src/generic/printps.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 #if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT && (!defined(__WXMSW__) || wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/utils.h"
  31     #include "wx/dc.h"
  32     #include "wx/app.h"
  33     #include "wx/msgdlg.h"
  34     #include "wx/intl.h"
  35     #include "wx/progdlg.h"
  36     #include "wx/log.h"
  37     #include "wx/dcprint.h"
  38 #endif
  39
  40 #include "wx/generic/printps.h"
  41 #include "wx/printdlg.h"
  42 #include "wx/generic/prntdlgg.h"
  43 #include "wx/generic/progdlgg.h"
  44 #include "wx/paper.h"
  45
  46 #include <stdlib.h>
  47
  48 // ----------------------------------------------------------------------------
  49 // wxWin macros
  50 // ----------------------------------------------------------------------------
  51
  52     IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  53     IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  54
  55 // ============================================================================
  56 // implementation
  57 // ============================================================================
  58
  59 // ----------------------------------------------------------------------------
  60 // Printer
  61 // ----------------------------------------------------------------------------
  62
  63 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data)
  64                    : wxPrinterBase(data)
  65 {
  66 }
  67
  68 wxPostScriptPrinter::~wxPostScriptPrinter()
  69 {
  70 }
  71
  72 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  73 {
  74     sm_abortIt = false;
  75     sm_abortWindow = NULL;
  76
  77     if (!printout)
  78     {
  79         sm_lastError = wxPRINTER_ERROR;
  80         return false;
  81     }
  82
  83     printout->SetIsPreview(false);
  84
  85     if (m_printDialogData.GetMinPage() < 1)
  86         m_printDialogData.SetMinPage(1);
  87     if (m_printDialogData.GetMaxPage() < 1)
  88         m_printDialogData.SetMaxPage(9999);
  89
  90     // Create a suitable device context
  91     wxDC *dc;
  92     if (prompt)
  93     {
  94         dc = PrintDialog(parent);
  95         if (!dc)
  96             return false;
  97     }
  98     else
  99     {
 100         dc = new wxPostScriptDC(GetPrintDialogData().GetPrintData());
 101     }
 102
 103     // May have pressed cancel.
 104     if (!dc || !dc->IsOk())
 105     {
 106         if (dc) delete dc;
 107         sm_lastError = wxPRINTER_ERROR;
 108         return false;
 109     }
 110
 111     wxSize ScreenPixels = wxGetDisplaySize();
 112     wxSize ScreenMM = wxGetDisplaySizeMM();
 113
 114     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 115                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 116     printout->SetPPIPrinter( dc->GetResolution(),
 117                              dc->GetResolution() );
 118
 119     // Set printout parameters
 120     printout->SetDC(dc);
 121
 122     int w, h;
 123     dc->GetSize(&w, &h);
 124     printout->SetPageSizePixels((int)w, (int)h);
 125     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 126     int mw, mh;
 127     dc->GetSizeMM(&mw, &mh);
 128     printout->SetPageSizeMM((int)mw, (int)mh);
 129
 130     // Create an abort window
 131     wxBeginBusyCursor();
 132
 133     printout->OnPreparePrinting();
 134
 135     // Get some parameters from the printout, if defined
 136     int fromPage, toPage;
 137     int minPage, maxPage;
 138     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 139
 140     if (maxPage == 0)
 141     {
 142         sm_lastError = wxPRINTER_ERROR;
 143         wxEndBusyCursor();
 144         return false;
 145     }
 146
 147     // Only set min and max, because from and to have been
 148     // set by the user
 149     m_printDialogData.SetMinPage(minPage);
 150     m_printDialogData.SetMaxPage(maxPage);
 151
 152     if (m_printDialogData.GetFromPage() < minPage)
 153         m_printDialogData.SetFromPage( minPage );
 154     if (m_printDialogData.GetToPage() > maxPage)
 155         m_printDialogData.SetToPage( maxPage );
 156
 157     int
 158        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
 159        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
 160        printedPages = 0;
 161     // Open the progress bar dialog
 162     wxProgressDialog *progressDialog = new wxProgressDialog (
 163        printout->GetTitle(),
 164        _("Printing..."),
 165        totalPages,
 166        parent,
 167        wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
 168
 169     printout->OnBeginPrinting();
 170
 171     sm_lastError = wxPRINTER_NO_ERROR;
 172
 173     bool keepGoing = true;
 174
 175     int copyCount;
 176     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 177     {
 178         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 179         {
 180             wxEndBusyCursor();
 181             wxLogError(_("Could not start printing."));
 182             sm_lastError = wxPRINTER_ERROR;
 183             break;
 184         }
 185         if (sm_abortIt)
 186         {
 187             sm_lastError = wxPRINTER_CANCELLED;
 188             break;
 189         }
 190
 191         int pn;
 192         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 193         pn++)
 194         {
 195             if (sm_abortIt)
 196             {
 197                 keepGoing = false;
 198                 sm_lastError = wxPRINTER_CANCELLED;
 199                 break;
 200             }
 201             else
 202             {
 203                wxString msg;
 204                msg.Printf(_("Printing page %d..."), printedPages+1);
 205                if(progressDialog->Update(printedPages++, msg))
 206                {
 207                   dc->StartPage();
 208                   printout->OnPrintPage(pn);
 209                   dc->EndPage();
 210                }
 211                else
 212                {
 213                   sm_abortIt = true;
 214                   sm_lastError = wxPRINTER_CANCELLED;
 215                   keepGoing = false;
 216                }
 217             }
 218             wxYield();
 219         }
 220         printout->OnEndDocument();
 221     }
 222
 223     printout->OnEndPrinting();
 224     delete progressDialog;
 225
 226     wxEndBusyCursor();
 227
 228     delete dc;
 229
 230     return (sm_lastError == wxPRINTER_NO_ERROR);
 231 }
 232
 233 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 234 {
 235     wxDC* dc = NULL;
 236
 237     wxGenericPrintDialog dialog( parent, &m_printDialogData );
 238     if (dialog.ShowModal() == wxID_OK)
 239     {
 240         dc = dialog.GetPrintDC();
 241         m_printDialogData = dialog.GetPrintDialogData();
 242
 243         if (dc == NULL)
 244             sm_lastError = wxPRINTER_ERROR;
 245         else
 246             sm_lastError = wxPRINTER_NO_ERROR;
 247     }
 248     else
 249         sm_lastError = wxPRINTER_CANCELLED;
 250
 251     return dc;
 252 }
 253
 254 bool wxPostScriptPrinter::Setup(wxWindow *WXUNUSED(parent))
 255 {
 256 #if 0
 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 #endif
 271
 272     return false;
 273 }
 274
 275 // ----------------------------------------------------------------------------
 276 // Print preview
 277 // ----------------------------------------------------------------------------
 278
 279 void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
 280                                     wxPrintout * WXUNUSED(printoutForPrinting))
 281 {
 282     // Have to call it here since base constructor can't call it
 283     DetermineScaling();
 284 }
 285
 286 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 287                                                    wxPrintout *printoutForPrinting,
 288                                                    wxPrintDialogData *data)
 289                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 290 {
 291     Init(printout, printoutForPrinting);
 292 }
 293
 294 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
 295                                                    wxPrintout *printoutForPrinting,
 296                                                    wxPrintData *data)
 297                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
 298 {
 299     Init(printout, printoutForPrinting);
 300 }
 301
 302 wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 303 {
 304 }
 305
 306 bool wxPostScriptPrintPreview::Print(bool interactive)
 307 {
 308     if (!m_printPrintout)
 309         return false;
 310
 311     // Assume that on Unix, the preview may use the PostScript
 312     // (generic) version, but printing using the native system is required.
 313     // TODO: make a generic print preview class from which wxPostScriptPrintPreview
 314     // is derived.
 315 #ifdef __UNIX__
 316     wxPrinter printer(& m_printDialogData);
 317 #else
 318     wxPostScriptPrinter printer(& m_printDialogData);
 319 #endif
 320     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 321 }
 322
 323 void wxPostScriptPrintPreview::DetermineScaling()
 324 {
 325     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 326     if (paperType == wxPAPER_NONE)
 327         paperType = wxPAPER_NONE;
 328
 329     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 330     if (!paper)
 331         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 332
 333     if (paper)
 334     {
 335         wxSize ScreenPixels = wxGetDisplaySize();
 336         wxSize ScreenMM = wxGetDisplaySizeMM();
 337
 338         int resolution = 600;  // TODO, this is correct, but get this from wxPSDC somehow
 339
 340         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 341                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 342         m_previewPrintout->SetPPIPrinter( resolution, resolution );
 343
 344         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 345         sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
 346         sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
 347         wxSize sizeTenthsMM(paper->GetSize());
 348         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 349
 350         // If in landscape mode, we need to swap the width and height.
 351         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 352         {
 353             m_pageWidth = sizeDevUnits.y;
 354             m_pageHeight = sizeDevUnits.x;
 355             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 356         }
 357         else
 358         {
 359             m_pageWidth = sizeDevUnits.x;
 360             m_pageHeight = sizeDevUnits.y;
 361             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 362         }
 363         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 364         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
 365
 366         // At 100%, the page should look about page-size on the screen.
 367         m_previewScaleX = (float)0.8 * 72.0 / (float)resolution;
 368         m_previewScaleY = m_previewScaleX;
 369     }
 370 }
 371
 372 #endif