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 #if wxUSE_PRINTING_ARCHITECTURE
  34
  35 #ifndef WX_PRECOMP
  36     #include "wx/utils.h"
  37     #include "wx/dc.h"
  38     #include "wx/app.h"
  39     #include "wx/msgdlg.h"
  40     #include "wx/intl.h"
  41     #include "wx/progdlg.h"
  42 #endif
  43
  44 #include "wx/generic/printps.h"
  45 #include "wx/dcprint.h"
  46 #include "wx/printdlg.h"
  47 #include "wx/generic/prntdlgg.h"
  48 #include "wx/generic/progdlgg.h"
  49 #include "wx/paper.h"
  50
  51 #include <stdlib.h>
  52
  53 // ----------------------------------------------------------------------------
  54 // wxWin macros
  55 // ----------------------------------------------------------------------------
  56
  57 #if !USE_SHARED_LIBRARY
  58     IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  59     IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  60 #endif
  61
  62 // ============================================================================
  63 // implementation
  64 // ============================================================================
  65
  66 // ----------------------------------------------------------------------------
  67 // Printer
  68 // ----------------------------------------------------------------------------
  69
  70 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data)
  71                    : wxPrinterBase(data)
  72 {
  73 }
  74
  75 wxPostScriptPrinter::~wxPostScriptPrinter()
  76 {
  77 }
  78
  79 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  80 {
  81     sm_abortIt = FALSE;
  82     sm_abortWindow = (wxWindow *) NULL;
  83
  84     if (!printout)
  85         return FALSE;
  86
  87     printout->SetIsPreview(FALSE);
  88
  89     // 4/9/99, JACS: this is a silly place to allow preparation, considering
  90     // the DC and no parameters have been set in the printout object.
  91     // Moved further down.
  92
  93     // printout->OnPreparePrinting();
  94
  95     // Get some parameters from the printout, if defined
  96     int fromPage, toPage;
  97     int minPage, maxPage;
  98     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
  99
 100     if (maxPage == 0)
 101         return FALSE;
 102
 103     m_printDialogData.SetMinPage(minPage);
 104     m_printDialogData.SetMaxPage(maxPage);
 105     if (fromPage != 0)
 106         m_printDialogData.SetFromPage(fromPage);
 107     if (toPage != 0)
 108         m_printDialogData.SetToPage(toPage);
 109
 110     if (minPage != 0)
 111     {
 112         m_printDialogData.EnablePageNumbers(TRUE);
 113         if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
 114             m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
 115         else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
 116             m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
 117         if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
 118             m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
 119         else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
 120             m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
 121     }
 122     else
 123         m_printDialogData.EnablePageNumbers(FALSE);
 124
 125
 126     // Create a suitable device context
 127     wxDC *dc = (wxDC *) NULL;
 128     if (prompt)
 129     {
 130         dc = PrintDialog(parent);
 131         if (!dc)
 132             return FALSE;
 133     }
 134     else
 135     {
 136         dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
 137     }
 138
 139     // May have pressed cancel.
 140     if (!dc || !dc->Ok())
 141     {
 142         if (dc) delete dc;
 143         return FALSE;
 144     }
 145
 146     int logPPIScreenX = 0;
 147     int logPPIScreenY = 0;
 148     int logPPIPrinterX = 0;
 149     int logPPIPrinterY = 0;
 150
 151     logPPIScreenX = 100;
 152     logPPIScreenY = 100;
 153
 154     /*
 155     // Correct values for X/PostScript?
 156     logPPIPrinterX = 100;
 157     logPPIPrinterY = 100;
 158     */
 159
 160     logPPIPrinterX = 72;
 161     logPPIPrinterY = 72;
 162
 163     printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
 164     printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
 165
 166     // Set printout parameters
 167     printout->SetDC(dc);
 168
 169     int w, h;
 170     dc->GetSize(&w, &h);
 171     printout->SetPageSizePixels((int)w, (int)h);
 172     dc->GetSizeMM(&w, &h);
 173     printout->SetPageSizeMM((int)w, (int)h);
 174
 175     // Create an abort window
 176     wxBeginBusyCursor();
 177
 178     printout->OnPreparePrinting();
 179
 180     int
 181        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
 182        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
 183        printedPages = 0;
 184     // Open the progress bar dialog
 185     wxProgressDialog *progressDialog = new wxProgressDialog (
 186        printout->GetTitle(),
 187        _("Printing..."),
 188        totalPages,
 189        parent,
 190        wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
 191
 192     printout->OnBeginPrinting();
 193
 194     bool keepGoing = TRUE;
 195
 196     int copyCount;
 197     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 198     {
 199         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 200         {
 201             wxEndBusyCursor();
 202             wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 203             break;
 204         }
 205         if (sm_abortIt)
 206             break;
 207
 208         int pn;
 209         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 210         pn++)
 211         {
 212             if (sm_abortIt)
 213             {
 214                 keepGoing = FALSE;
 215                 break;
 216             }
 217             else
 218             {
 219                wxString msg;
 220                msg.Printf(_("Printing page %d..."), printedPages+1);
 221                if(progressDialog->Update(printedPages++, msg))
 222                {
 223                   dc->StartPage();
 224                   printout->OnPrintPage(pn);
 225                   dc->EndPage();
 226                }
 227                else
 228                {
 229                   sm_abortIt = TRUE;
 230                   keepGoing = FALSE;
 231                }
 232             }
 233             wxYield();
 234         }
 235         printout->OnEndDocument();
 236     }
 237
 238     printout->OnEndPrinting();
 239     delete progressDialog;
 240
 241     wxEndBusyCursor();
 242
 243     delete dc;
 244
 245     return TRUE;
 246 }
 247
 248 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 249 {
 250     wxDC* dc = (wxDC*) NULL;
 251     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 252     int ret = dialog->ShowModal() ;
 253     if (ret == wxID_OK)
 254     {
 255         dc = dialog->GetPrintDC();
 256         m_printDialogData = dialog->GetPrintDialogData();
 257     }
 258     dialog->Destroy();
 259
 260     return dc;
 261 }
 262
 263 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 264 {
 265     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 266     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 267
 268     int ret = dialog->ShowModal();
 269
 270     if (ret == wxID_OK)
 271     {
 272         m_printDialogData = dialog->GetPrintDialogData();
 273     }
 274
 275     dialog->Destroy();
 276
 277     return (ret == wxID_OK);
 278 }
 279
 280 // ----------------------------------------------------------------------------
 281 // Print preview
 282 // ----------------------------------------------------------------------------
 283
 284 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 285                                     wxPrintout * WXUNUSED(printoutForPrinting))
 286 {
 287     // Have to call it here since base constructor can't call it
 288     DetermineScaling();
 289 }
 290
 291 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 292                                                    wxPrintout *printoutForPrinting,
 293                                                    wxPrintDialogData *data)
 294                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 295 {
 296     Init(printout, printoutForPrinting);
 297 }
 298
 299 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 300                                                    wxPrintout *printoutForPrinting,
 301                                                    wxPrintData *data)
 302                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 303 {
 304     Init(printout, printoutForPrinting);
 305 }
 306
 307 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 308 {
 309 }
 310
 311 bool wxPostScriptPrintPreview::Print(bool interactive)
 312 {
 313     if (!m_printPrintout)
 314         return FALSE;
 315     wxPostScriptPrinter printer(& m_printDialogData);
 316     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 317 }
 318
 319 void wxPostScriptPrintPreview::DetermineScaling()
 320 {
 321     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 322     if (paperType == wxPAPER_NONE)
 323         paperType = wxPAPER_NONE;
 324
 325     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 326     if (!paper)
 327         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 328
 329     if (paper)
 330     {
 331         m_previewPrintout->SetPPIScreen(100, 100);
 332         //      m_previewPrintout->SetPPIPrinter(100, 100);
 333         m_previewPrintout->SetPPIPrinter(72, 72);
 334
 335         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 336         wxSize sizeTenthsMM(paper->GetSize());
 337         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 338
 339         // If in landscape mode, we need to swap the width and height.
 340         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 341         {
 342             m_pageWidth = sizeDevUnits.y;
 343             m_pageHeight = sizeDevUnits.x;
 344             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 345             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 346         }
 347         else
 348         {
 349             m_pageWidth = sizeDevUnits.x;
 350             m_pageHeight = sizeDevUnits.y;
 351             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 352             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 353         }
 354
 355         // At 100%, the page should look about page-size on the screen.
 356         m_previewScale = (float)0.8;
 357     }
 358 }
 359
 360 #endif