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 = maxPage-minPage+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        /* disable parent only */ true,
 181        /* show abort button */ true);
 182
 183     printout->OnBeginPrinting();
 184
 185     bool keepGoing = TRUE;
 186
 187     int copyCount;
 188     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 189     {
 190         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 191         {
 192             wxEndBusyCursor();
 193             wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 194             break;
 195         }
 196         if (sm_abortIt)
 197             break;
 198
 199         int pn;
 200         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 201         pn++)
 202         {
 203             if (sm_abortIt)
 204             {
 205                 keepGoing = FALSE;
 206                 break;
 207             }
 208             else
 209             {
 210                wxString msg;
 211                msg.Printf(_("Printing page %d..."), printedPages+1);
 212                if(progressDialog->Update(printedPages++, msg))
 213                {
 214                   dc->StartPage();
 215                   printout->OnPrintPage(pn);
 216                   dc->EndPage();
 217                }
 218                else
 219                {
 220                   sm_abortIt = true;
 221                   keepGoing = false;
 222                }
 223             }
 224         }
 225         printout->OnEndDocument();
 226     }
 227
 228     printout->OnEndPrinting();
 229     delete progressDialog;
 230
 231     wxEndBusyCursor();
 232
 233     delete dc;
 234
 235     return TRUE;
 236 }
 237
 238 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 239 {
 240     wxDC* dc = (wxDC*) NULL;
 241     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 242     int ret = dialog->ShowModal() ;
 243     if (ret == wxID_OK)
 244     {
 245         dc = dialog->GetPrintDC();
 246         m_printDialogData = dialog->GetPrintDialogData();
 247     }
 248     dialog->Destroy();
 249
 250     return dc;
 251 }
 252
 253 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 254 {
 255     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 256     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 257
 258     int ret = dialog->ShowModal();
 259
 260     if (ret == wxID_OK)
 261     {
 262         m_printDialogData = dialog->GetPrintDialogData();
 263     }
 264
 265     dialog->Destroy();
 266
 267     return (ret == wxID_OK);
 268 }
 269
 270 // ----------------------------------------------------------------------------
 271 // Print preview
 272 // ----------------------------------------------------------------------------
 273
 274 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 275                                     wxPrintout * WXUNUSED(printoutForPrinting))
 276 {
 277     // Have to call it here since base constructor can't call it
 278     DetermineScaling();
 279 }
 280
 281 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 282                                                    wxPrintout *printoutForPrinting,
 283                                                    wxPrintDialogData *data)
 284                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 285 {
 286     Init(printout, printoutForPrinting);
 287 }
 288
 289 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 290                                                    wxPrintout *printoutForPrinting,
 291                                                    wxPrintData *data)
 292                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 293 {
 294     Init(printout, printoutForPrinting);
 295 }
 296
 297 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 298 {
 299 }
 300
 301 bool wxPostScriptPrintPreview::Print(bool interactive)
 302 {
 303     if (!m_printPrintout)
 304         return FALSE;
 305     wxPostScriptPrinter printer(& m_printDialogData);
 306     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 307 }
 308
 309 void wxPostScriptPrintPreview::DetermineScaling()
 310 {
 311     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 312     if (paperType == wxPAPER_NONE)
 313         paperType = wxPAPER_NONE;
 314
 315     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 316     if (!paper)
 317         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 318
 319     if (paper)
 320     {
 321         m_previewPrintout->SetPPIScreen(100, 100);
 322         //      m_previewPrintout->SetPPIPrinter(100, 100);
 323         m_previewPrintout->SetPPIPrinter(72, 72);
 324
 325         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 326         wxSize sizeTenthsMM(paper->GetSize());
 327         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 328
 329         // If in landscape mode, we need to swap the width and height.
 330         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 331         {
 332             m_pageWidth = sizeDevUnits.y;
 333             m_pageHeight = sizeDevUnits.x;
 334             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 335             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 336         }
 337         else
 338         {
 339             m_pageWidth = sizeDevUnits.x;
 340             m_pageHeight = sizeDevUnits.y;
 341             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 342             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 343         }
 344
 345         // At 100%, the page should look about page-size on the screen.
 346         m_previewScale = (float)0.8;
 347     }
 348 }
 349