]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/common/prntbase.cpp
wxDirDialog now has the same ctor under all platforms and also uses the
[wxWidgets.git] / src / common / prntbase.cpp
... / ...
CommitLineData
1/////////////////////////////////////////////////////////////////////////////
2// Name: prntbase.cpp
3// Purpose: Printing framework base class implementation
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart and Markus Holzem
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "prntbase.h"
14#endif
15
16// For compilers that support precompilation, includes "wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#endif
22
23#include "wx/defs.h"
24
25#if wxUSE_PRINTING_ARCHITECTURE
26
27#ifndef WX_PRECOMP
28#include "wx/utils.h"
29#include "wx/dc.h"
30#include "wx/app.h"
31#include "wx/msgdlg.h"
32#include "wx/layout.h"
33#include "wx/choice.h"
34#include "wx/button.h"
35#include "wx/settings.h"
36#include "wx/dcmemory.h"
37#include "wx/stattext.h"
38#include "wx/intl.h"
39#endif
40
41#include "wx/prntbase.h"
42#include "wx/dcprint.h"
43#include "wx/printdlg.h"
44#include "wx/module.h"
45
46#include <stdlib.h>
47#include <string.h>
48
49#include <wx/sizer.h>
50
51#ifdef __WXMSW__
52 #include "wx/msw/private.h"
53 #include <commdlg.h>
54
55 #ifndef __WIN32__
56 #include <print.h>
57 #endif
58#endif // __WXMSW__
59
60IMPLEMENT_CLASS(wxPrinterBase, wxObject)
61IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
62IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
63IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
64IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
65IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
66
67BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
68 EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
69END_EVENT_TABLE()
70
71BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
72 EVT_PAINT(wxPreviewCanvas::OnPaint)
73 EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
74END_EVENT_TABLE()
75
76/*
77* Printer
78*/
79
80wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
81{
82 m_currentPrintout = (wxPrintout *) NULL;
83 sm_abortWindow = (wxWindow *) NULL;
84 sm_abortIt = FALSE;
85 if (data)
86 m_printDialogData = (*data);
87 sm_lastError = wxPRINTER_NO_ERROR;
88}
89
90wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
91bool wxPrinterBase::sm_abortIt = FALSE;
92wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
93
94wxPrinterBase::~wxPrinterBase()
95{
96}
97
98void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
99{
100 wxPrinterBase::sm_abortIt = TRUE;
101 wxPrinterBase::sm_abortWindow->Show(FALSE);
102 wxPrinterBase::sm_abortWindow->Close(TRUE);
103 wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
104}
105
106wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout)
107{
108 wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
109
110 wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL );
111 button_sizer->Add( new wxStaticText(dialog, -1, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 );
112 button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 );
113
114 dialog->SetAutoLayout( TRUE );
115 dialog->SetSizer( button_sizer );
116
117 button_sizer->Fit(dialog);
118 button_sizer->SetSizeHints (dialog) ;
119
120 return dialog;
121}
122
123void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message)
124{
125 wxMessageBox(message, _("Printing Error"), wxOK, parent);
126}
127
128/*
129* Printout class
130*/
131
132wxPrintout::wxPrintout(const wxString& title)
133{
134 m_printoutTitle = title ;
135 m_printoutDC = (wxDC *) NULL;
136 m_pageWidthMM = 0;
137 m_pageHeightMM = 0;
138 m_pageWidthPixels = 0;
139 m_pageHeightPixels = 0;
140 m_PPIScreenX = 0;
141 m_PPIScreenY = 0;
142 m_PPIPrinterX = 0;
143 m_PPIPrinterY = 0;
144 m_isPreview = FALSE;
145}
146
147wxPrintout::~wxPrintout()
148{
149}
150
151bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
152{
153 return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);
154}
155
156void wxPrintout::OnEndDocument()
157{
158 GetDC()->EndDoc();
159}
160
161void wxPrintout::OnBeginPrinting()
162{
163}
164
165void wxPrintout::OnEndPrinting()
166{
167}
168
169bool wxPrintout::HasPage(int page)
170{
171 return (page == 1);
172}
173
174void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
175{
176 *minPage = 1;
177 *maxPage = 32000;
178 *fromPage = 1;
179 *toPage = 1;
180}
181
182/*
183* Preview canvas
184*/
185
186wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
187 const wxPoint& pos, const wxSize& size, long style, const wxString& name):
188wxScrolledWindow(parent, -1, pos, size, style, name)
189{
190 m_printPreview = preview;
191 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
192
193 SetScrollbars(15, 18, 100, 100);
194}
195
196wxPreviewCanvas::~wxPreviewCanvas()
197{
198}
199
200void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
201{
202 wxPaintDC dc(this);
203 PrepareDC( dc );
204
205/*
206#ifdef __WXGTK__
207 if (!GetUpdateRegion().IsEmpty())
208 dc.SetClippingRegion( GetUpdateRegion() );
209#endif
210*/
211
212 if (m_printPreview)
213 {
214 m_printPreview->PaintPage(this, dc);
215 }
216}
217
218// Responds to colour changes, and passes event on to children.
219void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
220{
221 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
222 Refresh();
223
224 // Propagate the event to the non-top-level children
225 wxWindow::OnSysColourChanged(event);
226}
227
228/*
229* Preview control bar
230*/
231
232BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
233 EVT_BUTTON(wxID_PREVIEW_CLOSE, wxPreviewControlBar::OnWindowClose)
234 EVT_BUTTON(wxID_PREVIEW_PRINT, wxPreviewControlBar::OnPrint)
235 EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
236 EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNextButton)
237 EVT_CHAR(wxPreviewControlBar::OnChar)
238 EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom)
239 EVT_PAINT(wxPreviewControlBar::OnPaint)
240END_EVENT_TABLE()
241
242wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
243 wxWindow *parent, const wxPoint& pos, const wxSize& size,
244 long style, const wxString& name):
245wxPanel(parent, -1, pos, size, style, name)
246{
247 m_printPreview = preview;
248 m_closeButton = (wxButton *) NULL;
249 m_nextPageButton = (wxButton *) NULL;
250 m_previousPageButton = (wxButton *) NULL;
251 m_printButton = (wxButton *) NULL;
252 m_zoomControl = (wxChoice *) NULL;
253 m_buttonFlags = buttons;
254}
255
256wxPreviewControlBar::~wxPreviewControlBar()
257{
258}
259
260void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
261{
262 wxPaintDC dc(this);
263
264 int w, h;
265 GetSize(&w, &h);
266 dc.SetPen(*wxBLACK_PEN);
267 dc.SetBrush(*wxTRANSPARENT_BRUSH);
268 dc.DrawLine( 0, h-1, w, h-1 );
269}
270
271void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
272{
273 wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
274 frame->Close(TRUE);
275}
276
277void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event))
278{
279 wxPrintPreviewBase *preview = GetPrintPreview();
280 preview->Print(TRUE);
281}
282
283void wxPreviewControlBar::OnChar(wxKeyEvent &event)
284{
285 switch(event.KeyCode())
286 {
287 case WXK_NEXT:
288 OnNext(); break;
289 case WXK_PRIOR:
290 OnPrevious(); break;
291 default:
292 event.Skip();
293 }
294}
295
296void wxPreviewControlBar::OnNext(void)
297{
298 wxPrintPreviewBase *preview = GetPrintPreview();
299 if (preview)
300 {
301 int currentPage = preview->GetCurrentPage();
302 if ((preview->GetMaxPage() > 0) &&
303 (currentPage < preview->GetMaxPage()) &&
304 preview->GetPrintout()->HasPage(currentPage + 1))
305 {
306 preview->SetCurrentPage(currentPage + 1);
307 }
308 }
309}
310
311void wxPreviewControlBar::OnPrevious(void)
312{
313 wxPrintPreviewBase *preview = GetPrintPreview();
314 if (preview)
315 {
316 int currentPage = preview->GetCurrentPage();
317 if ((preview->GetMinPage() > 0) &&
318 (currentPage > preview->GetMinPage()) &&
319 preview->GetPrintout()->HasPage(currentPage - 1))
320 {
321 preview->SetCurrentPage(currentPage - 1);
322 }
323 }
324}
325
326void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
327{
328 int zoom = GetZoomControl();
329 if (GetPrintPreview())
330 GetPrintPreview()->SetZoom(zoom);
331}
332
333void wxPreviewControlBar::CreateButtons()
334{
335 SetSize(0, 0, 400, 40);
336
337 /*
338 #ifdef __WXMSW__
339 int fontSize = 9;
340 #else
341 int fontSize = 10;
342 #endif
343
344 wxFont buttonFont(fontSize, wxSWISS, wxNORMAL, wxBOLD);
345 SetFont(buttonFont);
346 */
347
348 int buttonWidth = 65;
349#ifdef __WXGTK__
350 int buttonHeight = -1;
351#else
352 int buttonHeight = 24;
353#endif
354
355 int x = 5;
356 int y = 5;
357
358#ifdef __WXMOTIF__
359 int gap = 15;
360#else
361 int gap = 5;
362#endif
363
364 m_closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, _("Close"),
365 wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
366
367 x += gap + buttonWidth;
368
369 if (m_buttonFlags & wxPREVIEW_PRINT)
370 {
371 m_printButton = new wxButton(this, wxID_PREVIEW_PRINT, _("Print..."), wxPoint(x, y),
372 wxSize(buttonWidth, buttonHeight));
373 x += gap + buttonWidth;
374 }
375
376 if (m_buttonFlags & wxPREVIEW_PREVIOUS)
377 {
378 m_previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, wxT("<<"), wxPoint(x, y),
379 wxSize(buttonWidth, buttonHeight));
380 x += gap + buttonWidth;
381 }
382
383 if (m_buttonFlags & wxPREVIEW_NEXT)
384 {
385 m_nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, wxT(">>"),
386 wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
387 x += gap + buttonWidth;
388 }
389
390 if (m_buttonFlags & wxPREVIEW_ZOOM)
391 {
392 static const char *choices[] =
393 {
394 "10%", "15%", "20%", "25%", "30%", "35%", "40%", "45%", "50%", "55%",
395 "60%", "65%", "70%", "75%", "80%", "85%", "90%", "95%", "100%", "110%",
396 "120%", "150%", "200%"
397 };
398
399 int n = WXSIZEOF(choices);
400
401 wxString* strings = new wxString[n];
402 int i;
403 for (i = 0; i < n; i++ )
404 strings[i] = choices[i];
405
406 m_zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM,
407 wxPoint(x, y),
408 wxSize(100, -1),
409 n,
410 strings
411 );
412 delete[] strings;
413
414 SetZoomControl(m_printPreview->GetZoom());
415 }
416
417 // m_closeButton->SetDefault();
418}
419
420void wxPreviewControlBar::SetZoomControl(int zoom)
421{
422 char buf[20];
423 sprintf(buf, "%d%%", zoom);
424// Someone is calling methods that do no exist in wxChoice!! So I'll just comment out for VA for now
425 if (m_zoomControl)
426 m_zoomControl->SetStringSelection(buf);
427}
428
429int wxPreviewControlBar::GetZoomControl()
430{
431 wxChar buf[20];
432 if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxT("")))
433 {
434 wxStrcpy(buf, m_zoomControl->GetStringSelection());
435 buf[wxStrlen(buf) - 1] = 0;
436 return (int)wxAtoi(buf);
437 }
438 else return 0;
439}
440
441
442/*
443* Preview frame
444*/
445
446BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
447 EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
448END_EVENT_TABLE()
449
450wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxFrame *parent, const wxString& title,
451 const wxPoint& pos, const wxSize& size, long style, const wxString& name):
452wxFrame(parent, -1, title, pos, size, style, name)
453{
454 m_printPreview = preview;
455 m_controlBar = NULL;
456 m_previewCanvas = NULL;
457}
458
459wxPreviewFrame::~wxPreviewFrame()
460{
461}
462
463void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
464{
465 MakeModal(FALSE);
466
467 // Need to delete the printout and the print preview
468 wxPrintout *printout = m_printPreview->GetPrintout();
469 if (printout)
470 {
471 delete printout;
472 m_printPreview->SetPrintout(NULL);
473 m_printPreview->SetCanvas(NULL);
474 m_printPreview->SetFrame(NULL);
475 }
476 delete m_printPreview;
477
478 Destroy();
479}
480
481void wxPreviewFrame::Initialize()
482{
483 CreateStatusBar();
484
485 CreateCanvas();
486 CreateControlBar();
487
488 m_printPreview->SetCanvas(m_previewCanvas);
489 m_printPreview->SetFrame(this);
490
491 // Set layout constraints here
492
493 // Control bar constraints
494 wxLayoutConstraints *c1 = new wxLayoutConstraints;
495 // int w, h;
496 // m_controlBar->GetSize(&w, &h);
497 int h;
498#if (defined(__WXMSW__) || defined(__WXGTK__))
499 h = 40;
500#else
501 h = 60;
502#endif
503
504 c1->left.SameAs (this, wxLeft);
505 c1->top.SameAs (this, wxTop);
506 c1->right.SameAs (this, wxRight);
507 c1->height.Absolute (h);
508
509 m_controlBar->SetConstraints(c1);
510
511 // Canvas constraints
512 wxLayoutConstraints *c2 = new wxLayoutConstraints;
513
514 c2->left.SameAs (this, wxLeft);
515 c2->top.Below (m_controlBar);
516 c2->right.SameAs (this, wxRight);
517 c2->bottom.SameAs (this, wxBottom);
518
519 m_previewCanvas->SetConstraints(c2);
520
521 SetAutoLayout(TRUE);
522
523 MakeModal(TRUE);
524
525 Layout();
526}
527
528void wxPreviewFrame::CreateCanvas()
529{
530 m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
531}
532
533void wxPreviewFrame::CreateControlBar()
534{
535 long buttons = wxPREVIEW_DEFAULT;
536 if (m_printPreview->GetPrintoutForPrinting())
537 buttons |= wxPREVIEW_PRINT;
538
539 m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
540 m_controlBar->CreateButtons();
541}
542
543/*
544* Print preview
545*/
546
547wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
548 wxPrintout *printoutForPrinting,
549 wxPrintData *data)
550{
551 if (data)
552 m_printDialogData = (*data);
553
554 Init(printout, printoutForPrinting);
555}
556
557wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
558 wxPrintout *printoutForPrinting,
559 wxPrintDialogData *data)
560{
561 if (data)
562 m_printDialogData = (*data);
563
564 Init(printout, printoutForPrinting);
565}
566
567void wxPrintPreviewBase::Init(wxPrintout *printout,
568 wxPrintout *printoutForPrinting)
569{
570 m_isOk = TRUE;
571 m_previewPrintout = printout;
572 if (m_previewPrintout)
573 m_previewPrintout->SetIsPreview(TRUE);
574
575 m_printPrintout = printoutForPrinting;
576
577 m_previewCanvas = NULL;
578 m_previewFrame = NULL;
579 m_previewBitmap = NULL;
580 m_currentPage = 1;
581 m_currentZoom = 70;
582 m_topMargin = 40;
583 m_leftMargin = 40;
584 m_pageWidth = 0;
585 m_pageHeight = 0;
586 m_printingPrepared = FALSE;
587
588 // Too soon! Moved to RenderPage.
589 // printout->OnPreparePrinting();
590
591 // Get some parameters from the printout, if defined
592 int selFrom, selTo;
593 printout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
594}
595
596wxPrintPreviewBase::~wxPrintPreviewBase()
597{
598 if (m_previewPrintout)
599 delete m_previewPrintout;
600 if (m_previewBitmap)
601 delete m_previewBitmap;
602 if (m_printPrintout)
603 delete m_printPrintout;
604}
605
606bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
607{
608 if (m_currentPage == pageNum)
609 return TRUE;
610
611 m_currentPage = pageNum;
612 if (m_previewBitmap)
613 {
614 delete m_previewBitmap;
615 m_previewBitmap = NULL;
616 }
617
618 if (m_previewCanvas)
619 {
620 if (!RenderPage(pageNum))
621 return FALSE;
622 m_previewCanvas->Refresh();
623 }
624 return TRUE;
625}
626
627bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
628{
629 DrawBlankPage(canvas, dc);
630
631 if (!m_previewBitmap)
632 if (!RenderPage(m_currentPage))
633 return FALSE;
634
635 if (!m_previewBitmap)
636 return FALSE;
637
638 if (!canvas)
639 return FALSE;
640
641 int canvasWidth, canvasHeight;
642 canvas->GetSize(&canvasWidth, &canvasHeight);
643
644 double zoomScale = ((float)m_currentZoom/(float)100);
645 double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
646 // float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
647
648 int x = (int) ((canvasWidth - actualWidth)/2.0);
649 if (x < m_leftMargin)
650 x = m_leftMargin;
651 int y = m_topMargin;
652
653 wxMemoryDC temp_dc;
654 temp_dc.SelectObject(*m_previewBitmap);
655
656 dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
657
658 temp_dc.SelectObject(wxNullBitmap);
659
660 return TRUE;
661}
662
663bool wxPrintPreviewBase::RenderPage(int pageNum)
664{
665 wxBusyCursor busy;
666
667 int canvasWidth, canvasHeight;
668
669 if (!m_previewCanvas)
670 {
671 wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
672
673 return FALSE;
674 }
675 m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
676
677 double zoomScale = (m_currentZoom/100.0);
678 int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
679 int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
680
681 int x = (int)((canvasWidth - actualWidth)/2.0);
682 if (x < m_leftMargin)
683 x = m_leftMargin;
684 // int y = m_topMargin;
685
686
687 if (!m_previewBitmap)
688 {
689 m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
690 if (!m_previewBitmap || !m_previewBitmap->Ok())
691 {
692 if (m_previewBitmap) {
693 delete m_previewBitmap;
694 m_previewBitmap = NULL;
695 }
696 wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
697 return FALSE;
698 }
699 }
700
701 wxMemoryDC memoryDC;
702 memoryDC.SelectObject(*m_previewBitmap);
703
704 memoryDC.Clear();
705
706 m_previewPrintout->SetDC(&memoryDC);
707 m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
708
709 // Need to delay OnPreparePrinting until here, so we have enough information.
710 if (!m_printingPrepared)
711 {
712 m_previewPrintout->OnPreparePrinting();
713 m_printingPrepared = TRUE;
714 }
715
716 m_previewPrintout->OnBeginPrinting();
717
718 if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
719 {
720 wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
721
722 memoryDC.SelectObject(wxNullBitmap);
723
724 delete m_previewBitmap;
725 m_previewBitmap = NULL;
726 return FALSE;
727 }
728
729 m_previewPrintout->OnPrintPage(pageNum);
730 m_previewPrintout->OnEndDocument();
731 m_previewPrintout->OnEndPrinting();
732
733 m_previewPrintout->SetDC(NULL);
734
735 memoryDC.SelectObject(wxNullBitmap);
736
737 wxChar buf[200];
738 if (m_maxPage != 0)
739 wxSprintf(buf, _("Page %d of %d"), pageNum, m_maxPage);
740 else
741 wxSprintf(buf, _("Page %d"), pageNum);
742
743 if (m_previewFrame)
744 m_previewFrame->SetStatusText(buf);
745
746 return TRUE;
747}
748
749
750bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc)
751{
752 int canvasWidth, canvasHeight;
753 canvas->GetSize(&canvasWidth, &canvasHeight);
754
755 float zoomScale = (float)((float)m_currentZoom/(float)100);
756 float actualWidth = zoomScale*m_pageWidth*m_previewScale;
757 float actualHeight = zoomScale*m_pageHeight*m_previewScale;
758
759 float x = (float)((canvasWidth - actualWidth)/2.0);
760 if (x < m_leftMargin)
761 x = (float)m_leftMargin;
762 float y = (float)m_topMargin;
763
764 // Draw shadow, allowing for 1-pixel border AROUND the actual page
765 int shadowOffset = 4;
766 dc.SetPen(*wxBLACK_PEN);
767 dc.SetBrush(*wxBLACK_BRUSH);
768 /*
769 dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
770 */
771 dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
772 dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
773
774 // Draw blank page allowing for 1-pixel border AROUND the actual page
775 dc.SetPen(*wxBLACK_PEN);
776 dc.SetBrush(*wxWHITE_BRUSH);
777
778 /*
779 wxRegion update_region = canvas->GetUpdateRegion();
780 wxRect r = update_region.GetBox();
781
782 printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
783 */
784
785 dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
786
787 return TRUE;
788}
789
790void wxPrintPreviewBase::SetZoom(int percent)
791{
792 if (m_currentZoom == percent)
793 return;
794
795 m_currentZoom = percent;
796 if (m_previewBitmap)
797 {
798 delete m_previewBitmap;
799 m_previewBitmap = NULL;
800 }
801
802 if (m_previewCanvas)
803 {
804 RenderPage(m_currentPage);
805 ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
806 m_previewCanvas->Clear();
807 m_previewCanvas->Refresh();
808 }
809}
810
811#endif // wxUSE_PRINTING_ARCHITECTURE