#if wxUSE_PRINTING_ARCHITECTURE && (!defined(__WXUNIVERSAL__) || !wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)
#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcdlg.h"
#include "wx/window.h"
#include "wx/msw/private.h"
#include "wx/utils.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/log.h"
+#include "wx/msw/printdlg.h"
#include "wx/msw/private.h"
+#include "wx/msw/dcprint.h"
+#include "wx/msw/enhmeta.h"
#include <stdlib.h>
-#include "wx/msw/wrapcdlg.h"
#ifndef __WIN32__
#include <print.h>
#endif
wxWindowsPrinter::wxWindowsPrinter(wxPrintDialogData *data)
: wxPrinterBase(data)
{
- m_lpAbortProc = (WXFARPROC) MakeProcInstance((FARPROC) wxAbortProc, wxGetInstance());
+ m_lpAbortProc = (WXFARPROC)wxAbortProc;
}
wxWindowsPrinter::~wxWindowsPrinter()
m_printDialogData.SetMaxPage(9999);
// Create a suitable device context
- wxDC *dc wxDUMMY_INITIALIZE(NULL);
+ wxPrinterDC *dc wxDUMMY_INITIALIZE(NULL);
if (prompt)
{
- dc = PrintDialog(parent);
+ dc = wxDynamicCast(PrintDialog(parent), wxPrinterDC);
if (!dc)
return false;
}
}
// May have pressed cancel.
- if (!dc || !dc->Ok())
+ if (!dc || !dc->IsOk())
{
if (dc) delete dc;
return false;
}
+ wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
+
HDC hdc = ::GetDC(NULL);
int logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX);
int logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY);
::ReleaseDC(NULL, hdc);
- int logPPIPrinterX = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSX);
- int 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;
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);
wxWindow *win = CreateAbortWindow(parent, printout);
wxYield();
-#if defined(__WATCOMC__) || defined(__BORLANDC__) || defined(__GNUWIN32__) || defined(__SALFORDC__) || !defined(__WIN32__)
+#if defined(__WATCOMC__) || defined(__BORLANDC__) || defined(__GNUWIN32__) || !defined(__WIN32__)
#ifdef STRICT
- ::SetAbortProc((HDC) dc->GetHDC(), (ABORTPROC) m_lpAbortProc);
+ ::SetAbortProc((HDC) impl->GetHDC(), (ABORTPROC) m_lpAbortProc);
#else
- ::SetAbortProc((HDC) dc->GetHDC(), (FARPROC) m_lpAbortProc);
+ ::SetAbortProc((HDC) impl->GetHDC(), (FARPROC) m_lpAbortProc);
#endif
#else
- ::SetAbortProc((HDC) dc->GetHDC(), (int (_stdcall *)
+ ::SetAbortProc((HDC) impl->GetHDC(), (int (_stdcall *)
// cast it to right type only if required
// FIXME 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
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)
void wxWindowsPrintPreview::DetermineScaling()
{
- HDC dc = ::GetDC(NULL);
- int screenWidth = ::GetDeviceCaps(dc, HORZSIZE);
- 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 wxDUMMY_INITIALIZE(250);
- int printerXRes = 1500;
- int printerYRes = 2500;
+ int printerWidthMM;
+ int printerHeightMM;
+ int printerXRes;
+ int printerYRes;
+ int logPPIPrinterX;
+ int logPPIPrinterY;
+
+ wxRect paperRect;
- dc = GetHdcOf(printerDC);
- if ( dc )
+ if ( printerDC.IsOk() )
{
- printerWidth = ::GetDeviceCaps(dc, HORZSIZE);
- printerHeight = ::GetDeviceCaps(dc, VERTSIZE);
+ 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);
- int logPPIPrinterX = ::GetDeviceCaps(dc, LOGPIXELSX);
- int logPPIPrinterY = ::GetDeviceCaps(dc, LOGPIXELSY);
+ paperRect = printerDC.GetPaperRect();
- m_previewPrintout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
- m_previewPrintout->SetPageSizeMM(printerWidth, printerHeight);
-
- if (logPPIPrinterX == 0 || logPPIPrinterY == 0 || printerWidth == 0 || printerHeight == 0)
+ if ( logPPIPrinterX == 0 ||
+ logPPIPrinterY == 0 ||
+ printerWidthMM == 0 ||
+ printerHeightMM == 0 )
+ {
m_isOk = false;
+ }
}
else
+ {
+ // 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)screenYRes/(float)printerYRes);
+ m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
+ m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
}
+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;
+
+ // 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;
+}
+
+
/****************************************************************************
FUNCTION: wxAbortProc()
projects / wxWidgets.git / blobdiff