samples/printing/printing.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        printing.cpp
   3 // Purpose:     Printing demo for wxWidgets
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     1995
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #if !wxUSE_PRINTING_ARCHITECTURE
  28 #error "You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h, and recompile the library."
  29 #endif
  30
  31 // Set this to 1 if you want to test PostScript printing under MSW.
  32 // However, you'll also need to edit src/msw/makefile.nt.
  33 #define wxTEST_POSTSCRIPT_IN_MSW 0
  34
  35 #include <ctype.h>
  36 #include "wx/metafile.h"
  37 #include "wx/print.h"
  38 #include "wx/printdlg.h"
  39 #include "wx/image.h"
  40 #include "wx/accel.h"
  41
  42 #if wxTEST_POSTSCRIPT_IN_MSW
  43 #include "wx/generic/printps.h"
  44 #include "wx/generic/prntdlgg.h"
  45 #endif
  46
  47 #include "printing.h"
  48
  49 #ifndef __WXMSW__
  50 #include "mondrian.xpm"
  51 #endif
  52
  53 #if wxUSE_LIBGNOMEPRINT
  54 #include "wx/html/forcelnk.h"
  55 FORCE_LINK(gnome_print)
  56 #endif
  57
  58
  59 // Declare a frame
  60 MyFrame   *frame = (MyFrame *) NULL;
  61 // int orientation = wxPORTRAIT;
  62
  63 // Global print data, to remember settings during the session
  64 wxPrintData *g_printData = (wxPrintData*) NULL ;
  65
  66 // Global page setup data
  67 wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL;
  68
  69 // Main proc
  70 IMPLEMENT_APP(MyApp)
  71
  72 // Writes a header on a page. Margin units are in millimetres.
  73 bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical);
  74
  75 // The `main program' equivalent, creating the windows and returning the
  76 // main frame
  77
  78 bool MyApp::OnInit(void)
  79 {
  80     wxInitAllImageHandlers();
  81
  82     m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL);
  83
  84     g_printData = new wxPrintData;
  85     g_pageSetupData = new wxPageSetupDialogData;
  86
  87     // Create the main frame window
  88     frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), wxPoint(0, 0), wxSize(400, 400));
  89
  90 #if wxUSE_STATUSBAR
  91     // Give it a status line
  92     frame->CreateStatusBar(2);
  93 #endif // wxUSE_STATUSBAR
  94
  95     // Load icon and bitmap
  96     frame->SetIcon( wxICON( mondrian) );
  97
  98     // Make a menubar
  99     wxMenu *file_menu = new wxMenu;
 100
 101     file_menu->Append(WXPRINT_PRINT, _T("&Print..."),              _T("Print"));
 102     file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."),              _T("Page setup"));
 103     file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"),              _T("Preview"));
 104
 105 #if wxUSE_ACCEL
 106     // Accelerators
 107     wxAcceleratorEntry entries[1];
 108     entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW);
 109     wxAcceleratorTable accel(1, entries);
 110     frame->SetAcceleratorTable(accel);
 111 #endif
 112
 113 #if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
 114     file_menu->AppendSeparator();
 115     file_menu->Append(WXPRINT_PRINT_PS, _T("Print PostScript..."),              _T("Print (PostScript)"));
 116     file_menu->Append(WXPRINT_PAGE_SETUP_PS, _T("Page Setup PostScript..."),              _T("Page setup (PostScript)"));
 117     file_menu->Append(WXPRINT_PREVIEW_PS, _T("Print Preview PostScript"),              _T("Preview (PostScript)"));
 118 #endif
 119     file_menu->AppendSeparator();
 120     file_menu->Append(WXPRINT_ANGLEUP, _T("Angle up\tAlt-U"),                _T("Raise rotated text angle"));
 121     file_menu->Append(WXPRINT_ANGLEDOWN, _T("Angle down\tAlt-D"),            _T("Lower rotated text angle"));
 122     file_menu->AppendSeparator();
 123     file_menu->Append(WXPRINT_QUIT, _T("E&xit"),                _T("Exit program"));
 124
 125     wxMenu *help_menu = new wxMenu;
 126     help_menu->Append(WXPRINT_ABOUT, _T("&About"),              _T("About this demo"));
 127
 128     wxMenuBar *menu_bar = new wxMenuBar;
 129
 130     menu_bar->Append(file_menu, _T("&File"));
 131     menu_bar->Append(help_menu, _T("&Help"));
 132
 133     // Associate the menu bar with the frame
 134     frame->SetMenuBar(menu_bar);
 135
 136     MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL);
 137
 138     // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
 139     canvas->SetScrollbars(20, 20, 50, 50);
 140
 141     frame->canvas = canvas;
 142
 143     frame->Centre(wxBOTH);
 144     frame->Show();
 145
 146 #if wxUSE_STATUSBAR
 147     frame->SetStatusText(_T("Printing demo"));
 148 #endif // wxUSE_STATUSBAR
 149
 150     SetTopWindow(frame);
 151
 152     return true;
 153 }
 154
 155 int MyApp::OnExit()
 156 {
 157     delete g_printData;
 158     delete g_pageSetupData;
 159     return 1;
 160 }
 161
 162 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 163 EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit)
 164 EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint)
 165 EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview)
 166 EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
 167 EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout)
 168 #if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
 169 EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS)
 170 EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
 171 EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
 172 #endif
 173 EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp)
 174 EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown)
 175 END_EVENT_TABLE()
 176
 177 // Define my frame constructor
 178 MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
 179 wxFrame(frame, wxID_ANY, title, pos, size)
 180 {
 181     canvas = NULL;
 182     m_angle = 30;
 183 #if 0
 184     wxImage image( wxT("test.jpg") );
 185     image.SetAlpha();
 186     int i,j;
 187     for (i = 0; i < image.GetWidth(); i++)
 188        for (j = 0; j < image.GetHeight(); j++)
 189           image.SetAlpha( i, j, 50 );
 190     m_bitmap = image;
 191 #endif
 192 }
 193
 194 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 195 {
 196     Close(true /*force closing*/);
 197 }
 198
 199 void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
 200 {
 201     wxPrintDialogData printDialogData(* g_printData);
 202
 203     wxPrinter printer(& printDialogData);
 204     MyPrintout printout(_T("My printout"));
 205     if (!printer.Print(this, &printout, true /*prompt*/))
 206     {
 207         if (wxPrinter::GetLastError() == wxPRINTER_ERROR)
 208             wxMessageBox(_T("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _T("Printing"), wxOK);
 209         else
 210             wxMessageBox(_T("You canceled printing"), _T("Printing"), wxOK);
 211     }
 212     else
 213     {
 214         (*g_printData) = printer.GetPrintDialogData().GetPrintData();
 215     }
 216 }
 217
 218 void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
 219 {
 220     // Pass two printout objects: for preview, and possible printing.
 221     wxPrintDialogData printDialogData(* g_printData);
 222     wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
 223     if (!preview->Ok())
 224     {
 225         delete preview;
 226         wxMessageBox(_T("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK);
 227         return;
 228     }
 229
 230     wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
 231     frame->Centre(wxBOTH);
 232     frame->Initialize();
 233     frame->Show();
 234 }
 235
 236 void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
 237 {
 238     (*g_pageSetupData) = *g_printData;
 239
 240     wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
 241     pageSetupDialog.ShowModal();
 242
 243     (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
 244     (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
 245 }
 246
 247 #if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
 248 void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
 249 {
 250     wxPostScriptPrinter printer(g_printData);
 251     MyPrintout printout(_T("My printout"));
 252     printer.Print(this, &printout, true/*prompt*/);
 253
 254     (*g_printData) = printer.GetPrintData();
 255 }
 256
 257 void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event))
 258 {
 259     // Pass two printout objects: for preview, and possible printing.
 260     wxPrintDialogData printDialogData(* g_printData);
 261     wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
 262     wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
 263     frame->Centre(wxBOTH);
 264     frame->Initialize();
 265     frame->Show();
 266 }
 267
 268 void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event))
 269 {
 270     (*g_pageSetupData) = * g_printData;
 271
 272     wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData);
 273     pageSetupDialog.ShowModal();
 274
 275     (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
 276     (*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
 277 }
 278 #endif
 279
 280
 281 void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event))
 282 {
 283     (void)wxMessageBox(_T("wxWidgets printing demo\nAuthor: Julian Smart"),
 284         _T("About wxWidgets printing demo"), wxOK|wxCENTRE);
 285 }
 286
 287 void MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event))
 288 {
 289     m_angle += 5;
 290     canvas->Refresh();
 291 }
 292
 293 void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event))
 294 {
 295     m_angle -= 5;
 296     canvas->Refresh();
 297 }
 298
 299 void MyFrame::Draw(wxDC& dc)
 300 {
 301     dc.SetBackground(*wxWHITE_BRUSH);
 302     dc.Clear();
 303     dc.SetFont(wxGetApp().m_testFont);
 304
 305     dc.SetBackgroundMode(wxTRANSPARENT);
 306
 307     dc.SetBrush(*wxCYAN_BRUSH);
 308     dc.SetPen(*wxRED_PEN);
 309
 310     dc.DrawRoundedRectangle(0, 20, 200, 80, 20);
 311
 312     dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40);
 313
 314     dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) );
 315     dc.DrawEllipse(50, 140, 100, 50);
 316     dc.SetPen(*wxRED_PEN);
 317
 318     dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180);
 319
 320
 321 #if wxUSE_UNICODE
 322     char *test = "Hebrew    שלום -- Japanese (日本語)";
 323     wxString tmp = wxConvUTF8.cMB2WC( test );
 324     dc.DrawText( tmp, 10, 200 );
 325 #endif
 326
 327     wxPoint points[5];
 328     points[0].x = 0;
 329     points[0].y = 0;
 330     points[1].x = 20;
 331     points[1].y = 0;
 332     points[2].x = 20;
 333     points[2].y = 20;
 334     points[3].x = 10;
 335     points[3].y = 20;
 336     points[4].x = 10;
 337     points[4].y = -20;
 338     dc.DrawPolygon( 5, points, 20, 250, wxODDEVEN_RULE );
 339     dc.DrawPolygon( 5, points, 50, 250, wxWINDING_RULE );
 340
 341     dc.DrawEllipticArc( 80, 250, 60, 30, 0.0, 270.0 );
 342
 343     points[0].x = 150;
 344     points[0].y = 250;
 345     points[1].x = 180;
 346     points[1].y = 250;
 347     points[2].x = 180;
 348     points[2].y = 220;
 349     points[3].x = 200;
 350     points[3].y = 220;
 351     dc.DrawSpline( 4, points );
 352
 353     dc.DrawArc( 20,10, 10,10, 25,40 );
 354
 355     wxString str;
 356     int i = 0;
 357     str.Printf( wxT("---- Text at angle %d ----"), i );
 358     dc.DrawRotatedText( str, 100, 300, i );
 359
 360     i = m_angle;
 361     str.Printf( wxT("---- Text at angle %d ----"), i );
 362     dc.DrawRotatedText( str, 100, 300, i );
 363
 364     dc.SetPen(* wxBLACK_PEN);
 365     dc.DrawLine(0, 0, 200, 200);
 366     dc.DrawLine(200, 0, 0, 200);
 367
 368     wxIcon my_icon = wxICON(mondrian) ;
 369
 370     dc.DrawIcon( my_icon, 100, 100);
 371
 372     if (m_bitmap.Ok())
 373         dc.DrawBitmap( m_bitmap, 10, 10 );
 374 }
 375
 376 void MyFrame::OnSize(wxSizeEvent& event )
 377 {
 378     wxFrame::OnSize(event);
 379 }
 380
 381 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 382 EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
 383 END_EVENT_TABLE()
 384
 385 // Define a constructor for my canvas
 386 MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style):
 387     wxScrolledWindow(frame, wxID_ANY, pos, size, style)
 388 {
 389     SetBackgroundColour(* wxWHITE);
 390 }
 391
 392 // Define the repainting behaviour
 393 void MyCanvas::OnDraw(wxDC& dc)
 394 {
 395     frame->Draw(dc);
 396 }
 397
 398 void MyCanvas::OnEvent(wxMouseEvent& WXUNUSED(event))
 399 {
 400 }
 401
 402 bool MyPrintout::OnPrintPage(int page)
 403 {
 404     wxDC *dc = GetDC();
 405     if (dc)
 406     {
 407         if (page == 1)
 408             DrawPageOne(dc);
 409         else if (page == 2)
 410             DrawPageTwo(dc);
 411
 412         dc->SetDeviceOrigin(0, 0);
 413         dc->SetUserScale(1.0, 1.0);
 414
 415         wxChar buf[200];
 416         wxSprintf(buf, wxT("PAGE %d"), page);
 417         dc->DrawText(buf, 10, 10);
 418
 419         return true;
 420     }
 421     else
 422         return false;
 423 }
 424
 425 bool MyPrintout::OnBeginDocument(int startPage, int endPage)
 426 {
 427     if (!wxPrintout::OnBeginDocument(startPage, endPage))
 428         return false;
 429
 430     return true;
 431 }
 432
 433 void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
 434 {
 435     *minPage = 1;
 436     *maxPage = 2;
 437     *selPageFrom = 1;
 438     *selPageTo = 2;
 439 }
 440
 441 bool MyPrintout::HasPage(int pageNum)
 442 {
 443     return (pageNum == 1 || pageNum == 2);
 444 }
 445
 446 void MyPrintout::DrawPageOne(wxDC *dc)
 447 {
 448     // You might use THIS code if you were scaling
 449     // graphics of known size to fit on the page.
 450
 451     // We know the graphic is 200x200. If we didn't know this,
 452     // we'd need to calculate it.
 453     float maxX = 200;
 454     float maxY = 200;
 455
 456     // Let's have at least 50 device units margin
 457     float marginX = 50;
 458     float marginY = 50;
 459
 460     // Add the margin to the graphic size
 461     maxX += (2*marginX);
 462     maxY += (2*marginY);
 463
 464     // Get the size of the DC in pixels
 465     int w, h;
 466     dc->GetSize(&w, &h);
 467
 468     // Calculate a suitable scaling factor
 469     float scaleX=(float)(w/maxX);
 470     float scaleY=(float)(h/maxY);
 471
 472     // Use x or y scaling factor, whichever fits on the DC
 473     float actualScale = wxMin(scaleX,scaleY);
 474
 475     // Calculate the position on the DC for centring the graphic
 476     float posX = (float)((w - (200*actualScale))/2.0);
 477     float posY = (float)((h - (200*actualScale))/2.0);
 478
 479     // Set the scale and origin
 480     dc->SetUserScale(actualScale, actualScale);
 481     dc->SetDeviceOrigin( (long)posX, (long)posY );
 482
 483     frame->Draw(*dc);
 484 }
 485
 486 void MyPrintout::DrawPageTwo(wxDC *dc)
 487 {
 488     // You might use THIS code to set the printer DC to ROUGHLY reflect
 489     // the screen text size. This page also draws lines of actual length
 490     // 5cm on the page.
 491
 492     // Get the logical pixels per inch of screen and printer
 493     int ppiScreenX, ppiScreenY;
 494     GetPPIScreen(&ppiScreenX, &ppiScreenY);
 495     int ppiPrinterX, ppiPrinterY;
 496     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
 497
 498     // This scales the DC so that the printout roughly represents the
 499     // the screen scaling. The text point size _should_ be the right size
 500     // but in fact is too small for some reason. This is a detail that will
 501     // need to be addressed at some point but can be fudged for the
 502     // moment.
 503     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
 504
 505     // Now we have to check in case our real page size is reduced
 506     // (e.g. because we're drawing to a print preview memory DC)
 507     int pageWidth, pageHeight;
 508     int w, h;
 509     dc->GetSize(&w, &h);
 510     GetPageSizePixels(&pageWidth, &pageHeight);
 511
 512     // If printer pageWidth == current DC width, then this doesn't
 513     // change. But w might be the preview bitmap width, so scale down.
 514     float overallScale = scale * (float)(w/(float)pageWidth);
 515     dc->SetUserScale(overallScale, overallScale);
 516
 517     // Calculate conversion factor for converting millimetres into
 518     // logical units.
 519     // There are approx. 25.4 mm to the inch. There are ppi
 520     // device units to the inch. Therefore 1 mm corresponds to
 521     // ppi/25.4 device units. We also divide by the
 522     // screen-to-printer scaling factor, because we need to
 523     // unscale to pass logical units to DrawLine.
 524
 525     // Draw 50 mm by 50 mm L shape
 526     float logUnitsFactor = (float)(ppiPrinterX/(scale*25.4));
 527     float logUnits = (float)(50*logUnitsFactor);
 528     dc->SetPen(* wxBLACK_PEN);
 529     dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250);
 530     dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits));
 531
 532     dc->SetBackgroundMode(wxTRANSPARENT);
 533     dc->SetBrush(*wxTRANSPARENT_BRUSH);
 534
 535     { // GetTextExtent demo:
 536         wxString words[7] = {_T("This "), _T("is "), _T("GetTextExtent "), _T("testing "), _T("string. "), _T("Enjoy "), _T("it!")};
 537         long w, h;
 538         long x = 200, y= 250;
 539         wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL);
 540
 541         dc->SetFont(fnt);
 542
 543         for (int i = 0; i < 7; i++)
 544         {
 545             wxString word = words[i];
 546             word.Remove( word.Len()-1, 1 );
 547             dc->GetTextExtent(word, &w, &h);
 548             dc->DrawRectangle(x, y, w, h);
 549             dc->GetTextExtent(words[i], &w, &h);
 550             dc->DrawText(words[i], x, y);
 551             x += w;
 552         }
 553
 554     }
 555
 556     dc->SetFont(wxGetApp().m_testFont);
 557
 558     dc->DrawText(_T("Some test text"), 200, 300 );
 559
 560     // TESTING
 561
 562     int leftMargin = 20;
 563     int rightMargin = 20;
 564     int topMargin = 20;
 565     int bottomMargin = 20;
 566
 567     int pageWidthMM, pageHeightMM;
 568     GetPageSizeMM(&pageWidthMM, &pageHeightMM);
 569
 570     float leftMarginLogical = (float)(logUnitsFactor*leftMargin);
 571     float topMarginLogical = (float)(logUnitsFactor*topMargin);
 572     float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin));
 573     float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin));
 574
 575     dc->SetPen(* wxRED_PEN);
 576     dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
 577         (long)rightMarginLogical, (long)topMarginLogical);
 578     dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
 579         (long)rightMarginLogical,  (long)bottomMarginLogical);
 580
 581     WritePageHeader(this, dc, _T("A header"), logUnitsFactor);
 582 }
 583
 584 // Writes a header on a page. Margin units are in millimetres.
 585 bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical)
 586 {
 587 /*
 588 static wxFont *headerFont = (wxFont *) NULL;
 589 if (!headerFont)
 590 {
 591 headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD);
 592 }
 593 dc->SetFont(headerFont);
 594     */
 595
 596     int pageWidthMM, pageHeightMM;
 597
 598     printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM);
 599     wxUnusedVar(pageHeightMM);
 600
 601     int leftMargin = 10;
 602     int topMargin = 10;
 603     int rightMargin = 10;
 604
 605     float leftMarginLogical = (float)(mmToLogical*leftMargin);
 606     float topMarginLogical = (float)(mmToLogical*topMargin);
 607     float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin));
 608
 609     long xExtent, yExtent;
 610     dc->GetTextExtent(text, &xExtent, &yExtent);
 611     float xPos = (float)(((((pageWidthMM - leftMargin - rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0));
 612     dc->DrawText(text, (long)xPos, (long)topMarginLogical);
 613
 614     dc->SetPen(* wxBLACK_PEN);
 615     dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent),
 616         (long)rightMarginLogical, (long)topMarginLogical+yExtent );
 617
 618     return true;
 619 }