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     IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  58     IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  59
  60 // ============================================================================
  61 // implementation
  62 // ============================================================================
  63
  64 // ----------------------------------------------------------------------------
  65 // Printer
  66 // ----------------------------------------------------------------------------
  67
  68 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data)
  69                    : wxPrinterBase(data)
  70 {
  71 }
  72
  73 wxPostScriptPrinter::~wxPostScriptPrinter()
  74 {
  75 }
  76
  77 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  78 {
  79     sm_abortIt = FALSE;
  80     sm_abortWindow = (wxWindow *) NULL;
  81
  82     if (!printout)
  83     {
  84         sm_lastError = wxPRINTER_ERROR;
  85         return FALSE;
  86     }
  87
  88     printout->SetIsPreview(FALSE);
  89
  90     // 4/9/99, JACS: this is a silly place to allow preparation, considering
  91     // the DC and no parameters have been set in the printout object.
  92     // Moved further down.
  93
  94     // printout->OnPreparePrinting();
  95
  96     // Get some parameters from the printout, if defined
  97     int fromPage, toPage;
  98     int minPage, maxPage;
  99     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 100
 101     if (maxPage == 0)
 102     {
 103         sm_lastError = wxPRINTER_ERROR;
 104         return FALSE;
 105     }
 106
 107     m_printDialogData.SetMinPage(minPage);
 108     m_printDialogData.SetMaxPage(maxPage);
 109     if (fromPage != 0)
 110         m_printDialogData.SetFromPage(fromPage);
 111     if (toPage != 0)
 112         m_printDialogData.SetToPage(toPage);
 113
 114     if (minPage != 0)
 115     {
 116         m_printDialogData.EnablePageNumbers(TRUE);
 117         if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
 118             m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
 119         else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
 120             m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
 121         if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
 122             m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
 123         else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
 124             m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
 125     }
 126     else
 127         m_printDialogData.EnablePageNumbers(FALSE);
 128
 129
 130     // Create a suitable device context
 131     wxDC *dc = (wxDC *) NULL;
 132     if (prompt)
 133     {
 134         dc = PrintDialog(parent);
 135         if (!dc)
 136             return FALSE;
 137     }
 138     else
 139     {
 140         dc = new wxPostScriptDC(GetPrintDialogData().GetPrintData());
 141     }
 142
 143     // May have pressed cancel.
 144     if (!dc || !dc->Ok())
 145     {
 146         if (dc) delete dc;
 147         sm_lastError = wxPRINTER_ERROR;
 148         return FALSE;
 149     }
 150
 151     int logPPIScreenX = 0;
 152     int logPPIScreenY = 0;
 153     int logPPIPrinterX = 0;
 154     int logPPIPrinterY = 0;
 155
 156     logPPIScreenX = 100;
 157     logPPIScreenY = 100;
 158
 159     /*
 160     // Correct values for X/PostScript?
 161     logPPIPrinterX = 100;
 162     logPPIPrinterY = 100;
 163     */
 164
 165     logPPIPrinterX = wxPostScriptDC::GetResolution();
 166     logPPIPrinterY = wxPostScriptDC::GetResolution();
 167
 168     printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
 169     printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
 170
 171     // Set printout parameters
 172     printout->SetDC(dc);
 173
 174     int w, h;
 175     dc->GetSize(&w, &h);
 176     printout->SetPageSizePixels((int)w, (int)h);
 177     dc->GetSizeMM(&w, &h);
 178     printout->SetPageSizeMM((int)w, (int)h);
 179
 180     // Create an abort window
 181     wxBeginBusyCursor();
 182
 183     printout->OnPreparePrinting();
 184
 185     int
 186        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
 187        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
 188        printedPages = 0;
 189     // Open the progress bar dialog
 190     wxProgressDialog *progressDialog = new wxProgressDialog (
 191        printout->GetTitle(),
 192        _("Printing..."),
 193        totalPages,
 194        parent,
 195        wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
 196
 197     printout->OnBeginPrinting();
 198
 199     sm_lastError = wxPRINTER_NO_ERROR;
 200
 201     bool keepGoing = TRUE;
 202
 203     int copyCount;
 204     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 205     {
 206         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 207         {
 208             wxEndBusyCursor();
 209             wxLogError(_("Could not start printing."));
 210             sm_lastError = wxPRINTER_ERROR;
 211             break;
 212         }
 213         if (sm_abortIt)
 214         {
 215             sm_lastError = wxPRINTER_CANCELLED;
 216             break;
 217         }
 218
 219         int pn;
 220         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 221         pn++)
 222         {
 223             if (sm_abortIt)
 224             {
 225                 keepGoing = FALSE;
 226                 sm_lastError = wxPRINTER_CANCELLED;
 227                 break;
 228             }
 229             else
 230             {
 231                wxString msg;
 232                msg.Printf(_("Printing page %d..."), printedPages+1);
 233                if(progressDialog->Update(printedPages++, msg))
 234                {
 235                   dc->StartPage();
 236                   printout->OnPrintPage(pn);
 237                   dc->EndPage();
 238                }
 239                else
 240                {
 241                   sm_abortIt = TRUE;
 242                   sm_lastError = wxPRINTER_CANCELLED;
 243                   keepGoing = FALSE;
 244                }
 245             }
 246             wxYield();
 247         }
 248         printout->OnEndDocument();
 249     }
 250
 251     printout->OnEndPrinting();
 252     delete progressDialog;
 253
 254     wxEndBusyCursor();
 255
 256     delete dc;
 257
 258     return (sm_lastError == wxPRINTER_NO_ERROR);
 259 }
 260
 261 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 262 {
 263     wxDC* dc = (wxDC*) NULL;
 264     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 265     int ret = dialog->ShowModal() ;
 266     if (ret == wxID_OK)
 267     {
 268         dc = dialog->GetPrintDC();
 269         m_printDialogData = dialog->GetPrintDialogData();
 270         if (dc == NULL)
 271             sm_lastError = wxPRINTER_ERROR;
 272         else
 273             sm_lastError = wxPRINTER_NO_ERROR;
 274     }
 275     else
 276         sm_lastError = wxPRINTER_CANCELLED;
 277
 278     dialog->Destroy();
 279
 280     return dc;
 281 }
 282
 283 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 284 {
 285     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 286     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 287
 288     int ret = dialog->ShowModal();
 289
 290     if (ret == wxID_OK)
 291     {
 292         m_printDialogData = dialog->GetPrintDialogData();
 293     }
 294
 295     dialog->Destroy();
 296
 297     return (ret == wxID_OK);
 298 }
 299
 300 // ----------------------------------------------------------------------------
 301 // Print preview
 302 // ----------------------------------------------------------------------------
 303
 304 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 305                                     wxPrintout * WXUNUSED(printoutForPrinting))
 306 {
 307     // Have to call it here since base constructor can't call it
 308     DetermineScaling();
 309 }
 310
 311 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 312                                                    wxPrintout *printoutForPrinting,
 313                                                    wxPrintDialogData *data)
 314                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 315 {
 316     Init(printout, printoutForPrinting);
 317 }
 318
 319 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 320                                                    wxPrintout *printoutForPrinting,
 321                                                    wxPrintData *data)
 322                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 323 {
 324     Init(printout, printoutForPrinting);
 325 }
 326
 327 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 328 {
 329 }
 330
 331 bool wxPostScriptPrintPreview::Print(bool interactive)
 332 {
 333     if (!m_printPrintout)
 334         return FALSE;
 335     wxPostScriptPrinter printer(& m_printDialogData);
 336     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 337 }
 338
 339 void wxPostScriptPrintPreview::DetermineScaling()
 340 {
 341     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 342     if (paperType == wxPAPER_NONE)
 343         paperType = wxPAPER_NONE;
 344
 345     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 346     if (!paper)
 347         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 348
 349     if (paper)
 350     {
 351         m_previewPrintout->SetPPIScreen(100, 100);
 352         //      m_previewPrintout->SetPPIPrinter(100, 100);
 353         m_previewPrintout->SetPPIPrinter(wxPostScriptDC::GetResolution(), wxPostScriptDC::GetResolution());
 354
 355         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 356         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxPostScriptDC::GetResolution() / 72.0);
 357         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxPostScriptDC::GetResolution() / 72.0);
 358         wxSize sizeTenthsMM(paper->GetSize());
 359         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 360
 361         // If in landscape mode, we need to swap the width and height.
 362         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 363         {
 364             m_pageWidth = sizeDevUnits.y;
 365             m_pageHeight = sizeDevUnits.x;
 366             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 367             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 368         }
 369         else
 370         {
 371             m_pageWidth = sizeDevUnits.x;
 372             m_pageHeight = sizeDevUnits.y;
 373             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 374             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 375         }
 376
 377         // At 100%, the page should look about page-size on the screen.
 378         m_previewScale = (float)0.8 * 72.0 / (float)wxPostScriptDC::GetResolution();
 379     }
 380 }
 381
 382 #endif