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rpcs3/wxWidgets/src/html/htmprint.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/html/htmprint.cpp
// Purpose: html printing classes
// Author: Vaclav Slavik
// Created: 25/09/99
// RCS-ID: $Id: htmprint.cpp 55069 2008-08-12 16:02:31Z VS $
// Copyright: (c) Vaclav Slavik, 1999
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_HTML && wxUSE_PRINTING_ARCHITECTURE && wxUSE_STREAMS
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/dc.h"
#include "wx/settings.h"
#include "wx/msgdlg.h"
#include "wx/module.h"
#endif
#include "wx/print.h"
#include "wx/printdlg.h"
#include "wx/html/htmprint.h"
#include "wx/wxhtml.h"
#include "wx/wfstream.h"
// default font size of normal text (HTML font size 0) for printing, in points:
#define DEFAULT_PRINT_FONT_SIZE 12
//--------------------------------------------------------------------------------
// wxHtmlDCRenderer
//--------------------------------------------------------------------------------
wxHtmlDCRenderer::wxHtmlDCRenderer() : wxObject()
{
m_DC = NULL;
m_Width = m_Height = 0;
m_Cells = NULL;
m_Parser = new wxHtmlWinParser();
m_FS = new wxFileSystem();
m_Parser->SetFS(m_FS);
SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
wxHtmlDCRenderer::~wxHtmlDCRenderer()
{
if (m_Cells) delete m_Cells;
if (m_Parser) delete m_Parser;
if (m_FS) delete m_FS;
}
void wxHtmlDCRenderer::SetDC(wxDC *dc, double pixel_scale)
{
m_DC = dc;
m_Parser->SetDC(m_DC, pixel_scale);
}
void wxHtmlDCRenderer::SetSize(int width, int height)
{
m_Width = width;
m_Height = height;
}
void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepath, bool isdir)
{
if (m_DC == NULL) return;
if (m_Cells != NULL) delete m_Cells;
m_FS->ChangePathTo(basepath, isdir);
m_Cells = (wxHtmlContainerCell*) m_Parser->Parse(html);
m_Cells->SetIndent(0, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
m_Cells->Layout(m_Width);
}
void wxHtmlDCRenderer::SetFonts(const wxString& normal_face, const wxString& fixed_face,
const int *sizes)
{
m_Parser->SetFonts(normal_face, fixed_face, sizes);
if (m_DC == NULL && m_Cells != NULL)
m_Cells->Layout(m_Width);
}
void wxHtmlDCRenderer::SetStandardFonts(int size,
const wxString& normal_face,
const wxString& fixed_face)
{
m_Parser->SetStandardFonts(size, normal_face, fixed_face);
if (m_DC == NULL && m_Cells != NULL)
m_Cells->Layout(m_Width);
}
int wxHtmlDCRenderer::Render(int x, int y,
wxArrayInt& known_pagebreaks,
int from, int dont_render, int to)
{
int pbreak, hght;
if (m_Cells == NULL || m_DC == NULL) return 0;
pbreak = (int)(from + m_Height);
while (m_Cells->AdjustPagebreak(&pbreak, known_pagebreaks)) {}
hght = pbreak - from;
if(to < hght)
hght = to;
if (!dont_render)
{
wxHtmlRenderingInfo rinfo;
wxDefaultHtmlRenderingStyle rstyle;
rinfo.SetStyle(&rstyle);
m_DC->SetBrush(*wxWHITE_BRUSH);
m_DC->SetClippingRegion(x, y, m_Width, hght);
m_Cells->Draw(*m_DC,
x, (y - from),
y, y + hght,
rinfo);
m_DC->DestroyClippingRegion();
}
if (pbreak < m_Cells->GetHeight()) return pbreak;
else return GetTotalHeight();
}
int wxHtmlDCRenderer::GetTotalHeight()
{
if (m_Cells) return m_Cells->GetHeight();
else return 0;
}
//--------------------------------------------------------------------------------
// wxHtmlPrintout
//--------------------------------------------------------------------------------
wxList wxHtmlPrintout::m_Filters;
wxHtmlPrintout::wxHtmlPrintout(const wxString& title) : wxPrintout(title)
{
m_Renderer = new wxHtmlDCRenderer;
m_RendererHdr = new wxHtmlDCRenderer;
m_NumPages = wxHTML_PRINT_MAX_PAGES;
m_Document = m_BasePath = wxEmptyString; m_BasePathIsDir = true;
m_Headers[0] = m_Headers[1] = wxEmptyString;
m_Footers[0] = m_Footers[1] = wxEmptyString;
m_HeaderHeight = m_FooterHeight = 0;
SetMargins(); // to default values
SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
wxHtmlPrintout::~wxHtmlPrintout()
{
delete m_Renderer;
delete m_RendererHdr;
}
void wxHtmlPrintout::CleanUpStatics()
{
WX_CLEAR_LIST(wxList, m_Filters);
}
// Adds input filter
void wxHtmlPrintout::AddFilter(wxHtmlFilter *filter)
{
m_Filters.Append(filter);
}
void wxHtmlPrintout::OnPreparePrinting()
{
int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
float ppmm_h, ppmm_v;
GetPageSizePixels(&pageWidth, &pageHeight);
GetPageSizeMM(&mm_w, &mm_h);
ppmm_h = (float)pageWidth / mm_w;
ppmm_v = (float)pageHeight / mm_h;
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
wxDisplaySize(&scr_w, &scr_h);
GetDC()->GetSize(&dc_w, &dc_h);
GetDC()->SetUserScale((double)dc_w / (double)pageWidth,
(double)dc_h / (double)pageHeight);
/* prepare headers/footers renderer: */
m_RendererHdr->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
m_RendererHdr->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom)));
if (m_Headers[0] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[0], 1));
m_HeaderHeight = m_RendererHdr->GetTotalHeight();
}
else if (m_Headers[1] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[1], 1));
m_HeaderHeight = m_RendererHdr->GetTotalHeight();
}
if (m_Footers[0] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[0], 1));
m_FooterHeight = m_RendererHdr->GetTotalHeight();
}
else if (m_Footers[1] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[1], 1));
m_FooterHeight = m_RendererHdr->GetTotalHeight();
}
/* prepare main renderer: */
m_Renderer->SetDC(GetDC(), (double)ppiPrinterY / (double)ppiScreenY);
m_Renderer->SetSize((int) (ppmm_h * (mm_w - m_MarginLeft - m_MarginRight)),
(int) (ppmm_v * (mm_h - m_MarginTop - m_MarginBottom) -
m_FooterHeight - m_HeaderHeight -
((m_HeaderHeight == 0) ? 0 : m_MarginSpace * ppmm_v) -
((m_FooterHeight == 0) ? 0 : m_MarginSpace * ppmm_v)
));
m_Renderer->SetHtmlText(m_Document, m_BasePath, m_BasePathIsDir);
CountPages();
}
bool wxHtmlPrintout::OnBeginDocument(int startPage, int endPage)
{
if (!wxPrintout::OnBeginDocument(startPage, endPage)) return false;
return true;
}
bool wxHtmlPrintout::OnPrintPage(int page)
{
wxDC *dc = GetDC();
if (dc && dc->Ok())
{
if (HasPage(page))
RenderPage(dc, page);
return true;
}
else return false;
}
void wxHtmlPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
*minPage = 1;
if ( m_NumPages >= (signed)m_PageBreaks.Count()-1)
*maxPage = m_NumPages;
else
*maxPage = (signed)m_PageBreaks.Count()-1;
*selPageFrom = 1;
*selPageTo = (signed)m_PageBreaks.Count()-1;
}
bool wxHtmlPrintout::HasPage(int pageNum)
{
return pageNum > 0 && (unsigned)pageNum < m_PageBreaks.Count();
}
void wxHtmlPrintout::SetHtmlText(const wxString& html, const wxString &basepath, bool isdir)
{
m_Document = html;
m_BasePath = basepath;
m_BasePathIsDir = isdir;
}
void wxHtmlPrintout::SetHtmlFile(const wxString& htmlfile)
{
wxFileSystem fs;
wxFSFile *ff;
if (wxFileExists(htmlfile))
ff = fs.OpenFile(wxFileSystem::FileNameToURL(htmlfile));
else
ff = fs.OpenFile(htmlfile);
if (ff == NULL)
{
wxLogError(htmlfile + _(": file does not exist!"));
return;
}
bool done = false;
wxHtmlFilterHTML defaultFilter;
wxString doc;
wxList::compatibility_iterator node = m_Filters.GetFirst();
while (node)
{
wxHtmlFilter *h = (wxHtmlFilter*) node->GetData();
if (h->CanRead(*ff))
{
doc = h->ReadFile(*ff);
done = true;
break;
}
node = node->GetNext();
}
if (!done)
doc = defaultFilter.ReadFile(*ff);
SetHtmlText(doc, htmlfile, false);
delete ff;
}
void wxHtmlPrintout::SetHeader(const wxString& header, int pg)
{
if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
m_Headers[0] = header;
if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
m_Headers[1] = header;
}
void wxHtmlPrintout::SetFooter(const wxString& footer, int pg)
{
if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
m_Footers[0] = footer;
if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
m_Footers[1] = footer;
}
void wxHtmlPrintout::CountPages()
{
wxBusyCursor wait;
int pageWidth, pageHeight, mm_w, mm_h;
float ppmm_h, ppmm_v;
GetPageSizePixels(&pageWidth, &pageHeight);
GetPageSizeMM(&mm_w, &mm_h);
ppmm_h = (float)pageWidth / mm_w;
ppmm_v = (float)pageHeight / mm_h;
int pos = 0;
m_NumPages = 0;
// m_PageBreaks[0] = 0;
m_PageBreaks.Clear();
m_PageBreaks.Add( 0);
do
{
pos = m_Renderer->Render((int)( ppmm_h * m_MarginLeft),
(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight),
m_PageBreaks,
pos, true, INT_MAX);
m_PageBreaks.Add( pos);
if( m_PageBreaks.Count() > wxHTML_PRINT_MAX_PAGES)
{
wxMessageBox( _("HTML pagination algorithm generated more than the allowed maximum number of pages and it can't continue any longer!"),
_("Warning"), wxCANCEL | wxICON_ERROR );
break;
}
} while (pos < m_Renderer->GetTotalHeight());
}
void wxHtmlPrintout::RenderPage(wxDC *dc, int page)
{
wxBusyCursor wait;
int pageWidth, pageHeight, mm_w, mm_h, scr_w, scr_h, dc_w, dc_h;
float ppmm_h, ppmm_v;
GetPageSizePixels(&pageWidth, &pageHeight);
GetPageSizeMM(&mm_w, &mm_h);
ppmm_h = (float)pageWidth / mm_w;
ppmm_v = (float)pageHeight / mm_h;
wxDisplaySize(&scr_w, &scr_h);
dc->GetSize(&dc_w, &dc_h);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
wxUnusedVar(ppiPrinterX);
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
wxUnusedVar(ppiScreenX);
dc->SetUserScale((double)dc_w / (double)pageWidth,
(double)dc_h / (double)pageHeight);
m_Renderer->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
dc->SetBackgroundMode(wxTRANSPARENT);
m_Renderer->Render((int) (ppmm_h * m_MarginLeft),
(int) (ppmm_v * (m_MarginTop + (m_HeaderHeight == 0 ? 0 : m_MarginSpace)) + m_HeaderHeight), m_PageBreaks,
m_PageBreaks[page-1], false, m_PageBreaks[page]-m_PageBreaks[page-1]);
m_RendererHdr->SetDC(dc, (double)ppiPrinterY / (double)ppiScreenY);
if (m_Headers[page % 2] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Headers[page % 2], page));
m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (ppmm_v * m_MarginTop), m_PageBreaks);
}
if (m_Footers[page % 2] != wxEmptyString)
{
m_RendererHdr->SetHtmlText(TranslateHeader(m_Footers[page % 2], page));
m_RendererHdr->Render((int) (ppmm_h * m_MarginLeft), (int) (pageHeight - ppmm_v * m_MarginBottom - m_FooterHeight), m_PageBreaks);
}
}
wxString wxHtmlPrintout::TranslateHeader(const wxString& instr, int page)
{
wxString r = instr;
wxString num;
num.Printf(wxT("%i"), page);
r.Replace(wxT("@PAGENUM@"), num);
num.Printf(wxT("%lu"), (unsigned long)(m_PageBreaks.Count() - 1));
r.Replace(wxT("@PAGESCNT@"), num);
const wxDateTime now = wxDateTime::Now();
r.Replace(wxT("@DATE@"), now.FormatDate());
r.Replace(wxT("@TIME@"), now.FormatTime());
r.Replace(wxT("@TITLE@"), GetTitle());
return r;
}
void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right, float spaces)
{
m_MarginTop = top;
m_MarginBottom = bottom;
m_MarginLeft = left;
m_MarginRight = right;
m_MarginSpace = spaces;
}
void wxHtmlPrintout::SetFonts(const wxString& normal_face, const wxString& fixed_face,
const int *sizes)
{
m_Renderer->SetFonts(normal_face, fixed_face, sizes);
m_RendererHdr->SetFonts(normal_face, fixed_face, sizes);
}
void wxHtmlPrintout::SetStandardFonts(int size,
const wxString& normal_face,
const wxString& fixed_face)
{
m_Renderer->SetStandardFonts(size, normal_face, fixed_face);
m_RendererHdr->SetStandardFonts(size, normal_face, fixed_face);
}
//----------------------------------------------------------------------------
// wxHtmlEasyPrinting
//----------------------------------------------------------------------------
wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxWindow *parentWindow)
{
m_ParentWindow = parentWindow;
m_Name = name;
m_PrintData = NULL;
m_PageSetupData = new wxPageSetupDialogData;
m_Headers[0] = m_Headers[1] = m_Footers[0] = m_Footers[1] = wxEmptyString;
m_PageSetupData->EnableMargins(true);
m_PageSetupData->SetMarginTopLeft(wxPoint(25, 25));
m_PageSetupData->SetMarginBottomRight(wxPoint(25, 25));
SetStandardFonts(DEFAULT_PRINT_FONT_SIZE);
}
wxHtmlEasyPrinting::~wxHtmlEasyPrinting()
{
delete m_PrintData;
delete m_PageSetupData;
}
wxPrintData *wxHtmlEasyPrinting::GetPrintData()
{
if (m_PrintData == NULL)
m_PrintData = new wxPrintData();
return m_PrintData;
}
bool wxHtmlEasyPrinting::PreviewFile(const wxString &htmlfile)
{
wxHtmlPrintout *p1 = CreatePrintout();
p1->SetHtmlFile(htmlfile);
wxHtmlPrintout *p2 = CreatePrintout();
p2->SetHtmlFile(htmlfile);
return DoPreview(p1, p2);
}
bool wxHtmlEasyPrinting::PreviewText(const wxString &htmltext, const wxString &basepath)
{
wxHtmlPrintout *p1 = CreatePrintout();
p1->SetHtmlText(htmltext, basepath, true);
wxHtmlPrintout *p2 = CreatePrintout();
p2->SetHtmlText(htmltext, basepath, true);
return DoPreview(p1, p2);
}
bool wxHtmlEasyPrinting::PrintFile(const wxString &htmlfile)
{
wxHtmlPrintout *p = CreatePrintout();
p->SetHtmlFile(htmlfile);
bool ret = DoPrint(p);
delete p;
return ret;
}
bool wxHtmlEasyPrinting::PrintText(const wxString &htmltext, const wxString &basepath)
{
wxHtmlPrintout *p = CreatePrintout();
p->SetHtmlText(htmltext, basepath, true);
bool ret = DoPrint(p);
delete p;
return ret;
}
bool wxHtmlEasyPrinting::DoPreview(wxHtmlPrintout *printout1, wxHtmlPrintout *printout2)
{
// Pass two printout objects: for preview, and possible printing.
wxPrintDialogData printDialogData(*GetPrintData());
wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
if (!preview->Ok())
{
delete preview;
return false;
}
wxPreviewFrame *frame = new wxPreviewFrame(preview, m_ParentWindow,
m_Name + _(" Preview"),
wxPoint(100, 100), wxSize(650, 500));
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(true);
return true;
}
bool wxHtmlEasyPrinting::DoPrint(wxHtmlPrintout *printout)
{
wxPrintDialogData printDialogData(*GetPrintData());
wxPrinter printer(&printDialogData);
if (!printer.Print(m_ParentWindow, printout, true))
{
return false;
}
(*GetPrintData()) = printer.GetPrintDialogData().GetPrintData();
return true;
}
void wxHtmlEasyPrinting::PageSetup()
{
if (!GetPrintData()->Ok())
{
wxLogError(_("There was a problem during page setup: you may need to set a default printer."));
return;
}
m_PageSetupData->SetPrintData(*GetPrintData());
wxPageSetupDialog pageSetupDialog(m_ParentWindow, m_PageSetupData);
if (pageSetupDialog.ShowModal() == wxID_OK)
{
(*GetPrintData()) = pageSetupDialog.GetPageSetupData().GetPrintData();
(*m_PageSetupData) = pageSetupDialog.GetPageSetupData();
}
}
void wxHtmlEasyPrinting::SetHeader(const wxString& header, int pg)
{
if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
m_Headers[0] = header;
if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
m_Headers[1] = header;
}
void wxHtmlEasyPrinting::SetFooter(const wxString& footer, int pg)
{
if (pg == wxPAGE_ALL || pg == wxPAGE_EVEN)
m_Footers[0] = footer;
if (pg == wxPAGE_ALL || pg == wxPAGE_ODD)
m_Footers[1] = footer;
}
void wxHtmlEasyPrinting::SetFonts(const wxString& normal_face, const wxString& fixed_face,
const int *sizes)
{
m_fontMode = FontMode_Explicit;
m_FontFaceNormal = normal_face;
m_FontFaceFixed = fixed_face;
if (sizes)
{
m_FontsSizes = m_FontsSizesArr;
for (int i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
}
else
m_FontsSizes = NULL;
}
void wxHtmlEasyPrinting::SetStandardFonts(int size,
const wxString& normal_face,
const wxString& fixed_face)
{
m_fontMode = FontMode_Standard;
m_FontFaceNormal = normal_face;
m_FontFaceFixed = fixed_face;
m_FontsSizesArr[0] = size;
}
wxHtmlPrintout *wxHtmlEasyPrinting::CreatePrintout()
{
wxHtmlPrintout *p = new wxHtmlPrintout(m_Name);
if (m_fontMode == FontMode_Explicit)
{
p->SetFonts(m_FontFaceNormal, m_FontFaceFixed, m_FontsSizes);
}
else // FontMode_Standard
{
p->SetStandardFonts(m_FontsSizesArr[0],
m_FontFaceNormal, m_FontFaceFixed);
}
p->SetHeader(m_Headers[0], wxPAGE_EVEN);
p->SetHeader(m_Headers[1], wxPAGE_ODD);
p->SetFooter(m_Footers[0], wxPAGE_EVEN);
p->SetFooter(m_Footers[1], wxPAGE_ODD);
p->SetMargins(m_PageSetupData->GetMarginTopLeft().y,
m_PageSetupData->GetMarginBottomRight().y,
m_PageSetupData->GetMarginTopLeft().x,
m_PageSetupData->GetMarginBottomRight().x);
return p;
}
// A module to allow initialization/cleanup
// without calling these functions from app.cpp or from
// the user's application.
class wxHtmlPrintingModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxHtmlPrintingModule)
public:
wxHtmlPrintingModule() : wxModule() {}
bool OnInit() { return true; }
void OnExit() { wxHtmlPrintout::CleanUpStatics(); }
};
IMPLEMENT_DYNAMIC_CLASS(wxHtmlPrintingModule, wxModule)
// This hack forces the linker to always link in m_* files
// (wxHTML doesn't work without handlers from these files)
#include "wx/html/forcelnk.h"
FORCE_WXHTML_MODULES()
#endif // wxUSE_HTML & wxUSE_PRINTING_ARCHITECTURE
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