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