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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "printps.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #include "wx/defs.h"
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/utils.h"
  35     #include "wx/dc.h"
  36     #include "wx/app.h"
  37     #include "wx/msgdlg.h"
  38     #include "wx/intl.h"
  39     #include "wx/progdlg.h"
  40 #endif
  41
  42 #include "wx/generic/printps.h"
  43 #include "wx/dcprint.h"
  44 #include "wx/printdlg.h"
  45 #include "wx/generic/prntdlgg.h"
  46 #include "wx/paper.h"
  47
  48 #include <stdlib.h>
  49
  50 // ----------------------------------------------------------------------------
  51 // wxWin macros
  52 // ----------------------------------------------------------------------------
  53
  54 #if !USE_SHARED_LIBRARY
  55     IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  56     IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  57 #endif
  58
  59 // ============================================================================
  60 // implementation
  61 // ============================================================================
  62
  63 // ----------------------------------------------------------------------------
  64 // Printer
  65 // ----------------------------------------------------------------------------
  66
  67 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data)
  68                    : wxPrinterBase(data)
  69 {
  70 }
  71
  72 wxPostScriptPrinter::~wxPostScriptPrinter()
  73 {
  74 }
  75
  76 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  77 {
  78     sm_abortIt = FALSE;
  79     sm_abortWindow = (wxWindow *) NULL;
  80
  81     if (!printout)
  82         return FALSE;
  83
  84     printout->SetIsPreview(FALSE);
  85     printout->OnPreparePrinting();
  86
  87     // Get some parameters from the printout, if defined
  88     int fromPage, toPage;
  89     int minPage, maxPage;
  90     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
  91
  92     if (maxPage == 0)
  93         return FALSE;
  94
  95     m_printDialogData.SetMinPage(minPage);
  96     m_printDialogData.SetMaxPage(maxPage);
  97     if (fromPage != 0)
  98         m_printDialogData.SetFromPage(fromPage);
  99     if (toPage != 0)
 100         m_printDialogData.SetToPage(toPage);
 101
 102     if (minPage != 0)
 103     {
 104         m_printDialogData.EnablePageNumbers(TRUE);
 105         if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
 106             m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
 107         else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
 108             m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
 109         if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
 110             m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
 111         else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
 112             m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
 113     }
 114     else
 115         m_printDialogData.EnablePageNumbers(FALSE);
 116
 117
 118     // Create a suitable device context
 119     wxDC *dc = (wxDC *) NULL;
 120     if (prompt)
 121     {
 122         dc = PrintDialog(parent);
 123         if (!dc)
 124             return FALSE;
 125     }
 126     else
 127     {
 128         dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
 129     }
 130
 131     // May have pressed cancel.
 132     if (!dc || !dc->Ok())
 133     {
 134         if (dc) delete dc;
 135         return FALSE;
 136     }
 137
 138     int logPPIScreenX = 0;
 139     int logPPIScreenY = 0;
 140     int logPPIPrinterX = 0;
 141     int logPPIPrinterY = 0;
 142
 143     logPPIScreenX = 100;
 144     logPPIScreenY = 100;
 145
 146     /*
 147     // Correct values for X/PostScript?
 148     logPPIPrinterX = 100;
 149     logPPIPrinterY = 100;
 150     */
 151
 152     logPPIPrinterX = 72;
 153     logPPIPrinterY = 72;
 154
 155     printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
 156     printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
 157
 158     // Set printout parameters
 159     printout->SetDC(dc);
 160
 161     int w, h;
 162     dc->GetSize(&w, &h);
 163     printout->SetPageSizePixels((int)w, (int)h);
 164     dc->GetSizeMM(&w, &h);
 165     printout->SetPageSizeMM((int)w, (int)h);
 166
 167     // Create an abort window
 168     wxBeginBusyCursor();
 169
 170     int
 171        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
 172        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
 173        printedPages = 0;
 174     // Open the progress bar dialog
 175     wxProgressDialog *progressDialog = new wxProgressDialog (
 176        printout->GetTitle(),
 177        _("Printing..."),
 178        totalPages,
 179        parent );
 180
 181     printout->OnBeginPrinting();
 182
 183     bool keepGoing = TRUE;
 184
 185     int copyCount;
 186     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 187     {
 188         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 189         {
 190             wxEndBusyCursor();
 191             wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 192             break;
 193         }
 194         if (sm_abortIt)
 195             break;
 196
 197         int pn;
 198         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 199         pn++)
 200         {
 201             if (sm_abortIt)
 202             {
 203                 keepGoing = FALSE;
 204                 break;
 205             }
 206             else
 207             {
 208                wxString msg;
 209                msg.Printf(_("Printing page %d..."), printedPages+1);
 210                if(progressDialog->Update(printedPages++, msg))
 211                {
 212                   dc->StartPage();
 213                   printout->OnPrintPage(pn);
 214                   dc->EndPage();
 215                }
 216                else
 217                {
 218                   sm_abortIt = true;
 219                   keepGoing = false;
 220                }
 221             }
 222         }
 223         printout->OnEndDocument();
 224     }
 225
 226     printout->OnEndPrinting();
 227     delete progressDialog;
 228
 229     wxEndBusyCursor();
 230
 231     delete dc;
 232
 233     return TRUE;
 234 }
 235
 236 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 237 {
 238     wxDC* dc = (wxDC*) NULL;
 239     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 240     int ret = dialog->ShowModal() ;
 241     if (ret == wxID_OK)
 242     {
 243         dc = dialog->GetPrintDC();
 244         m_printDialogData = dialog->GetPrintDialogData();
 245     }
 246     dialog->Destroy();
 247
 248     return dc;
 249 }
 250
 251 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 252 {
 253     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 254     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 255
 256     int ret = dialog->ShowModal();
 257
 258     if (ret == wxID_OK)
 259     {
 260         m_printDialogData = dialog->GetPrintDialogData();
 261     }
 262
 263     dialog->Destroy();
 264
 265     return (ret == wxID_OK);
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // Print preview
 270 // ----------------------------------------------------------------------------
 271
 272 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 273                                     wxPrintout * WXUNUSED(printoutForPrinting))
 274 {
 275     // Have to call it here since base constructor can't call it
 276     DetermineScaling();
 277 }
 278
 279 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 280                                                    wxPrintout *printoutForPrinting,
 281                                                    wxPrintDialogData *data)
 282                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 283 {
 284     Init(printout, printoutForPrinting);
 285 }
 286
 287 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 288                                                    wxPrintout *printoutForPrinting,
 289                                                    wxPrintData *data)
 290                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 291 {
 292     Init(printout, printoutForPrinting);
 293 }
 294
 295 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 296 {
 297 }
 298
 299 bool wxPostScriptPrintPreview::Print(bool interactive)
 300 {
 301     if (!m_printPrintout)
 302         return FALSE;
 303     wxPostScriptPrinter printer(& m_printDialogData);
 304     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 305 }
 306
 307 void wxPostScriptPrintPreview::DetermineScaling()
 308 {
 309     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 310     if (paperType == wxPAPER_NONE)
 311         paperType = wxPAPER_NONE;
 312
 313     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 314     if (!paper)
 315         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 316
 317     if (paper)
 318     {
 319         m_previewPrintout->SetPPIScreen(100, 100);
 320         //      m_previewPrintout->SetPPIPrinter(100, 100);
 321         m_previewPrintout->SetPPIPrinter(72, 72);
 322
 323         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 324         wxSize sizeTenthsMM(paper->GetSize());
 325         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 326
 327         // If in landscape mode, we need to swap the width and height.
 328         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 329         {
 330             m_pageWidth = sizeDevUnits.y;
 331             m_pageHeight = sizeDevUnits.x;
 332             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 333             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 334         }
 335         else
 336         {
 337             m_pageWidth = sizeDevUnits.x;
 338             m_pageHeight = sizeDevUnits.y;
 339             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 340             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 341         }
 342
 343         // At 100%, the page should look about page-size on the screen.
 344         m_previewScale = (float)0.8;
 345     }
 346 }
 347