X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3d7cfc2fe66236d2de52108d613ced889a576423..474e9711477a5737b232435525da1c87f7eb72d2:/samples/printing/printing.cpp?ds=sidebyside diff --git a/samples/printing/printing.cpp b/samples/printing/printing.cpp index 3240955a5b..735b36f391 100644 --- a/samples/printing/printing.cpp +++ b/samples/printing/printing.cpp @@ -1,31 +1,28 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: printing.cpp +// Name: samples/printing.cpp // Purpose: Printing demo for wxWidgets // Author: Julian Smart -// Modified by: +// Modified by: Francesco Montorsi // Created: 1995 // RCS-ID: $Id$ // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation -#endif - // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/wx.h" + #include "wx/wx.h" + #include "wx/log.h" #endif #if !wxUSE_PRINTING_ARCHITECTURE -#error "You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h, and recompile the library." + #error "You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h, and recompile the library." #endif // Set this to 1 if you want to test PostScript printing under MSW. @@ -40,155 +37,308 @@ #include "wx/accel.h" #if wxTEST_POSTSCRIPT_IN_MSW -#include "wx/generic/printps.h" -#include "wx/generic/prntdlgg.h" + #include "wx/generic/printps.h" + #include "wx/generic/prntdlgg.h" #endif -#include "printing.h" - -#ifndef __WXMSW__ -#include "mondrian.xpm" +#if wxUSE_GRAPHICS_CONTEXT + #include "wx/graphics.h" #endif -#if wxUSE_LIBGNOMEPRINT -#include "wx/html/forcelnk.h" -FORCE_LINK(gnome_print) +#ifdef __WXMAC__ + #include "wx/osx/printdlg.h" #endif +#include "printing.h" -// Declare a frame -MyFrame *frame = (MyFrame *) NULL; -// int orientation = wxPORTRAIT; +#ifndef __WXMSW__ + #include "mondrian.xpm" +#endif // Global print data, to remember settings during the session -wxPrintData *g_printData = (wxPrintData*) NULL ; +wxPrintData *g_printData = NULL; // Global page setup data -wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL; +wxPageSetupDialogData* g_pageSetupData = NULL; -// Main proc -IMPLEMENT_APP(MyApp) -// Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical); -// The `main program' equivalent, creating the windows and returning the -// main frame +// ---------------------------------------------------------------------------- +// MyApp +// ---------------------------------------------------------------------------- + +IMPLEMENT_APP(MyApp) bool MyApp::OnInit(void) { + if ( !wxApp::OnInit() ) + return false; + wxInitAllImageHandlers(); - m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL); + + // init global objects + // ------------------- g_printData = new wxPrintData; + + // You could set an initial paper size here +#if 0 + g_printData->SetPaperId(wxPAPER_LETTER); // for Americans + g_printData->SetPaperId(wxPAPER_A4); // for everyone else +#endif + g_pageSetupData = new wxPageSetupDialogData; + // copy over initial paper size from print record + (*g_pageSetupData) = *g_printData; + + // Set some initial page margins in mm. + g_pageSetupData->SetMarginTopLeft(wxPoint(15, 15)); + g_pageSetupData->SetMarginBottomRight(wxPoint(15, 15)); + + + // init local GUI objects + // ---------------------- + +#if 0 + wxImage image( wxT("test.jpg") ); + image.SetAlpha(); + int i,j; + for (i = 0; i < image.GetWidth(); i++) + for (j = 0; j < image.GetHeight(); j++) + image.SetAlpha( i, j, 50 ); + m_bitmap = image; +#endif + m_angle = 30; + m_testFont.Create(10, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL); + + // Create the main frame window - frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), wxPoint(0, 0), wxSize(400, 400)); + // ---------------------------- + + MyFrame* frame = new MyFrame((wxFrame *) NULL, wxT("wxWidgets Printing Demo"), + wxPoint(0, 0), wxSize(400, 400)); + + frame->Centre(wxBOTH); + frame->Show(); + + SetTopWindow(frame); + + return true; +} + +int MyApp::OnExit() +{ + delete g_printData; + delete g_pageSetupData; + + return wxApp::OnExit(); +} + +void MyApp::Draw(wxDC&dc) +{ + // This routine just draws a bunch of random stuff on the screen so that we + // can check that different types of object are being drawn consistently + // between the screen image, the print preview image (at various zoom + // levels), and the printed page. + dc.SetBackground(*wxWHITE_BRUSH); + // dc.Clear(); + dc.SetFont(m_testFont); + + // dc.SetBackgroundMode(wxTRANSPARENT); + + dc.SetPen(*wxBLACK_PEN); + dc.SetBrush(*wxLIGHT_GREY_BRUSH); + + dc.DrawRectangle(0, 0, 230, 350); + dc.DrawLine(0, 0, 229, 349); + dc.DrawLine(229, 0, 0, 349); + dc.SetBrush(*wxTRANSPARENT_BRUSH); + + dc.SetBrush(*wxCYAN_BRUSH); + dc.SetPen(*wxRED_PEN); + + dc.DrawRoundedRectangle(0, 20, 200, 80, 20); + + dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40); + + dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) ); + dc.DrawEllipse(50, 140, 100, 50); + dc.SetPen(*wxRED_PEN); + + dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180); + +#if wxUSE_UNICODE + const char *test = "Hebrew שלום -- Japanese (日本語)"; + wxString tmp = wxConvUTF8.cMB2WC( test ); + dc.DrawText( tmp, 10, 200 ); +#endif + + wxPoint points[5]; + points[0].x = 0; + points[0].y = 0; + points[1].x = 20; + points[1].y = 0; + points[2].x = 20; + points[2].y = 20; + points[3].x = 10; + points[3].y = 20; + points[4].x = 10; + points[4].y = -20; + dc.DrawPolygon( 5, points, 20, 250, wxODDEVEN_RULE ); + dc.DrawPolygon( 5, points, 50, 250, wxWINDING_RULE ); + + dc.DrawEllipticArc( 80, 250, 60, 30, 0.0, 270.0 ); + + points[0].x = 150; + points[0].y = 250; + points[1].x = 180; + points[1].y = 250; + points[2].x = 180; + points[2].y = 220; + points[3].x = 200; + points[3].y = 220; + dc.DrawSpline( 4, points ); + + dc.DrawArc( 20,10, 10,10, 25,40 ); + + wxString str; + int i = 0; + str.Printf( wxT("---- Text at angle %d ----"), i ); + dc.DrawRotatedText( str, 100, 300, i ); + + i = m_angle; + str.Printf( wxT("---- Text at angle %d ----"), i ); + dc.DrawRotatedText( str, 100, 300, i ); + + wxIcon my_icon = wxICON(mondrian); + + dc.DrawIcon( my_icon, 100, 100); + + if (m_bitmap.IsOk()) + dc.DrawBitmap( m_bitmap, 10, 10 ); + +#if wxUSE_GRAPHICS_CONTEXT + wxGraphicsContext *gc = NULL; + + wxPrinterDC *printer_dc = wxDynamicCast( &dc, wxPrinterDC ); + if (printer_dc) + gc = wxGraphicsContext::Create( *printer_dc ); + + wxWindowDC *window_dc = wxDynamicCast( &dc, wxWindowDC ); + if (window_dc) + gc = wxGraphicsContext::Create( *window_dc ); + + if (gc) + { + // make a path that contains a circle and some lines, centered at 100,100 + gc->SetPen( *wxRED_PEN ); + gc->SetFont( m_testFont, *wxGREEN ); + wxGraphicsPath path = gc->CreatePath(); + path.AddCircle( 50.0, 50.0, 50.0 ); + path.MoveToPoint(0.0, 50.0); + path.AddLineToPoint(100.0, 50.0); + path.MoveToPoint(50.0, 0.0); + path.AddLineToPoint(50.0, 100.0 ); + path.CloseSubpath(); + path.AddRectangle(25.0, 25.0, 50.0, 50.0); + + gc->StrokePath(path); + + delete gc; + } +#endif +} + + +// ---------------------------------------------------------------------------- +// MyFrame +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(MyFrame, wxFrame) + EVT_MENU(wxID_EXIT, MyFrame::OnExit) + EVT_MENU(wxID_PRINT, MyFrame::OnPrint) + EVT_MENU(wxID_PREVIEW, MyFrame::OnPrintPreview) + EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup) + EVT_MENU(wxID_ABOUT, MyFrame::OnPrintAbout) +#if defined(__WXMSW__) &&wxTEST_POSTSCRIPT_IN_MSW + EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS) + EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS) + EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS) +#endif +#ifdef __WXMAC__ + EVT_MENU(WXPRINT_PAGE_MARGINS, MyFrame::OnPageMargins) +#endif + EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp) + EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown) +END_EVENT_TABLE() + +MyFrame::MyFrame(wxFrame *frame, const wxString&title, const wxPoint&pos, const wxSize&size) + : wxFrame(frame, wxID_ANY, title, pos, size) +{ + m_canvas = NULL; #if wxUSE_STATUSBAR - // Give it a status line - frame->CreateStatusBar(2); + // Give us a status line + CreateStatusBar(2); + SetStatusText(wxT("Printing demo")); #endif // wxUSE_STATUSBAR // Load icon and bitmap - frame->SetIcon( wxICON( mondrian) ); + SetIcon( wxICON( mondrian) ); // Make a menubar wxMenu *file_menu = new wxMenu; - file_menu->Append(WXPRINT_PRINT, _T("&Print..."), _T("Print")); - file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup")); - file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"), _T("Preview")); + file_menu->Append(wxID_PRINT, wxT("&Print..."), wxT("Print")); + file_menu->Append(WXPRINT_PAGE_SETUP, wxT("Page Set&up..."), wxT("Page setup")); +#ifdef __WXMAC__ + file_menu->Append(WXPRINT_PAGE_MARGINS, wxT("Page Margins..."), wxT("Page margins")); +#endif + file_menu->Append(wxID_PREVIEW, wxT("Print Pre&view"), wxT("Preview")); #if wxUSE_ACCEL // Accelerators wxAcceleratorEntry entries[1]; - entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW); + entries[0].Set(wxACCEL_CTRL, (int) 'V', wxID_PREVIEW); wxAcceleratorTable accel(1, entries); - frame->SetAcceleratorTable(accel); + SetAcceleratorTable(accel); #endif -#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW +#if defined(__WXMSW__) &&wxTEST_POSTSCRIPT_IN_MSW file_menu->AppendSeparator(); - file_menu->Append(WXPRINT_PRINT_PS, _T("Print PostScript..."), _T("Print (PostScript)")); - file_menu->Append(WXPRINT_PAGE_SETUP_PS, _T("Page Setup PostScript..."), _T("Page setup (PostScript)")); - file_menu->Append(WXPRINT_PREVIEW_PS, _T("Print Preview PostScript"), _T("Preview (PostScript)")); + file_menu->Append(WXPRINT_PRINT_PS, wxT("Print PostScript..."), wxT("Print (PostScript)")); + file_menu->Append(WXPRINT_PAGE_SETUP_PS, wxT("Page Setup PostScript..."), wxT("Page setup (PostScript)")); + file_menu->Append(WXPRINT_PREVIEW_PS, wxT("Print Preview PostScript"), wxT("Preview (PostScript)")); #endif + file_menu->AppendSeparator(); - file_menu->Append(WXPRINT_ANGLEUP, _T("Angle up\tAlt-U"), _T("Raise rotated text angle")); - file_menu->Append(WXPRINT_ANGLEDOWN, _T("Angle down\tAlt-D"), _T("Lower rotated text angle")); + file_menu->Append(WXPRINT_ANGLEUP, wxT("Angle up\tAlt-U"), wxT("Raise rotated text angle")); + file_menu->Append(WXPRINT_ANGLEDOWN, wxT("Angle down\tAlt-D"), wxT("Lower rotated text angle")); file_menu->AppendSeparator(); - file_menu->Append(WXPRINT_QUIT, _T("E&xit"), _T("Exit program")); + file_menu->Append(wxID_EXIT, wxT("E&xit"), wxT("Exit program")); wxMenu *help_menu = new wxMenu; - help_menu->Append(WXPRINT_ABOUT, _T("&About"), _T("About this demo")); + help_menu->Append(wxID_ABOUT, wxT("&About"), wxT("About this demo")); wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, _T("&File")); - menu_bar->Append(help_menu, _T("&Help")); + menu_bar->Append(file_menu, wxT("&File")); + menu_bar->Append(help_menu, wxT("&Help")); // Associate the menu bar with the frame - frame->SetMenuBar(menu_bar); - - MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL); + SetMenuBar(menu_bar); - // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction - canvas->SetScrollbars(20, 20, 50, 50); - frame->canvas = canvas; - - frame->Centre(wxBOTH); - frame->Show(); - -#if wxUSE_STATUSBAR - frame->SetStatusText(_T("Printing demo")); -#endif // wxUSE_STATUSBAR - - SetTopWindow(frame); - - return true; -} - -int MyApp::OnExit() -{ - delete g_printData; - delete g_pageSetupData; - return 1; -} + // create the canvas + // ----------------- -BEGIN_EVENT_TABLE(MyFrame, wxFrame) -EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit) -EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint) -EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview) -EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup) -EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout) -#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW -EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS) -EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS) -EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS) -#endif -EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp) -EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown) -END_EVENT_TABLE() + m_canvas = new MyCanvas(this, wxPoint(0, 0), wxSize(100, 100), + wxRETAINED|wxHSCROLL|wxVSCROLL); -// Define my frame constructor -MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size): -wxFrame(frame, wxID_ANY, title, pos, size) -{ - canvas = NULL; - m_angle = 30; -#if 0 - wxImage image( wxT("test.jpg") ); - image.SetAlpha(); - int i,j; - for (i = 0; i < image.GetWidth(); i++) - for (j = 0; j < image.GetHeight(); j++) - image.SetAlpha( i, j, 50 ); - m_bitmap = image; -#endif + // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction + m_canvas->SetScrollbars(20, 20, 50, 50); } void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event)) @@ -200,14 +350,18 @@ void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event)) { wxPrintDialogData printDialogData(* g_printData); - wxPrinter printer(& printDialogData); - MyPrintout printout(_T("My printout")); + wxPrinter printer(&printDialogData); + MyPrintout printout(this, wxT("My printout")); if (!printer.Print(this, &printout, true /*prompt*/)) { if (wxPrinter::GetLastError() == wxPRINTER_ERROR) - wxMessageBox(_T("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _T("Printing"), wxOK); + { + wxLogError(wxT("There was a problem printing. Perhaps your current printer is not set correctly?")); + } else - wxMessageBox(_T("You canceled printing"), _T("Printing"), wxOK); + { + wxLogMessage(wxT("You canceled printing")); + } } else { @@ -219,15 +373,17 @@ void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event)) { // Pass two printout objects: for preview, and possible printing. wxPrintDialogData printDialogData(* g_printData); - wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData); - if (!preview->Ok()) + wxPrintPreview *preview = + new wxPrintPreview(new MyPrintout(this), new MyPrintout(this), &printDialogData); + if (!preview->IsOk()) { delete preview; - wxMessageBox(_T("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK); + wxLogError(wxT("There was a problem previewing.\nPerhaps your current printer is not set correctly?")); return; } - wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650)); + wxPreviewFrame *frame = + new wxPreviewFrame(preview, this, wxT("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650)); frame->Centre(wxBOTH); frame->Initialize(); frame->Show(); @@ -240,15 +396,15 @@ void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event)) wxPageSetupDialog pageSetupDialog(this, g_pageSetupData); pageSetupDialog.ShowModal(); - (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData(); - (*g_pageSetupData) = pageSetupDialog.GetPageSetupData(); + (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData(); } #if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event)) { wxPostScriptPrinter printer(g_printData); - MyPrintout printout(_T("My printout")); + MyPrintout printout(wxT("My printout")); printer.Print(this, &printout, true/*prompt*/); (*g_printData) = printer.GetPrintData(); @@ -258,8 +414,9 @@ void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event)) { // Pass two printout objects: for preview, and possible printing. wxPrintDialogData printDialogData(* g_printData); - wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData); - wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650)); + wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, &printDialogData); + wxPreviewFrame *frame = + new wxPreviewFrame(preview, this, wxT("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650)); frame->Centre(wxBOTH); frame->Initialize(); frame->Show(); @@ -272,132 +429,68 @@ void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData); pageSetupDialog.ShowModal(); - (*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData(); - (*g_pageSetupData) = pageSetupDialog.GetPageSetupData(); + (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData(); } #endif +#ifdef __WXMAC__ +void MyFrame::OnPageMargins(wxCommandEvent& WXUNUSED(event)) +{ + (*g_pageSetupData) = *g_printData; + + wxMacPageMarginsDialog pageMarginsDialog(this, g_pageSetupData); + pageMarginsDialog.ShowModal(); + + (*g_printData) = pageMarginsDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageMarginsDialog.GetPageSetupDialogData(); +} +#endif void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event)) { - (void)wxMessageBox(_T("wxWidgets printing demo\nAuthor: Julian Smart"), - _T("About wxWidgets printing demo"), wxOK|wxCENTRE); + (void)wxMessageBox(wxT("wxWidgets printing demo\nAuthor: Julian Smart"), + wxT("About wxWidgets printing demo"), wxOK|wxCENTRE); } void MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event)) { - m_angle += 5; - canvas->Refresh(); + wxGetApp().IncrementAngle(); + m_canvas->Refresh(); } void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event)) { - m_angle -= 5; - canvas->Refresh(); + wxGetApp().DecrementAngle(); + m_canvas->Refresh(); } -void MyFrame::Draw(wxDC& dc) -{ - dc.SetBackground(*wxWHITE_BRUSH); - dc.Clear(); - dc.SetFont(wxGetApp().m_testFont); - - dc.SetBackgroundMode(wxTRANSPARENT); - - dc.SetBrush(*wxCYAN_BRUSH); - dc.SetPen(*wxRED_PEN); - - dc.DrawRoundedRectangle(0, 20, 200, 80, 20); - - dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40); - - dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) ); - dc.DrawEllipse(50, 140, 100, 50); - dc.SetPen(*wxRED_PEN); - - dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180); - - -#if wxUSE_UNICODE - char *test = "Hebrew שלום -- Japanese (日本語)"; - wxString tmp = wxConvUTF8.cMB2WC( test ); - dc.DrawText( tmp, 10, 200 ); -#endif - - wxPoint points[5]; - points[0].x = 0; - points[0].y = 0; - points[1].x = 20; - points[1].y = 0; - points[2].x = 20; - points[2].y = 20; - points[3].x = 10; - points[3].y = 20; - points[4].x = 10; - points[4].y = -20; - dc.DrawPolygon( 5, points, 20, 250, wxODDEVEN_RULE ); - dc.DrawPolygon( 5, points, 50, 250, wxWINDING_RULE ); - - dc.DrawEllipticArc( 80, 250, 60, 30, 0.0, 270.0 ); - - points[0].x = 150; - points[0].y = 250; - points[1].x = 180; - points[1].y = 250; - points[2].x = 180; - points[2].y = 220; - points[3].x = 200; - points[3].y = 220; - dc.DrawSpline( 4, points ); - - dc.DrawArc( 20,10, 10,10, 25,40 ); - - wxString str; - int i = 0; - str.Printf( wxT("---- Text at angle %d ----"), i ); - dc.DrawRotatedText( str, 100, 300, i ); - - i = m_angle; - str.Printf( wxT("---- Text at angle %d ----"), i ); - dc.DrawRotatedText( str, 100, 300, i ); - - dc.SetPen(* wxBLACK_PEN); - dc.DrawLine(0, 0, 200, 200); - dc.DrawLine(200, 0, 0, 200); - wxIcon my_icon = wxICON(mondrian) ; - - dc.DrawIcon( my_icon, 100, 100); - - if (m_bitmap.Ok()) - dc.DrawBitmap( m_bitmap, 10, 10 ); -} - -void MyFrame::OnSize(wxSizeEvent& event ) -{ - wxFrame::OnSize(event); -} +// ---------------------------------------------------------------------------- +// MyCanvas +// ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) -EVT_MOUSE_EVENTS(MyCanvas::OnEvent) + // EVT_PAINT(MyCanvas::OnPaint) END_EVENT_TABLE() -// Define a constructor for my canvas -MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style): - wxScrolledWindow(frame, wxID_ANY, pos, size, style) +MyCanvas::MyCanvas(wxFrame *frame, const wxPoint&pos, const wxSize&size, long style) + : wxScrolledWindow(frame, wxID_ANY, pos, size, style) { - SetBackgroundColour(* wxWHITE); + SetBackgroundColour(*wxWHITE); } -// Define the repainting behaviour +//void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(evt)) void MyCanvas::OnDraw(wxDC& dc) { - frame->Draw(dc); + //wxPaintDC dc(this); + wxGetApp().Draw(dc); } -void MyCanvas::OnEvent(wxMouseEvent& WXUNUSED(event)) -{ -} + +// ---------------------------------------------------------------------------- +// MyPrintout +// ---------------------------------------------------------------------------- bool MyPrintout::OnPrintPage(int page) { @@ -405,16 +498,15 @@ bool MyPrintout::OnPrintPage(int page) if (dc) { if (page == 1) - DrawPageOne(dc); + DrawPageOne(); else if (page == 2) - DrawPageTwo(dc); + DrawPageTwo(); - dc->SetDeviceOrigin(0, 0); - dc->SetUserScale(1.0, 1.0); + // Draw page numbers at top left corner of printable area, sized so that + // screen size of text matches paper size. + MapScreenSizeToPage(); - wxChar buf[200]; - wxSprintf(buf, wxT("PAGE %d"), page); - dc->DrawText(buf, 10, 10); + dc->DrawText(wxString::Format(wxT("PAGE %d"), page), 0, 0); return true; } @@ -443,83 +535,120 @@ bool MyPrintout::HasPage(int pageNum) return (pageNum == 1 || pageNum == 2); } -void MyPrintout::DrawPageOne(wxDC *dc) +void MyPrintout::DrawPageOne() { - // You might use THIS code if you were scaling - // graphics of known size to fit on the page. - - // We know the graphic is 200x200. If we didn't know this, - // we'd need to calculate it. - float maxX = 200; - float maxY = 200; - - // Let's have at least 50 device units margin - float marginX = 50; - float marginY = 50; - - // Add the margin to the graphic size - maxX += (2*marginX); - maxY += (2*marginY); - - // Get the size of the DC in pixels - int w, h; - dc->GetSize(&w, &h); - - // Calculate a suitable scaling factor - float scaleX=(float)(w/maxX); - float scaleY=(float)(h/maxY); - - // Use x or y scaling factor, whichever fits on the DC - float actualScale = wxMin(scaleX,scaleY); - - // Calculate the position on the DC for centring the graphic - float posX = (float)((w - (200*actualScale))/2.0); - float posY = (float)((h - (200*actualScale))/2.0); - - // Set the scale and origin - dc->SetUserScale(actualScale, actualScale); - dc->SetDeviceOrigin( (long)posX, (long)posY ); - - frame->Draw(*dc); + // You might use THIS code if you were scaling graphics of known size to fit + // on the page. The commented-out code illustrates different ways of scaling + // the graphics. + + // We know the graphic is 230x350. If we didn't know this, we'd need to + // calculate it. + wxCoord maxX = 230; + wxCoord maxY = 350; + + // This sets the user scale and origin of the DC so that the image fits + // within the paper rectangle (but the edges could be cut off by printers + // that can't print to the edges of the paper -- which is most of them. Use + // this if your image already has its own margins. +// FitThisSizeToPaper(wxSize(maxX, maxY)); +// wxRect fitRect = GetLogicalPaperRect(); + + // This sets the user scale and origin of the DC so that the image fits + // within the page rectangle, which is the printable area on Mac and MSW + // and is the entire page on other platforms. +// FitThisSizeToPage(wxSize(maxX, maxY)); +// wxRect fitRect = GetLogicalPageRect(); + + // This sets the user scale and origin of the DC so that the image fits + // within the page margins as specified by g_PageSetupData, which you can + // change (on some platforms, at least) in the Page Setup dialog. Note that + // on Mac, the native Page Setup dialog doesn't let you change the margins + // of a wxPageSetupDialogData object, so you'll have to write your own dialog or + // use the Mac-only wxMacPageMarginsDialog, as we do in this program. + FitThisSizeToPageMargins(wxSize(maxX, maxY), *g_pageSetupData); + wxRect fitRect = GetLogicalPageMarginsRect(*g_pageSetupData); + + // This sets the user scale and origin of the DC so that the image appears + // on the paper at the same size that it appears on screen (i.e., 10-point + // type on screen is 10-point on the printed page) and is positioned in the + // top left corner of the page rectangle (just as the screen image appears + // in the top left corner of the window). +// MapScreenSizeToPage(); +// wxRect fitRect = GetLogicalPageRect(); + + // You could also map the screen image to the entire paper at the same size + // as it appears on screen. +// MapScreenSizeToPaper(); +// wxRect fitRect = GetLogicalPaperRect(); + + // You might also wish to do you own scaling in order to draw objects at + // full native device resolution. In this case, you should do the following. + // Note that you can use the GetLogicalXXXRect() commands to obtain the + // appropriate rect to scale to. +// MapScreenSizeToDevice(); +// wxRect fitRect = GetLogicalPageRect(); + + // Each of the preceding Fit or Map routines positions the origin so that + // the drawn image is positioned at the top left corner of the reference + // rectangle. You can easily center or right- or bottom-justify the image as + // follows. + + // This offsets the image so that it is centered within the reference + // rectangle defined above. + wxCoord xoff = (fitRect.width - maxX) / 2; + wxCoord yoff = (fitRect.height - maxY) / 2; + OffsetLogicalOrigin(xoff, yoff); + + // This offsets the image so that it is positioned at the bottom right of + // the reference rectangle defined above. +// wxCoord xoff = (fitRect.width - maxX); +// wxCoord yoff = (fitRect.height - maxY); +// OffsetLogicalOrigin(xoff, yoff); + + wxGetApp().Draw(*GetDC()); } -void MyPrintout::DrawPageTwo(wxDC *dc) +void MyPrintout::DrawPageTwo() { // You might use THIS code to set the printer DC to ROUGHLY reflect // the screen text size. This page also draws lines of actual length // 5cm on the page. + // Compare this to DrawPageOne(), which uses the really convenient routines + // from wxPrintout to fit the screen image onto the printed page. This page + // illustrates how to do all the scaling calculations yourself, if you're so + // inclined. + + wxDC *dc = GetDC(); + // Get the logical pixels per inch of screen and printer int ppiScreenX, ppiScreenY; GetPPIScreen(&ppiScreenX, &ppiScreenY); int ppiPrinterX, ppiPrinterY; GetPPIPrinter(&ppiPrinterX, &ppiPrinterY); - // This scales the DC so that the printout roughly represents the - // the screen scaling. The text point size _should_ be the right size - // but in fact is too small for some reason. This is a detail that will - // need to be addressed at some point but can be fudged for the - // moment. + // This scales the DC so that the printout roughly represents the the screen + // scaling. The text point size _should_ be the right size but in fact is + // too small for some reason. This is a detail that will need to be + // addressed at some point but can be fudged for the moment. float scale = (float)((float)ppiPrinterX/(float)ppiScreenX); - // Now we have to check in case our real page size is reduced - // (e.g. because we're drawing to a print preview memory DC) + // Now we have to check in case our real page size is reduced (e.g. because + // we're drawing to a print preview memory DC) int pageWidth, pageHeight; int w, h; dc->GetSize(&w, &h); GetPageSizePixels(&pageWidth, &pageHeight); - // If printer pageWidth == current DC width, then this doesn't - // change. But w might be the preview bitmap width, so scale down. + // If printer pageWidth == current DC width, then this doesn't change. But w + // might be the preview bitmap width, so scale down. float overallScale = scale * (float)(w/(float)pageWidth); dc->SetUserScale(overallScale, overallScale); - // Calculate conversion factor for converting millimetres into - // logical units. - // There are approx. 25.4 mm to the inch. There are ppi - // device units to the inch. Therefore 1 mm corresponds to - // ppi/25.4 device units. We also divide by the - // screen-to-printer scaling factor, because we need to + // Calculate conversion factor for converting millimetres into logical + // units. There are approx. 25.4 mm to the inch. There are ppi device units + // to the inch. Therefore 1 mm corresponds to ppi/25.4 device units. We also + // divide by the screen-to-printer scaling factor, because we need to // unscale to pass logical units to DrawLine. // Draw 50 mm by 50 mm L shape @@ -533,8 +662,9 @@ void MyPrintout::DrawPageTwo(wxDC *dc) dc->SetBrush(*wxTRANSPARENT_BRUSH); { // GetTextExtent demo: - wxString words[7] = {_T("This "), _T("is "), _T("GetTextExtent "), _T("testing "), _T("string. "), _T("Enjoy "), _T("it!")}; - long w, h; + wxString words[7] = { wxT("This "), wxT("is "), wxT("GetTextExtent "), + wxT("testing "), wxT("string. "), wxT("Enjoy "), wxT("it!") }; + wxCoord w, h; long x = 200, y= 250; wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL); @@ -553,9 +683,9 @@ void MyPrintout::DrawPageTwo(wxDC *dc) } - dc->SetFont(wxGetApp().m_testFont); + dc->SetFont(wxGetApp().GetTestFont()); - dc->DrawText(_T("Some test text"), 200, 300 ); + dc->DrawText(wxT("Some test text"), 200, 300 ); // TESTING @@ -578,20 +708,20 @@ void MyPrintout::DrawPageTwo(wxDC *dc) dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical, (long)rightMarginLogical, (long)bottomMarginLogical); - WritePageHeader(this, dc, _T("A header"), logUnitsFactor); + WritePageHeader(this, dc, wxT("A header"), logUnitsFactor); } // Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, wxChar *text, float mmToLogical) -{ -/* -static wxFont *headerFont = (wxFont *) NULL; -if (!headerFont) +bool MyPrintout::WritePageHeader(wxPrintout *printout, wxDC *dc, const wxString&text, float mmToLogical) { -headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD); -} -dc->SetFont(headerFont); - */ +#if 0 + static wxFont *headerFont = (wxFont *) NULL; + if (!headerFont) + { + headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD); + } + dc->SetFont(headerFont); +#endif int pageWidthMM, pageHeightMM; @@ -606,14 +736,15 @@ dc->SetFont(headerFont); float topMarginLogical = (float)(mmToLogical*topMargin); float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin)); - long xExtent, yExtent; + wxCoord xExtent, yExtent; dc->GetTextExtent(text, &xExtent, &yExtent); + float xPos = (float)(((((pageWidthMM - leftMargin - rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0)); dc->DrawText(text, (long)xPos, (long)topMarginLogical); dc->SetPen(* wxBLACK_PEN); dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent), - (long)rightMarginLogical, (long)topMarginLogical+yExtent ); + (long)rightMarginLogical, (long)topMarginLogical+yExtent ); return true; }