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 #endif
  30
  31 #include "wx/fontutil.h"
  32 #include "wx/gtk/private.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35
  36 #include <libgnomeprint/gnome-print.h>
  37 #include <libgnomeprint/gnome-print-pango.h>
  38 #include <libgnomeprint/gnome-print-config.h>
  39 #include <libgnomeprintui/gnome-print-dialog.h>
  40 #include <libgnomeprintui/gnome-print-job-preview.h>
  41 #include <libgnomeprintui/gnome-print-paper-selector.h>
  42
  43 #include "wx/link.h"
  44 wxFORCE_LINK_THIS_MODULE(gnome_print)
  45
  46 //----------------------------------------------------------------------------
  47 // wxGnomePrintLibrary
  48 //----------------------------------------------------------------------------
  49
  50 class wxGnomePrintLibrary
  51 {
  52 public:
  53     wxGnomePrintLibrary();
  54     ~wxGnomePrintLibrary();
  55
  56     bool IsOk();
  57 private:
  58     bool InitializeMethods();
  59
  60     wxDynamicLibrary m_libGnomePrint;
  61     wxDynamicLibrary m_libGnomePrintUI;
  62
  63     // only true if we successfully loaded both libraries
  64     //
  65     // don't rename this field, it's used by wxDL_XXX macros internally
  66     bool m_ok;
  67
  68 public:
  69     wxDL_METHOD_DEFINE( gint, gnome_print_newpath,
  70         (GnomePrintContext *pc), (pc), 0 )
  71     wxDL_METHOD_DEFINE( gint, gnome_print_moveto,
  72         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  73     wxDL_METHOD_DEFINE( gint, gnome_print_lineto,
  74         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
  75     wxDL_METHOD_DEFINE( gint, gnome_print_arcto,
  76         (GnomePrintContext *pc, gdouble x, gdouble y, gdouble radius, gdouble angle1, gdouble angle2, gint direction ), (pc, x, y, radius, angle1, angle2, direction), 0 )
  77     wxDL_METHOD_DEFINE( gint, gnome_print_curveto,
  78         (GnomePrintContext *pc, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gdouble x3, gdouble y3), (pc, x1, y1, x2, y2, x3, y3), 0 )
  79     wxDL_METHOD_DEFINE( gint, gnome_print_closepath,
  80         (GnomePrintContext *pc), (pc), 0 )
  81     wxDL_METHOD_DEFINE( gint, gnome_print_stroke,
  82         (GnomePrintContext *pc), (pc), 0 )
  83     wxDL_METHOD_DEFINE( gint, gnome_print_fill,
  84         (GnomePrintContext *pc), (pc), 0 )
  85     wxDL_METHOD_DEFINE( gint, gnome_print_setrgbcolor,
  86         (GnomePrintContext *pc, gdouble r, gdouble g, gdouble b), (pc, r, g, b), 0 )
  87     wxDL_METHOD_DEFINE( gint, gnome_print_setlinewidth,
  88         (GnomePrintContext *pc, gdouble width), (pc, width), 0 )
  89     wxDL_METHOD_DEFINE( gint, gnome_print_setdash,
  90         (GnomePrintContext *pc, gint n_values, const gdouble *values, gdouble offset), (pc, n_values, values, offset), 0 )
  91
  92     wxDL_METHOD_DEFINE( gint, gnome_print_rgbimage,
  93         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  94     wxDL_METHOD_DEFINE( gint, gnome_print_rgbaimage,
  95         (GnomePrintContext *pc, const guchar *data, gint width, gint height, gint rowstride), (pc, data, width, height, rowstride ), 0 )
  96
  97     wxDL_METHOD_DEFINE( gint, gnome_print_concat,
  98         (GnomePrintContext *pc, const gdouble *matrix), (pc, matrix), 0 )
  99     wxDL_METHOD_DEFINE( gint, gnome_print_scale,
 100         (GnomePrintContext *pc, gdouble sx, gdouble sy), (pc, sx, sy), 0 )
 101     wxDL_METHOD_DEFINE( gint, gnome_print_rotate,
 102         (GnomePrintContext *pc, gdouble theta), (pc, theta), 0 )
 103     wxDL_METHOD_DEFINE( gint, gnome_print_translate,
 104         (GnomePrintContext *pc, gdouble x, gdouble y), (pc, x, y), 0 )
 105
 106     wxDL_METHOD_DEFINE( gint, gnome_print_gsave,
 107         (GnomePrintContext *pc), (pc), 0 )
 108     wxDL_METHOD_DEFINE( gint, gnome_print_grestore,
 109         (GnomePrintContext *pc), (pc), 0 )
 110
 111     wxDL_METHOD_DEFINE( gint, gnome_print_clip,
 112         (GnomePrintContext *pc), (pc), 0 )
 113     wxDL_METHOD_DEFINE( gint, gnome_print_eoclip,
 114         (GnomePrintContext *pc), (pc), 0 )
 115
 116     wxDL_METHOD_DEFINE( gint, gnome_print_beginpage,
 117         (GnomePrintContext *pc, const guchar* name), (pc, name), 0 )
 118     wxDL_METHOD_DEFINE( gint, gnome_print_showpage,
 119         (GnomePrintContext *pc), (pc), 0 )
 120     wxDL_METHOD_DEFINE( gint, gnome_print_end_doc,
 121         (GnomePrintContext *pc), (pc), 0 )
 122
 123     wxDL_METHOD_DEFINE( PangoLayout*, gnome_print_pango_create_layout,
 124         (GnomePrintContext *gpc), (gpc), NULL )
 125     wxDL_VOIDMETHOD_DEFINE( gnome_print_pango_layout,
 126         (GnomePrintContext *gpc, PangoLayout *layout), (gpc, layout)  )
 127
 128     wxDL_METHOD_DEFINE( GnomePrintJob*, gnome_print_job_new,
 129         (GnomePrintConfig *config), (config), NULL )
 130     wxDL_METHOD_DEFINE( GnomePrintContext*, gnome_print_job_get_context,
 131         (GnomePrintJob *job), (job), NULL )
 132     wxDL_METHOD_DEFINE( gint, gnome_print_job_close,
 133         (GnomePrintJob *job), (job), 0 )
 134     wxDL_METHOD_DEFINE( gint, gnome_print_job_print,
 135         (GnomePrintJob *job), (job), 0 )
 136     wxDL_METHOD_DEFINE( gboolean, gnome_print_job_get_page_size,
 137         (GnomePrintJob *job, gdouble *width, gdouble *height), (job, width, height), 0 )
 138
 139     wxDL_METHOD_DEFINE( GnomePrintUnit*, gnome_print_unit_get_by_abbreviation,
 140         (const guchar *abbreviation), (abbreviation), NULL )
 141     wxDL_METHOD_DEFINE( gboolean, gnome_print_convert_distance,
 142         (gdouble *distance, const GnomePrintUnit *from, const GnomePrintUnit *to), (distance, from, to), false )
 143
 144     wxDL_METHOD_DEFINE( GnomePrintConfig*, gnome_print_config_default,
 145         (void), (), NULL )
 146     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set,
 147         (GnomePrintConfig *config, const guchar *key, const guchar *value), (config, key, value), false )
 148     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_double,
 149         (GnomePrintConfig *config, const guchar *key, gdouble value), (config, key, value), false )
 150     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_int,
 151         (GnomePrintConfig *config, const guchar *key, gint value), (config, key, value), false )
 152     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_boolean,
 153         (GnomePrintConfig *config, const guchar *key, gboolean value), (config, key, value), false )
 154     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_set_length,
 155         (GnomePrintConfig *config, const guchar *key, gdouble value, const GnomePrintUnit *unit), (config, key, value, unit), false )
 156
 157     wxDL_METHOD_DEFINE( guchar*, gnome_print_config_get,
 158         (GnomePrintConfig *config, const guchar *key), (config, key), NULL )
 159     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_length,
 160         (GnomePrintConfig *config, const guchar *key, gdouble *val, const GnomePrintUnit **unit), (config, key, val, unit), false )
 161     wxDL_METHOD_DEFINE( gboolean, gnome_print_config_get_boolean,
 162         (GnomePrintConfig *config, const guchar *key, gboolean *val), (config, key, val), false )
 163
 164     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_dialog_new,
 165         (GnomePrintJob *gpj, const guchar *title, gint flags), (gpj, title, flags), NULL )
 166     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_construct_range_page,
 167         (GnomePrintDialog *gpd, gint flags, gint start, gint end,
 168         const guchar *currentlabel, const guchar *rangelabel),
 169         (gpd, flags, start, end, currentlabel, rangelabel) )
 170     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_get_copies,
 171         (GnomePrintDialog *gpd, gint *copies, gboolean *collate), (gpd, copies, collate)  )
 172     wxDL_VOIDMETHOD_DEFINE( gnome_print_dialog_set_copies,
 173         (GnomePrintDialog *gpd, gint copies, gint collate), (gpd, copies, collate)  )
 174     wxDL_METHOD_DEFINE( GnomePrintRangeType, gnome_print_dialog_get_range,
 175         (GnomePrintDialog *gpd), (gpd), GNOME_PRINT_RANGETYPE_NONE )
 176     wxDL_METHOD_DEFINE( int, gnome_print_dialog_get_range_page,
 177         (GnomePrintDialog *gpd, gint *start, gint *end), (gpd, start, end), 0 )
 178
 179     wxDL_METHOD_DEFINE( GtkWidget*, gnome_paper_selector_new_with_flags,
 180         (GnomePrintConfig *config, gint flags), (config, flags), NULL )
 181
 182     wxDL_METHOD_DEFINE( GtkWidget*, gnome_print_job_preview_new,
 183         (GnomePrintJob *gpm, const guchar *title), (gpm, title), NULL )
 184
 185     DECLARE_NO_COPY_CLASS(wxGnomePrintLibrary)
 186 };
 187
 188 wxGnomePrintLibrary::wxGnomePrintLibrary()
 189 {
 190     wxLogNull log;
 191
 192     m_libGnomePrint.Load("libgnomeprint-2-2.so.0");
 193     m_ok = m_libGnomePrint.IsLoaded();
 194     if ( !m_ok )
 195         return;
 196
 197     m_libGnomePrintUI.Load("libgnomeprintui-2-2.so.0");
 198     m_ok = m_libGnomePrintUI.IsLoaded();
 199     if ( !m_ok )
 200     {
 201         m_libGnomePrint.Unload();
 202         return;
 203     }
 204
 205     m_ok = InitializeMethods();
 206 }
 207
 208 wxGnomePrintLibrary::~wxGnomePrintLibrary()
 209 {
 210 }
 211
 212 bool wxGnomePrintLibrary::IsOk()
 213 {
 214     return m_ok;
 215 }
 216
 217 bool wxGnomePrintLibrary::InitializeMethods()
 218 {
 219     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_newpath );
 220     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_moveto );
 221     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_lineto );
 222     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_curveto );
 223     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_arcto );
 224     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_closepath );
 225     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_stroke );
 226     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_fill );
 227     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setrgbcolor );
 228     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setlinewidth );
 229     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_setdash );
 230
 231     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbimage );
 232     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rgbaimage );
 233
 234     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_concat );
 235     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_scale );
 236     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_rotate );
 237     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_translate );
 238
 239     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_gsave );
 240     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_grestore );
 241
 242     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_clip );
 243     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_eoclip );
 244
 245     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_beginpage );
 246     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_showpage );
 247     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_end_doc );
 248
 249     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_create_layout );
 250     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_pango_layout );
 251
 252     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_new );
 253     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_context );
 254     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_close );
 255     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_print );
 256     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_job_get_page_size );
 257
 258     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_unit_get_by_abbreviation );
 259     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_convert_distance );
 260
 261     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_default );
 262     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set );
 263     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_boolean );
 264     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_double );
 265     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_int );
 266     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_set_length );
 267
 268     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get );
 269     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_length );
 270     wxDL_METHOD_LOAD( m_libGnomePrint, gnome_print_config_get_boolean );
 271
 272     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_new );
 273     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_construct_range_page );
 274     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_copies );
 275     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_set_copies );
 276     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range );
 277     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_dialog_get_range_page );
 278
 279     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_paper_selector_new_with_flags );
 280
 281     wxDL_METHOD_LOAD( m_libGnomePrintUI, gnome_print_job_preview_new );
 282
 283     return true;
 284 }
 285
 286 static wxGnomePrintLibrary* gs_libGnomePrint = NULL;
 287
 288 //----------------------------------------------------------------------------
 289 // wxGnomePrintNativeData
 290 //----------------------------------------------------------------------------
 291
 292 IMPLEMENT_CLASS(wxGnomePrintNativeData, wxPrintNativeDataBase)
 293
 294 wxGnomePrintNativeData::wxGnomePrintNativeData()
 295 {
 296     m_config = gs_libGnomePrint->gnome_print_config_default();
 297     m_job = gs_libGnomePrint->gnome_print_job_new( m_config );
 298 }
 299
 300 wxGnomePrintNativeData::~wxGnomePrintNativeData()
 301 {
 302     g_object_unref (m_config);
 303 }
 304
 305 bool wxGnomePrintNativeData::TransferTo( wxPrintData &data )
 306 {
 307     guchar *res = gs_libGnomePrint->gnome_print_config_get( m_config,
 308             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION );
 309     if (g_ascii_strcasecmp((const gchar *)res,"R90") == 0)
 310         data.SetOrientation( wxLANDSCAPE );
 311     else
 312         data.SetOrientation( wxPORTRAIT );
 313     g_free( res );
 314
 315     res = gs_libGnomePrint->gnome_print_config_get( m_config,
 316             (guchar*)(char*)GNOME_PRINT_KEY_OUTPUT_FILENAME );
 317     if (res)
 318     {
 319         data.SetFilename( wxConvFile.cMB2WX( (const char*) res ) );
 320         wxPrintf( "filename %s\n", data.GetFilename() );
 321         g_free( res );
 322     }
 323     else
 324     {
 325         data.SetFilename( wxEmptyString );
 326     }
 327
 328     gboolean ret;
 329     if (gs_libGnomePrint->gnome_print_config_get_boolean( m_config,
 330             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE, &ret))
 331     {
 332         data.SetCollate( ret );
 333     }
 334
 335     // gnome_print_v
 336
 337     return true;
 338 }
 339
 340 bool wxGnomePrintNativeData::TransferFrom( const wxPrintData &data )
 341 {
 342     if (data.GetOrientation() == wxLANDSCAPE)
 343     {
 344         gs_libGnomePrint->gnome_print_config_set( m_config,
 345             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 346             (guchar*)(char*)"R90" );
 347     }
 348     else
 349     {
 350         gs_libGnomePrint->gnome_print_config_set( m_config,
 351             (guchar*)(char*)GNOME_PRINT_KEY_PAGE_ORIENTATION,
 352             (guchar*)(char*)"R0" );
 353     }
 354
 355     if (data.GetCollate())
 356     {
 357         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 358             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 359             TRUE );
 360     }
 361     else
 362     {
 363         gs_libGnomePrint->gnome_print_config_set_boolean( m_config,
 364             (guchar*)(char*)GNOME_PRINT_KEY_COLLATE,
 365             FALSE );
 366     }
 367
 368     switch (data.GetPaperId())
 369     {
 370         case wxPAPER_A3:        gs_libGnomePrint->gnome_print_config_set( m_config,
 371                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 372                                     (guchar*)(char*)"A3" );
 373                                 break;
 374         case wxPAPER_A5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 375                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 376                                     (guchar*)(char*)"A5" );
 377                                 break;
 378         case wxPAPER_B4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 379                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 380                                     (guchar*)(char*)"B4" );
 381                                 break;
 382         case wxPAPER_B5:        gs_libGnomePrint->gnome_print_config_set( m_config,
 383                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 384                                     (guchar*)(char*)"B5" );
 385                                 break;
 386         case wxPAPER_LETTER:        gs_libGnomePrint->gnome_print_config_set( m_config,
 387                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 388                                     (guchar*)(char*)"USLetter" );
 389                                 break;
 390         case wxPAPER_LEGAL:     gs_libGnomePrint->gnome_print_config_set( m_config,
 391                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 392                                     (guchar*)(char*)"USLegal" );
 393                                 break;
 394         case wxPAPER_EXECUTIVE: gs_libGnomePrint->gnome_print_config_set( m_config,
 395                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 396                                     (guchar*)(char*)"Executive" );
 397                                 break;
 398         case wxPAPER_ENV_C5:    gs_libGnomePrint->gnome_print_config_set( m_config,
 399                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 400                                     (guchar*)(char*)"C5" );
 401                                 break;
 402         case wxPAPER_ENV_C6:    gs_libGnomePrint->gnome_print_config_set( m_config,
 403                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 404                                     (guchar*)(char*)"C6" );
 405                                 break;
 406         case wxPAPER_NONE:      break;
 407
 408         default:
 409         case wxPAPER_A4:        gs_libGnomePrint->gnome_print_config_set( m_config,
 410                                     (guchar*)(char*)GNOME_PRINT_KEY_PAPER_SIZE,
 411                                     (guchar*)(char*)"A4" );
 412                                 break;
 413     }
 414
 415     return true;
 416 }
 417
 418 //----------------------------------------------------------------------------
 419 // wxGnomePrintFactory
 420 //----------------------------------------------------------------------------
 421
 422 wxPrinterBase* wxGnomePrintFactory::CreatePrinter( wxPrintDialogData *data )
 423 {
 424     return new wxGnomePrinter( data );
 425 }
 426
 427 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 428                                                     wxPrintout *printout,
 429                                                     wxPrintDialogData *data )
 430 {
 431     return new wxGnomePrintPreview( preview, printout, data );
 432 }
 433
 434 wxPrintPreviewBase *wxGnomePrintFactory::CreatePrintPreview( wxPrintout *preview,
 435                                                     wxPrintout *printout,
 436                                                     wxPrintData *data )
 437 {
 438     return new wxGnomePrintPreview( preview, printout, data );
 439 }
 440
 441 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 442                                                   wxPrintDialogData *data )
 443 {
 444     return new wxGnomePrintDialog( parent, data );
 445 }
 446
 447 wxPrintDialogBase *wxGnomePrintFactory::CreatePrintDialog( wxWindow *parent,
 448                                                   wxPrintData *data )
 449 {
 450     return new wxGnomePrintDialog( parent, data );
 451 }
 452
 453 wxPageSetupDialogBase *wxGnomePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 454                                                           wxPageSetupDialogData * data )
 455 {
 456 //  The native page setup dialog is broken. It
 457 //  miscalculates newly entered values for the
 458 //  margins if you have not chose "points" but
 459 //  e.g. centimerters.
 460 //  This has been fixed in GNOME CVS (maybe
 461 //  fixed in libgnomeprintui 2.8.1)
 462
 463     return new wxGnomePageSetupDialog( parent, data );
 464 }
 465
 466 bool wxGnomePrintFactory::HasPrintSetupDialog()
 467 {
 468     return false;
 469 }
 470
 471 wxDialog *
 472 wxGnomePrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 473                                             wxPrintData * WXUNUSED(data))
 474 {
 475     return NULL;
 476 }
 477
 478 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 479 {
 480     return new wxGnomePrintDC(data);
 481 }
 482
 483 bool wxGnomePrintFactory::HasOwnPrintToFile()
 484 {
 485     return true;
 486 }
 487
 488 bool wxGnomePrintFactory::HasPrinterLine()
 489 {
 490     return true;
 491 }
 492
 493 wxString wxGnomePrintFactory::CreatePrinterLine()
 494 {
 495     // redundant now
 496     return wxEmptyString;
 497 }
 498
 499 bool wxGnomePrintFactory::HasStatusLine()
 500 {
 501     // redundant now
 502     return true;
 503 }
 504
 505 wxString wxGnomePrintFactory::CreateStatusLine()
 506 {
 507     // redundant now
 508     return wxEmptyString;
 509 }
 510
 511 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 512 {
 513     return new wxGnomePrintNativeData;
 514 }
 515
 516 //----------------------------------------------------------------------------
 517 // wxGnomePrintSetupDialog
 518 //----------------------------------------------------------------------------
 519
 520 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 521
 522 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 523                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 524                                wxPoint(0, 0), wxSize(600, 600),
 525                                wxDEFAULT_DIALOG_STYLE |
 526                                wxTAB_TRAVERSAL)
 527 {
 528     if (data)
 529         m_printDialogData = *data;
 530
 531     Init();
 532 }
 533
 534 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 535                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 536                                wxPoint(0, 0), wxSize(600, 600),
 537                                wxDEFAULT_DIALOG_STYLE |
 538                                wxTAB_TRAVERSAL)
 539 {
 540     if (data)
 541         m_printDialogData = *data;
 542
 543     Init();
 544 }
 545
 546 void wxGnomePrintDialog::Init()
 547 {
 548     wxPrintData data = m_printDialogData.GetPrintData();
 549
 550     data.ConvertToNative();
 551
 552     wxGnomePrintNativeData *native =
 553       (wxGnomePrintNativeData*) data.GetNativeData();
 554
 555     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 556                                        (guchar*)"Print",
 557                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 558
 559     int flag = 0;
 560     if (m_printDialogData.GetEnableSelection())
 561         flag |= GNOME_PRINT_RANGE_SELECTION;
 562     if (m_printDialogData.GetEnablePageNumbers())
 563         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 564
 565     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 566                                              flag,
 567                                              m_printDialogData.GetMinPage(),
 568                                              m_printDialogData.GetMaxPage(),
 569                                              NULL,
 570                                              NULL );
 571 }
 572
 573 wxGnomePrintDialog::~wxGnomePrintDialog()
 574 {
 575     m_widget = NULL;
 576 }
 577
 578 int wxGnomePrintDialog::ShowModal()
 579 {
 580     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 581
 582     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 583     {
 584         gtk_widget_destroy(m_widget);
 585         m_widget = NULL;
 586
 587         return wxID_CANCEL;
 588     }
 589
 590     m_printDialogData.GetPrintData().ConvertFromNative();
 591
 592     gint copies = 1;
 593     gboolean collate = false;
 594     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 595     m_printDialogData.SetNoCopies( copies );
 596     m_printDialogData.SetCollate( collate );
 597
 598     switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 599     {
 600         case GNOME_PRINT_RANGE_SELECTION:
 601             m_printDialogData.SetSelection( true );
 602             break;
 603         case GNOME_PRINT_RANGE_ALL:
 604             m_printDialogData.SetAllPages( true );
 605             m_printDialogData.SetFromPage( 0 );
 606             m_printDialogData.SetToPage( 9999 );
 607             break;
 608         case GNOME_PRINT_RANGE_RANGE:
 609         default:
 610             gint start,end;
 611             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 612             m_printDialogData.SetFromPage( start );
 613             m_printDialogData.SetToPage( end );
 614             break;
 615     }
 616
 617     gtk_widget_destroy(m_widget);
 618     m_widget = NULL;
 619
 620     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 621         return wxID_PREVIEW;
 622
 623     return wxID_OK;
 624 }
 625
 626 wxDC *wxGnomePrintDialog::GetPrintDC()
 627 {
 628     // Later
 629     return NULL;
 630 }
 631
 632 bool wxGnomePrintDialog::Validate()
 633 {
 634     return true;
 635 }
 636
 637 bool wxGnomePrintDialog::TransferDataToWindow()
 638 {
 639     return true;
 640 }
 641
 642 bool wxGnomePrintDialog::TransferDataFromWindow()
 643 {
 644     return true;
 645 }
 646
 647 //----------------------------------------------------------------------------
 648 // wxGnomePageSetupDialog
 649 //----------------------------------------------------------------------------
 650
 651 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 652
 653 wxGnomePageSetupDialog::wxGnomePageSetupDialog(wxWindow * WXUNUSED(parent),
 654                                                wxPageSetupDialogData *data)
 655 {
 656     if (data)
 657         m_pageDialogData = *data;
 658
 659     m_pageDialogData.GetPrintData().ConvertToNative();
 660
 661     wxGnomePrintNativeData *native =
 662       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 663
 664     // This *was* required as the page setup dialog
 665     // calculates wrong values otherwise.
 666 #if 0
 667     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 668                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 669                             (const guchar*) "Pts" );
 670 #endif
 671
 672     GnomePrintConfig *config = native->GetPrintConfig();
 673
 674     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 675
 676     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 677     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 678     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 679     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 680
 681     gs_libGnomePrint->gnome_print_config_set_length (config,
 682             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 683     gs_libGnomePrint->gnome_print_config_set_length (config,
 684             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 685     gs_libGnomePrint->gnome_print_config_set_length (config,
 686             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 687     gs_libGnomePrint->gnome_print_config_set_length (config,
 688             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 689
 690     m_widget = gtk_dialog_new();
 691
 692     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 693
 694     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 695         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 696     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 697     gtk_widget_show (main);
 698
 699     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 700
 701     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 702
 703     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 704                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 705                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 706                             NULL);
 707
 708     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 709                             GTK_RESPONSE_OK);
 710 }
 711
 712 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 713 {
 714 }
 715
 716 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 717 {
 718     return m_pageDialogData;
 719 }
 720
 721 int wxGnomePageSetupDialog::ShowModal()
 722 {
 723     wxGnomePrintNativeData *native =
 724       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 725
 726     GnomePrintConfig *config = native->GetPrintConfig();
 727
 728
 729     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 730
 731     if (ret == GTK_RESPONSE_OK)
 732     {
 733         // Transfer data back to m_pageDialogData
 734         m_pageDialogData.GetPrintData().ConvertFromNative();
 735
 736         // I don't know how querying the last parameter works
 737         double ml,mr,mt,mb,pw,ph;
 738         gs_libGnomePrint->gnome_print_config_get_length (config,
 739             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 740         gs_libGnomePrint->gnome_print_config_get_length (config,
 741             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 742         gs_libGnomePrint->gnome_print_config_get_length (config,
 743             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 744         gs_libGnomePrint->gnome_print_config_get_length (config,
 745             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 746         gs_libGnomePrint->gnome_print_config_get_length (config,
 747             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 748         gs_libGnomePrint->gnome_print_config_get_length (config,
 749             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 750
 751         // This code converts correctly from what the user chose
 752         // as the unit although I query Pts here
 753         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 754         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 755         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 756         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 757         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 758         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 759         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 760         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 761
 762         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 763         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 764
 765         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 766
 767         ret = wxID_OK;
 768     }
 769     else
 770     {
 771         ret = wxID_CANCEL;
 772     }
 773
 774     gtk_widget_destroy( m_widget );
 775     m_widget = NULL;
 776
 777     return ret;
 778 }
 779
 780 bool wxGnomePageSetupDialog::Validate()
 781 {
 782     return true;
 783 }
 784
 785 bool wxGnomePageSetupDialog::TransferDataToWindow()
 786 {
 787     return true;
 788 }
 789
 790 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 791 {
 792     return true;
 793 }
 794
 795 //----------------------------------------------------------------------------
 796 // wxGnomePrinter
 797 //----------------------------------------------------------------------------
 798
 799 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 800
 801 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 802     wxPrinterBase( data )
 803 {
 804     m_native_preview = false;
 805 }
 806
 807 wxGnomePrinter::~wxGnomePrinter()
 808 {
 809 }
 810
 811 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 812 {
 813     if (!printout)
 814     {
 815         sm_lastError = wxPRINTER_ERROR;
 816         return false;
 817     }
 818
 819     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 820
 821     wxGnomePrintNativeData *native =
 822         (wxGnomePrintNativeData*) printdata.GetNativeData();
 823
 824     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 825
 826     // The GnomePrintJob is temporarily stored in the
 827     // native print data as the native print dialog
 828     // needs to access it.
 829     native->SetPrintJob( job );
 830
 831
 832     printout->SetIsPreview(false);
 833
 834     if (m_printDialogData.GetMinPage() < 1)
 835         m_printDialogData.SetMinPage(1);
 836     if (m_printDialogData.GetMaxPage() < 1)
 837         m_printDialogData.SetMaxPage(9999);
 838
 839     wxDC *dc;
 840     if (prompt)
 841         dc = PrintDialog( parent );
 842     else
 843         dc = new wxGnomePrintDC( printdata );
 844
 845     if (m_native_preview)
 846         printout->SetIsPreview(true);
 847
 848     if (!dc)
 849     {
 850         gs_libGnomePrint->gnome_print_job_close( job );
 851         g_object_unref (job);
 852         if (sm_lastError != wxPRINTER_CANCELLED)
 853             sm_lastError = wxPRINTER_ERROR;
 854         return false;
 855     }
 856
 857     wxSize ScreenPixels = wxGetDisplaySize();
 858     wxSize ScreenMM = wxGetDisplaySizeMM();
 859
 860     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 861                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 862     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 863                              wxGnomePrintDC::GetResolution() );
 864
 865     printout->SetDC(dc);
 866
 867     int w, h;
 868     dc->GetSize(&w, &h);
 869     printout->SetPageSizePixels((int)w, (int)h);
 870     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 871     int mw, mh;
 872     dc->GetSizeMM(&mw, &mh);
 873     printout->SetPageSizeMM((int)mw, (int)mh);
 874     printout->OnPreparePrinting();
 875
 876     // Get some parameters from the printout, if defined
 877     int fromPage, toPage;
 878     int minPage, maxPage;
 879     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 880
 881     if (maxPage == 0)
 882     {
 883         gs_libGnomePrint->gnome_print_job_close( job );
 884         g_object_unref (job);
 885         sm_lastError = wxPRINTER_ERROR;
 886         return false;
 887     }
 888
 889     printout->OnBeginPrinting();
 890
 891     int minPageNum = minPage, maxPageNum = maxPage;
 892
 893     if ( !m_printDialogData.GetAllPages() )
 894     {
 895         minPageNum = m_printDialogData.GetFromPage();
 896         maxPageNum = m_printDialogData.GetToPage();
 897     }
 898
 899
 900     int copyCount;
 901     for ( copyCount = 1;
 902           copyCount <= m_printDialogData.GetNoCopies();
 903           copyCount++ )
 904     {
 905         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 906         {
 907             wxLogError(_("Could not start printing."));
 908             sm_lastError = wxPRINTER_ERROR;
 909             break;
 910         }
 911
 912         int pn;
 913         for ( pn = minPageNum;
 914               pn <= maxPageNum && printout->HasPage(pn);
 915               pn++ )
 916         {
 917             dc->StartPage();
 918             printout->OnPrintPage(pn);
 919             dc->EndPage();
 920         }
 921
 922         printout->OnEndDocument();
 923         printout->OnEndPrinting();
 924     }
 925
 926     gs_libGnomePrint->gnome_print_job_close( job );
 927     if (m_native_preview)
 928     {
 929         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 930         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 931                                      (
 932                                         job,
 933                                         (const guchar *)title.data()
 934                                      );
 935         gtk_widget_show(preview);
 936     }
 937     else
 938     {
 939         gs_libGnomePrint->gnome_print_job_print( job );
 940     }
 941
 942     g_object_unref (job);
 943     delete dc;
 944
 945     return (sm_lastError == wxPRINTER_NO_ERROR);
 946 }
 947
 948 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 949 {
 950     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 951     int ret = dialog.ShowModal();
 952     if (ret == wxID_CANCEL)
 953     {
 954         sm_lastError = wxPRINTER_CANCELLED;
 955         return NULL;
 956     }
 957
 958     m_native_preview = ret == wxID_PREVIEW;
 959
 960     m_printDialogData = dialog.GetPrintDialogData();
 961     return new wxGnomePrintDC( m_printDialogData.GetPrintData() );
 962 }
 963
 964 bool wxGnomePrinter::Setup(wxWindow * WXUNUSED(parent))
 965 {
 966     return false;
 967 }
 968
 969 //-----------------------------------------------------------------------------
 970 // wxGnomePrintDC
 971 //-----------------------------------------------------------------------------
 972
 973 // conversion
 974 static const double RAD2DEG  = 180.0 / M_PI;
 975
 976 // we don't want to use only 72 dpi from GNOME print
 977 static const int DPI = 600;
 978 static const double PS2DEV = 600.0 / 72.0;
 979 static const double DEV2PS = 72.0 / 600.0;
 980
 981 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 982 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 983 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 984 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
 985
 986 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 987
 988 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 989 {
 990     m_printData = data;
 991
 992     wxGnomePrintNativeData *native =
 993         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 994
 995     m_job = native->GetPrintJob();
 996     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
 997
 998     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
 999     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1000     m_context = NULL;
1001
1002     m_currentRed = 0;
1003     m_currentBlue = 0;
1004     m_currentGreen = 0;
1005
1006     // Query page size. This seems to omit the margins
1007     double pw,ph;
1008     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1009
1010     m_pageHeight = ph * PS2DEV;
1011 }
1012
1013 wxGnomePrintDC::~wxGnomePrintDC()
1014 {
1015 }
1016
1017 bool wxGnomePrintDC::IsOk() const
1018 {
1019     return true;
1020 }
1021
1022 bool
1023 wxGnomePrintDC::DoFloodFill(wxCoord WXUNUSED(x1),
1024                             wxCoord WXUNUSED(y1),
1025                             const wxColour& WXUNUSED(col),
1026                             int WXUNUSED(style))
1027 {
1028     return false;
1029 }
1030
1031 bool
1032 wxGnomePrintDC::DoGetPixel(wxCoord WXUNUSED(x1),
1033                            wxCoord WXUNUSED(y1),
1034                            wxColour * WXUNUSED(col)) const
1035 {
1036     return false;
1037 }
1038
1039 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1040 {
1041     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1042
1043     SetPen( m_pen );
1044
1045     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1046     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1047     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1048
1049     CalcBoundingBox( x1, y1 );
1050     CalcBoundingBox( x2, y2 );
1051 }
1052
1053 void wxGnomePrintDC::DoCrossHair(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1054 {
1055 }
1056
1057 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1058 {
1059     double dx = x1 - xc;
1060     double dy = y1 - yc;
1061     double radius = sqrt((double)(dx*dx+dy*dy));
1062     double alpha1, alpha2;
1063     if (x1 == x2 && y1 == y2)
1064     {
1065         alpha1 = 0.0;
1066         alpha2 = 360.0;
1067     }
1068     else if ( wxIsNullDouble(radius) )
1069     {
1070         alpha1 =
1071         alpha2 = 0.0;
1072     }
1073     else
1074     {
1075         alpha1 = (x1 - xc == 0) ?
1076             (y1 - yc < 0) ? 90.0 : -90.0 :
1077             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1078         alpha2 = (x2 - xc == 0) ?
1079             (y2 - yc < 0) ? 90.0 : -90.0 :
1080             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1081
1082         while (alpha1 <= 0)   alpha1 += 360;
1083         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1084         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1085         while (alpha2 > 360)  alpha2 -= 360;
1086     }
1087
1088     if (m_brush.GetStyle() != wxTRANSPARENT)
1089     {
1090         SetBrush( m_brush );
1091         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1092         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1093
1094         gs_libGnomePrint->gnome_print_fill( m_gpc );
1095     }
1096
1097     if (m_pen.GetStyle() != wxTRANSPARENT)
1098     {
1099         SetPen (m_pen);
1100         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1101         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1102         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1103         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1104
1105         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1106     }
1107
1108     CalcBoundingBox (x1, y1);
1109     CalcBoundingBox (x2, y2);
1110     CalcBoundingBox (xc, yc);
1111 }
1112
1113 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1114 {
1115     x += w/2;
1116     y += h/2;
1117
1118     double xx = XLOG2DEV(x);
1119     double yy = YLOG2DEV(y);
1120
1121     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1122
1123     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1124     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1125     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1126
1127     xx = 0.0;
1128     yy = 0.0;
1129
1130     if (m_brush.GetStyle () != wxTRANSPARENT)
1131     {
1132         SetBrush( m_brush );
1133
1134         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1135         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1136             XLOG2DEVREL(w)/2, sa, ea, 0 );
1137         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1138
1139         gs_libGnomePrint->gnome_print_fill( m_gpc );
1140     }
1141
1142     if (m_pen.GetStyle () != wxTRANSPARENT)
1143     {
1144         SetPen (m_pen);
1145
1146         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1147             XLOG2DEVREL(w)/2, sa, ea, 0 );
1148
1149         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1150     }
1151
1152     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1153
1154     CalcBoundingBox( x, y );
1155     CalcBoundingBox( x+w, y+h );
1156 }
1157
1158 void wxGnomePrintDC::DoDrawPoint(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
1159 {
1160 }
1161
1162 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1163 {
1164     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1165
1166     if (n <= 0) return;
1167
1168     SetPen (m_pen);
1169
1170     int i;
1171     for ( i =0; i<n ; i++ )
1172         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1173
1174     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1175
1176     for (i = 1; i < n; i++)
1177         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1178
1179     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1180 }
1181
1182 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[],
1183                                    wxCoord xoffset, wxCoord yoffset,
1184                                    int WXUNUSED(fillStyle))
1185 {
1186     if (n==0) return;
1187
1188     if (m_brush.GetStyle () != wxTRANSPARENT)
1189     {
1190         SetBrush( m_brush );
1191
1192         int x = points[0].x + xoffset;
1193         int y = points[0].y + yoffset;
1194         CalcBoundingBox( x, y );
1195         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1196         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1197         int i;
1198         for (i = 1; i < n; i++)
1199         {
1200             x = points[i].x + xoffset;
1201             y = points[i].y + yoffset;
1202             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1203             CalcBoundingBox( x, y );
1204         }
1205         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1206         gs_libGnomePrint->gnome_print_fill( m_gpc );
1207     }
1208
1209     if (m_pen.GetStyle () != wxTRANSPARENT)
1210     {
1211         SetPen (m_pen);
1212
1213         int x = points[0].x + xoffset;
1214         int y = points[0].y + yoffset;
1215         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1216         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1217         int i;
1218         for (i = 1; i < n; i++)
1219         {
1220             x = points[i].x + xoffset;
1221             y = points[i].y + yoffset;
1222             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1223             CalcBoundingBox( x, y );
1224         }
1225         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1226         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1227     }
1228 }
1229
1230 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1231 {
1232     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1233 }
1234
1235 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1236 {
1237     width--;
1238     height--;
1239
1240     if (m_brush.GetStyle () != wxTRANSPARENT)
1241     {
1242         SetBrush( m_brush );
1243
1244         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1245         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1246         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1247         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1248         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1249         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1250         gs_libGnomePrint->gnome_print_fill( m_gpc );
1251
1252         CalcBoundingBox( x, y );
1253         CalcBoundingBox( x + width, y + height );
1254     }
1255
1256     if (m_pen.GetStyle () != wxTRANSPARENT)
1257     {
1258         SetPen (m_pen);
1259
1260         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1261         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1262         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1263         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1264         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1265         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1266         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1267
1268         CalcBoundingBox( x, y );
1269         CalcBoundingBox( x + width, y + height );
1270     }
1271 }
1272
1273 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1274 {
1275     width--;
1276     height--;
1277
1278     wxCoord rad = wxRound( radius );
1279
1280     if (m_brush.GetStyle() != wxTRANSPARENT)
1281     {
1282         SetBrush(m_brush);
1283         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1284         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1285         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1286                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1287                                     XLOG2DEV(x),YLOG2DEV(y),
1288                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1289         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1290         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1291                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1292                                     XLOG2DEV(x),YLOG2DEV(y + height),
1293                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1294         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1295         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1296                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1297                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1298                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1299         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1300         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1301                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1302                                     XLOG2DEV(x + width),YLOG2DEV(y),
1303                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1304         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1305         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1306         gs_libGnomePrint->gnome_print_fill(m_gpc);
1307
1308         CalcBoundingBox(x,y);
1309         CalcBoundingBox(x+width,y+height);
1310     }
1311
1312     if (m_pen.GetStyle() != wxTRANSPARENT)
1313     {
1314         SetPen(m_pen);
1315         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1316         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1317         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1318                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1319                                     XLOG2DEV(x),YLOG2DEV(y),
1320                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1321         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1322         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1323                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1324                                     XLOG2DEV(x),YLOG2DEV(y + height),
1325                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1326         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1327         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1328                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1329                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1330                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1331         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1332         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1333                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1334                                     XLOG2DEV(x + width),YLOG2DEV(y),
1335                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1336         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1337         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1338         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1339
1340         CalcBoundingBox(x,y);
1341         CalcBoundingBox(x+width,y+height);
1342     }
1343 }
1344
1345 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1346                                         wxCoord width, wxCoord height)
1347 {
1348     double r = 4 * (sqrt(2.) - 1) / 3;
1349     double  halfW = 0.5 * width,
1350             halfH = 0.5 * height,
1351             halfWR = r * halfW,
1352             halfHR = r * halfH;
1353     wxCoord halfWI = (wxCoord) halfW,
1354             halfHI = (wxCoord) halfH;
1355
1356     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1357
1358     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1359     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1360                 XLOG2DEV(x + width),
1361                 YLOG2DEV(y + halfHI) );
1362     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1363                 XLOG2DEV(x + width),
1364                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1365                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1366                 YLOG2DEV(y + height),
1367                 XLOG2DEV(x + halfWI),
1368                 YLOG2DEV(y + height) );
1369     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1370                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1371                 YLOG2DEV(y + height),
1372                 XLOG2DEV(x),
1373                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1374                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1375     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1376                 XLOG2DEV(x),
1377                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1378                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1379                 YLOG2DEV(y),
1380                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1381     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1382                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1383                 YLOG2DEV(y),
1384                 XLOG2DEV(x + width),
1385                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1386                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1387
1388     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1389 }
1390
1391 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1392 {
1393     width--;
1394     height--;
1395
1396     if (m_brush.GetStyle () != wxTRANSPARENT)
1397     {
1398         SetBrush( m_brush );
1399         makeEllipticalPath( x, y, width, height );
1400         gs_libGnomePrint->gnome_print_fill( m_gpc );
1401         CalcBoundingBox( x, y );
1402         CalcBoundingBox( x + width, y + height );
1403     }
1404
1405     if (m_pen.GetStyle () != wxTRANSPARENT)
1406     {
1407         SetPen (m_pen);
1408         makeEllipticalPath( x, y, width, height );
1409         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1410         CalcBoundingBox( x, y );
1411         CalcBoundingBox( x + width, y + height );
1412     }
1413 }
1414
1415 #if wxUSE_SPLINES
1416 void wxGnomePrintDC::DoDrawSpline(const wxPointList *points)
1417 {
1418     SetPen (m_pen);
1419
1420     double c, d, x1, y1, x2, y2, x3, y3;
1421     wxPoint *p, *q;
1422
1423     wxPointList::compatibility_iterator node = points->GetFirst();
1424     p = node->GetData();
1425     x1 = p->x;
1426     y1 = p->y;
1427
1428     node = node->GetNext();
1429     p = node->GetData();
1430     c = p->x;
1431     d = p->y;
1432     x3 =
1433          (double)(x1 + c) / 2;
1434     y3 =
1435          (double)(y1 + d) / 2;
1436
1437     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1438     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1439     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1440
1441     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1442     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1443
1444     node = node->GetNext();
1445     while (node)
1446     {
1447         q = node->GetData();
1448
1449         x1 = x3;
1450         y1 = y3;
1451         x2 = c;
1452         y2 = d;
1453         c = q->x;
1454         d = q->y;
1455         x3 = (double)(x2 + c) / 2;
1456         y3 = (double)(y2 + d) / 2;
1457
1458         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1459             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1460             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1461             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1462
1463         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1464         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1465
1466         node = node->GetNext();
1467     }
1468
1469     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1470
1471     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1472 }
1473 #endif // wxUSE_SPLINES
1474
1475 bool
1476 wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest,
1477                       wxCoord width, wxCoord height,
1478                       wxDC *source,
1479                       wxCoord xsrc, wxCoord ysrc,
1480                       int rop,
1481                       bool WXUNUSED(useMask),
1482                       wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
1483 {
1484     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1485
1486     // blit into a bitmap
1487     wxBitmap bitmap( width, height );
1488     wxMemoryDC memDC;
1489     memDC.SelectObject(bitmap);
1490     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1491     memDC.SelectObject(wxNullBitmap);
1492
1493     // draw bitmap. scaling and positioning is done there
1494     DrawBitmap( bitmap, xdest, ydest );
1495
1496     return true;
1497 }
1498
1499 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1500 {
1501     DoDrawBitmap( icon, x, y, true );
1502 }
1503
1504 void
1505 wxGnomePrintDC::DoDrawBitmap(const wxBitmap& bitmap,
1506                              wxCoord x, wxCoord y,
1507                              bool WXUNUSED(useMask))
1508 {
1509     if (!bitmap.Ok()) return;
1510
1511     if (bitmap.HasPixbuf())
1512     {
1513         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1514         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1515         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1516         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1517         int height = gdk_pixbuf_get_height( pixbuf );
1518         int width = gdk_pixbuf_get_width( pixbuf );
1519
1520         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1521         double matrix[6];
1522         matrix[0] = XLOG2DEVREL(width);
1523         matrix[1] = 0;
1524         matrix[2] = 0;
1525         matrix[3] = YLOG2DEVREL(height);
1526         matrix[4] = XLOG2DEV(x);
1527         matrix[5] = YLOG2DEV(y+height);
1528         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1529         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1530         if (has_alpha)
1531             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1532         else
1533             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1534         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1535     }
1536     else
1537     {
1538         wxImage image = bitmap.ConvertToImage();
1539
1540         if (!image.Ok()) return;
1541
1542         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1543         double matrix[6];
1544         matrix[0] = XLOG2DEVREL(image.GetWidth());
1545         matrix[1] = 0;
1546         matrix[2] = 0;
1547         matrix[3] = YLOG2DEVREL(image.GetHeight());
1548         matrix[4] = XLOG2DEV(x);
1549         matrix[5] = YLOG2DEV(y+image.GetHeight());
1550         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1551         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1552         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1553         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1554     }
1555 }
1556
1557 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1558 {
1559     DoDrawRotatedText( text, x, y, 0.0 );
1560 }
1561
1562 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1563 {
1564     double xx = XLOG2DEV(x);
1565     double yy = YLOG2DEV(y);
1566
1567     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1568
1569     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1570 #if wxUSE_UNICODE_UTF8
1571     const char *data = text.utf8_str();
1572 #else
1573     const wxCharBuffer data = text.utf8_str();
1574 #endif
1575
1576     size_t datalen = strlen(data);
1577     pango_layout_set_text( m_layout, data, datalen);
1578
1579     if (underlined)
1580     {
1581         PangoAttrList *attrs = pango_attr_list_new();
1582         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1583         a->start_index = 0;
1584         a->end_index = datalen;
1585         pango_attr_list_insert(attrs, a);
1586         pango_layout_set_attributes(m_layout, attrs);
1587         pango_attr_list_unref(attrs);
1588     }
1589
1590     if (m_textForegroundColour.Ok())
1591     {
1592         unsigned char red = m_textForegroundColour.Red();
1593         unsigned char blue = m_textForegroundColour.Blue();
1594         unsigned char green = m_textForegroundColour.Green();
1595
1596         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1597         {
1598             double redPS = (double)(red) / 255.0;
1599             double bluePS = (double)(blue) / 255.0;
1600             double greenPS = (double)(green) / 255.0;
1601
1602             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1603
1604             m_currentRed = red;
1605             m_currentBlue = blue;
1606             m_currentGreen = green;
1607         }
1608     }
1609
1610     int w,h;
1611     pango_layout_get_pixel_size( m_layout, &w, &h );
1612 #if 0
1613         if ( m_backgroundMode == wxSOLID )
1614         {
1615             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1616             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1617             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1618         }
1619 #endif
1620
1621     // Draw layout.
1622     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1623
1624     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1625
1626     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1627
1628     if (fabs(angle) > 0.00001)
1629         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1630
1631     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1632
1633     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1634
1635     if (underlined)
1636     {
1637         // undo underline attributes setting:
1638         pango_layout_set_attributes(m_layout, NULL);
1639     }
1640
1641     CalcBoundingBox (x + w, y + h);
1642 }
1643
1644 void wxGnomePrintDC::Clear()
1645 {
1646 }
1647
1648 void wxGnomePrintDC::SetFont( const wxFont& font )
1649 {
1650     m_font = font;
1651
1652     if (m_font.Ok())
1653     {
1654         if (m_fontdesc)
1655             pango_font_description_free( m_fontdesc );
1656
1657         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1658
1659         pango_layout_set_font_description( m_layout, m_fontdesc );
1660     }
1661 }
1662
1663 void wxGnomePrintDC::SetPen( const wxPen& pen )
1664 {
1665     if (!pen.Ok()) return;
1666
1667     m_pen = pen;
1668
1669     double width;
1670
1671     if (m_pen.GetWidth() <= 0)
1672         width = 0.1;
1673     else
1674         width = (double) m_pen.GetWidth();
1675
1676     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1677
1678     static const double dotted[] =  {2.0, 5.0};
1679     static const double short_dashed[] = {4.0, 4.0};
1680     static const double wxCoord_dashed[] = {4.0, 8.0};
1681     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1682
1683     switch (m_pen.GetStyle())
1684     {
1685         case wxDOT:           gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1686         case wxSHORT_DASH:    gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1687         case wxLONG_DASH:     gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1688         case wxDOT_DASH:      gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1689         case wxUSER_DASH:
1690         {
1691             // It may be noted that libgnomeprint between at least
1692             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1693             // and then leak the memory since it doesn't set the
1694             // internal flag "privatedash" to 0.
1695             wxDash *wx_dashes;
1696             int num = m_pen.GetDashes (&wx_dashes);
1697             gdouble *g_dashes = g_new( gdouble, num );
1698             int i;
1699             for (i = 0; i < num; ++i)
1700                 g_dashes[i] = (gdouble) wx_dashes[i];
1701             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1702             g_free( g_dashes );
1703         }
1704         break;
1705         case wxSOLID:
1706         case wxTRANSPARENT:
1707         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1708     }
1709
1710
1711     unsigned char red = m_pen.GetColour().Red();
1712     unsigned char blue = m_pen.GetColour().Blue();
1713     unsigned char green = m_pen.GetColour().Green();
1714
1715     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1716     {
1717         double redPS = (double)(red) / 255.0;
1718         double bluePS = (double)(blue) / 255.0;
1719         double greenPS = (double)(green) / 255.0;
1720
1721         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1722
1723         m_currentRed = red;
1724         m_currentBlue = blue;
1725         m_currentGreen = green;
1726     }
1727 }
1728
1729 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1730 {
1731     if (!brush.Ok()) return;
1732
1733     m_brush = brush;
1734
1735     // Brush colour
1736     unsigned char red = m_brush.GetColour().Red();
1737     unsigned char blue = m_brush.GetColour().Blue();
1738     unsigned char green = m_brush.GetColour().Green();
1739
1740     if (!m_colour)
1741     {
1742         // Anything not white is black
1743         if (! (red == (unsigned char) 255 &&
1744                blue == (unsigned char) 255 &&
1745                green == (unsigned char) 255) )
1746         {
1747             red = (unsigned char) 0;
1748             green = (unsigned char) 0;
1749             blue = (unsigned char) 0;
1750         }
1751         // setgray here ?
1752     }
1753
1754     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1755     {
1756         double redPS = (double)(red) / 255.0;
1757         double bluePS = (double)(blue) / 255.0;
1758         double greenPS = (double)(green) / 255.0;
1759
1760         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1761
1762         m_currentRed = red;
1763         m_currentBlue = blue;
1764         m_currentGreen = green;
1765     }
1766 }
1767
1768 void wxGnomePrintDC::SetLogicalFunction(int WXUNUSED(function))
1769 {
1770 }
1771
1772 void wxGnomePrintDC::SetBackground(const wxBrush& WXUNUSED(brush))
1773 {
1774 }
1775
1776 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1777 {
1778     wxDC::DoSetClippingRegion( x, y, width, height );
1779
1780     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1781
1782     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1783     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1784     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1785     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1786     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1787     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1788     gs_libGnomePrint->gnome_print_clip( m_gpc );
1789 }
1790
1791 void wxGnomePrintDC::DestroyClippingRegion()
1792 {
1793     wxDC::DestroyClippingRegion();
1794
1795     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1796
1797 #if 0
1798     // not needed, we set the values in each
1799     // drawing method anyways
1800     SetPen( m_pen );
1801     SetBrush( m_brush );
1802     SetFont( m_font );
1803 #endif
1804 }
1805
1806 bool wxGnomePrintDC::StartDoc(const wxString& WXUNUSED(message))
1807 {
1808     return true;
1809 }
1810
1811 void wxGnomePrintDC::EndDoc()
1812 {
1813     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1814 }
1815
1816 void wxGnomePrintDC::StartPage()
1817 {
1818     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1819 }
1820
1821 void wxGnomePrintDC::EndPage()
1822 {
1823     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1824 }
1825
1826 wxCoord wxGnomePrintDC::GetCharHeight() const
1827 {
1828     pango_layout_set_text( m_layout, "H", 1 );
1829
1830     int w,h;
1831     pango_layout_get_pixel_size( m_layout, &w, &h );
1832
1833     return h;
1834 }
1835
1836 wxCoord wxGnomePrintDC::GetCharWidth() const
1837 {
1838     pango_layout_set_text( m_layout, "H", 1 );
1839
1840     int w,h;
1841     pango_layout_get_pixel_size( m_layout, &w, &h );
1842
1843     return w;
1844 }
1845
1846 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1847                      wxCoord *descent,
1848                      wxCoord *externalLeading,
1849                      const wxFont *theFont ) const
1850 {
1851     if ( width )
1852         *width = 0;
1853     if ( height )
1854         *height = 0;
1855     if ( descent )
1856         *descent = 0;
1857     if ( externalLeading )
1858         *externalLeading = 0;
1859
1860     if (string.empty())
1861     {
1862         return;
1863     }
1864
1865     // Set layout's text
1866
1867     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1868 #if wxUSE_UNICODE_UTF8
1869     const char *dataUTF8 = string.utf8_str();
1870 #else
1871     const wxCharBuffer dataUTF8 = string.utf8_str();
1872 #endif
1873
1874     PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
1875
1876     gint oldSize = pango_font_description_get_size( desc );
1877     double size = oldSize;
1878     size = size * m_scaleY;
1879     pango_font_description_set_size( desc, (gint)size );
1880
1881     // apply scaled font
1882     pango_layout_set_font_description( m_layout, desc );
1883
1884     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1885
1886     int w, h;
1887     pango_layout_get_pixel_size( m_layout, &w, &h );
1888
1889
1890     if (width)
1891         *width = (wxCoord)(w / m_scaleX);
1892     if (height)
1893         *height = (wxCoord)(h / m_scaleY);
1894
1895     if (descent)
1896     {
1897         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1898         int baseline = pango_layout_iter_get_baseline(iter);
1899         pango_layout_iter_free(iter);
1900         *descent = h - PANGO_PIXELS(baseline);
1901     }
1902
1903     // reset unscaled size
1904     pango_font_description_set_size( desc, oldSize );
1905
1906     // reset unscaled font
1907     pango_layout_set_font_description( m_layout, m_fontdesc );
1908 }
1909
1910 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1911 {
1912     wxGnomePrintNativeData *native =
1913       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1914
1915     // Query page size. This seems to omit the margins
1916     double pw,ph;
1917     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1918
1919     if (width)
1920         *width = wxRound( pw * PS2DEV );
1921
1922     if (height)
1923         *height = wxRound( ph * PS2DEV );
1924 }
1925
1926 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1927 {
1928     wxGnomePrintNativeData *native =
1929       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1930
1931     // This code assumes values in Pts.
1932
1933     double pw,ph;
1934     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1935
1936     // Convert to mm.
1937
1938     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1939     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1940     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1941     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1942
1943     if (width)
1944         *width = (int) (pw + 0.5);
1945     if (height)
1946         *height = (int) (ph + 0.5);
1947 }
1948
1949 wxSize wxGnomePrintDC::GetPPI() const
1950 {
1951     return wxSize(DPI,DPI);
1952 }
1953
1954 void wxGnomePrintDC::SetPrintData(const wxPrintData& data)
1955 {
1956     m_printData = data;
1957
1958     int height;
1959     if (m_printData.GetOrientation() == wxPORTRAIT)
1960         GetSize( NULL, &height );
1961     else
1962         GetSize( &height, NULL );
1963     m_deviceLocalOriginY = height;
1964 }
1965
1966 void wxGnomePrintDC::SetResolution(int WXUNUSED(ppi))
1967 {
1968 }
1969
1970 int wxGnomePrintDC::GetResolution()
1971 {
1972     return DPI;
1973 }
1974
1975 // ----------------------------------------------------------------------------
1976 // wxGnomePrintModule
1977 // ----------------------------------------------------------------------------
1978
1979 bool wxGnomePrintModule::OnInit()
1980 {
1981     gs_libGnomePrint = new wxGnomePrintLibrary;
1982     if (gs_libGnomePrint->IsOk())
1983         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1984     return true;
1985 }
1986
1987 void wxGnomePrintModule::OnExit()
1988 {
1989     delete gs_libGnomePrint;
1990     gs_libGnomePrint = NULL;
1991 }
1992
1993 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1994
1995 // ----------------------------------------------------------------------------
1996 // Print preview
1997 // ----------------------------------------------------------------------------
1998
1999 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
2000
2001 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
2002                                     wxPrintout * WXUNUSED(printoutForPrinting))
2003 {
2004     DetermineScaling();
2005 }
2006
2007 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2008                                                    wxPrintout *printoutForPrinting,
2009                                                    wxPrintDialogData *data)
2010                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2011 {
2012     Init(printout, printoutForPrinting);
2013 }
2014
2015 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
2016                                                    wxPrintout *printoutForPrinting,
2017                                                    wxPrintData *data)
2018                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2019 {
2020     Init(printout, printoutForPrinting);
2021 }
2022
2023 wxGnomePrintPreview::~wxGnomePrintPreview()
2024 {
2025 }
2026
2027 bool wxGnomePrintPreview::Print(bool interactive)
2028 {
2029     if (!m_printPrintout)
2030         return false;
2031
2032     wxPrinter printer(& m_printDialogData);
2033     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2034 }
2035
2036 void wxGnomePrintPreview::DetermineScaling()
2037 {
2038     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2039     if (paperType == wxPAPER_NONE)
2040         paperType = wxPAPER_NONE;
2041
2042     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2043     if (!paper)
2044         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2045
2046     if (paper)
2047     {
2048         wxSize ScreenPixels = wxGetDisplaySize();
2049         wxSize ScreenMM = wxGetDisplaySizeMM();
2050
2051         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2052                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2053         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
2054
2055         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2056
2057         // TODO: get better resolution information from wxGnomePrintDC, if possible.
2058
2059         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
2060         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
2061         wxSize sizeTenthsMM(paper->GetSize());
2062         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2063
2064         // If in landscape mode, we need to swap the width and height.
2065         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2066         {
2067             m_pageWidth = sizeDevUnits.y;
2068             m_pageHeight = sizeDevUnits.x;
2069             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2070         }
2071         else
2072         {
2073             m_pageWidth = sizeDevUnits.x;
2074             m_pageHeight = sizeDevUnits.y;
2075             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2076         }
2077         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2078         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2079
2080         // At 100%, the page should look about page-size on the screen.
2081         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
2082         m_previewScaleY = m_previewScaleX;
2083     }
2084 }
2085
2086 #endif
2087     // wxUSE_LIBGNOMEPRINT