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