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     DECLARE_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     switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 613     {
 614         case GNOME_PRINT_RANGE_SELECTION:
 615             m_printDialogData.SetSelection( true );
 616             break;
 617         case GNOME_PRINT_RANGE_ALL:
 618             m_printDialogData.SetAllPages( true );
 619             m_printDialogData.SetFromPage( 0 );
 620             m_printDialogData.SetToPage( 9999 );
 621             break;
 622         case GNOME_PRINT_RANGE_RANGE:
 623         default:
 624             gint start,end;
 625             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 626             m_printDialogData.SetFromPage( start );
 627             m_printDialogData.SetToPage( end );
 628             break;
 629     }
 630
 631     gtk_widget_destroy(m_widget);
 632     m_widget = NULL;
 633
 634     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 635         return wxID_PREVIEW;
 636
 637     return wxID_OK;
 638 }
 639
 640 wxDC *wxGnomePrintDialog::GetPrintDC()
 641 {
 642     // Later
 643     return NULL;
 644 }
 645
 646 bool wxGnomePrintDialog::Validate()
 647 {
 648     return true;
 649 }
 650
 651 bool wxGnomePrintDialog::TransferDataToWindow()
 652 {
 653     return true;
 654 }
 655
 656 bool wxGnomePrintDialog::TransferDataFromWindow()
 657 {
 658     return true;
 659 }
 660
 661 //----------------------------------------------------------------------------
 662 // wxGnomePageSetupDialog
 663 //----------------------------------------------------------------------------
 664
 665 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 666
 667 wxGnomePageSetupDialog::wxGnomePageSetupDialog(wxWindow * WXUNUSED(parent),
 668                                                wxPageSetupDialogData *data)
 669 {
 670     if (data)
 671         m_pageDialogData = *data;
 672
 673     m_pageDialogData.GetPrintData().ConvertToNative();
 674
 675     wxGnomePrintNativeData *native =
 676       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 677
 678     // This *was* required as the page setup dialog
 679     // calculates wrong values otherwise.
 680 #if 0
 681     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 682                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 683                             (const guchar*) "Pts" );
 684 #endif
 685
 686     GnomePrintConfig *config = native->GetPrintConfig();
 687
 688     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 689
 690     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 691     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 692     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 693     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 694
 695     gs_libGnomePrint->gnome_print_config_set_length (config,
 696             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 697     gs_libGnomePrint->gnome_print_config_set_length (config,
 698             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 699     gs_libGnomePrint->gnome_print_config_set_length (config,
 700             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 701     gs_libGnomePrint->gnome_print_config_set_length (config,
 702             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 703
 704     m_widget = gtk_dialog_new();
 705
 706     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 707
 708     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 709         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 710     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 711     gtk_widget_show (main);
 712
 713     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 714
 715     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 716
 717     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 718                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 719                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 720                             NULL);
 721
 722     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 723                             GTK_RESPONSE_OK);
 724 }
 725
 726 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 727 {
 728 }
 729
 730 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 731 {
 732     return m_pageDialogData;
 733 }
 734
 735 int wxGnomePageSetupDialog::ShowModal()
 736 {
 737     wxGnomePrintNativeData *native =
 738       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 739
 740     GnomePrintConfig *config = native->GetPrintConfig();
 741
 742
 743     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 744
 745     if (ret == GTK_RESPONSE_OK)
 746     {
 747         // Transfer data back to m_pageDialogData
 748         m_pageDialogData.GetPrintData().ConvertFromNative();
 749
 750         // I don't know how querying the last parameter works
 751         double ml,mr,mt,mb,pw,ph;
 752         gs_libGnomePrint->gnome_print_config_get_length (config,
 753             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 754         gs_libGnomePrint->gnome_print_config_get_length (config,
 755             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 756         gs_libGnomePrint->gnome_print_config_get_length (config,
 757             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 758         gs_libGnomePrint->gnome_print_config_get_length (config,
 759             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 760         gs_libGnomePrint->gnome_print_config_get_length (config,
 761             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 762         gs_libGnomePrint->gnome_print_config_get_length (config,
 763             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 764
 765         // This code converts correctly from what the user chose
 766         // as the unit although I query Pts here
 767         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 768         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 769         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 770         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 771         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 772         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 773         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 774         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 775
 776         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 777         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 778
 779         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 780
 781         ret = wxID_OK;
 782     }
 783     else
 784     {
 785         ret = wxID_CANCEL;
 786     }
 787
 788     gtk_widget_destroy( m_widget );
 789     m_widget = NULL;
 790
 791     return ret;
 792 }
 793
 794 bool wxGnomePageSetupDialog::Validate()
 795 {
 796     return true;
 797 }
 798
 799 bool wxGnomePageSetupDialog::TransferDataToWindow()
 800 {
 801     return true;
 802 }
 803
 804 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 805 {
 806     return true;
 807 }
 808
 809 //----------------------------------------------------------------------------
 810 // wxGnomePrinter
 811 //----------------------------------------------------------------------------
 812
 813 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 814
 815 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 816     wxPrinterBase( data )
 817 {
 818     m_native_preview = false;
 819 }
 820
 821 wxGnomePrinter::~wxGnomePrinter()
 822 {
 823 }
 824
 825 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 826 {
 827     if (!printout)
 828     {
 829         sm_lastError = wxPRINTER_ERROR;
 830         return false;
 831     }
 832
 833     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 834
 835     wxGnomePrintNativeData *native =
 836         (wxGnomePrintNativeData*) printdata.GetNativeData();
 837
 838     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 839
 840     // The GnomePrintJob is temporarily stored in the
 841     // native print data as the native print dialog
 842     // needs to access it.
 843     native->SetPrintJob( job );
 844
 845
 846     printout->SetIsPreview(false);
 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 (m_native_preview)
 864         printout->SetIsPreview(true);
 865
 866     if (!dc)
 867     {
 868         gs_libGnomePrint->gnome_print_job_close( job );
 869         g_object_unref (job);
 870         if (sm_lastError != wxPRINTER_CANCELLED)
 871             sm_lastError = wxPRINTER_ERROR;
 872         return false;
 873     }
 874
 875     wxSize ScreenPixels = wxGetDisplaySize();
 876     wxSize ScreenMM = wxGetDisplaySizeMM();
 877
 878     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 879                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 880     printout->SetPPIPrinter( dc->GetResolution(),
 881                              dc->GetResolution() );
 882
 883     printout->SetDC(dc);
 884
 885     int w, h;
 886     dc->GetSize(&w, &h);
 887     printout->SetPageSizePixels((int)w, (int)h);
 888     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 889     int mw, mh;
 890     dc->GetSizeMM(&mw, &mh);
 891     printout->SetPageSizeMM((int)mw, (int)mh);
 892     printout->OnPreparePrinting();
 893
 894     // Get some parameters from the printout, if defined
 895     int fromPage, toPage;
 896     int minPage, maxPage;
 897     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 898
 899     if (maxPage == 0)
 900     {
 901         gs_libGnomePrint->gnome_print_job_close( job );
 902         g_object_unref (job);
 903         sm_lastError = wxPRINTER_ERROR;
 904         return false;
 905     }
 906
 907     printout->OnBeginPrinting();
 908
 909     int minPageNum = minPage, maxPageNum = maxPage;
 910
 911     if ( !m_printDialogData.GetAllPages() )
 912     {
 913         minPageNum = m_printDialogData.GetFromPage();
 914         maxPageNum = m_printDialogData.GetToPage();
 915     }
 916
 917
 918     int copyCount;
 919     for ( copyCount = 1;
 920           copyCount <= m_printDialogData.GetNoCopies();
 921           copyCount++ )
 922     {
 923         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 924         {
 925             wxLogError(_("Could not start printing."));
 926             sm_lastError = wxPRINTER_ERROR;
 927             break;
 928         }
 929
 930         int pn;
 931         for ( pn = minPageNum;
 932               pn <= maxPageNum && printout->HasPage(pn);
 933               pn++ )
 934         {
 935             dc->StartPage();
 936             printout->OnPrintPage(pn);
 937             dc->EndPage();
 938         }
 939
 940         printout->OnEndDocument();
 941         printout->OnEndPrinting();
 942     }
 943
 944     gs_libGnomePrint->gnome_print_job_close( job );
 945     if (m_native_preview)
 946     {
 947         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 948         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 949                                      (
 950                                         job,
 951                                         (const guchar *)title.data()
 952                                      );
 953         gtk_widget_show(preview);
 954     }
 955     else
 956     {
 957         gs_libGnomePrint->gnome_print_job_print( job );
 958     }
 959
 960     g_object_unref (job);
 961     delete dc;
 962
 963     return (sm_lastError == wxPRINTER_NO_ERROR);
 964 }
 965
 966 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 967 {
 968     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 969     int ret = dialog.ShowModal();
 970     if (ret == wxID_CANCEL)
 971     {
 972         sm_lastError = wxPRINTER_CANCELLED;
 973         return NULL;
 974     }
 975
 976     m_native_preview = ret == wxID_PREVIEW;
 977
 978     m_printDialogData = dialog.GetPrintDialogData();
 979 #if wxUSE_NEW_DC
 980     return new wxPrinterDC( m_printDialogData.GetPrintData() );
 981 #else
 982     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 983 #endif
 984 }
 985
 986 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 987 {
 988     return false;
 989 }
 990
 991 //-----------------------------------------------------------------------------
 992 // wxGnomePrinterDC
 993 //-----------------------------------------------------------------------------
 994
 995 // conversion
 996 static const double RAD2DEG  = 180.0 / M_PI;
 997
 998 // we don't want to use only 72 dpi from GNOME print
 999 static const int DPI = 600;
1000 static const double PS2DEV = 600.0 / 72.0;
1001 static const double DEV2PS = 72.0 / 600.0;
1002
1003 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
1004 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
1005 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
1006 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
1007
1008 #if wxUSE_NEW_DC
1009 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDCImpl, wxDCImpl)
1010 #else
1011 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDC, wxDC)
1012 #endif
1013
1014 #if wxUSE_NEW_DC
1015 wxGnomePrinterDCImpl::wxGnomePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) :
1016    wxDCImpl( owner )
1017 #else
1018 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
1019 #endif
1020 {
1021     m_printData = data;
1022
1023     wxGnomePrintNativeData *native =
1024         (wxGnomePrintNativeData*) m_printData.GetNativeData();
1025
1026     m_job = native->GetPrintJob();
1027     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
1028
1029     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1030     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1031     m_context = NULL;
1032
1033     m_currentRed = 0;
1034     m_currentBlue = 0;
1035     m_currentGreen = 0;
1036
1037     // Query page size. This seems to omit the margins
1038     double pw,ph;
1039     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1040
1041     m_pageHeight = ph * PS2DEV;
1042 }
1043
1044 wxGnomePrinterDCImpl::~wxGnomePrinterDCImpl()
1045 {
1046 }
1047
1048 bool wxGnomePrinterDCImpl::IsOk() const
1049 {
1050     return true;
1051 }
1052
1053 bool
1054 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1055                             wxCoord WXUNUSED(y1),
1056                             const wxColour& WXUNUSED(col),
1057                             int WXUNUSED(style))
1058 {
1059     return false;
1060 }
1061
1062 bool
1063 wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1064                            wxCoord WXUNUSED(y1),
1065                            wxColour * WXUNUSED(col)) const
1066 {
1067     return false;
1068 }
1069
1070 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1071 {
1072     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1073
1074     SetPen( m_pen );
1075
1076     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1077     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1078     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1079
1080     CalcBoundingBox( x1, y1 );
1081     CalcBoundingBox( x2, y2 );
1082 }
1083
1084 void wxGnomePrinterDCImpl::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1085 {
1086 }
1087
1088 void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1089 {
1090     double dx = x1 - xc;
1091     double dy = y1 - yc;
1092     double radius = sqrt((double)(dx*dx+dy*dy));
1093     double alpha1, alpha2;
1094     if (x1 == x2 && y1 == y2)
1095     {
1096         alpha1 = 0.0;
1097         alpha2 = 360.0;
1098     }
1099     else if ( wxIsNullDouble(radius) )
1100     {
1101         alpha1 =
1102         alpha2 = 0.0;
1103     }
1104     else
1105     {
1106         alpha1 = (x1 - xc == 0) ?
1107             (y1 - yc < 0) ? 90.0 : -90.0 :
1108             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1109         alpha2 = (x2 - xc == 0) ?
1110             (y2 - yc < 0) ? 90.0 : -90.0 :
1111             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1112
1113         while (alpha1 <= 0)   alpha1 += 360;
1114         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1115         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1116         while (alpha2 > 360)  alpha2 -= 360;
1117     }
1118
1119     if (m_brush.GetStyle() != wxTRANSPARENT)
1120     {
1121         SetBrush( m_brush );
1122         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1123         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1124
1125         gs_libGnomePrint->gnome_print_fill( m_gpc );
1126     }
1127
1128     if (m_pen.GetStyle() != wxTRANSPARENT)
1129     {
1130         SetPen (m_pen);
1131         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1132         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1133         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1134         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1135
1136         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1137     }
1138
1139     CalcBoundingBox (x1, y1);
1140     CalcBoundingBox (x2, y2);
1141     CalcBoundingBox (xc, yc);
1142 }
1143
1144 void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1145 {
1146     x += w/2;
1147     y += h/2;
1148
1149     double xx = XLOG2DEV(x);
1150     double yy = YLOG2DEV(y);
1151
1152     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1153
1154     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1155     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1156     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1157
1158     xx = 0.0;
1159     yy = 0.0;
1160
1161     if (m_brush.GetStyle () != wxTRANSPARENT)
1162     {
1163         SetBrush( m_brush );
1164
1165         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1166         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1167             XLOG2DEVREL(w)/2, sa, ea, 0 );
1168         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1169
1170         gs_libGnomePrint->gnome_print_fill( m_gpc );
1171     }
1172
1173     if (m_pen.GetStyle () != wxTRANSPARENT)
1174     {
1175         SetPen (m_pen);
1176
1177         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1178             XLOG2DEVREL(w)/2, sa, ea, 0 );
1179
1180         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1181     }
1182
1183     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1184
1185     CalcBoundingBox( x, y );
1186     CalcBoundingBox( x+w, y+h );
1187 }
1188
1189 void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1190 {
1191 }
1192
1193 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1194 {
1195     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1196
1197     if (n <= 0) return;
1198
1199     SetPen (m_pen);
1200
1201     int i;
1202     for ( i =0; i<n ; i++ )
1203         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1204
1205     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1206
1207     for (i = 1; i < n; i++)
1208         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1209
1210     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1211 }
1212
1213 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1214                                    wxCoord xoffset, wxCoord yoffset,
1215                                    int WXUNUSED(fillStyle))
1216 {
1217     if (n==0) return;
1218
1219     if (m_brush.GetStyle () != wxTRANSPARENT)
1220     {
1221         SetBrush( m_brush );
1222
1223         int x = points[0].x + xoffset;
1224         int y = points[0].y + yoffset;
1225         CalcBoundingBox( x, y );
1226         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1227         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1228         int i;
1229         for (i = 1; i < n; i++)
1230         {
1231             x = points[i].x + xoffset;
1232             y = points[i].y + yoffset;
1233             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1234             CalcBoundingBox( x, y );
1235         }
1236         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1237         gs_libGnomePrint->gnome_print_fill( m_gpc );
1238     }
1239
1240     if (m_pen.GetStyle () != wxTRANSPARENT)
1241     {
1242         SetPen (m_pen);
1243
1244         int x = points[0].x + xoffset;
1245         int y = points[0].y + yoffset;
1246         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1247         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1248         int i;
1249         for (i = 1; i < n; i++)
1250         {
1251             x = points[i].x + xoffset;
1252             y = points[i].y + yoffset;
1253             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1254             CalcBoundingBox( x, y );
1255         }
1256         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1257         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1258     }
1259 }
1260
1261 void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1262 {
1263 #if wxUSE_NEW_DC
1264     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1265 #else
1266     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1267 #endif
1268 }
1269
1270 void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1271 {
1272     width--;
1273     height--;
1274
1275     if (m_brush.GetStyle () != wxTRANSPARENT)
1276     {
1277         SetBrush( m_brush );
1278
1279         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1280         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1281         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1282         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1283         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1284         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1285         gs_libGnomePrint->gnome_print_fill( m_gpc );
1286
1287         CalcBoundingBox( x, y );
1288         CalcBoundingBox( x + width, y + height );
1289     }
1290
1291     if (m_pen.GetStyle () != wxTRANSPARENT)
1292     {
1293         SetPen (m_pen);
1294
1295         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1296         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1297         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1298         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1299         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1300         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1301         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1302
1303         CalcBoundingBox( x, y );
1304         CalcBoundingBox( x + width, y + height );
1305     }
1306 }
1307
1308 void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1309 {
1310     width--;
1311     height--;
1312
1313     wxCoord rad = wxRound( radius );
1314
1315     if (m_brush.GetStyle() != wxTRANSPARENT)
1316     {
1317         SetBrush(m_brush);
1318         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1319         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1320         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1321                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1322                                     XLOG2DEV(x),YLOG2DEV(y),
1323                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1324         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1325         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1326                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1327                                     XLOG2DEV(x),YLOG2DEV(y + height),
1328                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1329         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1330         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1331                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1332                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1333                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1334         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1335         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1336                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1337                                     XLOG2DEV(x + width),YLOG2DEV(y),
1338                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1339         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1340         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1341         gs_libGnomePrint->gnome_print_fill(m_gpc);
1342
1343         CalcBoundingBox(x,y);
1344         CalcBoundingBox(x+width,y+height);
1345     }
1346
1347     if (m_pen.GetStyle() != wxTRANSPARENT)
1348     {
1349         SetPen(m_pen);
1350         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1351         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1352         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1353                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1354                                     XLOG2DEV(x),YLOG2DEV(y),
1355                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1356         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1357         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1358                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1359                                     XLOG2DEV(x),YLOG2DEV(y + height),
1360                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1361         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1362         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1363                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1364                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1365                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1366         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1367         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1368                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1369                                     XLOG2DEV(x + width),YLOG2DEV(y),
1370                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1371         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1372         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1373         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1374
1375         CalcBoundingBox(x,y);
1376         CalcBoundingBox(x+width,y+height);
1377     }
1378 }
1379
1380 void wxGnomePrinterDCImpl::makeEllipticalPath(wxCoord x, wxCoord y,
1381                                         wxCoord width, wxCoord height)
1382 {
1383     double r = 4 * (sqrt(2.) - 1) / 3;
1384     double  halfW = 0.5 * width,
1385             halfH = 0.5 * height,
1386             halfWR = r * halfW,
1387             halfHR = r * halfH;
1388     wxCoord halfWI = (wxCoord) halfW,
1389             halfHI = (wxCoord) halfH;
1390
1391     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1392
1393     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1394     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1395                 XLOG2DEV(x + width),
1396                 YLOG2DEV(y + halfHI) );
1397     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1398                 XLOG2DEV(x + width),
1399                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1400                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1401                 YLOG2DEV(y + height),
1402                 XLOG2DEV(x + halfWI),
1403                 YLOG2DEV(y + height) );
1404     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1405                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1406                 YLOG2DEV(y + height),
1407                 XLOG2DEV(x),
1408                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1409                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1410     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1411                 XLOG2DEV(x),
1412                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1413                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1414                 YLOG2DEV(y),
1415                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1416     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1417                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1418                 YLOG2DEV(y),
1419                 XLOG2DEV(x + width),
1420                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1421                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1422
1423     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1424 }
1425
1426 void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1427 {
1428     width--;
1429     height--;
1430
1431     if (m_brush.GetStyle () != wxTRANSPARENT)
1432     {
1433         SetBrush( m_brush );
1434         makeEllipticalPath( x, y, width, height );
1435         gs_libGnomePrint->gnome_print_fill( m_gpc );
1436         CalcBoundingBox( x, y );
1437         CalcBoundingBox( x + width, y + height );
1438     }
1439
1440     if (m_pen.GetStyle () != wxTRANSPARENT)
1441     {
1442         SetPen (m_pen);
1443         makeEllipticalPath( x, y, width, height );
1444         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1445         CalcBoundingBox( x, y );
1446         CalcBoundingBox( x + width, y + height );
1447     }
1448 }
1449
1450 #if wxUSE_SPLINES
1451 void wxGnomePrinterDCImpl::DoDrawSpline(const wxPointList *points)
1452 {
1453     SetPen (m_pen);
1454
1455     double c, d, x1, y1, x2, y2, x3, y3;
1456     wxPoint *p, *q;
1457
1458     wxPointList::compatibility_iterator node = points->GetFirst();
1459     p = node->GetData();
1460     x1 = p->x;
1461     y1 = p->y;
1462
1463     node = node->GetNext();
1464     p = node->GetData();
1465     c = p->x;
1466     d = p->y;
1467     x3 =
1468          (double)(x1 + c) / 2;
1469     y3 =
1470          (double)(y1 + d) / 2;
1471
1472     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1473     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1474     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1475
1476     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1477     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1478
1479     node = node->GetNext();
1480     while (node)
1481     {
1482         q = node->GetData();
1483
1484         x1 = x3;
1485         y1 = y3;
1486         x2 = c;
1487         y2 = d;
1488         c = q->x;
1489         d = q->y;
1490         x3 = (double)(x2 + c) / 2;
1491         y3 = (double)(y2 + d) / 2;
1492
1493         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1494             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1495             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1496             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1497
1498         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1499         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1500
1501         node = node->GetNext();
1502     }
1503
1504     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1505
1506     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1507 }
1508 #endif // wxUSE_SPLINES
1509
1510 bool
1511 wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1512                       wxCoord width, wxCoord height,
1513                       wxDC *source,
1514                       wxCoord xsrc, wxCoord ysrc,
1515                       int rop,
1516                       bool WXUNUSED(useMask),
1517                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1518 {
1519     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1520
1521     // blit into a bitmap
1522     wxBitmap bitmap( width, height );
1523     wxMemoryDC memDC;
1524     memDC.SelectObject(bitmap);
1525     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1526     memDC.SelectObject(wxNullBitmap);
1527
1528     // draw bitmap. scaling and positioning is done there
1529     GetOwner()->DrawBitmap( bitmap, xdest, ydest );
1530
1531     return true;
1532 }
1533
1534 void wxGnomePrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1535 {
1536     DoDrawBitmap( icon, x, y, true );
1537 }
1538
1539 void
1540 wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
1541                              wxCoord x, wxCoord y,
1542                              bool WXUNUSED(useMask))
1543 {
1544     if (!bitmap.Ok()) return;
1545
1546     if (bitmap.HasPixbuf())
1547     {
1548         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1549         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1550         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1551         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1552         int height = gdk_pixbuf_get_height( pixbuf );
1553         int width = gdk_pixbuf_get_width( pixbuf );
1554
1555         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1556         double matrix[6];
1557         matrix[0] = XLOG2DEVREL(width);
1558         matrix[1] = 0;
1559         matrix[2] = 0;
1560         matrix[3] = YLOG2DEVREL(height);
1561         matrix[4] = XLOG2DEV(x);
1562         matrix[5] = YLOG2DEV(y+height);
1563         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1564         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1565         if (has_alpha)
1566             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1567         else
1568             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1569         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1570     }
1571     else
1572     {
1573         wxImage image = bitmap.ConvertToImage();
1574
1575         if (!image.Ok()) return;
1576
1577         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1578         double matrix[6];
1579         matrix[0] = XLOG2DEVREL(image.GetWidth());
1580         matrix[1] = 0;
1581         matrix[2] = 0;
1582         matrix[3] = YLOG2DEVREL(image.GetHeight());
1583         matrix[4] = XLOG2DEV(x);
1584         matrix[5] = YLOG2DEV(y+image.GetHeight());
1585         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1586         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1587         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1588         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1589     }
1590 }
1591
1592 void wxGnomePrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1593 {
1594     DoDrawRotatedText( text, x, y, 0.0 );
1595 }
1596
1597 void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1598 {
1599     double xx = XLOG2DEV(x);
1600     double yy = YLOG2DEV(y);
1601
1602     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1603
1604     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1605 #if wxUSE_UNICODE_UTF8
1606     const char *data = text.utf8_str();
1607 #else
1608     const wxCharBuffer data = text.utf8_str();
1609 #endif
1610
1611     size_t datalen = strlen(data);
1612     pango_layout_set_text( m_layout, data, datalen);
1613
1614     if (underlined)
1615     {
1616         PangoAttrList *attrs = pango_attr_list_new();
1617         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1618         a->start_index = 0;
1619         a->end_index = datalen;
1620         pango_attr_list_insert(attrs, a);
1621         pango_layout_set_attributes(m_layout, attrs);
1622         pango_attr_list_unref(attrs);
1623     }
1624
1625     if (m_textForegroundColour.Ok())
1626     {
1627         unsigned char red = m_textForegroundColour.Red();
1628         unsigned char blue = m_textForegroundColour.Blue();
1629         unsigned char green = m_textForegroundColour.Green();
1630
1631         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1632         {
1633             double redPS = (double)(red) / 255.0;
1634             double bluePS = (double)(blue) / 255.0;
1635             double greenPS = (double)(green) / 255.0;
1636
1637             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1638
1639             m_currentRed = red;
1640             m_currentBlue = blue;
1641             m_currentGreen = green;
1642         }
1643     }
1644
1645     int w,h;
1646     pango_layout_get_pixel_size( m_layout, &w, &h );
1647 #if 0
1648         if ( m_backgroundMode == wxSOLID )
1649         {
1650             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1651             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1652             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1653         }
1654 #endif
1655
1656     // Draw layout.
1657     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1658
1659     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1660
1661     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1662
1663     if (fabs(angle) > 0.00001)
1664         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1665
1666     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1667
1668     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1669
1670     if (underlined)
1671     {
1672         // undo underline attributes setting:
1673         pango_layout_set_attributes(m_layout, NULL);
1674     }
1675
1676     CalcBoundingBox (x + w, y + h);
1677 }
1678
1679 void wxGnomePrinterDCImpl::Clear()
1680 {
1681 }
1682
1683 void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
1684 {
1685     m_font = font;
1686
1687     if (m_font.Ok())
1688     {
1689         if (m_fontdesc)
1690             pango_font_description_free( m_fontdesc );
1691
1692         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1693
1694         pango_layout_set_font_description( m_layout, m_fontdesc );
1695     }
1696 }
1697
1698 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
1699 {
1700     if (!pen.Ok()) return;
1701
1702     m_pen = pen;
1703
1704     double width;
1705
1706     if (m_pen.GetWidth() <= 0)
1707         width = 0.1;
1708     else
1709         width = (double) m_pen.GetWidth();
1710
1711     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1712
1713     static const double dotted[] =  {2.0, 5.0};
1714     static const double short_dashed[] = {4.0, 4.0};
1715     static const double wxCoord_dashed[] = {4.0, 8.0};
1716     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1717
1718     switch (m_pen.GetStyle())
1719     {
1720         case wxDOT:           gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1721         case wxSHORT_DASH:    gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1722         case wxLONG_DASH:     gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1723         case wxDOT_DASH:      gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1724         case wxUSER_DASH:
1725         {
1726             // It may be noted that libgnomeprint between at least
1727             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1728             // and then leak the memory since it doesn't set the
1729             // internal flag "privatedash" to 0.
1730             wxDash *wx_dashes;
1731             int num = m_pen.GetDashes (&wx_dashes);
1732             gdouble *g_dashes = g_new( gdouble, num );
1733             int i;
1734             for (i = 0; i < num; ++i)
1735                 g_dashes[i] = (gdouble) wx_dashes[i];
1736             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1737             g_free( g_dashes );
1738         }
1739         break;
1740         case wxSOLID:
1741         case wxTRANSPARENT:
1742         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1743     }
1744
1745
1746     unsigned char red = m_pen.GetColour().Red();
1747     unsigned char blue = m_pen.GetColour().Blue();
1748     unsigned char green = m_pen.GetColour().Green();
1749
1750     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1751     {
1752         double redPS = (double)(red) / 255.0;
1753         double bluePS = (double)(blue) / 255.0;
1754         double greenPS = (double)(green) / 255.0;
1755
1756         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1757
1758         m_currentRed = red;
1759         m_currentBlue = blue;
1760         m_currentGreen = green;
1761     }
1762 }
1763
1764 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
1765 {
1766     if (!brush.Ok()) return;
1767
1768     m_brush = brush;
1769
1770     // Brush colour
1771     unsigned char red = m_brush.GetColour().Red();
1772     unsigned char blue = m_brush.GetColour().Blue();
1773     unsigned char green = m_brush.GetColour().Green();
1774
1775     if (!m_colour)
1776     {
1777         // Anything not white is black
1778         if (! (red == (unsigned char) 255 &&
1779                blue == (unsigned char) 255 &&
1780                green == (unsigned char) 255) )
1781         {
1782             red = (unsigned char) 0;
1783             green = (unsigned char) 0;
1784             blue = (unsigned char) 0;
1785         }
1786         // setgray here ?
1787     }
1788
1789     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1790     {
1791         double redPS = (double)(red) / 255.0;
1792         double bluePS = (double)(blue) / 255.0;
1793         double greenPS = (double)(green) / 255.0;
1794
1795         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1796
1797         m_currentRed = red;
1798         m_currentBlue = blue;
1799         m_currentGreen = green;
1800     }
1801 }
1802
1803 void wxGnomePrinterDCImpl::SetLogicalFunction(int WXUNUSED(function))
1804 {
1805 }
1806
1807 void wxGnomePrinterDCImpl::SetBackground(const wxBrush& WXUNUSED(brush))
1808 {
1809 }
1810
1811 void wxGnomePrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1812 {
1813 #if wxUSE_NEW_DC
1814     m_clipping = TRUE;    // TODO move somewhere else
1815     m_clipX1 = x;
1816     m_clipY1 = y;
1817     m_clipX2 = x + width;
1818     m_clipY2 = y + height;
1819 #else
1820     wxDC::DoSetClippingRegion( x, y, width, height );
1821 #endif
1822
1823     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1824
1825     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1826     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1827     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1828     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1829     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1830     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1831     gs_libGnomePrint->gnome_print_clip( m_gpc );
1832 }
1833
1834 void wxGnomePrinterDCImpl::DestroyClippingRegion()
1835 {
1836 #if wxUSE_NEW_DC
1837     wxDCImpl::DestroyClippingRegion();
1838 #else
1839     wxDC::DestroyClippingRegion();
1840 #endif
1841
1842     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1843
1844 #if 0
1845     // not needed, we set the values in each
1846     // drawing method anyways
1847     SetPen( m_pen );
1848     SetBrush( m_brush );
1849     SetFont( m_font );
1850 #endif
1851 }
1852
1853 bool wxGnomePrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
1854 {
1855     return true;
1856 }
1857
1858 void wxGnomePrinterDCImpl::EndDoc()
1859 {
1860     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1861 }
1862
1863 void wxGnomePrinterDCImpl::StartPage()
1864 {
1865     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1866 }
1867
1868 void wxGnomePrinterDCImpl::EndPage()
1869 {
1870     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1871 }
1872
1873 wxCoord wxGnomePrinterDCImpl::GetCharHeight() const
1874 {
1875     pango_layout_set_text( m_layout, "H", 1 );
1876
1877     int w,h;
1878     pango_layout_get_pixel_size( m_layout, &w, &h );
1879
1880     return h;
1881 }
1882
1883 wxCoord wxGnomePrinterDCImpl::GetCharWidth() const
1884 {
1885     pango_layout_set_text( m_layout, "H", 1 );
1886
1887     int w,h;
1888     pango_layout_get_pixel_size( m_layout, &w, &h );
1889
1890     return w;
1891 }
1892
1893 void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1894                      wxCoord *descent,
1895                      wxCoord *externalLeading,
1896                      const wxFont *theFont ) const
1897 {
1898     if ( width )
1899         *width = 0;
1900     if ( height )
1901         *height = 0;
1902     if ( descent )
1903         *descent = 0;
1904     if ( externalLeading )
1905         *externalLeading = 0;
1906
1907     if (string.empty())
1908     {
1909         return;
1910     }
1911
1912     // Set layout's text
1913
1914     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1915 #if wxUSE_UNICODE_UTF8
1916     const char *dataUTF8 = string.utf8_str();
1917 #else
1918     const wxCharBuffer dataUTF8 = string.utf8_str();
1919 #endif
1920
1921     PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
1922
1923     gint oldSize = pango_font_description_get_size( desc );
1924     double size = oldSize;
1925     size = size * m_scaleY;
1926     pango_font_description_set_size( desc, (gint)size );
1927
1928     // apply scaled font
1929     pango_layout_set_font_description( m_layout, desc );
1930
1931     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1932
1933     int w, h;
1934     pango_layout_get_pixel_size( m_layout, &w, &h );
1935
1936
1937     if (width)
1938         *width = (wxCoord)(w / m_scaleX);
1939     if (height)
1940         *height = (wxCoord)(h / m_scaleY);
1941
1942     if (descent)
1943     {
1944         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1945         int baseline = pango_layout_iter_get_baseline(iter);
1946         pango_layout_iter_free(iter);
1947         *descent = h - PANGO_PIXELS(baseline);
1948     }
1949
1950     // reset unscaled size
1951     pango_font_description_set_size( desc, oldSize );
1952
1953     // reset unscaled font
1954     pango_layout_set_font_description( m_layout, m_fontdesc );
1955 }
1956
1957 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
1958 {
1959     wxGnomePrintNativeData *native =
1960       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1961
1962     // Query page size. This seems to omit the margins
1963     double pw,ph;
1964     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1965
1966     if (width)
1967         *width = wxRound( pw * PS2DEV );
1968
1969     if (height)
1970         *height = wxRound( ph * PS2DEV );
1971 }
1972
1973 void wxGnomePrinterDCImpl::DoGetSizeMM(int *width, int *height) const
1974 {
1975     wxGnomePrintNativeData *native =
1976       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1977
1978     // This code assumes values in Pts.
1979
1980     double pw,ph;
1981     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1982
1983     // Convert to mm.
1984
1985     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1986     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1987     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1988     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1989
1990     if (width)
1991         *width = (int) (pw + 0.5);
1992     if (height)
1993         *height = (int) (ph + 0.5);
1994 }
1995
1996 wxSize wxGnomePrinterDCImpl::GetPPI() const
1997 {
1998     return wxSize(DPI,DPI);
1999 }
2000
2001 void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
2002 {
2003     m_printData = data;
2004
2005     int height;
2006     if (m_printData.GetOrientation() == wxPORTRAIT)
2007         GetOwner()->GetSize( NULL, &height );
2008     else
2009         GetOwner()->GetSize( &height, NULL );
2010     m_deviceLocalOriginY = height;
2011 }
2012
2013 // overridden for wxPrinterDC Impl
2014
2015 int wxGnomePrinterDCImpl::GetResolution()
2016 {
2017     return DPI;
2018 }
2019
2020 wxRect wxGnomePrinterDCImpl::GetPaperRect()
2021 {
2022     // GNOME print doesn't support printer margins
2023     int w = 0;
2024     int h = 0;
2025     DoGetSize( &w, &h );
2026     return wxRect( 0, 0, w, h );
2027 }
2028
2029 // ----------------------------------------------------------------------------
2030 // wxGnomePrintModule
2031 // ----------------------------------------------------------------------------
2032
2033 bool wxGnomePrintModule::OnInit()
2034 {
2035     gs_libGnomePrint = new wxGnomePrintLibrary;
2036     if (gs_libGnomePrint->IsOk())
2037         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
2038     return true;
2039 }
2040
2041 void wxGnomePrintModule::OnExit()
2042 {
2043     delete gs_libGnomePrint;
2044     gs_libGnomePrint = NULL;
2045 }
2046
2047 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
2048
2049 // ----------------------------------------------------------------------------
2050 // Print preview
2051 // ----------------------------------------------------------------------------
2052
2053 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2054
2055 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2056                                     wxPrintout * WXUNUSED(printoutForPrinting))
2057 {
2058     DetermineScaling();
2059 }
2060
2061 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2062                                                    wxPrintout *printoutForPrinting,
2063                                                    wxPrintDialogData *data)
2064                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2065 {
2066     Init(printout, printoutForPrinting);
2067 }
2068
2069 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2070                                                    wxPrintout *printoutForPrinting,
2071                                                    wxPrintData *data)
2072                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2073 {
2074     Init(printout, printoutForPrinting);
2075 }
2076
2077 wxGnomePrintPreview::~wxGnomePrintPreview()
2078 {
2079 }
2080
2081 bool wxGnomePrintPreview::Print(bool interactive)
2082 {
2083     if (!m_printPrintout)
2084         return false;
2085
2086     wxPrinter printer(& m_printDialogData);
2087     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2088 }
2089
2090 void wxGnomePrintPreview::DetermineScaling()
2091 {
2092     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2093     if (paperType == wxPAPER_NONE)
2094         paperType = wxPAPER_NONE;
2095
2096     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2097     if (!paper)
2098         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2099
2100     if (paper)
2101     {
2102         wxSize ScreenPixels = wxGetDisplaySize();
2103         wxSize ScreenMM = wxGetDisplaySizeMM();
2104
2105         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2106                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2107
2108         int resolution = DPI;
2109         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2110
2111         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2112
2113         // TODO: get better resolution information from wxGnomePrinterDCImpl, if possible.
2114
2115         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
2116         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
2117         wxSize sizeTenthsMM(paper->GetSize());
2118         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2119
2120         // If in landscape mode, we need to swap the width and height.
2121         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2122         {
2123             m_pageWidth = sizeDevUnits.y;
2124             m_pageHeight = sizeDevUnits.x;
2125             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2126         }
2127         else
2128         {
2129             m_pageWidth = sizeDevUnits.x;
2130             m_pageHeight = sizeDevUnits.y;
2131             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2132         }
2133         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2134         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2135
2136         // At 100%, the page should look about page-size on the screen.
2137         m_previewScaleX = (double)0.8 * 72.0 / (double)resolution;
2138         m_previewScaleY = m_previewScaleX;
2139     }
2140 }
2141
2142 #endif
2143     // wxUSE_LIBGNOMEPRINT