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     // Open the progress bar dialog
 171     wxProgressDialog *progressDialog = new wxProgressDialog (
 172        printout->GetTitle(),
 173        _("Printing..."),
 174        maxPage-minPage+1,
 175        parent,
 176        /* disable parent only */ true,
 177        /* show abort button */ true);
 178
 179     printout->OnBeginPrinting();
 180
 181     bool keepGoing = TRUE;
 182
 183     int copyCount;
 184     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 185     {
 186         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 187         {
 188             wxEndBusyCursor();
 189             wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 190             break;
 191         }
 192         if (sm_abortIt)
 193             break;
 194
 195         int pn;
 196         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 197         pn++)
 198         {
 199             if (sm_abortIt)
 200             {
 201                 keepGoing = FALSE;
 202                 break;
 203             }
 204             else
 205             {
 206                wxString msg;
 207                msg.Printf(_("Printing page %d..."), pn);
 208                if(progressDialog->Update(pn-minPage, msg))
 209                {
 210                   dc->StartPage();
 211                   printout->OnPrintPage(pn);
 212                   dc->EndPage();
 213                }
 214                else
 215                {
 216                   sm_abortIt = true;
 217                   keepGoing = false; //FIXME: do we need both?
 218                }
 219             }
 220         }
 221         delete progressDialog;
 222         printout->OnEndDocument();
 223     }
 224
 225     printout->OnEndPrinting();
 226
 227     wxEndBusyCursor();
 228
 229     delete dc;
 230
 231     return TRUE;
 232 }
 233
 234 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 235 {
 236     wxDC* dc = (wxDC*) NULL;
 237     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 238     int ret = dialog->ShowModal() ;
 239     if (ret == wxID_OK)
 240     {
 241         dc = dialog->GetPrintDC();
 242         m_printDialogData = dialog->GetPrintDialogData();
 243     }
 244     dialog->Destroy();
 245
 246     return dc;
 247 }
 248
 249 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 250 {
 251     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 252     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 253
 254     int ret = dialog->ShowModal();
 255
 256     if (ret == wxID_OK)
 257     {
 258         m_printDialogData = dialog->GetPrintDialogData();
 259     }
 260
 261     dialog->Destroy();
 262
 263     return (ret == wxID_OK);
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // Print preview
 268 // ----------------------------------------------------------------------------
 269
 270 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 271                                     wxPrintout * WXUNUSED(printoutForPrinting))
 272 {
 273     // Have to call it here since base constructor can't call it
 274     DetermineScaling();
 275 }
 276
 277 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 278                                                    wxPrintout *printoutForPrinting,
 279                                                    wxPrintDialogData *data)
 280                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 281 {
 282     Init(printout, printoutForPrinting);
 283 }
 284
 285 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 286                                                    wxPrintout *printoutForPrinting,
 287                                                    wxPrintData *data)
 288                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 289 {
 290     Init(printout, printoutForPrinting);
 291 }
 292
 293 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 294 {
 295 }
 296
 297 bool wxPostScriptPrintPreview::Print(bool interactive)
 298 {
 299     if (!m_printPrintout)
 300         return FALSE;
 301     wxPostScriptPrinter printer(& m_printDialogData);
 302     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 303 }
 304
 305 void wxPostScriptPrintPreview::DetermineScaling()
 306 {
 307     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 308     if (paperType == wxPAPER_NONE)
 309         paperType = wxPAPER_NONE;
 310
 311     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 312     if (!paper)
 313         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 314
 315     if (paper)
 316     {
 317         m_previewPrintout->SetPPIScreen(100, 100);
 318         //      m_previewPrintout->SetPPIPrinter(100, 100);
 319         m_previewPrintout->SetPPIPrinter(72, 72);
 320
 321         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 322         wxSize sizeTenthsMM(paper->GetSize());
 323         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 324
 325         // If in landscape mode, we need to swap the width and height.
 326         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 327         {
 328             m_pageWidth = sizeDevUnits.y;
 329             m_pageHeight = sizeDevUnits.x;
 330             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 331             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 332         }
 333         else
 334         {
 335             m_pageWidth = sizeDevUnits.x;
 336             m_pageHeight = sizeDevUnits.y;
 337             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 338             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 339         }
 340
 341         // At 100%, the page should look about page-size on the screen.
 342         m_previewScale = (float)0.8;
 343     }
 344 }
 345