src/gtk/gnome/gprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/gnome/gprint.cpp
   3 // Author:      Robert Roebling
   4 // Purpose:     Implement GNOME printing support
   5 // Created:     09/20/04
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_LIBGNOMEPRINT
  19
  20 #include "wx/gtk/gnome/gprint.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24     #include "wx/dcmemory.h"
  25     #include "wx/icon.h"
  26     #include "wx/math.h"
  27     #include "wx/image.h"
  28     #include "wx/module.h"
  29     #include "wx/crt.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/gtk/private.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36 #include "wx/dcprint.h"
  37
  38 #include <libgnomeprint/gnome-print.h>
  39 #include <libgnomeprint/gnome-print-pango.h>
  40 #include <libgnomeprint/gnome-print-config.h>
  41 #include <libgnomeprintui/gnome-print-dialog.h>
  42 #include <libgnomeprintui/gnome-print-job-preview.h>
  43 #include <libgnomeprintui/gnome-print-paper-selector.h>
  44
  45 #include "wx/link.h"
  46 wxFORCE_LINK_THIS_MODULE(gnome_print)
  47
  48 //----------------------------------------------------------------------------
  49 // wxGnomePrintLibrary
  50 //----------------------------------------------------------------------------
  51
  52 class wxGnomePrintLibrary
  53 {
  54 public:
  55     wxGnomePrintLibrary();
  56     ~wxGnomePrintLibrary();
  57
  58     bool IsOk();
  59 private:
  60     bool InitializeMethods();
  61
  62     wxDynamicLibrary m_libGnomePrint;
  63     wxDynamicLibrary m_libGnomePrintUI;
  64
  65     // only true if we successfully loaded both libraries
  66     //
  67     // don't rename this field, it's used by wxDL_XXX macros internally
  68     bool m_ok;
  69
  70 public:
  71     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  72         (GnomePrintContext *pc), (pc), 0 )
  73     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  74         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  75     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  76         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  77     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  78         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  80         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  82         (GnomePrintContext *pc), (pc), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  84         (GnomePrintContext *pc), (pc), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  86         (GnomePrintContext *pc), (pc), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  88         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  90         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  91     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  92         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  93
  94     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  95         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  96     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  97         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  98
  99     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
 100         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
 101     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 102         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 103     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 104         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 105     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 106         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 107
 108     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 109         (GnomePrintContext *pc), (pc), 0 )
 110     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 111         (GnomePrintContext *pc), (pc), 0 )
 112
 113     wxDL_METHOD_DEFINE( gint, gnome_print_clip,
 114         (GnomePrintContext *pc), (pc), 0 )
 115     wxDL_METHOD_DEFINE( gint, gnome_print_eoclip,
 116         (GnomePrintContext *pc), (pc), 0 )
 117
 118     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 119         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 120     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 121         (GnomePrintContext *pc), (pc), 0 )
 122     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 123         (GnomePrintContext *pc), (pc), 0 )
 124
 125     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 126         (GnomePrintContext *gpc), (gpc), NULL )
 127     wxDL_VOIDMETHOD_DEFINE( gnome_print_pango_layout,
 128         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout)  )
 129
 130     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 131         (GnomePrintConfig *config), (config), NULL )
 132     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 133         (GnomePrintJob *job), (job), NULL )
 134     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 135         (GnomePrintJob *job), (job), 0 )
 136     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 137         (GnomePrintJob *job), (job), 0 )
 138     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 139         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 140
 141     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 142         (const guchar *abbreviation), (abbreviation), NULL )
 143     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 144         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 145
 146     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 147         (void), (), NULL )
 148     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 149         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 150     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_double,
 151         (GnomePrintConfig *config, const guchar *key, gdouble value), (config, key, value), false )
 152     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_int,
 153         (GnomePrintConfig *config, const guchar *key, gint value), (config, key, value), false )
 154     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_boolean,
 155         (GnomePrintConfig *config, const guchar *key, gboolean value), (config, key, value), false )
 156     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_length,
 157         (GnomePrintConfig *config, const guchar *key, gdouble value, const GnomePrintUnit *unit), (config, key, value, unit), false )
 158
 159     wxDL_METHOD_DEFINE( guchar*, gnome_print_config_get,
 160         (GnomePrintConfig *config, const guchar *key), (config, key), NULL )
 161     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 162         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 163     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_boolean,
 164         (GnomePrintConfig *config, const guchar *key, gboolean *val), (config, key, val), false )
 165
 166     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 167         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 168     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_construct_range_page,
 169         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 170         const guchar *currentlabel, const guchar *rangelabel),
 171         (gpd, flags, start, end, currentlabel, rangelabel) )
 172     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_get_copies,
 173         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate)  )
 174     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_set_copies,
 175         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate)  )
 176     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 177         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 178     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 179         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 180
 181     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 182         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 183
 184     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 185         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 186
 187     wxDECLARE_NO_COPY_CLASS(wxGnomePrintLibrary);
 188 };
 189
 190 wxGnomePrintLibrary::wxGnomePrintLibrary()
 191 {
 192     wxLogNull log;
 193
 194     m_libGnomePrint.Load("libgnomeprint-2-2.so.0");
 195     m_ok = m_libGnomePrint.IsLoaded();
 196     if ( !m_ok )
 197         return;
 198
 199     m_libGnomePrintUI.Load("libgnomeprintui-2-2.so.0");
 200     m_ok = m_libGnomePrintUI.IsLoaded();
 201     if ( !m_ok )
 202     {
 203         m_libGnomePrint.Unload();
 204         return;
 205     }
 206
 207     m_ok = InitializeMethods();
 208 }
 209
 210 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 211 {
 212 }
 213
 214 bool wxGnomePrintLibrary::IsOk()
 215 {
 216     return m_ok;
 217 }
 218
 219 bool wxGnomePrintLibrary::InitializeMethods()
 220 {
 221     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_newpath );
 222     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_moveto );
 223     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_lineto );
 224     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_curveto );
 225     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_arcto );
 226     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_closepath );
 227     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_stroke );
 228     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_fill );
 229     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setrgbcolor );
 230     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setlinewidth );
 231     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setdash );
 232
 233     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbimage );
 234     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbaimage );
 235
 236     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_concat );
 237     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_scale );
 238     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rotate );
 239     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_translate );
 240
 241     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_gsave );
 242     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_grestore );
 243
 244     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_clip );
 245     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_eoclip );
 246
 247     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_beginpage );
 248     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_showpage );
 249     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_end_doc );
 250
 251     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_create_layout );
 252     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_layout );
 253
 254     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_new );
 255     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_context );
 256     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_close );
 257     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_print );
 258     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_page_size );
 259
 260     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_unit_get_by_abbreviation );
 261     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_convert_distance );
 262
 263     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_default );
 264     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set );
 265     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_boolean );
 266     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_double );
 267     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_int );
 268     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_length );
 269
 270     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get );
 271     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_length );
 272     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_boolean );
 273
 274     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_new );
 275     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_construct_range_page );
 276     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_copies );
 277     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_set_copies );
 278     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range );
 279     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range_page );
 280
 281     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_paper_selector_new_with_flags );
 282
 283     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_job_preview_new );
 284
 285     return true;
 286 }
 287
 288 static wxGnomePrintLibrary* gs_libGnomePrint = NULL;
 289
 290 //----------------------------------------------------------------------------
 291 // wxGnomePrintNativeData
 292 //----------------------------------------------------------------------------
 293
 294 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 295
 296 wxGnomePrintNativeData::wxGnomePrintNativeData()
 297 {
 298     m_config = gs_libGnomePrint->gnome_print_config_default();
 299     m_job = gs_libGnomePrint->gnome_print_job_new( m_config );
 300 }
 301
 302 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 303 {
 304     g_object_unref (m_config);
 305 }
 306
 307 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 308 {
 309     guchar *res = gs_libGnomePrint->gnome_print_config_get( m_config,
 310             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION );
 311     if (g_ascii_strcasecmp((const gchar *)res,"R90") == 0)
 312         data.SetOrientation( wxLANDSCAPE );
 313     else
 314         data.SetOrientation( wxPORTRAIT );
 315     g_free( res );
 316
 317     res = gs_libGnomePrint->gnome_print_config_get( m_config,
 318             (guchar*)(char*)GNOME_PRINT_KEY_OUTPUT_FILENAME );
 319     if (res)
 320     {
 321         data.SetFilename( wxConvFile.cMB2WX( (const char*) res ) );
 322         wxPrintf( "filename %s\n", data.GetFilename() );
 323         g_free( res );
 324     }
 325     else
 326     {
 327         data.SetFilename( wxEmptyString );
 328     }
 329
 330     gboolean ret;
 331     if (gs_libGnomePrint->gnome_print_config_get_boolean( m_config,
 332             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE, &ret))
 333     {
 334         data.SetCollate( ret );
 335     }
 336
 337     // gnome_print_v
 338
 339     return true;
 340 }
 341
 342 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 343 {
 344     if (data.GetOrientation() == wxLANDSCAPE)
 345     {
 346         gs_libGnomePrint->gnome_print_config_set( m_config,
 347             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 348             (guchar*)(char*)"R90" );
 349     }
 350     else
 351     {
 352         gs_libGnomePrint->gnome_print_config_set( m_config,
 353             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 354             (guchar*)(char*)"R0" );
 355     }
 356
 357     if (data.GetCollate())
 358     {
 359         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 360             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 361             TRUE );
 362     }
 363     else
 364     {
 365         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 366             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 367             FALSE );
 368     }
 369
 370     switch (data.GetPaperId())
 371     {
 372         case wxPAPER_A3:        gs_libGnomePrint->gnome_print_config_set( m_config,
 373                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 374                                     (guchar*)(char*)"A3" );
 375                                 break;
 376         case wxPAPER_A5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 377                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 378                                     (guchar*)(char*)"A5" );
 379                                 break;
 380         case wxPAPER_B4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 381                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 382                                     (guchar*)(char*)"B4" );
 383                                 break;
 384         case wxPAPER_B5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 385                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 386                                     (guchar*)(char*)"B5" );
 387                                 break;
 388         case wxPAPER_LETTER:        gs_libGnomePrint->gnome_print_config_set( m_config,
 389                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 390                                     (guchar*)(char*)"USLetter" );
 391                                 break;
 392         case wxPAPER_LEGAL:     gs_libGnomePrint->gnome_print_config_set( m_config,
 393                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 394                                     (guchar*)(char*)"USLegal" );
 395                                 break;
 396         case wxPAPER_EXECUTIVE: gs_libGnomePrint->gnome_print_config_set( m_config,
 397                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 398                                     (guchar*)(char*)"Executive" );
 399                                 break;
 400         case wxPAPER_ENV_C5:    gs_libGnomePrint->gnome_print_config_set( m_config,
 401                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 402                                     (guchar*)(char*)"C5" );
 403                                 break;
 404         case wxPAPER_ENV_C6:    gs_libGnomePrint->gnome_print_config_set( m_config,
 405                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 406                                     (guchar*)(char*)"C6" );
 407                                 break;
 408         case wxPAPER_NONE:      break;
 409
 410         default:
 411         case wxPAPER_A4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 412                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 413                                     (guchar*)(char*)"A4" );
 414                                 break;
 415     }
 416
 417     return true;
 418 }
 419
 420 //----------------------------------------------------------------------------
 421 // wxGnomePrintFactory
 422 //----------------------------------------------------------------------------
 423
 424 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 425 {
 426     return new wxGnomePrinter( data );
 427 }
 428
 429 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 430                                                     wxPrintout *printout,
 431                                                     wxPrintDialogData *data )
 432 {
 433     return new wxGnomePrintPreview( preview, printout, data );
 434 }
 435
 436 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 437                                                     wxPrintout *printout,
 438                                                     wxPrintData *data )
 439 {
 440     return new wxGnomePrintPreview( preview, printout, data );
 441 }
 442
 443 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 444                                                   wxPrintDialogData *data )
 445 {
 446     return new wxGnomePrintDialog( parent, data );
 447 }
 448
 449 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 450                                                   wxPrintData *data )
 451 {
 452     return new wxGnomePrintDialog( parent, data );
 453 }
 454
 455 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 456                                                           wxPageSetupDialogData * data )
 457 {
 458 //  The native page setup dialog is broken. It
 459 //  miscalculates newly entered values for the
 460 //  margins if you have not chose "points" but
 461 //  e.g. centimerters.
 462 //  This has been fixed in GNOME CVS (maybe
 463 //  fixed in libgnomeprintui 2.8.1)
 464
 465     return new wxGnomePageSetupDialog( parent, data );
 466 }
 467
 468 bool wxGnomePrintFactory::HasPrintSetupDialog()
 469 {
 470     return false;
 471 }
 472
 473 wxDialog *
 474 wxGnomePrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 475                                             wxPrintData * WXUNUSED(data))
 476 {
 477     return NULL;
 478 }
 479
 480
 481 #if wxUSE_NEW_DC
 482
 483 wxDCImpl* wxGnomePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 484 {
 485     return new wxGnomePrinterDCImpl( owner, data );
 486 }
 487
 488 #else
 489
 490 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 491 {
 492     return new wxGnomePrinterDC(data);
 493 }
 494
 495 #endif
 496
 497 bool wxGnomePrintFactory::HasOwnPrintToFile()
 498 {
 499     return true;
 500 }
 501
 502 bool wxGnomePrintFactory::HasPrinterLine()
 503 {
 504     return true;
 505 }
 506
 507 wxString wxGnomePrintFactory::CreatePrinterLine()
 508 {
 509     // redundant now
 510     return wxEmptyString;
 511 }
 512
 513 bool wxGnomePrintFactory::HasStatusLine()
 514 {
 515     // redundant now
 516     return true;
 517 }
 518
 519 wxString wxGnomePrintFactory::CreateStatusLine()
 520 {
 521     // redundant now
 522     return wxEmptyString;
 523 }
 524
 525 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 526 {
 527     return new wxGnomePrintNativeData;
 528 }
 529
 530 //----------------------------------------------------------------------------
 531 // wxGnomePrintSetupDialog
 532 //----------------------------------------------------------------------------
 533
 534 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 535
 536 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 537                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 538                                wxPoint(0, 0), wxSize(600, 600),
 539                                wxDEFAULT_DIALOG_STYLE |
 540                                wxTAB_TRAVERSAL)
 541 {
 542     if (data)
 543         m_printDialogData = *data;
 544
 545     Init();
 546 }
 547
 548 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 549                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 550                                wxPoint(0, 0), wxSize(600, 600),
 551                                wxDEFAULT_DIALOG_STYLE |
 552                                wxTAB_TRAVERSAL)
 553 {
 554     if (data)
 555         m_printDialogData = *data;
 556
 557     Init();
 558 }
 559
 560 void wxGnomePrintDialog::Init()
 561 {
 562     wxPrintData data = m_printDialogData.GetPrintData();
 563
 564     data.ConvertToNative();
 565
 566     wxGnomePrintNativeData *native =
 567       (wxGnomePrintNativeData*) data.GetNativeData();
 568
 569     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 570                                        (guchar*)"Print",
 571                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 572
 573     int flag = 0;
 574     if (m_printDialogData.GetEnableSelection())
 575         flag |= GNOME_PRINT_RANGE_SELECTION;
 576     if (m_printDialogData.GetEnablePageNumbers())
 577         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 578
 579     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 580                                              flag,
 581                                              m_printDialogData.GetMinPage(),
 582                                              m_printDialogData.GetMaxPage(),
 583                                              NULL,
 584                                              NULL );
 585 }
 586
 587 wxGnomePrintDialog::~wxGnomePrintDialog()
 588 {
 589     m_widget = NULL;
 590 }
 591
 592 int wxGnomePrintDialog::ShowModal()
 593 {
 594     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 595
 596     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 597     {
 598         gtk_widget_destroy(m_widget);
 599         m_widget = NULL;
 600
 601         return wxID_CANCEL;
 602     }
 603
 604     m_printDialogData.GetPrintData().ConvertFromNative();
 605
 606     gint copies = 1;
 607     gboolean collate = false;
 608     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 609     m_printDialogData.SetNoCopies( copies );
 610     m_printDialogData.SetCollate( collate );
 611
 612     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     printout->SetPPIScreen(wxGetDisplayPPI());
 876     printout->SetPPIPrinter( dc->GetResolution(),
 877                              dc->GetResolution() );
 878
 879     printout->SetDC(dc);
 880
 881     int w, h;
 882     dc->GetSize(&w, &h);
 883     printout->SetPageSizePixels((int)w, (int)h);
 884     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 885     int mw, mh;
 886     dc->GetSizeMM(&mw, &mh);
 887     printout->SetPageSizeMM((int)mw, (int)mh);
 888     printout->OnPreparePrinting();
 889
 890     // Get some parameters from the printout, if defined
 891     int fromPage, toPage;
 892     int minPage, maxPage;
 893     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 894
 895     if (maxPage == 0)
 896     {
 897         gs_libGnomePrint->gnome_print_job_close( job );
 898         g_object_unref (job);
 899         sm_lastError = wxPRINTER_ERROR;
 900         return false;
 901     }
 902
 903     printout->OnBeginPrinting();
 904
 905     int minPageNum = minPage, maxPageNum = maxPage;
 906
 907     if ( !m_printDialogData.GetAllPages() )
 908     {
 909         minPageNum = m_printDialogData.GetFromPage();
 910         maxPageNum = m_printDialogData.GetToPage();
 911     }
 912
 913
 914     int copyCount;
 915     for ( copyCount = 1;
 916           copyCount <= m_printDialogData.GetNoCopies();
 917           copyCount++ )
 918     {
 919         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 920         {
 921             wxLogError(_("Could not start printing."));
 922             sm_lastError = wxPRINTER_ERROR;
 923             break;
 924         }
 925
 926         int pn;
 927         for ( pn = minPageNum;
 928               pn <= maxPageNum && printout->HasPage(pn);
 929               pn++ )
 930         {
 931             dc->StartPage();
 932             printout->OnPrintPage(pn);
 933             dc->EndPage();
 934         }
 935
 936         printout->OnEndDocument();
 937         printout->OnEndPrinting();
 938     }
 939
 940     gs_libGnomePrint->gnome_print_job_close( job );
 941     if (m_native_preview)
 942     {
 943         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 944         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 945                                      (
 946                                         job,
 947                                         (const guchar *)title.data()
 948                                      );
 949         gtk_widget_show(preview);
 950     }
 951     else
 952     {
 953         gs_libGnomePrint->gnome_print_job_print( job );
 954     }
 955
 956     g_object_unref (job);
 957     delete dc;
 958
 959     return (sm_lastError == wxPRINTER_NO_ERROR);
 960 }
 961
 962 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 963 {
 964     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 965     int ret = dialog.ShowModal();
 966     if (ret == wxID_CANCEL)
 967     {
 968         sm_lastError = wxPRINTER_CANCELLED;
 969         return NULL;
 970     }
 971
 972     m_native_preview = ret == wxID_PREVIEW;
 973
 974     m_printDialogData = dialog.GetPrintDialogData();
 975 #if wxUSE_NEW_DC
 976     return new wxPrinterDC( m_printDialogData.GetPrintData() );
 977 #else
 978     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 979 #endif
 980 }
 981
 982 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 983 {
 984     return false;
 985 }
 986
 987 //-----------------------------------------------------------------------------
 988 // wxGnomePrinterDC
 989 //-----------------------------------------------------------------------------
 990
 991 // conversion
 992 static const double RAD2DEG  = 180.0 / M_PI;
 993
 994 // we don't want to use only 72 dpi from GNOME print
 995 static const int DPI = 600;
 996 static const double PS2DEV = 600.0 / 72.0;
 997 static const double DEV2PS = 72.0 / 600.0;
 998
 999 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
1000 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
1001 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
1002 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
1003
1004 #if wxUSE_NEW_DC
1005 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDCImpl, wxDCImpl)
1006 #else
1007 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDC, wxDC)
1008 #endif
1009
1010 #if wxUSE_NEW_DC
1011 wxGnomePrinterDCImpl::wxGnomePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) :
1012    wxDCImpl( owner )
1013 #else
1014 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
1015 #endif
1016 {
1017     m_printData = data;
1018
1019     wxGnomePrintNativeData *native =
1020         (wxGnomePrintNativeData*) m_printData.GetNativeData();
1021
1022     m_job = native->GetPrintJob();
1023     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
1024
1025     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1026     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1027     m_context = NULL;
1028
1029     m_currentRed = 0;
1030     m_currentBlue = 0;
1031     m_currentGreen = 0;
1032
1033     // Query page size. This seems to omit the margins
1034     double pw,ph;
1035     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1036
1037     m_pageHeight = ph * PS2DEV;
1038 }
1039
1040 wxGnomePrinterDCImpl::~wxGnomePrinterDCImpl()
1041 {
1042 }
1043
1044 bool wxGnomePrinterDCImpl::IsOk() const
1045 {
1046     return true;
1047 }
1048
1049 bool
1050 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1051                             wxCoord WXUNUSED(y1),
1052                             const wxColour& WXUNUSED(col),
1053                             wxFloodFillStyle WXUNUSED(style))
1054 {
1055     return false;
1056 }
1057
1058 bool
1059 wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1060                            wxCoord WXUNUSED(y1),
1061                            wxColour * WXUNUSED(col)) const
1062 {
1063     return false;
1064 }
1065
1066 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1067 {
1068     if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1069
1070     SetPen( m_pen );
1071
1072     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1073     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1074     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1075
1076     CalcBoundingBox( x1, y1 );
1077     CalcBoundingBox( x2, y2 );
1078 }
1079
1080 void wxGnomePrinterDCImpl::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1081 {
1082 }
1083
1084 void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1085 {
1086     double dx = x1 - xc;
1087     double dy = y1 - yc;
1088     double radius = sqrt((double)(dx*dx+dy*dy));
1089     double alpha1, alpha2;
1090     if (x1 == x2 && y1 == y2)
1091     {
1092         alpha1 = 0.0;
1093         alpha2 = 360.0;
1094     }
1095     else if ( wxIsNullDouble(radius) )
1096     {
1097         alpha1 =
1098         alpha2 = 0.0;
1099     }
1100     else
1101     {
1102         alpha1 = (x1 - xc == 0) ?
1103             (y1 - yc < 0) ? 90.0 : -90.0 :
1104             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1105         alpha2 = (x2 - xc == 0) ?
1106             (y2 - yc < 0) ? 90.0 : -90.0 :
1107             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1108
1109         while (alpha1 <= 0)   alpha1 += 360;
1110         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1111         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1112         while (alpha2 > 360)  alpha2 -= 360;
1113     }
1114
1115     if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
1116     {
1117         SetBrush( m_brush );
1118         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1119         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1120
1121         gs_libGnomePrint->gnome_print_fill( m_gpc );
1122     }
1123
1124     if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
1125     {
1126         SetPen (m_pen);
1127         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1128         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1129         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1130         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1131
1132         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1133     }
1134
1135     CalcBoundingBox (x1, y1);
1136     CalcBoundingBox (x2, y2);
1137     CalcBoundingBox (xc, yc);
1138 }
1139
1140 void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1141 {
1142     x += w/2;
1143     y += h/2;
1144
1145     double xx = XLOG2DEV(x);
1146     double yy = YLOG2DEV(y);
1147
1148     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1149
1150     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1151     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1152     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1153
1154     xx = 0.0;
1155     yy = 0.0;
1156
1157     if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
1158     {
1159         SetBrush( m_brush );
1160
1161         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1162         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1163             XLOG2DEVREL(w)/2, sa, ea, 0 );
1164         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1165
1166         gs_libGnomePrint->gnome_print_fill( m_gpc );
1167     }
1168
1169     if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
1170     {
1171         SetPen (m_pen);
1172
1173         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1174             XLOG2DEVREL(w)/2, sa, ea, 0 );
1175
1176         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1177     }
1178
1179     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1180
1181     CalcBoundingBox( x, y );
1182     CalcBoundingBox( x+w, y+h );
1183 }
1184
1185 void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1186 {
1187 }
1188
1189 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1190 {
1191     if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1192
1193     if (n <= 0) return;
1194
1195     SetPen (m_pen);
1196
1197     int i;
1198     for ( i =0; i<n ; i++ )
1199         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1200
1201     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1202
1203     for (i = 1; i < n; i++)
1204         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1205
1206     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1207 }
1208
1209 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1210                                    wxCoord xoffset, wxCoord yoffset,
1211                                    wxPolygonFillMode WXUNUSED(fillStyle))
1212 {
1213     if (n==0) return;
1214
1215     if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
1216     {
1217         SetBrush( m_brush );
1218
1219         int x = points[0].x + xoffset;
1220         int y = points[0].y + yoffset;
1221         CalcBoundingBox( x, y );
1222         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1223         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1224         int i;
1225         for (i = 1; i < n; i++)
1226         {
1227             x = points[i].x + xoffset;
1228             y = points[i].y + yoffset;
1229             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1230             CalcBoundingBox( x, y );
1231         }
1232         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1233         gs_libGnomePrint->gnome_print_fill( m_gpc );
1234     }
1235
1236     if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
1237     {
1238         SetPen (m_pen);
1239
1240         int x = points[0].x + xoffset;
1241         int y = points[0].y + yoffset;
1242         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1243         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1244         int i;
1245         for (i = 1; i < n; i++)
1246         {
1247             x = points[i].x + xoffset;
1248             y = points[i].y + yoffset;
1249             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1250             CalcBoundingBox( x, y );
1251         }
1252         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1253         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1254     }
1255 }
1256
1257 void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle)
1258 {
1259 #if wxUSE_NEW_DC
1260     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1261 #else
1262     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1263 #endif
1264 }
1265
1266 void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1267 {
1268     width--;
1269     height--;
1270
1271     if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
1272     {
1273         SetBrush( m_brush );
1274
1275         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1276         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1277         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1278         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1279         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1280         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1281         gs_libGnomePrint->gnome_print_fill( m_gpc );
1282
1283         CalcBoundingBox( x, y );
1284         CalcBoundingBox( x + width, y + height );
1285     }
1286
1287     if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
1288     {
1289         SetPen (m_pen);
1290
1291         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1292         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1293         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1294         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1295         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1296         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1297         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1298
1299         CalcBoundingBox( x, y );
1300         CalcBoundingBox( x + width, y + height );
1301     }
1302 }
1303
1304 void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1305 {
1306     width--;
1307     height--;
1308
1309     wxCoord rad = wxRound( radius );
1310
1311     if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
1312     {
1313         SetBrush(m_brush);
1314         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1315         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1316         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1317                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1318                                     XLOG2DEV(x),YLOG2DEV(y),
1319                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1320         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1321         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1322                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1323                                     XLOG2DEV(x),YLOG2DEV(y + height),
1324                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1325         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1326         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1327                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1328                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1329                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1330         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1331         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1332                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1333                                     XLOG2DEV(x + width),YLOG2DEV(y),
1334                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1335         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1336         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1337         gs_libGnomePrint->gnome_print_fill(m_gpc);
1338
1339         CalcBoundingBox(x,y);
1340         CalcBoundingBox(x+width,y+height);
1341     }
1342
1343     if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
1344     {
1345         SetPen(m_pen);
1346         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1347         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1348         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1349                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1350                                     XLOG2DEV(x),YLOG2DEV(y),
1351                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1352         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1353         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1354                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1355                                     XLOG2DEV(x),YLOG2DEV(y + height),
1356                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1357         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1358         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1359                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1360                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1361                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1362         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1363         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1364                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1365                                     XLOG2DEV(x + width),YLOG2DEV(y),
1366                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1367         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1368         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1369         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1370
1371         CalcBoundingBox(x,y);
1372         CalcBoundingBox(x+width,y+height);
1373     }
1374 }
1375
1376 void wxGnomePrinterDCImpl::makeEllipticalPath(wxCoord x, wxCoord y,
1377                                         wxCoord width, wxCoord height)
1378 {
1379     double r = 4 * (sqrt(2.) - 1) / 3;
1380     double  halfW = 0.5 * width,
1381             halfH = 0.5 * height,
1382             halfWR = r * halfW,
1383             halfHR = r * halfH;
1384     wxCoord halfWI = (wxCoord) halfW,
1385             halfHI = (wxCoord) halfH;
1386
1387     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1388
1389     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1390     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1391                 XLOG2DEV(x + width),
1392                 YLOG2DEV(y + halfHI) );
1393     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1394                 XLOG2DEV(x + width),
1395                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1396                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1397                 YLOG2DEV(y + height),
1398                 XLOG2DEV(x + halfWI),
1399                 YLOG2DEV(y + height) );
1400     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1401                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1402                 YLOG2DEV(y + height),
1403                 XLOG2DEV(x),
1404                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1405                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1406     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1407                 XLOG2DEV(x),
1408                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1409                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1410                 YLOG2DEV(y),
1411                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1412     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1413                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1414                 YLOG2DEV(y),
1415                 XLOG2DEV(x + width),
1416                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1417                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1418
1419     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1420 }
1421
1422 void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1423 {
1424     width--;
1425     height--;
1426
1427     if (m_brush.GetStyle () != wxBRUSHSTYLE_TRANSPARENT)
1428     {
1429         SetBrush( m_brush );
1430         makeEllipticalPath( x, y, width, height );
1431         gs_libGnomePrint->gnome_print_fill( m_gpc );
1432         CalcBoundingBox( x, y );
1433         CalcBoundingBox( x + width, y + height );
1434     }
1435
1436     if (m_pen.GetStyle () != wxPENSTYLE_TRANSPARENT)
1437     {
1438         SetPen (m_pen);
1439         makeEllipticalPath( x, y, width, height );
1440         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1441         CalcBoundingBox( x, y );
1442         CalcBoundingBox( x + width, y + height );
1443     }
1444 }
1445
1446 #if wxUSE_SPLINES
1447 void wxGnomePrinterDCImpl::DoDrawSpline(const wxPointList *points)
1448 {
1449     SetPen (m_pen);
1450
1451     double c, d, x1, y1, x2, y2, x3, y3;
1452     wxPoint *p, *q;
1453
1454     wxPointList::compatibility_iterator node = points->GetFirst();
1455     p = node->GetData();
1456     x1 = p->x;
1457     y1 = p->y;
1458
1459     node = node->GetNext();
1460     p = node->GetData();
1461     c = p->x;
1462     d = p->y;
1463     x3 =
1464          (double)(x1 + c) / 2;
1465     y3 =
1466          (double)(y1 + d) / 2;
1467
1468     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1469     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1470     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1471
1472     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1473     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1474
1475     node = node->GetNext();
1476     while (node)
1477     {
1478         q = node->GetData();
1479
1480         x1 = x3;
1481         y1 = y3;
1482         x2 = c;
1483         y2 = d;
1484         c = q->x;
1485         d = q->y;
1486         x3 = (double)(x2 + c) / 2;
1487         y3 = (double)(y2 + d) / 2;
1488
1489         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1490             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1491             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1492             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1493
1494         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1495         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1496
1497         node = node->GetNext();
1498     }
1499
1500     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1501
1502     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1503 }
1504 #endif // wxUSE_SPLINES
1505
1506 bool
1507 wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1508                       wxCoord width, wxCoord height,
1509                       wxDC *source,
1510                       wxCoord xsrc, wxCoord ysrc,
1511                       wxRasterOperationMode rop,
1512                       bool WXUNUSED(useMask),
1513                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1514 {
1515     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1516
1517     // blit into a bitmap
1518     wxBitmap bitmap( width, height );
1519     wxMemoryDC memDC;
1520     memDC.SelectObject(bitmap);
1521     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1522     memDC.SelectObject(wxNullBitmap);
1523
1524     // draw bitmap. scaling and positioning is done there
1525     GetOwner()->DrawBitmap( bitmap, xdest, ydest );
1526
1527     return true;
1528 }
1529
1530 void wxGnomePrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1531 {
1532     DoDrawBitmap( icon, x, y, true );
1533 }
1534
1535 void
1536 wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
1537                              wxCoord x, wxCoord y,
1538                              bool WXUNUSED(useMask))
1539 {
1540     if (!bitmap.Ok()) return;
1541
1542     if (bitmap.HasPixbuf())
1543     {
1544         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1545         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1546         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1547         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1548         int height = gdk_pixbuf_get_height( pixbuf );
1549         int width = gdk_pixbuf_get_width( pixbuf );
1550
1551         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1552         double matrix[6];
1553         matrix[0] = XLOG2DEVREL(width);
1554         matrix[1] = 0;
1555         matrix[2] = 0;
1556         matrix[3] = YLOG2DEVREL(height);
1557         matrix[4] = XLOG2DEV(x);
1558         matrix[5] = YLOG2DEV(y+height);
1559         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1560         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1561         if (has_alpha)
1562             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1563         else
1564             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1565         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1566     }
1567     else
1568     {
1569         wxImage image = bitmap.ConvertToImage();
1570
1571         if (!image.Ok()) return;
1572
1573         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1574         double matrix[6];
1575         matrix[0] = XLOG2DEVREL(image.GetWidth());
1576         matrix[1] = 0;
1577         matrix[2] = 0;
1578         matrix[3] = YLOG2DEVREL(image.GetHeight());
1579         matrix[4] = XLOG2DEV(x);
1580         matrix[5] = YLOG2DEV(y+image.GetHeight());
1581         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1582         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1583         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1584         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1585     }
1586 }
1587
1588 void wxGnomePrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1589 {
1590     DoDrawRotatedText( text, x, y, 0.0 );
1591 }
1592
1593 void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1594 {
1595     double xx = XLOG2DEV(x);
1596     double yy = YLOG2DEV(y);
1597
1598     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1599
1600     const wxScopedCharBuffer data(text.utf8_str());
1601
1602     size_t datalen = strlen(data);
1603     pango_layout_set_text( m_layout, data, datalen);
1604
1605     if (underlined)
1606     {
1607         PangoAttrList *attrs = pango_attr_list_new();
1608         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1609         a->start_index = 0;
1610         a->end_index = datalen;
1611         pango_attr_list_insert(attrs, a);
1612         pango_layout_set_attributes(m_layout, attrs);
1613         pango_attr_list_unref(attrs);
1614     }
1615
1616     if (m_textForegroundColour.Ok())
1617     {
1618         unsigned char red = m_textForegroundColour.Red();
1619         unsigned char blue = m_textForegroundColour.Blue();
1620         unsigned char green = m_textForegroundColour.Green();
1621
1622         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1623         {
1624             double redPS = (double)(red) / 255.0;
1625             double bluePS = (double)(blue) / 255.0;
1626             double greenPS = (double)(green) / 255.0;
1627
1628             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1629
1630             m_currentRed = red;
1631             m_currentBlue = blue;
1632             m_currentGreen = green;
1633         }
1634     }
1635
1636 #if 0
1637         if ( m_backgroundMode == wxSOLID )
1638         {
1639             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1640             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1641             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1642         }
1643 #endif
1644
1645     // Draw layout.
1646     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1647
1648     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1649
1650     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1651
1652     if (fabs(angle) > 0.00001)
1653         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1654
1655     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1656
1657     int w,h;
1658     pango_layout_get_pixel_size( m_layout, &w, &h );
1659
1660     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1661
1662     if (underlined)
1663     {
1664         // undo underline attributes setting:
1665         pango_layout_set_attributes(m_layout, NULL);
1666     }
1667
1668     CalcBoundingBox(x, y);
1669     CalcBoundingBox(x + w, y + h);
1670 }
1671
1672 void wxGnomePrinterDCImpl::Clear()
1673 {
1674 }
1675
1676 void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
1677 {
1678     m_font = font;
1679
1680     if (m_font.Ok())
1681     {
1682         if (m_fontdesc)
1683             pango_font_description_free( m_fontdesc );
1684
1685         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1686
1687         float size = pango_font_description_get_size( m_fontdesc );
1688         size = size * GetFontPointSizeAdjustment(72.0);
1689         pango_font_description_set_size( m_fontdesc, (gint)size );
1690
1691         pango_layout_set_font_description( m_layout, m_fontdesc );
1692     }
1693 }
1694
1695 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
1696 {
1697     if (!pen.Ok()) return;
1698
1699     m_pen = pen;
1700
1701     double width;
1702
1703     if (m_pen.GetWidth() <= 0)
1704         width = 0.1;
1705     else
1706         width = (double) m_pen.GetWidth();
1707
1708     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1709
1710     static const double dotted[] =  {2.0, 5.0};
1711     static const double short_dashed[] = {4.0, 4.0};
1712     static const double wxCoord_dashed[] = {4.0, 8.0};
1713     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1714
1715     switch (m_pen.GetStyle())
1716     {
1717         case wxPENSTYLE_DOT:        gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1718         case wxPENSTYLE_SHORT_DASH: gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1719         case wxPENSTYLE_LONG_DASH:  gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1720         case wxPENSTYLE_DOT_DASH:   gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1721         case wxPENSTYLE_USER_DASH:
1722         {
1723             // It may be noted that libgnomeprint between at least
1724             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1725             // and then leak the memory since it doesn't set the
1726             // internal flag "privatedash" to 0.
1727             wxDash *wx_dashes;
1728             int num = m_pen.GetDashes (&wx_dashes);
1729             gdouble *g_dashes = g_new( gdouble, num );
1730             int i;
1731             for (i = 0; i < num; ++i)
1732                 g_dashes[i] = (gdouble) wx_dashes[i];
1733             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1734             g_free( g_dashes );
1735         }
1736         break;
1737         case wxPENSTYLE_SOLID:
1738         case wxPENSTYLE_TRANSPARENT:
1739         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1740     }
1741
1742
1743     unsigned char red = m_pen.GetColour().Red();
1744     unsigned char blue = m_pen.GetColour().Blue();
1745     unsigned char green = m_pen.GetColour().Green();
1746
1747     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1748     {
1749         double redPS = (double)(red) / 255.0;
1750         double bluePS = (double)(blue) / 255.0;
1751         double greenPS = (double)(green) / 255.0;
1752
1753         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1754
1755         m_currentRed = red;
1756         m_currentBlue = blue;
1757         m_currentGreen = green;
1758     }
1759 }
1760
1761 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
1762 {
1763     if (!brush.Ok()) return;
1764
1765     m_brush = brush;
1766
1767     // Brush colour
1768     unsigned char red = m_brush.GetColour().Red();
1769     unsigned char blue = m_brush.GetColour().Blue();
1770     unsigned char green = m_brush.GetColour().Green();
1771
1772     if (!m_colour)
1773     {
1774         // Anything not white is black
1775         if (! (red == (unsigned char) 255 &&
1776                blue == (unsigned char) 255 &&
1777                green == (unsigned char) 255) )
1778         {
1779             red = (unsigned char) 0;
1780             green = (unsigned char) 0;
1781             blue = (unsigned char) 0;
1782         }
1783         // setgray here ?
1784     }
1785
1786     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1787     {
1788         double redPS = (double)(red) / 255.0;
1789         double bluePS = (double)(blue) / 255.0;
1790         double greenPS = (double)(green) / 255.0;
1791
1792         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1793
1794         m_currentRed = red;
1795         m_currentBlue = blue;
1796         m_currentGreen = green;
1797     }
1798 }
1799
1800 void wxGnomePrinterDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))
1801 {
1802 }
1803
1804 void wxGnomePrinterDCImpl::SetBackground(const wxBrush& WXUNUSED(brush))
1805 {
1806 }
1807
1808 void wxGnomePrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1809 {
1810 #if wxUSE_NEW_DC
1811     m_clipping = TRUE;    // TODO move somewhere else
1812     m_clipX1 = x;
1813     m_clipY1 = y;
1814     m_clipX2 = x + width;
1815     m_clipY2 = y + height;
1816 #else
1817     wxDC::DoSetClippingRegion( x, y, width, height );
1818 #endif
1819
1820     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1821
1822     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1823     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1824     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1825     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1826     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1827     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1828     gs_libGnomePrint->gnome_print_clip( m_gpc );
1829 }
1830
1831 void wxGnomePrinterDCImpl::DestroyClippingRegion()
1832 {
1833 #if wxUSE_NEW_DC
1834     wxDCImpl::DestroyClippingRegion();
1835 #else
1836     wxDC::DestroyClippingRegion();
1837 #endif
1838
1839     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1840
1841 #if 0
1842     // not needed, we set the values in each
1843     // drawing method anyways
1844     SetPen( m_pen );
1845     SetBrush( m_brush );
1846     SetFont( m_font );
1847 #endif
1848 }
1849
1850 bool wxGnomePrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
1851 {
1852     return true;
1853 }
1854
1855 void wxGnomePrinterDCImpl::EndDoc()
1856 {
1857     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1858 }
1859
1860 void wxGnomePrinterDCImpl::StartPage()
1861 {
1862     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1863 }
1864
1865 void wxGnomePrinterDCImpl::EndPage()
1866 {
1867     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1868 }
1869
1870 wxCoord wxGnomePrinterDCImpl::GetCharHeight() 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 h;
1878 }
1879
1880 wxCoord wxGnomePrinterDCImpl::GetCharWidth() const
1881 {
1882     pango_layout_set_text( m_layout, "H", 1 );
1883
1884     int w,h;
1885     pango_layout_get_pixel_size( m_layout, &w, &h );
1886
1887     return w;
1888 }
1889
1890 void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1891                      wxCoord *descent,
1892                      wxCoord *externalLeading,
1893                      const wxFont *theFont ) const
1894 {
1895     if ( width )
1896         *width = 0;
1897     if ( height )
1898         *height = 0;
1899     if ( descent )
1900         *descent = 0;
1901     if ( externalLeading )
1902         *externalLeading = 0;
1903
1904     if (string.empty())
1905     {
1906         return;
1907     }
1908
1909     // Set layout's text
1910
1911     const wxScopedCharBuffer dataUTF8(string.utf8_str());
1912
1913     gint oldSize = 0;
1914     if ( theFont )
1915     {
1916         // scale the font and apply it
1917         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1918         oldSize = pango_font_description_get_size(desc);
1919         float size = oldSize * GetFontPointSizeAdjustment(72.0);
1920         pango_font_description_set_size(desc, (gint)size);
1921
1922         pango_layout_set_font_description(m_layout, desc);
1923     }
1924
1925     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1926
1927     int h;
1928     pango_layout_get_pixel_size( m_layout, width, &h );
1929     if ( height )
1930         *height = h;
1931
1932     if (descent)
1933     {
1934         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1935         int baseline = pango_layout_iter_get_baseline(iter);
1936         pango_layout_iter_free(iter);
1937         *descent = h - PANGO_PIXELS(baseline);
1938     }
1939
1940     if ( theFont )
1941     {
1942         // restore font and reset font's size back
1943         pango_layout_set_font_description(m_layout, m_fontdesc);
1944
1945         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1946         pango_font_description_set_size(desc, oldSize);
1947     }
1948 }
1949
1950 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
1951 {
1952     wxGnomePrintNativeData *native =
1953       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1954
1955     // Query page size. This seems to omit the margins
1956     double pw,ph;
1957     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1958
1959     if (width)
1960         *width = wxRound( pw * PS2DEV );
1961
1962     if (height)
1963         *height = wxRound( ph * PS2DEV );
1964 }
1965
1966 void wxGnomePrinterDCImpl::DoGetSizeMM(int *width, int *height) const
1967 {
1968     wxGnomePrintNativeData *native =
1969       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1970
1971     // This code assumes values in Pts.
1972
1973     double pw,ph;
1974     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1975
1976     // Convert to mm.
1977
1978     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1979     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1980     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1981     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1982
1983     if (width)
1984         *width = (int) (pw + 0.5);
1985     if (height)
1986         *height = (int) (ph + 0.5);
1987 }
1988
1989 wxSize wxGnomePrinterDCImpl::GetPPI() const
1990 {
1991     return wxSize(DPI,DPI);
1992 }
1993
1994 void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
1995 {
1996     m_printData = data;
1997
1998     int height;
1999     if (m_printData.GetOrientation() == wxPORTRAIT)
2000         GetOwner()->GetSize( NULL, &height );
2001     else
2002         GetOwner()->GetSize( &height, NULL );
2003     m_deviceLocalOriginY = height;
2004 }
2005
2006 // overridden for wxPrinterDC Impl
2007
2008 int wxGnomePrinterDCImpl::GetResolution() const
2009 {
2010     return DPI;
2011 }
2012
2013 wxRect wxGnomePrinterDCImpl::GetPaperRect() const
2014 {
2015     // GNOME print doesn't support printer margins
2016     int w = 0;
2017     int h = 0;
2018     DoGetSize( &w, &h );
2019     return wxRect( 0, 0, w, h );
2020 }
2021
2022 // ----------------------------------------------------------------------------
2023 // wxGnomePrintModule
2024 // ----------------------------------------------------------------------------
2025
2026 bool wxGnomePrintModule::OnInit()
2027 {
2028     gs_libGnomePrint = new wxGnomePrintLibrary;
2029     if (gs_libGnomePrint->IsOk())
2030         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
2031     return true;
2032 }
2033
2034 void wxGnomePrintModule::OnExit()
2035 {
2036     delete gs_libGnomePrint;
2037     gs_libGnomePrint = NULL;
2038 }
2039
2040 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
2041
2042 // ----------------------------------------------------------------------------
2043 // Print preview
2044 // ----------------------------------------------------------------------------
2045
2046 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2047
2048 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2049                                     wxPrintout * WXUNUSED(printoutForPrinting))
2050 {
2051     DetermineScaling();
2052 }
2053
2054 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2055                                                    wxPrintout *printoutForPrinting,
2056                                                    wxPrintDialogData *data)
2057                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2058 {
2059     Init(printout, printoutForPrinting);
2060 }
2061
2062 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2063                                                    wxPrintout *printoutForPrinting,
2064                                                    wxPrintData *data)
2065                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2066 {
2067     Init(printout, printoutForPrinting);
2068 }
2069
2070 wxGnomePrintPreview::~wxGnomePrintPreview()
2071 {
2072 }
2073
2074 bool wxGnomePrintPreview::Print(bool interactive)
2075 {
2076     if (!m_printPrintout)
2077         return false;
2078
2079     wxPrinter printer(& m_printDialogData);
2080     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2081 }
2082
2083 void wxGnomePrintPreview::DetermineScaling()
2084 {
2085     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2086     if (paperType == wxPAPER_NONE)
2087         paperType = wxPAPER_NONE;
2088
2089     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2090     if (!paper)
2091         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2092
2093     if (paper)
2094     {
2095         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2096
2097         int resolution = DPI;
2098         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2099
2100         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2101
2102         // TODO: get better resolution information from wxGnomePrinterDCImpl, if possible.
2103
2104         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
2105         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
2106         wxSize sizeTenthsMM(paper->GetSize());
2107         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2108
2109         // If in landscape mode, we need to swap the width and height.
2110         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2111         {
2112             m_pageWidth = sizeDevUnits.y;
2113             m_pageHeight = sizeDevUnits.x;
2114             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2115         }
2116         else
2117         {
2118             m_pageWidth = sizeDevUnits.x;
2119             m_pageHeight = sizeDevUnits.y;
2120             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2121         }
2122         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2123         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2124
2125         // At 100%, the page should look about page-size on the screen.
2126         m_previewScaleX = (double)0.8 * 72.0 / (double)resolution;
2127         m_previewScaleY = m_previewScaleX;
2128     }
2129 }
2130
2131 #endif
2132     // wxUSE_LIBGNOMEPRINT