Compute print preview scale using real DPI values in wxGTK.
[wxWidgets.git] / src / gtk / print.cpp
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 #include <gtk/gtkpagesetupunixdialog.h>
40
41 #if wxUSE_GRAPHICS_CONTEXT
42 #include "wx/graphics.h"
43 #endif
44
45 #include "wx/link.h"
46 wxFORCE_LINK_THIS_MODULE(gtk_print)
47
48 #if wxUSE_LIBGNOMEPRINT
49 #include "wx/gtk/gnome/gprint.h"
50 #endif
51
52 #include "wx/gtk/private/object.h"
53
54 // Usefull to convert angles from/to Rad to/from Deg.
55 static const double RAD2DEG = 180.0 / M_PI;
56 static const double DEG2RAD = M_PI / 180.0;
57
58 //----------------------------------------------------------------------------
59 // wxGtkPrintModule
60 // Initialized when starting the app : if it successfully load the gtk-print framework,
61 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
62 // to postscript if gnomeprint is not available.
63 //----------------------------------------------------------------------------
64
65 class wxGtkPrintModule: public wxModule
66 {
67 public:
68 wxGtkPrintModule()
69 {
70 #if wxUSE_LIBGNOMEPRINT
71 // This module must be initialized AFTER gnomeprint's one
72 AddDependency(CLASSINFO(wxGnomePrintModule));
73 #endif
74 }
75 bool OnInit();
76 void OnExit() {}
77
78 private:
79 DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
80 };
81
82 bool wxGtkPrintModule::OnInit()
83 {
84 if (gtk_check_version(2,10,0) == NULL)
85 wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
86 return true;
87 }
88
89 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
90
91 //----------------------------------------------------------------------------
92 // wxGtkPrintFactory
93 //----------------------------------------------------------------------------
94
95 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
96 {
97 return new wxGtkPrinter( data );
98 }
99
100 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
101 wxPrintout *printout,
102 wxPrintDialogData *data )
103 {
104 return new wxGtkPrintPreview( preview, printout, data );
105 }
106
107 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
108 wxPrintout *printout,
109 wxPrintData *data )
110 {
111 return new wxGtkPrintPreview( preview, printout, data );
112 }
113
114 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
115 wxPrintDialogData *data )
116 {
117 return new wxGtkPrintDialog( parent, data );
118 }
119
120 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
121 wxPrintData *data )
122 {
123 return new wxGtkPrintDialog( parent, data );
124 }
125
126 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
127 wxPageSetupDialogData * data )
128 {
129 return new wxGtkPageSetupDialog( parent, data );
130 }
131
132 bool wxGtkPrintFactory::HasPrintSetupDialog()
133 {
134 return false;
135 }
136
137 wxDialog *
138 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
139 wxPrintData * WXUNUSED(data))
140 {
141 return NULL;
142 }
143
144 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
145 {
146 return new wxGtkPrinterDCImpl( owner, data );
147 }
148
149 bool wxGtkPrintFactory::HasOwnPrintToFile()
150 {
151 return true;
152 }
153
154 bool wxGtkPrintFactory::HasPrinterLine()
155 {
156 return true;
157 }
158
159 wxString wxGtkPrintFactory::CreatePrinterLine()
160 {
161 // redundant now
162 return wxEmptyString;
163 }
164
165 bool wxGtkPrintFactory::HasStatusLine()
166 {
167 // redundant now
168 return true;
169 }
170
171 wxString wxGtkPrintFactory::CreateStatusLine()
172 {
173 // redundant now
174 return wxEmptyString;
175 }
176
177 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
178 {
179 return new wxGtkPrintNativeData;
180 }
181
182 //----------------------------------------------------------------------------
183 // Callback functions for Gtk Printings.
184 //----------------------------------------------------------------------------
185
186 // We use it to pass useful objects to GTK printing callback functions.
187 struct wxPrinterToGtkData
188 {
189 wxGtkPrinter * printer;
190 wxPrintout * printout;
191 };
192
193 extern "C"
194 {
195 static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
196 {
197 wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
198
199 data->printer->BeginPrint(data->printout, operation, context);
200 }
201
202 static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
203 {
204 wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
205
206 data->printer->DrawPage(data->printout, operation, context, page_nr);
207 }
208
209 static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
210 GtkPrintContext * WXUNUSED(context),
211 gpointer user_data)
212 {
213 wxPrintout *printout = (wxPrintout *) user_data;
214
215 printout->OnEndPrinting();
216 }
217 }
218
219 //----------------------------------------------------------------------------
220 // wxGtkPrintNativeData
221 //----------------------------------------------------------------------------
222
223 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
224
225 wxGtkPrintNativeData::wxGtkPrintNativeData()
226 {
227 m_config = gtk_print_settings_new();
228 m_job = gtk_print_operation_new();
229 m_context = NULL;
230 }
231
232 wxGtkPrintNativeData::~wxGtkPrintNativeData()
233 {
234 g_object_unref(m_job);
235 g_object_unref(m_config);
236 }
237
238 // Convert datas stored in m_config to a wxPrintData.
239 // Called by wxPrintData::ConvertFromNative().
240 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
241 {
242 if(!m_config)
243 return false;
244
245 int resolution = gtk_print_settings_get_resolution(m_config);
246 if ( resolution > 0 )
247 {
248 // if resolution is explicitly set, use it
249 data.SetQuality(resolution);
250 }
251 else // use more vague "quality"
252 {
253 GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
254 if (quality == GTK_PRINT_QUALITY_HIGH)
255 data.SetQuality(wxPRINT_QUALITY_HIGH);
256 else if (quality == GTK_PRINT_QUALITY_LOW)
257 data.SetQuality(wxPRINT_QUALITY_LOW);
258 else if (quality == GTK_PRINT_QUALITY_DRAFT)
259 data.SetQuality(wxPRINT_QUALITY_DRAFT);
260 else
261 data.SetQuality(wxPRINT_QUALITY_MEDIUM);
262 }
263
264 data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
265
266 data.SetColour(gtk_print_settings_get_use_color(m_config));
267
268 switch (gtk_print_settings_get_duplex(m_config))
269 {
270 case GTK_PRINT_DUPLEX_SIMPLEX: data.SetDuplex (wxDUPLEX_SIMPLEX);
271 break;
272
273 case GTK_PRINT_DUPLEX_HORIZONTAL: data.SetDuplex (wxDUPLEX_HORIZONTAL);
274 break;
275
276 default:
277 case GTK_PRINT_DUPLEX_VERTICAL: data.SetDuplex (wxDUPLEX_VERTICAL);
278 break;
279 }
280
281 GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
282 if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
283 {
284 data.SetOrientation(wxPORTRAIT);
285 data.SetOrientationReversed(false);
286 }
287 else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
288 {
289 data.SetOrientation(wxLANDSCAPE);
290 data.SetOrientationReversed(false);
291 }
292 else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
293 {
294 data.SetOrientation(wxPORTRAIT);
295 data.SetOrientationReversed(true);
296 }
297 else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
298 {
299 data.SetOrientation(wxLANDSCAPE);
300 data.SetOrientationReversed(true);
301 }
302
303 data.SetCollate(gtk_print_settings_get_collate (m_config));
304
305 // Paper formats : these are the most common paper formats.
306 GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
307 if (!paper_size)
308 data.SetPaperId(wxPAPER_NONE);
309 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
310 data.SetPaperId(wxPAPER_A3);
311 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
312 data.SetPaperId(wxPAPER_A4);
313 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
314 data.SetPaperId(wxPAPER_A5);
315 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
316 data.SetPaperId(wxPAPER_B5);
317 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
318 data.SetPaperId(wxPAPER_LETTER);
319 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
320 data.SetPaperId(wxPAPER_LEGAL);
321 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
322 data.SetPaperId(wxPAPER_EXECUTIVE);
323 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
324 data.SetPaperId(wxPAPER_ENV_10);
325 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
326 data.SetPaperId(wxPAPER_ENV_C5);
327 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
328 data.SetPaperId(wxPAPER_ENV_C6);
329 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
330 data.SetPaperId(wxPAPER_B5_TRANSVERSE);
331 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
332 data.SetPaperId(wxPAPER_ENV_B5);
333 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
334 data.SetPaperId(wxPAPER_ENV_MONARCH);
335 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
336 data.SetPaperId( wxPAPER_CSHEET);
337 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
338 data.SetPaperId( wxPAPER_DSHEET);
339 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
340 data.SetPaperId( wxPAPER_ESHEET);
341 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
342 data.SetPaperId( wxPAPER_LETTERSMALL);
343 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
344 data.SetPaperId( wxPAPER_TABLOID);
345 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
346 data.SetPaperId( wxPAPER_LEDGER);
347 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
348 data.SetPaperId( wxPAPER_STATEMENT);
349 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
350 data.SetPaperId( wxPAPER_A4SMALL);
351 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
352 data.SetPaperId( wxPAPER_B4);
353 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
354 data.SetPaperId( wxPAPER_FOLIO);
355 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
356 data.SetPaperId( wxPAPER_QUARTO);
357 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
358 data.SetPaperId( wxPAPER_10X14);
359 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
360 data.SetPaperId( wxPAPER_11X17);
361 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
362 data.SetPaperId( wxPAPER_NOTE);
363 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
364 data.SetPaperId( wxPAPER_ENV_9);
365 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
366 data.SetPaperId( wxPAPER_ENV_11);
367 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
368 data.SetPaperId( wxPAPER_ENV_12);
369 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
370 data.SetPaperId( wxPAPER_ENV_14);
371 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
372 data.SetPaperId( wxPAPER_ENV_DL);
373 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
374 data.SetPaperId( wxPAPER_ENV_C3);
375 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
376 data.SetPaperId( wxPAPER_ENV_C4);
377 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
378 data.SetPaperId( wxPAPER_ENV_C65);
379 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
380 data.SetPaperId( wxPAPER_ENV_B4);
381 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
382 data.SetPaperId( wxPAPER_ENV_B6);
383 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
384 data.SetPaperId( wxPAPER_ENV_ITALY);
385 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
386 data.SetPaperId( wxPAPER_ENV_PERSONAL);
387 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
388 data.SetPaperId( wxPAPER_FANFOLD_US);
389 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
390 data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
391 else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
392 data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
393 else
394 data.SetPaperId(wxPAPER_NONE);
395
396 data.SetPrinterName(gtk_print_settings_get_printer(m_config));
397
398 return true;
399 }
400
401 // Put datas given by the wxPrintData into m_config.
402 // Called by wxPrintData::ConvertToNative().
403 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
404 {
405 if(!m_config)
406 return false;
407
408 wxPrintQuality quality = data.GetQuality();
409 if (quality == wxPRINT_QUALITY_HIGH)
410 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
411 else if (quality == wxPRINT_QUALITY_MEDIUM)
412 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
413 else if (quality == wxPRINT_QUALITY_LOW)
414 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
415 else if (quality == wxPRINT_QUALITY_DRAFT)
416 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
417 else if (quality > 1)
418 gtk_print_settings_set_resolution (m_config, quality);
419 else
420 gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
421
422 gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
423
424 gtk_print_settings_set_use_color(m_config, data.GetColour());
425
426 switch (data.GetDuplex())
427 {
428 case wxDUPLEX_SIMPLEX: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
429 break;
430
431 case wxDUPLEX_HORIZONTAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
432 break;
433
434 default:
435 case wxDUPLEX_VERTICAL: gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
436 break;
437 }
438
439 if (!data.IsOrientationReversed())
440 {
441 if (data.GetOrientation() == wxLANDSCAPE)
442 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
443 else
444 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
445 }
446 else {
447 if (data.GetOrientation() == wxLANDSCAPE)
448 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
449 else
450 gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
451 }
452
453 gtk_print_settings_set_collate (m_config, data.GetCollate());
454
455 // Paper formats: these are the most common paper formats.
456 switch (data.GetPaperId())
457 {
458 case wxPAPER_A3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
459 break;
460 case wxPAPER_A4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
461 break;
462 case wxPAPER_A5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
463 break;
464 case wxPAPER_B5_TRANSVERSE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
465 break;
466 case wxPAPER_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
467 break;
468 case wxPAPER_LETTER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
469 break;
470 case wxPAPER_LEGAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
471 break;
472 case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
473 break;
474 case wxPAPER_ENV_10: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
475 break;
476 case wxPAPER_ENV_C5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
477 break;
478 case wxPAPER_ENV_C6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
479 break;
480 case wxPAPER_ENV_B5: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
481 break;
482 case wxPAPER_ENV_MONARCH: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
483 break;
484 case wxPAPER_CSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
485 break;
486 case wxPAPER_DSHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
487 break;
488 case wxPAPER_ESHEET: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
489 break;
490 case wxPAPER_LETTERSMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
491 break;
492 case wxPAPER_TABLOID: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
493 break;
494 case wxPAPER_LEDGER: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
495 break;
496 case wxPAPER_STATEMENT: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
497 break;
498 case wxPAPER_A4SMALL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
499 break;
500 case wxPAPER_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
501 break;
502 case wxPAPER_FOLIO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
503 break;
504 case wxPAPER_QUARTO: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
505 break;
506 case wxPAPER_10X14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
507 break;
508 case wxPAPER_11X17: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
509 break;
510 case wxPAPER_NOTE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
511 break;
512 case wxPAPER_ENV_9: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
513 break;
514 case wxPAPER_ENV_11: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
515 break;
516 case wxPAPER_ENV_12: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
517 break;
518 case wxPAPER_ENV_14: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
519 break;
520 case wxPAPER_ENV_DL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
521 break;
522 case wxPAPER_ENV_C3: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
523 break;
524 case wxPAPER_ENV_C4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
525 break;
526 case wxPAPER_ENV_C65: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
527 break;
528 case wxPAPER_ENV_B4: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
529 break;
530 case wxPAPER_ENV_B6: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
531 break;
532 case wxPAPER_ENV_ITALY: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
533 break;
534 case wxPAPER_ENV_PERSONAL: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
535 break;
536 case wxPAPER_FANFOLD_US: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
537 break;
538 case wxPAPER_FANFOLD_STD_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
539 break;
540 case wxPAPER_FANFOLD_LGL_GERMAN: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
541 break;
542 case wxPAPER_NONE:
543 default: break;
544 }
545
546 gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str());
547
548 return true;
549 }
550
551 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
552 {
553 if (config)
554 m_config = gtk_print_settings_copy(config);
555 }
556
557 // Extract page setup from settings.
558 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
559 {
560 GtkPageSetup* page_setup = gtk_page_setup_new();
561 gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
562
563 GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
564 if (paper_size != NULL)
565 gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
566
567 return page_setup;
568 }
569
570 // Insert page setup into a given GtkPrintSettings.
571 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
572 {
573 gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
574 gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
575 }
576
577 //----------------------------------------------------------------------------
578 // wxGtkPrintDialog
579 //----------------------------------------------------------------------------
580
581 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
582
583 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
584 : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
585 wxPoint(0, 0), wxSize(600, 600),
586 wxDEFAULT_DIALOG_STYLE |
587 wxTAB_TRAVERSAL)
588 {
589 if (data)
590 m_printDialogData = *data;
591
592 m_parent = parent;
593 SetShowDialog(true);
594 }
595
596 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
597 : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
598 wxPoint(0, 0), wxSize(600, 600),
599 wxDEFAULT_DIALOG_STYLE |
600 wxTAB_TRAVERSAL)
601 {
602 if (data)
603 m_printDialogData = *data;
604
605 m_parent = parent;
606 SetShowDialog(true);
607 }
608
609
610 wxGtkPrintDialog::~wxGtkPrintDialog()
611 {
612 }
613
614 // This is called even if we actually don't want the dialog to appear.
615 int wxGtkPrintDialog::ShowModal()
616 {
617 GtkPrintOperationResult response;
618
619 // We need to restore the settings given in the constructor.
620 wxPrintData data = m_printDialogData.GetPrintData();
621 wxGtkPrintNativeData *native =
622 (wxGtkPrintNativeData*) data.GetNativeData();
623 data.ConvertToNative();
624
625 GtkPrintSettings * settings = native->GetPrintConfig();
626
627 // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
628 int fromPage = m_printDialogData.GetFromPage();
629 int toPage = m_printDialogData.GetToPage();
630 if (m_printDialogData.GetSelection())
631 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
632 else if (m_printDialogData.GetAllPages())
633 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
634 else {
635 gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
636 GtkPageRange *range;
637 range = g_new (GtkPageRange, 1);
638 range[0].start = fromPage-1;
639 range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
640 gtk_print_settings_set_page_ranges (settings, range, 1);
641 }
642
643 GtkPrintOperation * const printOp = native->GetPrintJob();
644
645 // If the settings are OK, we restore it.
646 if (settings != NULL)
647 gtk_print_operation_set_print_settings (printOp, settings);
648 gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
649
650 // Show the dialog if needed.
651 GError* gError = NULL;
652 if (GetShowDialog())
653 response = gtk_print_operation_run (printOp, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
654 else
655 response = gtk_print_operation_run (printOp, GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
656
657 // Does everything went well?
658 if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
659 {
660 return wxID_CANCEL;
661 }
662 else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
663 {
664 g_error_free (gError);
665 wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
666 return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
667 }
668
669 // Now get the settings and save it.
670 GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings(printOp);
671 native->SetPrintConfig(newSettings);
672 data.ConvertFromNative();
673
674 // Set PrintDialogData variables
675 m_printDialogData.SetPrintData(data);
676 m_printDialogData.SetCollate(data.GetCollate());
677 m_printDialogData.SetNoCopies(data.GetNoCopies());
678 m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
679
680 // Same problem as a few lines before.
681 switch (gtk_print_settings_get_print_pages(newSettings))
682 {
683 case GTK_PRINT_PAGES_CURRENT:
684 m_printDialogData.SetSelection( true );
685 break;
686 case GTK_PRINT_PAGES_RANGES:
687 {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
688 // 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
689 // will hit "OK" button. However we can only save 1-3 in the print data.
690 gint num_ranges = 0;
691 GtkPageRange* range;
692 range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
693 if (num_ranges >= 1)
694 {
695 m_printDialogData.SetFromPage( range[0].start );
696 m_printDialogData.SetToPage( range[0].end );
697 }
698 else {
699 m_printDialogData.SetAllPages( true );
700 m_printDialogData.SetFromPage( 0 );
701 m_printDialogData.SetToPage( 9999 );
702 }
703 break;}
704 case GTK_PRINT_PAGES_ALL:
705 default:
706 m_printDialogData.SetAllPages( true );
707 m_printDialogData.SetFromPage( 0 );
708 m_printDialogData.SetToPage( 9999 );
709 break;
710 }
711
712 return wxID_OK;
713 }
714
715 //----------------------------------------------------------------------------
716 // wxGtkPageSetupDialog
717 //----------------------------------------------------------------------------
718
719 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
720
721 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
722 wxPageSetupDialogData* data )
723 {
724 if (data)
725 m_pageDialogData = *data;
726
727 m_parent = parent;
728 }
729
730 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
731 {
732 }
733
734 int wxGtkPageSetupDialog::ShowModal()
735 {
736 // Get the config.
737 m_pageDialogData.GetPrintData().ConvertToNative();
738 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
739 GtkPrintSettings* nativeData = native->GetPrintConfig();
740
741 // We only need the pagesetup data which are part of the settings.
742 GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
743
744 // If the user used a custom paper format the last time he printed, we have to restore it too.
745 if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
746 {
747 wxSize customPaperSize = m_pageDialogData.GetPaperSize();
748 if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
749 {
750 wxString title = _("Custom size");
751 GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
752 gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
753 g_object_unref(customSize);
754 }
755 }
756
757
758 // Set selected printer
759 gtk_print_settings_set(nativeData, "format-for-printer",
760 gtk_print_settings_get_printer(nativeData));
761
762 // Create custom dialog
763 wxString title(GetTitle());
764 if ( title.empty() )
765 title = _("Page Setup");
766 GtkWidget *
767 dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
768 GTK_WINDOW(m_parent->m_widget));
769
770 gtk_page_setup_unix_dialog_set_print_settings(
771 GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
772 gtk_page_setup_unix_dialog_set_page_setup(
773 GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
774
775 int result = gtk_dialog_run(GTK_DIALOG(dlg));
776 gtk_widget_hide(dlg);
777
778 switch ( result )
779 {
780 case GTK_RESPONSE_OK:
781 case GTK_RESPONSE_APPLY:
782 {
783 // Store Selected Printer Name
784 gtk_print_settings_set_printer
785 (
786 nativeData,
787 gtk_print_settings_get(nativeData, "format-for-printer")
788 );
789
790 wxGtkObject<GtkPageSetup>
791 newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
792 GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
793 native->SetPageSetupToSettings(nativeData, newPageSetup);
794
795 m_pageDialogData.GetPrintData().ConvertFromNative();
796
797 // Store custom paper format if any.
798 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
799 {
800 gdouble ml,mr,mt,mb,pw,ph;
801 ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
802 mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
803 mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
804 mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
805
806 pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
807 ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
808
809 m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
810 (int)(mt+0.5)));
811 m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
812 (int)(mb+0.5)));
813
814 m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
815 (int)(ph+0.5)));
816 }
817
818 result = wxID_OK;
819 }
820 break;
821
822 default:
823 case GTK_RESPONSE_CANCEL:
824 result = wxID_CANCEL;
825 break;
826 }
827
828 gtk_widget_destroy(dlg);
829
830 return result;
831 }
832
833 //----------------------------------------------------------------------------
834 // wxGtkPrinter
835 //----------------------------------------------------------------------------
836
837 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
838
839 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
840 wxPrinterBase( data )
841 {
842 m_gpc = NULL;
843
844 if (data)
845 m_printDialogData = *data;
846 }
847
848 wxGtkPrinter::~wxGtkPrinter()
849 {
850 }
851
852 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
853 {
854 if (!printout)
855 {
856 sm_lastError = wxPRINTER_ERROR;
857 return false;
858 }
859
860 // Let's correct the PageInfo just in case the app gives wrong values.
861 int fromPage, toPage;
862 int minPage, maxPage;
863 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
864 m_printDialogData.SetAllPages(true);
865
866 if (minPage < 1) minPage = 1;
867 if (maxPage < 1) maxPage = 9999;
868 if (maxPage < minPage) maxPage = minPage;
869
870 m_printDialogData.SetMinPage(minPage);
871 m_printDialogData.SetMaxPage(maxPage);
872 if (fromPage != 0)
873 {
874 if (fromPage < minPage) fromPage = minPage;
875 else if (fromPage > maxPage) fromPage = maxPage;
876 m_printDialogData.SetFromPage(fromPage);
877 }
878 if (toPage != 0)
879 {
880 m_printDialogData.SetToPage(toPage);
881 if (toPage > maxPage) toPage = maxPage;
882 else if (toPage < minPage) toPage = minPage;
883 }
884
885 if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
886
887
888 wxPrintData printdata = GetPrintDialogData().GetPrintData();
889 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
890
891 GtkPrintOperation * const printOp = native->GetPrintJob();
892
893 wxPrinterToGtkData dataToSend;
894 dataToSend.printer = this;
895 dataToSend.printout = printout;
896
897 // These Gtk signals are caught here.
898 g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
899 g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
900 g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
901
902 // This is used to setup the DC and
903 // show the dialog if desired
904 wxGtkPrintDialog dialog( parent, &m_printDialogData );
905 dialog.SetPrintDC(m_dc);
906 dialog.SetShowDialog(prompt);
907
908 // doesn't necessarily show
909 int ret = dialog.ShowModal();
910 if (ret == wxID_CANCEL)
911 {
912 sm_lastError = wxPRINTER_CANCELLED;
913 }
914 if (ret == wxID_NO)
915 {
916 sm_lastError = wxPRINTER_ERROR;
917 wxFAIL_MSG(_("The print dialog returned an error."));
918 }
919
920 return (sm_lastError == wxPRINTER_NO_ERROR);
921 }
922
923 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
924 {
925 wxPrintData printdata = GetPrintDialogData().GetPrintData();
926 wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
927
928 // We need to update printdata with the new data from the dialog and we
929 // have to do this here because this method needs this new data and we
930 // cannot update it earlier
931 native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
932 printdata.ConvertFromNative();
933
934 SetPrintContext(context);
935 native->SetPrintContext( context );
936
937 wxPrinterDC *printDC = new wxPrinterDC( printdata );
938 m_dc = printDC;
939
940 if (!m_dc->IsOk())
941 {
942 if (sm_lastError != wxPRINTER_CANCELLED)
943 {
944 sm_lastError = wxPRINTER_ERROR;
945 wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
946 }
947 return;
948 }
949
950 printout->SetPPIScreen(wxGetDisplayPPI());
951 printout->SetPPIPrinter( printDC->GetResolution(),
952 printDC->GetResolution() );
953
954 printout->SetDC(m_dc);
955
956 int w, h;
957 m_dc->GetSize(&w, &h);
958 printout->SetPageSizePixels((int)w, (int)h);
959 printout->SetPaperRectPixels(wxRect(0, 0, w, h));
960 int mw, mh;
961 m_dc->GetSizeMM(&mw, &mh);
962 printout->SetPageSizeMM((int)mw, (int)mh);
963 printout->OnPreparePrinting();
964
965 // Get some parameters from the printout, if defined.
966 int fromPage, toPage;
967 int minPage, maxPage;
968 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
969
970 if (maxPage == 0)
971 {
972 sm_lastError = wxPRINTER_ERROR;
973 wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
974 return;
975 }
976
977 printout->OnBeginPrinting();
978
979 int numPages = 0;
980
981 // If we're not previewing we need to calculate the number of pages to print.
982 // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
983 // have defined in the dialog. So the number of pages is the maximum available.
984 if (!printout->IsPreview())
985 {
986 GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
987 switch (gtk_print_settings_get_print_pages(settings))
988 {
989 case GTK_PRINT_PAGES_CURRENT:
990 numPages = 1;
991 break;
992 case GTK_PRINT_PAGES_RANGES:
993 {gint num_ranges = 0;
994 GtkPageRange* range;
995 int i;
996 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
997 for (i=0; i<num_ranges; i++)
998 {
999 if (range[i].end < range[i].start) range[i].end = range[i].start;
1000 if (range[i].start < minPage-1) range[i].start = minPage-1;
1001 if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1002 if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1003 numPages += range[i].end - range[i].start + 1;
1004 }
1005 gtk_print_settings_set_page_ranges (settings, range, 1);
1006 break;}
1007 case GTK_PRINT_PAGES_ALL:
1008 default:
1009 numPages = maxPage - minPage + 1;
1010 break;
1011 }
1012 }
1013 else numPages = maxPage - minPage + 1;
1014
1015 gtk_print_operation_set_n_pages(operation, numPages);
1016 }
1017
1018 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1019 GtkPrintOperation *operation,
1020 GtkPrintContext * WXUNUSED(context),
1021 int page_nr)
1022 {
1023 int fromPage, toPage, minPage, maxPage, startPage, endPage;
1024 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1025
1026 int numPageToDraw = page_nr + minPage;
1027 if (numPageToDraw < minPage) numPageToDraw = minPage;
1028 if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1029
1030 GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1031 switch (gtk_print_settings_get_print_pages(settings))
1032 {
1033 case GTK_PRINT_PAGES_CURRENT:
1034 g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1035 g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1036 break;
1037 case GTK_PRINT_PAGES_RANGES:
1038 {gint num_ranges = 0;
1039 GtkPageRange* range;
1040 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1041 // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1042 if (num_ranges >= 1)
1043 {
1044 startPage = range[0].start + 1;
1045 endPage = range[0].end + 1;
1046 }
1047 else {
1048 startPage = minPage;
1049 endPage = maxPage;
1050 }
1051 break;}
1052 case GTK_PRINT_PAGES_ALL:
1053 default:
1054 startPage = minPage;
1055 endPage = maxPage;
1056 break;
1057 }
1058
1059 if(numPageToDraw == startPage)
1060 {
1061 if (!printout->OnBeginDocument(startPage, endPage))
1062 {
1063 wxLogError(_("Could not start printing."));
1064 sm_lastError = wxPRINTER_ERROR;
1065 }
1066 }
1067
1068 // The app can render the page numPageToDraw.
1069 if (printout->HasPage(numPageToDraw))
1070 {
1071 m_dc->StartPage();
1072 printout->OnPrintPage(numPageToDraw);
1073 m_dc->EndPage();
1074 }
1075
1076
1077 if(numPageToDraw == endPage)
1078 {
1079 printout->OnEndDocument();
1080 }
1081 }
1082
1083 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1084 {
1085 wxGtkPrintDialog dialog( parent, &m_printDialogData );
1086
1087 dialog.SetPrintDC(m_dc);
1088 dialog.SetShowDialog(true);
1089
1090 int ret = dialog.ShowModal();
1091
1092 if (ret == wxID_CANCEL)
1093 {
1094 sm_lastError = wxPRINTER_CANCELLED;
1095 return NULL;
1096 }
1097 if (ret == wxID_NO)
1098 {
1099 sm_lastError = wxPRINTER_ERROR;
1100 wxFAIL_MSG(_("The print dialog returned an error."));
1101 return NULL;
1102 }
1103
1104 m_printDialogData = dialog.GetPrintDialogData();
1105
1106 return new wxPrinterDC( m_printDialogData.GetPrintData() );
1107 }
1108
1109 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1110 {
1111 // Obsolete, for backward compatibility.
1112 return false;
1113 }
1114
1115 //-----------------------------------------------------------------------------
1116 // wxGtkPrinterDC
1117 //-----------------------------------------------------------------------------
1118
1119 #define wxCAIRO_SCALE 1
1120
1121 #if wxCAIRO_SCALE
1122
1123 #define XLOG2DEV(x) LogicalToDeviceX(x)
1124 #define XLOG2DEVREL(x) LogicalToDeviceXRel(x)
1125 #define YLOG2DEV(x) LogicalToDeviceY(x)
1126 #define YLOG2DEVREL(x) LogicalToDeviceYRel(x)
1127
1128 #else
1129
1130 #define XLOG2DEV(x) ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1131 #define XLOG2DEVREL(x) ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1132 #define YLOG2DEV(x) ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1133 #define YLOG2DEVREL(x) ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1134
1135 #endif
1136
1137 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1138
1139 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1140 : wxDCImpl( owner )
1141 {
1142 m_printData = data;
1143
1144 wxGtkPrintNativeData *native =
1145 (wxGtkPrintNativeData*) m_printData.GetNativeData();
1146
1147 m_gpc = native->GetPrintContext();
1148
1149 // Match print quality to resolution (high = 1200dpi)
1150 m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1151 if (m_resolution < 0)
1152 m_resolution = (1 << (m_resolution+4)) *150;
1153
1154 m_context = gtk_print_context_create_pango_context( m_gpc );
1155 m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1156 m_fontdesc = pango_font_description_from_string( "Sans 12" );
1157
1158 m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1159
1160 #if wxCAIRO_SCALE
1161 m_PS2DEV = 1.0;
1162 m_DEV2PS = 1.0;
1163
1164 cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1165 #else
1166 m_PS2DEV = (double)m_resolution / 72.0;
1167 m_DEV2PS = 72.0 / (double)m_resolution;
1168 #endif
1169
1170 m_currentRed = 0;
1171 m_currentBlue = 0;
1172 m_currentGreen = 0;
1173
1174 m_signX = 1; // default x-axis left to right.
1175 m_signY = 1; // default y-axis bottom up -> top down.
1176
1177 // By default the origin of the Cairo context is in the upper left
1178 // corner of the printable area. We need to translate it so that it
1179 // is in the upper left corner of the paper (without margins)
1180 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1181 gdouble ml, mt;
1182 ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1183 mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1184 cairo_translate(m_cairo, -ml, -mt);
1185 }
1186
1187 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1188 {
1189 g_object_unref(m_context);
1190 g_object_unref(m_layout);
1191 }
1192
1193 bool wxGtkPrinterDCImpl::IsOk() const
1194 {
1195 return m_gpc != NULL;
1196 }
1197
1198 void* wxGtkPrinterDCImpl::GetCairoContext() const
1199 {
1200 return (void*) cairo_reference( m_cairo );
1201 }
1202
1203 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1204 wxCoord WXUNUSED(y1),
1205 const wxColour& WXUNUSED(col),
1206 wxFloodFillStyle WXUNUSED(style))
1207 {
1208 // We can't access the given coord as a Cairo context is scalable, ie a
1209 // coord doesn't mean anything in this context.
1210 wxFAIL_MSG(_("not implemented"));
1211 return false;
1212 }
1213
1214 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1215 {
1216 wxCoord xC = circleCenter.x;
1217 wxCoord yC = circleCenter.y;
1218 wxCoord xR = rect.x;
1219 wxCoord yR = rect.y;
1220 wxCoord w = rect.width;
1221 wxCoord h = rect.height;
1222
1223 const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1224 double radius = sqrt(r2);
1225
1226 unsigned char redI = initialColour.Red();
1227 unsigned char blueI = initialColour.Blue();
1228 unsigned char greenI = initialColour.Green();
1229 unsigned char alphaI = initialColour.Alpha();
1230 unsigned char redD = destColour.Red();
1231 unsigned char blueD = destColour.Blue();
1232 unsigned char greenD = destColour.Green();
1233 unsigned char alphaD = destColour.Alpha();
1234
1235 double redIPS = (double)(redI) / 255.0;
1236 double blueIPS = (double)(blueI) / 255.0;
1237 double greenIPS = (double)(greenI) / 255.0;
1238 double alphaIPS = (double)(alphaI) / 255.0;
1239 double redDPS = (double)(redD) / 255.0;
1240 double blueDPS = (double)(blueD) / 255.0;
1241 double greenDPS = (double)(greenD) / 255.0;
1242 double alphaDPS = (double)(alphaD) / 255.0;
1243
1244 // Create a pattern with the gradient.
1245 cairo_pattern_t* gradient;
1246 gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1247 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1248 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1249
1250 // Fill the rectangle with this pattern.
1251 cairo_set_source(m_cairo, gradient);
1252 cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1253 cairo_fill(m_cairo);
1254
1255 cairo_pattern_destroy(gradient);
1256
1257 CalcBoundingBox(xR, yR);
1258 CalcBoundingBox(xR+w, yR+h);
1259 }
1260
1261 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1262 {
1263 wxCoord x = rect.x;
1264 wxCoord y = rect.y;
1265 wxCoord w = rect.width;
1266 wxCoord h = rect.height;
1267
1268 unsigned char redI = initialColour.Red();
1269 unsigned char blueI = initialColour.Blue();
1270 unsigned char greenI = initialColour.Green();
1271 unsigned char alphaI = initialColour.Alpha();
1272 unsigned char redD = destColour.Red();
1273 unsigned char blueD = destColour.Blue();
1274 unsigned char greenD = destColour.Green();
1275 unsigned char alphaD = destColour.Alpha();
1276
1277 double redIPS = (double)(redI) / 255.0;
1278 double blueIPS = (double)(blueI) / 255.0;
1279 double greenIPS = (double)(greenI) / 255.0;
1280 double alphaIPS = (double)(alphaI) / 255.0;
1281 double redDPS = (double)(redD) / 255.0;
1282 double blueDPS = (double)(blueD) / 255.0;
1283 double greenDPS = (double)(greenD) / 255.0;
1284 double alphaDPS = (double)(alphaD) / 255.0;
1285
1286 // Create a pattern with the gradient.
1287 cairo_pattern_t* gradient;
1288 gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1289
1290 if (nDirection == wxWEST)
1291 {
1292 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1293 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1294 }
1295 else {
1296 cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1297 cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1298 }
1299
1300 // Fill the rectangle with this pattern.
1301 cairo_set_source(m_cairo, gradient);
1302 cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1303 cairo_fill(m_cairo);
1304
1305 cairo_pattern_destroy(gradient);
1306
1307 CalcBoundingBox(x, y);
1308 CalcBoundingBox(x+w, y+h);
1309 }
1310
1311 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1312 wxCoord WXUNUSED(y1),
1313 wxColour * WXUNUSED(col)) const
1314 {
1315 wxFAIL_MSG(_("not implemented"));
1316 return false;
1317 }
1318
1319 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1320 {
1321 if ( m_pen.IsTransparent() )
1322 return;
1323
1324 SetPen( m_pen );
1325 cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1326 cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1327 cairo_stroke ( m_cairo );
1328
1329 CalcBoundingBox( x1, y1 );
1330 CalcBoundingBox( x2, y2 );
1331 }
1332
1333 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1334 {
1335 int w, h;
1336 DoGetSize(&w, &h);
1337
1338 SetPen(m_pen);
1339
1340 cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1341 cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1342 cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1343 cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1344
1345 cairo_stroke (m_cairo);
1346 CalcBoundingBox( 0, 0 );
1347 CalcBoundingBox( w, h );
1348 }
1349
1350 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1351 {
1352 double dx = x1 - xc;
1353 double dy = y1 - yc;
1354 double radius = sqrt((double)(dx*dx+dy*dy));
1355
1356 double alpha1, alpha2;
1357 if (x1 == x2 && y1 == y2)
1358 {
1359 alpha1 = 0.0;
1360 alpha2 = 360.0;
1361 }
1362 else
1363 if (radius == 0.0)
1364 {
1365 alpha1 = alpha2 = 0.0;
1366 }
1367 else
1368 {
1369 alpha1 = (x1 - xc == 0) ?
1370 (y1 - yc < 0) ? 90.0 : -90.0 :
1371 atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1372 alpha2 = (x2 - xc == 0) ?
1373 (y2 - yc < 0) ? 90.0 : -90.0 :
1374 atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1375
1376 while (alpha1 <= 0) alpha1 += 360;
1377 while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between.
1378 while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree.
1379 while (alpha2 > 360) alpha2 -= 360;
1380 }
1381
1382 alpha1 *= DEG2RAD;
1383 alpha2 *= DEG2RAD;
1384
1385 cairo_new_path(m_cairo);
1386
1387 cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1388 cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1389 cairo_close_path (m_cairo);
1390
1391 SetBrush( m_brush );
1392 cairo_fill_preserve( m_cairo );
1393
1394 SetPen (m_pen);
1395 cairo_stroke( m_cairo );
1396
1397 CalcBoundingBox (x1, y1);
1398 CalcBoundingBox (xc, yc);
1399 CalcBoundingBox (x2, y2);
1400 }
1401
1402 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1403 {
1404 cairo_save( m_cairo );
1405
1406 cairo_new_path(m_cairo);
1407
1408 cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1409 double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1410 cairo_scale( m_cairo, 1.0, scale );
1411
1412 cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1413
1414 SetPen (m_pen);
1415 cairo_stroke_preserve( m_cairo );
1416
1417 cairo_line_to(m_cairo, 0,0);
1418
1419 SetBrush( m_brush );
1420 cairo_fill( m_cairo );
1421
1422 cairo_restore( m_cairo );
1423
1424 CalcBoundingBox( x, y);
1425 CalcBoundingBox( x+w, y+h );
1426 }
1427
1428 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1429 {
1430 if ( m_pen.IsTransparent() )
1431 return;
1432
1433 SetPen( m_pen );
1434
1435 cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1436 cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1437 cairo_stroke ( m_cairo );
1438
1439 CalcBoundingBox( x, y );
1440 }
1441
1442 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1443 {
1444 if ( m_pen.IsTransparent() )
1445 return;
1446
1447
1448 if (n <= 0) return;
1449
1450 SetPen (m_pen);
1451
1452 int i;
1453 for ( i =0; i<n ; i++ )
1454 CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1455
1456 cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1457
1458 for (i = 1; i < n; i++)
1459 cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1460
1461 cairo_stroke ( m_cairo);
1462 }
1463
1464 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1465 wxCoord xoffset, wxCoord yoffset,
1466 wxPolygonFillMode fillStyle)
1467 {
1468 if (n==0) return;
1469
1470 cairo_save(m_cairo);
1471 if (fillStyle == wxWINDING_RULE)
1472 cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1473 else
1474 cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1475
1476 int x = points[0].x + xoffset;
1477 int y = points[0].y + yoffset;
1478 cairo_new_path(m_cairo);
1479 cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1480 int i;
1481 for (i = 1; i < n; i++)
1482 {
1483 int x = points[i].x + xoffset;
1484 int y = points[i].y + yoffset;
1485 cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1486 }
1487 cairo_close_path(m_cairo);
1488
1489 SetBrush( m_brush );
1490 cairo_fill_preserve( m_cairo );
1491
1492 SetPen (m_pen);
1493 cairo_stroke( m_cairo );
1494
1495 CalcBoundingBox( x, y );
1496
1497 cairo_restore(m_cairo);
1498 }
1499
1500 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1501 wxCoord xoffset, wxCoord yoffset,
1502 wxPolygonFillMode fillStyle)
1503 {
1504 wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1505 }
1506
1507 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1508 {
1509 width--;
1510 height--;
1511
1512 cairo_new_path(m_cairo);
1513 cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1514
1515 SetBrush( m_brush );
1516 cairo_fill_preserve( m_cairo );
1517
1518 SetPen (m_pen);
1519 cairo_stroke( m_cairo );
1520
1521 CalcBoundingBox( x, y );
1522 CalcBoundingBox( x + width, y + height );
1523 }
1524
1525 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1526 {
1527 width--;
1528 height--;
1529
1530 if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1531
1532 wxCoord dd = 2 * (wxCoord) radius;
1533 if (dd > width) dd = width;
1534 if (dd > height) dd = height;
1535 radius = dd / 2;
1536
1537 wxCoord rad = (wxCoord) radius;
1538
1539 cairo_new_path(m_cairo);
1540 cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1541 cairo_curve_to(m_cairo,
1542 XLOG2DEV(x + rad),YLOG2DEV(y),
1543 XLOG2DEV(x),YLOG2DEV(y),
1544 XLOG2DEV(x),YLOG2DEV(y + rad));
1545 cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1546 cairo_curve_to(m_cairo,
1547 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1548 XLOG2DEV(x),YLOG2DEV(y + height),
1549 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1550 cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1551 cairo_curve_to(m_cairo,
1552 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1553 XLOG2DEV(x + width),YLOG2DEV(y + height),
1554 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1555 cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1556 cairo_curve_to(m_cairo,
1557 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1558 XLOG2DEV(x + width),YLOG2DEV(y),
1559 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1560 cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1561 cairo_close_path(m_cairo);
1562
1563 SetBrush(m_brush);
1564 cairo_fill_preserve(m_cairo);
1565
1566 SetPen(m_pen);
1567 cairo_stroke(m_cairo);
1568
1569 CalcBoundingBox(x,y);
1570 CalcBoundingBox(x+width,y+height);
1571 }
1572
1573 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1574 {
1575 width--;
1576 height--;
1577
1578 cairo_save (m_cairo);
1579
1580 cairo_new_path(m_cairo);
1581
1582 cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1583 cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1584 cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1585
1586 SetBrush( m_brush );
1587 cairo_fill_preserve( m_cairo );
1588
1589 SetPen (m_pen);
1590 cairo_stroke( m_cairo );
1591
1592 CalcBoundingBox( x, y );
1593 CalcBoundingBox( x + width, y + height );
1594
1595 cairo_restore (m_cairo);
1596 }
1597
1598 #if wxUSE_SPLINES
1599 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1600 {
1601 SetPen (m_pen);
1602
1603 double c, d, x1, y1, x2, y2, x3, y3;
1604 wxPoint *p, *q;
1605
1606 wxPointList::compatibility_iterator node = points->GetFirst();
1607 p = node->GetData();
1608 x1 = p->x;
1609 y1 = p->y;
1610
1611 node = node->GetNext();
1612 p = node->GetData();
1613 c = p->x;
1614 d = p->y;
1615 x3 =
1616 (double)(x1 + c) / 2;
1617 y3 =
1618 (double)(y1 + d) / 2;
1619
1620 cairo_new_path( m_cairo );
1621 cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1622 cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1623
1624 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1625 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1626
1627 node = node->GetNext();
1628 while (node)
1629 {
1630 q = node->GetData();
1631
1632 x1 = x3;
1633 y1 = y3;
1634 x2 = c;
1635 y2 = d;
1636 c = q->x;
1637 d = q->y;
1638 x3 = (double)(x2 + c) / 2;
1639 y3 = (double)(y2 + d) / 2;
1640
1641 cairo_curve_to(m_cairo,
1642 XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1643 XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1644 XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1645
1646 CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1647 CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1648
1649 node = node->GetNext();
1650 }
1651
1652 cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1653
1654 cairo_stroke( m_cairo );
1655 }
1656 #endif // wxUSE_SPLINES
1657
1658 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1659 wxCoord width, wxCoord height,
1660 wxDC *source, wxCoord xsrc, wxCoord ysrc,
1661 wxRasterOperationMode rop, bool useMask,
1662 wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1663 wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1664 {
1665 wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1666 wxT("mask coordinates are not supported") );
1667
1668 wxCHECK_MSG( source, false, wxT("invalid source dc") );
1669
1670 // Blit into a bitmap.
1671 wxBitmap bitmap( width, height );
1672 wxMemoryDC memDC;
1673 memDC.SelectObject(bitmap);
1674 memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1675 memDC.SelectObject(wxNullBitmap);
1676
1677 // Draw bitmap. scaling and positioning is done there.
1678 GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1679
1680 return true;
1681 }
1682
1683 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1684 {
1685 DoDrawBitmap( icon, x, y, true );
1686 }
1687
1688 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1689 {
1690 wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1691
1692 x = wxCoord(XLOG2DEV(x));
1693 y = wxCoord(YLOG2DEV(y));
1694 int bw = bitmap.GetWidth();
1695 int bh = bitmap.GetHeight();
1696 wxBitmap bmpSource = bitmap; // we need a non-const instance.
1697 if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1698 bmpSource.SetMask(NULL);
1699
1700 cairo_save(m_cairo);
1701
1702 // Prepare to draw the image.
1703 cairo_translate(m_cairo, x, y);
1704
1705 // Scale the image
1706 wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1707 wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1708 cairo_scale(m_cairo, scaleX, scaleY);
1709
1710 gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1711 cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1712 // Use the original size here since the context is scaled already.
1713 cairo_rectangle(m_cairo, 0, 0, bw, bh);
1714 // Fill the rectangle using the pattern.
1715 cairo_fill(m_cairo);
1716
1717 CalcBoundingBox(0,0);
1718 CalcBoundingBox(bw,bh);
1719
1720 cairo_restore(m_cairo);
1721 }
1722
1723 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1724 {
1725 DoDrawRotatedText( text, x, y, 0.0 );
1726 }
1727
1728 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1729 {
1730 double xx = XLOG2DEV(x);
1731 double yy = YLOG2DEV(y);
1732
1733 angle = -angle;
1734
1735 bool underlined = m_font.Ok() && m_font.GetUnderlined();
1736
1737 const wxScopedCharBuffer data = text.utf8_str();
1738
1739 size_t datalen = strlen(data);
1740 pango_layout_set_text( m_layout, data, datalen);
1741
1742 if (underlined)
1743 {
1744 PangoAttrList *attrs = pango_attr_list_new();
1745 PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1746 a->start_index = 0;
1747 a->end_index = datalen;
1748 pango_attr_list_insert(attrs, a);
1749 pango_layout_set_attributes(m_layout, attrs);
1750 pango_attr_list_unref(attrs);
1751 }
1752
1753 if (m_textForegroundColour.Ok())
1754 {
1755 unsigned char red = m_textForegroundColour.Red();
1756 unsigned char blue = m_textForegroundColour.Blue();
1757 unsigned char green = m_textForegroundColour.Green();
1758 unsigned char alpha = m_textForegroundColour.Alpha();
1759
1760 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1761 {
1762 double redPS = (double)(red) / 255.0;
1763 double bluePS = (double)(blue) / 255.0;
1764 double greenPS = (double)(green) / 255.0;
1765 double alphaPS = (double)(alpha) / 255.0;
1766
1767 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1768
1769 m_currentRed = red;
1770 m_currentBlue = blue;
1771 m_currentGreen = green;
1772 m_currentAlpha = alpha;
1773 }
1774 }
1775
1776 // Draw layout.
1777 cairo_move_to (m_cairo, xx, yy);
1778
1779 cairo_save( m_cairo );
1780
1781 if (fabs(angle) > 0.00001)
1782 cairo_rotate( m_cairo, angle*DEG2RAD );
1783
1784 cairo_scale(m_cairo, m_scaleX, m_scaleY);
1785
1786 int w,h;
1787 pango_layout_get_pixel_size( m_layout, &w, &h );
1788
1789 if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1790 {
1791 unsigned char red = m_textBackgroundColour.Red();
1792 unsigned char blue = m_textBackgroundColour.Blue();
1793 unsigned char green = m_textBackgroundColour.Green();
1794 unsigned char alpha = m_textBackgroundColour.Alpha();
1795
1796 double redPS = (double)(red) / 255.0;
1797 double bluePS = (double)(blue) / 255.0;
1798 double greenPS = (double)(green) / 255.0;
1799 double alphaPS = (double)(alpha) / 255.0;
1800
1801 cairo_save(m_cairo);
1802 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1803 cairo_rectangle(m_cairo, 0, 0, w, h); // still in cairo units
1804 cairo_fill(m_cairo);
1805 cairo_restore(m_cairo);
1806 }
1807
1808 pango_cairo_update_layout (m_cairo, m_layout);
1809 pango_cairo_show_layout (m_cairo, m_layout);
1810
1811 cairo_restore( m_cairo );
1812
1813 if (underlined)
1814 {
1815 // Undo underline attributes setting
1816 pango_layout_set_attributes(m_layout, NULL);
1817 }
1818
1819 // Back to device units:
1820 CalcBoundingBox (x, y);
1821 CalcBoundingBox (x + w, y + h);
1822 }
1823
1824 void wxGtkPrinterDCImpl::Clear()
1825 {
1826 // Clear does nothing for printing, but keep the code
1827 // for later reuse
1828 /*
1829 cairo_save(m_cairo);
1830 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1831 SetBrush(m_backgroundBrush);
1832 cairo_paint(m_cairo);
1833 cairo_restore(m_cairo);
1834 */
1835 }
1836
1837 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1838 {
1839 m_font = font;
1840
1841 if (m_font.Ok())
1842 {
1843 if (m_fontdesc)
1844 pango_font_description_free( m_fontdesc );
1845
1846 m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1847
1848 float size = pango_font_description_get_size( m_fontdesc );
1849 size = size * GetFontPointSizeAdjustment(72.0);
1850 pango_font_description_set_size( m_fontdesc, (gint)size );
1851
1852 pango_layout_set_font_description( m_layout, m_fontdesc );
1853 }
1854 }
1855
1856 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1857 {
1858 if (!pen.Ok()) return;
1859
1860 m_pen = pen;
1861
1862 double width;
1863
1864 if (m_pen.GetWidth() <= 0)
1865 width = 0.1;
1866 else
1867 width = (double) m_pen.GetWidth();
1868
1869 cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1870 static const double dotted[] = {2.0, 5.0};
1871 static const double short_dashed[] = {4.0, 4.0};
1872 static const double long_dashed[] = {4.0, 8.0};
1873 static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1874
1875 switch (m_pen.GetStyle())
1876 {
1877 case wxPENSTYLE_DOT: cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1878 case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1879 case wxPENSTYLE_LONG_DASH: cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1880 case wxPENSTYLE_DOT_DASH: cairo_set_dash( m_cairo, dotted_dashed, 4, 0 ); break;
1881 case wxPENSTYLE_USER_DASH:
1882 {
1883 wxDash *wx_dashes;
1884 int num = m_pen.GetDashes (&wx_dashes);
1885 gdouble *g_dashes = g_new( gdouble, num );
1886 int i;
1887 for (i = 0; i < num; ++i)
1888 g_dashes[i] = (gdouble) wx_dashes[i];
1889 cairo_set_dash( m_cairo, g_dashes, num, 0);
1890 g_free( g_dashes );
1891 }
1892 break;
1893 case wxPENSTYLE_SOLID:
1894 case wxPENSTYLE_TRANSPARENT:
1895 default: cairo_set_dash( m_cairo, NULL, 0, 0 ); break;
1896 }
1897
1898 switch (m_pen.GetCap())
1899 {
1900 case wxCAP_PROJECTING: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1901 case wxCAP_BUTT: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1902 case wxCAP_ROUND:
1903 default: cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1904 }
1905
1906 switch (m_pen.GetJoin())
1907 {
1908 case wxJOIN_BEVEL: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1909 case wxJOIN_MITER: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1910 case wxJOIN_ROUND:
1911 default: cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1912 }
1913
1914 unsigned char red = m_pen.GetColour().Red();
1915 unsigned char blue = m_pen.GetColour().Blue();
1916 unsigned char green = m_pen.GetColour().Green();
1917 unsigned char alpha = m_pen.GetColour().Alpha();
1918
1919 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1920 {
1921 double redPS = (double)(red) / 255.0;
1922 double bluePS = (double)(blue) / 255.0;
1923 double greenPS = (double)(green) / 255.0;
1924 double alphaPS = (double)(alpha) / 255.0;
1925
1926 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1927
1928 m_currentRed = red;
1929 m_currentBlue = blue;
1930 m_currentGreen = green;
1931 m_currentAlpha = alpha;
1932 }
1933 }
1934
1935 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1936 {
1937 if (!brush.Ok()) return;
1938
1939 m_brush = brush;
1940
1941 if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1942 {
1943 cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1944 m_currentRed = 0;
1945 m_currentBlue = 0;
1946 m_currentGreen = 0;
1947 m_currentAlpha = 0;
1948 return;
1949 }
1950
1951 // Brush colour.
1952 unsigned char red = m_brush.GetColour().Red();
1953 unsigned char blue = m_brush.GetColour().Blue();
1954 unsigned char green = m_brush.GetColour().Green();
1955 unsigned char alpha = m_brush.GetColour().Alpha();
1956
1957 double redPS = (double)(red) / 255.0;
1958 double bluePS = (double)(blue) / 255.0;
1959 double greenPS = (double)(green) / 255.0;
1960 double alphaPS = (double)(alpha) / 255.0;
1961
1962 if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1963 {
1964 cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1965
1966 m_currentRed = red;
1967 m_currentBlue = blue;
1968 m_currentGreen = green;
1969 m_currentAlpha = alpha;
1970 }
1971
1972 if (m_brush.IsHatch())
1973 {
1974 cairo_t * cr;
1975 cairo_surface_t *surface;
1976 surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1977 cr = cairo_create(surface);
1978 cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1979 cairo_set_line_width(cr, 1);
1980 cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1981
1982 switch (m_brush.GetStyle())
1983 {
1984 case wxBRUSHSTYLE_CROSS_HATCH:
1985 cairo_move_to(cr, 5, 0);
1986 cairo_line_to(cr, 5, 10);
1987 cairo_move_to(cr, 0, 5);
1988 cairo_line_to(cr, 10, 5);
1989 break;
1990 case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1991 cairo_move_to(cr, 0, 10);
1992 cairo_line_to(cr, 10, 0);
1993 break;
1994 case wxBRUSHSTYLE_FDIAGONAL_HATCH:
1995 cairo_move_to(cr, 0, 0);
1996 cairo_line_to(cr, 10, 10);
1997 break;
1998 case wxBRUSHSTYLE_CROSSDIAG_HATCH:
1999 cairo_move_to(cr, 0, 0);
2000 cairo_line_to(cr, 10, 10);
2001 cairo_move_to(cr, 10, 0);
2002 cairo_line_to(cr, 0, 10);
2003 break;
2004 case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2005 cairo_move_to(cr, 0, 5);
2006 cairo_line_to(cr, 10, 5);
2007 break;
2008 case wxBRUSHSTYLE_VERTICAL_HATCH:
2009 cairo_move_to(cr, 5, 0);
2010 cairo_line_to(cr, 5, 10);
2011 break;
2012 default:
2013 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2014 }
2015
2016 cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2017 cairo_stroke (cr);
2018
2019 cairo_destroy(cr);
2020 cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2021 cairo_surface_destroy(surface);
2022 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2023 cairo_set_source(m_cairo, pattern);
2024 cairo_pattern_destroy(pattern);
2025 }
2026 }
2027
2028 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2029 {
2030 if (function == wxCLEAR)
2031 cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2032 else if (function == wxOR)
2033 cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2034 else if (function == wxNO_OP)
2035 cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2036 else if (function == wxAND)
2037 cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2038 else if (function == wxSET)
2039 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2040 else if (function == wxXOR)
2041 cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2042 else // wxCOPY or anything else.
2043 cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2044 }
2045
2046 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2047 {
2048 m_backgroundBrush = brush;
2049 cairo_save(m_cairo);
2050 cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2051
2052 SetBrush(m_backgroundBrush);
2053 cairo_paint(m_cairo);
2054 cairo_restore(m_cairo);
2055 }
2056
2057 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2058 {
2059 if (mode == wxBRUSHSTYLE_SOLID)
2060 m_backgroundMode = wxBRUSHSTYLE_SOLID;
2061 else
2062 m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2063 }
2064
2065 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2066 {
2067 cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2068 cairo_clip(m_cairo);
2069 }
2070
2071 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2072 {
2073 cairo_reset_clip(m_cairo);
2074 }
2075
2076 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2077 {
2078 return true;
2079 }
2080
2081 void wxGtkPrinterDCImpl::EndDoc()
2082 {
2083 return;
2084 }
2085
2086 void wxGtkPrinterDCImpl::StartPage()
2087 {
2088 return;
2089 }
2090
2091 void wxGtkPrinterDCImpl::EndPage()
2092 {
2093 return;
2094 }
2095
2096 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2097 {
2098 pango_layout_set_text( m_layout, "H", 1 );
2099
2100 int w,h;
2101 pango_layout_get_pixel_size( m_layout, &w, &h );
2102
2103 return wxRound( h * m_PS2DEV );
2104 }
2105
2106 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2107 {
2108 pango_layout_set_text( m_layout, "H", 1 );
2109
2110 int w,h;
2111 pango_layout_get_pixel_size( m_layout, &w, &h );
2112
2113 return wxRound( w * m_PS2DEV );
2114 }
2115
2116 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2117 wxCoord *descent,
2118 wxCoord *externalLeading,
2119 const wxFont *theFont ) const
2120 {
2121 if ( width )
2122 *width = 0;
2123 if ( height )
2124 *height = 0;
2125 if ( descent )
2126 *descent = 0;
2127 if ( externalLeading )
2128 *externalLeading = 0;
2129
2130 if (string.empty())
2131 {
2132 return;
2133 }
2134
2135 cairo_save( m_cairo );
2136 cairo_scale(m_cairo, m_scaleX, m_scaleY);
2137
2138 // Set layout's text
2139 const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2140
2141 gint oldSize=0;
2142 if ( theFont )
2143 {
2144 // scale the font and apply it
2145 PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2146 float size = pango_font_description_get_size(desc);
2147 size = size * GetFontPointSizeAdjustment(72.0);
2148 pango_font_description_set_size(desc, (gint)size);
2149
2150 pango_layout_set_font_description(m_layout, desc);
2151 }
2152
2153 pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2154
2155 int h;
2156 pango_layout_get_pixel_size( m_layout, width, &h );
2157 if ( height )
2158 *height = h;
2159
2160 if (descent)
2161 {
2162 PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2163 int baseline = pango_layout_iter_get_baseline(iter);
2164 pango_layout_iter_free(iter);
2165 *descent = h - PANGO_PIXELS(baseline);
2166 }
2167
2168 if ( theFont )
2169 {
2170 // restore font and reset font's size back
2171 pango_layout_set_font_description(m_layout, m_fontdesc);
2172
2173 PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2174 pango_font_description_set_size(desc, oldSize);
2175 }
2176
2177 cairo_restore( m_cairo );
2178 }
2179
2180 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2181 {
2182 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2183
2184 if (width)
2185 *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2186 if (height)
2187 *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2188 }
2189
2190 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2191 {
2192 GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2193
2194 if (width)
2195 *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2196 if (height)
2197 *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2198 }
2199
2200 wxSize wxGtkPrinterDCImpl::GetPPI() const
2201 {
2202 return wxSize( (int)m_resolution, (int)m_resolution );
2203 }
2204
2205 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2206 {
2207 m_printData = data;
2208 }
2209
2210 // overriden for wxPrinterDC Impl
2211
2212 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2213 {
2214 // Does GtkPrint support printer margins?
2215 int w = 0;
2216 int h = 0;
2217 DoGetSize( &w, &h );
2218 return wxRect( 0,0,w,h );
2219 }
2220
2221 int wxGtkPrinterDCImpl::GetResolution() const
2222 {
2223 return m_resolution;
2224 }
2225
2226 // ----------------------------------------------------------------------------
2227 // Print preview
2228 // ----------------------------------------------------------------------------
2229
2230 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2231
2232 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2233 wxPrintout * WXUNUSED(printoutForPrinting),
2234 wxPrintData *data)
2235 {
2236 // convert wxPrintQuality to resolution (input pointer can be NULL)
2237 wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2238 switch ( quality )
2239 {
2240 case wxPRINT_QUALITY_HIGH:
2241 m_resolution = 1200;
2242 break;
2243
2244 case wxPRINT_QUALITY_LOW:
2245 m_resolution = 300;
2246 break;
2247
2248 case wxPRINT_QUALITY_DRAFT:
2249 m_resolution = 150;
2250 break;
2251
2252 default:
2253 if ( quality > 0 )
2254 {
2255 // positive values directly indicate print resolution
2256 m_resolution = quality;
2257 break;
2258 }
2259
2260 wxFAIL_MSG( "unknown print quality" );
2261 // fall through
2262
2263 case wxPRINT_QUALITY_MEDIUM:
2264 m_resolution = 600;
2265 break;
2266
2267 }
2268
2269 DetermineScaling();
2270 }
2271
2272 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2273 wxPrintout *printoutForPrinting,
2274 wxPrintDialogData *data)
2275 : wxPrintPreviewBase(printout, printoutForPrinting, data)
2276 {
2277 Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2278 }
2279
2280 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2281 wxPrintout *printoutForPrinting,
2282 wxPrintData *data)
2283 : wxPrintPreviewBase(printout, printoutForPrinting, data)
2284 {
2285 Init(printout, printoutForPrinting, data);
2286 }
2287
2288 wxGtkPrintPreview::~wxGtkPrintPreview()
2289 {
2290 }
2291
2292 bool wxGtkPrintPreview::Print(bool interactive)
2293 {
2294 if (!m_printPrintout)
2295 return false;
2296
2297 wxPrinter printer(& m_printDialogData);
2298 return printer.Print(m_previewFrame, m_printPrintout, interactive);
2299 }
2300
2301 void wxGtkPrintPreview::DetermineScaling()
2302 {
2303 wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2304
2305 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2306 if (!paper)
2307 paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2308
2309 if (paper)
2310 {
2311 const wxSize screenPPI = wxGetDisplayPPI();
2312 int logPPIScreenX = screenPPI.GetWidth();
2313 int logPPIScreenY = screenPPI.GetHeight();
2314 int logPPIPrinterX = m_resolution;
2315 int logPPIPrinterY = m_resolution;
2316
2317 m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2318 m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2319
2320 // Get width and height in points (1/72th of an inch)
2321 wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2322 sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2323 sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2324
2325 wxSize sizeTenthsMM(paper->GetSize());
2326 wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2327
2328 // If in landscape mode, we need to swap the width and height.
2329 if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2330 {
2331 m_pageWidth = sizeDevUnits.y;
2332 m_pageHeight = sizeDevUnits.x;
2333 m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2334 }
2335 else
2336 {
2337 m_pageWidth = sizeDevUnits.x;
2338 m_pageHeight = sizeDevUnits.y;
2339 m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2340 }
2341 m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2342 m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2343
2344 // At 100%, the page should look about page-size on the screen.
2345 m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2346 m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2347 }
2348 }
2349
2350 #endif
2351 // wxUSE_GTKPRINT