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 *wxGnomePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 472 {
 473     return NULL;
 474 }
 475
 476 wxDC* wxGnomePrintFactory::CreatePrinterDC( const wxPrintData& data )
 477 {
 478     return new wxGnomePrintDC(data);
 479 }
 480
 481 bool wxGnomePrintFactory::HasOwnPrintToFile()
 482 {
 483     return true;
 484 }
 485
 486 bool wxGnomePrintFactory::HasPrinterLine()
 487 {
 488     return true;
 489 }
 490
 491 wxString wxGnomePrintFactory::CreatePrinterLine()
 492 {
 493     // redundant now
 494     return wxEmptyString;
 495 }
 496
 497 bool wxGnomePrintFactory::HasStatusLine()
 498 {
 499     // redundant now
 500     return true;
 501 }
 502
 503 wxString wxGnomePrintFactory::CreateStatusLine()
 504 {
 505     // redundant now
 506     return wxEmptyString;
 507 }
 508
 509 wxPrintNativeDataBase *wxGnomePrintFactory::CreatePrintNativeData()
 510 {
 511     return new wxGnomePrintNativeData;
 512 }
 513
 514 //----------------------------------------------------------------------------
 515 // wxGnomePrintSetupDialog
 516 //----------------------------------------------------------------------------
 517
 518 IMPLEMENT_CLASS(wxGnomePrintDialog, wxPrintDialogBase)
 519
 520 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintDialogData *data )
 521                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 522                                wxPoint(0, 0), wxSize(600, 600),
 523                                wxDEFAULT_DIALOG_STYLE |
 524                                wxTAB_TRAVERSAL)
 525 {
 526     if (data)
 527         m_printDialogData = *data;
 528
 529     Init();
 530 }
 531
 532 wxGnomePrintDialog::wxGnomePrintDialog( wxWindow *parent, wxPrintData *data )
 533                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 534                                wxPoint(0, 0), wxSize(600, 600),
 535                                wxDEFAULT_DIALOG_STYLE |
 536                                wxTAB_TRAVERSAL)
 537 {
 538     if (data)
 539         m_printDialogData = *data;
 540
 541     Init();
 542 }
 543
 544 void wxGnomePrintDialog::Init()
 545 {
 546     wxPrintData data = m_printDialogData.GetPrintData();
 547
 548     data.ConvertToNative();
 549
 550     wxGnomePrintNativeData *native =
 551       (wxGnomePrintNativeData*) data.GetNativeData();
 552
 553     m_widget = gs_libGnomePrint->gnome_print_dialog_new( native->GetPrintJob(),
 554                                        (guchar*)"Print",
 555                                        GNOME_PRINT_DIALOG_RANGE|GNOME_PRINT_DIALOG_COPIES );
 556
 557     int flag = 0;
 558     if (m_printDialogData.GetEnableSelection())
 559         flag |= GNOME_PRINT_RANGE_SELECTION;
 560     if (m_printDialogData.GetEnablePageNumbers())
 561         flag |= GNOME_PRINT_RANGE_ALL|GNOME_PRINT_RANGE_RANGE;
 562
 563     gs_libGnomePrint->gnome_print_dialog_construct_range_page( (GnomePrintDialog*) m_widget,
 564                                              flag,
 565                                              m_printDialogData.GetMinPage(),
 566                                              m_printDialogData.GetMaxPage(),
 567                                              NULL,
 568                                              NULL );
 569 }
 570
 571 wxGnomePrintDialog::~wxGnomePrintDialog()
 572 {
 573     m_widget = NULL;
 574 }
 575
 576 int wxGnomePrintDialog::ShowModal()
 577 {
 578     int response = gtk_dialog_run (GTK_DIALOG (m_widget));
 579
 580     if (response == GNOME_PRINT_DIALOG_RESPONSE_CANCEL)
 581     {
 582         gtk_widget_destroy(m_widget);
 583         m_widget = NULL;
 584
 585         return wxID_CANCEL;
 586     }
 587
 588     m_printDialogData.GetPrintData().ConvertFromNative();
 589
 590     gint copies = 1;
 591     gboolean collate = false;
 592     gs_libGnomePrint->gnome_print_dialog_get_copies( (GnomePrintDialog*) m_widget, &copies, &collate );
 593     m_printDialogData.SetNoCopies( copies );
 594     m_printDialogData.SetCollate( collate );
 595
 596     switch (gs_libGnomePrint->gnome_print_dialog_get_range( (GnomePrintDialog*) m_widget ))
 597     {
 598         case GNOME_PRINT_RANGE_SELECTION:
 599             m_printDialogData.SetSelection( true );
 600             break;
 601         case GNOME_PRINT_RANGE_ALL:
 602             m_printDialogData.SetAllPages( true );
 603             m_printDialogData.SetFromPage( 0 );
 604             m_printDialogData.SetToPage( 9999 );
 605             break;
 606         case GNOME_PRINT_RANGE_RANGE:
 607         default:
 608             gint start,end;
 609             gs_libGnomePrint->gnome_print_dialog_get_range_page( (GnomePrintDialog*) m_widget, &start, &end );
 610             m_printDialogData.SetFromPage( start );
 611             m_printDialogData.SetToPage( end );
 612             break;
 613     }
 614
 615     gtk_widget_destroy(m_widget);
 616     m_widget = NULL;
 617
 618     if (response == GNOME_PRINT_DIALOG_RESPONSE_PREVIEW)
 619         return wxID_PREVIEW;
 620
 621     return wxID_OK;
 622 }
 623
 624 wxDC *wxGnomePrintDialog::GetPrintDC()
 625 {
 626     // Later
 627     return NULL;
 628 }
 629
 630 bool wxGnomePrintDialog::Validate()
 631 {
 632     return true;
 633 }
 634
 635 bool wxGnomePrintDialog::TransferDataToWindow()
 636 {
 637     return true;
 638 }
 639
 640 bool wxGnomePrintDialog::TransferDataFromWindow()
 641 {
 642     return true;
 643 }
 644
 645 //----------------------------------------------------------------------------
 646 // wxGnomePageSetupDialog
 647 //----------------------------------------------------------------------------
 648
 649 IMPLEMENT_CLASS(wxGnomePageSetupDialog, wxPageSetupDialogBase)
 650
 651 wxGnomePageSetupDialog::wxGnomePageSetupDialog( wxWindow *parent,
 652                             wxPageSetupDialogData* data )
 653 {
 654     if (data)
 655         m_pageDialogData = *data;
 656
 657     m_pageDialogData.GetPrintData().ConvertToNative();
 658
 659     wxGnomePrintNativeData *native =
 660       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 661
 662     // This *was* required as the page setup dialog
 663     // calculates wrong values otherwise.
 664 #if 0
 665     gs_libGnomePrint->gnome_print_config_set( native->GetPrintConfig(),
 666                             (const guchar*) GNOME_PRINT_KEY_PREFERED_UNIT,
 667                             (const guchar*) "Pts" );
 668 #endif
 669
 670     GnomePrintConfig *config = native->GetPrintConfig();
 671
 672     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 673
 674     double ml = (double) m_pageDialogData.GetMarginTopLeft().x;
 675     double mt = (double) m_pageDialogData.GetMarginTopLeft().y;
 676     double mr = (double) m_pageDialogData.GetMarginBottomRight().x;
 677     double mb = (double) m_pageDialogData.GetMarginBottomRight().y;
 678
 679     gs_libGnomePrint->gnome_print_config_set_length (config,
 680             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, ml, mm_unit );
 681     gs_libGnomePrint->gnome_print_config_set_length (config,
 682             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, mr, mm_unit );
 683     gs_libGnomePrint->gnome_print_config_set_length (config,
 684             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, mt, mm_unit );
 685     gs_libGnomePrint->gnome_print_config_set_length (config,
 686             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, mb, mm_unit );
 687
 688     m_widget = gtk_dialog_new();
 689
 690     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( _("Page setup") ) );
 691
 692     GtkWidget *main = gs_libGnomePrint->gnome_paper_selector_new_with_flags( native->GetPrintConfig(),
 693         GNOME_PAPER_SELECTOR_MARGINS|GNOME_PAPER_SELECTOR_FEED_ORIENTATION );
 694     gtk_container_set_border_width (GTK_CONTAINER (main), 8);
 695     gtk_widget_show (main);
 696
 697     gtk_container_add( GTK_CONTAINER (GTK_DIALOG (m_widget)->vbox), main );
 698
 699     gtk_dialog_set_has_separator (GTK_DIALOG (m_widget), TRUE);
 700
 701     gtk_dialog_add_buttons (GTK_DIALOG (m_widget),
 702                             GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 703                             GTK_STOCK_OK, GTK_RESPONSE_OK,
 704                             NULL);
 705
 706     gtk_dialog_set_default_response (GTK_DIALOG (m_widget),
 707                             GTK_RESPONSE_OK);
 708 }
 709
 710 wxGnomePageSetupDialog::~wxGnomePageSetupDialog()
 711 {
 712 }
 713
 714 wxPageSetupDialogData& wxGnomePageSetupDialog::GetPageSetupDialogData()
 715 {
 716     return m_pageDialogData;
 717 }
 718
 719 int wxGnomePageSetupDialog::ShowModal()
 720 {
 721     wxGnomePrintNativeData *native =
 722       (wxGnomePrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 723
 724     GnomePrintConfig *config = native->GetPrintConfig();
 725
 726
 727     int ret = gtk_dialog_run( GTK_DIALOG(m_widget) );
 728
 729     if (ret == GTK_RESPONSE_OK)
 730     {
 731         // Transfer data back to m_pageDialogData
 732         m_pageDialogData.GetPrintData().ConvertFromNative();
 733
 734         // I don't know how querying the last parameter works
 735         double ml,mr,mt,mb,pw,ph;
 736         gs_libGnomePrint->gnome_print_config_get_length (config,
 737             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &ml, NULL);
 738         gs_libGnomePrint->gnome_print_config_get_length (config,
 739             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &mr, NULL);
 740         gs_libGnomePrint->gnome_print_config_get_length (config,
 741             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &mt, NULL);
 742         gs_libGnomePrint->gnome_print_config_get_length (config,
 743             (const guchar*) GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &mb, NULL);
 744         gs_libGnomePrint->gnome_print_config_get_length (config,
 745             (const guchar*) GNOME_PRINT_KEY_PAPER_WIDTH, &pw, NULL);
 746         gs_libGnomePrint->gnome_print_config_get_length (config,
 747             (const guchar*) GNOME_PRINT_KEY_PAPER_HEIGHT, &ph, NULL);
 748
 749         // This code converts correctly from what the user chose
 750         // as the unit although I query Pts here
 751         const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
 752         const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
 753         gs_libGnomePrint->gnome_print_convert_distance( &ml, pts_unit, mm_unit );
 754         gs_libGnomePrint->gnome_print_convert_distance( &mr, pts_unit, mm_unit );
 755         gs_libGnomePrint->gnome_print_convert_distance( &mt, pts_unit, mm_unit );
 756         gs_libGnomePrint->gnome_print_convert_distance( &mb, pts_unit, mm_unit );
 757         gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
 758         gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
 759
 760         m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 761         m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 762
 763         m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 764
 765         ret = wxID_OK;
 766     }
 767     else
 768     {
 769         ret = wxID_CANCEL;
 770     }
 771
 772     gtk_widget_destroy( m_widget );
 773     m_widget = NULL;
 774
 775     return ret;
 776 }
 777
 778 bool wxGnomePageSetupDialog::Validate()
 779 {
 780     return true;
 781 }
 782
 783 bool wxGnomePageSetupDialog::TransferDataToWindow()
 784 {
 785     return true;
 786 }
 787
 788 bool wxGnomePageSetupDialog::TransferDataFromWindow()
 789 {
 790     return true;
 791 }
 792
 793 //----------------------------------------------------------------------------
 794 // wxGnomePrinter
 795 //----------------------------------------------------------------------------
 796
 797 IMPLEMENT_CLASS(wxGnomePrinter, wxPrinterBase)
 798
 799 wxGnomePrinter::wxGnomePrinter( wxPrintDialogData *data ) :
 800     wxPrinterBase( data )
 801 {
 802     m_native_preview = false;
 803 }
 804
 805 wxGnomePrinter::~wxGnomePrinter()
 806 {
 807 }
 808
 809 bool wxGnomePrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 810 {
 811     if (!printout)
 812     {
 813         sm_lastError = wxPRINTER_ERROR;
 814         return false;
 815     }
 816
 817     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 818
 819     wxGnomePrintNativeData *native =
 820         (wxGnomePrintNativeData*) printdata.GetNativeData();
 821
 822     GnomePrintJob *job = gs_libGnomePrint->gnome_print_job_new( native->GetPrintConfig() );
 823
 824     // The GnomePrintJob is temporarily stored in the
 825     // native print data as the native print dialog
 826     // needs to access it.
 827     native->SetPrintJob( job );
 828
 829
 830     printout->SetIsPreview(false);
 831
 832     if (m_printDialogData.GetMinPage() < 1)
 833         m_printDialogData.SetMinPage(1);
 834     if (m_printDialogData.GetMaxPage() < 1)
 835         m_printDialogData.SetMaxPage(9999);
 836
 837     wxDC *dc;
 838     if (prompt)
 839         dc = PrintDialog( parent );
 840     else
 841         dc = new wxGnomePrintDC( printdata );
 842
 843     if (m_native_preview)
 844         printout->SetIsPreview(true);
 845
 846     if (!dc)
 847     {
 848         gs_libGnomePrint->gnome_print_job_close( job );
 849         g_object_unref (job);
 850         if (sm_lastError != wxPRINTER_CANCELLED)
 851             sm_lastError = wxPRINTER_ERROR;
 852         return false;
 853     }
 854
 855     wxSize ScreenPixels = wxGetDisplaySize();
 856     wxSize ScreenMM = wxGetDisplaySizeMM();
 857
 858     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 859                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 860     printout->SetPPIPrinter( wxGnomePrintDC::GetResolution(),
 861                              wxGnomePrintDC::GetResolution() );
 862
 863     printout->SetDC(dc);
 864
 865     int w, h;
 866     dc->GetSize(&w, &h);
 867     printout->SetPageSizePixels((int)w, (int)h);
 868     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 869     int mw, mh;
 870     dc->GetSizeMM(&mw, &mh);
 871     printout->SetPageSizeMM((int)mw, (int)mh);
 872     printout->OnPreparePrinting();
 873
 874     // Get some parameters from the printout, if defined
 875     int fromPage, toPage;
 876     int minPage, maxPage;
 877     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 878
 879     if (maxPage == 0)
 880     {
 881         gs_libGnomePrint->gnome_print_job_close( job );
 882         g_object_unref (job);
 883         sm_lastError = wxPRINTER_ERROR;
 884         return false;
 885     }
 886
 887     printout->OnBeginPrinting();
 888
 889     int minPageNum = minPage, maxPageNum = maxPage;
 890
 891     if ( !m_printDialogData.GetAllPages() )
 892     {
 893         minPageNum = m_printDialogData.GetFromPage();
 894         maxPageNum = m_printDialogData.GetToPage();
 895     }
 896
 897
 898     int copyCount;
 899     for ( copyCount = 1;
 900           copyCount <= m_printDialogData.GetNoCopies();
 901           copyCount++ )
 902     {
 903         if (!printout->OnBeginDocument(minPageNum, maxPageNum))
 904         {
 905             wxLogError(_("Could not start printing."));
 906             sm_lastError = wxPRINTER_ERROR;
 907             break;
 908         }
 909
 910         int pn;
 911         for ( pn = minPageNum;
 912               pn <= maxPageNum && printout->HasPage(pn);
 913               pn++ )
 914         {
 915             dc->StartPage();
 916             printout->OnPrintPage(pn);
 917             dc->EndPage();
 918         }
 919
 920         printout->OnEndDocument();
 921         printout->OnEndPrinting();
 922     }
 923
 924     gs_libGnomePrint->gnome_print_job_close( job );
 925     if (m_native_preview)
 926     {
 927         const wxCharBuffer title(wxGTK_CONV_SYS(_("Print preview")));
 928         GtkWidget *preview = gs_libGnomePrint->gnome_print_job_preview_new
 929                                      (
 930                                         job,
 931                                         (const guchar *)title.data()
 932                                      );
 933         gtk_widget_show(preview);
 934     }
 935     else
 936     {
 937         gs_libGnomePrint->gnome_print_job_print( job );
 938     }
 939
 940     g_object_unref (job);
 941     delete dc;
 942
 943     return (sm_lastError == wxPRINTER_NO_ERROR);
 944 }
 945
 946 wxDC* wxGnomePrinter::PrintDialog( wxWindow *parent )
 947 {
 948     wxGnomePrintDialog dialog( parent, &m_printDialogData );
 949     int ret = dialog.ShowModal();
 950     if (ret == wxID_CANCEL)
 951     {
 952         sm_lastError = wxPRINTER_CANCELLED;
 953         return NULL;
 954     }
 955
 956     m_native_preview = ret == wxID_PREVIEW;
 957
 958     m_printDialogData = dialog.GetPrintDialogData();
 959     return new wxGnomePrintDC( m_printDialogData.GetPrintData() );
 960 }
 961
 962 bool wxGnomePrinter::Setup( wxWindow *parent )
 963 {
 964     return false;
 965 }
 966
 967 //-----------------------------------------------------------------------------
 968 // wxGnomePrintDC
 969 //-----------------------------------------------------------------------------
 970
 971 // conversion
 972 static const double RAD2DEG  = 180.0 / M_PI;
 973
 974 // we don't want to use only 72 dpi from GNOME print
 975 static const int DPI = 600;
 976 static const double PS2DEV = 600.0 / 72.0;
 977 static const double DEV2PS = 72.0 / 600.0;
 978
 979 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * DEV2PS)
 980 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * DEV2PS)
 981 #define YLOG2DEV(x)     ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS)
 982 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * DEV2PS)
 983
 984 IMPLEMENT_CLASS(wxGnomePrintDC, wxDC)
 985
 986 wxGnomePrintDC::wxGnomePrintDC( const wxPrintData& data )
 987 {
 988     m_printData = data;
 989
 990     wxGnomePrintNativeData *native =
 991         (wxGnomePrintNativeData*) m_printData.GetNativeData();
 992
 993     m_job = native->GetPrintJob();
 994     m_gpc = gs_libGnomePrint->gnome_print_job_get_context (m_job);
 995
 996     m_layout = gs_libGnomePrint->gnome_print_pango_create_layout( m_gpc );
 997     m_fontdesc = pango_font_description_from_string( "Sans 12" );
 998     m_context = NULL;
 999
1000     m_currentRed = 0;
1001     m_currentBlue = 0;
1002     m_currentGreen = 0;
1003
1004     // Query page size. This seems to omit the margins
1005     double pw,ph;
1006     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1007
1008     m_pageHeight = ph * PS2DEV;
1009 }
1010
1011 wxGnomePrintDC::~wxGnomePrintDC()
1012 {
1013 }
1014
1015 bool wxGnomePrintDC::IsOk() const
1016 {
1017     return true;
1018 }
1019
1020 bool wxGnomePrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
1021 {
1022     return false;
1023 }
1024
1025 bool wxGnomePrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
1026 {
1027     return false;
1028 }
1029
1030 void wxGnomePrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1031 {
1032     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1033
1034     SetPen( m_pen );
1035
1036     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(x1), YLOG2DEV(y1) );
1037     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(x2), YLOG2DEV(y2) );
1038     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1039
1040     CalcBoundingBox( x1, y1 );
1041     CalcBoundingBox( x2, y2 );
1042 }
1043
1044 void wxGnomePrintDC::DoCrossHair(wxCoord x, wxCoord y)
1045 {
1046 }
1047
1048 void wxGnomePrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1049 {
1050     double dx = x1 - xc;
1051     double dy = y1 - yc;
1052     double radius = sqrt((double)(dx*dx+dy*dy));
1053     double alpha1, alpha2;
1054     if (x1 == x2 && y1 == y2)
1055     {
1056         alpha1 = 0.0;
1057         alpha2 = 360.0;
1058     }
1059     else if ( wxIsNullDouble(radius) )
1060     {
1061         alpha1 =
1062         alpha2 = 0.0;
1063     }
1064     else
1065     {
1066         alpha1 = (x1 - xc == 0) ?
1067             (y1 - yc < 0) ? 90.0 : -90.0 :
1068             -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1069         alpha2 = (x2 - xc == 0) ?
1070             (y2 - yc < 0) ? 90.0 : -90.0 :
1071             -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1072
1073         while (alpha1 <= 0)   alpha1 += 360;
1074         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between
1075         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree
1076         while (alpha2 > 360)  alpha2 -= 360;
1077     }
1078
1079     if (m_brush.GetStyle() != wxTRANSPARENT)
1080     {
1081         SetBrush( m_brush );
1082         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1083         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1084
1085         gs_libGnomePrint->gnome_print_fill( m_gpc );
1086     }
1087
1088     if (m_pen.GetStyle() != wxTRANSPARENT)
1089     {
1090         SetPen (m_pen);
1091         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1092         gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc) );
1093         gs_libGnomePrint->gnome_print_arcto( m_gpc, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2, 0 );
1094         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1095
1096         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1097     }
1098
1099     CalcBoundingBox (x1, y1);
1100     CalcBoundingBox (x2, y2);
1101     CalcBoundingBox (xc, yc);
1102 }
1103
1104 void wxGnomePrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1105 {
1106     x += w/2;
1107     y += h/2;
1108
1109     double xx = XLOG2DEV(x);
1110     double yy = YLOG2DEV(y);
1111
1112     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1113
1114     gs_libGnomePrint->gnome_print_translate( m_gpc, xx, yy );
1115     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1116     gs_libGnomePrint->gnome_print_scale( m_gpc, 1.0, scale );
1117
1118     xx = 0.0;
1119     yy = 0.0;
1120
1121     if (m_brush.GetStyle () != wxTRANSPARENT)
1122     {
1123         SetBrush( m_brush );
1124
1125         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1126         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1127             XLOG2DEVREL(w)/2, sa, ea, 0 );
1128         gs_libGnomePrint->gnome_print_moveto ( m_gpc, xx, yy );
1129
1130         gs_libGnomePrint->gnome_print_fill( m_gpc );
1131     }
1132
1133     if (m_pen.GetStyle () != wxTRANSPARENT)
1134     {
1135         SetPen (m_pen);
1136
1137         gs_libGnomePrint->gnome_print_arcto( m_gpc, xx, yy,
1138             XLOG2DEVREL(w)/2, sa, ea, 0 );
1139
1140         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1141     }
1142
1143     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1144
1145     CalcBoundingBox( x, y );
1146     CalcBoundingBox( x+w, y+h );
1147 }
1148
1149 void wxGnomePrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1150 {
1151 }
1152
1153 void wxGnomePrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1154 {
1155     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1156
1157     if (n <= 0) return;
1158
1159     SetPen (m_pen);
1160
1161     int i;
1162     for ( i =0; i<n ; i++ )
1163         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1164
1165     gs_libGnomePrint->gnome_print_moveto ( m_gpc, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1166
1167     for (i = 1; i < n; i++)
1168         gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1169
1170     gs_libGnomePrint->gnome_print_stroke ( m_gpc);
1171 }
1172
1173 void wxGnomePrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1174 {
1175     if (n==0) return;
1176
1177     if (m_brush.GetStyle () != wxTRANSPARENT)
1178     {
1179         SetBrush( m_brush );
1180
1181         int x = points[0].x + xoffset;
1182         int y = points[0].y + yoffset;
1183         CalcBoundingBox( x, y );
1184         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1185         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1186         int i;
1187         for (i = 1; i < n; i++)
1188         {
1189             x = points[i].x + xoffset;
1190             y = points[i].y + yoffset;
1191             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1192             CalcBoundingBox( x, y );
1193         }
1194         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1195         gs_libGnomePrint->gnome_print_fill( m_gpc );
1196     }
1197
1198     if (m_pen.GetStyle () != wxTRANSPARENT)
1199     {
1200         SetPen (m_pen);
1201
1202         int x = points[0].x + xoffset;
1203         int y = points[0].y + yoffset;
1204         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1205         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1206         int i;
1207         for (i = 1; i < n; i++)
1208         {
1209             x = points[i].x + xoffset;
1210             y = points[i].y + yoffset;
1211             gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1212             CalcBoundingBox( x, y );
1213         }
1214         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1215         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1216     }
1217 }
1218
1219 void wxGnomePrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1220 {
1221     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1222 }
1223
1224 void wxGnomePrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1225 {
1226     width--;
1227     height--;
1228
1229     if (m_brush.GetStyle () != wxTRANSPARENT)
1230     {
1231         SetBrush( m_brush );
1232
1233         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1234         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1235         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1236         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1237         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1238         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1239         gs_libGnomePrint->gnome_print_fill( m_gpc );
1240
1241         CalcBoundingBox( x, y );
1242         CalcBoundingBox( x + width, y + height );
1243     }
1244
1245     if (m_pen.GetStyle () != wxTRANSPARENT)
1246     {
1247         SetPen (m_pen);
1248
1249         gs_libGnomePrint->gnome_print_newpath( m_gpc );
1250         gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1251         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1252         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1253         gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1254         gs_libGnomePrint->gnome_print_closepath( m_gpc );
1255         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1256
1257         CalcBoundingBox( x, y );
1258         CalcBoundingBox( x + width, y + height );
1259     }
1260 }
1261
1262 void wxGnomePrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1263 {
1264     width--;
1265     height--;
1266
1267     wxCoord rad = wxRound( radius );
1268
1269     if (m_brush.GetStyle() != wxTRANSPARENT)
1270     {
1271         SetBrush(m_brush);
1272         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1273         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1274         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1275                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1276                                     XLOG2DEV(x),YLOG2DEV(y),
1277                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1278         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1279         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1280                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1281                                     XLOG2DEV(x),YLOG2DEV(y + height),
1282                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1283         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1284         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1285                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1286                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1287                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1288         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1289         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1290                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1291                                     XLOG2DEV(x + width),YLOG2DEV(y),
1292                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1293         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1294         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1295         gs_libGnomePrint->gnome_print_fill(m_gpc);
1296
1297         CalcBoundingBox(x,y);
1298         CalcBoundingBox(x+width,y+height);
1299     }
1300
1301     if (m_pen.GetStyle() != wxTRANSPARENT)
1302     {
1303         SetPen(m_pen);
1304         gs_libGnomePrint->gnome_print_newpath(m_gpc);
1305         gs_libGnomePrint->gnome_print_moveto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1306         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1307                                     XLOG2DEV(x + rad),YLOG2DEV(y),
1308                                     XLOG2DEV(x),YLOG2DEV(y),
1309                                     XLOG2DEV(x),YLOG2DEV(y + rad));
1310         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1311         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1312                                     XLOG2DEV(x),YLOG2DEV(y + height - rad),
1313                                     XLOG2DEV(x),YLOG2DEV(y + height),
1314                                     XLOG2DEV(x + rad),YLOG2DEV(y + height));
1315         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1316         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1317                                     XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1318                                     XLOG2DEV(x + width),YLOG2DEV(y + height),
1319                                     XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1320         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1321         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1322                                     XLOG2DEV(x + width),YLOG2DEV(y + rad),
1323                                     XLOG2DEV(x + width),YLOG2DEV(y),
1324                                     XLOG2DEV(x + width - rad),YLOG2DEV(y));
1325         gs_libGnomePrint->gnome_print_lineto(m_gpc,XLOG2DEV(x + rad),YLOG2DEV(y));
1326         gs_libGnomePrint->gnome_print_closepath(m_gpc);
1327         gs_libGnomePrint->gnome_print_stroke(m_gpc);
1328
1329         CalcBoundingBox(x,y);
1330         CalcBoundingBox(x+width,y+height);
1331     }
1332 }
1333
1334 void wxGnomePrintDC::makeEllipticalPath(wxCoord x, wxCoord y,
1335                                         wxCoord width, wxCoord height)
1336 {
1337     double r = 4 * (sqrt(2.) - 1) / 3;
1338     double  halfW = 0.5 * width,
1339             halfH = 0.5 * height,
1340             halfWR = r * halfW,
1341             halfHR = r * halfH;
1342     wxCoord halfWI = (wxCoord) halfW,
1343             halfHI = (wxCoord) halfH;
1344
1345     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1346
1347     // Approximate an ellipse using four cubic splines, clockwise from 0 deg */
1348     gs_libGnomePrint->gnome_print_moveto( m_gpc,
1349                 XLOG2DEV(x + width),
1350                 YLOG2DEV(y + halfHI) );
1351     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1352                 XLOG2DEV(x + width),
1353                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1354                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1355                 YLOG2DEV(y + height),
1356                 XLOG2DEV(x + halfWI),
1357                 YLOG2DEV(y + height) );
1358     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1359                 XLOG2DEV(x + (wxCoord) rint(halfW - halfWR)),
1360                 YLOG2DEV(y + height),
1361                 XLOG2DEV(x),
1362                 YLOG2DEV(y + (wxCoord) rint (halfH + halfHR)),
1363                 XLOG2DEV(x), YLOG2DEV(y+halfHI) );
1364     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1365                 XLOG2DEV(x),
1366                 YLOG2DEV(y + (wxCoord) rint (halfH - halfHR)),
1367                 XLOG2DEV(x + (wxCoord) rint (halfW - halfWR)),
1368                 YLOG2DEV(y),
1369                 XLOG2DEV(x+halfWI), YLOG2DEV(y) );
1370     gs_libGnomePrint->gnome_print_curveto( m_gpc,
1371                 XLOG2DEV(x + (wxCoord) rint(halfW + halfWR)),
1372                 YLOG2DEV(y),
1373                 XLOG2DEV(x + width),
1374                 YLOG2DEV(y + (wxCoord) rint(halfH - halfHR)),
1375                 XLOG2DEV(x + width), YLOG2DEV(y + halfHI) );
1376
1377     gs_libGnomePrint->gnome_print_closepath(m_gpc);
1378 }
1379
1380 void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1381 {
1382     width--;
1383     height--;
1384
1385     if (m_brush.GetStyle () != wxTRANSPARENT)
1386     {
1387         SetBrush( m_brush );
1388         makeEllipticalPath( x, y, width, height );
1389         gs_libGnomePrint->gnome_print_fill( m_gpc );
1390         CalcBoundingBox( x, y );
1391         CalcBoundingBox( x + width, y + height );
1392     }
1393
1394     if (m_pen.GetStyle () != wxTRANSPARENT)
1395     {
1396         SetPen (m_pen);
1397         makeEllipticalPath( x, y, width, height );
1398         gs_libGnomePrint->gnome_print_stroke( m_gpc );
1399         CalcBoundingBox( x, y );
1400         CalcBoundingBox( x + width, y + height );
1401     }
1402 }
1403
1404 #if wxUSE_SPLINES
1405 void wxGnomePrintDC::DoDrawSpline(const wxPointList *points)
1406 {
1407     SetPen (m_pen);
1408
1409     double c, d, x1, y1, x2, y2, x3, y3;
1410     wxPoint *p, *q;
1411
1412     wxPointList::compatibility_iterator node = points->GetFirst();
1413     p = node->GetData();
1414     x1 = p->x;
1415     y1 = p->y;
1416
1417     node = node->GetNext();
1418     p = node->GetData();
1419     c = p->x;
1420     d = p->y;
1421     x3 =
1422          (double)(x1 + c) / 2;
1423     y3 =
1424          (double)(y1 + d) / 2;
1425
1426     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1427     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1428     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1429
1430     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1431     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1432
1433     node = node->GetNext();
1434     while (node)
1435     {
1436         q = node->GetData();
1437
1438         x1 = x3;
1439         y1 = y3;
1440         x2 = c;
1441         y2 = d;
1442         c = q->x;
1443         d = q->y;
1444         x3 = (double)(x2 + c) / 2;
1445         y3 = (double)(y2 + d) / 2;
1446
1447         gs_libGnomePrint->gnome_print_curveto(m_gpc,
1448             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1449             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1450             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1451
1452         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1453         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1454
1455         node = node->GetNext();
1456     }
1457
1458     gs_libGnomePrint->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1459
1460     gs_libGnomePrint->gnome_print_stroke( m_gpc );
1461 }
1462 #endif // wxUSE_SPLINES
1463
1464 bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1465             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1466             wxCoord xsrcMask, wxCoord ysrcMask)
1467 {
1468     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1469
1470     // blit into a bitmap
1471     wxBitmap bitmap( width, height );
1472     wxMemoryDC memDC;
1473     memDC.SelectObject(bitmap);
1474     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */
1475     memDC.SelectObject(wxNullBitmap);
1476
1477     // draw bitmap. scaling and positioning is done there
1478     DrawBitmap( bitmap, xdest, ydest );
1479
1480     return true;
1481 }
1482
1483 void wxGnomePrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1484 {
1485     DoDrawBitmap( icon, x, y, true );
1486 }
1487
1488 void wxGnomePrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1489 {
1490     if (!bitmap.Ok()) return;
1491
1492     if (bitmap.HasPixbuf())
1493     {
1494         GdkPixbuf *pixbuf = bitmap.GetPixbuf();
1495         guchar *raw_image = gdk_pixbuf_get_pixels( pixbuf );
1496         bool has_alpha = gdk_pixbuf_get_has_alpha( pixbuf );
1497         int rowstride = gdk_pixbuf_get_rowstride( pixbuf );
1498         int height = gdk_pixbuf_get_height( pixbuf );
1499         int width = gdk_pixbuf_get_width( pixbuf );
1500
1501         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1502         double matrix[6];
1503         matrix[0] = XLOG2DEVREL(width);
1504         matrix[1] = 0;
1505         matrix[2] = 0;
1506         matrix[3] = YLOG2DEVREL(height);
1507         matrix[4] = XLOG2DEV(x);
1508         matrix[5] = YLOG2DEV(y+height);
1509         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1510         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1511         if (has_alpha)
1512             gs_libGnomePrint->gnome_print_rgbaimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1513         else
1514             gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar *)raw_image, width, height, rowstride );
1515         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1516     }
1517     else
1518     {
1519         wxImage image = bitmap.ConvertToImage();
1520
1521         if (!image.Ok()) return;
1522
1523         gs_libGnomePrint->gnome_print_gsave( m_gpc );
1524         double matrix[6];
1525         matrix[0] = XLOG2DEVREL(image.GetWidth());
1526         matrix[1] = 0;
1527         matrix[2] = 0;
1528         matrix[3] = YLOG2DEVREL(image.GetHeight());
1529         matrix[4] = XLOG2DEV(x);
1530         matrix[5] = YLOG2DEV(y+image.GetHeight());
1531         gs_libGnomePrint->gnome_print_concat( m_gpc, matrix );
1532         gs_libGnomePrint->gnome_print_moveto(  m_gpc, 0, 0 );
1533         gs_libGnomePrint->gnome_print_rgbimage( m_gpc, (guchar*) image.GetData(), image.GetWidth(), image.GetHeight(), image.GetWidth()*3 );
1534         gs_libGnomePrint->gnome_print_grestore( m_gpc );
1535     }
1536 }
1537
1538 void wxGnomePrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1539 {
1540     DoDrawRotatedText( text, x, y, 0.0 );
1541 }
1542
1543 void wxGnomePrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1544 {
1545     double xx = XLOG2DEV(x);
1546     double yy = YLOG2DEV(y);
1547
1548     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1549
1550     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1551 #if wxUSE_UNICODE_UTF8
1552     const char *data = text.utf8_str();
1553 #else
1554     const wxCharBuffer data = text.utf8_str();
1555 #endif
1556
1557     size_t datalen = strlen(data);
1558     pango_layout_set_text( m_layout, data, datalen);
1559
1560     if (underlined)
1561     {
1562         PangoAttrList *attrs = pango_attr_list_new();
1563         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1564         a->start_index = 0;
1565         a->end_index = datalen;
1566         pango_attr_list_insert(attrs, a);
1567         pango_layout_set_attributes(m_layout, attrs);
1568         pango_attr_list_unref(attrs);
1569     }
1570
1571     if (m_textForegroundColour.Ok())
1572     {
1573         unsigned char red = m_textForegroundColour.Red();
1574         unsigned char blue = m_textForegroundColour.Blue();
1575         unsigned char green = m_textForegroundColour.Green();
1576
1577         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1578         {
1579             double redPS = (double)(red) / 255.0;
1580             double bluePS = (double)(blue) / 255.0;
1581             double greenPS = (double)(green) / 255.0;
1582
1583             gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1584
1585             m_currentRed = red;
1586             m_currentBlue = blue;
1587             m_currentGreen = green;
1588         }
1589     }
1590
1591     int w,h;
1592     pango_layout_get_pixel_size( m_layout, &w, &h );
1593 #if 0
1594         if ( m_backgroundMode == wxSOLID )
1595         {
1596             gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1597             gdk_draw_rectangle(m_window, m_textGC, TRUE, xx, yy, w, h);
1598             gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1599         }
1600 #endif
1601
1602     // Draw layout.
1603     gs_libGnomePrint->gnome_print_moveto (m_gpc, xx, yy);
1604
1605     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1606
1607     gs_libGnomePrint->gnome_print_scale( m_gpc, m_scaleX * DEV2PS, m_scaleY * DEV2PS );
1608
1609     if (fabs(angle) > 0.00001)
1610         gs_libGnomePrint->gnome_print_rotate( m_gpc, angle );
1611
1612     gs_libGnomePrint->gnome_print_pango_layout( m_gpc, m_layout );
1613
1614     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1615
1616     if (underlined)
1617     {
1618         // undo underline attributes setting:
1619         pango_layout_set_attributes(m_layout, NULL);
1620     }
1621
1622     CalcBoundingBox (x + w, y + h);
1623 }
1624
1625 void wxGnomePrintDC::Clear()
1626 {
1627 }
1628
1629 void wxGnomePrintDC::SetFont( const wxFont& font )
1630 {
1631     m_font = font;
1632
1633     if (m_font.Ok())
1634     {
1635         if (m_fontdesc)
1636             pango_font_description_free( m_fontdesc );
1637
1638         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1639
1640         pango_layout_set_font_description( m_layout, m_fontdesc );
1641     }
1642 }
1643
1644 void wxGnomePrintDC::SetPen( const wxPen& pen )
1645 {
1646     if (!pen.Ok()) return;
1647
1648     m_pen = pen;
1649
1650     double width;
1651
1652     if (m_pen.GetWidth() <= 0)
1653         width = 0.1;
1654     else
1655         width = (double) m_pen.GetWidth();
1656
1657     gs_libGnomePrint->gnome_print_setlinewidth( m_gpc, width * DEV2PS * m_scaleX );
1658
1659     static const double dotted[] =  {2.0, 5.0};
1660     static const double short_dashed[] = {4.0, 4.0};
1661     static const double wxCoord_dashed[] = {4.0, 8.0};
1662     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1663
1664     switch (m_pen.GetStyle())
1665     {
1666         case wxDOT:           gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, dotted, 0 ); break;
1667         case wxSHORT_DASH:    gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, short_dashed, 0 ); break;
1668         case wxLONG_DASH:     gs_libGnomePrint->gnome_print_setdash( m_gpc, 2, wxCoord_dashed, 0 ); break;
1669         case wxDOT_DASH:      gs_libGnomePrint->gnome_print_setdash( m_gpc, 4, dotted_dashed, 0 );  break;
1670         case wxUSER_DASH:
1671         {
1672             // It may be noted that libgnomeprint between at least
1673             // versions 2.8.0 and 2.12.1 makes a copy of the dashes
1674             // and then leak the memory since it doesn't set the
1675             // internal flag "privatedash" to 0.
1676             wxDash *wx_dashes;
1677             int num = m_pen.GetDashes (&wx_dashes);
1678             gdouble *g_dashes = g_new( gdouble, num );
1679             int i;
1680             for (i = 0; i < num; ++i)
1681                 g_dashes[i] = (gdouble) wx_dashes[i];
1682             gs_libGnomePrint -> gnome_print_setdash( m_gpc, num, g_dashes, 0);
1683             g_free( g_dashes );
1684         }
1685         break;
1686         case wxSOLID:
1687         case wxTRANSPARENT:
1688         default:              gs_libGnomePrint->gnome_print_setdash( m_gpc, 0, NULL, 0 );   break;
1689     }
1690
1691
1692     unsigned char red = m_pen.GetColour().Red();
1693     unsigned char blue = m_pen.GetColour().Blue();
1694     unsigned char green = m_pen.GetColour().Green();
1695
1696     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1697     {
1698         double redPS = (double)(red) / 255.0;
1699         double bluePS = (double)(blue) / 255.0;
1700         double greenPS = (double)(green) / 255.0;
1701
1702         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1703
1704         m_currentRed = red;
1705         m_currentBlue = blue;
1706         m_currentGreen = green;
1707     }
1708 }
1709
1710 void wxGnomePrintDC::SetBrush( const wxBrush& brush )
1711 {
1712     if (!brush.Ok()) return;
1713
1714     m_brush = brush;
1715
1716     // Brush colour
1717     unsigned char red = m_brush.GetColour().Red();
1718     unsigned char blue = m_brush.GetColour().Blue();
1719     unsigned char green = m_brush.GetColour().Green();
1720
1721     if (!m_colour)
1722     {
1723         // Anything not white is black
1724         if (! (red == (unsigned char) 255 &&
1725                blue == (unsigned char) 255 &&
1726                green == (unsigned char) 255) )
1727         {
1728             red = (unsigned char) 0;
1729             green = (unsigned char) 0;
1730             blue = (unsigned char) 0;
1731         }
1732         // setgray here ?
1733     }
1734
1735     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue))
1736     {
1737         double redPS = (double)(red) / 255.0;
1738         double bluePS = (double)(blue) / 255.0;
1739         double greenPS = (double)(green) / 255.0;
1740
1741         gs_libGnomePrint->gnome_print_setrgbcolor( m_gpc, redPS, greenPS, bluePS );
1742
1743         m_currentRed = red;
1744         m_currentBlue = blue;
1745         m_currentGreen = green;
1746     }
1747 }
1748
1749 void wxGnomePrintDC::SetLogicalFunction( int function )
1750 {
1751 }
1752
1753 void wxGnomePrintDC::SetBackground( const wxBrush& brush )
1754 {
1755 }
1756
1757 void wxGnomePrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1758 {
1759     wxDC::DoSetClippingRegion( x, y, width, height );
1760
1761     gs_libGnomePrint->gnome_print_gsave( m_gpc );
1762
1763     gs_libGnomePrint->gnome_print_newpath( m_gpc );
1764     gs_libGnomePrint->gnome_print_moveto( m_gpc, XLOG2DEV(x), YLOG2DEV(y) );
1765     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y) );
1766     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x + width), YLOG2DEV(y + height) );
1767     gs_libGnomePrint->gnome_print_lineto( m_gpc, XLOG2DEV(x), YLOG2DEV(y + height) );
1768     gs_libGnomePrint->gnome_print_closepath( m_gpc );
1769     gs_libGnomePrint->gnome_print_clip( m_gpc );
1770 }
1771
1772 void wxGnomePrintDC::DestroyClippingRegion()
1773 {
1774     wxDC::DestroyClippingRegion();
1775
1776     gs_libGnomePrint->gnome_print_grestore( m_gpc );
1777
1778 #if 0
1779     // not needed, we set the values in each
1780     // drawing method anyways
1781     SetPen( m_pen );
1782     SetBrush( m_brush );
1783     SetFont( m_font );
1784 #endif
1785 }
1786
1787 bool wxGnomePrintDC::StartDoc(const wxString& message)
1788 {
1789     return true;
1790 }
1791
1792 void wxGnomePrintDC::EndDoc()
1793 {
1794     gs_libGnomePrint->gnome_print_end_doc( m_gpc );
1795 }
1796
1797 void wxGnomePrintDC::StartPage()
1798 {
1799     gs_libGnomePrint->gnome_print_beginpage( m_gpc, (const guchar*) "page" );
1800 }
1801
1802 void wxGnomePrintDC::EndPage()
1803 {
1804     gs_libGnomePrint->gnome_print_showpage( m_gpc );
1805 }
1806
1807 wxCoord wxGnomePrintDC::GetCharHeight() const
1808 {
1809     pango_layout_set_text( m_layout, "H", 1 );
1810
1811     int w,h;
1812     pango_layout_get_pixel_size( m_layout, &w, &h );
1813
1814     return h;
1815 }
1816
1817 wxCoord wxGnomePrintDC::GetCharWidth() const
1818 {
1819     pango_layout_set_text( m_layout, "H", 1 );
1820
1821     int w,h;
1822     pango_layout_get_pixel_size( m_layout, &w, &h );
1823
1824     return w;
1825 }
1826
1827 void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
1828                      wxCoord *descent,
1829                      wxCoord *externalLeading,
1830                      const wxFont *theFont ) const
1831 {
1832     if ( width )
1833         *width = 0;
1834     if ( height )
1835         *height = 0;
1836     if ( descent )
1837         *descent = 0;
1838     if ( externalLeading )
1839         *externalLeading = 0;
1840
1841     if (string.empty())
1842     {
1843         return;
1844     }
1845
1846     // Set layout's text
1847
1848     // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
1849 #if wxUSE_UNICODE_UTF8
1850     const char *dataUTF8 = string.utf8_str();
1851 #else
1852     const wxCharBuffer dataUTF8 = string.utf8_str();
1853 #endif
1854
1855     PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
1856
1857     gint oldSize = pango_font_description_get_size( desc );
1858     double size = oldSize;
1859     size = size * m_scaleY;
1860     pango_font_description_set_size( desc, (gint)size );
1861
1862     // apply scaled font
1863     pango_layout_set_font_description( m_layout, desc );
1864
1865     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1866
1867     int w, h;
1868     pango_layout_get_pixel_size( m_layout, &w, &h );
1869
1870
1871     if (width)
1872         *width = (wxCoord)(w / m_scaleX);
1873     if (height)
1874         *height = (wxCoord)(h / m_scaleY);
1875
1876     if (descent)
1877     {
1878         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1879         int baseline = pango_layout_iter_get_baseline(iter);
1880         pango_layout_iter_free(iter);
1881         *descent = h - PANGO_PIXELS(baseline);
1882     }
1883
1884     // reset unscaled size
1885     pango_font_description_set_size( desc, oldSize );
1886
1887     // reset unscaled font
1888     pango_layout_set_font_description( m_layout, m_fontdesc );
1889 }
1890
1891 void wxGnomePrintDC::DoGetSize(int* width, int* height) const
1892 {
1893     wxGnomePrintNativeData *native =
1894       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1895
1896     // Query page size. This seems to omit the margins
1897     double pw,ph;
1898     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1899
1900     if (width)
1901         *width = wxRound( pw * PS2DEV );
1902
1903     if (height)
1904         *height = wxRound( ph * PS2DEV );
1905 }
1906
1907 void wxGnomePrintDC::DoGetSizeMM(int *width, int *height) const
1908 {
1909     wxGnomePrintNativeData *native =
1910       (wxGnomePrintNativeData*) m_printData.GetNativeData();
1911
1912     // This code assumes values in Pts.
1913
1914     double pw,ph;
1915     gs_libGnomePrint->gnome_print_job_get_page_size( native->GetPrintJob(), &pw, &ph );
1916
1917     // Convert to mm.
1918
1919     const GnomePrintUnit *mm_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "mm" );
1920     const GnomePrintUnit *pts_unit = gs_libGnomePrint->gnome_print_unit_get_by_abbreviation( (const guchar*) "Pts" );
1921     gs_libGnomePrint->gnome_print_convert_distance( &pw, pts_unit, mm_unit );
1922     gs_libGnomePrint->gnome_print_convert_distance( &ph, pts_unit, mm_unit );
1923
1924     if (width)
1925         *width = (int) (pw + 0.5);
1926     if (height)
1927         *height = (int) (ph + 0.5);
1928 }
1929
1930 wxSize wxGnomePrintDC::GetPPI() const
1931 {
1932     return wxSize(DPI,DPI);
1933 }
1934
1935 void wxGnomePrintDC::SetPrintData(const wxPrintData& data)
1936 {
1937     m_printData = data;
1938
1939     int height;
1940     if (m_printData.GetOrientation() == wxPORTRAIT)
1941         GetSize( NULL, &height );
1942     else
1943         GetSize( &height, NULL );
1944     m_deviceLocalOriginY = height;
1945 }
1946
1947 void wxGnomePrintDC::SetResolution(int ppi)
1948 {
1949 }
1950
1951 int wxGnomePrintDC::GetResolution()
1952 {
1953     return DPI;
1954 }
1955
1956 // ----------------------------------------------------------------------------
1957 // wxGnomePrintModule
1958 // ----------------------------------------------------------------------------
1959
1960 bool wxGnomePrintModule::OnInit()
1961 {
1962     gs_libGnomePrint = new wxGnomePrintLibrary;
1963     if (gs_libGnomePrint->IsOk())
1964         wxPrintFactory::SetPrintFactory( new wxGnomePrintFactory );
1965     return true;
1966 }
1967
1968 void wxGnomePrintModule::OnExit()
1969 {
1970     delete gs_libGnomePrint;
1971     gs_libGnomePrint = NULL;
1972 }
1973
1974 IMPLEMENT_DYNAMIC_CLASS(wxGnomePrintModule, wxModule)
1975
1976 // ----------------------------------------------------------------------------
1977 // Print preview
1978 // ----------------------------------------------------------------------------
1979
1980 IMPLEMENT_CLASS(wxGnomePrintPreview, wxPrintPreviewBase)
1981
1982 void wxGnomePrintPreview::Init(wxPrintout * WXUNUSED(printout),
1983                                     wxPrintout * WXUNUSED(printoutForPrinting))
1984 {
1985     DetermineScaling();
1986 }
1987
1988 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1989                                                    wxPrintout *printoutForPrinting,
1990                                                    wxPrintDialogData *data)
1991                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
1992 {
1993     Init(printout, printoutForPrinting);
1994 }
1995
1996 wxGnomePrintPreview::wxGnomePrintPreview(wxPrintout *printout,
1997                                                    wxPrintout *printoutForPrinting,
1998                                                    wxPrintData *data)
1999                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2000 {
2001     Init(printout, printoutForPrinting);
2002 }
2003
2004 wxGnomePrintPreview::~wxGnomePrintPreview()
2005 {
2006 }
2007
2008 bool wxGnomePrintPreview::Print(bool interactive)
2009 {
2010     if (!m_printPrintout)
2011         return false;
2012
2013     wxPrinter printer(& m_printDialogData);
2014     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2015 }
2016
2017 void wxGnomePrintPreview::DetermineScaling()
2018 {
2019     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2020     if (paperType == wxPAPER_NONE)
2021         paperType = wxPAPER_NONE;
2022
2023     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2024     if (!paper)
2025         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2026
2027     if (paper)
2028     {
2029         wxSize ScreenPixels = wxGetDisplaySize();
2030         wxSize ScreenMM = wxGetDisplaySizeMM();
2031
2032         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2033                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2034         m_previewPrintout->SetPPIPrinter(wxGnomePrintDC::GetResolution(), wxGnomePrintDC::GetResolution());
2035
2036         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2037
2038         // TODO: get better resolution information from wxGnomePrintDC, if possible.
2039
2040         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxGnomePrintDC::GetResolution() / 72.0);
2041         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxGnomePrintDC::GetResolution() / 72.0);
2042         wxSize sizeTenthsMM(paper->GetSize());
2043         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2044
2045         // If in landscape mode, we need to swap the width and height.
2046         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2047         {
2048             m_pageWidth = sizeDevUnits.y;
2049             m_pageHeight = sizeDevUnits.x;
2050             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2051         }
2052         else
2053         {
2054             m_pageWidth = sizeDevUnits.x;
2055             m_pageHeight = sizeDevUnits.y;
2056             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2057         }
2058         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2059         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2060
2061         // At 100%, the page should look about page-size on the screen.
2062         m_previewScaleX = (float)0.8 * 72.0 / (float)wxGnomePrintDC::GetResolution();
2063         m_previewScaleY = m_previewScaleX;
2064     }
2065 }
2066
2067 #endif
2068     // wxUSE_LIBGNOMEPRINT