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     if (m_printDialogData.GetMinPage() < 1)
 847         m_printDialogData.SetMinPage(1);
 848     if (m_printDialogData.GetMaxPage() < 1)
 849         m_printDialogData.SetMaxPage(9999);
 850
 851     wxDC *dc;
 852     if (prompt)
 853         dc = PrintDialog( parent );
 854     else
 855 #if wxUSE_NEW_DC
 856         dc = new wxPrinterDC( printdata );  // TODO: check that this works
 857 #else
 858         dc = new wxGnomePrinterDC( printdata );  // TODO: check that this works
 859 #endif
 860
 861     if (!dc)
 862     {
 863         gs_libGnomePrint->gnome_print_job_close( job );
 864         g_object_unref (job);
 865         if (sm_lastError != wxPRINTER_CANCELLED)
 866             sm_lastError = wxPRINTER_ERROR;
 867         return false;
 868     }
 869
 870     printout->SetPPIScreen(wxGetDisplayPPI());
 871     printout->SetPPIPrinter( dc->GetResolution(),
 872                              dc->GetResolution() );
 873
 874     printout->SetDC(dc);
 875
 876     int w, h;
 877     dc->GetSize(&w, &h);
 878     printout->SetPageSizePixels((int)w, (int)h);
 879     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 880     int mw, mh;
 881     dc->GetSizeMM(&mw, &mh);
 882     printout->SetPageSizeMM((int)mw, (int)mh);
 883     printout->OnPreparePrinting();
 884
 885     // Get some parameters from the printout, if defined
 886     int fromPage, toPage;
 887     int minPage, maxPage;
 888     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 889
 890     if (maxPage == 0)
 891     {
 892         gs_libGnomePrint->gnome_print_job_close( job );
 893         g_object_unref (job);
 894         sm_lastError = wxPRINTER_ERROR;
 895         return false;
 896     }
 897
 898     printout->OnBeginPrinting();
 899
 900     int minPageNum = minPage, maxPageNum = maxPage;
 901
 902     if ( !m_printDialogData.GetAllPages() )
 903     {
 904         minPageNum = m_printDialogData.GetFromPage();
 905         maxPageNum = m_printDialogData.GetToPage();
 906     }
 907
 908
 909     int copyCount;
 910     for ( copyCount = 1;
 911           copyCount <= m_printDialogData.GetNoCopies();
 912           copyCount++ )
 913     {
 914         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 915         {
 916             wxLogError(_("Could not start printing."));
 917             sm_lastError = wxPRINTER_ERROR;
 918             break;
 919         }
 920
 921         int pn;
 922         for ( pn = minPageNum;
 923               pn <= maxPageNum && printout->HasPage(pn);
 924               pn++ )
 925         {
 926             dc->StartPage();
 927             printout->OnPrintPage(pn);
 928             dc->EndPage();
 929         }
 930
 931         printout->OnEndDocument();
 932         printout->OnEndPrinting();
 933     }
 934
 935     gs_libGnomePrint->gnome_print_job_close( job );
 936     if (m_native_preview)
 937     {
 938         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 939         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 940                                      (
 941                                         job,
 942                                         (const guchar *)title.data()
 943                                      );
 944         gtk_widget_show(preview);
 945     }
 946     else
 947     {
 948         gs_libGnomePrint->gnome_print_job_print( job );
 949     }
 950
 951     g_object_unref (job);
 952     delete dc;
 953
 954     return (sm_lastError == wxPRINTER_NO_ERROR);
 955 }
 956
 957 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 958 {
 959     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 960     int ret = dialog.ShowModal();
 961     if (ret == wxID_CANCEL)
 962     {
 963         sm_lastError = wxPRINTER_CANCELLED;
 964         return NULL;
 965     }
 966
 967     m_native_preview = ret == wxID_PREVIEW;
 968
 969     m_printDialogData = dialog.GetPrintDialogData();
 970 #if wxUSE_NEW_DC
 971     return new wxPrinterDC( m_printDialogData.GetPrintData() );
 972 #else
 973     return new wxGnomePrinterDC( m_printDialogData.GetPrintData() );
 974 #endif
 975 }
 976
 977 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 978 {
 979     return false;
 980 }
 981
 982 //-----------------------------------------------------------------------------
 983 // wxGnomePrinterDC
 984 //-----------------------------------------------------------------------------
 985
 986 // conversion
 987 static const double RAD2DEG  = 180.0 / M_PI;
 988
 989 // we don't want to use only 72 dpi from GNOME print
 990 static const int DPI = 600;
 991 static const double PS2DEV = 600.0 / 72.0;
 992 static const double DEV2PS = 72.0 / 600.0;
 993
 994 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 995 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 996 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 997 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
 998
 999 #if wxUSE_NEW_DC
1000 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDCImpl, wxDCImpl)
1001 #else
1002 IMPLEMENT_ABSTRACT_CLASS(wxGnomePrinterDC, wxDC)
1003 #endif
1004
1005 #if wxUSE_NEW_DC
1006 wxGnomePrinterDCImpl::wxGnomePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) :
1007    wxDCImpl( owner )
1008 #else
1009 wxGnomePrinterDC::wxGnomePrinterDC( const wxPrintData& data )
1010 #endif
1011 {
1012     m_printData = data;
1013
1014     wxGnomePrintNativeData *native =
1015         (wxGnomePrintNativeData*) m_printData.GetNativeData();
1016
1017     m_job = native->GetPrintJob();
1018     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
1019
1020     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
1021     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1022     m_context = NULL;
1023
1024     m_currentRed = 0;
1025     m_currentBlue = 0;
1026     m_currentGreen = 0;
1027
1028     // Query page size. This seems to omit the margins
1029     double pw,ph;
1030     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1031
1032     m_pageHeight = ph * PS2DEV;
1033 }
1034
1035 wxGnomePrinterDCImpl::~wxGnomePrinterDCImpl()
1036 {
1037 }
1038
1039 bool wxGnomePrinterDCImpl::IsOk() const
1040 {
1041     return true;
1042 }
1043
1044 bool
1045 wxGnomePrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1046                             wxCoord WXUNUSED(y1),
1047                             const wxColour& WXUNUSED(col),
1048                             wxFloodFillStyle WXUNUSED(style))
1049 {
1050     return false;
1051 }
1052
1053 bool
1054 wxGnomePrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1055                            wxCoord WXUNUSED(y1),
1056                            wxColour * WXUNUSED(col)) const
1057 {
1058     return false;
1059 }
1060
1061 void wxGnomePrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1062 {
1063     if ( m_pen.IsTransparent() )
1064         return;
1065
1066     SetPen( m_pen );
1067
1068     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1069     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1070     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1071
1072     CalcBoundingBox( x1, y1 );
1073     CalcBoundingBox( x2, y2 );
1074 }
1075
1076 void wxGnomePrinterDCImpl::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1077 {
1078 }
1079
1080 void wxGnomePrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1081 {
1082     double dx = x1 - xc;
1083     double dy = y1 - yc;
1084     double radius = sqrt((double)(dx*dx+dy*dy));
1085     double alpha1, alpha2;
1086     if (x1 == x2 && y1 == y2)
1087     {
1088         alpha1 = 0.0;
1089         alpha2 = 360.0;
1090     }
1091     else if ( wxIsNullDouble(radius) )
1092     {
1093         alpha1 =
1094         alpha2 = 0.0;
1095     }
1096     else
1097     {
1098         alpha1 = (x1 - xc == 0) ?
1099             (y1 - yc < 0) ? 90.0 : -90.0 :
1100             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1101         alpha2 = (x2 - xc == 0) ?
1102             (y2 - yc < 0) ? 90.0 : -90.0 :
1103             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1104
1105         while (alpha1 <= 0)   alpha1 += 360;
1106         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1107         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1108         while (alpha2 > 360)  alpha2 -= 360;
1109     }
1110
1111     if ( m_brush.IsNonTransparent() )
1112     {
1113         SetBrush( m_brush );
1114         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1115         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1116
1117         gs_libGnomePrint->gnome_print_fill( m_gpc );
1118     }
1119
1120     if ( m_pen.IsNonTransparent() )
1121     {
1122         SetPen (m_pen);
1123         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1124         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1125         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1126         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1127
1128         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1129     }
1130
1131     CalcBoundingBox (x1, y1);
1132     CalcBoundingBox (x2, y2);
1133     CalcBoundingBox (xc, yc);
1134 }
1135
1136 void wxGnomePrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1137 {
1138     x += w/2;
1139     y += h/2;
1140
1141     double xx = XLOG2DEV(x);
1142     double yy = YLOG2DEV(y);
1143
1144     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1145
1146     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1147     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1148     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1149
1150     xx = 0.0;
1151     yy = 0.0;
1152
1153     if ( m_brush.IsNonTransparent() )
1154     {
1155         SetBrush( m_brush );
1156
1157         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1158         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1159             XLOG2DEVREL(w)/2, sa, ea, 0 );
1160         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1161
1162         gs_libGnomePrint->gnome_print_fill( m_gpc );
1163     }
1164
1165     if ( m_pen.IsNonTransparent() )
1166     {
1167         SetPen (m_pen);
1168
1169         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1170             XLOG2DEVREL(w)/2, sa, ea, 0 );
1171
1172         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1173     }
1174
1175     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1176
1177     CalcBoundingBox( x, y );
1178     CalcBoundingBox( x+w, y+h );
1179 }
1180
1181 void wxGnomePrinterDCImpl::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1182 {
1183 }
1184
1185 void wxGnomePrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1186 {
1187     if (n <= 0) return;
1188
1189     if ( m_pen.IsTransparent() )
1190         return;
1191
1192     SetPen (m_pen);
1193
1194     int i;
1195     for ( i =0; i<n ; i++ )
1196         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1197
1198     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1199
1200     for (i = 1; i < n; i++)
1201         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1202
1203     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1204 }
1205
1206 void wxGnomePrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1207                                    wxCoord xoffset, wxCoord yoffset,
1208                                    wxPolygonFillMode WXUNUSED(fillStyle))
1209 {
1210     if (n==0) return;
1211
1212     if ( m_brush.IsNonTransparent() )
1213     {
1214         SetBrush( m_brush );
1215
1216         int x = points[0].x + xoffset;
1217         int y = points[0].y + yoffset;
1218         CalcBoundingBox( x, y );
1219         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1220         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1221         int i;
1222         for (i = 1; i < n; i++)
1223         {
1224             x = points[i].x + xoffset;
1225             y = points[i].y + yoffset;
1226             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1227             CalcBoundingBox( x, y );
1228         }
1229         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1230         gs_libGnomePrint->gnome_print_fill( m_gpc );
1231     }
1232
1233     if ( m_pen.IsNonTransparent() )
1234     {
1235         SetPen (m_pen);
1236
1237         int x = points[0].x + xoffset;
1238         int y = points[0].y + yoffset;
1239         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1240         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1241         int i;
1242         for (i = 1; i < n; i++)
1243         {
1244             x = points[i].x + xoffset;
1245             y = points[i].y + yoffset;
1246             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1247             CalcBoundingBox( x, y );
1248         }
1249         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1250         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1251     }
1252 }
1253
1254 void wxGnomePrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle)
1255 {
1256 #if wxUSE_NEW_DC
1257     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1258 #else
1259     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1260 #endif
1261 }
1262
1263 void wxGnomePrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1264 {
1265     width--;
1266     height--;
1267
1268     if ( m_brush.IsNonTransparent() )
1269     {
1270         SetBrush( m_brush );
1271
1272         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1273         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1274         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1275         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1276         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1277         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1278         gs_libGnomePrint->gnome_print_fill( m_gpc );
1279
1280         CalcBoundingBox( x, y );
1281         CalcBoundingBox( x + width, y + height );
1282     }
1283
1284     if ( m_pen.IsNonTransparent() )
1285     {
1286         SetPen (m_pen);
1287
1288         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1289         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1290         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1291         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1292         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1293         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1294         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1295
1296         CalcBoundingBox( x, y );
1297         CalcBoundingBox( x + width, y + height );
1298     }
1299 }
1300
1301 void wxGnomePrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1302 {
1303     width--;
1304     height--;
1305
1306     wxCoord rad = wxRound( radius );
1307
1308     if ( m_brush.IsNonTransparent() )
1309     {
1310         SetBrush(m_brush);
1311         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1312         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1313         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1314                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1315                                     XLOG2DEV(x),YLOG2DEV(y),
1316                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1317         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1318         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1319                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1320                                     XLOG2DEV(x),YLOG2DEV(y + height),
1321                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1322         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1323         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1324                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1325                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1326                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1327         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1328         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1329                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1330                                     XLOG2DEV(x + width),YLOG2DEV(y),
1331                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1332         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1333         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1334         gs_libGnomePrint->gnome_print_fill(m_gpc);
1335
1336         CalcBoundingBox(x,y);
1337         CalcBoundingBox(x+width,y+height);
1338     }
1339
1340     if ( m_pen.IsNonTransparent() )
1341     {
1342         SetPen(m_pen);
1343         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1344         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1345         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1346                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1347                                     XLOG2DEV(x),YLOG2DEV(y),
1348                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1349         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1350         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1351                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1352                                     XLOG2DEV(x),YLOG2DEV(y + height),
1353                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1354         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1355         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1356                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1357                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1358                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1359         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1360         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1361                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1362                                     XLOG2DEV(x + width),YLOG2DEV(y),
1363                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1364         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1365         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1366         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1367
1368         CalcBoundingBox(x,y);
1369         CalcBoundingBox(x+width,y+height);
1370     }
1371 }
1372
1373 void wxGnomePrinterDCImpl::makeEllipticalPath(wxCoord x, wxCoord y,
1374                                         wxCoord width, wxCoord height)
1375 {
1376     double r = 4 * (sqrt(2.) - 1) / 3;
1377     double  halfW = 0.5 * width,
1378             halfH = 0.5 * height,
1379             halfWR = r * halfW,
1380             halfHR = r * halfH;
1381     wxCoord halfWI = (wxCoord) halfW,
1382             halfHI = (wxCoord) halfH;
1383
1384     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1385
1386     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1387     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1388                 XLOG2DEV(x + width),
1389                 YLOG2DEV(y + halfHI) );
1390     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1391                 XLOG2DEV(x + width),
1392                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1393                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1394                 YLOG2DEV(y + height),
1395                 XLOG2DEV(x + halfWI),
1396                 YLOG2DEV(y + height) );
1397     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1398                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1399                 YLOG2DEV(y + height),
1400                 XLOG2DEV(x),
1401                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1402                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1403     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1404                 XLOG2DEV(x),
1405                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1406                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1407                 YLOG2DEV(y),
1408                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1409     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1410                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1411                 YLOG2DEV(y),
1412                 XLOG2DEV(x + width),
1413                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1414                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1415
1416     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1417 }
1418
1419 void wxGnomePrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1420 {
1421     width--;
1422     height--;
1423
1424     if ( m_brush.IsNonTransparent() )
1425     {
1426         SetBrush( m_brush );
1427         makeEllipticalPath( x, y, width, height );
1428         gs_libGnomePrint->gnome_print_fill( m_gpc );
1429         CalcBoundingBox( x, y );
1430         CalcBoundingBox( x + width, y + height );
1431     }
1432
1433     if ( m_pen.IsNonTransparent() )
1434     {
1435         SetPen (m_pen);
1436         makeEllipticalPath( x, y, width, height );
1437         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1438         CalcBoundingBox( x, y );
1439         CalcBoundingBox( x + width, y + height );
1440     }
1441 }
1442
1443 #if wxUSE_SPLINES
1444 void wxGnomePrinterDCImpl::DoDrawSpline(const wxPointList *points)
1445 {
1446     SetPen (m_pen);
1447
1448     double c, d, x1, y1, x2, y2, x3, y3;
1449     wxPoint *p, *q;
1450
1451     wxPointList::compatibility_iterator node = points->GetFirst();
1452     p = node->GetData();
1453     x1 = p->x;
1454     y1 = p->y;
1455
1456     node = node->GetNext();
1457     p = node->GetData();
1458     c = p->x;
1459     d = p->y;
1460     x3 =
1461          (double)(x1 + c) / 2;
1462     y3 =
1463          (double)(y1 + d) / 2;
1464
1465     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1466     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1467     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1468
1469     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1470     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1471
1472     node = node->GetNext();
1473     while (node)
1474     {
1475         q = node->GetData();
1476
1477         x1 = x3;
1478         y1 = y3;
1479         x2 = c;
1480         y2 = d;
1481         c = q->x;
1482         d = q->y;
1483         x3 = (double)(x2 + c) / 2;
1484         y3 = (double)(y2 + d) / 2;
1485
1486         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1487             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1488             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1489             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1490
1491         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1492         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1493
1494         node = node->GetNext();
1495     }
1496
1497     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1498
1499     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1500 }
1501 #endif // wxUSE_SPLINES
1502
1503 bool
1504 wxGnomePrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1505                       wxCoord width, wxCoord height,
1506                       wxDC *source,
1507                       wxCoord xsrc, wxCoord ysrc,
1508                       wxRasterOperationMode rop,
1509                       bool WXUNUSED(useMask),
1510                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1511 {
1512     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1513
1514     // blit into a bitmap
1515     wxBitmap bitmap( width, height );
1516     wxMemoryDC memDC;
1517     memDC.SelectObject(bitmap);
1518     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1519     memDC.SelectObject(wxNullBitmap);
1520
1521     // draw bitmap. scaling and positioning is done there
1522     GetOwner()->DrawBitmap( bitmap, xdest, ydest );
1523
1524     return true;
1525 }
1526
1527 void wxGnomePrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1528 {
1529     DoDrawBitmap( icon, x, y, true );
1530 }
1531
1532 void
1533 wxGnomePrinterDCImpl::DoDrawBitmap(const wxBitmap& bitmap,
1534                              wxCoord x, wxCoord y,
1535                              bool WXUNUSED(useMask))
1536 {
1537     if (!bitmap.IsOk()) return;
1538
1539     if (bitmap.HasPixbuf())
1540     {
1541         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1542         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1543         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1544         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1545         int height = gdk_pixbuf_get_height( pixbuf );
1546         int width = gdk_pixbuf_get_width( pixbuf );
1547
1548         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1549         double matrix[6];
1550         matrix[0] = XLOG2DEVREL(width);
1551         matrix[1] = 0;
1552         matrix[2] = 0;
1553         matrix[3] = YLOG2DEVREL(height);
1554         matrix[4] = XLOG2DEV(x);
1555         matrix[5] = YLOG2DEV(y+height);
1556         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1557         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1558         if (has_alpha)
1559             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1560         else
1561             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1562         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1563     }
1564     else
1565     {
1566         wxImage image = bitmap.ConvertToImage();
1567
1568         if (!image.IsOk()) return;
1569
1570         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1571         double matrix[6];
1572         matrix[0] = XLOG2DEVREL(image.GetWidth());
1573         matrix[1] = 0;
1574         matrix[2] = 0;
1575         matrix[3] = YLOG2DEVREL(image.GetHeight());
1576         matrix[4] = XLOG2DEV(x);
1577         matrix[5] = YLOG2DEV(y+image.GetHeight());
1578         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1579         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1580         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1581         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1582     }
1583 }
1584
1585 void wxGnomePrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1586 {
1587     DoDrawRotatedText( text, x, y, 0.0 );
1588 }
1589
1590 void wxGnomePrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1591 {
1592     double xx = XLOG2DEV(x);
1593     double yy = YLOG2DEV(y);
1594
1595     bool underlined = m_font.IsOk() && m_font.GetUnderlined();
1596
1597     const wxScopedCharBuffer data(text.utf8_str());
1598
1599     size_t datalen = strlen(data);
1600     pango_layout_set_text( m_layout, data, datalen);
1601
1602     if (underlined)
1603     {
1604         PangoAttrList *attrs = pango_attr_list_new();
1605         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1606         a->start_index = 0;
1607         a->end_index = datalen;
1608         pango_attr_list_insert(attrs, a);
1609         pango_layout_set_attributes(m_layout, attrs);
1610         pango_attr_list_unref(attrs);
1611     }
1612
1613     if (m_textForegroundColour.IsOk())
1614     {
1615         unsigned char red = m_textForegroundColour.Red();
1616         unsigned char blue = m_textForegroundColour.Blue();
1617         unsigned char green = m_textForegroundColour.Green();
1618
1619         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1620         {
1621             double redPS = (double)(red) / 255.0;
1622             double bluePS = (double)(blue) / 255.0;
1623             double greenPS = (double)(green) / 255.0;
1624
1625             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1626
1627             m_currentRed = red;
1628             m_currentBlue = blue;
1629             m_currentGreen = green;
1630         }
1631     }
1632
1633 #if 0
1634         if ( m_backgroundMode == wxSOLID )
1635         {
1636             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1637             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1638             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1639         }
1640 #endif
1641
1642     // Draw layout.
1643     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1644
1645     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1646
1647     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1648
1649     if (fabs(angle) > 0.00001)
1650         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1651
1652     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1653
1654     int w,h;
1655     pango_layout_get_pixel_size( m_layout, &w, &h );
1656
1657     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1658
1659     if (underlined)
1660     {
1661         // undo underline attributes setting:
1662         pango_layout_set_attributes(m_layout, NULL);
1663     }
1664
1665     CalcBoundingBox(x, y);
1666     CalcBoundingBox(x + w, y + h);
1667 }
1668
1669 void wxGnomePrinterDCImpl::Clear()
1670 {
1671 }
1672
1673 void wxGnomePrinterDCImpl::SetFont( const wxFont& font )
1674 {
1675     m_font = font;
1676
1677     if (m_font.IsOk())
1678     {
1679         if (m_fontdesc)
1680             pango_font_description_free( m_fontdesc );
1681
1682         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1683
1684         float size = pango_font_description_get_size( m_fontdesc );
1685         size = size * GetFontPointSizeAdjustment(72.0);
1686         pango_font_description_set_size( m_fontdesc, (gint)size );
1687
1688         pango_layout_set_font_description( m_layout, m_fontdesc );
1689     }
1690 }
1691
1692 void wxGnomePrinterDCImpl::SetPen( const wxPen& pen )
1693 {
1694     if (!pen.IsOk()) return;
1695
1696     m_pen = pen;
1697
1698     double width;
1699
1700     if (m_pen.GetWidth() <= 0)
1701         width = 0.1;
1702     else
1703         width = (double) m_pen.GetWidth();
1704
1705     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1706
1707     static const double dotted[] =  {2.0, 5.0};
1708     static const double short_dashed[] = {4.0, 4.0};
1709     static const double wxCoord_dashed[] = {4.0, 8.0};
1710     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1711
1712     switch (m_pen.GetStyle())
1713     {
1714         case wxPENSTYLE_DOT:        gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1715         case wxPENSTYLE_SHORT_DASH: gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1716         case wxPENSTYLE_LONG_DASH:  gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1717         case wxPENSTYLE_DOT_DASH:   gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1718         case wxPENSTYLE_USER_DASH:
1719         {
1720             // It may be noted that libgnomeprint between at least
1721             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1722             // and then leak the memory since it doesn't set the
1723             // internal flag "privatedash" to 0.
1724             wxDash *wx_dashes;
1725             int num = m_pen.GetDashes (&wx_dashes);
1726             gdouble *g_dashes = g_new( gdouble, num );
1727             int i;
1728             for (i = 0; i < num; ++i)
1729                 g_dashes[i] = (gdouble) wx_dashes[i];
1730             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1731             g_free( g_dashes );
1732         }
1733         break;
1734         case wxPENSTYLE_SOLID:
1735         case wxPENSTYLE_TRANSPARENT:
1736         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1737     }
1738
1739
1740     unsigned char red = m_pen.GetColour().Red();
1741     unsigned char blue = m_pen.GetColour().Blue();
1742     unsigned char green = m_pen.GetColour().Green();
1743
1744     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1745     {
1746         double redPS = (double)(red) / 255.0;
1747         double bluePS = (double)(blue) / 255.0;
1748         double greenPS = (double)(green) / 255.0;
1749
1750         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1751
1752         m_currentRed = red;
1753         m_currentBlue = blue;
1754         m_currentGreen = green;
1755     }
1756 }
1757
1758 void wxGnomePrinterDCImpl::SetBrush( const wxBrush& brush )
1759 {
1760     if (!brush.IsOk()) return;
1761
1762     m_brush = brush;
1763
1764     // Brush colour
1765     unsigned char red = m_brush.GetColour().Red();
1766     unsigned char blue = m_brush.GetColour().Blue();
1767     unsigned char green = m_brush.GetColour().Green();
1768
1769     if (!m_colour)
1770     {
1771         // Anything not white is black
1772         if (! (red == (unsigned char) 255 &&
1773                blue == (unsigned char) 255 &&
1774                green == (unsigned char) 255) )
1775         {
1776             red = (unsigned char) 0;
1777             green = (unsigned char) 0;
1778             blue = (unsigned char) 0;
1779         }
1780         // setgray here ?
1781     }
1782
1783     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1784     {
1785         double redPS = (double)(red) / 255.0;
1786         double bluePS = (double)(blue) / 255.0;
1787         double greenPS = (double)(green) / 255.0;
1788
1789         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1790
1791         m_currentRed = red;
1792         m_currentBlue = blue;
1793         m_currentGreen = green;
1794     }
1795 }
1796
1797 void wxGnomePrinterDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function))
1798 {
1799 }
1800
1801 void wxGnomePrinterDCImpl::SetBackground(const wxBrush& WXUNUSED(brush))
1802 {
1803 }
1804
1805 void wxGnomePrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1806 {
1807 #if wxUSE_NEW_DC
1808     m_clipping = TRUE;    // TODO move somewhere else
1809     m_clipX1 = x;
1810     m_clipY1 = y;
1811     m_clipX2 = x + width;
1812     m_clipY2 = y + height;
1813 #else
1814     wxDC::DoSetClippingRegion( x, y, width, height );
1815 #endif
1816
1817     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1818
1819     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1820     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1821     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1822     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1823     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1824     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1825     gs_libGnomePrint->gnome_print_clip( m_gpc );
1826 }
1827
1828 void wxGnomePrinterDCImpl::DestroyClippingRegion()
1829 {
1830 #if wxUSE_NEW_DC
1831     wxDCImpl::DestroyClippingRegion();
1832 #else
1833     wxDC::DestroyClippingRegion();
1834 #endif
1835
1836     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1837
1838 #if 0
1839     // not needed, we set the values in each
1840     // drawing method anyways
1841     SetPen( m_pen );
1842     SetBrush( m_brush );
1843     SetFont( m_font );
1844 #endif
1845 }
1846
1847 bool wxGnomePrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
1848 {
1849     return true;
1850 }
1851
1852 void wxGnomePrinterDCImpl::EndDoc()
1853 {
1854     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1855 }
1856
1857 void wxGnomePrinterDCImpl::StartPage()
1858 {
1859     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1860 }
1861
1862 void wxGnomePrinterDCImpl::EndPage()
1863 {
1864     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1865 }
1866
1867 wxCoord wxGnomePrinterDCImpl::GetCharHeight() const
1868 {
1869     pango_layout_set_text( m_layout, "H", 1 );
1870
1871     int w,h;
1872     pango_layout_get_pixel_size( m_layout, &w, &h );
1873
1874     return h;
1875 }
1876
1877 wxCoord wxGnomePrinterDCImpl::GetCharWidth() const
1878 {
1879     pango_layout_set_text( m_layout, "H", 1 );
1880
1881     int w,h;
1882     pango_layout_get_pixel_size( m_layout, &w, &h );
1883
1884     return w;
1885 }
1886
1887 void wxGnomePrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1888                      wxCoord *descent,
1889                      wxCoord *externalLeading,
1890                      const wxFont *theFont ) const
1891 {
1892     if ( width )
1893         *width = 0;
1894     if ( height )
1895         *height = 0;
1896     if ( descent )
1897         *descent = 0;
1898     if ( externalLeading )
1899         *externalLeading = 0;
1900
1901     if (string.empty())
1902     {
1903         return;
1904     }
1905
1906     // Set layout's text
1907
1908     const wxScopedCharBuffer dataUTF8(string.utf8_str());
1909
1910     gint oldSize = 0;
1911     if ( theFont )
1912     {
1913         // scale the font and apply it
1914         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1915         oldSize = pango_font_description_get_size(desc);
1916         float size = oldSize * GetFontPointSizeAdjustment(72.0);
1917         pango_font_description_set_size(desc, (gint)size);
1918
1919         pango_layout_set_font_description(m_layout, desc);
1920     }
1921
1922     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1923
1924     int h;
1925     pango_layout_get_pixel_size( m_layout, width, &h );
1926     if ( height )
1927         *height = h;
1928
1929     if (descent)
1930     {
1931         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1932         int baseline = pango_layout_iter_get_baseline(iter);
1933         pango_layout_iter_free(iter);
1934         *descent = h - PANGO_PIXELS(baseline);
1935     }
1936
1937     if ( theFont )
1938     {
1939         // restore font and reset font's size back
1940         pango_layout_set_font_description(m_layout, m_fontdesc);
1941
1942         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
1943         pango_font_description_set_size(desc, oldSize);
1944     }
1945 }
1946
1947 void wxGnomePrinterDCImpl::DoGetSize(int* width, int* height) const
1948 {
1949     wxGnomePrintNativeData *native =
1950       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1951
1952     // Query page size. This seems to omit the margins
1953     double pw,ph;
1954     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1955
1956     if (width)
1957         *width = wxRound( pw * PS2DEV );
1958
1959     if (height)
1960         *height = wxRound( ph * PS2DEV );
1961 }
1962
1963 void wxGnomePrinterDCImpl::DoGetSizeMM(int *width, int *height) const
1964 {
1965     wxGnomePrintNativeData *native =
1966       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1967
1968     // This code assumes values in Pts.
1969
1970     double pw,ph;
1971     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1972
1973     // Convert to mm.
1974
1975     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1976     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1977     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1978     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1979
1980     if (width)
1981         *width = (int) (pw + 0.5);
1982     if (height)
1983         *height = (int) (ph + 0.5);
1984 }
1985
1986 wxSize wxGnomePrinterDCImpl::GetPPI() const
1987 {
1988     return wxSize(DPI,DPI);
1989 }
1990
1991 void wxGnomePrinterDCImpl::SetPrintData(const wxPrintData& data)
1992 {
1993     m_printData = data;
1994
1995     int height;
1996     if (m_printData.GetOrientation() == wxPORTRAIT)
1997         GetOwner()->GetSize( NULL, &height );
1998     else
1999         GetOwner()->GetSize( &height, NULL );
2000     m_deviceLocalOriginY = height;
2001 }
2002
2003 // overridden for wxPrinterDC Impl
2004
2005 int wxGnomePrinterDCImpl::GetResolution() const
2006 {
2007     return DPI;
2008 }
2009
2010 wxRect wxGnomePrinterDCImpl::GetPaperRect() const
2011 {
2012     // GNOME print doesn't support printer margins
2013     int w = 0;
2014     int h = 0;
2015     DoGetSize( &w, &h );
2016     return wxRect( 0, 0, w, h );
2017 }
2018
2019 // ----------------------------------------------------------------------------
2020 // wxGnomePrintModule
2021 // ----------------------------------------------------------------------------
2022
2023 bool wxGnomePrintModule::OnInit()
2024 {
2025     gs_libGnomePrint = new wxGnomePrintLibrary;
2026     if (gs_libGnomePrint->IsOk())
2027         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
2028     return true;
2029 }
2030
2031 void wxGnomePrintModule::OnExit()
2032 {
2033     wxDELETE(gs_libGnomePrint);
2034 }
2035
2036 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
2037
2038 // ----------------------------------------------------------------------------
2039 // Print preview
2040 // ----------------------------------------------------------------------------
2041
2042 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2043
2044 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2045                                     wxPrintout * WXUNUSED(printoutForPrinting))
2046 {
2047     DetermineScaling();
2048 }
2049
2050 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2051                                                    wxPrintout *printoutForPrinting,
2052                                                    wxPrintDialogData *data)
2053                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2054 {
2055     Init(printout, printoutForPrinting);
2056 }
2057
2058 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2059                                                    wxPrintout *printoutForPrinting,
2060                                                    wxPrintData *data)
2061                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2062 {
2063     Init(printout, printoutForPrinting);
2064 }
2065
2066 wxGnomePrintPreview::~wxGnomePrintPreview()
2067 {
2068 }
2069
2070 bool wxGnomePrintPreview::Print(bool interactive)
2071 {
2072     if (!m_printPrintout)
2073         return false;
2074
2075     wxPrinter printer(& m_printDialogData);
2076     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2077 }
2078
2079 void wxGnomePrintPreview::DetermineScaling()
2080 {
2081     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2082     if (paperType == wxPAPER_NONE)
2083         paperType = wxPAPER_NONE;
2084
2085     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2086     if (!paper)
2087         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2088
2089     if (paper)
2090     {
2091         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2092
2093         int resolution = DPI;
2094         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2095
2096         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2097
2098         // TODO: get better resolution information from wxGnomePrinterDCImpl, if possible.
2099
2100         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
2101         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
2102         wxSize sizeTenthsMM(paper->GetSize());
2103         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2104
2105         // If in landscape mode, we need to swap the width and height.
2106         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2107         {
2108             m_pageWidth = sizeDevUnits.y;
2109             m_pageHeight = sizeDevUnits.x;
2110             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2111         }
2112         else
2113         {
2114             m_pageWidth = sizeDevUnits.x;
2115             m_pageHeight = sizeDevUnits.y;
2116             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2117         }
2118         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2119         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2120
2121         // At 100%, the page should look about page-size on the screen.
2122         m_previewScaleX = (double)0.8 * 72.0 / (double)resolution;
2123         m_previewScaleY = m_previewScaleX;
2124     }
2125 }
2126
2127 #endif
2128     // wxUSE_LIBGNOMEPRINT