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
   9 // Licence:     wxWindows licence
  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 && wxUSE_POSTSCRIPT
  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     #include "wx/log.h"
  43 #endif
  44
  45 #include "wx/generic/printps.h"
  46 #include "wx/dcprint.h"
  47 #include "wx/printdlg.h"
  48 #include "wx/generic/prntdlgg.h"
  49 #include "wx/generic/progdlgg.h"
  50 #include "wx/paper.h"
  51
  52 #include <stdlib.h>
  53
  54 // ----------------------------------------------------------------------------
  55 // wxWin macros
  56 // ----------------------------------------------------------------------------
  57
  58     IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  59     IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  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     {
  85         sm_lastError = wxPRINTER_ERROR;
  86         return FALSE;
  87     }
  88
  89     printout->SetIsPreview(FALSE);
  90
  91 #if 0
  92     // 4/9/99, JACS: this is a silly place to allow preparation, considering
  93     // the DC and no parameters have been set in the printout object.
  94     // Moved further down.
  95
  96     // printout->OnPreparePrinting();
  97
  98     // Get some parameters from the printout, if defined
  99     int fromPage, toPage;
 100     int minPage, maxPage;
 101     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 102
 103     if (maxPage == 0)
 104     {
 105         sm_lastError = wxPRINTER_ERROR;
 106         return FALSE;
 107     }
 108
 109     m_printDialogData.SetMinPage(minPage);
 110     m_printDialogData.SetMaxPage(maxPage);
 111     if (fromPage != 0)
 112         m_printDialogData.SetFromPage(fromPage);
 113     if (toPage != 0)
 114         m_printDialogData.SetToPage(toPage);
 115
 116     if (minPage != 0)
 117     {
 118         m_printDialogData.EnablePageNumbers(TRUE);
 119         if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
 120             m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
 121         else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
 122             m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
 123         if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
 124             m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
 125         else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
 126             m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
 127     }
 128     else
 129         m_printDialogData.EnablePageNumbers(FALSE);
 130 #endif
 131
 132     if (m_printDialogData.GetMinPage() < 1)
 133         m_printDialogData.SetMinPage(1);
 134     if (m_printDialogData.GetMaxPage() < 1)
 135         m_printDialogData.SetMaxPage(9999);
 136
 137     // Create a suitable device context
 138     wxDC *dc = (wxDC *) NULL;
 139     if (prompt)
 140     {
 141         dc = PrintDialog(parent);
 142         if (!dc)
 143             return FALSE;
 144     }
 145     else
 146     {
 147         dc = new wxPostScriptDC(GetPrintDialogData().GetPrintData());
 148     }
 149
 150     // May have pressed cancel.
 151     if (!dc || !dc->Ok())
 152     {
 153         if (dc) delete dc;
 154         sm_lastError = wxPRINTER_ERROR;
 155         return FALSE;
 156     }
 157
 158     wxSize ScreenPixels = wxGetDisplaySize();
 159     wxSize ScreenMM = wxGetDisplaySizeMM();
 160
 161     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 162                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 163     printout->SetPPIPrinter( wxPostScriptDC::GetResolution(),
 164                              wxPostScriptDC::GetResolution() );
 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     // Get some parameters from the printout, if defined
 181     int fromPage, toPage;
 182     int minPage, maxPage;
 183     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 184
 185     if (maxPage == 0)
 186     {
 187         sm_lastError = wxPRINTER_ERROR;
 188         wxEndBusyCursor();
 189         return FALSE;
 190     }
 191
 192     // Only set min and max, because from and to have been
 193     // set by the user
 194     m_printDialogData.SetMinPage(minPage);
 195     m_printDialogData.SetMaxPage(maxPage);
 196
 197     int
 198        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
 199        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
 200        printedPages = 0;
 201     // Open the progress bar dialog
 202     wxProgressDialog *progressDialog = new wxProgressDialog (
 203        printout->GetTitle(),
 204        _("Printing..."),
 205        totalPages,
 206        parent,
 207        wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
 208
 209     printout->OnBeginPrinting();
 210
 211     sm_lastError = wxPRINTER_NO_ERROR;
 212
 213     bool keepGoing = TRUE;
 214
 215     int copyCount;
 216     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 217     {
 218         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 219         {
 220             wxEndBusyCursor();
 221             wxLogError(_("Could not start printing."));
 222             sm_lastError = wxPRINTER_ERROR;
 223             break;
 224         }
 225         if (sm_abortIt)
 226         {
 227             sm_lastError = wxPRINTER_CANCELLED;
 228             break;
 229         }
 230
 231         int pn;
 232         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 233         pn++)
 234         {
 235             if (sm_abortIt)
 236             {
 237                 keepGoing = FALSE;
 238                 sm_lastError = wxPRINTER_CANCELLED;
 239                 break;
 240             }
 241             else
 242             {
 243                wxString msg;
 244                msg.Printf(_("Printing page %d..."), printedPages+1);
 245                if(progressDialog->Update(printedPages++, msg))
 246                {
 247                   dc->StartPage();
 248                   printout->OnPrintPage(pn);
 249                   dc->EndPage();
 250                }
 251                else
 252                {
 253                   sm_abortIt = TRUE;
 254                   sm_lastError = wxPRINTER_CANCELLED;
 255                   keepGoing = FALSE;
 256                }
 257             }
 258             wxYield();
 259         }
 260         printout->OnEndDocument();
 261     }
 262
 263     printout->OnEndPrinting();
 264     delete progressDialog;
 265
 266     wxEndBusyCursor();
 267
 268     delete dc;
 269
 270     return (sm_lastError == wxPRINTER_NO_ERROR);
 271 }
 272
 273 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 274 {
 275     wxDC* dc = (wxDC*) NULL;
 276     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 277     int ret = dialog->ShowModal() ;
 278     if (ret == wxID_OK)
 279     {
 280         dc = dialog->GetPrintDC();
 281         m_printDialogData = dialog->GetPrintDialogData();
 282         if (dc == NULL)
 283             sm_lastError = wxPRINTER_ERROR;
 284         else
 285             sm_lastError = wxPRINTER_NO_ERROR;
 286     }
 287     else
 288         sm_lastError = wxPRINTER_CANCELLED;
 289
 290     dialog->Destroy();
 291
 292     return dc;
 293 }
 294
 295 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 296 {
 297     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 298     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 299
 300     int ret = dialog->ShowModal();
 301
 302     if (ret == wxID_OK)
 303     {
 304         m_printDialogData = dialog->GetPrintDialogData();
 305     }
 306
 307     dialog->Destroy();
 308
 309     return (ret == wxID_OK);
 310 }
 311
 312 // ----------------------------------------------------------------------------
 313 // Print preview
 314 // ----------------------------------------------------------------------------
 315
 316 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 317                                     wxPrintout * WXUNUSED(printoutForPrinting))
 318 {
 319     // Have to call it here since base constructor can't call it
 320     DetermineScaling();
 321 }
 322
 323 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 324                                                    wxPrintout *printoutForPrinting,
 325                                                    wxPrintDialogData *data)
 326                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 327 {
 328     Init(printout, printoutForPrinting);
 329 }
 330
 331 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 332                                                    wxPrintout *printoutForPrinting,
 333                                                    wxPrintData *data)
 334                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 335 {
 336     Init(printout, printoutForPrinting);
 337 }
 338
 339 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 340 {
 341 }
 342
 343 bool wxPostScriptPrintPreview::Print(bool interactive)
 344 {
 345     if (!m_printPrintout)
 346         return FALSE;
 347     wxPostScriptPrinter printer(& m_printDialogData);
 348     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 349 }
 350
 351 void wxPostScriptPrintPreview::DetermineScaling()
 352 {
 353     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 354     if (paperType == wxPAPER_NONE)
 355         paperType = wxPAPER_NONE;
 356
 357     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 358     if (!paper)
 359         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 360
 361     if (paper)
 362     {
 363         wxSize ScreenPixels = wxGetDisplaySize();
 364         wxSize ScreenMM = wxGetDisplaySizeMM();
 365
 366         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 367                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 368         m_previewPrintout->SetPPIPrinter(wxPostScriptDC::GetResolution(), wxPostScriptDC::GetResolution());
 369
 370         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 371         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxPostScriptDC::GetResolution() / 72.0);
 372         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxPostScriptDC::GetResolution() / 72.0);
 373         wxSize sizeTenthsMM(paper->GetSize());
 374         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 375
 376         // If in landscape mode, we need to swap the width and height.
 377         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 378         {
 379             m_pageWidth = sizeDevUnits.y;
 380             m_pageHeight = sizeDevUnits.x;
 381             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 382             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 383         }
 384         else
 385         {
 386             m_pageWidth = sizeDevUnits.x;
 387             m_pageHeight = sizeDevUnits.y;
 388             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 389             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 390         }
 391
 392         // At 100%, the page should look about page-size on the screen.
 393         m_previewScale = (float)0.8 * 72.0 / (float)wxPostScriptDC::GetResolution();
 394     }
 395 }
 396
 397 #endif