1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/html/htmprint.cpp
3 // Purpose: html printing classes
4 // Author: Vaclav Slavik
7 // Copyright: (c) Vaclav Slavik, 1999
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
11 // For compilers that support precompilation, includes "wx/wx.h".
12 #include "wx/wxprec.h"
18 #if wxUSE_HTML && wxUSE_PRINTING_ARCHITECTURE && wxUSE_STREAMS
24 #include "wx/settings.h"
25 #include "wx/msgdlg.h"
26 #include "wx/module.h"
30 #include "wx/printdlg.h"
31 #include "wx/html/htmprint.h"
32 #include "wx/wxhtml.h"
33 #include "wx/wfstream.h"
36 // default font size of normal text (HTML font size 0) for printing, in points:
37 #define DEFAULT_PRINT_FONT_SIZE 12
40 //--------------------------------------------------------------------------------
42 //--------------------------------------------------------------------------------
45 wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
48 m_Width
= m_Height
= 0;
50 m_Parser
= new wxHtmlWinParser();
51 m_FS
= new wxFileSystem();
52 m_Parser
->SetFS(m_FS
);
53 SetStandardFonts(DEFAULT_PRINT_FONT_SIZE
);
58 wxHtmlDCRenderer::~wxHtmlDCRenderer()
60 if (m_Cells
) delete m_Cells
;
61 if (m_Parser
) delete m_Parser
;
62 if (m_FS
) delete m_FS
;
67 void wxHtmlDCRenderer::SetDC(wxDC
*dc
, double pixel_scale
)
70 m_Parser
->SetDC(m_DC
, pixel_scale
);
75 void wxHtmlDCRenderer::SetSize(int width
, int height
)
82 void wxHtmlDCRenderer::SetHtmlText(const wxString
& html
, const wxString
& basepath
, bool isdir
)
84 if (m_DC
== NULL
) return;
86 if (m_Cells
!= NULL
) delete m_Cells
;
88 m_FS
->ChangePathTo(basepath
, isdir
);
89 m_Cells
= (wxHtmlContainerCell
*) m_Parser
->Parse(html
);
90 m_Cells
->SetIndent(0, wxHTML_INDENT_ALL
, wxHTML_UNITS_PIXELS
);
91 m_Cells
->Layout(m_Width
);
95 void wxHtmlDCRenderer::SetFonts(const wxString
& normal_face
, const wxString
& fixed_face
,
98 m_Parser
->SetFonts(normal_face
, fixed_face
, sizes
);
99 if (m_DC
== NULL
&& m_Cells
!= NULL
)
100 m_Cells
->Layout(m_Width
);
103 void wxHtmlDCRenderer::SetStandardFonts(int size
,
104 const wxString
& normal_face
,
105 const wxString
& fixed_face
)
107 m_Parser
->SetStandardFonts(size
, normal_face
, fixed_face
);
108 if (m_DC
== NULL
&& m_Cells
!= NULL
)
109 m_Cells
->Layout(m_Width
);
112 int wxHtmlDCRenderer::Render(int x
, int y
,
113 wxArrayInt
& known_pagebreaks
,
114 int from
, int dont_render
, int to
)
118 if (m_Cells
== NULL
|| m_DC
== NULL
) return 0;
120 pbreak
= (int)(from
+ m_Height
);
121 while (m_Cells
->AdjustPagebreak(&pbreak
, known_pagebreaks
)) {}
122 hght
= pbreak
- from
;
128 wxHtmlRenderingInfo rinfo
;
129 wxDefaultHtmlRenderingStyle rstyle
;
130 rinfo
.SetStyle(&rstyle
);
131 m_DC
->SetBrush(*wxWHITE_BRUSH
);
132 m_DC
->SetClippingRegion(x
, y
, m_Width
, hght
);
135 y
, pbreak
+ (y
/*- from*/),
137 m_DC
->DestroyClippingRegion();
140 if (pbreak
< m_Cells
->GetHeight()) return pbreak
;
141 else return GetTotalHeight();
145 int wxHtmlDCRenderer::GetTotalHeight()
147 if (m_Cells
) return m_Cells
->GetHeight();
152 //--------------------------------------------------------------------------------
154 //--------------------------------------------------------------------------------
157 wxList
wxHtmlPrintout::m_Filters
;
159 wxHtmlPrintout::wxHtmlPrintout(const wxString
& title
) : wxPrintout(title
)
161 m_Renderer
= new wxHtmlDCRenderer
;
162 m_RendererHdr
= new wxHtmlDCRenderer
;
163 m_NumPages
= wxHTML_PRINT_MAX_PAGES
;
164 m_Document
= m_BasePath
= wxEmptyString
; m_BasePathIsDir
= true;
165 m_Headers
[0] = m_Headers
[1] = wxEmptyString
;
166 m_Footers
[0] = m_Footers
[1] = wxEmptyString
;
167 m_HeaderHeight
= m_FooterHeight
= 0;
168 SetMargins(); // to default values
169 SetStandardFonts(DEFAULT_PRINT_FONT_SIZE
);
174 wxHtmlPrintout::~wxHtmlPrintout()
177 delete m_RendererHdr
;
180 void wxHtmlPrintout::CleanUpStatics()
182 WX_CLEAR_LIST(wxList
, m_Filters
);
186 void wxHtmlPrintout::AddFilter(wxHtmlFilter
*filter
)
188 m_Filters
.Append(filter
);
191 void wxHtmlPrintout::OnPreparePrinting()
193 int pageWidth
, pageHeight
, mm_w
, mm_h
, scr_w
, scr_h
, dc_w
, dc_h
;
194 float ppmm_h
, ppmm_v
;
196 GetPageSizePixels(&pageWidth
, &pageHeight
);
197 GetPageSizeMM(&mm_w
, &mm_h
);
198 ppmm_h
= (float)pageWidth
/ mm_w
;
199 ppmm_v
= (float)pageHeight
/ mm_h
;
201 int ppiPrinterX
, ppiPrinterY
;
202 GetPPIPrinter(&ppiPrinterX
, &ppiPrinterY
);
203 int ppiScreenX
, ppiScreenY
;
204 GetPPIScreen(&ppiScreenX
, &ppiScreenY
);
206 wxDisplaySize(&scr_w
, &scr_h
);
207 GetDC()->GetSize(&dc_w
, &dc_h
);
209 GetDC()->SetUserScale((double)dc_w
/ (double)pageWidth
,
210 (double)dc_h
/ (double)pageHeight
);
212 /* prepare headers/footers renderer: */
214 m_RendererHdr
->SetDC(GetDC(), (double)ppiPrinterY
/ (double)ppiScreenY
);
215 m_RendererHdr
->SetSize((int) (ppmm_h
* (mm_w
- m_MarginLeft
- m_MarginRight
)),
216 (int) (ppmm_v
* (mm_h
- m_MarginTop
- m_MarginBottom
)));
217 if (m_Headers
[0] != wxEmptyString
)
219 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Headers
[0], 1));
220 m_HeaderHeight
= m_RendererHdr
->GetTotalHeight();
222 else if (m_Headers
[1] != wxEmptyString
)
224 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Headers
[1], 1));
225 m_HeaderHeight
= m_RendererHdr
->GetTotalHeight();
227 if (m_Footers
[0] != wxEmptyString
)
229 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Footers
[0], 1));
230 m_FooterHeight
= m_RendererHdr
->GetTotalHeight();
232 else if (m_Footers
[1] != wxEmptyString
)
234 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Footers
[1], 1));
235 m_FooterHeight
= m_RendererHdr
->GetTotalHeight();
238 /* prepare main renderer: */
239 m_Renderer
->SetDC(GetDC(), (double)ppiPrinterY
/ (double)ppiScreenY
);
240 m_Renderer
->SetSize((int) (ppmm_h
* (mm_w
- m_MarginLeft
- m_MarginRight
)),
241 (int) (ppmm_v
* (mm_h
- m_MarginTop
- m_MarginBottom
) -
242 m_FooterHeight
- m_HeaderHeight
-
243 ((m_HeaderHeight
== 0) ? 0 : m_MarginSpace
* ppmm_v
) -
244 ((m_FooterHeight
== 0) ? 0 : m_MarginSpace
* ppmm_v
)
246 m_Renderer
->SetHtmlText(m_Document
, m_BasePath
, m_BasePathIsDir
);
250 bool wxHtmlPrintout::OnBeginDocument(int startPage
, int endPage
)
252 if (!wxPrintout::OnBeginDocument(startPage
, endPage
)) return false;
258 bool wxHtmlPrintout::OnPrintPage(int page
)
261 if (dc
&& dc
->IsOk())
264 RenderPage(dc
, page
);
271 void wxHtmlPrintout::GetPageInfo(int *minPage
, int *maxPage
, int *selPageFrom
, int *selPageTo
)
274 if ( m_NumPages
>= (signed)m_PageBreaks
.GetCount()-1)
275 *maxPage
= m_NumPages
;
277 *maxPage
= (signed)m_PageBreaks
.GetCount()-1;
279 *selPageTo
= (signed)m_PageBreaks
.GetCount()-1;
284 bool wxHtmlPrintout::HasPage(int pageNum
)
286 return pageNum
> 0 && (unsigned)pageNum
< m_PageBreaks
.GetCount();
291 void wxHtmlPrintout::SetHtmlText(const wxString
& html
, const wxString
&basepath
, bool isdir
)
294 m_BasePath
= basepath
;
295 m_BasePathIsDir
= isdir
;
298 void wxHtmlPrintout::SetHtmlFile(const wxString
& htmlfile
)
303 if (wxFileExists(htmlfile
))
304 ff
= fs
.OpenFile(wxFileSystem::FileNameToURL(htmlfile
));
306 ff
= fs
.OpenFile(htmlfile
);
310 wxLogError(htmlfile
+ _(": file does not exist!"));
315 wxHtmlFilterHTML defaultFilter
;
318 wxList::compatibility_iterator node
= m_Filters
.GetFirst();
321 wxHtmlFilter
*h
= (wxHtmlFilter
*) node
->GetData();
324 doc
= h
->ReadFile(*ff
);
328 node
= node
->GetNext();
332 doc
= defaultFilter
.ReadFile(*ff
);
334 SetHtmlText(doc
, htmlfile
, false);
340 void wxHtmlPrintout::SetHeader(const wxString
& header
, int pg
)
342 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_EVEN
)
343 m_Headers
[0] = header
;
344 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_ODD
)
345 m_Headers
[1] = header
;
350 void wxHtmlPrintout::SetFooter(const wxString
& footer
, int pg
)
352 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_EVEN
)
353 m_Footers
[0] = footer
;
354 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_ODD
)
355 m_Footers
[1] = footer
;
360 void wxHtmlPrintout::CountPages()
363 int pageWidth
, pageHeight
, mm_w
, mm_h
;
364 float ppmm_h
, ppmm_v
;
366 GetPageSizePixels(&pageWidth
, &pageHeight
);
367 GetPageSizeMM(&mm_w
, &mm_h
);
368 ppmm_h
= (float)pageWidth
/ mm_w
;
369 ppmm_v
= (float)pageHeight
/ mm_h
;
373 // m_PageBreaks[0] = 0;
375 m_PageBreaks
.Clear();
376 m_PageBreaks
.Add( 0);
379 pos
= m_Renderer
->Render((int)( ppmm_h
* m_MarginLeft
),
380 (int) (ppmm_v
* (m_MarginTop
+ (m_HeaderHeight
== 0 ? 0 : m_MarginSpace
)) + m_HeaderHeight
),
383 m_PageBreaks
.Add( pos
);
384 if( m_PageBreaks
.GetCount() > wxHTML_PRINT_MAX_PAGES
)
386 wxMessageBox( _("HTML pagination algorithm generated more than the allowed maximum number of pages and it can't continue any longer!"),
387 _("Warning"), wxCANCEL
| wxICON_ERROR
);
390 } while (pos
< m_Renderer
->GetTotalHeight());
395 void wxHtmlPrintout::RenderPage(wxDC
*dc
, int page
)
399 int pageWidth
, pageHeight
, mm_w
, mm_h
, scr_w
, scr_h
, dc_w
, dc_h
;
400 float ppmm_h
, ppmm_v
;
402 GetPageSizePixels(&pageWidth
, &pageHeight
);
403 GetPageSizeMM(&mm_w
, &mm_h
);
404 ppmm_h
= (float)pageWidth
/ mm_w
;
405 ppmm_v
= (float)pageHeight
/ mm_h
;
406 wxDisplaySize(&scr_w
, &scr_h
);
407 dc
->GetSize(&dc_w
, &dc_h
);
409 int ppiPrinterX
, ppiPrinterY
;
410 GetPPIPrinter(&ppiPrinterX
, &ppiPrinterY
);
411 wxUnusedVar(ppiPrinterX
);
412 int ppiScreenX
, ppiScreenY
;
413 GetPPIScreen(&ppiScreenX
, &ppiScreenY
);
414 wxUnusedVar(ppiScreenX
);
416 dc
->SetUserScale((double)dc_w
/ (double)pageWidth
,
417 (double)dc_h
/ (double)pageHeight
);
419 m_Renderer
->SetDC(dc
, (double)ppiPrinterY
/ (double)ppiScreenY
);
421 dc
->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT
);
423 m_Renderer
->Render((int) (ppmm_h
* m_MarginLeft
),
424 (int) (ppmm_v
* (m_MarginTop
+ (m_HeaderHeight
== 0 ? 0 : m_MarginSpace
)) + m_HeaderHeight
), m_PageBreaks
,
425 m_PageBreaks
[page
-1], false, m_PageBreaks
[page
]-m_PageBreaks
[page
-1]);
428 m_RendererHdr
->SetDC(dc
, (double)ppiPrinterY
/ (double)ppiScreenY
);
429 if (m_Headers
[page
% 2] != wxEmptyString
)
431 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Headers
[page
% 2], page
));
432 m_RendererHdr
->Render((int) (ppmm_h
* m_MarginLeft
), (int) (ppmm_v
* m_MarginTop
), m_PageBreaks
);
434 if (m_Footers
[page
% 2] != wxEmptyString
)
436 m_RendererHdr
->SetHtmlText(TranslateHeader(m_Footers
[page
% 2], page
));
437 m_RendererHdr
->Render((int) (ppmm_h
* m_MarginLeft
), (int) (pageHeight
- ppmm_v
* m_MarginBottom
- m_FooterHeight
), m_PageBreaks
);
443 wxString
wxHtmlPrintout::TranslateHeader(const wxString
& instr
, int page
)
448 num
.Printf(wxT("%i"), page
);
449 r
.Replace(wxT("@PAGENUM@"), num
);
451 num
.Printf(wxT("%lu"), (unsigned long)(m_PageBreaks
.GetCount() - 1));
452 r
.Replace(wxT("@PAGESCNT@"), num
);
454 const wxDateTime now
= wxDateTime::Now();
455 r
.Replace(wxT("@DATE@"), now
.FormatDate());
456 r
.Replace(wxT("@TIME@"), now
.FormatTime());
458 r
.Replace(wxT("@TITLE@"), GetTitle());
465 void wxHtmlPrintout::SetMargins(float top
, float bottom
, float left
, float right
, float spaces
)
468 m_MarginBottom
= bottom
;
470 m_MarginRight
= right
;
471 m_MarginSpace
= spaces
;
477 void wxHtmlPrintout::SetFonts(const wxString
& normal_face
, const wxString
& fixed_face
,
480 m_Renderer
->SetFonts(normal_face
, fixed_face
, sizes
);
481 m_RendererHdr
->SetFonts(normal_face
, fixed_face
, sizes
);
484 void wxHtmlPrintout::SetStandardFonts(int size
,
485 const wxString
& normal_face
,
486 const wxString
& fixed_face
)
488 m_Renderer
->SetStandardFonts(size
, normal_face
, fixed_face
);
489 m_RendererHdr
->SetStandardFonts(size
, normal_face
, fixed_face
);
494 //----------------------------------------------------------------------------
495 // wxHtmlEasyPrinting
496 //----------------------------------------------------------------------------
499 wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString
& name
, wxWindow
*parentWindow
)
501 m_ParentWindow
= parentWindow
;
504 m_PageSetupData
= new wxPageSetupDialogData
;
505 m_Headers
[0] = m_Headers
[1] = m_Footers
[0] = m_Footers
[1] = wxEmptyString
;
507 m_PageSetupData
->EnableMargins(true);
508 m_PageSetupData
->SetMarginTopLeft(wxPoint(25, 25));
509 m_PageSetupData
->SetMarginBottomRight(wxPoint(25, 25));
511 SetStandardFonts(DEFAULT_PRINT_FONT_SIZE
);
516 wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
519 delete m_PageSetupData
;
523 wxPrintData
*wxHtmlEasyPrinting::GetPrintData()
525 if (m_PrintData
== NULL
)
526 m_PrintData
= new wxPrintData();
531 bool wxHtmlEasyPrinting::PreviewFile(const wxString
&htmlfile
)
533 wxHtmlPrintout
*p1
= CreatePrintout();
534 p1
->SetHtmlFile(htmlfile
);
535 wxHtmlPrintout
*p2
= CreatePrintout();
536 p2
->SetHtmlFile(htmlfile
);
537 return DoPreview(p1
, p2
);
542 bool wxHtmlEasyPrinting::PreviewText(const wxString
&htmltext
, const wxString
&basepath
)
544 wxHtmlPrintout
*p1
= CreatePrintout();
545 p1
->SetHtmlText(htmltext
, basepath
, true);
546 wxHtmlPrintout
*p2
= CreatePrintout();
547 p2
->SetHtmlText(htmltext
, basepath
, true);
548 return DoPreview(p1
, p2
);
553 bool wxHtmlEasyPrinting::PrintFile(const wxString
&htmlfile
)
555 wxHtmlPrintout
*p
= CreatePrintout();
556 p
->SetHtmlFile(htmlfile
);
557 bool ret
= DoPrint(p
);
564 bool wxHtmlEasyPrinting::PrintText(const wxString
&htmltext
, const wxString
&basepath
)
566 wxHtmlPrintout
*p
= CreatePrintout();
567 p
->SetHtmlText(htmltext
, basepath
, true);
568 bool ret
= DoPrint(p
);
575 bool wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout
*printout1
, wxHtmlPrintout
*printout2
)
577 // Pass two printout objects: for preview, and possible printing.
578 wxPrintDialogData
printDialogData(*GetPrintData());
579 wxPrintPreview
*preview
= new wxPrintPreview(printout1
, printout2
, &printDialogData
);
586 wxPreviewFrame
*frame
= new wxPreviewFrame(preview
, m_ParentWindow
,
587 m_Name
+ _(" Preview"),
588 wxPoint(100, 100), wxSize(650, 500));
589 frame
->Centre(wxBOTH
);
597 bool wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout
*printout
)
599 wxPrintDialogData
printDialogData(*GetPrintData());
600 wxPrinter
printer(&printDialogData
);
602 if (!printer
.Print(m_ParentWindow
, printout
, true))
607 (*GetPrintData()) = printer
.GetPrintDialogData().GetPrintData();
614 void wxHtmlEasyPrinting::PageSetup()
616 if (!GetPrintData()->Ok())
618 wxLogError(_("There was a problem during page setup: you may need to set a default printer."));
622 m_PageSetupData
->SetPrintData(*GetPrintData());
623 wxPageSetupDialog
pageSetupDialog(m_ParentWindow
, m_PageSetupData
);
625 if (pageSetupDialog
.ShowModal() == wxID_OK
)
627 (*GetPrintData()) = pageSetupDialog
.GetPageSetupData().GetPrintData();
628 (*m_PageSetupData
) = pageSetupDialog
.GetPageSetupData();
634 void wxHtmlEasyPrinting::SetHeader(const wxString
& header
, int pg
)
636 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_EVEN
)
637 m_Headers
[0] = header
;
638 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_ODD
)
639 m_Headers
[1] = header
;
644 void wxHtmlEasyPrinting::SetFooter(const wxString
& footer
, int pg
)
646 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_EVEN
)
647 m_Footers
[0] = footer
;
648 if (pg
== wxPAGE_ALL
|| pg
== wxPAGE_ODD
)
649 m_Footers
[1] = footer
;
653 void wxHtmlEasyPrinting::SetFonts(const wxString
& normal_face
, const wxString
& fixed_face
,
656 m_fontMode
= FontMode_Explicit
;
657 m_FontFaceNormal
= normal_face
;
658 m_FontFaceFixed
= fixed_face
;
662 m_FontsSizes
= m_FontsSizesArr
;
663 for (int i
= 0; i
< 7; i
++) m_FontsSizes
[i
] = sizes
[i
];
669 void wxHtmlEasyPrinting::SetStandardFonts(int size
,
670 const wxString
& normal_face
,
671 const wxString
& fixed_face
)
673 m_fontMode
= FontMode_Standard
;
674 m_FontFaceNormal
= normal_face
;
675 m_FontFaceFixed
= fixed_face
;
676 m_FontsSizesArr
[0] = size
;
680 wxHtmlPrintout
*wxHtmlEasyPrinting::CreatePrintout()
682 wxHtmlPrintout
*p
= new wxHtmlPrintout(m_Name
);
684 if (m_fontMode
== FontMode_Explicit
)
686 p
->SetFonts(m_FontFaceNormal
, m_FontFaceFixed
, m_FontsSizes
);
688 else // FontMode_Standard
690 p
->SetStandardFonts(m_FontsSizesArr
[0],
691 m_FontFaceNormal
, m_FontFaceFixed
);
694 p
->SetHeader(m_Headers
[0], wxPAGE_EVEN
);
695 p
->SetHeader(m_Headers
[1], wxPAGE_ODD
);
696 p
->SetFooter(m_Footers
[0], wxPAGE_EVEN
);
697 p
->SetFooter(m_Footers
[1], wxPAGE_ODD
);
699 p
->SetMargins(m_PageSetupData
->GetMarginTopLeft().y
,
700 m_PageSetupData
->GetMarginBottomRight().y
,
701 m_PageSetupData
->GetMarginTopLeft().x
,
702 m_PageSetupData
->GetMarginBottomRight().x
);
707 // A module to allow initialization/cleanup
708 // without calling these functions from app.cpp or from
709 // the user's application.
711 class wxHtmlPrintingModule
: public wxModule
713 DECLARE_DYNAMIC_CLASS(wxHtmlPrintingModule
)
715 wxHtmlPrintingModule() : wxModule() {}
716 bool OnInit() { return true; }
717 void OnExit() { wxHtmlPrintout::CleanUpStatics(); }
720 IMPLEMENT_DYNAMIC_CLASS(wxHtmlPrintingModule
, wxModule
)
723 // This hack forces the linker to always link in m_* files
724 // (wxHTML doesn't work without handlers from these files)
725 #include "wx/html/forcelnk.h"
726 FORCE_WXHTML_MODULES()
728 #endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE