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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk/print.cpp
3 // Author: Anthony Bretaudeau
4 // Purpose: GTK printing support
5 // Created: 2007-08-25
6 // RCS-ID: $Id$
7 // Copyright: (c) 2007 wxWidgets development team
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_GTKPRINT
19
20 #include "wx/gtk/print.h"
21
22 #ifndef WX_PRECOMP
23 #include "wx/log.h"
24 #include "wx/dcmemory.h"
25 #include "wx/dcprint.h"
26 #include "wx/icon.h"
27 #include "wx/math.h"
28 #include "wx/image.h"
29 #include "wx/module.h"
30 #include "wx/crt.h"
31 #endif
32
33 #include "wx/fontutil.h"
34 #include "wx/gtk/private.h"
35 #include "wx/dynlib.h"
36 #include "wx/paper.h"
37
38 #include <gtk/gtk.h>
39
40 #if wxUSE_GRAPHICS_CONTEXT
41 #include "wx/graphics.h"
42 #endif
43
44 #include "wx/link.h"
45 wxFORCE_LINK_THIS_MODULE(gtk_print)
46
47 #if wxUSE_LIBGNOMEPRINT
48 #include "wx/gtk/gnome/gprint.h"
49 #endif
50
51 // Usefull to convert angles from/to Rad to/from Deg.
52 static const double RAD2DEG = 180.0 / M_PI;
53 static const double DEG2RAD = M_PI / 180.0;
54
55 //----------------------------------------------------------------------------
56 // wxGtkPrintModule
57 // Initialized when starting the app : if it successfully load the gtk-print framework,
58 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
59 // to postscript if gnomeprint is not available.
60 //----------------------------------------------------------------------------
61
62 class wxGtkPrintModule: public wxModule
63 {
64 public:
65 wxGtkPrintModule()
66 {
67 #if wxUSE_LIBGNOMEPRINT
68 // This module must be initialized AFTER gnomeprint's one
69 AddDependency(CLASSINFO(wxGnomePrintModule));
70 #endif
71 }
72 bool OnInit();
73 void OnExit() {}
74
75 private:
76 DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
77 };
78
79 bool wxGtkPrintModule::OnInit()
80 {
81 if (gtk_check_version(2,10,0) == NULL)
82 wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
83 return true;
84 }
85
86 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
87
88 //----------------------------------------------------------------------------
89 // wxGtkPrintFactory
90 //----------------------------------------------------------------------------
91
92 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
93 {
94 return new wxGtkPrinter( data );
95 }
96
97 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
98 wxPrintout *printout,
99 wxPrintDialogData *data )
100 {
101 return new wxGtkPrintPreview( preview, printout, data );
102 }
103
104 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
105 wxPrintout *printout,
106 wxPrintData *data )
107 {
108 return new wxGtkPrintPreview( preview, printout, data );
109 }
110
111 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
112 wxPrintDialogData *data )
113 {
114 return new wxGtkPrintDialog( parent, data );
115 }
116
117 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
118 wxPrintData *data )
119 {
120 return new wxGtkPrintDialog( parent, data );
121 }
122
123 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
124 wxPageSetupDialogData * data )
125 {
126 return new wxGtkPageSetupDialog( parent, data );
127 }
128
129 bool wxGtkPrintFactory::HasPrintSetupDialog()
130 {
131 return false;
132 }
133
134 wxDialog *
135 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
136 wxPrintData * WXUNUSED(data))
137 {
138 return NULL;
139 }
140
141 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
142 {
143 return new wxGtkPrinterDCImpl( owner, data );
144 }
145
146 bool wxGtkPrintFactory::HasOwnPrintToFile()
147 {
148 return true;
149 }
150
151 bool wxGtkPrintFactory::HasPrinterLine()
152 {
153 return true;
154 }
155
156 wxString wxGtkPrintFactory::CreatePrinterLine()
157 {
158 // redundant now
159 return wxEmptyString;
160 }
161
162 bool wxGtkPrintFactory::HasStatusLine()
163 {
164 // redundant now
165 return true;
166 }
167
168 wxString wxGtkPrintFactory::CreateStatusLine()
169 {
170 // redundant now
171 return wxEmptyString;
172 }
173
174 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
175 {
176 return new wxGtkPrintNativeData;
177 }
178
179 //----------------------------------------------------------------------------
180 // Callback functions for Gtk Printings.
181 //----------------------------------------------------------------------------
182
183 // We use it to pass useful objects to GTK printing callback functions.
184 struct wxPrinterToGtkData
185 {
186 wxGtkPrinter * printer;
187 wxPrintout * printout;
188 };
189
190 extern "C"
191 {
192 static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
193 {
194 wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
195
196 data->printer->BeginPrint(data->printout, operation, context);
197 }
198
199 static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
200 {
201 wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
202
203 data->printer->DrawPage(data->printout, operation, context, page_nr);
204 }
205
206 static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
207 GtkPrintContext * WXUNUSED(context),
208 gpointer user_data)
209 {
210 wxPrintout *printout = (wxPrintout *) user_data;
211
212 printout->OnEndPrinting();
213 }
214 }
215
216 //----------------------------------------------------------------------------
217 // wxGtkPrintNativeData
218 //----------------------------------------------------------------------------
219
220 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
221
222 wxGtkPrintNativeData::wxGtkPrintNativeData()
223 {
224 m_config = gtk_print_settings_new();
225 }
226
227 wxGtkPrintNativeData::~wxGtkPrintNativeData()
228 {
229 g_object_unref (m_config);
230 }
231
232 // Convert datas stored in m_config to a wxPrintData.
233 // Called by wxPrintData::ConvertFromNative().
234 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
235 {
236 if(!m_config)
237 return false;
238
239 int resolution = gtk_print_settings_get_resolution(m_config);
240 if ( resolution > 0 )
241 {
242 // if resolution is explicitly set, use it
243 data.SetQuality(resolution);
244 }
245 else // use more vague "quality"
246 {
247 GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
248 if (quality == GTK_PRINT_QUALITY_HIGH)
249 data.SetQuality(wxPRINT_QUALITY_HIGH);
250 else if (quality == GTK_PRINT_QUALITY_LOW)
251 data.SetQuality(wxPRINT_QUALITY_LOW);
252 else if (quality == GTK_PRINT_QUALITY_DRAFT)
253 data.SetQuality(wxPRINT_QUALITY_DRAFT);
254 else
255 data.SetQuality(wxPRINT_QUALITY_MEDIUM);
256 }
257
258 data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
259
260 data.SetColour(gtk_print_settings_get_use_color(m_config));
261
262 switch (gtk_print_settings_get_duplex(m_config))
263 {
264 case GTK_PRINT_DUPLEX_SIMPLEX: data.SetDuplex (wxDUPLEX_SIMPLEX);
265 break;
266
267 case GTK_PRINT_DUPLEX_HORIZONTAL: data.SetDuplex (wxDUPLEX_HORIZONTAL);
268 break;
269
270 default:
271 case GTK_PRINT_DUPLEX_VERTICAL: data.SetDuplex (wxDUPLEX_VERTICAL);
272 break;
273 }
274
275 GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
276 if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
277 {
278 data.SetOrientation(wxPORTRAIT);
279 data.SetOrientationReversed(false);
280 }
281 else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
282 {
283 data.SetOrientation(wxLANDSCAPE);
284 data.SetOrientationReversed(false);
285 }
286 else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
287 {
288 data.SetOrientation(wxPORTRAIT);
289 data.SetOrientationReversed(true);
290 }
291 else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
292 {
293 data.SetOrientation(wxLANDSCAPE);
294 data.SetOrientationReversed(true);
295 }
296
297 data.SetCollate(gtk_print_settings_get_collate (m_config));
298
299 // Paper formats : these are the most common paper formats.
300 GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
301 if (!paper_size)
302 data.SetPaperId(wxPAPER_NONE);
303 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
304 data.SetPaperId(wxPAPER_A3);
305 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
306 data.SetPaperId(wxPAPER_A4);
307 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
308 data.SetPaperId(wxPAPER_A5);
309 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
310 data.SetPaperId(wxPAPER_B5);
311 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
312 data.SetPaperId(wxPAPER_LETTER);
313 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
314 data.SetPaperId(wxPAPER_LEGAL);
315 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
316 data.SetPaperId(wxPAPER_EXECUTIVE);
317 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
318 data.SetPaperId(wxPAPER_ENV_10);
319 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
320 data.SetPaperId(wxPAPER_ENV_C5);
321 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
322 data.SetPaperId(wxPAPER_ENV_C6);
323 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
324 data.SetPaperId(wxPAPER_B5_TRANSVERSE);
325 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
326 data.SetPaperId(wxPAPER_ENV_B5);
327 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
328 data.SetPaperId(wxPAPER_ENV_MONARCH);
329 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
330 data.SetPaperId( wxPAPER_CSHEET);
331 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
332 data.SetPaperId( wxPAPER_DSHEET);
333 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
334 data.SetPaperId( wxPAPER_ESHEET);
335 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
336 data.SetPaperId( wxPAPER_LETTERSMALL);
337 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
338 data.SetPaperId( wxPAPER_TABLOID);
339 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
340 data.SetPaperId( wxPAPER_LEDGER);
341 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
342 data.SetPaperId( wxPAPER_STATEMENT);
343 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
344 data.SetPaperId( wxPAPER_A4SMALL);
345 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
346 data.SetPaperId( wxPAPER_B4);
347 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
348 data.SetPaperId( wxPAPER_FOLIO);
349 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
350 data.SetPaperId( wxPAPER_QUARTO);
351 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
352 data.SetPaperId( wxPAPER_10X14);
353 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
354 data.SetPaperId( wxPAPER_11X17);
355 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
356 data.SetPaperId( wxPAPER_NOTE);
357 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
358 data.SetPaperId( wxPAPER_ENV_9);
359 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
360 data.SetPaperId( wxPAPER_ENV_11);
361 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
362 data.SetPaperId( wxPAPER_ENV_12);
363 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
364 data.SetPaperId( wxPAPER_ENV_14);
365 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
366 data.SetPaperId( wxPAPER_ENV_DL);
367 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
368 data.SetPaperId( wxPAPER_ENV_C3);
369 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
370 data.SetPaperId( wxPAPER_ENV_C4);
371 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
372 data.SetPaperId( wxPAPER_ENV_C65);
373 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
374 data.SetPaperId( wxPAPER_ENV_B4);
375 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
376 data.SetPaperId( wxPAPER_ENV_B6);
377 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
378 data.SetPaperId( wxPAPER_ENV_ITALY);
379 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
380 data.SetPaperId( wxPAPER_ENV_PERSONAL);
381 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
382 data.SetPaperId( wxPAPER_FANFOLD_US);
383 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
384 data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
385 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
386 data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
387 else
388 data.SetPaperId(wxPAPER_NONE);
389 return true;
390 }
391
392 // Put datas given by the wxPrintData into m_config.
393 // Called by wxPrintData::ConvertToNative().
394 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
395 {
396 if(!m_config)
397 return false;
398
399 wxPrintQuality quality = data.GetQuality();
400 if (quality == wxPRINT_QUALITY_HIGH)
401 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
402 else if (quality == wxPRINT_QUALITY_MEDIUM)
403 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
404 else if (quality == wxPRINT_QUALITY_LOW)
405 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
406 else if (quality == wxPRINT_QUALITY_DRAFT)
407 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
408 else if (quality > 1)
409 gtk_print_settings_set_resolution (m_config, quality);
410 else
411 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
412
413 gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
414
415 gtk_print_settings_set_use_color(m_config, data.GetColour());
416
417 switch (data.GetDuplex())
418 {
419 case wxDUPLEX_SIMPLEX: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
420 break;
421
422 case wxDUPLEX_HORIZONTAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
423 break;
424
425 default:
426 case wxDUPLEX_VERTICAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
427 break;
428 }
429
430 if (!data.IsOrientationReversed())
431 {
432 if (data.GetOrientation() == wxLANDSCAPE)
433 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
434 else
435 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
436 }
437 else {
438 if (data.GetOrientation() == wxLANDSCAPE)
439 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
440 else
441 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
442 }
443
444 gtk_print_settings_set_collate (m_config, data.GetCollate());
445
446 // Paper formats: these are the most common paper formats.
447 switch (data.GetPaperId())
448 {
449 case wxPAPER_A3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
450 break;
451 case wxPAPER_A4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
452 break;
453 case wxPAPER_A5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
454 break;
455 case wxPAPER_B5_TRANSVERSE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
456 break;
457 case wxPAPER_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
458 break;
459 case wxPAPER_LETTER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
460 break;
461 case wxPAPER_LEGAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
462 break;
463 case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
464 break;
465 case wxPAPER_ENV_10: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
466 break;
467 case wxPAPER_ENV_C5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
468 break;
469 case wxPAPER_ENV_C6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
470 break;
471 case wxPAPER_ENV_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
472 break;
473 case wxPAPER_ENV_MONARCH: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
474 break;
475 case wxPAPER_CSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
476 break;
477 case wxPAPER_DSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
478 break;
479 case wxPAPER_ESHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
480 break;
481 case wxPAPER_LETTERSMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
482 break;
483 case wxPAPER_TABLOID: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
484 break;
485 case wxPAPER_LEDGER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
486 break;
487 case wxPAPER_STATEMENT: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
488 break;
489 case wxPAPER_A4SMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
490 break;
491 case wxPAPER_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
492 break;
493 case wxPAPER_FOLIO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
494 break;
495 case wxPAPER_QUARTO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
496 break;
497 case wxPAPER_10X14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
498 break;
499 case wxPAPER_11X17: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
500 break;
501 case wxPAPER_NOTE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
502 break;
503 case wxPAPER_ENV_9: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
504 break;
505 case wxPAPER_ENV_11: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
506 break;
507 case wxPAPER_ENV_12: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
508 break;
509 case wxPAPER_ENV_14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
510 break;
511 case wxPAPER_ENV_DL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
512 break;
513 case wxPAPER_ENV_C3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
514 break;
515 case wxPAPER_ENV_C4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
516 break;
517 case wxPAPER_ENV_C65: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
518 break;
519 case wxPAPER_ENV_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
520 break;
521 case wxPAPER_ENV_B6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
522 break;
523 case wxPAPER_ENV_ITALY: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
524 break;
525 case wxPAPER_ENV_PERSONAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
526 break;
527 case wxPAPER_FANFOLD_US: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
528 break;
529 case wxPAPER_FANFOLD_STD_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
530 break;
531 case wxPAPER_FANFOLD_LGL_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
532 break;
533 case wxPAPER_NONE:
534 default: break;
535 }
536
537 return true;
538 }
539
540 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
541 {
542 if (config)
543 m_config = gtk_print_settings_copy(config);
544 }
545
546 // Extract page setup from settings.
547 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
548 {
549 GtkPageSetup* page_setup = gtk_page_setup_new();
550 gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
551
552 GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
553 if (paper_size != NULL)
554 gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
555
556 return page_setup;
557 }
558
559 // Insert page setup into a given GtkPrintSettings.
560 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
561 {
562 gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
563 gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
564 }
565
566 //----------------------------------------------------------------------------
567 // wxGtkPrintDialog
568 //----------------------------------------------------------------------------
569
570 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
571
572 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
573 : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
574 wxPoint(0, 0), wxSize(600, 600),
575 wxDEFAULT_DIALOG_STYLE |
576 wxTAB_TRAVERSAL)
577 {
578 if (data)
579 m_printDialogData = *data;
580
581 m_parent = parent;
582 SetShowDialog(true);
583 }
584
585 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
586 : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
587 wxPoint(0, 0), wxSize(600, 600),
588 wxDEFAULT_DIALOG_STYLE |
589 wxTAB_TRAVERSAL)
590 {
591 if (data)
592 m_printDialogData = *data;
593
594 m_parent = parent;
595 SetShowDialog(true);
596 }
597
598
599 wxGtkPrintDialog::~wxGtkPrintDialog()
600 {
601 }
602
603 // This is called even if we actually don't want the dialog to appear.
604 int wxGtkPrintDialog::ShowModal()
605 {
606 GtkPrintOperationResult response;
607
608 // We need to restore the settings given in the constructor.
609 wxPrintData data = m_printDialogData.GetPrintData();
610 wxGtkPrintNativeData *native =
611 (wxGtkPrintNativeData*) data.GetNativeData();
612 data.ConvertToNative();
613
614 GtkPrintSettings * settings = native->GetPrintConfig();
615
616 // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
617 int fromPage = m_printDialogData.GetFromPage();
618 int toPage = m_printDialogData.GetToPage();
619 if (m_printDialogData.GetSelection())
620 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
621 else if (m_printDialogData.GetAllPages())
622 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
623 else {
624 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
625 GtkPageRange *range;
626 range = g_new (GtkPageRange, 1);
627 range[0].start = fromPage-1;
628 range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
629 gtk_print_settings_set_page_ranges (settings, range, 1);
630 }
631
632 // If the settings are OK, we restore it.
633 if (settings != NULL)
634 gtk_print_operation_set_print_settings (native->GetPrintJob(), settings);
635 gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings));
636
637 // Show the dialog if needed.
638 GError* gError = NULL;
639 if (GetShowDialog())
640 response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
641 else
642 response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
643
644 // Does everything went well?
645 if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
646 {
647 return wxID_CANCEL;
648 }
649 else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
650 {
651 g_error_free (gError);
652 wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
653 return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
654 }
655
656 // Now get the settings and save it.
657 GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
658 native->SetPrintConfig(newSettings);
659 data.ConvertFromNative();
660
661 // Same problem as a few lines before.
662 switch (gtk_print_settings_get_print_pages(newSettings))
663 {
664 case GTK_PRINT_PAGES_CURRENT:
665 m_printDialogData.SetSelection( true );
666 break;
667 case GTK_PRINT_PAGES_RANGES:
668 {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
669 // For example, the user enters "1-3;5-7" in the dialog: pages 1-3 and 5-7 will be correctly printed when the user
670 // will hit "OK" button. However we can only save 1-3 in the print data.
671 gint num_ranges = 0;
672 GtkPageRange* range;
673 range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
674 if (num_ranges >= 1)
675 {
676 m_printDialogData.SetFromPage( range[0].start );
677 m_printDialogData.SetToPage( range[0].end );
678 }
679 else {
680 m_printDialogData.SetAllPages( true );
681 m_printDialogData.SetFromPage( 0 );
682 m_printDialogData.SetToPage( 9999 );
683 }
684 break;}
685 case GTK_PRINT_PAGES_ALL:
686 default:
687 m_printDialogData.SetAllPages( true );
688 m_printDialogData.SetFromPage( 0 );
689 m_printDialogData.SetToPage( 9999 );
690 break;
691 }
692
693 return wxID_OK;
694 }
695
696 //----------------------------------------------------------------------------
697 // wxGtkPageSetupDialog
698 //----------------------------------------------------------------------------
699
700 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
701
702 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
703 wxPageSetupDialogData* data )
704 {
705 if (data)
706 m_pageDialogData = *data;
707
708 m_parent = parent;
709 }
710
711 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
712 {
713 }
714
715 int wxGtkPageSetupDialog::ShowModal()
716 {
717 // Get the config.
718 m_pageDialogData.GetPrintData().ConvertToNative();
719 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
720 GtkPrintSettings* nativeData = native->GetPrintConfig();
721
722 // We only need the pagesetup data which are part of the settings.
723 GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
724
725 // If the user used a custom paper format the last time he printed, we have to restore it too.
726 if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
727 {
728 wxSize customPaperSize = m_pageDialogData.GetPaperSize();
729 if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
730 {
731 wxString title = _("Custom size");
732 GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
733 gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
734 g_object_unref(customSize);
735 }
736 }
737
738 // Now show the dialog.
739 GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
740 oldPageSetup,
741 nativeData);
742
743 int ret;
744 if (newPageSetup != oldPageSetup)
745 {
746 native->SetPageSetupToSettings(nativeData, newPageSetup);
747 m_pageDialogData.GetPrintData().ConvertFromNative();
748
749 // Store custom paper format if any.
750 if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
751 {
752 gdouble ml,mr,mt,mb,pw,ph;
753 ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
754 mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
755 mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
756 mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
757
758 pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
759 ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
760
761 m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
762 m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
763
764 m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
765 }
766
767 ret = wxID_OK;
768 }
769 else
770 {
771 ret = wxID_CANCEL;
772 }
773
774 return ret;
775 }
776
777 //----------------------------------------------------------------------------
778 // wxGtkPrinter
779 //----------------------------------------------------------------------------
780
781 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
782
783 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
784 wxPrinterBase( data )
785 {
786 m_gpc = NULL;
787
788 if (data)
789 m_printDialogData = *data;
790 }
791
792 wxGtkPrinter::~wxGtkPrinter()
793 {
794 }
795
796 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
797 {
798 if (!printout)
799 {
800 sm_lastError = wxPRINTER_ERROR;
801 return false;
802 }
803
804 // Let's correct the PageInfo just in case the app gives wrong values.
805 int fromPage, toPage;
806 int minPage, maxPage;
807 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
808 m_printDialogData.SetAllPages(true);
809
810 if (minPage < 1) minPage = 1;
811 if (maxPage < 1) maxPage = 9999;
812 if (maxPage < minPage) maxPage = minPage;
813
814 m_printDialogData.SetMinPage(minPage);
815 m_printDialogData.SetMaxPage(maxPage);
816 if (fromPage != 0)
817 {
818 if (fromPage < minPage) fromPage = minPage;
819 else if (fromPage > maxPage) fromPage = maxPage;
820 m_printDialogData.SetFromPage(fromPage);
821 }
822 if (toPage != 0)
823 {
824 m_printDialogData.SetToPage(toPage);
825 if (toPage > maxPage) toPage = maxPage;
826 else if (toPage < minPage) toPage = minPage;
827 }
828
829 if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
830
831
832 wxPrintData printdata = GetPrintDialogData().GetPrintData();
833 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
834
835 GtkPrintOperation *printOp = gtk_print_operation_new ();
836
837 native->SetPrintJob( printOp );
838
839 wxPrinterToGtkData dataToSend;
840 dataToSend.printer = this;
841 dataToSend.printout = printout;
842
843 // These Gtk signals are caught here.
844 g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
845 g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
846 g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
847
848 // This is used to setup the DC and
849 // show the dialog if desired
850 wxGtkPrintDialog dialog( parent, &m_printDialogData );
851 dialog.SetPrintDC(m_dc);
852 dialog.SetShowDialog(prompt);
853
854 // doesn't necessarily show
855 int ret = dialog.ShowModal();
856 if (ret == wxID_CANCEL)
857 {
858 sm_lastError = wxPRINTER_CANCELLED;
859 }
860 if (ret == wxID_NO)
861 {
862 sm_lastError = wxPRINTER_ERROR;
863 wxFAIL_MSG(_("The print dialog returned an error."));
864 }
865
866 g_object_unref (printOp);
867
868 return (sm_lastError == wxPRINTER_NO_ERROR);
869 }
870
871 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
872 {
873 wxPrintData printdata = GetPrintDialogData().GetPrintData();
874 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
875
876 // We need to update printdata with the new data from the dialog and we
877 // have to do this here because this method needs this new data and we
878 // cannot update it earlier
879 native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
880 printdata.ConvertFromNative();
881
882 SetPrintContext(context);
883 native->SetPrintContext( context );
884
885 wxPrinterDC *printDC = new wxPrinterDC( printdata );
886 m_dc = printDC;
887
888 if (!m_dc->IsOk())
889 {
890 if (sm_lastError != wxPRINTER_CANCELLED)
891 {
892 sm_lastError = wxPRINTER_ERROR;
893 wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
894 }
895 return;
896 }
897
898 printout->SetPPIScreen(wxGetDisplayPPI());
899 printout->SetPPIPrinter( printDC->GetResolution(),
900 printDC->GetResolution() );
901
902 printout->SetDC(m_dc);
903
904 int w, h;
905 m_dc->GetSize(&w, &h);
906 printout->SetPageSizePixels((int)w, (int)h);
907 printout->SetPaperRectPixels(wxRect(0, 0, w, h));
908 int mw, mh;
909 m_dc->GetSizeMM(&mw, &mh);
910 printout->SetPageSizeMM((int)mw, (int)mh);
911 printout->OnPreparePrinting();
912
913 // Get some parameters from the printout, if defined.
914 int fromPage, toPage;
915 int minPage, maxPage;
916 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
917
918 if (maxPage == 0)
919 {
920 sm_lastError = wxPRINTER_ERROR;
921 wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
922 return;
923 }
924
925 printout->OnBeginPrinting();
926
927 int numPages = 0;
928
929 // If we're not previewing we need to calculate the number of pages to print.
930 // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
931 // have defined in the dialog. So the number of pages is the maximum available.
932 if (!printout->IsPreview())
933 {
934 GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
935 switch (gtk_print_settings_get_print_pages(settings))
936 {
937 case GTK_PRINT_PAGES_CURRENT:
938 numPages = 1;
939 break;
940 case GTK_PRINT_PAGES_RANGES:
941 {gint num_ranges = 0;
942 GtkPageRange* range;
943 int i;
944 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
945 for (i=0; i<num_ranges; i++)
946 {
947 if (range[i].end < range[i].start) range[i].end = range[i].start;
948 if (range[i].start < minPage-1) range[i].start = minPage-1;
949 if (range[i].end > maxPage-1) range[i].end = maxPage-1;
950 if (range[i].start > maxPage-1) range[i].start = maxPage-1;
951 numPages += range[i].end - range[i].start + 1;
952 }
953 gtk_print_settings_set_page_ranges (settings, range, 1);
954 break;}
955 case GTK_PRINT_PAGES_ALL:
956 default:
957 numPages = maxPage - minPage + 1;
958 break;
959 }
960 }
961 else numPages = maxPage - minPage + 1;
962
963 gtk_print_operation_set_n_pages(operation, numPages);
964 }
965
966 void wxGtkPrinter::DrawPage(wxPrintout *printout,
967 GtkPrintOperation *operation,
968 GtkPrintContext * WXUNUSED(context),
969 int page_nr)
970 {
971 int fromPage, toPage, minPage, maxPage, startPage, endPage;
972 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
973
974 int numPageToDraw = page_nr + minPage;
975 if (numPageToDraw < minPage) numPageToDraw = minPage;
976 if (numPageToDraw > maxPage) numPageToDraw = maxPage;
977
978 GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
979 switch (gtk_print_settings_get_print_pages(settings))
980 {
981 case GTK_PRINT_PAGES_CURRENT:
982 g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
983 g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
984 break;
985 case GTK_PRINT_PAGES_RANGES:
986 {gint num_ranges = 0;
987 GtkPageRange* range;
988 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
989 // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
990 if (num_ranges >= 1)
991 {
992 startPage = range[0].start + 1;
993 endPage = range[0].end + 1;
994 }
995 else {
996 startPage = minPage;
997 endPage = maxPage;
998 }
999 break;}
1000 case GTK_PRINT_PAGES_ALL:
1001 default:
1002 startPage = minPage;
1003 endPage = maxPage;
1004 break;
1005 }
1006
1007 if(numPageToDraw == startPage)
1008 {
1009 if (!printout->OnBeginDocument(startPage, endPage))
1010 {
1011 wxLogError(_("Could not start printing."));
1012 sm_lastError = wxPRINTER_ERROR;
1013 }
1014 }
1015
1016 // The app can render the page numPageToDraw.
1017 if (printout->HasPage(numPageToDraw))
1018 {
1019 m_dc->StartPage();
1020 printout->OnPrintPage(numPageToDraw);
1021 m_dc->EndPage();
1022 }
1023
1024
1025 if(numPageToDraw == endPage)
1026 {
1027 printout->OnEndDocument();
1028 }
1029 }
1030
1031 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1032 {
1033 wxGtkPrintDialog dialog( parent, &m_printDialogData );
1034
1035 dialog.SetPrintDC(m_dc);
1036 dialog.SetShowDialog(true);
1037
1038 int ret = dialog.ShowModal();
1039
1040 if (ret == wxID_CANCEL)
1041 {
1042 sm_lastError = wxPRINTER_CANCELLED;
1043 return NULL;
1044 }
1045 if (ret == wxID_NO)
1046 {
1047 sm_lastError = wxPRINTER_ERROR;
1048 wxFAIL_MSG(_("The print dialog returned an error."));
1049 return NULL;
1050 }
1051
1052 m_printDialogData = dialog.GetPrintDialogData();
1053
1054 return new wxPrinterDC( m_printDialogData.GetPrintData() );
1055 }
1056
1057 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1058 {
1059 // Obsolete, for backward compatibility.
1060 return false;
1061 }
1062
1063 //-----------------------------------------------------------------------------
1064 // wxGtkPrinterDC
1065 //-----------------------------------------------------------------------------
1066
1067 #define wxCAIRO_SCALE 1
1068
1069 #if wxCAIRO_SCALE
1070
1071 #define XLOG2DEV(x) LogicalToDeviceX(x)
1072 #define XLOG2DEVREL(x) LogicalToDeviceXRel(x)
1073 #define YLOG2DEV(x) LogicalToDeviceY(x)
1074 #define YLOG2DEVREL(x) LogicalToDeviceYRel(x)
1075
1076 #else
1077
1078 #define XLOG2DEV(x) ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1079 #define XLOG2DEVREL(x) ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1080 #define YLOG2DEV(x) ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1081 #define YLOG2DEVREL(x) ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1082
1083 #endif
1084
1085 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1086
1087 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1088 : wxDCImpl( owner )
1089 {
1090 m_printData = data;
1091
1092 wxGtkPrintNativeData *native =
1093 (wxGtkPrintNativeData*) m_printData.GetNativeData();
1094
1095 m_gpc = native->GetPrintContext();
1096
1097 // Match print quality to resolution (high = 1200dpi)
1098 m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1099 if (m_resolution < 0)
1100 m_resolution = (1 << (m_resolution+4)) *150;
1101
1102 m_context = gtk_print_context_create_pango_context( m_gpc );
1103 m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1104 m_fontdesc = pango_font_description_from_string( "Sans 12" );
1105
1106 m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1107
1108 #if wxCAIRO_SCALE
1109 m_PS2DEV = 1.0;
1110 m_DEV2PS = 1.0;
1111
1112 cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1113 #else
1114 m_PS2DEV = (double)m_resolution / 72.0;
1115 m_DEV2PS = 72.0 / (double)m_resolution;
1116 #endif
1117
1118 m_currentRed = 0;
1119 m_currentBlue = 0;
1120 m_currentGreen = 0;
1121
1122 m_signX = 1; // default x-axis left to right.
1123 m_signY = 1; // default y-axis bottom up -> top down.
1124
1125 // By default the origin of the Cairo context is in the upper left
1126 // corner of the printable area. We need to translate it so that it
1127 // is in the upper left corner of the paper (without margins)
1128 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1129 gdouble ml, mt;
1130 ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1131 mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1132 cairo_translate(m_cairo, -ml, -mt);
1133 }
1134
1135 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1136 {
1137 g_object_unref(m_context);
1138 g_object_unref(m_layout);
1139 }
1140
1141 bool wxGtkPrinterDCImpl::IsOk() const
1142 {
1143 return m_gpc != NULL;
1144 }
1145
1146 void* wxGtkPrinterDCImpl::GetCairoContext() const
1147 {
1148 return (void*) cairo_reference( m_cairo );
1149 }
1150
1151 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1152 wxCoord WXUNUSED(y1),
1153 const wxColour& WXUNUSED(col),
1154 wxFloodFillStyle WXUNUSED(style))
1155 {
1156 // We can't access the given coord as a Cairo context is scalable, ie a
1157 // coord doesn't mean anything in this context.
1158 wxFAIL_MSG(_("not implemented"));
1159 return false;
1160 }
1161
1162 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1163 {
1164 wxCoord xC = circleCenter.x;
1165 wxCoord yC = circleCenter.y;
1166 wxCoord xR = rect.x;
1167 wxCoord yR = rect.y;
1168 wxCoord w = rect.width;
1169 wxCoord h = rect.height;
1170
1171 const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1172 double radius = sqrt(r2);
1173
1174 unsigned char redI = initialColour.Red();
1175 unsigned char blueI = initialColour.Blue();
1176 unsigned char greenI = initialColour.Green();
1177 unsigned char alphaI = initialColour.Alpha();
1178 unsigned char redD = destColour.Red();
1179 unsigned char blueD = destColour.Blue();
1180 unsigned char greenD = destColour.Green();
1181 unsigned char alphaD = destColour.Alpha();
1182
1183 double redIPS = (double)(redI) / 255.0;
1184 double blueIPS = (double)(blueI) / 255.0;
1185 double greenIPS = (double)(greenI) / 255.0;
1186 double alphaIPS = (double)(alphaI) / 255.0;
1187 double redDPS = (double)(redD) / 255.0;
1188 double blueDPS = (double)(blueD) / 255.0;
1189 double greenDPS = (double)(greenD) / 255.0;
1190 double alphaDPS = (double)(alphaD) / 255.0;
1191
1192 // Create a pattern with the gradient.
1193 cairo_pattern_t* gradient;
1194 gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1195 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1196 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1197
1198 // Fill the rectangle with this pattern.
1199 cairo_set_source(m_cairo, gradient);
1200 cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1201 cairo_fill(m_cairo);
1202
1203 cairo_pattern_destroy(gradient);
1204
1205 CalcBoundingBox(xR, yR);
1206 CalcBoundingBox(xR+w, yR+h);
1207 }
1208
1209 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1210 {
1211 wxCoord x = rect.x;
1212 wxCoord y = rect.y;
1213 wxCoord w = rect.width;
1214 wxCoord h = rect.height;
1215
1216 unsigned char redI = initialColour.Red();
1217 unsigned char blueI = initialColour.Blue();
1218 unsigned char greenI = initialColour.Green();
1219 unsigned char alphaI = initialColour.Alpha();
1220 unsigned char redD = destColour.Red();
1221 unsigned char blueD = destColour.Blue();
1222 unsigned char greenD = destColour.Green();
1223 unsigned char alphaD = destColour.Alpha();
1224
1225 double redIPS = (double)(redI) / 255.0;
1226 double blueIPS = (double)(blueI) / 255.0;
1227 double greenIPS = (double)(greenI) / 255.0;
1228 double alphaIPS = (double)(alphaI) / 255.0;
1229 double redDPS = (double)(redD) / 255.0;
1230 double blueDPS = (double)(blueD) / 255.0;
1231 double greenDPS = (double)(greenD) / 255.0;
1232 double alphaDPS = (double)(alphaD) / 255.0;
1233
1234 // Create a pattern with the gradient.
1235 cairo_pattern_t* gradient;
1236 gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1237
1238 if (nDirection == wxWEST)
1239 {
1240 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1241 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1242 }
1243 else {
1244 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1245 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1246 }
1247
1248 // Fill the rectangle with this pattern.
1249 cairo_set_source(m_cairo, gradient);
1250 cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1251 cairo_fill(m_cairo);
1252
1253 cairo_pattern_destroy(gradient);
1254
1255 CalcBoundingBox(x, y);
1256 CalcBoundingBox(x+w, y+h);
1257 }
1258
1259 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1260 wxCoord WXUNUSED(y1),
1261 wxColour * WXUNUSED(col)) const
1262 {
1263 wxFAIL_MSG(_("not implemented"));
1264 return false;
1265 }
1266
1267 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1268 {
1269 if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1270
1271 SetPen( m_pen );
1272 cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1273 cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1274 cairo_stroke ( m_cairo );
1275
1276 CalcBoundingBox( x1, y1 );
1277 CalcBoundingBox( x2, y2 );
1278 }
1279
1280 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1281 {
1282 int w, h;
1283 DoGetSize(&w, &h);
1284
1285 SetPen(m_pen);
1286
1287 cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1288 cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1289 cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1290 cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1291
1292 cairo_stroke (m_cairo);
1293 CalcBoundingBox( 0, 0 );
1294 CalcBoundingBox( w, h );
1295 }
1296
1297 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1298 {
1299 double dx = x1 - xc;
1300 double dy = y1 - yc;
1301 double radius = sqrt((double)(dx*dx+dy*dy));
1302
1303 double alpha1, alpha2;
1304 if (x1 == x2 && y1 == y2)
1305 {
1306 alpha1 = 0.0;
1307 alpha2 = 360.0;
1308 }
1309 else
1310 if (radius == 0.0)
1311 {
1312 alpha1 = alpha2 = 0.0;
1313 }
1314 else
1315 {
1316 alpha1 = (x1 - xc == 0) ?
1317 (y1 - yc < 0) ? 90.0 : -90.0 :
1318 atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1319 alpha2 = (x2 - xc == 0) ?
1320 (y2 - yc < 0) ? 90.0 : -90.0 :
1321 atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1322
1323 while (alpha1 <= 0) alpha1 += 360;
1324 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between.
1325 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree.
1326 while (alpha2 > 360) alpha2 -= 360;
1327 }
1328
1329 alpha1 *= DEG2RAD;
1330 alpha2 *= DEG2RAD;
1331
1332 cairo_new_path(m_cairo);
1333
1334 cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1335 cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1336 cairo_close_path (m_cairo);
1337
1338 SetBrush( m_brush );
1339 cairo_fill_preserve( m_cairo );
1340
1341 SetPen (m_pen);
1342 cairo_stroke( m_cairo );
1343
1344 CalcBoundingBox (x1, y1);
1345 CalcBoundingBox (xc, yc);
1346 CalcBoundingBox (x2, y2);
1347 }
1348
1349 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1350 {
1351 cairo_save( m_cairo );
1352
1353 cairo_new_path(m_cairo);
1354
1355 cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1356 double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1357 cairo_scale( m_cairo, 1.0, scale );
1358
1359 cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1360
1361 SetPen (m_pen);
1362 cairo_stroke_preserve( m_cairo );
1363
1364 cairo_line_to(m_cairo, 0,0);
1365
1366 SetBrush( m_brush );
1367 cairo_fill( m_cairo );
1368
1369 cairo_restore( m_cairo );
1370
1371 CalcBoundingBox( x, y);
1372 CalcBoundingBox( x+w, y+h );
1373 }
1374
1375 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1376 {
1377 if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1378
1379 SetPen( m_pen );
1380
1381 cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1382 cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1383 cairo_stroke ( m_cairo );
1384
1385 CalcBoundingBox( x, y );
1386 }
1387
1388 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1389 {
1390 if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1391
1392 if (n <= 0) return;
1393
1394 SetPen (m_pen);
1395
1396 int i;
1397 for ( i =0; i<n ; i++ )
1398 CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1399
1400 cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1401
1402 for (i = 1; i < n; i++)
1403 cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1404
1405 cairo_stroke ( m_cairo);
1406 }
1407
1408 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1409 wxCoord xoffset, wxCoord yoffset,
1410 wxPolygonFillMode fillStyle)
1411 {
1412 if (n==0) return;
1413
1414 cairo_save(m_cairo);
1415 if (fillStyle == wxWINDING_RULE)
1416 cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1417 else
1418 cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1419
1420 int x = points[0].x + xoffset;
1421 int y = points[0].y + yoffset;
1422 cairo_new_path(m_cairo);
1423 cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1424 int i;
1425 for (i = 1; i < n; i++)
1426 {
1427 int x = points[i].x + xoffset;
1428 int y = points[i].y + yoffset;
1429 cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1430 }
1431 cairo_close_path(m_cairo);
1432
1433 SetBrush( m_brush );
1434 cairo_fill_preserve( m_cairo );
1435
1436 SetPen (m_pen);
1437 cairo_stroke( m_cairo );
1438
1439 CalcBoundingBox( x, y );
1440
1441 cairo_restore(m_cairo);
1442 }
1443
1444 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1445 wxCoord xoffset, wxCoord yoffset,
1446 wxPolygonFillMode fillStyle)
1447 {
1448 wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1449 }
1450
1451 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1452 {
1453 width--;
1454 height--;
1455
1456 cairo_new_path(m_cairo);
1457 cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1458
1459 SetBrush( m_brush );
1460 cairo_fill_preserve( m_cairo );
1461
1462 SetPen (m_pen);
1463 cairo_stroke( m_cairo );
1464
1465 CalcBoundingBox( x, y );
1466 CalcBoundingBox( x + width, y + height );
1467 }
1468
1469 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1470 {
1471 width--;
1472 height--;
1473
1474 if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1475
1476 wxCoord dd = 2 * (wxCoord) radius;
1477 if (dd > width) dd = width;
1478 if (dd > height) dd = height;
1479 radius = dd / 2;
1480
1481 wxCoord rad = (wxCoord) radius;
1482
1483 cairo_new_path(m_cairo);
1484 cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1485 cairo_curve_to(m_cairo,
1486 XLOG2DEV(x + rad),YLOG2DEV(y),
1487 XLOG2DEV(x),YLOG2DEV(y),
1488 XLOG2DEV(x),YLOG2DEV(y + rad));
1489 cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1490 cairo_curve_to(m_cairo,
1491 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1492 XLOG2DEV(x),YLOG2DEV(y + height),
1493 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1494 cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1495 cairo_curve_to(m_cairo,
1496 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1497 XLOG2DEV(x + width),YLOG2DEV(y + height),
1498 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1499 cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1500 cairo_curve_to(m_cairo,
1501 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1502 XLOG2DEV(x + width),YLOG2DEV(y),
1503 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1504 cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1505 cairo_close_path(m_cairo);
1506
1507 SetBrush(m_brush);
1508 cairo_fill_preserve(m_cairo);
1509
1510 SetPen(m_pen);
1511 cairo_stroke(m_cairo);
1512
1513 CalcBoundingBox(x,y);
1514 CalcBoundingBox(x+width,y+height);
1515 }
1516
1517 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1518 {
1519 width--;
1520 height--;
1521
1522 cairo_save (m_cairo);
1523
1524 cairo_new_path(m_cairo);
1525
1526 cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1527 cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1528 cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1529
1530 SetBrush( m_brush );
1531 cairo_fill_preserve( m_cairo );
1532
1533 SetPen (m_pen);
1534 cairo_stroke( m_cairo );
1535
1536 CalcBoundingBox( x, y );
1537 CalcBoundingBox( x + width, y + height );
1538
1539 cairo_restore (m_cairo);
1540 }
1541
1542 #if wxUSE_SPLINES
1543 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1544 {
1545 SetPen (m_pen);
1546
1547 double c, d, x1, y1, x2, y2, x3, y3;
1548 wxPoint *p, *q;
1549
1550 wxPointList::compatibility_iterator node = points->GetFirst();
1551 p = node->GetData();
1552 x1 = p->x;
1553 y1 = p->y;
1554
1555 node = node->GetNext();
1556 p = node->GetData();
1557 c = p->x;
1558 d = p->y;
1559 x3 =
1560 (double)(x1 + c) / 2;
1561 y3 =
1562 (double)(y1 + d) / 2;
1563
1564 cairo_new_path( m_cairo );
1565 cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1566 cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1567
1568 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1569 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1570
1571 node = node->GetNext();
1572 while (node)
1573 {
1574 q = node->GetData();
1575
1576 x1 = x3;
1577 y1 = y3;
1578 x2 = c;
1579 y2 = d;
1580 c = q->x;
1581 d = q->y;
1582 x3 = (double)(x2 + c) / 2;
1583 y3 = (double)(y2 + d) / 2;
1584
1585 cairo_curve_to(m_cairo,
1586 XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1587 XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1588 XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1589
1590 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1591 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1592
1593 node = node->GetNext();
1594 }
1595
1596 cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1597
1598 cairo_stroke( m_cairo );
1599 }
1600 #endif // wxUSE_SPLINES
1601
1602 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1603 wxCoord width, wxCoord height,
1604 wxDC *source, wxCoord xsrc, wxCoord ysrc,
1605 wxRasterOperationMode rop, bool useMask,
1606 wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1607 wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1608 {
1609 wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1610 wxT("mask coordinates are not supported") );
1611
1612 wxCHECK_MSG( source, false, wxT("invalid source dc") );
1613
1614 // Blit into a bitmap.
1615 wxBitmap bitmap( width, height );
1616 wxMemoryDC memDC;
1617 memDC.SelectObject(bitmap);
1618 memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1619 memDC.SelectObject(wxNullBitmap);
1620
1621 // Draw bitmap. scaling and positioning is done there.
1622 GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1623
1624 return true;
1625 }
1626
1627 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1628 {
1629 DoDrawBitmap( icon, x, y, true );
1630 }
1631
1632 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1633 {
1634 wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1635
1636 x = wxCoord(XLOG2DEV(x));
1637 y = wxCoord(YLOG2DEV(y));
1638 int bw = bitmap.GetWidth();
1639 int bh = bitmap.GetHeight();
1640 wxBitmap bmpSource = bitmap; // we need a non-const instance.
1641 if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1642 bmpSource.SetMask(NULL);
1643
1644 cairo_save(m_cairo);
1645
1646 // Prepare to draw the image.
1647 cairo_translate(m_cairo, x, y);
1648
1649 // Scale the image
1650 wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1651 wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1652 cairo_scale(m_cairo, scaleX, scaleY);
1653
1654 gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1655 cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1656 // Use the original size here since the context is scaled already.
1657 cairo_rectangle(m_cairo, 0, 0, bw, bh);
1658 // Fill the rectangle using the pattern.
1659 cairo_fill(m_cairo);
1660
1661 CalcBoundingBox(0,0);
1662 CalcBoundingBox(bw,bh);
1663
1664 cairo_restore(m_cairo);
1665 }
1666
1667 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1668 {
1669 DoDrawRotatedText( text, x, y, 0.0 );
1670 }
1671
1672 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1673 {
1674 double xx = XLOG2DEV(x);
1675 double yy = YLOG2DEV(y);
1676
1677 angle = -angle;
1678
1679 bool underlined = m_font.Ok() && m_font.GetUnderlined();
1680
1681 const wxScopedCharBuffer data = text.utf8_str();
1682
1683 size_t datalen = strlen(data);
1684 pango_layout_set_text( m_layout, data, datalen);
1685
1686 if (underlined)
1687 {
1688 PangoAttrList *attrs = pango_attr_list_new();
1689 PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1690 a->start_index = 0;
1691 a->end_index = datalen;
1692 pango_attr_list_insert(attrs, a);
1693 pango_layout_set_attributes(m_layout, attrs);
1694 pango_attr_list_unref(attrs);
1695 }
1696
1697 if (m_textForegroundColour.Ok())
1698 {
1699 unsigned char red = m_textForegroundColour.Red();
1700 unsigned char blue = m_textForegroundColour.Blue();
1701 unsigned char green = m_textForegroundColour.Green();
1702 unsigned char alpha = m_textForegroundColour.Alpha();
1703
1704 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1705 {
1706 double redPS = (double)(red) / 255.0;
1707 double bluePS = (double)(blue) / 255.0;
1708 double greenPS = (double)(green) / 255.0;
1709 double alphaPS = (double)(alpha) / 255.0;
1710
1711 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1712
1713 m_currentRed = red;
1714 m_currentBlue = blue;
1715 m_currentGreen = green;
1716 m_currentAlpha = alpha;
1717 }
1718 }
1719
1720 // Draw layout.
1721 cairo_move_to (m_cairo, xx, yy);
1722
1723 cairo_save( m_cairo );
1724
1725 if (fabs(angle) > 0.00001)
1726 cairo_rotate( m_cairo, angle*DEG2RAD );
1727
1728 cairo_scale(m_cairo, m_scaleX, m_scaleY);
1729
1730 int w,h;
1731 pango_layout_get_pixel_size( m_layout, &w, &h );
1732
1733 if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1734 {
1735 unsigned char red = m_textBackgroundColour.Red();
1736 unsigned char blue = m_textBackgroundColour.Blue();
1737 unsigned char green = m_textBackgroundColour.Green();
1738 unsigned char alpha = m_textBackgroundColour.Alpha();
1739
1740 double redPS = (double)(red) / 255.0;
1741 double bluePS = (double)(blue) / 255.0;
1742 double greenPS = (double)(green) / 255.0;
1743 double alphaPS = (double)(alpha) / 255.0;
1744
1745 cairo_save(m_cairo);
1746 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1747 cairo_rectangle(m_cairo, 0, 0, w, h); // still in cairo units
1748 cairo_fill(m_cairo);
1749 cairo_restore(m_cairo);
1750 }
1751
1752 pango_cairo_update_layout (m_cairo, m_layout);
1753 pango_cairo_show_layout (m_cairo, m_layout);
1754
1755 cairo_restore( m_cairo );
1756
1757 if (underlined)
1758 {
1759 // Undo underline attributes setting
1760 pango_layout_set_attributes(m_layout, NULL);
1761 }
1762
1763 // Back to device units:
1764 CalcBoundingBox (x, y);
1765 CalcBoundingBox (x + w, y + h);
1766 }
1767
1768 void wxGtkPrinterDCImpl::Clear()
1769 {
1770 // Clear does nothing for printing, but keep the code
1771 // for later reuse
1772 /*
1773 cairo_save(m_cairo);
1774 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1775 SetBrush(m_backgroundBrush);
1776 cairo_paint(m_cairo);
1777 cairo_restore(m_cairo);
1778 */
1779 }
1780
1781 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1782 {
1783 m_font = font;
1784
1785 if (m_font.Ok())
1786 {
1787 if (m_fontdesc)
1788 pango_font_description_free( m_fontdesc );
1789
1790 m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1791
1792 float size = pango_font_description_get_size( m_fontdesc );
1793 size = size * GetFontPointSizeAdjustment(72.0);
1794 pango_font_description_set_size( m_fontdesc, (gint)size );
1795
1796 pango_layout_set_font_description( m_layout, m_fontdesc );
1797 }
1798 }
1799
1800 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1801 {
1802 if (!pen.Ok()) return;
1803
1804 m_pen = pen;
1805
1806 double width;
1807
1808 if (m_pen.GetWidth() <= 0)
1809 width = 0.1;
1810 else
1811 width = (double) m_pen.GetWidth();
1812
1813 cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1814 static const double dotted[] = {2.0, 5.0};
1815 static const double short_dashed[] = {4.0, 4.0};
1816 static const double long_dashed[] = {4.0, 8.0};
1817 static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1818
1819 switch (m_pen.GetStyle())
1820 {
1821 case wxPENSTYLE_DOT: cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1822 case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1823 case wxPENSTYLE_LONG_DASH: cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1824 case wxPENSTYLE_DOT_DASH: cairo_set_dash( m_cairo, dotted_dashed, 4, 0 ); break;
1825 case wxPENSTYLE_USER_DASH:
1826 {
1827 wxDash *wx_dashes;
1828 int num = m_pen.GetDashes (&wx_dashes);
1829 gdouble *g_dashes = g_new( gdouble, num );
1830 int i;
1831 for (i = 0; i < num; ++i)
1832 g_dashes[i] = (gdouble) wx_dashes[i];
1833 cairo_set_dash( m_cairo, g_dashes, num, 0);
1834 g_free( g_dashes );
1835 }
1836 break;
1837 case wxPENSTYLE_SOLID:
1838 case wxPENSTYLE_TRANSPARENT:
1839 default: cairo_set_dash( m_cairo, NULL, 0, 0 ); break;
1840 }
1841
1842 switch (m_pen.GetCap())
1843 {
1844 case wxCAP_PROJECTING: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1845 case wxCAP_BUTT: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1846 case wxCAP_ROUND:
1847 default: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1848 }
1849
1850 switch (m_pen.GetJoin())
1851 {
1852 case wxJOIN_BEVEL: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1853 case wxJOIN_MITER: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1854 case wxJOIN_ROUND:
1855 default: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1856 }
1857
1858 unsigned char red = m_pen.GetColour().Red();
1859 unsigned char blue = m_pen.GetColour().Blue();
1860 unsigned char green = m_pen.GetColour().Green();
1861 unsigned char alpha = m_pen.GetColour().Alpha();
1862
1863 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1864 {
1865 double redPS = (double)(red) / 255.0;
1866 double bluePS = (double)(blue) / 255.0;
1867 double greenPS = (double)(green) / 255.0;
1868 double alphaPS = (double)(alpha) / 255.0;
1869
1870 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1871
1872 m_currentRed = red;
1873 m_currentBlue = blue;
1874 m_currentGreen = green;
1875 m_currentAlpha = alpha;
1876 }
1877 }
1878
1879 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1880 {
1881 if (!brush.Ok()) return;
1882
1883 m_brush = brush;
1884
1885 if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1886 {
1887 cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1888 m_currentRed = 0;
1889 m_currentBlue = 0;
1890 m_currentGreen = 0;
1891 m_currentAlpha = 0;
1892 return;
1893 }
1894
1895 // Brush colour.
1896 unsigned char red = m_brush.GetColour().Red();
1897 unsigned char blue = m_brush.GetColour().Blue();
1898 unsigned char green = m_brush.GetColour().Green();
1899 unsigned char alpha = m_brush.GetColour().Alpha();
1900
1901 double redPS = (double)(red) / 255.0;
1902 double bluePS = (double)(blue) / 255.0;
1903 double greenPS = (double)(green) / 255.0;
1904 double alphaPS = (double)(alpha) / 255.0;
1905
1906 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1907 {
1908 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1909
1910 m_currentRed = red;
1911 m_currentBlue = blue;
1912 m_currentGreen = green;
1913 m_currentAlpha = alpha;
1914 }
1915
1916 if (m_brush.IsHatch())
1917 {
1918 cairo_t * cr;
1919 cairo_surface_t *surface;
1920 surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1921 cr = cairo_create(surface);
1922 cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1923 cairo_set_line_width(cr, 1);
1924 cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1925
1926 switch (m_brush.GetStyle())
1927 {
1928 case wxBRUSHSTYLE_CROSS_HATCH:
1929 cairo_move_to(cr, 5, 0);
1930 cairo_line_to(cr, 5, 10);
1931 cairo_move_to(cr, 0, 5);
1932 cairo_line_to(cr, 10, 5);
1933 break;
1934 case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1935 cairo_move_to(cr, 0, 10);
1936 cairo_line_to(cr, 10, 0);
1937 break;
1938 case wxBRUSHSTYLE_FDIAGONAL_HATCH:
1939 cairo_move_to(cr, 0, 0);
1940 cairo_line_to(cr, 10, 10);
1941 break;
1942 case wxBRUSHSTYLE_CROSSDIAG_HATCH:
1943 cairo_move_to(cr, 0, 0);
1944 cairo_line_to(cr, 10, 10);
1945 cairo_move_to(cr, 10, 0);
1946 cairo_line_to(cr, 0, 10);
1947 break;
1948 case wxBRUSHSTYLE_HORIZONTAL_HATCH:
1949 cairo_move_to(cr, 0, 5);
1950 cairo_line_to(cr, 10, 5);
1951 break;
1952 case wxBRUSHSTYLE_VERTICAL_HATCH:
1953 cairo_move_to(cr, 5, 0);
1954 cairo_line_to(cr, 5, 10);
1955 break;
1956 default:
1957 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
1958 }
1959
1960 cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
1961 cairo_stroke (cr);
1962
1963 cairo_destroy(cr);
1964 cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
1965 cairo_surface_destroy(surface);
1966 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
1967 cairo_set_source(m_cairo, pattern);
1968 cairo_pattern_destroy(pattern);
1969 }
1970 }
1971
1972 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
1973 {
1974 if (function == wxCLEAR)
1975 cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
1976 else if (function == wxOR)
1977 cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
1978 else if (function == wxNO_OP)
1979 cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
1980 else if (function == wxAND)
1981 cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
1982 else if (function == wxSET)
1983 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
1984 else if (function == wxXOR)
1985 cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
1986 else // wxCOPY or anything else.
1987 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1988 }
1989
1990 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
1991 {
1992 m_backgroundBrush = brush;
1993 cairo_save(m_cairo);
1994 cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
1995
1996 SetBrush(m_backgroundBrush);
1997 cairo_paint(m_cairo);
1998 cairo_restore(m_cairo);
1999 }
2000
2001 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2002 {
2003 if (mode == wxBRUSHSTYLE_SOLID)
2004 m_backgroundMode = wxBRUSHSTYLE_SOLID;
2005 else
2006 m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2007 }
2008
2009 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2010 {
2011 cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2012 cairo_clip(m_cairo);
2013 }
2014
2015 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2016 {
2017 cairo_reset_clip(m_cairo);
2018 }
2019
2020 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2021 {
2022 return true;
2023 }
2024
2025 void wxGtkPrinterDCImpl::EndDoc()
2026 {
2027 return;
2028 }
2029
2030 void wxGtkPrinterDCImpl::StartPage()
2031 {
2032 return;
2033 }
2034
2035 void wxGtkPrinterDCImpl::EndPage()
2036 {
2037 return;
2038 }
2039
2040 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2041 {
2042 pango_layout_set_text( m_layout, "H", 1 );
2043
2044 int w,h;
2045 pango_layout_get_pixel_size( m_layout, &w, &h );
2046
2047 return wxRound( h * m_PS2DEV );
2048 }
2049
2050 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2051 {
2052 pango_layout_set_text( m_layout, "H", 1 );
2053
2054 int w,h;
2055 pango_layout_get_pixel_size( m_layout, &w, &h );
2056
2057 return wxRound( w * m_PS2DEV );
2058 }
2059
2060 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2061 wxCoord *descent,
2062 wxCoord *externalLeading,
2063 const wxFont *theFont ) const
2064 {
2065 if ( width )
2066 *width = 0;
2067 if ( height )
2068 *height = 0;
2069 if ( descent )
2070 *descent = 0;
2071 if ( externalLeading )
2072 *externalLeading = 0;
2073
2074 if (string.empty())
2075 {
2076 return;
2077 }
2078
2079 cairo_save( m_cairo );
2080 cairo_scale(m_cairo, m_scaleX, m_scaleY);
2081
2082 // Set layout's text
2083 const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2084
2085 gint oldSize=0;
2086 if ( theFont )
2087 {
2088 // scale the font and apply it
2089 PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2090 float size = pango_font_description_get_size(desc);
2091 size = size * GetFontPointSizeAdjustment(72.0);
2092 pango_font_description_set_size(desc, (gint)size);
2093
2094 pango_layout_set_font_description(m_layout, desc);
2095 }
2096
2097 pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2098
2099 int h;
2100 pango_layout_get_pixel_size( m_layout, width, &h );
2101 if ( height )
2102 *height = h;
2103
2104 if (descent)
2105 {
2106 PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2107 int baseline = pango_layout_iter_get_baseline(iter);
2108 pango_layout_iter_free(iter);
2109 *descent = h - PANGO_PIXELS(baseline);
2110 }
2111
2112 if ( theFont )
2113 {
2114 // restore font and reset font's size back
2115 pango_layout_set_font_description(m_layout, m_fontdesc);
2116
2117 PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2118 pango_font_description_set_size(desc, oldSize);
2119 }
2120
2121 cairo_restore( m_cairo );
2122 }
2123
2124 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2125 {
2126 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2127
2128 if (width)
2129 *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2130 if (height)
2131 *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2132 }
2133
2134 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2135 {
2136 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2137
2138 if (width)
2139 *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2140 if (height)
2141 *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2142 }
2143
2144 wxSize wxGtkPrinterDCImpl::GetPPI() const
2145 {
2146 return wxSize( (int)m_resolution, (int)m_resolution );
2147 }
2148
2149 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2150 {
2151 m_printData = data;
2152 }
2153
2154 // overriden for wxPrinterDC Impl
2155
2156 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2157 {
2158 // Does GtkPrint support printer margins?
2159 int w = 0;
2160 int h = 0;
2161 DoGetSize( &w, &h );
2162 return wxRect( 0,0,w,h );
2163 }
2164
2165 int wxGtkPrinterDCImpl::GetResolution() const
2166 {
2167 return m_resolution;
2168 }
2169
2170 // ----------------------------------------------------------------------------
2171 // Print preview
2172 // ----------------------------------------------------------------------------
2173
2174 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2175
2176 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2177 wxPrintout * WXUNUSED(printoutForPrinting),
2178 wxPrintData *data)
2179 {
2180 // convert wxPrintQuality to resolution (input pointer can be NULL)
2181 wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2182 switch ( quality )
2183 {
2184 case wxPRINT_QUALITY_HIGH:
2185 m_resolution = 1200;
2186 break;
2187
2188 case wxPRINT_QUALITY_LOW:
2189 m_resolution = 300;
2190 break;
2191
2192 case wxPRINT_QUALITY_DRAFT:
2193 m_resolution = 150;
2194 break;
2195
2196 default:
2197 if ( quality > 0 )
2198 {
2199 // positive values directly indicate print resolution
2200 m_resolution = quality;
2201 break;
2202 }
2203
2204 wxFAIL_MSG( "unknown print quality" );
2205 // fall through
2206
2207 case wxPRINT_QUALITY_MEDIUM:
2208 m_resolution = 600;
2209 break;
2210
2211 }
2212
2213 DetermineScaling();
2214 }
2215
2216 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2217 wxPrintout *printoutForPrinting,
2218 wxPrintDialogData *data)
2219 : wxPrintPreviewBase(printout, printoutForPrinting, data)
2220 {
2221 Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2222 }
2223
2224 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2225 wxPrintout *printoutForPrinting,
2226 wxPrintData *data)
2227 : wxPrintPreviewBase(printout, printoutForPrinting, data)
2228 {
2229 Init(printout, printoutForPrinting, data);
2230 }
2231
2232 wxGtkPrintPreview::~wxGtkPrintPreview()
2233 {
2234 }
2235
2236 bool wxGtkPrintPreview::Print(bool interactive)
2237 {
2238 if (!m_printPrintout)
2239 return false;
2240
2241 wxPrinter printer(& m_printDialogData);
2242 return printer.Print(m_previewFrame, m_printPrintout, interactive);
2243 }
2244
2245 void wxGtkPrintPreview::DetermineScaling()
2246 {
2247 wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2248
2249 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2250 if (!paper)
2251 paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2252
2253 if (paper)
2254 {
2255 m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2256 m_previewPrintout->SetPPIPrinter( m_resolution, m_resolution );
2257
2258 // Get width and height in points (1/72th of an inch)
2259 wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2260 sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2261 sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2262
2263 wxSize sizeTenthsMM(paper->GetSize());
2264 wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2265
2266 // If in landscape mode, we need to swap the width and height.
2267 if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2268 {
2269 m_pageWidth = sizeDevUnits.y;
2270 m_pageHeight = sizeDevUnits.x;
2271 m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2272 }
2273 else
2274 {
2275 m_pageWidth = sizeDevUnits.x;
2276 m_pageHeight = sizeDevUnits.y;
2277 m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2278 }
2279 m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2280 m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2281
2282 // At 100%, the page should look about page-size on the screen.
2283 m_previewScaleX = 0.8 * 72.0 / (double)m_resolution;
2284 m_previewScaleY = m_previewScaleX;
2285 }
2286 }
2287
2288 #endif
2289 // wxUSE_GTKPRINT