src/generic/printps.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        printps.cpp
   3 // Purpose:     Postscript print/preview framework
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "printps.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #include "wx/defs.h"
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/utils.h"
  27 #include "wx/dc.h"
  28 #include "wx/app.h"
  29 #include "wx/msgdlg.h"
  30 #include <wx/intl.h>
  31 #endif
  32
  33 #include "wx/generic/printps.h"
  34 #include "wx/dcprint.h"
  35 #include "wx/printdlg.h"
  36 #include "wx/generic/prntdlgg.h"
  37
  38 #include <stdlib.h>
  39
  40 #if !USE_SHARED_LIBRARY
  41 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  42 IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  43 #endif
  44
  45 /*
  46  * Printer
  47  */
  48
  49 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintData *data):
  50     wxPrinterBase(data)
  51 {
  52 }
  53
  54 wxPostScriptPrinter::~wxPostScriptPrinter(void)
  55 {
  56 }
  57
  58 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  59 {
  60   sm_abortIt = FALSE;
  61   sm_abortWindow = (wxWindow *) NULL;
  62
  63   if (!printout)
  64     return FALSE;
  65
  66   printout->SetIsPreview(FALSE);
  67   printout->OnPreparePrinting();
  68
  69   // Get some parameters from the printout, if defined
  70   int fromPage, toPage;
  71   int minPage, maxPage;
  72   printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
  73
  74   if (maxPage == 0)
  75     return FALSE;
  76
  77   m_printData.SetMinPage(minPage);
  78   m_printData.SetMaxPage(maxPage);
  79   if (fromPage != 0)
  80     m_printData.SetFromPage(fromPage);
  81   if (toPage != 0)
  82     m_printData.SetToPage(toPage);
  83
  84   if (minPage != 0)
  85   {
  86     m_printData.EnablePageNumbers(TRUE);
  87     if (m_printData.GetFromPage() < m_printData.GetMinPage())
  88       m_printData.SetFromPage(m_printData.GetMinPage());
  89     else if (m_printData.GetFromPage() > m_printData.GetMaxPage())
  90       m_printData.SetFromPage(m_printData.GetMaxPage());
  91     if (m_printData.GetToPage() > m_printData.GetMaxPage())
  92       m_printData.SetToPage(m_printData.GetMaxPage());
  93     else if (m_printData.GetToPage() < m_printData.GetMinPage())
  94       m_printData.SetToPage(m_printData.GetMinPage());
  95   }
  96   else
  97     m_printData.EnablePageNumbers(FALSE);
  98
  99   // Create a suitable device context
 100   wxDC *dc = (wxDC *) NULL;
 101   if (prompt)
 102   {
 103      wxGenericPrintDialog dialog(parent, & m_printData);
 104      if (dialog.ShowModal() == wxID_OK)
 105      {
 106        dc = dialog.GetPrintDC();
 107        m_printData = dialog.GetPrintData();
 108      }
 109   }
 110   else
 111   {
 112      dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
 113   }
 114
 115   // May have pressed cancel.
 116   if (!dc || !dc->Ok())
 117   {
 118     if (dc) delete dc;
 119     return FALSE;
 120   }
 121
 122   int logPPIScreenX = 0;
 123   int logPPIScreenY = 0;
 124   int logPPIPrinterX = 0;
 125   int logPPIPrinterY = 0;
 126
 127   logPPIScreenX = 100;
 128   logPPIScreenY = 100;
 129
 130 /*
 131   // Correct values for X/PostScript?
 132   logPPIPrinterX = 100;
 133   logPPIPrinterY = 100;
 134 */
 135
 136   logPPIPrinterX = 72;
 137   logPPIPrinterY = 72;
 138
 139   printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
 140   printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
 141
 142   // Set printout parameters
 143   printout->SetDC(dc);
 144
 145   int w, h;
 146   long ww, hh;
 147   dc->GetSize(&w, &h);
 148   printout->SetPageSizePixels((int)w, (int)h);
 149   dc->GetSizeMM(&ww, &hh);
 150   printout->SetPageSizeMM((int)ww, (int)hh);
 151
 152   // Create an abort window
 153   wxBeginBusyCursor();
 154
 155   printout->OnBeginPrinting();
 156
 157   bool keepGoing = TRUE;
 158
 159   int copyCount;
 160   for (copyCount = 1; copyCount <= m_printData.GetNoCopies(); copyCount ++)
 161   {
 162     if (!printout->OnBeginDocument(m_printData.GetFromPage(), m_printData.GetToPage()))
 163     {
 164       wxEndBusyCursor();
 165       wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 166       break;
 167     }
 168     if (sm_abortIt)
 169       break;
 170
 171     int pn;
 172     for (pn = m_printData.GetFromPage(); keepGoing && (pn <= m_printData.GetToPage()) && printout->HasPage(pn);
 173          pn++)
 174     {
 175       if (sm_abortIt)
 176       {
 177         keepGoing = FALSE;
 178         break;
 179       }
 180       else
 181       {
 182         dc->StartPage();
 183         printout->OnPrintPage(pn);
 184         dc->EndPage();
 185       }
 186     }
 187     printout->OnEndDocument();
 188   }
 189
 190   printout->OnEndPrinting();
 191
 192   wxEndBusyCursor();
 193
 194   delete dc;
 195
 196   return TRUE;
 197 }
 198
 199 bool wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 200 {
 201     wxGenericPrintDialog dialog(parent, & m_printData);
 202     return (dialog.ShowModal() == wxID_OK);
 203 }
 204
 205 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 206 {
 207     wxGenericPrintDialog dialog(parent, & m_printData);
 208     dialog.GetPrintData().SetSetupDialog(TRUE);
 209     return (dialog.ShowModal() == wxID_OK);
 210 }
 211
 212 /*
 213  * Print preview
 214  */
 215
 216 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
 217   wxPrintPreviewBase(printout, printoutForPrinting, data)
 218 {
 219   // Have to call it here since base constructor can't call it
 220   DetermineScaling();
 221 }
 222
 223 wxPostScriptPrintPreview::~wxPostScriptPrintPreview(void)
 224 {
 225 }
 226
 227 bool wxPostScriptPrintPreview::Print(bool interactive)
 228 {
 229   if (!m_printPrintout)
 230     return FALSE;
 231   wxPostScriptPrinter printer(&m_printData);
 232   return printer.Print(m_previewFrame, m_printPrintout, interactive);
 233 }
 234
 235 void wxPostScriptPrintPreview::DetermineScaling(void)
 236 {
 237     const char *paperType = wxThePrintSetupData->GetPaperName();
 238     if (!paperType)
 239       paperType = _("A4 210 x 297 mm");
 240
 241     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 242     if (!paper)
 243       paper = wxThePrintPaperDatabase->FindPaperType(_("A4 210 x 297 mm"));
 244     if (paper)
 245     {
 246       m_previewPrintout->SetPPIScreen(100, 100);
 247 //      m_previewPrintout->SetPPIPrinter(100, 100);
 248       m_previewPrintout->SetPPIPrinter(72, 72);
 249
 250       // If in landscape mode, we need to swap the width and height.
 251       if ( m_printData.GetOrientation() == wxLANDSCAPE )
 252       {
 253         m_pageWidth = paper->heightPixels;
 254         m_pageHeight = paper->widthPixels;
 255         m_previewPrintout->SetPageSizeMM(paper->heightMM, paper->widthMM);
 256         m_previewPrintout->SetPageSizePixels(paper->heightPixels, paper->widthPixels);
 257       }
 258       else
 259       {
 260         m_pageWidth = paper->widthPixels;
 261         m_pageHeight = paper->heightPixels;
 262         m_previewPrintout->SetPageSizeMM(paper->widthMM, paper->heightMM);
 263         m_previewPrintout->SetPageSizePixels(paper->widthPixels, paper->heightPixels);
 264       }
 265
 266       // At 100%, the page should look about page-size on the screen.
 267       m_previewScale = (float)0.8;
 268 //      m_previewScale = (float)((float)screenWidth/(float)printerWidth);
 269 //      m_previewScale = previewScale * (float)((float)screenXRes/(float)printerYRes);
 270     }
 271 }
 272