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 #include "wx/dcprint.h"
  37
  38 #include <libgnomeprint/gnome-print.h>
  39 #include <libgnomeprint/gnome-print-pango.h>
  40 #include <libgnomeprint/gnome-print-config.h>
  41 #include <libgnomeprintui/gnome-print-dialog.h>
  42 #include <libgnomeprintui/gnome-print-job-preview.h>
  43 #include <libgnomeprintui/gnome-print-paper-selector.h>
  44
  45 #include "wx/link.h"
  46 wxFORCE_LINK_THIS_MODULE(gnome_print)
  47
  48 //----------------------------------------------------------------------------
  49 // wxGnomePrintLibrary
  50 //----------------------------------------------------------------------------
  51
  52 class wxGnomePrintLibrary
  53 {
  54 public:
  55     wxGnomePrintLibrary();
  56     ~wxGnomePrintLibrary();
  57
  58     bool IsOk();
  59 private:
  60     bool InitializeMethods();
  61
  62     wxDynamicLibrary m_libGnomePrint;
  63     wxDynamicLibrary m_libGnomePrintUI;
  64
  65     // only true if we successfully loaded both libraries
  66     //
  67     // don't rename this field, it's used by wxDL_XXX macros internally
  68     bool m_ok;
  69
  70 public:
  71     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  72         (GnomePrintContext *pc), (pc), 0 )
  73     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  74         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  75     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  76         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  77     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  78         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  80         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  82         (GnomePrintContext *pc), (pc), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  84         (GnomePrintContext *pc), (pc), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  86         (GnomePrintContext *pc), (pc), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  88         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  90         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  91     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  92         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  93
  94     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  95         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  96     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  97         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  98
  99     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 100         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 101     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 102         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 103     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 104         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 105     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 106         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 107
 108     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 109         (GnomePrintContext *pc), (pc), 0 )
 110     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 111         (GnomePrintContext *pc), (pc), 0 )
 112
 113     wxDL_METHOD_DEFINE( gint, gnome_print_clip,
 114         (GnomePrintContext *pc), (pc), 0 )
 115     wxDL_METHOD_DEFINE( gint, gnome_print_eoclip,
 116         (GnomePrintContext *pc), (pc), 0 )
 117
 118     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 119         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 120     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 121         (GnomePrintContext *pc), (pc), 0 )
 122     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 123         (GnomePrintContext *pc), (pc), 0 )
 124
 125     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 126         (GnomePrintContext *gpc), (gpc), NULL )
 127     wxDL_VOIDMETHOD_DEFINE( gnome_print_pango_layout,
 128         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout)  )
 129
 130     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 131         (GnomePrintConfig *config), (config), NULL )
 132     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 133         (GnomePrintJob *job), (job), NULL )
 134     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 135         (GnomePrintJob *job), (job), 0 )
 136     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 137         (GnomePrintJob *job), (job), 0 )
 138     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 139         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 140
 141     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 142         (const guchar *abbreviation), (abbreviation), NULL )
 143     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 144         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 145
 146     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 147         (void), (), NULL )
 148     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 149         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 150     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_double,
 151         (GnomePrintConfig *config, const guchar *key, gdouble value), (config, key, value), false )
 152     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_int,
 153         (GnomePrintConfig *config, const guchar *key, gint value), (config, key, value), false )
 154     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_boolean,
 155         (GnomePrintConfig *config, const guchar *key, gboolean value), (config, key, value), false )
 156     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_length,
 157         (GnomePrintConfig *config, const guchar *key, gdouble value, const GnomePrintUnit *unit), (config, key, value, unit), false )
 158
 159     wxDL_METHOD_DEFINE( guchar*, gnome_print_config_get,
 160         (GnomePrintConfig *config, const guchar *key), (config, key), NULL )
 161     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 162         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 163     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_boolean,
 164         (GnomePrintConfig *config, const guchar *key, gboolean *val), (config, key, val), false )
 165
 166     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 167         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 168     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_construct_range_page,
 169         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 170         const guchar *currentlabel, const guchar *rangelabel),
 171         (gpd, flags, start, end, currentlabel, rangelabel) )
 172     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_get_copies,
 173         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate)  )
 174     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_set_copies,
 175         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate)  )
 176     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 177         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 178     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 179         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 180
 181     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 182         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 183
 184     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 185         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 186
 187     wxDECLARE_NO_COPY_CLASS(wxGnomePrintLibrary);
 188 };
 189
 190 wxGnomePrintLibrary::wxGnomePrintLibrary()
 191 {
 192     wxLogNull log;
 193
 194     m_libGnomePrint.Load("libgnomeprint-2-2.so.0");
 195     m_ok = m_libGnomePrint.IsLoaded();
 196     if ( !m_ok )
 197         return;
 198
 199     m_libGnomePrintUI.Load("libgnomeprintui-2-2.so.0");
 200     m_ok = m_libGnomePrintUI.IsLoaded();
 201     if ( !m_ok )
 202     {
 203         m_libGnomePrint.Unload();
 204         return;
 205     }
 206
 207     m_ok = InitializeMethods();
 208 }
 209
 210 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 211 {
 212 }
 213
 214 bool wxGnomePrintLibrary::IsOk()
 215 {
 216     return m_ok;
 217 }
 218
 219 bool wxGnomePrintLibrary::InitializeMethods()
 220 {
 221     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_newpath );
 222     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_moveto );
 223     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_lineto );
 224     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_curveto );
 225     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_arcto );
 226     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_closepath );
 227     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_stroke );
 228     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_fill );
 229     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setrgbcolor );
 230     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setlinewidth );
 231     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setdash );
 232
 233     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbimage );
 234     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbaimage );
 235
 236     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_concat );
 237     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_scale );
 238     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rotate );
 239     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_translate );
 240
 241     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_gsave );
 242     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_grestore );
 243
 244     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_clip );
 245     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_eoclip );
 246
 247     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_beginpage );
 248     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_showpage );
 249     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_end_doc );
 250
 251     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_create_layout );
 252     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_layout );
 253
 254     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_new );
 255     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_context );
 256     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_close );
 257     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_print );
 258     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_page_size );
 259
 260     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_unit_get_by_abbreviation );
 261     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_convert_distance );
 262
 263     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_default );
 264     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set );
 265     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_boolean );
 266     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_double );
 267     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_int );
 268     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_length );
 269
 270     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get );
 271     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_length );
 272     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_boolean );
 273
 274     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_new );
 275     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_construct_range_page );
 276     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_copies );
 277     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_set_copies );
 278     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range );
 279     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range_page );
 280
 281     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_paper_selector_new_with_flags );
 282
 283     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_job_preview_new );
 284
 285     return true;
 286 }
 287
 288 static wxGnomePrintLibrary* gs_libGnomePrint = NULL;
 289
 290 //----------------------------------------------------------------------------
 291 // wxGnomePrintNativeData
 292 //----------------------------------------------------------------------------
 293
 294 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 295
 296 wxGnomePrintNativeData::wxGnomePrintNativeData()
 297 {
 298     m_config = gs_libGnomePrint->gnome_print_config_default();
 299     m_job = gs_libGnomePrint->gnome_print_job_new( m_config );
 300 }
 301
 302 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 303 {
 304     g_object_unref (m_config);
 305 }
 306
 307 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 308 {
 309     guchar *res = gs_libGnomePrint->gnome_print_config_get( m_config,
 310             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION );
 311     if (g_ascii_strcasecmp((const gchar *)res,"R90") == 0)
 312         data.SetOrientation( wxLANDSCAPE );
 313     else
 314         data.SetOrientation( wxPORTRAIT );
 315     g_free( res );
 316
 317     res = gs_libGnomePrint->gnome_print_config_get( m_config,
 318             (guchar*)(char*)GNOME_PRINT_KEY_OUTPUT_FILENAME );
 319     if (res)
 320     {
 321         data.SetFilename( wxConvFile.cMB2WX( (const char*) res ) );
 322         wxPrintf( "filename %s\n", data.GetFilename() );
 323         g_free( res );
 324     }
 325     else
 326     {
 327         data.SetFilename( wxEmptyString );
 328     }
 329
 330     gboolean ret;
 331     if (gs_libGnomePrint->gnome_print_config_get_boolean( m_config,
 332             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE, &ret))
 333     {
 334         data.SetCollate( ret );
 335     }
 336
 337     // gnome_print_v
 338
 339     return true;
 340 }
 341
 342 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 343 {
 344     if (data.GetOrientation() == wxLANDSCAPE)
 345     {
 346         gs_libGnomePrint->gnome_print_config_set( m_config,
 347             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 348             (guchar*)(char*)"R90" );
 349     }
 350     else
 351     {
 352         gs_libGnomePrint->gnome_print_config_set( m_config,
 353             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 354             (guchar*)(char*)"R0" );
 355     }
 356
 357     if (data.GetCollate())
 358     {
 359         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 360             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 361             TRUE );
 362     }
 363     else
 364     {
 365         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 366             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 367             FALSE );
 368     }
 369
 370     switch (data.GetPaperId())
 371     {
 372         case wxPAPER_A3:        gs_libGnomePrint->gnome_print_config_set( m_config,
 373                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 374                                     (guchar*)(char*)"A3" );
 375                                 break;
 376         case wxPAPER_A5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 377                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 378                                     (guchar*)(char*)"A5" );
 379                                 break;
 380         case wxPAPER_B4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 381                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 382                                     (guchar*)(char*)"B4" );
 383                                 break;
 384         case wxPAPER_B5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 385                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 386                                     (guchar*)(char*)"B5" );
 387                                 break;
 388         case wxPAPER_LETTER:        gs_libGnomePrint->gnome_print_config_set( m_config,
 389                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 390                                     (guchar*)(char*)"USLetter" );
 391                                 break;
 392         case wxPAPER_LEGAL:     gs_libGnomePrint->gnome_print_config_set( m_config,
 393                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 394                                     (guchar*)(char*)"USLegal" );
 395                                 break;
 396         case wxPAPER_EXECUTIVE: gs_libGnomePrint->gnome_print_config_set( m_config,
 397                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 398                                     (guchar*)(char*)"Executive" );
 399                                 break;
 400         case wxPAPER_ENV_C5:    gs_libGnomePrint->gnome_print_config_set( m_config,
 401                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 402                                     (guchar*)(char*)"C5" );
 403                                 break;
 404         case wxPAPER_ENV_C6:    gs_libGnomePrint->gnome_print_config_set( m_config,
 405                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 406                                     (guchar*)(char*)"C6" );
 407                                 break;
 408         case wxPAPER_NONE:      break;
 409
 410         default:
 411         case wxPAPER_A4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 412                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 413                                     (guchar*)(char*)"A4" );
 414                                 break;
 415     }
 416
 417     return true;
 418 }
 419
 420 //----------------------------------------------------------------------------
 421 // wxGnomePrintFactory
 422 //----------------------------------------------------------------------------
 423
 424 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 425 {
 426     return new wxGnomePrinter( data );
 427 }
 428
 429 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 430                                                     wxPrintout *printout,
 431                                                     wxPrintDialogData *data )
 432 {
 433     return new wxGnomePrintPreview( preview, printout, data );
 434 }
 435
 436 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 437                                                     wxPrintout *printout,
 438                                                     wxPrintData *data )
 439 {
 440     return new wxGnomePrintPreview( preview, printout, data );
 441 }
 442
 443 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 444                                                   wxPrintDialogData *data )
 445 {
 446     return new wxGnomePrintDialog( parent, data );
 447 }
 448
 449 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 450                                                   wxPrintData *data )
 451 {
 452     return new wxGnomePrintDialog( parent, data );
 453 }
 454
 455 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 456                                                           wxPageSetupDialogData * data )
 457 {
 458 //  The native page setup dialog is broken. It
 459 //  miscalculates newly entered values for the
 460 //  margins if you have not chose "points" but
 461 //  e.g. centimerters.
 462 //  This has been fixed in GNOME CVS (maybe
 463 //  fixed in libgnomeprintui 2.8.1)
 464
 465     return new wxGnomePageSetupDialog( parent, data );
 466 }
 467
 468 bool wxGnomePrintFactory::HasPrintSetupDialog()
 469 {
 470     return false;
 471 }
 472
 473 wxDialog *
 474 wxGnomePrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 475                                             wxPrintData * WXUNUSED(data))
 476 {
 477     return NULL;
 478 }
 479
 480
 481 #if wxUSE_NEW_DC
 482
 483 wxDCImpl* wxGnomePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 484 {
 485     return new wxGnomePrinterDCImpl( owner, data );
 486 }
 487
 488 #else
 489
 490 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 491 {
 492     return new wxGnomePrinterDC(data);
 493 }
 494
 495 #endif
 496
 497 bool wxGnomePrintFactory::HasOwnPrintToFile()
 498 {
 499     return true;
 500 }
 501
 502 bool wxGnomePrintFactory::HasPrinterLine()
 503 {
 504     return true;
 505 }
 506
 507 wxString wxGnomePrintFactory::CreatePrinterLine()
 508 {
 509     // redundant now
 510     return wxEmptyString;
 511 }
 512
 513 bool wxGnomePrintFactory::HasStatusLine()
 514 {
 515     // redundant now
 516     return true;
 517 }
 518
 519 wxString wxGnomePrintFactory::CreateStatusLine()
 520 {
 521     // redundant now
 522     return wxEmptyString;
 523 }
 524
 525 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 526 {
 527     return new wxGnomePrintNativeData;
 528 }
 529
 530 //----------------------------------------------------------------------------
 531 // wxGnomePrintSetupDialog
 532 //----------------------------------------------------------------------------
 533
 534 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 535
 536 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 537                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 538                                wxPoint(0, 0), wxSize(600, 600),
 539                                wxDEFAULT_DIALOG_STYLE |
 540                                wxTAB_TRAVERSAL)
 541 {
 542     if (data)
 543         m_printDialogData = *data;
 544
 545     Init();
 546 }
 547
 548 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 549                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 550                                wxPoint(0, 0), wxSize(600, 600),
 551                                wxDEFAULT_DIALOG_STYLE |
 552                                wxTAB_TRAVERSAL)
 553 {
 554     if (data)
 555         m_printDialogData = *data;
 556
 557     Init();
 558 }
 559
 560 void wxGnomePrintDialog::Init()
 561 {
 562     wxPrintData data = m_printDialogData.GetPrintData();
 563
 564     data.ConvertToNative();
 565
 566     wxGnomePrintNativeData *native =
 567       (wxGnomePrintNativeData*) data.GetNativeData();
 568
 569     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 570                                        (guchar*)"Print",
 571                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 572
 573     int flag = 0;
 574     if (m_printDialogData.GetEnableSelection())
 575         flag |= GNOME_PRINT_RANGE_SELECTION;
 576     if (m_printDialogData.GetEnablePageNumbers())
 577         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 578
 579     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 580                                              flag,
 581                                              m_printDialogData.GetMinPage(),
 582                                              m_printDialogData.GetMaxPage(),
 583                                              NULL,
 584                                              NULL );
 585 }
 586
 587 wxGnomePrintDialog::~wxGnomePrintDialog()
 588 {
 589     m_widget = NULL;
 590 }
 591
 592 int wxGnomePrintDialog::ShowModal()
 593 {
 594     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 595
 596     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 597     {
 598         gtk_widget_destroy(m_widget);
 599         m_widget = NULL;
 600
 601         return wxID_CANCEL;
 602     }
 603
 604     m_printDialogData.GetPrintData().ConvertFromNative();
 605
 606     gint copies = 1;
 607     gboolean collate = false;
 608     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 609     m_printDialogData.SetNoCopies( copies );
 610     m_printDialogData.SetCollate( collate );
 611
 612     // Cast needed to avoid warnings because the gnome_print_dialog_get_range()
 613     // is declared as returning a wrong enum type.
 614     switch ( static_cast<int>( gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget )))
 615     {
 616         case GNOME_PRINT_RANGE_SELECTION:
 617             m_printDialogData.SetSelection( true );
 618             break;
 619         case GNOME_PRINT_RANGE_ALL:
 620             m_printDialogData.SetAllPages( true );
 621             m_printDialogData.SetFromPage( 0 );
 622             m_printDialogData.SetToPage( 9999 );
 623             break;
 624         case GNOME_PRINT_RANGE_RANGE:
 625         default:
 626             gint start,end;
 627             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 628             m_printDialogData.SetFromPage( start );
 629             m_printDialogData.SetToPage( end );
 630             break;
 631     }
 632
 633     gtk_widget_destroy(m_widget);
 634     m_widget = NULL;
 635
 636     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 637         return wxID_PREVIEW;
 638
 639     return wxID_OK;
 640 }
 641
 642 wxDC *wxGnomePrintDialog::GetPrintDC()
 643 {
 644     // Later
 645     return NULL;
 646 }
 647
 648 bool wxGnomePrintDialog::Validate()
 649 {
 650     return true;
 651 }
 652
 653 bool wxGnomePrintDialog::TransferDataToWindow()
 654 {
 655     return true;
 656 }
 657
 658 bool wxGnomePrintDialog::TransferDataFromWindow()
 659 {
 660     return true;
 661 }
 662
 663 //----------------------------------------------------------------------------
 664 // wxGnomePageSetupDialog
 665 //----------------------------------------------------------------------------
 666
 667 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 668
 669 wxGnomePageSetupDialog::wxGnomePageSetupDialog(wxWindow * WXUNUSED(parent),
 670                                                wxPageSetupDialogData *data)
 671 {
 672     if (data)
 673         m_pageDialogData = *data;
 674
 675     m_pageDialogData.GetPrintData().ConvertToNative();
 676
 677     wxGnomePrintNativeData *native =
 678       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 679
 680     // This *was* required as the page setup dialog
 681     // calculates wrong values otherwise.
 682 #if 0
 683     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 684                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 685                             (const guchar*) "Pts" );
 686 #endif
 687
 688     GnomePrintConfig *config = native->GetPrintConfig();
 689
 690     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 691
 692     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 693     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 694     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 695     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 696
 697     gs_libGnomePrint->gnome_print_config_set_length (config,
 698             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 699     gs_libGnomePrint->gnome_print_config_set_length (config,
 700             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 701     gs_libGnomePrint->gnome_print_config_set_length (config,
 702             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 703     gs_libGnomePrint->gnome_print_config_set_length (config,
 704             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 705
 706     m_widget = gtk_dialog_new();
 707
 708     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 709
 710     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 711         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 712     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 713     gtk_widget_show (main);
 714
 715     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 716
 717     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 718
 719     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 720                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 721                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 722                             NULL);
 723
 724     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 725                             GTK_RESPONSE_OK);
 726 }
 727
 728 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 729 {
 730 }
 731
 732 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 733 {
 734     return m_pageDialogData;
 735 }
 736
 737 int wxGnomePageSetupDialog::ShowModal()
 738 {
 739     wxGnomePrintNativeData *native =
 740       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 741
 742     GnomePrintConfig *config = native->GetPrintConfig();
 743
 744
 745     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 746
 747     if (ret == GTK_RESPONSE_OK)
 748     {
 749         // Transfer data back to m_pageDialogData
 750         m_pageDialogData.GetPrintData().ConvertFromNative();
 751
 752         // I don't know how querying the last parameter works
 753         double ml,mr,mt,mb,pw,ph;
 754         gs_libGnomePrint->gnome_print_config_get_length (config,
 755             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 756         gs_libGnomePrint->gnome_print_config_get_length (config,
 757             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 758         gs_libGnomePrint->gnome_print_config_get_length (config,
 759             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 760         gs_libGnomePrint->gnome_print_config_get_length (config,
 761             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 762         gs_libGnomePrint->gnome_print_config_get_length (config,
 763             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 764         gs_libGnomePrint->gnome_print_config_get_length (config,
 765             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 766
 767         // This code converts correctly from what the user chose
 768         // as the unit although I query Pts here
 769         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 770         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 771         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 772         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 773         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 774         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 775         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 776         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 777
 778         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 779         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 780
 781         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 782
 783         ret = wxID_OK;
 784     }
 785     else
 786     {
 787         ret = wxID_CANCEL;
 788     }
 789
 790     gtk_widget_destroy( m_widget );
 791     m_widget = NULL;
 792
 793     return ret;
 794 }
 795
 796 bool wxGnomePageSetupDialog::Validate()
 797 {
 798     return true;
 799 }
 800
 801 bool wxGnomePageSetupDialog::TransferDataToWindow()
 802 {
 803     return true;
 804 }
 805
 806 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 807 {
 808     return true;
 809 }
 810
 811 //----------------------------------------------------------------------------
 812 // wxGnomePrinter
 813 //----------------------------------------------------------------------------
 814
 815 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 816
 817 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 818     wxPrinterBase( data )
 819 {
 820     m_native_preview = false;
 821 }
 822
 823 wxGnomePrinter::~wxGnomePrinter()
 824 {
 825 }
 826
 827 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 828 {
 829     if (!printout)
 830     {
 831         sm_lastError = wxPRINTER_ERROR;
 832         return false;
 833     }
 834
 835     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 836
 837     wxGnomePrintNativeData *native =
 838         (wxGnomePrintNativeData*) printdata.GetNativeData();
 839
 840     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 841
 842     // The GnomePrintJob is temporarily stored in the
 843     // native print data as the native print dialog
 844     // needs to access it.
 845     native->SetPrintJob( job );
 846
 847
 848     if (m_printDialogData.GetMinPage() < 1)
 849         m_printDialogData.SetMinPage(1);
 850     if (m_printDialogData.GetMaxPage() < 1)
 851         m_printDialogData.SetMaxPage(9999);
 852
 853     wxDC *dc;
 854     if (prompt)
 855         dc = PrintDialog( parent );
 856     else
 857 #if wxUSE_NEW_DC
 858         dc = new wxPrinterDC( printdata );  // TODO: check that this works
 859 #else
 860         dc = new wxGnomePrinterDC( printdata );  // TODO: check that this works
 861 #endif
 862
 863     if (!dc)
 864     {
 865         gs_libGnomePrint->gnome_print_job_close( job );
 866         g_object_unref (job);
 867         if (sm_lastError != wxPRINTER_CANCELLED)
 868             sm_lastError = wxPRINTER_ERROR;
 869         return false;
 870     }
 871
 872     printout->SetPPIScreen(wxGetDisplayPPI());
 873     printout->SetPPIPrinter( dc->GetResolution(),
 874                              dc->GetResolution() );
 875
 876     printout->SetDC(dc);
 877
 878     int w, h;
 879     dc->GetSize(&w, &h);
 880     printout->SetPageSizePixels((int)w, (int)h);
 881     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 882     int mw, mh;
 883     dc->GetSizeMM(&mw, &mh);
 884     printout->SetPageSizeMM((int)mw, (int)mh);
 885     printout->OnPreparePrinting();
 886
 887     // Get some parameters from the printout, if defined
 888     int fromPage, toPage;
 889     int minPage, maxPage;
 890     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 891
 892     if (maxPage == 0)
 893     {
 894         gs_libGnomePrint->gnome_print_job_close( job );
 895         g_object_unref (job);
 896         sm_lastError = wxPRINTER_ERROR;
 897         return false;
 898     }
 899
 900     printout->OnBeginPrinting();
 901
 902     int minPageNum = minPage, maxPageNum = maxPage;
 903
 904     if ( !m_printDialogData.GetAllPages() )
 905     {
 906         minPageNum = m_printDialogData.GetFromPage();
 907         maxPageNum = m_printDialogData.GetToPage();
 908     }
 909
 910
 911     int copyCount;
 912     for ( copyCount = 1;
 913           copyCount <= m_printDialogData.GetNoCopies();
 914           copyCount++ )
 915     {
 916         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 917         {
 918             wxLogError(_("Could not start printing."));
 919             sm_lastError = wxPRINTER_ERROR;
 920             break;
 921         }
 922
 923         int pn;
 924         for ( pn = minPageNum;
 925               pn <= maxPageNum && printout->HasPage(pn);
 926               pn++ )
 927         {
 928             dc->StartPage();
 929             printout->OnPrintPage(pn);
 930             dc->EndPage();
 931         }
 932
 933         printout->OnEndDocument();
 934         printout->OnEndPrinting();
 935     }
 936
 937     gs_libGnomePrint->gnome_print_job_close( job );
 938     if (m_native_preview)
 939     {
 940         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 941         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 942                                      (
 943                                         job,
 944                                         (const guchar *)title.data()
 945                                      );
 946         gtk_widget_show(preview);
 947     }
 948     else
 949     {
 950         gs_libGnomePrint->gnome_print_job_print( job );
 951     }
 952
 953     g_object_unref (job);
 954     delete dc;
 955
 956     return (sm_lastError == wxPRINTER_NO_ERROR);
 957 }
 958
 959 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 960 {
 961     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 962     int ret = dialog.ShowModal();
 963     if (ret == wxID_CANCEL)
 964     {
 965         sm_lastError = wxPRINTER_CANCELLED;
 966         return NULL;
 967     }
 968
 969     m_native_preview = ret == wxID_PREVIEW;
 970
 971     m_printDialogData = dialog.GetPrintDialogData();
 972 #if wxUSE_NEW_DC
 973     return new wxPrinterDC( m_printDialogData.GetPrintData() );
 974 #else
 975     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 976 #endif
 977 }
 978
 979 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 980 {
 981     return false;
 982 }
 983
 984 //-----------------------------------------------------------------------------
 985 // wxGnomePrinterDC
 986 //-----------------------------------------------------------------------------
 987
 988 // conversion
 989 static const double RAD2DEG  = 180.0 / M_PI;
 990
 991 // we don't want to use only 72 dpi from GNOME print
 992 static const int DPI = 600;
 993 static const double PS2DEV = 600.0 / 72.0;
 994 static const double DEV2PS = 72.0 / 600.0;
 995
 996 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 997 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 998 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 999 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
1000
1001 #if wxUSE_NEW_DC
1002 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDCImpl, wxDCImpl)
1003 #else
1004 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDC, wxDC)
1005 #endif
1006
1007 #if wxUSE_NEW_DC
1008 wxGnomePrinterDCImpl::wxGnomePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) :
1009    wxDCImpl( owner )
1010 #else
1011 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
1012 #endif
1013 {
1014     m_printData = data;
1015
1016     wxGnomePrintNativeData *native =
1017         (wxGnomePrintNativeData*) m_printData.GetNativeData();
1018
1019     m_job = native->GetPrintJob();
1020     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
1021
1022     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1023     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1024     m_context = NULL;
1025
1026     m_currentRed = 0;
1027     m_currentBlue = 0;
1028     m_currentGreen = 0;
1029
1030     // Query page size. This seems to omit the margins
1031     double pw,ph;
1032     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1033
1034     m_pageHeight = ph * PS2DEV;
1035 }
1036
1037 wxGnomePrinterDCImpl::~wxGnomePrinterDCImpl()
1038 {
1039 }
1040
1041 bool wxGnomePrinterDCImpl::IsOk() const
1042 {
1043     return true;
1044 }
1045
1046 bool
1047 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1048                             wxCoord WXUNUSED(y1),
1049                             const wxColour& WXUNUSED(col),
1050                             wxFloodFillStyle WXUNUSED(style))
1051 {
1052     return false;
1053 }
1054
1055 bool
1056 wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1057                            wxCoord WXUNUSED(y1),
1058                            wxColour * WXUNUSED(col)) const
1059 {
1060     return false;
1061 }
1062
1063 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1064 {
1065     if ( m_pen.IsTransparent() )
1066         return;
1067
1068     SetPen( m_pen );
1069
1070     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1071     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1072     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1073
1074     CalcBoundingBox( x1, y1 );
1075     CalcBoundingBox( x2, y2 );
1076 }
1077
1078 void wxGnomePrinterDCImpl::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1079 {
1080 }
1081
1082 void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1083 {
1084     double dx = x1 - xc;
1085     double dy = y1 - yc;
1086     double radius = sqrt((double)(dx*dx+dy*dy));
1087     double alpha1, alpha2;
1088     if (x1 == x2 && y1 == y2)
1089     {
1090         alpha1 = 0.0;
1091         alpha2 = 360.0;
1092     }
1093     else if ( wxIsNullDouble(radius) )
1094     {
1095         alpha1 =
1096         alpha2 = 0.0;
1097     }
1098     else
1099     {
1100         alpha1 = (x1 - xc == 0) ?
1101             (y1 - yc < 0) ? 90.0 : -90.0 :
1102             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1103         alpha2 = (x2 - xc == 0) ?
1104             (y2 - yc < 0) ? 90.0 : -90.0 :
1105             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1106
1107         while (alpha1 <= 0)   alpha1 += 360;
1108         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1109         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1110         while (alpha2 > 360)  alpha2 -= 360;
1111     }
1112
1113     if ( m_brush.IsNonTransparent() )
1114     {
1115         SetBrush( m_brush );
1116         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1117         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1118
1119         gs_libGnomePrint->gnome_print_fill( m_gpc );
1120     }
1121
1122     if ( m_pen.IsNonTransparent() )
1123     {
1124         SetPen (m_pen);
1125         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1126         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1127         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1128         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1129
1130         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1131     }
1132
1133     CalcBoundingBox (x1, y1);
1134     CalcBoundingBox (x2, y2);
1135     CalcBoundingBox (xc, yc);
1136 }
1137
1138 void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1139 {
1140     x += w/2;
1141     y += h/2;
1142
1143     double xx = XLOG2DEV(x);
1144     double yy = YLOG2DEV(y);
1145
1146     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1147
1148     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1149     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1150     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1151
1152     xx = 0.0;
1153     yy = 0.0;
1154
1155     if ( m_brush.IsNonTransparent() )
1156     {
1157         SetBrush( m_brush );
1158
1159         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1160         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1161             XLOG2DEVREL(w)/2, sa, ea, 0 );
1162         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1163
1164         gs_libGnomePrint->gnome_print_fill( m_gpc );
1165     }
1166
1167     if ( m_pen.IsNonTransparent() )
1168     {
1169         SetPen (m_pen);
1170
1171         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1172             XLOG2DEVREL(w)/2, sa, ea, 0 );
1173
1174         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1175     }
1176
1177     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1178
1179     CalcBoundingBox( x, y );
1180     CalcBoundingBox( x+w, y+h );
1181 }
1182
1183 void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1184 {
1185 }
1186
1187 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1188 {
1189     if (n <= 0) return;
1190
1191     if ( m_pen.IsTransparent() )
1192         return;
1193
1194     SetPen (m_pen);
1195
1196     int i;
1197     for ( i =0; i<n ; i++ )
1198         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1199
1200     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1201
1202     for (i = 1; i < n; i++)
1203         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1204
1205     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1206 }
1207
1208 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1209                                    wxCoord xoffset, wxCoord yoffset,
1210                                    wxPolygonFillMode WXUNUSED(fillStyle))
1211 {
1212     if (n==0) return;
1213
1214     if ( m_brush.IsNonTransparent() )
1215     {
1216         SetBrush( m_brush );
1217
1218         int x = points[0].x + xoffset;
1219         int y = points[0].y + yoffset;
1220         CalcBoundingBox( x, y );
1221         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1222         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1223         int i;
1224         for (i = 1; i < n; i++)
1225         {
1226             x = points[i].x + xoffset;
1227             y = points[i].y + yoffset;
1228             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1229             CalcBoundingBox( x, y );
1230         }
1231         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1232         gs_libGnomePrint->gnome_print_fill( m_gpc );
1233     }
1234
1235     if ( m_pen.IsNonTransparent() )
1236     {
1237         SetPen (m_pen);
1238
1239         int x = points[0].x + xoffset;
1240         int y = points[0].y + yoffset;
1241         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1242         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1243         int i;
1244         for (i = 1; i < n; i++)
1245         {
1246             x = points[i].x + xoffset;
1247             y = points[i].y + yoffset;
1248             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1249             CalcBoundingBox( x, y );
1250         }
1251         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1252         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1253     }
1254 }
1255
1256 void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle)
1257 {
1258 #if wxUSE_NEW_DC
1259     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1260 #else
1261     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1262 #endif
1263 }
1264
1265 void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1266 {
1267     width--;
1268     height--;
1269
1270     if ( m_brush.IsNonTransparent() )
1271     {
1272         SetBrush( m_brush );
1273
1274         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1275         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1276         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1277         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1278         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1279         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1280         gs_libGnomePrint->gnome_print_fill( m_gpc );
1281
1282         CalcBoundingBox( x, y );
1283         CalcBoundingBox( x + width, y + height );
1284     }
1285
1286     if ( m_pen.IsNonTransparent() )
1287     {
1288         SetPen (m_pen);
1289
1290         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1291         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1292         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1293         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1294         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1295         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1296         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1297
1298         CalcBoundingBox( x, y );
1299         CalcBoundingBox( x + width, y + height );
1300     }
1301 }
1302
1303 void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1304 {
1305     width--;
1306     height--;
1307
1308     wxCoord rad = wxRound( radius );
1309
1310     if ( m_brush.IsNonTransparent() )
1311     {
1312         SetBrush(m_brush);
1313         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1314         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1315         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1316                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1317                                     XLOG2DEV(x),YLOG2DEV(y),
1318                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1319         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1320         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1321                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1322                                     XLOG2DEV(x),YLOG2DEV(y + height),
1323                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1324         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1325         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1326                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1327                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1328                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1329         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1330         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1331                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1332                                     XLOG2DEV(x + width),YLOG2DEV(y),
1333                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1334         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1335         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1336         gs_libGnomePrint->gnome_print_fill(m_gpc);
1337
1338         CalcBoundingBox(x,y);
1339         CalcBoundingBox(x+width,y+height);
1340     }
1341
1342     if ( m_pen.IsNonTransparent() )
1343     {
1344         SetPen(m_pen);
1345         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1346         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1347         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1348                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1349                                     XLOG2DEV(x),YLOG2DEV(y),
1350                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1351         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1352         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1353                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1354                                     XLOG2DEV(x),YLOG2DEV(y + height),
1355                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1356         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1357         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1358                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1359                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1360                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1361         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1362         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1363                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1364                                     XLOG2DEV(x + width),YLOG2DEV(y),
1365                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1366         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1367         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1368         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1369
1370         CalcBoundingBox(x,y);
1371         CalcBoundingBox(x+width,y+height);
1372     }
1373 }
1374
1375 void wxGnomePrinterDCImpl::makeEllipticalPath(wxCoord x, wxCoord y,
1376                                         wxCoord width, wxCoord height)
1377 {
1378     double r = 4 * (sqrt(2.) - 1) / 3;
1379     double  halfW = 0.5 * width,
1380             halfH = 0.5 * height,
1381             halfWR = r * halfW,
1382             halfHR = r * halfH;
1383     wxCoord halfWI = (wxCoord) halfW,
1384             halfHI = (wxCoord) halfH;
1385
1386     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1387
1388     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1389     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1390                 XLOG2DEV(x + width),
1391                 YLOG2DEV(y + halfHI) );
1392     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1393                 XLOG2DEV(x + width),
1394                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1395                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1396                 YLOG2DEV(y + height),
1397                 XLOG2DEV(x + halfWI),
1398                 YLOG2DEV(y + height) );
1399     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1400                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1401                 YLOG2DEV(y + height),
1402                 XLOG2DEV(x),
1403                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1404                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1405     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1406                 XLOG2DEV(x),
1407                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1408                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1409                 YLOG2DEV(y),
1410                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1411     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1412                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1413                 YLOG2DEV(y),
1414                 XLOG2DEV(x + width),
1415                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1416                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1417
1418     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1419 }
1420
1421 void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1422 {
1423     width--;
1424     height--;
1425
1426     if ( m_brush.IsNonTransparent() )
1427     {
1428         SetBrush( m_brush );
1429         makeEllipticalPath( x, y, width, height );
1430         gs_libGnomePrint->gnome_print_fill( m_gpc );
1431         CalcBoundingBox( x, y );
1432         CalcBoundingBox( x + width, y + height );
1433     }
1434
1435     if ( m_pen.IsNonTransparent() )
1436     {
1437         SetPen (m_pen);
1438         makeEllipticalPath( x, y, width, height );
1439         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1440         CalcBoundingBox( x, y );
1441         CalcBoundingBox( x + width, y + height );
1442     }
1443 }
1444
1445 #if wxUSE_SPLINES
1446 void wxGnomePrinterDCImpl::DoDrawSpline(const wxPointList *points)
1447 {
1448     SetPen (m_pen);
1449
1450     double c, d, x1, y1, x2, y2, x3, y3;
1451     wxPoint *p, *q;
1452
1453     wxPointList::compatibility_iterator node = points->GetFirst();
1454     p = node->GetData();
1455     x1 = p->x;
1456     y1 = p->y;
1457
1458     node = node->GetNext();
1459     p = node->GetData();
1460     c = p->x;
1461     d = p->y;
1462     x3 =
1463          (double)(x1 + c) / 2;
1464     y3 =
1465          (double)(y1 + d) / 2;
1466
1467     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1468     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1469     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1470
1471     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1472     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1473
1474     node = node->GetNext();
1475     while (node)
1476     {
1477         q = node->GetData();
1478
1479         x1 = x3;
1480         y1 = y3;
1481         x2 = c;
1482         y2 = d;
1483         c = q->x;
1484         d = q->y;
1485         x3 = (double)(x2 + c) / 2;
1486         y3 = (double)(y2 + d) / 2;
1487
1488         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1489             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1490             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1491             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1492
1493         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1494         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1495
1496         node = node->GetNext();
1497     }
1498
1499     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1500
1501     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1502 }
1503 #endif // wxUSE_SPLINES
1504
1505 bool
1506 wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1507                       wxCoord width, wxCoord height,
1508                       wxDC *source,
1509                       wxCoord xsrc, wxCoord ysrc,
1510                       wxRasterOperationMode rop,
1511                       bool WXUNUSED(useMask),
1512                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1513 {
1514     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1515
1516     // blit into a bitmap
1517     wxBitmap bitmap( width, height );
1518     wxMemoryDC memDC;
1519     memDC.SelectObject(bitmap);
1520     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1521     memDC.SelectObject(wxNullBitmap);
1522
1523     // draw bitmap. scaling and positioning is done there
1524     GetOwner()->DrawBitmap( bitmap, xdest, ydest );
1525
1526     return true;
1527 }
1528
1529 void wxGnomePrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1530 {
1531     DoDrawBitmap( icon, x, y, true );
1532 }
1533
1534 void
1535 wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
1536                              wxCoord x, wxCoord y,
1537                              bool WXUNUSED(useMask))
1538 {
1539     if (!bitmap.IsOk()) return;
1540
1541     if (bitmap.HasPixbuf())
1542     {
1543         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1544         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1545         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1546         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1547         int height = gdk_pixbuf_get_height( pixbuf );
1548         int width = gdk_pixbuf_get_width( pixbuf );
1549
1550         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1551         double matrix[6];
1552         matrix[0] = XLOG2DEVREL(width);
1553         matrix[1] = 0;
1554         matrix[2] = 0;
1555         matrix[3] = YLOG2DEVREL(height);
1556         matrix[4] = XLOG2DEV(x);
1557         matrix[5] = YLOG2DEV(y+height);
1558         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1559         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1560         if (has_alpha)
1561             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1562         else
1563             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1564         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1565     }
1566     else
1567     {
1568         wxImage image = bitmap.ConvertToImage();
1569
1570         if (!image.IsOk()) return;
1571
1572         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1573         double matrix[6];
1574         matrix[0] = XLOG2DEVREL(image.GetWidth());
1575         matrix[1] = 0;
1576         matrix[2] = 0;
1577         matrix[3] = YLOG2DEVREL(image.GetHeight());
1578         matrix[4] = XLOG2DEV(x);
1579         matrix[5] = YLOG2DEV(y+image.GetHeight());
1580         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1581         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1582         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1583         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1584     }
1585 }
1586
1587 void wxGnomePrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1588 {
1589     DoDrawRotatedText( text, x, y, 0.0 );
1590 }
1591
1592 void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1593 {
1594     double xx = XLOG2DEV(x);
1595     double yy = YLOG2DEV(y);
1596
1597     const wxScopedCharBuffer data(text.utf8_str());
1598
1599     pango_layout_set_text(m_layout, data, data.length());
1600     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1601
1602     if (m_textForegroundColour.IsOk())
1603     {
1604         unsigned char red = m_textForegroundColour.Red();
1605         unsigned char blue = m_textForegroundColour.Blue();
1606         unsigned char green = m_textForegroundColour.Green();
1607
1608         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1609         {
1610             double redPS = (double)(red) / 255.0;
1611             double bluePS = (double)(blue) / 255.0;
1612             double greenPS = (double)(green) / 255.0;
1613
1614             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1615
1616             m_currentRed = red;
1617             m_currentBlue = blue;
1618             m_currentGreen = green;
1619         }
1620     }
1621
1622 #if 0
1623         if ( m_backgroundMode == wxSOLID )
1624         {
1625             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1626             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1627             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1628         }
1629 #endif
1630
1631     // Draw layout.
1632     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1633
1634     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1635
1636     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1637
1638     if (fabs(angle) > 0.00001)
1639         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1640
1641     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1642
1643     int w,h;
1644     pango_layout_get_pixel_size( m_layout, &w, &h );
1645
1646     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1647
1648     if (setAttrs)
1649     {
1650         // undo underline attributes setting:
1651         pango_layout_set_attributes(m_layout, NULL);
1652     }
1653
1654     CalcBoundingBox(x, y);
1655     CalcBoundingBox(x + w, y + h);
1656 }
1657
1658 void wxGnomePrinterDCImpl::Clear()
1659 {
1660 }
1661
1662 void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
1663 {
1664     m_font = font;
1665
1666     if (m_font.IsOk())
1667     {
1668         if (m_fontdesc)
1669             pango_font_description_free( m_fontdesc );
1670
1671         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1672
1673         float size = pango_font_description_get_size( m_fontdesc );
1674         size = size * GetFontPointSizeAdjustment(72.0);
1675         pango_font_description_set_size( m_fontdesc, (gint)size );
1676
1677         pango_layout_set_font_description( m_layout, m_fontdesc );
1678     }
1679 }
1680
1681 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
1682 {
1683     if (!pen.IsOk()) return;
1684
1685     m_pen = pen;
1686
1687     double width;
1688
1689     if (m_pen.GetWidth() <= 0)
1690         width = 0.1;
1691     else
1692         width = (double) m_pen.GetWidth();
1693
1694     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1695
1696     static const double dotted[] =  {2.0, 5.0};
1697     static const double short_dashed[] = {4.0, 4.0};
1698     static const double wxCoord_dashed[] = {4.0, 8.0};
1699     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1700
1701     switch (m_pen.GetStyle())
1702     {
1703         case wxPENSTYLE_DOT:        gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1704         case wxPENSTYLE_SHORT_DASH: gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1705         case wxPENSTYLE_LONG_DASH:  gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1706         case wxPENSTYLE_DOT_DASH:   gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1707         case wxPENSTYLE_USER_DASH:
1708         {
1709             // It may be noted that libgnomeprint between at least
1710             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1711             // and then leak the memory since it doesn't set the
1712             // internal flag "privatedash" to 0.
1713             wxDash *wx_dashes;
1714             int num = m_pen.GetDashes (&wx_dashes);
1715             gdouble *g_dashes = g_new( gdouble, num );
1716             int i;
1717             for (i = 0; i < num; ++i)
1718                 g_dashes[i] = (gdouble) wx_dashes[i];
1719             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1720             g_free( g_dashes );
1721         }
1722         break;
1723         case wxPENSTYLE_SOLID:
1724         case wxPENSTYLE_TRANSPARENT:
1725         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1726     }
1727
1728
1729     unsigned char red = m_pen.GetColour().Red();
1730     unsigned char blue = m_pen.GetColour().Blue();
1731     unsigned char green = m_pen.GetColour().Green();
1732
1733     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1734     {
1735         double redPS = (double)(red) / 255.0;
1736         double bluePS = (double)(blue) / 255.0;
1737         double greenPS = (double)(green) / 255.0;
1738
1739         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1740
1741         m_currentRed = red;
1742         m_currentBlue = blue;
1743         m_currentGreen = green;
1744     }
1745 }
1746
1747 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
1748 {
1749     if (!brush.IsOk()) return;
1750
1751     m_brush = brush;
1752
1753     // Brush colour
1754     unsigned char red = m_brush.GetColour().Red();
1755     unsigned char blue = m_brush.GetColour().Blue();
1756     unsigned char green = m_brush.GetColour().Green();
1757
1758     if (!m_colour)
1759     {
1760         // Anything not white is black
1761         if (! (red == (unsigned char) 255 &&
1762                blue == (unsigned char) 255 &&
1763                green == (unsigned char) 255) )
1764         {
1765             red = (unsigned char) 0;
1766             green = (unsigned char) 0;
1767             blue = (unsigned char) 0;
1768         }
1769         // setgray here ?
1770     }
1771
1772     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1773     {
1774         double redPS = (double)(red) / 255.0;
1775         double bluePS = (double)(blue) / 255.0;
1776         double greenPS = (double)(green) / 255.0;
1777
1778         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1779
1780         m_currentRed = red;
1781         m_currentBlue = blue;
1782         m_currentGreen = green;
1783     }
1784 }
1785
1786 void wxGnomePrinterDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))
1787 {
1788 }
1789
1790 void wxGnomePrinterDCImpl::SetBackground(const wxBrush& WXUNUSED(brush))
1791 {
1792 }
1793
1794 void wxGnomePrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1795 {
1796 #if wxUSE_NEW_DC
1797     m_clipping = TRUE;    // TODO move somewhere else
1798     m_clipX1 = x;
1799     m_clipY1 = y;
1800     m_clipX2 = x + width;
1801     m_clipY2 = y + height;
1802 #else
1803     wxDC::DoSetClippingRegion( x, y, width, height );
1804 #endif
1805
1806     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1807
1808     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1809     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1810     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1811     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1812     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1813     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1814     gs_libGnomePrint->gnome_print_clip( m_gpc );
1815 }
1816
1817 void wxGnomePrinterDCImpl::DestroyClippingRegion()
1818 {
1819 #if wxUSE_NEW_DC
1820     wxDCImpl::DestroyClippingRegion();
1821 #else
1822     wxDC::DestroyClippingRegion();
1823 #endif
1824
1825     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1826
1827 #if 0
1828     // not needed, we set the values in each
1829     // drawing method anyways
1830     SetPen( m_pen );
1831     SetBrush( m_brush );
1832     SetFont( m_font );
1833 #endif
1834 }
1835
1836 bool wxGnomePrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
1837 {
1838     return true;
1839 }
1840
1841 void wxGnomePrinterDCImpl::EndDoc()
1842 {
1843     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1844 }
1845
1846 void wxGnomePrinterDCImpl::StartPage()
1847 {
1848     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1849 }
1850
1851 void wxGnomePrinterDCImpl::EndPage()
1852 {
1853     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1854 }
1855
1856 wxCoord wxGnomePrinterDCImpl::GetCharHeight() const
1857 {
1858     pango_layout_set_text( m_layout, "H", 1 );
1859
1860     int w,h;
1861     pango_layout_get_pixel_size( m_layout, &w, &h );
1862
1863     return h;
1864 }
1865
1866 wxCoord wxGnomePrinterDCImpl::GetCharWidth() const
1867 {
1868     pango_layout_set_text( m_layout, "H", 1 );
1869
1870     int w,h;
1871     pango_layout_get_pixel_size( m_layout, &w, &h );
1872
1873     return w;
1874 }
1875
1876 void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1877                      wxCoord *descent,
1878                      wxCoord *externalLeading,
1879                      const wxFont *theFont ) const
1880 {
1881     if ( width )
1882         *width = 0;
1883     if ( height )
1884         *height = 0;
1885     if ( descent )
1886         *descent = 0;
1887     if ( externalLeading )
1888         *externalLeading = 0;
1889
1890     if (string.empty())
1891     {
1892         return;
1893     }
1894
1895     // Set layout's text
1896
1897     const wxScopedCharBuffer dataUTF8(string.utf8_str());
1898
1899     gint oldSize = 0;
1900     if ( theFont )
1901     {
1902         // scale the font and apply it
1903         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1904         oldSize = pango_font_description_get_size(desc);
1905         float size = oldSize * GetFontPointSizeAdjustment(72.0);
1906         pango_font_description_set_size(desc, (gint)size);
1907
1908         pango_layout_set_font_description(m_layout, desc);
1909     }
1910
1911     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1912
1913     int h;
1914     pango_layout_get_pixel_size( m_layout, width, &h );
1915     if ( height )
1916         *height = h;
1917
1918     if (descent)
1919     {
1920         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1921         int baseline = pango_layout_iter_get_baseline(iter);
1922         pango_layout_iter_free(iter);
1923         *descent = h - PANGO_PIXELS(baseline);
1924     }
1925
1926     if ( theFont )
1927     {
1928         // restore font and reset font's size back
1929         pango_layout_set_font_description(m_layout, m_fontdesc);
1930
1931         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1932         pango_font_description_set_size(desc, oldSize);
1933     }
1934 }
1935
1936 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
1937 {
1938     wxGnomePrintNativeData *native =
1939       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1940
1941     // Query page size. This seems to omit the margins
1942     double pw,ph;
1943     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1944
1945     if (width)
1946         *width = wxRound( pw * PS2DEV );
1947
1948     if (height)
1949         *height = wxRound( ph * PS2DEV );
1950 }
1951
1952 void wxGnomePrinterDCImpl::DoGetSizeMM(int *width, int *height) const
1953 {
1954     wxGnomePrintNativeData *native =
1955       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1956
1957     // This code assumes values in Pts.
1958
1959     double pw,ph;
1960     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1961
1962     // Convert to mm.
1963
1964     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1965     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1966     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1967     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1968
1969     if (width)
1970         *width = (int) (pw + 0.5);
1971     if (height)
1972         *height = (int) (ph + 0.5);
1973 }
1974
1975 wxSize wxGnomePrinterDCImpl::GetPPI() const
1976 {
1977     return wxSize(DPI,DPI);
1978 }
1979
1980 void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
1981 {
1982     m_printData = data;
1983
1984     int height;
1985     if (m_printData.GetOrientation() == wxPORTRAIT)
1986         GetOwner()->GetSize( NULL, &height );
1987     else
1988         GetOwner()->GetSize( &height, NULL );
1989     m_deviceLocalOriginY = height;
1990 }
1991
1992 // overridden for wxPrinterDC Impl
1993
1994 int wxGnomePrinterDCImpl::GetResolution() const
1995 {
1996     return DPI;
1997 }
1998
1999 wxRect wxGnomePrinterDCImpl::GetPaperRect() const
2000 {
2001     // GNOME print doesn't support printer margins
2002     int w = 0;
2003     int h = 0;
2004     DoGetSize( &w, &h );
2005     return wxRect( 0, 0, w, h );
2006 }
2007
2008 // ----------------------------------------------------------------------------
2009 // wxGnomePrintModule
2010 // ----------------------------------------------------------------------------
2011
2012 bool wxGnomePrintModule::OnInit()
2013 {
2014     gs_libGnomePrint = new wxGnomePrintLibrary;
2015     if (gs_libGnomePrint->IsOk())
2016         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
2017     return true;
2018 }
2019
2020 void wxGnomePrintModule::OnExit()
2021 {
2022     wxDELETE(gs_libGnomePrint);
2023 }
2024
2025 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
2026
2027 // ----------------------------------------------------------------------------
2028 // Print preview
2029 // ----------------------------------------------------------------------------
2030
2031 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2032
2033 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2034                                     wxPrintout * WXUNUSED(printoutForPrinting))
2035 {
2036     DetermineScaling();
2037 }
2038
2039 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2040                                                    wxPrintout *printoutForPrinting,
2041                                                    wxPrintDialogData *data)
2042                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2043 {
2044     Init(printout, printoutForPrinting);
2045 }
2046
2047 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2048                                                    wxPrintout *printoutForPrinting,
2049                                                    wxPrintData *data)
2050                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2051 {
2052     Init(printout, printoutForPrinting);
2053 }
2054
2055 wxGnomePrintPreview::~wxGnomePrintPreview()
2056 {
2057 }
2058
2059 bool wxGnomePrintPreview::Print(bool interactive)
2060 {
2061     if (!m_printPrintout)
2062         return false;
2063
2064     wxPrinter printer(& m_printDialogData);
2065     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2066 }
2067
2068 void wxGnomePrintPreview::DetermineScaling()
2069 {
2070     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2071     if (paperType == wxPAPER_NONE)
2072         paperType = wxPAPER_NONE;
2073
2074     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2075     if (!paper)
2076         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2077
2078     if (paper)
2079     {
2080         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2081
2082         int resolution = DPI;
2083         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2084
2085         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2086
2087         // TODO: get better resolution information from wxGnomePrinterDCImpl, if possible.
2088
2089         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
2090         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
2091         wxSize sizeTenthsMM(paper->GetSize());
2092         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2093
2094         // If in landscape mode, we need to swap the width and height.
2095         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2096         {
2097             m_pageWidth = sizeDevUnits.y;
2098             m_pageHeight = sizeDevUnits.x;
2099             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2100         }
2101         else
2102         {
2103             m_pageWidth = sizeDevUnits.x;
2104             m_pageHeight = sizeDevUnits.y;
2105             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2106         }
2107         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2108         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2109
2110         // At 100%, the page should look about page-size on the screen.
2111         m_previewScaleX = (double)0.8 * 72.0 / (double)resolution;
2112         m_previewScaleY = m_previewScaleX;
2113     }
2114 }
2115
2116 #endif
2117     // wxUSE_LIBGNOMEPRINT