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 #ifdef __GNUG__
  13 #pragma implementation "printps.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #include "wx/defs.h"
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/utils.h"
  27 #include "wx/dc.h"
  28 #include "wx/app.h"
  29 #include "wx/msgdlg.h"
  30 #include <wx/intl.h>
  31 #endif
  32
  33 #include "wx/generic/printps.h"
  34 #include "wx/dcprint.h"
  35 #include "wx/printdlg.h"
  36 #include "wx/generic/prntdlgg.h"
  37 #include "wx/paper.h"
  38
  39 #include <stdlib.h>
  40
  41 #if !USE_SHARED_LIBRARY
  42 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
  43 IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
  44 #endif
  45
  46 /*
  47 * Printer
  48 */
  49
  50 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data):
  51 wxPrinterBase(data)
  52 {
  53 }
  54
  55 wxPostScriptPrinter::~wxPostScriptPrinter(void)
  56 {
  57 }
  58
  59 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
  60 {
  61     sm_abortIt = FALSE;
  62     sm_abortWindow = (wxWindow *) NULL;
  63
  64     if (!printout)
  65         return FALSE;
  66
  67     printout->SetIsPreview(FALSE);
  68     printout->OnPreparePrinting();
  69
  70     // Get some parameters from the printout, if defined
  71     int fromPage, toPage;
  72     int minPage, maxPage;
  73     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
  74
  75     if (maxPage == 0)
  76         return FALSE;
  77
  78     m_printDialogData.SetMinPage(minPage);
  79     m_printDialogData.SetMaxPage(maxPage);
  80     if (fromPage != 0)
  81         m_printDialogData.SetFromPage(fromPage);
  82     if (toPage != 0)
  83         m_printDialogData.SetToPage(toPage);
  84
  85     if (minPage != 0)
  86     {
  87         m_printDialogData.EnablePageNumbers(TRUE);
  88         if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
  89             m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
  90         else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
  91             m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
  92         if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
  93             m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
  94         else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
  95             m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
  96     }
  97     else
  98         m_printDialogData.EnablePageNumbers(FALSE);
  99
 100     // Create a suitable device context
 101     wxDC *dc = (wxDC *) NULL;
 102     if (prompt)
 103     {
 104         dc = PrintDialog(parent);
 105         if (!dc)
 106             return FALSE;
 107     }
 108     else
 109     {
 110         dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
 111     }
 112
 113     // May have pressed cancel.
 114     if (!dc || !dc->Ok())
 115     {
 116         if (dc) delete dc;
 117         return FALSE;
 118     }
 119
 120     int logPPIScreenX = 0;
 121     int logPPIScreenY = 0;
 122     int logPPIPrinterX = 0;
 123     int logPPIPrinterY = 0;
 124
 125     logPPIScreenX = 100;
 126     logPPIScreenY = 100;
 127
 128     /*
 129     // Correct values for X/PostScript?
 130     logPPIPrinterX = 100;
 131     logPPIPrinterY = 100;
 132     */
 133
 134     logPPIPrinterX = 72;
 135     logPPIPrinterY = 72;
 136
 137     printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
 138     printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
 139
 140     // Set printout parameters
 141     printout->SetDC(dc);
 142
 143     int w, h;
 144     dc->GetSize(&w, &h);
 145     printout->SetPageSizePixels((int)w, (int)h);
 146     dc->GetSizeMM(&w, &h);
 147     printout->SetPageSizeMM((int)w, (int)h);
 148
 149     // Create an abort window
 150     wxBeginBusyCursor();
 151
 152     printout->OnBeginPrinting();
 153
 154     bool keepGoing = TRUE;
 155
 156     int copyCount;
 157     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 158     {
 159         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 160         {
 161             wxEndBusyCursor();
 162             wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
 163             break;
 164         }
 165         if (sm_abortIt)
 166             break;
 167
 168         int pn;
 169         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 170         pn++)
 171         {
 172             if (sm_abortIt)
 173             {
 174                 keepGoing = FALSE;
 175                 break;
 176             }
 177             else
 178             {
 179                 dc->StartPage();
 180                 printout->OnPrintPage(pn);
 181                 dc->EndPage();
 182             }
 183         }
 184         printout->OnEndDocument();
 185     }
 186
 187     printout->OnEndPrinting();
 188
 189     wxEndBusyCursor();
 190
 191     delete dc;
 192
 193     return TRUE;
 194 }
 195
 196 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 197 {
 198     wxDC* dc = (wxDC*) NULL;
 199     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 200     int ret = dialog->ShowModal() ;
 201     if (ret == wxID_OK)
 202     {
 203         dc = dialog->GetPrintDC();
 204         m_printDialogData = dialog->GetPrintDialogData();
 205     }
 206     dialog->Destroy();
 207
 208     return dc;
 209 }
 210
 211 bool wxPostScriptPrinter::Setup(wxWindow *parent)
 212 {
 213     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
 214     dialog->GetPrintDialogData().SetSetupDialog(TRUE);
 215
 216     int ret = dialog->ShowModal();
 217
 218     if (ret == wxID_OK)
 219     {
 220         m_printDialogData = dialog->GetPrintDialogData();
 221     }
 222
 223     dialog->Destroy();
 224
 225     return (ret == wxID_OK);
 226 }
 227
 228 /*
 229 * Print preview
 230 */
 231
 232 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintDialogData *data):
 233 wxPrintPreviewBase(printout, printoutForPrinting, data)
 234 {
 235     // Have to call it here since base constructor can't call it
 236     DetermineScaling();
 237 }
 238
 239 wxPostScriptPrintPreview::~wxPostScriptPrintPreview(void)
 240 {
 241 }
 242
 243 bool wxPostScriptPrintPreview::Print(bool interactive)
 244 {
 245     if (!m_printPrintout)
 246         return FALSE;
 247     wxPostScriptPrinter printer(& m_printDialogData);
 248     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 249 }
 250
 251 void wxPostScriptPrintPreview::DetermineScaling(void)
 252 {
 253     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
 254     if (paperType == wxPAPER_NONE)
 255         paperType = wxPAPER_NONE;
 256
 257     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
 258     if (!paper)
 259         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 260
 261     if (paper)
 262     {
 263         m_previewPrintout->SetPPIScreen(100, 100);
 264         //      m_previewPrintout->SetPPIPrinter(100, 100);
 265         m_previewPrintout->SetPPIPrinter(72, 72);
 266
 267         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
 268         wxSize sizeTenthsMM(paper->GetSize());
 269         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 270
 271         // If in landscape mode, we need to swap the width and height.
 272         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
 273         {
 274             m_pageWidth = sizeDevUnits.y;
 275             m_pageHeight = sizeDevUnits.x;
 276             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
 277             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 278         }
 279         else
 280         {
 281             m_pageWidth = sizeDevUnits.x;
 282             m_pageHeight = sizeDevUnits.y;
 283             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
 284             m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
 285         }
 286
 287         // At 100%, the page should look about page-size on the screen.
 288         m_previewScale = (float)0.8;
 289     }
 290 }
 291