPARENT)
1398     {
1399         SetBrush( m_brush );
1400         makeEllipticalPath( x, y, width, height );
1401         gs_libGnomePrint->gnome_print_fill( m_gpc );
1402         CalcBoundingBox( x, y );
1403         CalcBoundingBox( x + width, y + height );
1404     }
1405
1406     if (m_pen.GetStyle () != wxTRANSPARENT)
1407     {
1408         SetPen (m_pen);
1409         makeEllipticalPath( x, y, width, height );
1410         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1411         CalcBoundingBox( x, y );
1412         CalcBoundingBox( x + width, y + height );
1413     }
1414 }
1415
1416 #if wxUSE_SPLINES
1417 void wxGnomePrinterDC::DoDrawSpline(const wxPointList *points)
1418 {
1419     SetPen (m_pen);
1420
1421     double c, d, x1, y1, x2, y2, x3, y3;
1422     wxPoint *p, *q;
1423
1424     wxPointList::compatibility_iterator node = points->GetFirst();
1425     p = node->GetData();
1426     x1 = p->x;
1427     y1 = p->y;
1428
1429     node = node->GetNext();
1430     p = node->GetData();
1431     c = p->x;
1432     d = p->y;
1433     x3 =
1434          (double)(x1 + c) / 2;
1435     y3 =
1436          (double)(y1 + d) / 2;
1437
1438     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1439     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1440     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1441
1442     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1443     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1444
1445     node = node->GetNext();
1446     while (node)
1447     {
1448         q = node->GetData();
1449
1450         x1 = x3;
1451         y1 = y3;
1452         x2 = c;
1453         y2 = d;
1454         c = q->x;
1455         d = q->y;
1456         x3 = (double)(x2 + c) / 2;
1457         y3 = (double)(y2 + d) / 2;
1458
1459         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1460             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1461             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1462             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1463
1464         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1465         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1466
1467         node = node->GetNext();
1468     }
1469
1470     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1471
1472     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1473 }
1474 #endif // wxUSE_SPLINES
1475
1476 bool
1477 wxGnomePrinterDC::DoBlit(wxCoord xdest, wxCoord ydest,
1478                       wxCoord width, wxCoord height,
1479                       wxDC *source,
1480                       wxCoord xsrc, wxCoord ysrc,
1481                       int rop,
1482                       bool WXUNUSED(useMask),
1483                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1484 {
1485     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1486
1487     // blit into a bitmap
1488     wxBitmap bitmap( width, height );
1489     wxMemoryDC memDC;
1490     memDC.SelectObject(bitmap);
1491     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1492     memDC.SelectObject(wxNullBitmap);
1493
1494     // draw bitmap. scaling and positioning is done there
1495     DrawBitmap( bitmap, xdest, ydest );
1496
1497     return true;
1498 }
1499
1500 void wxGnomePrinterDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1501 {
1502     DoDrawBitmap( icon, x, y, true );
1503 }
1504
1505 void
1506 wxGnomePrinterDC::DoDrawBitmap(const wxBitmap& bitmap,
1507                              wxCoord x, wxCoord y,
1508                              bool WXUNUSED(useMask))
1509 {
1510     if (!bitmap.Ok()) return;
1511
1512     if (bitmap.HasPixbuf())
1513     {
1514         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1515         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1516         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1517         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1518         int height = gdk_pixbuf_get_height( pixbuf );
1519         int width = gdk_pixbuf_get_width( pixbuf );
1520
1521         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1522         double matrix[6];
1523         matrix[0] = XLOG2DEVREL(width);
1524         matrix[1] = 0;
1525         matrix[2] = 0;
1526         matrix[3] = YLOG2DEVREL(height);
1527         matrix[4] = XLOG2DEV(x);
1528         matrix[5] = YLOG2DEV(y+height);
1529         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1530         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1531         if (has_alpha)
1532             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1533         else
1534             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1535         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1536     }
1537     else
1538     {
1539         wxImage image = bitmap.ConvertToImage();
1540
1541         if (!image.Ok()) return;
1542
1543         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1544         double matrix[6];
1545         matrix[0] = XLOG2DEVREL(image.GetWidth());
1546         matrix[1] = 0;
1547         matrix[2] = 0;
1548         matrix[3] = YLOG2DEVREL(image.GetHeight());
1549         matrix[4] = XLOG2DEV(x);
1550         matrix[5] = YLOG2DEV(y+image.GetHeight());
1551         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1552         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1553         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1554         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1555     }
1556 }
1557
1558 void wxGnomePrinterDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1559 {
1560     DoDrawRotatedText( text, x, y, 0.0 );
1561 }
1562
1563 void wxGnomePrinterDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1564 {
1565     double xx = XLOG2DEV(x);
1566     double yy = YLOG2DEV(y);
1567
1568     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1569
1570     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1571 #if wxUSE_UNICODE_UTF8
1572     const char *data = text.utf8_str();
1573 #else
1574     const wxCharBuffer data = text.utf8_str();
1575 #endif
1576
1577     size_t datalen = strlen(data);
1578     pango_layout_set_text( m_layout, data, datalen);
1579
1580     if (underlined)
1581     {
1582         PangoAttrList *attrs = pango_attr_list_new();
1583         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1584         a->start_index = 0;
1585         a->end_index = datalen;
1586         pango_attr_list_insert(attrs, a);
1587         pango_layout_set_attributes(m_layout, attrs);
1588         pango_attr_list_unref(attrs);
1589     }
1590
1591     if (m_textForegroundColour.Ok())
1592     {
1593         unsigned char red = m_textForegroundColour.Red();
1594         unsigned char blue = m_textForegroundColour.Blue();
1595         unsigned char green = m_textForegroundColour.Green();
1596
1597         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1598         {
1599             double redPS = (double)(red) / 255.0;
1600             double bluePS = (double)(blue) / 255.0;
1601             double greenPS = (double)(green) / 255.0;
1602
1603             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1604
1605             m_currentRed = red;
1606             m_currentBlue = blue;
1607             m_currentGreen = green;
1608         }
1609     }
1610
1611     int w,h;
1612     pango_layout_get_pixel_size( m_layout, &w, &h );
1613 #if 0
1614         if ( m_backgroundMode == wxSOLID )
1615         {
1616             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1617             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1618             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1619         }
1620 #endif
1621
1622     // Draw layout.
1623     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1624
1625     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1626
1627     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1628
1629     if (fabs(angle) > 0.00001)
1630         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1631
1632     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1633
1634     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1635
1636     if (underlined)
1637     {
1638         // undo underline attributes setting:
1639         pango_layout_set_attributes(m_layout, NULL);
1640     }
1641
1642     CalcBoundingBox (x + w, y + h);
1643 }
1644
1645 void wxGnomePrinterDC::Clear()
1646 {
1647 }
1648
1649 void wxGnomePrinterDC::SetFont( const wxFont& font )
1650 {
1651     m_font = font;
1652
1653     if (m_font.Ok())
1654     {
1655         if (m_fontdesc)
1656             pango_font_description_free( m_fontdesc );
1657
1658         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1659
1660         pango_layout_set_font_description( m_layout, m_fontdesc );
1661     }
1662 }
1663
1664 void wxGnomePrinterDC::SetPen( const wxPen& pen )
1665 {
1666     if (!pen.Ok()) return;
1667
1668     m_pen = pen;
1669
1670     double width;
1671
1672     if (m_pen.GetWidth() <= 0)
1673         width = 0.1;
1674     else
1675         width = (double) m_pen.GetWidth();
1676
1677     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1678
1679     static const double dotted[] =  {2.0, 5.0};
1680     static const double short_dashed[] = {4.0, 4.0};
1681     static const double wxCoord_dashed[] = {4.0, 8.0};
1682     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1683
1684     switch (m_pen.GetStyle())
1685     {
1686         case wxDOT:           gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1687         case wxSHORT_DASH:    gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1688         case wxLONG_DASH:     gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1689         case wxDOT_DASH:      gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1690         case wxUSER_DASH:
1691         {
1692             // It may be noted that libgnomeprint between at least
1693             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1694             // and then leak the memory since it doesn't set the
1695             // internal flag "privatedash" to 0.
1696             wxDash *wx_dashes;
1697             int num = m_pen.GetDashes (&wx_dashes);
1698             gdouble *g_dashes = g_new( gdouble, num );
1699             int i;
1700             for (i = 0; i < num; ++i)
1701                 g_dashes[i] = (gdouble) wx_dashes[i];
1702             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1703             g_free( g_dashes );
1704         }
1705         break;
1706         case wxSOLID:
1707         case wxTRANSPARENT:
1708         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1709     }
1710
1711
1712     unsigned char red = m_pen.GetColour().Red();
1713     unsigned char blue = m_pen.GetColour().Blue();
1714     unsigned char green = m_pen.GetColour().Green();
1715
1716     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1717     {
1718         double redPS = (double)(red) / 255.0;
1719         double bluePS = (double)(blue) / 255.0;
1720         double greenPS = (double)(green) / 255.0;
1721
1722         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1723
1724         m_currentRed = red;
1725         m_currentBlue = blue;
1726         m_currentGreen = green;
1727     }
1728 }
1729
1730 void wxGnomePrinterDC::SetBrush( const wxBrush& brush )
1731 {
1732     if (!brush.Ok()) return;
1733
1734     m_brush = brush;
1735
1736     // Brush colour
1737     unsigned char red = m_brush.GetColour().Red();
1738     unsigned char blue = m_brush.GetColour().Blue();
1739     unsigned char green = m_brush.GetColour().Green();
1740
1741     if (!m_colour)
1742     {
1743         // Anything not white is black
1744         if (! (red == (unsigned char) 255 &&
1745                blue == (unsigned char) 255 &&
1746                green == (unsigned char) 255) )
1747         {
1748             red = (unsigned char) 0;
1749             green = (unsigned char) 0;
1750             blue = (unsigned char) 0;
1751         }
1752         // setgray here ?
1753     }
1754
1755     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1756     {
1757         double redPS = (double)(red) / 255.0;
1758         double bluePS = (double)(blue) / 255.0;
1759         double greenPS = (double)(green) / 255.0;
1760
1761         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1762
1763         m_currentRed = red;
1764         m_currentBlue = blue;
1765         m_currentGreen = green;
1766     }
1767 }
1768
1769 void wxGnomePrinterDC::SetLogicalFunction(int WXUNUSED(function))
1770 {
1771 }
1772
1773 void wxGnomePrinterDC::SetBackground(const wxBrush& WXUNUSED(brush))
1774 {
1775 }
1776
1777 void wxGnomePrinterDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1778 {
1779     wxDC::DoSetClippingRegion( x, y, width, height );
1780
1781     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1782
1783     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1784     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1785     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1786     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1787     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1788     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1789     gs_libGnomePrint->gnome_print_clip( m_gpc );
1790 }
1791
1792 void wxGnomePrinterDC::DestroyClippingRegion()
1793 {
1794     wxDC::DestroyClippingRegion();
1795
1796     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1797
1798 #if 0
1799     // not needed, we set the values in each
1800     // drawing method anyways
1801     SetPen( m_pen );
1802     SetBrush( m_brush );
1803     SetFont( m_font );
1804 #endif
1805 }
1806
1807 bool wxGnomePrinterDC::StartDoc(const wxString& WXUNUSED(message))
1808 {
1809     return true;
1810 }
1811
1812 void wxGnomePrinterDC::EndDoc()
1813 {
1814     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1815 }
1816
1817 void wxGnomePrinterDC::StartPage()
1818 {
1819     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1820 }
1821
1822 void wxGnomePrinterDC::EndPage()
1823 {
1824     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1825 }
1826
1827 wxCoord wxGnomePrinterDC::GetCharHeight() const
1828 {
1829     pango_layout_set_text( m_layout, "H", 1 );
1830
1831     int w,h;
1832     pango_layout_get_pixel_size( m_layout, &w, &h );
1833
1834     return h;
1835 }
1836
1837 wxCoord wxGnomePrinterDC::GetCharWidth() const
1838 {
1839     pango_layout_set_text( m_layout, "H", 1 );
1840
1841     int w,h;
1842     pango_layout_get_pixel_size( m_layout, &w, &h );
1843
1844     return w;
1845 }
1846
1847 void wxGnomePrinterDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1848                      wxCoord *descent,
1849                      wxCoord *externalLeading,
1850                      const wxFont *theFont ) const
1851 {
1852     if ( width )
1853         *width = 0;
1854     if ( height )
1855         *height = 0;
1856     if ( descent )
1857         *descent = 0;
1858     if ( externalLeading )
1859         *externalLeading = 0;
1860
1861     if (string.empty())
1862     {
1863         return;
1864     }
1865
1866     // Set layout's text
1867
1868     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1869 #if wxUSE_UNICODE_UTF8
1870     const char *dataUTF8 = string.utf8_str();
1871 #else
1872     const wxCharBuffer dataUTF8 = string.utf8_str();
1873 #endif
1874
1875     PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
1876
1877     gint oldSize = pango_font_description_get_size( desc );
1878     double size = oldSize;
1879     size = size * m_scaleY;
1880     pango_font_description_set_size( desc, (gint)size );
1881
1882     // apply scaled font
1883     pango_layout_set_font_description( m_layout, desc );
1884
1885     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1886
1887     int w, h;
1888     pango_layout_get_pixel_size( m_layout, &w, &h );
1889
1890
1891     if (width)
1892         *width = (wxCoord)(w / m_scaleX);
1893     if (height)
1894         *height = (wxCoord)(h / m_scaleY);
1895
1896     if (descent)
1897     {
1898         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1899         int baseline = pango_layout_iter_get_baseline(iter);
1900         pango_layout_iter_free(iter);
1901         *descent = h - PANGO_PIXELS(baseline);
1902     }
1903
1904     // reset unscaled size
1905     pango_font_description_set_size( desc, oldSize );
1906
1907     // reset unscaled font
1908     pango_layout_set_font_description( m_layout, m_fontdesc );
1909 }
1910
1911 void wxGnomePrinterDC::DoGetSize(int* width, int* height) const
1912 {
1913     wxGnomePrintNativeData *native =
1914       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1915
1916     // Query page size. This seems to omit the margins
1917     double pw,ph;
1918     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1919
1920     if (width)
1921         *width = wxRound( pw * PS2DEV );
1922
1923     if (height)
1924         *height = wxRound( ph * PS2DEV );
1925 }
1926
1927 void wxGnomePrinterDC::DoGetSizeMM(int *width, int *height) const
1928 {
1929     wxGnomePrintNativeData *native =
1930       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1931
1932     // This code assumes values in Pts.
1933
1934     double pw,ph;
1935     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1936
1937     // Convert to mm.
1938
1939     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1940     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1941     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1942     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1943
1944     if (width)
1945         *width = (int) (pw + 0.5);
1946     if (height)
1947         *height = (int) (ph + 0.5);
1948 }
1949
1950 wxSize wxGnomePrinterDC::GetPPI() const
1951 {
1952     return wxSize(DPI,DPI);
1953 }
1954
1955 void wxGnomePrinterDC::SetPrintData(const wxPrintData& data)
1956 {
1957     m_printData = data;
1958
1959     int height;
1960     if (m_printData.GetOrientation() == wxPORTRAIT)
1961         GetSize( NULL, &height );
1962     else
1963         GetSize( &height, NULL );
1964     m_deviceLocalOriginY = height;
1965 }
1966
1967 void wxGnomePrinterDC::SetResolution(int WXUNUSED(ppi))
1968 {
1969 }
1970
1971 int wxGnomePrinterDC::GetResolution()
1972 {
1973     return DPI;
1974 }
1975
1976 // ----------------------------------------------------------------------------
1977 // wxGnomePrintModule
1978 // ----------------------------------------------------------------------------
1979
1980 bool wxGnomePrintModule::OnInit()
1981 {
1982     gs_libGnomePrint = new wxGnomePrintLibrary;
1983     if (gs_libGnomePrint->IsOk())
1984         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1985     return true;
1986 }
1987
1988 void wxGnomePrintModule::OnExit()
1989 {
1990     delete gs_libGnomePrint;
1991     gs_libGnomePrint = NULL;
1992 }
1993
1994 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1995
1996 // ----------------------------------------------------------------------------
1997 // Print preview
1998 // ----------------------------------------------------------------------------
1999
2000 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2001
2002 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2003                                     wxPrintout * WXUNUSED(printoutForPrinting))
2004 {
2005     DetermineScaling();
2006 }
2007
2008 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2009                                                    wxPrintout *printoutForPrinting,
2010                                                    wxPrintDialogData *data)
2011                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2012 {
2013     Init(printout, printoutForPrinting);
2014 }
2015
2016 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2017                                                    wxPrintout *printoutForPrinting,
2018                                                    wxPrintData *data)
2019                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2020 {
2021     Init(printout, printoutForPrinting);
2022 }
2023
2024 wxGnomePrintPreview::~wxGnomePrintPreview()
2025 {
2026 }
2027
2028 bool wxGnomePrintPreview::Print(bool interactive)
2029 {
2030     if (!m_printPrintout)
2031         return false;
2032
2033     wxPrinter printer(& m_printDialogData);
2034     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2035 }
2036
2037 void wxGnomePrintPreview::DetermineScaling()
2038 {
2039     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2040     if (paperType == wxPAPER_NONE)
2041         paperType = wxPAPER_NONE;
2042
2043     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2044     if (!paper)
2045         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2046
2047     if (paper)
2048     {
2049         wxSize ScreenPixels = wxGetDisplaySize();
2050         wxSize ScreenMM = wxGetDisplaySizeMM();
2051
2052         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2053                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2054         m_previewPrintout->SetPPIPrinter(wxGnomePrinterDC::GetResolution(), wxGnomePrinterDC::GetResolution());
2055
2056         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2057
2058         // TODO: get better resolution information from wxGnomePrinterDC, if possible.
2059
2060         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrinterDC::GetResolution() / 72.0);
2061         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrinterDC::GetResolution() / 72.0);
2062         wxSize sizeTenthsMM(paper->GetSize());
2063         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2064
2065         // If in landscape mode, we need to swap the width and height.
2066         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2067         {
2068             m_pageWidth = sizeDevUnits.y;
2069             m_pageHeight = sizeDevUnits.x;
2070             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2071         }
2072         else
2073         {
2074             m_pageWidth = sizeDevUnits.x;
2075             m_pageHeight = sizeDevUnits.y;
2076             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2077         }
2078         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2079         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2080
2081         // At 100%, the page should look about page-size on the screen.
2082         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrinterDC::GetResolution();
2083         m_previewScaleY = m_previewScaleX;
2084     }
2085 }
2086
2087 #endif
2088     // wxUSE_LIBGNOMEPRINT