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 // Copyright:   Robert Roebling
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 #if wxUSE_LIBGNOMEPRINT
  18
  19 #include "wx/gtk/gnome/gprint.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/log.h"
  23     #include "wx/dcmemory.h"
  24     #include "wx/icon.h"
  25     #include "wx/math.h"
  26     #include "wx/image.h"
  27     #include "wx/module.h"
  28     #include "wx/crt.h"
  29 #endif
  30
  31 #include "wx/fontutil.h"
  32 #include "wx/gtk/private.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35 #include "wx/dcprint.h"
  36 #include "wx/modalhook.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     WX_HOOK_MODAL_DIALOG();
 595
 596     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 597
 598     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 599     {
 600         gtk_widget_destroy(m_widget);
 601         m_widget = NULL;
 602
 603         return wxID_CANCEL;
 604     }
 605
 606     m_printDialogData.GetPrintData().ConvertFromNative();
 607
 608     gint copies = 1;
 609     gboolean collate = false;
 610     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 611     m_printDialogData.SetNoCopies( copies );
 612     m_printDialogData.SetCollate( collate );
 613
 614     // Cast needed to avoid warnings because the gnome_print_dialog_get_range()
 615     // is declared as returning a wrong enum type.
 616     switch ( static_cast<int>( gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget )))
 617     {
 618         case GNOME_PRINT_RANGE_SELECTION:
 619             m_printDialogData.SetSelection( true );
 620             break;
 621         case GNOME_PRINT_RANGE_ALL:
 622             m_printDialogData.SetAllPages( true );
 623             m_printDialogData.SetFromPage( 0 );
 624             m_printDialogData.SetToPage( 9999 );
 625             break;
 626         case GNOME_PRINT_RANGE_RANGE:
 627         default:
 628             gint start,end;
 629             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 630             m_printDialogData.SetFromPage( start );
 631             m_printDialogData.SetToPage( end );
 632             break;
 633     }
 634
 635     gtk_widget_destroy(m_widget);
 636     m_widget = NULL;
 637
 638     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 639         return wxID_PREVIEW;
 640
 641     return wxID_OK;
 642 }
 643
 644 wxDC *wxGnomePrintDialog::GetPrintDC()
 645 {
 646     // Later
 647     return NULL;
 648 }
 649
 650 bool wxGnomePrintDialog::Validate()
 651 {
 652     return true;
 653 }
 654
 655 bool wxGnomePrintDialog::TransferDataToWindow()
 656 {
 657     return true;
 658 }
 659
 660 bool wxGnomePrintDialog::TransferDataFromWindow()
 661 {
 662     return true;
 663 }
 664
 665 //----------------------------------------------------------------------------
 666 // wxGnomePageSetupDialog
 667 //----------------------------------------------------------------------------
 668
 669 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 670
 671 wxGnomePageSetupDialog::wxGnomePageSetupDialog(wxWindow * WXUNUSED(parent),
 672                                                wxPageSetupDialogData *data)
 673 {
 674     if (data)
 675         m_pageDialogData = *data;
 676
 677     m_pageDialogData.GetPrintData().ConvertToNative();
 678
 679     wxGnomePrintNativeData *native =
 680       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 681
 682     // This *was* required as the page setup dialog
 683     // calculates wrong values otherwise.
 684 #if 0
 685     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 686                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 687                             (const guchar*) "Pts" );
 688 #endif
 689
 690     GnomePrintConfig *config = native->GetPrintConfig();
 691
 692     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 693
 694     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 695     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 696     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 697     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 698
 699     gs_libGnomePrint->gnome_print_config_set_length (config,
 700             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 701     gs_libGnomePrint->gnome_print_config_set_length (config,
 702             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 703     gs_libGnomePrint->gnome_print_config_set_length (config,
 704             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 705     gs_libGnomePrint->gnome_print_config_set_length (config,
 706             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 707
 708     m_widget = gtk_dialog_new();
 709
 710     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 711
 712     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 713         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 714     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 715     gtk_widget_show (main);
 716
 717     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 718
 719     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 720
 721     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 722                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 723                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 724                             NULL);
 725
 726     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 727                             GTK_RESPONSE_OK);
 728 }
 729
 730 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 731 {
 732 }
 733
 734 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 735 {
 736     return m_pageDialogData;
 737 }
 738
 739 int wxGnomePageSetupDialog::ShowModal()
 740 {
 741     WX_HOOK_MODAL_DIALOG();
 742
 743     wxGnomePrintNativeData *native =
 744       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 745
 746     GnomePrintConfig *config = native->GetPrintConfig();
 747
 748
 749     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 750
 751     if (ret == GTK_RESPONSE_OK)
 752     {
 753         // Transfer data back to m_pageDialogData
 754         m_pageDialogData.GetPrintData().ConvertFromNative();
 755
 756         // I don't know how querying the last parameter works
 757         double ml,mr,mt,mb,pw,ph;
 758         gs_libGnomePrint->gnome_print_config_get_length (config,
 759             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 760         gs_libGnomePrint->gnome_print_config_get_length (config,
 761             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 762         gs_libGnomePrint->gnome_print_config_get_length (config,
 763             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 764         gs_libGnomePrint->gnome_print_config_get_length (config,
 765             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 766         gs_libGnomePrint->gnome_print_config_get_length (config,
 767             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 768         gs_libGnomePrint->gnome_print_config_get_length (config,
 769             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 770
 771         // This code converts correctly from what the user chose
 772         // as the unit although I query Pts here
 773         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 774         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 775         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 776         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 777         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 778         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 779         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 780         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 781
 782         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 783         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 784
 785         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 786
 787         ret = wxID_OK;
 788     }
 789     else
 790     {
 791         ret = wxID_CANCEL;
 792     }
 793
 794     gtk_widget_destroy( m_widget );
 795     m_widget = NULL;
 796
 797     return ret;
 798 }
 799
 800 bool wxGnomePageSetupDialog::Validate()
 801 {
 802     return true;
 803 }
 804
 805 bool wxGnomePageSetupDialog::TransferDataToWindow()
 806 {
 807     return true;
 808 }
 809
 810 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 811 {
 812     return true;
 813 }
 814
 815 //----------------------------------------------------------------------------
 816 // wxGnomePrinter
 817 //----------------------------------------------------------------------------
 818
 819 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 820
 821 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 822     wxPrinterBase( data )
 823 {
 824     m_native_preview = false;
 825 }
 826
 827 wxGnomePrinter::~wxGnomePrinter()
 828 {
 829 }
 830
 831 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 832 {
 833     if (!printout)
 834     {
 835         sm_lastError = wxPRINTER_ERROR;
 836         return false;
 837     }
 838
 839     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 840
 841     wxGnomePrintNativeData *native =
 842         (wxGnomePrintNativeData*) printdata.GetNativeData();
 843
 844     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 845
 846     // The GnomePrintJob is temporarily stored in the
 847     // native print data as the native print dialog
 848     // needs to access it.
 849     native->SetPrintJob( job );
 850
 851
 852     if (m_printDialogData.GetMinPage() < 1)
 853         m_printDialogData.SetMinPage(1);
 854     if (m_printDialogData.GetMaxPage() < 1)
 855         m_printDialogData.SetMaxPage(9999);
 856
 857     wxDC *dc;
 858     if (prompt)
 859         dc = PrintDialog( parent );
 860     else
 861 #if wxUSE_NEW_DC
 862         dc = new wxPrinterDC( printdata );  // TODO: check that this works
 863 #else
 864         dc = new wxGnomePrinterDC( printdata );  // TODO: check that this works
 865 #endif
 866
 867     if (!dc)
 868     {
 869         gs_libGnomePrint->gnome_print_job_close( job );
 870         g_object_unref (job);
 871         if (sm_lastError != wxPRINTER_CANCELLED)
 872             sm_lastError = wxPRINTER_ERROR;
 873         return false;
 874     }
 875
 876     printout->SetPPIScreen(wxGetDisplayPPI());
 877     printout->SetPPIPrinter( dc->GetResolution(),
 878                              dc->GetResolution() );
 879
 880     printout->SetDC(dc);
 881
 882     int w, h;
 883     dc->GetSize(&w, &h);
 884     printout->SetPageSizePixels((int)w, (int)h);
 885     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 886     int mw, mh;
 887     dc->GetSizeMM(&mw, &mh);
 888     printout->SetPageSizeMM((int)mw, (int)mh);
 889     printout->OnPreparePrinting();
 890
 891     // Get some parameters from the printout, if defined
 892     int fromPage, toPage;
 893     int minPage, maxPage;
 894     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 895
 896     if (maxPage == 0)
 897     {
 898         gs_libGnomePrint->gnome_print_job_close( job );
 899         g_object_unref (job);
 900         sm_lastError = wxPRINTER_ERROR;
 901         return false;
 902     }
 903
 904     printout->OnBeginPrinting();
 905
 906     int minPageNum = minPage, maxPageNum = maxPage;
 907
 908     if ( !m_printDialogData.GetAllPages() )
 909     {
 910         minPageNum = m_printDialogData.GetFromPage();
 911         maxPageNum = m_printDialogData.GetToPage();
 912     }
 913
 914
 915     int copyCount;
 916     for ( copyCount = 1;
 917           copyCount <= m_printDialogData.GetNoCopies();
 918           copyCount++ )
 919     {
 920         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 921         {
 922             wxLogError(_("Could not start printing."));
 923             sm_lastError = wxPRINTER_ERROR;
 924             break;
 925         }
 926
 927         int pn;
 928         for ( pn = minPageNum;
 929               pn <= maxPageNum && printout->HasPage(pn);
 930               pn++ )
 931         {
 932             dc->StartPage();
 933             printout->OnPrintPage(pn);
 934             dc->EndPage();
 935         }
 936
 937         printout->OnEndDocument();
 938         printout->OnEndPrinting();
 939     }
 940
 941     gs_libGnomePrint->gnome_print_job_close( job );
 942     if (m_native_preview)
 943     {
 944         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 945         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 946                                      (
 947                                         job,
 948                                         (const guchar *)title.data()
 949                                      );
 950         gtk_widget_show(preview);
 951     }
 952     else
 953     {
 954         gs_libGnomePrint->gnome_print_job_print( job );
 955     }
 956
 957     g_object_unref (job);
 958     delete dc;
 959
 960     return (sm_lastError == wxPRINTER_NO_ERROR);
 961 }
 962
 963 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 964 {
 965     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 966     int ret = dialog.ShowModal();
 967     if (ret == wxID_CANCEL)
 968     {
 969         sm_lastError = wxPRINTER_CANCELLED;
 970         return NULL;
 971     }
 972
 973     m_native_preview = ret == wxID_PREVIEW;
 974
 975     m_printDialogData = dialog.GetPrintDialogData();
 976 #if wxUSE_NEW_DC
 977     return new wxPrinterDC( m_printDialogData.GetPrintData() );
 978 #else
 979     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 980 #endif
 981 }
 982
 983 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 984 {
 985     return false;
 986 }
 987
 988 //-----------------------------------------------------------------------------
 989 // wxGnomePrinterDC
 990 //-----------------------------------------------------------------------------
 991
 992 // conversion
 993 static const double RAD2DEG  = 180.0 / M_PI;
 994
 995 // we don't want to use only 72 dpi from GNOME print
 996 static const int DPI = 600;
 997 static const double PS2DEV = 600.0 / 72.0;
 998 static const double DEV2PS = 72.0 / 600.0;
 999
1000 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
1001 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
1002 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
1003 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
1004
1005 #if wxUSE_NEW_DC
1006 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDCImpl, wxDCImpl)
1007 #else
1008 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDC, wxDC)
1009 #endif
1010
1011 #if wxUSE_NEW_DC
1012 wxGnomePrinterDCImpl::wxGnomePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) :
1013    wxDCImpl( owner )
1014 #else
1015 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
1016 #endif
1017 {
1018     m_printData = data;
1019
1020     wxGnomePrintNativeData *native =
1021         (wxGnomePrintNativeData*) m_printData.GetNativeData();
1022
1023     m_job = native->GetPrintJob();
1024     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
1025
1026     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1027     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1028     m_context = NULL;
1029
1030     m_currentRed = 0;
1031     m_currentBlue = 0;
1032     m_currentGreen = 0;
1033
1034     // Query page size. This seems to omit the margins
1035     double pw,ph;
1036     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1037
1038     m_pageHeight = ph * PS2DEV;
1039 }
1040
1041 wxGnomePrinterDCImpl::~wxGnomePrinterDCImpl()
1042 {
1043 }
1044
1045 bool wxGnomePrinterDCImpl::IsOk() const
1046 {
1047     return true;
1048 }
1049
1050 bool
1051 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1052                             wxCoord WXUNUSED(y1),
1053                             const wxColour& WXUNUSED(col),
1054                             wxFloodFillStyle WXUNUSED(style))
1055 {
1056     return false;
1057 }
1058
1059 bool
1060 wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1061                            wxCoord WXUNUSED(y1),
1062                            wxColour * WXUNUSED(col)) const
1063 {
1064     return false;
1065 }
1066
1067 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1068 {
1069     if ( m_pen.IsTransparent() )
1070         return;
1071
1072     SetPen( m_pen );
1073
1074     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1075     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1076     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1077
1078     CalcBoundingBox( x1, y1 );
1079     CalcBoundingBox( x2, y2 );
1080 }
1081
1082 void wxGnomePrinterDCImpl::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1083 {
1084 }
1085
1086 void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1087 {
1088     double dx = x1 - xc;
1089     double dy = y1 - yc;
1090     double radius = sqrt((double)(dx*dx+dy*dy));
1091     double alpha1, alpha2;
1092     if (x1 == x2 && y1 == y2)
1093     {
1094         alpha1 = 0.0;
1095         alpha2 = 360.0;
1096     }
1097     else if ( wxIsNullDouble(radius) )
1098     {
1099         alpha1 =
1100         alpha2 = 0.0;
1101     }
1102     else
1103     {
1104         alpha1 = (x1 - xc == 0) ?
1105             (y1 - yc < 0) ? 90.0 : -90.0 :
1106             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1107         alpha2 = (x2 - xc == 0) ?
1108             (y2 - yc < 0) ? 90.0 : -90.0 :
1109             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1110
1111         while (alpha1 <= 0)   alpha1 += 360;
1112         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1113         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1114         while (alpha2 > 360)  alpha2 -= 360;
1115     }
1116
1117     if ( m_brush.IsNonTransparent() )
1118     {
1119         SetBrush( m_brush );
1120         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1121         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1122
1123         gs_libGnomePrint->gnome_print_fill( m_gpc );
1124     }
1125
1126     if ( m_pen.IsNonTransparent() )
1127     {
1128         SetPen (m_pen);
1129         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1130         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1131         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1132         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1133
1134         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1135     }
1136
1137     CalcBoundingBox (x1, y1);
1138     CalcBoundingBox (x2, y2);
1139     CalcBoundingBox (xc, yc);
1140 }
1141
1142 void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1143 {
1144     x += w/2;
1145     y += h/2;
1146
1147     double xx = XLOG2DEV(x);
1148     double yy = YLOG2DEV(y);
1149
1150     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1151
1152     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1153     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1154     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1155
1156     xx = 0.0;
1157     yy = 0.0;
1158
1159     if ( m_brush.IsNonTransparent() )
1160     {
1161         SetBrush( m_brush );
1162
1163         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1164         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1165             XLOG2DEVREL(w)/2, sa, ea, 0 );
1166         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1167
1168         gs_libGnomePrint->gnome_print_fill( m_gpc );
1169     }
1170
1171     if ( m_pen.IsNonTransparent() )
1172     {
1173         SetPen (m_pen);
1174
1175         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1176             XLOG2DEVREL(w)/2, sa, ea, 0 );
1177
1178         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1179     }
1180
1181     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1182
1183     CalcBoundingBox( x, y );
1184     CalcBoundingBox( x+w, y+h );
1185 }
1186
1187 void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1188 {
1189 }
1190
1191 void wxGnomePrinterDCImpl::DoDrawLines(int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1192 {
1193     if (n <= 0) return;
1194
1195     if ( m_pen.IsTransparent() )
1196         return;
1197
1198     SetPen (m_pen);
1199
1200     int i;
1201     for ( i =0; i<n ; i++ )
1202         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1203
1204     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1205
1206     for (i = 1; i < n; i++)
1207         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1208
1209     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1210 }
1211
1212 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, const wxPoint points[],
1213                                    wxCoord xoffset, wxCoord yoffset,
1214                                    wxPolygonFillMode WXUNUSED(fillStyle))
1215 {
1216     if (n==0) return;
1217
1218     if ( m_brush.IsNonTransparent() )
1219     {
1220         SetBrush( m_brush );
1221
1222         int x = points[0].x + xoffset;
1223         int y = points[0].y + yoffset;
1224         CalcBoundingBox( x, y );
1225         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1226         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1227         int i;
1228         for (i = 1; i < n; i++)
1229         {
1230             x = points[i].x + xoffset;
1231             y = points[i].y + yoffset;
1232             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1233             CalcBoundingBox( x, y );
1234         }
1235         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1236         gs_libGnomePrint->gnome_print_fill( m_gpc );
1237     }
1238
1239     if ( m_pen.IsNonTransparent() )
1240     {
1241         SetPen (m_pen);
1242
1243         int x = points[0].x + xoffset;
1244         int y = points[0].y + yoffset;
1245         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1246         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1247         int i;
1248         for (i = 1; i < n; i++)
1249         {
1250             x = points[i].x + xoffset;
1251             y = points[i].y + yoffset;
1252             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1253             CalcBoundingBox( x, y );
1254         }
1255         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1256         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1257     }
1258 }
1259
1260 void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, const int count[], const wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle)
1261 {
1262 #if wxUSE_NEW_DC
1263     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1264 #else
1265     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1266 #endif
1267 }
1268
1269 void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1270 {
1271     width--;
1272     height--;
1273
1274     if ( m_brush.IsNonTransparent() )
1275     {
1276         SetBrush( m_brush );
1277
1278         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1279         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1280         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1281         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1282         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1283         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1284         gs_libGnomePrint->gnome_print_fill( m_gpc );
1285
1286         CalcBoundingBox( x, y );
1287         CalcBoundingBox( x + width, y + height );
1288     }
1289
1290     if ( m_pen.IsNonTransparent() )
1291     {
1292         SetPen (m_pen);
1293
1294         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1295         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1296         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1297         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1298         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1299         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1300         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1301
1302         CalcBoundingBox( x, y );
1303         CalcBoundingBox( x + width, y + height );
1304     }
1305 }
1306
1307 void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1308 {
1309     width--;
1310     height--;
1311
1312     wxCoord rad = wxRound( radius );
1313
1314     if ( m_brush.IsNonTransparent() )
1315     {
1316         SetBrush(m_brush);
1317         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1318         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1319         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1320                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1321                                     XLOG2DEV(x),YLOG2DEV(y),
1322                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1323         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1324         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1325                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1326                                     XLOG2DEV(x),YLOG2DEV(y + height),
1327                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1328         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1329         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1330                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1331                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1332                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1333         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1334         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1335                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1336                                     XLOG2DEV(x + width),YLOG2DEV(y),
1337                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1338         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1339         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1340         gs_libGnomePrint->gnome_print_fill(m_gpc);
1341
1342         CalcBoundingBox(x,y);
1343         CalcBoundingBox(x+width,y+height);
1344     }
1345
1346     if ( m_pen.IsNonTransparent() )
1347     {
1348         SetPen(m_pen);
1349         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1350         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1351         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1352                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1353                                     XLOG2DEV(x),YLOG2DEV(y),
1354                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1355         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1356         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1357                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1358                                     XLOG2DEV(x),YLOG2DEV(y + height),
1359                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1360         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1361         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1362                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1363                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1364                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1365         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1366         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1367                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1368                                     XLOG2DEV(x + width),YLOG2DEV(y),
1369                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1370         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1371         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1372         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1373
1374         CalcBoundingBox(x,y);
1375         CalcBoundingBox(x+width,y+height);
1376     }
1377 }
1378
1379 void wxGnomePrinterDCImpl::makeEllipticalPath(wxCoord x, wxCoord y,
1380                                         wxCoord width, wxCoord height)
1381 {
1382     double r = 4 * (sqrt(2.) - 1) / 3;
1383     double  halfW = 0.5 * width,
1384             halfH = 0.5 * height,
1385             halfWR = r * halfW,
1386             halfHR = r * halfH;
1387     wxCoord halfWI = (wxCoord) halfW,
1388             halfHI = (wxCoord) halfH;
1389
1390     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1391
1392     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1393     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1394                 XLOG2DEV(x + width),
1395                 YLOG2DEV(y + halfHI) );
1396     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1397                 XLOG2DEV(x + width),
1398                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1399                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1400                 YLOG2DEV(y + height),
1401                 XLOG2DEV(x + halfWI),
1402                 YLOG2DEV(y + height) );
1403     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1404                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1405                 YLOG2DEV(y + height),
1406                 XLOG2DEV(x),
1407                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1408                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1409     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1410                 XLOG2DEV(x),
1411                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1412                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1413                 YLOG2DEV(y),
1414                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1415     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1416                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1417                 YLOG2DEV(y),
1418                 XLOG2DEV(x + width),
1419                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1420                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1421
1422     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1423 }
1424
1425 void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1426 {
1427     width--;
1428     height--;
1429
1430     if ( m_brush.IsNonTransparent() )
1431     {
1432         SetBrush( m_brush );
1433         makeEllipticalPath( x, y, width, height );
1434         gs_libGnomePrint->gnome_print_fill( m_gpc );
1435         CalcBoundingBox( x, y );
1436         CalcBoundingBox( x + width, y + height );
1437     }
1438
1439     if ( m_pen.IsNonTransparent() )
1440     {
1441         SetPen (m_pen);
1442         makeEllipticalPath( x, y, width, height );
1443         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1444         CalcBoundingBox( x, y );
1445         CalcBoundingBox( x + width, y + height );
1446     }
1447 }
1448
1449 #if wxUSE_SPLINES
1450 void wxGnomePrinterDCImpl::DoDrawSpline(const wxPointList *points)
1451 {
1452     SetPen (m_pen);
1453
1454     double c, d, x1, y1, x2, y2, x3, y3;
1455     wxPoint *p, *q;
1456
1457     wxPointList::compatibility_iterator node = points->GetFirst();
1458     p = node->GetData();
1459     x1 = p->x;
1460     y1 = p->y;
1461
1462     node = node->GetNext();
1463     p = node->GetData();
1464     c = p->x;
1465     d = p->y;
1466     x3 =
1467          (double)(x1 + c) / 2;
1468     y3 =
1469          (double)(y1 + d) / 2;
1470
1471     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1472     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1473     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1474
1475     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1476     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1477
1478     node = node->GetNext();
1479     while (node)
1480     {
1481         q = node->GetData();
1482
1483         x1 = x3;
1484         y1 = y3;
1485         x2 = c;
1486         y2 = d;
1487         c = q->x;
1488         d = q->y;
1489         x3 = (double)(x2 + c) / 2;
1490         y3 = (double)(y2 + d) / 2;
1491
1492         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1493             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1494             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1495             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1496
1497         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1498         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1499
1500         node = node->GetNext();
1501     }
1502
1503     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1504
1505     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1506 }
1507 #endif // wxUSE_SPLINES
1508
1509 bool
1510 wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1511                       wxCoord width, wxCoord height,
1512                       wxDC *source,
1513                       wxCoord xsrc, wxCoord ysrc,
1514                       wxRasterOperationMode rop,
1515                       bool WXUNUSED(useMask),
1516                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1517 {
1518     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1519
1520     // blit into a bitmap
1521     wxBitmap bitmap( width, height );
1522     wxMemoryDC memDC;
1523     memDC.SelectObject(bitmap);
1524     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1525     memDC.SelectObject(wxNullBitmap);
1526
1527     // draw bitmap. scaling and positioning is done there
1528     GetOwner()->DrawBitmap( bitmap, xdest, ydest );
1529
1530     return true;
1531 }
1532
1533 void wxGnomePrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1534 {
1535     DoDrawBitmap( icon, x, y, true );
1536 }
1537
1538 void
1539 wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
1540                              wxCoord x, wxCoord y,
1541                              bool WXUNUSED(useMask))
1542 {
1543     if (!bitmap.IsOk()) return;
1544
1545     if (bitmap.HasPixbuf())
1546     {
1547         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1548         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1549         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1550         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1551         int height = gdk_pixbuf_get_height( pixbuf );
1552         int width = gdk_pixbuf_get_width( pixbuf );
1553
1554         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1555         double matrix[6];
1556         matrix[0] = XLOG2DEVREL(width);
1557         matrix[1] = 0;
1558         matrix[2] = 0;
1559         matrix[3] = YLOG2DEVREL(height);
1560         matrix[4] = XLOG2DEV(x);
1561         matrix[5] = YLOG2DEV(y+height);
1562         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1563         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1564         if (has_alpha)
1565             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1566         else
1567             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1568         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1569     }
1570     else
1571     {
1572         wxImage image = bitmap.ConvertToImage();
1573
1574         if (!image.IsOk()) return;
1575
1576         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1577         double matrix[6];
1578         matrix[0] = XLOG2DEVREL(image.GetWidth());
1579         matrix[1] = 0;
1580         matrix[2] = 0;
1581         matrix[3] = YLOG2DEVREL(image.GetHeight());
1582         matrix[4] = XLOG2DEV(x);
1583         matrix[5] = YLOG2DEV(y+image.GetHeight());
1584         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1585         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1586         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1587         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1588     }
1589 }
1590
1591 void wxGnomePrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1592 {
1593     DoDrawRotatedText( text, x, y, 0.0 );
1594 }
1595
1596 void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1597 {
1598     double xx = XLOG2DEV(x);
1599     double yy = YLOG2DEV(y);
1600
1601     const wxScopedCharBuffer data(text.utf8_str());
1602
1603     pango_layout_set_text(m_layout, data, data.length());
1604     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1605
1606     if (m_textForegroundColour.IsOk())
1607     {
1608         unsigned char red = m_textForegroundColour.Red();
1609         unsigned char blue = m_textForegroundColour.Blue();
1610         unsigned char green = m_textForegroundColour.Green();
1611
1612         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1613         {
1614             double redPS = (double)(red) / 255.0;
1615             double bluePS = (double)(blue) / 255.0;
1616             double greenPS = (double)(green) / 255.0;
1617
1618             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1619
1620             m_currentRed = red;
1621             m_currentBlue = blue;
1622             m_currentGreen = green;
1623         }
1624     }
1625
1626 #if 0
1627         if ( m_backgroundMode == wxSOLID )
1628         {
1629             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1630             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1631             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1632         }
1633 #endif
1634
1635     // Draw layout.
1636     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1637
1638     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1639
1640     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1641
1642     if (fabs(angle) > 0.00001)
1643         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1644
1645     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1646
1647     int w,h;
1648     pango_layout_get_pixel_size( m_layout, &w, &h );
1649
1650     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1651
1652     if (setAttrs)
1653     {
1654         // undo underline attributes setting:
1655         pango_layout_set_attributes(m_layout, NULL);
1656     }
1657
1658     CalcBoundingBox(x, y);
1659     CalcBoundingBox(x + w, y + h);
1660 }
1661
1662 void wxGnomePrinterDCImpl::Clear()
1663 {
1664 }
1665
1666 void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
1667 {
1668     m_font = font;
1669
1670     if (m_font.IsOk())
1671     {
1672         if (m_fontdesc)
1673             pango_font_description_free( m_fontdesc );
1674
1675         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1676
1677         float size = pango_font_description_get_size( m_fontdesc );
1678         size = size * GetFontPointSizeAdjustment(72.0);
1679         pango_font_description_set_size( m_fontdesc, (gint)size );
1680
1681         pango_layout_set_font_description( m_layout, m_fontdesc );
1682     }
1683 }
1684
1685 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
1686 {
1687     if (!pen.IsOk()) return;
1688
1689     m_pen = pen;
1690
1691     double width;
1692
1693     if (m_pen.GetWidth() <= 0)
1694         width = 0.1;
1695     else
1696         width = (double) m_pen.GetWidth();
1697
1698     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1699
1700     static const double dotted[] =  {2.0, 5.0};
1701     static const double short_dashed[] = {4.0, 4.0};
1702     static const double wxCoord_dashed[] = {4.0, 8.0};
1703     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1704
1705     switch (m_pen.GetStyle())
1706     {
1707         case wxPENSTYLE_DOT:        gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1708         case wxPENSTYLE_SHORT_DASH: gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1709         case wxPENSTYLE_LONG_DASH:  gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1710         case wxPENSTYLE_DOT_DASH:   gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1711         case wxPENSTYLE_USER_DASH:
1712         {
1713             // It may be noted that libgnomeprint between at least
1714             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1715             // and then leak the memory since it doesn't set the
1716             // internal flag "privatedash" to 0.
1717             wxDash *wx_dashes;
1718             int num = m_pen.GetDashes (&wx_dashes);
1719             gdouble *g_dashes = g_new( gdouble, num );
1720             int i;
1721             for (i = 0; i < num; ++i)
1722                 g_dashes[i] = (gdouble) wx_dashes[i];
1723             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1724             g_free( g_dashes );
1725         }
1726         break;
1727         case wxPENSTYLE_SOLID:
1728         case wxPENSTYLE_TRANSPARENT:
1729         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1730     }
1731
1732
1733     unsigned char red = m_pen.GetColour().Red();
1734     unsigned char blue = m_pen.GetColour().Blue();
1735     unsigned char green = m_pen.GetColour().Green();
1736
1737     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1738     {
1739         double redPS = (double)(red) / 255.0;
1740         double bluePS = (double)(blue) / 255.0;
1741         double greenPS = (double)(green) / 255.0;
1742
1743         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1744
1745         m_currentRed = red;
1746         m_currentBlue = blue;
1747         m_currentGreen = green;
1748     }
1749 }
1750
1751 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
1752 {
1753     if (!brush.IsOk()) return;
1754
1755     m_brush = brush;
1756
1757     // Brush colour
1758     unsigned char red = m_brush.GetColour().Red();
1759     unsigned char blue = m_brush.GetColour().Blue();
1760     unsigned char green = m_brush.GetColour().Green();
1761
1762     if (!m_colour)
1763     {
1764         // Anything not white is black
1765         if (! (red == (unsigned char) 255 &&
1766                blue == (unsigned char) 255 &&
1767                green == (unsigned char) 255) )
1768         {
1769             red = (unsigned char) 0;
1770             green = (unsigned char) 0;
1771             blue = (unsigned char) 0;
1772         }
1773         // setgray here ?
1774     }
1775
1776     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1777     {
1778         double redPS = (double)(red) / 255.0;
1779         double bluePS = (double)(blue) / 255.0;
1780         double greenPS = (double)(green) / 255.0;
1781
1782         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1783
1784         m_currentRed = red;
1785         m_currentBlue = blue;
1786         m_currentGreen = green;
1787     }
1788 }
1789
1790 void wxGnomePrinterDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))
1791 {
1792 }
1793
1794 void wxGnomePrinterDCImpl::SetBackground(const wxBrush& WXUNUSED(brush))
1795 {
1796 }
1797
1798 void wxGnomePrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1799 {
1800 #if wxUSE_NEW_DC
1801     m_clipping = TRUE;    // TODO move somewhere else
1802     m_clipX1 = x;
1803     m_clipY1 = y;
1804     m_clipX2 = x + width;
1805     m_clipY2 = y + height;
1806 #else
1807     wxDC::DoSetClippingRegion( x, y, width, height );
1808 #endif
1809
1810     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1811
1812     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1813     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1814     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1815     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1816     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1817     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1818     gs_libGnomePrint->gnome_print_clip( m_gpc );
1819 }
1820
1821 void wxGnomePrinterDCImpl::DestroyClippingRegion()
1822 {
1823 #if wxUSE_NEW_DC
1824     wxDCImpl::DestroyClippingRegion();
1825 #else
1826     wxDC::DestroyClippingRegion();
1827 #endif
1828
1829     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1830
1831 #if 0
1832     // not needed, we set the values in each
1833     // drawing method anyways
1834     SetPen( m_pen );
1835     SetBrush( m_brush );
1836     SetFont( m_font );
1837 #endif
1838 }
1839
1840 bool wxGnomePrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
1841 {
1842     return true;
1843 }
1844
1845 void wxGnomePrinterDCImpl::EndDoc()
1846 {
1847     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1848 }
1849
1850 void wxGnomePrinterDCImpl::StartPage()
1851 {
1852     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1853 }
1854
1855 void wxGnomePrinterDCImpl::EndPage()
1856 {
1857     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1858 }
1859
1860 wxCoord wxGnomePrinterDCImpl::GetCharHeight() const
1861 {
1862     pango_layout_set_text( m_layout, "H", 1 );
1863
1864     int w,h;
1865     pango_layout_get_pixel_size( m_layout, &w, &h );
1866
1867     return h;
1868 }
1869
1870 wxCoord wxGnomePrinterDCImpl::GetCharWidth() const
1871 {
1872     pango_layout_set_text( m_layout, "H", 1 );
1873
1874     int w,h;
1875     pango_layout_get_pixel_size( m_layout, &w, &h );
1876
1877     return w;
1878 }
1879
1880 void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1881                      wxCoord *descent,
1882                      wxCoord *externalLeading,
1883                      const wxFont *theFont ) const
1884 {
1885     if ( width )
1886         *width = 0;
1887     if ( height )
1888         *height = 0;
1889     if ( descent )
1890         *descent = 0;
1891     if ( externalLeading )
1892         *externalLeading = 0;
1893
1894     if (string.empty())
1895     {
1896         return;
1897     }
1898
1899     // Set layout's text
1900
1901     const wxScopedCharBuffer dataUTF8(string.utf8_str());
1902
1903     gint oldSize = 0;
1904     if ( theFont )
1905     {
1906         // scale the font and apply it
1907         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1908         oldSize = pango_font_description_get_size(desc);
1909         float size = oldSize * GetFontPointSizeAdjustment(72.0);
1910         pango_font_description_set_size(desc, (gint)size);
1911
1912         pango_layout_set_font_description(m_layout, desc);
1913     }
1914
1915     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1916
1917     int h;
1918     pango_layout_get_pixel_size( m_layout, width, &h );
1919     if ( height )
1920         *height = h;
1921
1922     if (descent)
1923     {
1924         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1925         int baseline = pango_layout_iter_get_baseline(iter);
1926         pango_layout_iter_free(iter);
1927         *descent = h - PANGO_PIXELS(baseline);
1928     }
1929
1930     if ( theFont )
1931     {
1932         // restore font and reset font's size back
1933         pango_layout_set_font_description(m_layout, m_fontdesc);
1934
1935         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1936         pango_font_description_set_size(desc, oldSize);
1937     }
1938 }
1939
1940 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
1941 {
1942     wxGnomePrintNativeData *native =
1943       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1944
1945     // Query page size. This seems to omit the margins
1946     double pw,ph;
1947     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1948
1949     if (width)
1950         *width = wxRound( pw * PS2DEV );
1951
1952     if (height)
1953         *height = wxRound( ph * PS2DEV );
1954 }
1955
1956 void wxGnomePrinterDCImpl::DoGetSizeMM(int *width, int *height) const
1957 {
1958     wxGnomePrintNativeData *native =
1959       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1960
1961     // This code assumes values in Pts.
1962
1963     double pw,ph;
1964     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1965
1966     // Convert to mm.
1967
1968     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1969     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1970     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1971     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1972
1973     if (width)
1974         *width = (int) (pw + 0.5);
1975     if (height)
1976         *height = (int) (ph + 0.5);
1977 }
1978
1979 wxSize wxGnomePrinterDCImpl::GetPPI() const
1980 {
1981     return wxSize(DPI,DPI);
1982 }
1983
1984 void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
1985 {
1986     m_printData = data;
1987
1988     int height;
1989     if (m_printData.GetOrientation() == wxPORTRAIT)
1990         GetOwner()->GetSize( NULL, &height );
1991     else
1992         GetOwner()->GetSize( &height, NULL );
1993     m_deviceLocalOriginY = height;
1994 }
1995
1996 // overridden for wxPrinterDC Impl
1997
1998 int wxGnomePrinterDCImpl::GetResolution() const
1999 {
2000     return DPI;
2001 }
2002
2003 wxRect wxGnomePrinterDCImpl::GetPaperRect() const
2004 {
2005     // GNOME print doesn't support printer margins
2006     int w = 0;
2007     int h = 0;
2008     DoGetSize( &w, &h );
2009     return wxRect( 0, 0, w, h );
2010 }
2011
2012 // ----------------------------------------------------------------------------
2013 // wxGnomePrintModule
2014 // ----------------------------------------------------------------------------
2015
2016 bool wxGnomePrintModule::OnInit()
2017 {
2018     gs_libGnomePrint = new wxGnomePrintLibrary;
2019     if (gs_libGnomePrint->IsOk())
2020         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
2021     return true;
2022 }
2023
2024 void wxGnomePrintModule::OnExit()
2025 {
2026     wxDELETE(gs_libGnomePrint);
2027 }
2028
2029 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
2030
2031 // ----------------------------------------------------------------------------
2032 // Print preview
2033 // ----------------------------------------------------------------------------
2034
2035 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2036
2037 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2038                                     wxPrintout * WXUNUSED(printoutForPrinting))
2039 {
2040     DetermineScaling();
2041 }
2042
2043 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2044                                                    wxPrintout *printoutForPrinting,
2045                                                    wxPrintDialogData *data)
2046                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2047 {
2048     Init(printout, printoutForPrinting);
2049 }
2050
2051 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2052                                                    wxPrintout *printoutForPrinting,
2053                                                    wxPrintData *data)
2054                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2055 {
2056     Init(printout, printoutForPrinting);
2057 }
2058
2059 wxGnomePrintPreview::~wxGnomePrintPreview()
2060 {
2061 }
2062
2063 bool wxGnomePrintPreview::Print(bool interactive)
2064 {
2065     if (!m_printPrintout)
2066         return false;
2067
2068     wxPrinter printer(& m_printDialogData);
2069     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2070 }
2071
2072 void wxGnomePrintPreview::DetermineScaling()
2073 {
2074     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2075     if (paperType == wxPAPER_NONE)
2076         paperType = wxPAPER_NONE;
2077
2078     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2079     if (!paper)
2080         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2081
2082     if (paper)
2083     {
2084         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2085
2086         int resolution = DPI;
2087         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2088
2089         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2090
2091         // TODO: get better resolution information from wxGnomePrinterDCImpl, if possible.
2092
2093         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
2094         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
2095         wxSize sizeTenthsMM(paper->GetSize());
2096         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2097
2098         // If in landscape mode, we need to swap the width and height.
2099         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2100         {
2101             m_pageWidth = sizeDevUnits.y;
2102             m_pageHeight = sizeDevUnits.x;
2103             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2104         }
2105         else
2106         {
2107             m_pageWidth = sizeDevUnits.x;
2108             m_pageHeight = sizeDevUnits.y;
2109             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2110         }
2111         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2112         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2113
2114         // At 100%, the page should look about page-size on the screen.
2115         m_previewScaleX = (double)0.8 * 72.0 / (double)resolution;
2116         m_previewScaleY = m_previewScaleX;
2117     }
2118 }
2119
2120 #endif
2121     // wxUSE_LIBGNOMEPRINT