X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/81d66cf39f810503baed79213bc3122fda0ccc7b..cbbb1f548962b30c43849e29fd64eceb4d8720e8:/src/msw/printwin.cpp?ds=sidebyside diff --git a/src/msw/printwin.cpp b/src/msw/printwin.cpp index 609a04235c..9018f7de70 100644 --- a/src/msw/printwin.cpp +++ b/src/msw/printwin.cpp @@ -1,363 +1,463 @@ ///////////////////////////////////////////////////////////////////////////// -// 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" - -#define WINDOWS_PRINTING (wxTheApp->GetPrintMode() == wxPRINT_WINDOWS) +// 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 - */ - -wxWindowsPrinter::wxWindowsPrinter(wxPrintData *data): - wxPrinterBase(data) -{ - lpAbortProc = (WXFARPROC) MakeProcInstance((FARPROC) wxAbortProc, wxGetInstance()); -} +// =========================================================================== +// implementation +// =========================================================================== + +// --------------------------------------------------------------------------- +// Printer +// --------------------------------------------------------------------------- -wxWindowsPrinter::~wxWindowsPrinter(void) +wxWindowsPrinter::wxWindowsPrinter(wxPrintDialogData *data) + : wxPrinterBase(data) { - FreeProcInstance((FARPROC) lpAbortProc); } bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt) { - abortIt = FALSE; - 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; - - printData.SetMinPage(minPage); - printData.SetMaxPage(maxPage); - if (fromPage != 0) - printData.SetFromPage(fromPage); - if (toPage != 0) - printData.SetToPage(toPage); - - if (minPage != 0) - { - printData.EnablePageNumbers(TRUE); - if (printData.GetFromPage() < printData.GetMinPage()) - printData.SetFromPage(printData.GetMinPage()); - else if (printData.GetFromPage() > printData.GetMaxPage()) - printData.SetFromPage(printData.GetMaxPage()); - if (printData.GetToPage() > printData.GetMaxPage()) - printData.SetToPage(printData.GetMaxPage()); - else if (printData.GetToPage() < printData.GetMinPage()) - printData.SetToPage(printData.GetMinPage()); - } - else - printData.EnablePageNumbers(FALSE); - - // Create a suitable device context - wxDC *dc = NULL; - if (prompt) - { - wxPrintDialog dialog(parent, & printData); - if (dialog.ShowModal() == wxID_OK) - { - dc = dialog.GetPrintDC(); - printData = dialog.GetPrintData(); - } - } - else - { - dc = new wxPrinterDC("", "", "", FALSE, printData.GetOrientation()); - } - - // May have pressed cancel. - if (!dc || !dc->Ok()) - { - if (dc) delete dc; - return FALSE; - } - - int logPPIScreenX = 0; - int logPPIScreenY = 0; - int logPPIPrinterX = 0; - int logPPIPrinterY = 0; - - HDC hdc = ::GetDC(NULL); - logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX); - logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY); - ::ReleaseDC(NULL, hdc); - - logPPIPrinterX = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSX); - logPPIPrinterY = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSY); - if (logPPIPrinterX == 0 || logPPIPrinterY == 0) - { - delete dc; - return FALSE; - } + sm_abortIt = false; + sm_abortWindow = NULL; + + if (!printout) + { + sm_lastError = wxPRINTER_ERROR; + return false; + } + + 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 = wxDynamicCast(PrintDialog(parent), wxPrinterDC); + if (!dc) + return false; + } + else + { + dc = new wxPrinterDC(m_printDialogData.GetPrintData()); + } - printout->SetPPIScreen(logPPIScreenX, logPPIScreenY); - printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); + // May have pressed cancel. + if (!dc || !dc->IsOk()) + { + if (dc) delete dc; + return false; + } - // Set printout parameters - printout->SetDC(dc); + wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl(); - int w, h; - long ww, hh; - dc->GetSize(&w, &h); - printout->SetPageSizePixels((int)w, (int)h); - dc->GetSizeMM(&ww, &hh); - printout->SetPageSizeMM((int)ww, (int)hh); + HDC hdc = ::GetDC(NULL); + int logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX); + int logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY); + ::ReleaseDC(NULL, hdc); - // Create an abort window - wxBeginBusyCursor(); + int logPPIPrinterX = ::GetDeviceCaps((HDC) impl->GetHDC(), LOGPIXELSX); + int logPPIPrinterY = ::GetDeviceCaps((HDC) impl->GetHDC(), LOGPIXELSY); + if (logPPIPrinterX == 0 || logPPIPrinterY == 0) + { + delete dc; + sm_lastError = wxPRINTER_ERROR; + return false; + } - wxWindow *win = CreateAbortWindow(parent, printout); - wxYield(); + printout->SetPPIScreen(logPPIScreenX, logPPIScreenY); + printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); -#if defined(__BORLANDC__) || defined(__GNUWIN32__) || !defined(__WIN32__) - ::SetAbortProc((HDC) dc->GetHDC(), (FARPROC) 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 - )lpAbortProc); -#endif + // Set printout parameters + printout->SetDC(dc); - if (!win) - { - wxEndBusyCursor(); - wxMessageBox("Sorry, could not create an abort dialog.", "Print Error", wxOK, parent); - delete dc; - } - abortWindow = win; - abortWindow->Show(TRUE); - wxYield(); - - printout->OnBeginPrinting(); - - bool keepGoing = TRUE; - - int copyCount; - for (copyCount = 1; copyCount <= printData.GetNoCopies(); copyCount ++) - { - if (!printout->OnBeginDocument(printData.GetFromPage(), printData.GetToPage())) + 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 + 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) { - wxEndBusyCursor(); - wxMessageBox("Could not start printing.", "Print Error", wxOK, parent); - break; + sm_lastError = wxPRINTER_ERROR; + return false; } - if (abortIt) - break; - int pn; - for (pn = printData.GetFromPage(); keepGoing && (pn <= printData.GetToPage()) && printout->HasPage(pn); - pn++) + // Only set min and max, because from and to have been + // set by the user + m_printDialogData.SetMinPage(minPage); + m_printDialogData.SetMaxPage(maxPage); + + wxWindow *win = CreateAbortWindow(parent, printout); + wxYield(); + + ::SetAbortProc(GetHdcOf(*impl), wxAbortProc); + + if (!win) { - if (abortIt) - { - keepGoing = FALSE; - break; - } - else - { -// int dcID = ::SaveDC(dc->GetHDC()); - dc->StartPage(); - printout->OnPrintPage(pn); - dc->EndPage(); -// ::RestoreDC(dc->GetHDC(), dcID); - } + wxLogDebug(wxT("Could not create an abort dialog.")); + sm_lastError = wxPRINTER_ERROR; + + delete dc; + return false; } - printout->OnEndDocument(); - } + sm_abortWindow = win; + sm_abortWindow->Show(); + wxSafeYield(); + + printout->OnBeginPrinting(); - printout->OnEndPrinting(); + sm_lastError = wxPRINTER_NO_ERROR; - if (abortWindow) - { - abortWindow->Show(FALSE); - delete abortWindow; - abortWindow = NULL; - } + int minPageNum = minPage, maxPageNum = maxPage; - wxEndBusyCursor(); + if ( !m_printDialogData.GetAllPages() ) + { + minPageNum = m_printDialogData.GetFromPage(); + maxPageNum = m_printDialogData.GetToPage(); + } - delete dc; - - return TRUE; + int copyCount; + for ( copyCount = 1; + copyCount <= m_printDialogData.GetNoCopies(); + copyCount++ ) + { + if ( !printout->OnBeginDocument(minPageNum, maxPageNum) ) + { + wxLogError(_("Could not start printing.")); + sm_lastError = wxPRINTER_ERROR; + break; + } + if (sm_abortIt) + { + sm_lastError = wxPRINTER_CANCELLED; + break; + } + + int pn; + + for ( pn = minPageNum; + pn <= maxPageNum && printout->HasPage(pn); + pn++ ) + { + if ( sm_abortIt ) + { + sm_lastError = wxPRINTER_CANCELLED; + break; + } + + dc->StartPage(); + bool cont = printout->OnPrintPage(pn); + dc->EndPage(); + + if ( !cont ) + { + sm_lastError = wxPRINTER_CANCELLED; + break; + } + } + + printout->OnEndDocument(); + } + + printout->OnEndPrinting(); + + if (sm_abortWindow) + { + sm_abortWindow->Show(false); + wxDELETE(sm_abortWindow); + } + + delete dc; + + return sm_lastError == wxPRINTER_NO_ERROR; } -bool wxWindowsPrinter::PrintDialog(wxWindow *parent) +wxDC *wxWindowsPrinter::PrintDialog(wxWindow *parent) { - wxPrintDialog dialog(parent, & printData); - return (dialog.ShowModal() == wxID_OK); + wxDC *dc = NULL; + + 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)) { - wxPrintDialog dialog(parent, & printData); - dialog.GetPrintData().SetSetupDialog(TRUE); - return (dialog.ShowModal() == wxID_OK); +#if 0 + // We no longer expose that dialog + wxPrintDialog dialog(parent, & m_printDialogData); + dialog.GetPrintDialogData().SetSetupDialog(true); + + int ret = dialog.ShowModal(); + + if (ret == wxID_OK) + { + m_printDialogData = dialog.GetPrintDialogData(); + } + + return (ret == wxID_OK); +#else + return false; +#endif } /* - * Print preview - */ +* Print preview +*/ + +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) +wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, + wxPrintout *printoutForPrinting, + wxPrintData *data) + : wxPrintPreviewBase(printout, printoutForPrinting, data) { - DetermineScaling(); + DetermineScaling(); } -wxWindowsPrintPreview::~wxWindowsPrintPreview(void) +wxWindowsPrintPreview::~wxWindowsPrintPreview() { } bool wxWindowsPrintPreview::Print(bool interactive) { - if (!printPrintout) - return FALSE; - wxWindowsPrinter printer(&printData); - return printer.Print(previewFrame, printPrintout, interactive); + if (!m_printPrintout) + 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); - previewPrintout->SetPPIScreen(logPPIScreenX, logPPIScreenY); - - ::ReleaseDC(NULL, dc); + m_previewPrintout->SetPPIScreen(logPPIScreenX, logPPIScreenY); // Get a device context for the currently selected printer - wxPrinterDC printerDC("", "", "", FALSE, printData.GetOrientation()); + wxPrinterDC printerDC(m_printDialogData.GetPrintData()); + + int printerWidthMM; + int printerHeightMM; + int printerXRes; + int printerYRes; + int logPPIPrinterX; + int logPPIPrinterY; - int printerWidth = 150; - int printerHeight = 250; - int printerXRes = 1500; - int printerYRes = 2500; + wxRect paperRect; - if (printerDC.GetHDC()) + 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); - - previewPrintout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); - previewPrintout->SetPageSizeMM(printerWidth, printerHeight); - - if (logPPIPrinterX == 0 || logPPIPrinterY == 0 || printerWidth == 0 || printerHeight == 0) - 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 - isOk = FALSE; - - pageWidth = printerXRes; - pageHeight = printerYRes; + { + // 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. - previewScale = (float)((float)screenWidth/(float)printerWidth); - previewScale = 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; + + wxEnhMetaFile *metafile = metaDC.Close(); + if ( !metafile ) + return false; - FUNCTION: wxAbortProc() + // now render the metafile: + wxMemoryDC bmpDC; + bmpDC.SelectObject(bmp); + bmpDC.Clear(); - PURPOSE: Processes messages for the Abort Dialog box + wxRect outRect(0, 0, bmp.GetWidth(), bmp.GetHeight()); + metafile->Play(&bmpDC, &outRect); -****************************************************************************/ -LONG APIENTRY _EXPORT wxAbortProc(HDC WXUNUSED(hPr), int WXUNUSED(Code)) + 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::abortWindow) /* If the abort dialog isn't up yet */ + if (!wxPrinterBase::sm_abortWindow) /* If the abort dialog isn't up yet */ return(TRUE); /* Process messages intended for the abort dialog box */ - while (!wxPrinterBase::abortIt && PeekMessage(&msg, 0, 0, 0, TRUE)) - if (!IsDialogMessage((HWND) wxPrinterBase::abortWindow->GetHWND(), &msg)) { + 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::abortIt); + return !wxPrinterBase::sm_abortIt; } +#endif + // wxUSE_PRINTING_ARCHITECTURE