diff --git a/src/myprintout.cpp b/src/myprintout.cpp new file mode 100644 index 0000000..0295936 --- /dev/null +++ b/src/myprintout.cpp @@ -0,0 +1,194 @@ +/* + * Copyright 2014 Zane U. Ji. + * + * This file is part of Xml Copy Editor. + * + * Xml Copy Editor is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * Xml Copy Editor is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Xml Copy Editor; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#ifndef WX_PRECOMP +#include +#include +#endif +#include "myprintout.h" +#include "xmldoc.h" + +MyPrintout::MyPrintout ( XmlDoc *doc, const wxString &title ) + : wxPrintout ( title ) + , mDoc ( doc ) + , mMinPage ( 1 ) + , mMaxPage ( 0 ) +{ + wxASSERT ( doc ); +} + +MyPrintout::~MyPrintout() +{ +} + +void MyPrintout::OnPreparePrinting() +{ + if ( !mDoc ) + return; + + mDoc->SetPrintWrapMode ( wxSTC_WRAP_WORD ); + mDoc->SetPrintMagnification ( mDoc->GetZoom() ); + + SetupDC(); + + //Lets make a guess as to how many pages there are based on the default printer. + mMaxPage = CalcMaxPage(); + mMinPage = 1; // start printing at page# 1 + + // default preparation + wxPrintout::OnPreparePrinting(); +} + +void MyPrintout::OnBeginPrinting() +{ + wxPrintout::OnBeginPrinting(); + + SetupDC(); +} + +void MyPrintout::OnEndPrinting() +{ + wxPrintout::OnEndPrinting(); +} + +bool MyPrintout::HasPage ( int nPage ) +{ + return ( nPage >= mMinPage && nPage <= mMaxPage ); +} + +void MyPrintout::GetPageInfo + ( int *minPage + , int *maxPage + , int *pageFrom + , int *pageTo + ) +{ + *minPage = mMinPage; + *maxPage = mMaxPage; + *pageFrom = mMinPage; + *pageTo = mMaxPage; +} + +bool MyPrintout::OnPrintPage ( int page ) +{ + wxDC *dc = GetDC(); + if ( !( dc && mDoc ) ) + return false; + + int header, footer; + dc->SetLogicalOrigin ( -mPrintRect.x, -mPrintRect.y ); + header = PrintHeader(); //print the header + dc->SetLogicalOrigin ( -mPrintRect.x, -mPrintRect.height - mPrintRect.y ); + footer = PrintFooter(); //Print the footer + mPrintRect.y += header; + mPrintRect.height -= header + footer; + dc->SetLogicalOrigin ( 0, 0 ); + + mDoc->FormatRange ( true, mStartPositions [ page - 1 ], mDoc->GetLength(), + dc, dc, mPrintRect, mPageRect ); + + return true; +} + +void MyPrintout::SetupDC() +{ + wxDC *dc = GetDC(); + wxASSERT ( dc && mDoc ); + + // From wxWidgets + // get printer and screen sizing values + wxSize ppiScr; + GetPPIScreen ( &ppiScr.x, &ppiScr.y ); + if ( ppiScr.x == 0 ) { // most possible guess 96 dpi + ppiScr.x = 96; + ppiScr.y = 96; + } + wxSize ppiPrt; + GetPPIPrinter ( &ppiPrt.x, &ppiPrt.y ); + if ( ppiPrt.x == 0 ) { // scaling factor to 1 + ppiPrt.x = ppiScr.x; + ppiPrt.y = ppiScr.y; + } + wxSize dcSize = dc->GetSize(); + wxSize pageSize; + GetPageSizePixels (&pageSize.x, &pageSize.y); + + // set user scale + double scaleX = double ( ppiPrt.x ) * dcSize.x / + ( double ( ppiScr.x ) * pageSize.x ); + double scaleY = double ( ppiPrt.y ) * dcSize.y / + ( double ( ppiScr.y ) * pageSize.y ); + dc->SetUserScale ( scaleX, scaleY ); + + mPageRect = GetLogicalPageRect(); + mPrintRect = GetLogicalPageMarginsRect ( GetPageData() ); +} + +int MyPrintout::CalcMaxPage() +{ + mStartPositions.clear(); + + wxDC *dc = GetDC(); + if ( !( dc && mDoc ) ) + return 0; + + if ( mPrintRect.IsEmpty() ) + return 0; + + int start = 0; + int end = mDoc->GetLength(); + while ( start < end ) + { + mStartPositions.push_back ( start ); + start = mDoc->FormatRange ( false, start, end, dc, dc + , mPrintRect, mPageRect ); + } + + return mStartPositions.size(); +} + +// Returns the height of the header +int MyPrintout::PrintHeader() +{ + return 0; +} + +// Returns the height of the footer +int MyPrintout::PrintFooter() +{ + return 0; +} + +wxPageSetupDialogData &MyPrintout::GetPageData() +{ + static wxPageSetupDialogData data; + static bool bInitialized = false; + + if ( !bInitialized ) + { + // Set page margins that are in mm. 25.4mm = 1" + data.SetMarginTopLeft ( wxPoint ( 15, 15 ) ); + data.SetMarginBottomRight ( wxPoint ( 15, 15 ) ); + data.SetPaperId ( wxPAPER_A4 ); + + bInitialized = true; + } + return data; +} diff --git a/src/myprintout.h b/src/myprintout.h new file mode 100644 index 0000000..4e695a6 --- /dev/null +++ b/src/myprintout.h @@ -0,0 +1,63 @@ +/* + * Copyright 2014 Zane U. Ji. + * + * This file is part of Xml Copy Editor. + * + * Xml Copy Editor is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * Xml Copy Editor is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Xml Copy Editor; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef MYPRINTOUT_H_ +#define MYPRINTOUT_H_ + +#include +#include + +class XmlDoc; + +class MyPrintout: public wxPrintout +{ +public: + MyPrintout ( XmlDoc *doc, const wxString &title ); + virtual ~MyPrintout(); + + virtual void OnPreparePrinting(); + + virtual void OnBeginPrinting(); + virtual void OnEndPrinting(); + + virtual bool HasPage ( int nPage ); + virtual bool OnPrintPage ( int nPage ); + virtual void GetPageInfo ( int *minPage, int *maxPage, int *pageFrom + , int *pageTo ); + + static wxPageSetupDialogData &GetPageData(); + +protected: + void SetupDC(); + + int CalcMaxPage(); + + // Returns the height of the header + int PrintHeader(); + // Returns the height of the footer + int PrintFooter(); + +protected: + XmlDoc *mDoc; + int mMinPage, mMaxPage; // 1 based + std::vector mStartPositions; // Start positions of each page + wxRect mPrintRect, mPageRect; +}; + +#endif /* MYPRINTOUT_H_ */