X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7bcb11d30764df47144189e164f53d8171ed4a63..1fd850ab550a30bc600d5a10c5aed5386bf3624b:/src/msw/printwin.cpp?ds=sidebyside diff --git a/src/msw/printwin.cpp b/src/msw/printwin.cpp index f65d3e7431..0c8a2ed652 100644 --- a/src/msw/printwin.cpp +++ b/src/msw/printwin.cpp @@ -1,269 +1,287 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: printwin.cpp +// Name: src/msw/printwin.cpp // Purpose: wxWindowsPrinter framework // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "printwin.h" -#endif +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// headers +// --------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#include "wx/defs.h" +// Don't use the Windows printer if we're in wxUniv mode and using +// the PostScript architecture +#if wxUSE_PRINTING_ARCHITECTURE && (!defined(__WXUNIVERSAL__) || !wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW) #ifndef WX_PRECOMP -#include "wx/utils.h" -#include "wx/dc.h" -#include "wx/app.h" -#include "wx/msgdlg.h" + #include "wx/msw/wrapcdlg.h" + #include "wx/window.h" + #include "wx/msw/private.h" + #include "wx/utils.h" + #include "wx/dc.h" + #include "wx/app.h" + #include "wx/msgdlg.h" + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/dcprint.h" + #include "wx/dcmemory.h" + #include "wx/image.h" #endif +#include "wx/msw/dib.h" +#include "wx/msw/dcmemory.h" #include "wx/msw/printwin.h" -#include "wx/dcprint.h" -#include "wx/printdlg.h" +#include "wx/msw/printdlg.h" #include "wx/msw/private.h" - +#include "wx/msw/dcprint.h" +#if wxUSE_ENH_METAFILE + #include "wx/msw/enhmeta.h" +#endif #include -#include -#include -// Clash with Windows header files -#ifdef StartDoc -#undef StartDoc -#endif +// --------------------------------------------------------------------------- +// private functions +// --------------------------------------------------------------------------- -#ifndef __WIN32__ -#include -#endif +BOOL CALLBACK wxAbortProc(HDC hdc, int error); -LONG APIENTRY _EXPORT wxAbortProc(HDC hPr, int Code); +// --------------------------------------------------------------------------- +// wxWin macros +// --------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxWindowsPrinter, wxPrinterBase) -IMPLEMENT_CLASS(wxWindowsPrintPreview, wxPrintPreviewBase) -#endif + IMPLEMENT_DYNAMIC_CLASS(wxWindowsPrinter, wxPrinterBase) + IMPLEMENT_CLASS(wxWindowsPrintPreview, wxPrintPreviewBase) -/* -* Printer -*/ +// =========================================================================== +// implementation +// =========================================================================== -wxWindowsPrinter::wxWindowsPrinter(wxPrintDialogData *data): -wxPrinterBase(data) -{ - m_lpAbortProc = (WXFARPROC) MakeProcInstance((FARPROC) wxAbortProc, wxGetInstance()); -} +// --------------------------------------------------------------------------- +// Printer +// --------------------------------------------------------------------------- -wxWindowsPrinter::~wxWindowsPrinter(void) +wxWindowsPrinter::wxWindowsPrinter(wxPrintDialogData *data) + : wxPrinterBase(data) { - FreeProcInstance((FARPROC) m_lpAbortProc); } bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt) { - sm_abortIt = FALSE; + sm_abortIt = false; sm_abortWindow = NULL; - + if (!printout) - return FALSE; - - printout->SetIsPreview(FALSE); - printout->OnPreparePrinting(); - - // Get some parameters from the printout, if defined - int fromPage, toPage; - int minPage, maxPage; - printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage); - - if (maxPage == 0) - return FALSE; - - m_printDialogData.SetMinPage(minPage); - m_printDialogData.SetMaxPage(maxPage); - if (fromPage != 0) - m_printDialogData.SetFromPage(fromPage); - if (toPage != 0) - m_printDialogData.SetToPage(toPage); - - if (minPage != 0) { - m_printDialogData.EnablePageNumbers(TRUE); - if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage()) - m_printDialogData.SetFromPage(m_printDialogData.GetMinPage()); - else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage()) - m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage()); - if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage()) - m_printDialogData.SetToPage(m_printDialogData.GetMaxPage()); - else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage()) - m_printDialogData.SetToPage(m_printDialogData.GetMinPage()); + sm_lastError = wxPRINTER_ERROR; + return false; } - else - m_printDialogData.EnablePageNumbers(FALSE); - // Create a suitable device context - wxDC *dc = NULL; + if (m_printDialogData.GetMinPage() < 1) + m_printDialogData.SetMinPage(1); + if (m_printDialogData.GetMaxPage() < 1) + m_printDialogData.SetMaxPage(9999); + + // Create a suitable device context + wxPrinterDC *dc wxDUMMY_INITIALIZE(NULL); if (prompt) { - dc = PrintDialog(parent); + dc = wxDynamicCast(PrintDialog(parent), wxPrinterDC); if (!dc) - return FALSE; + return false; } else { - // dc = new wxPrinterDC("", "", "", FALSE, m_printData.GetOrientation()); dc = new wxPrinterDC(m_printDialogData.GetPrintData()); } - + // May have pressed cancel. - if (!dc || !dc->Ok()) + if (!dc || !dc->IsOk()) { if (dc) delete dc; - return FALSE; + return false; } - - int logPPIScreenX = 0; - int logPPIScreenY = 0; - int logPPIPrinterX = 0; - int logPPIPrinterY = 0; - + + wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl(); + HDC hdc = ::GetDC(NULL); - logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX); - logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY); + int logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX); + int logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY); ::ReleaseDC(NULL, hdc); - - logPPIPrinterX = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSX); - logPPIPrinterY = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSY); + + int logPPIPrinterX = ::GetDeviceCaps((HDC) impl->GetHDC(), LOGPIXELSX); + int logPPIPrinterY = ::GetDeviceCaps((HDC) impl->GetHDC(), LOGPIXELSY); if (logPPIPrinterX == 0 || logPPIPrinterY == 0) { delete dc; - return FALSE; + sm_lastError = wxPRINTER_ERROR; + return false; } - + printout->SetPPIScreen(logPPIScreenX, logPPIScreenY); printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); - - // Set printout parameters + + // Set printout parameters printout->SetDC(dc); - + int w, h; dc->GetSize(&w, &h); printout->SetPageSizePixels((int)w, (int)h); + printout->SetPaperRectPixels(dc->GetPaperRect()); dc->GetSizeMM(&w, &h); printout->SetPageSizeMM((int)w, (int)h); - + // Create an abort window - wxBeginBusyCursor(); - - wxWindow *win = CreateAbortWindow(parent, printout); + wxBusyCursor busyCursor; + + printout->OnPreparePrinting(); + + // Get some parameters from the printout, if defined + int fromPage, toPage; + int minPage, maxPage; + printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage); + + if (maxPage == 0) + { + sm_lastError = wxPRINTER_ERROR; + return false; + } + + // Only set min and max, because from and to have been + // set by the user + m_printDialogData.SetMinPage(minPage); + m_printDialogData.SetMaxPage(maxPage); + + wxPrintAbortDialog *win = CreateAbortWindow(parent, printout); wxYield(); - -#if defined(__BORLANDC__) || defined(__GNUWIN32__) || defined(__SALFORDC__) || !defined(__WIN32__) - ::SetAbortProc((HDC) dc->GetHDC(), (FARPROC) m_lpAbortProc); -#else - ::SetAbortProc((HDC) dc->GetHDC(), (int (_stdcall *) - // cast it to right type only if required - // @@@ it's really cdecl and we're casting it to stdcall - either there is - // something I don't understand or it will crash at first usage -#ifdef STRICT - (HDC, int) -#else - () -#endif - )m_lpAbortProc); -#endif - + + ::SetAbortProc(GetHdcOf(*impl), wxAbortProc); + if (!win) { - wxEndBusyCursor(); - wxMessageBox("Sorry, could not create an abort dialog.", "Print Error", wxOK, parent); + wxLogDebug(wxT("Could not create an abort dialog.")); + sm_lastError = wxPRINTER_ERROR; + delete dc; + return false; } sm_abortWindow = win; - sm_abortWindow->Show(TRUE); - wxYield(); - + sm_abortWindow->Show(); + wxSafeYield(); + printout->OnBeginPrinting(); - - bool keepGoing = TRUE; - - int copyCount; - for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++) + + sm_lastError = wxPRINTER_NO_ERROR; + + int minPageNum = minPage, maxPageNum = maxPage; + + if ( !m_printDialogData.GetAllPages() ) + { + minPageNum = m_printDialogData.GetFromPage(); + maxPageNum = m_printDialogData.GetToPage(); + } + + const int maxCopyCount = m_printDialogData.GetNoCopies(); + for ( int copyCount = 1; copyCount <= maxCopyCount; copyCount++ ) { - if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage())) + if ( !printout->OnBeginDocument(minPageNum, maxPageNum) ) { - wxEndBusyCursor(); - wxMessageBox("Could not start printing.", "Print Error", wxOK, parent); + wxLogError(_("Could not start printing.")); + sm_lastError = wxPRINTER_ERROR; break; } if (sm_abortIt) + { + sm_lastError = wxPRINTER_CANCELLED; break; - + } + int pn; - for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn); - pn++) + + for ( pn = minPageNum; + pn <= maxPageNum && printout->HasPage(pn); + pn++ ) { - if (sm_abortIt) + win->SetProgress(pn - minPageNum + 1, + maxPageNum - minPageNum + 1, + copyCount, maxCopyCount); + + if ( sm_abortIt ) { - keepGoing = FALSE; + sm_lastError = wxPRINTER_CANCELLED; break; } - else + + dc->StartPage(); + bool cont = printout->OnPrintPage(pn); + dc->EndPage(); + + if ( !cont ) { - dc->StartPage(); - printout->OnPrintPage(pn); - dc->EndPage(); + sm_lastError = wxPRINTER_CANCELLED; + break; } } + printout->OnEndDocument(); } - + printout->OnEndPrinting(); - + if (sm_abortWindow) { - sm_abortWindow->Show(FALSE); - delete sm_abortWindow; - sm_abortWindow = NULL; + sm_abortWindow->Show(false); + wxDELETE(sm_abortWindow); } - - wxEndBusyCursor(); - + delete dc; - - return TRUE; + + return sm_lastError == wxPRINTER_NO_ERROR; } -wxDC* wxWindowsPrinter::PrintDialog(wxWindow *parent) +wxDC *wxWindowsPrinter::PrintDialog(wxWindow *parent) { - wxDC* dc = (wxDC*) NULL; + wxDC *dc = NULL; - wxPrintDialog dialog(parent, & m_printDialogData); + wxWindowsPrintDialog dialog(parent, & m_printDialogData); int ret = dialog.ShowModal(); if (ret == wxID_OK) { dc = dialog.GetPrintDC(); m_printDialogData = dialog.GetPrintDialogData(); + if (dc == NULL) + sm_lastError = wxPRINTER_ERROR; + else + sm_lastError = wxPRINTER_NO_ERROR; } + else + sm_lastError = wxPRINTER_CANCELLED; return dc; } -bool wxWindowsPrinter::Setup(wxWindow *parent) +bool wxWindowsPrinter::Setup(wxWindow *WXUNUSED(parent)) { +#if 0 + // We no longer expose that dialog wxPrintDialog dialog(parent, & m_printDialogData); - dialog.GetPrintDialogData().SetSetupDialog(TRUE); + dialog.GetPrintDialogData().SetSetupDialog(true); int ret = dialog.ShowModal(); @@ -273,103 +291,175 @@ bool wxWindowsPrinter::Setup(wxWindow *parent) } return (ret == wxID_OK); +#else + return false; +#endif } /* * Print preview */ -wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintDialogData *data): -wxPrintPreviewBase(printout, printoutForPrinting, data) +wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, + wxPrintout *printoutForPrinting, + wxPrintDialogData *data) + : wxPrintPreviewBase(printout, printoutForPrinting, data) +{ + DetermineScaling(); +} + +wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, + wxPrintout *printoutForPrinting, + wxPrintData *data) + : wxPrintPreviewBase(printout, printoutForPrinting, data) { DetermineScaling(); } -wxWindowsPrintPreview::~wxWindowsPrintPreview(void) +wxWindowsPrintPreview::~wxWindowsPrintPreview() { } bool wxWindowsPrintPreview::Print(bool interactive) { if (!m_printPrintout) - return FALSE; + return false; wxWindowsPrinter printer(&m_printDialogData); return printer.Print(m_previewFrame, m_printPrintout, interactive); } -void wxWindowsPrintPreview::DetermineScaling(void) +void wxWindowsPrintPreview::DetermineScaling() { - HDC dc = ::GetDC(NULL); - int screenWidth = ::GetDeviceCaps(dc, HORZSIZE); - // int screenHeight = ::GetDeviceCaps(dc, VERTSIZE); - int screenXRes = ::GetDeviceCaps(dc, HORZRES); - // int screenYRes = ::GetDeviceCaps(dc, VERTRES); + ScreenHDC dc; int logPPIScreenX = ::GetDeviceCaps(dc, LOGPIXELSX); int logPPIScreenY = ::GetDeviceCaps(dc, LOGPIXELSY); m_previewPrintout->SetPPIScreen(logPPIScreenX, logPPIScreenY); - - ::ReleaseDC(NULL, dc); - + // Get a device context for the currently selected printer wxPrinterDC printerDC(m_printDialogData.GetPrintData()); - - int printerWidth = 150; - int printerHeight = 250; - int printerXRes = 1500; - int printerYRes = 2500; - - if (printerDC.GetHDC()) + + int printerWidthMM; + int printerHeightMM; + int printerXRes; + int printerYRes; + int logPPIPrinterX; + int logPPIPrinterY; + + wxRect paperRect; + + if ( printerDC.IsOk() ) { - printerWidth = ::GetDeviceCaps((HDC) printerDC.GetHDC(), HORZSIZE); - printerHeight = ::GetDeviceCaps((HDC) printerDC.GetHDC(), VERTSIZE); - printerXRes = ::GetDeviceCaps((HDC) printerDC.GetHDC(), HORZRES); - printerYRes = ::GetDeviceCaps((HDC) printerDC.GetHDC(), VERTRES); - - int logPPIPrinterX = ::GetDeviceCaps((HDC) printerDC.GetHDC(), LOGPIXELSX); - int logPPIPrinterY = ::GetDeviceCaps((HDC) printerDC.GetHDC(), LOGPIXELSY); - - m_previewPrintout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); - m_previewPrintout->SetPageSizeMM(printerWidth, printerHeight); - - if (logPPIPrinterX == 0 || logPPIPrinterY == 0 || printerWidth == 0 || printerHeight == 0) - m_isOk = FALSE; + wxPrinterDCImpl *impl = (wxPrinterDCImpl*) printerDC.GetImpl(); + HDC dc = GetHdcOf(*impl); + printerWidthMM = ::GetDeviceCaps(dc, HORZSIZE); + printerHeightMM = ::GetDeviceCaps(dc, VERTSIZE); + printerXRes = ::GetDeviceCaps(dc, HORZRES); + printerYRes = ::GetDeviceCaps(dc, VERTRES); + logPPIPrinterX = ::GetDeviceCaps(dc, LOGPIXELSX); + logPPIPrinterY = ::GetDeviceCaps(dc, LOGPIXELSY); + + paperRect = printerDC.GetPaperRect(); + + if ( logPPIPrinterX == 0 || + logPPIPrinterY == 0 || + printerWidthMM == 0 || + printerHeightMM == 0 ) + { + m_isOk = false; + } } else - m_isOk = FALSE; - + { + // use some defaults + printerWidthMM = 150; + printerHeightMM = 250; + printerXRes = 1500; + printerYRes = 2500; + logPPIPrinterX = 600; + logPPIPrinterY = 600; + + paperRect = wxRect(0, 0, printerXRes, printerYRes); + m_isOk = false; + } m_pageWidth = printerXRes; m_pageHeight = printerYRes; - + m_previewPrintout->SetPageSizePixels(printerXRes, printerYRes); + m_previewPrintout->SetPageSizeMM(printerWidthMM, printerHeightMM); + m_previewPrintout->SetPaperRectPixels(paperRect); + m_previewPrintout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); + // At 100%, the page should look about page-size on the screen. - m_previewScale = (float)((float)screenWidth/(float)printerWidth); - m_previewScale = m_previewScale * (float)((float)screenXRes/(float)printerYRes); + m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX; + m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY; } -/**************************************************************************** +#if wxUSE_ENH_METAFILE +bool wxWindowsPrintPreview::RenderPageIntoBitmap(wxBitmap& bmp, int pageNum) +{ + // The preview, as implemented in wxPrintPreviewBase (and as used prior to + // wx3) is inexact: it uses screen DC, which has much lower resolution and + // has other properties different from printer DC, so the preview is not + // quite right. + // + // To make matters worse, if the application depends heavily on + // GetTextExtent() or does text layout itself, the output in preview and on + // paper can be very different. In particular, wxHtmlEasyPrinting is + // affected and the preview can be easily off by several pages. + // + // To fix this, we render the preview into high-resolution enhanced + // metafile with properties identical to the printer DC. This guarantees + // metrics correctness while still being fast. + + + // print the preview into a metafile: + wxPrinterDC printerDC(m_printDialogData.GetPrintData()); + wxEnhMetaFileDC metaDC(printerDC, + wxEmptyString, + printerDC.GetSize().x, printerDC.GetSize().y); + + if ( !RenderPageIntoDC(metaDC, pageNum) ) + return false; - FUNCTION: wxAbortProc() - - PURPOSE: Processes messages for the Abort Dialog box - -****************************************************************************/ + wxEnhMetaFile *metafile = metaDC.Close(); + if ( !metafile ) + return false; -LONG APIENTRY _EXPORT wxAbortProc(HDC WXUNUSED(hPr), int WXUNUSED(Code)) + // now render the metafile: + wxMemoryDC bmpDC; + bmpDC.SelectObject(bmp); + bmpDC.Clear(); + + wxRect outRect(0, 0, bmp.GetWidth(), bmp.GetHeight()); + metafile->Play(&bmpDC, &outRect); + + + delete metafile; + + // TODO: we should keep the metafile and reuse it when changing zoom level + + return true; +} +#endif // wxUSE_ENH_METAFILE + +BOOL CALLBACK wxAbortProc(HDC WXUNUSED(hdc), int WXUNUSED(error)) { MSG msg; - + if (!wxPrinterBase::sm_abortWindow) /* If the abort dialog isn't up yet */ return(TRUE); - + /* Process messages intended for the abort dialog box */ - - while (!wxPrinterBase::sm_abortIt && PeekMessage(&msg, 0, 0, 0, TRUE)) + + while (!wxPrinterBase::sm_abortIt && ::PeekMessage(&msg, 0, 0, 0, TRUE)) if (!IsDialogMessage((HWND) wxPrinterBase::sm_abortWindow->GetHWND(), &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } - - /* bAbort is TRUE (return is FALSE) if the user has aborted */ - - return (!wxPrinterBase::sm_abortIt); + + /* bAbort is TRUE (return is FALSE) if the user has aborted */ + + return !wxPrinterBase::sm_abortIt; } +#endif + // wxUSE_PRINTING_ARCHITECTURE