From 48ed4a8971d9ba09cc3d5eba09d22c7cf4095644 Mon Sep 17 00:00:00 2001 From: Francesco Montorsi Date: Wed, 25 Feb 2009 11:54:16 +0000 Subject: [PATCH] revise all code; do not use many global objects; use wxLog to give errors/messages; put drawing code in a wxApp member; get rid of old code; fix indentation git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59126 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- samples/printing/printing.cpp | 591 ++++++++++++++++++---------------- samples/printing/printing.h | 80 +++-- 2 files changed, 354 insertions(+), 317 deletions(-) diff --git a/samples/printing/printing.cpp b/samples/printing/printing.cpp index c41b5cfe95..8bf639ad09 100644 --- a/samples/printing/printing.cpp +++ b/samples/printing/printing.cpp @@ -2,7 +2,7 @@ // 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 @@ -13,15 +13,16 @@ #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. @@ -36,43 +37,38 @@ #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 #if wxUSE_GRAPHICS_CONTEXT -#include "wx/graphics.h" + #include "wx/graphics.h" #endif #ifdef __WXMAC__ -#include "wx/mac/printdlg.h" + #include "wx/mac/printdlg.h" #endif #include "printing.h" #ifndef __WXMSW__ -#include "mondrian.xpm" + #include "mondrian.xpm" #endif -// Declare a frame -MyFrame *frame = (MyFrame *) NULL; -// int orientation = wxPORTRAIT; - // Global print data, to remember settings during the session -wxPrintData *g_printData = (wxPrintData*) NULL ; +wxPrintData *g_printData = NULL; // Global page setup data -wxPageSetupDialogData* g_pageSetupData = (wxPageSetupDialogData*) NULL; +wxPageSetupDialogData* g_pageSetupData = NULL; + + + +// ---------------------------------------------------------------------------- +// MyApp +// ---------------------------------------------------------------------------- -// Main proc IMPLEMENT_APP(MyApp) -// Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical); - -// The `main program' equivalent, creating the windows and returning the -// main frame - bool MyApp::OnInit(void) { if ( !wxApp::OnInit() ) @@ -80,88 +76,53 @@ bool MyApp::OnInit(void) wxInitAllImageHandlers(); - m_testFont.Create(10, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL); + + // init global objects + // ------------------- g_printData = new wxPrintData; + // You could set an initial paper size here -// g_printData->SetPaperId(wxPAPER_LETTER); // for Americans -// g_printData->SetPaperId(wxPAPER_A4); // for everyone else +#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. + + // 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)); + // ---------------------------- -#if wxUSE_STATUSBAR - // Give it a status line - frame->CreateStatusBar(2); -#endif // wxUSE_STATUSBAR - - // Load icon and bitmap - frame->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")); -#ifdef __WXMAC__ - file_menu->Append(WXPRINT_PAGE_MARGINS, _T("Page Margins..."), _T("Page margins")); -#endif - file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"), _T("Preview")); - -#if wxUSE_ACCEL - // Accelerators - wxAcceleratorEntry entries[1]; - entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW); - wxAcceleratorTable accel(1, entries); - frame->SetAcceleratorTable(accel); -#endif - -#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)")); -#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->AppendSeparator(); - file_menu->Append(WXPRINT_QUIT, _T("E&xit"), _T("Exit program")); - - wxMenu *help_menu = new wxMenu; - help_menu->Append(WXPRINT_ABOUT, _T("&About"), _T("About this demo")); - - wxMenuBar *menu_bar = new wxMenuBar; - - menu_bar->Append(file_menu, _T("&File")); - menu_bar->Append(help_menu, _T("&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); - - // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction - canvas->SetScrollbars(20, 20, 50, 50); - - frame->canvas = canvas; + MyFrame* frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), + wxPoint(0, 0), wxSize(400, 400)); frame->Centre(wxBOTH); frame->Show(); -#if wxUSE_STATUSBAR - frame->SetStatusText(_T("Printing demo")); -#endif // wxUSE_STATUSBAR - SetTopWindow(frame); return true; @@ -171,164 +132,11 @@ int MyApp::OnExit() { delete g_printData; delete g_pageSetupData; - return 1; + + return wxApp::OnExit(); } -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 -#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() - -// 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 -} - -void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event)) -{ - Close(true /*force closing*/); -} - -void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event)) -{ - wxPrintDialogData printDialogData(* g_printData); - - wxPrinter printer(& printDialogData); - MyPrintout printout(_T("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); - else - wxMessageBox(_T("You canceled printing"), _T("Printing"), wxOK); - } - else - { - (*g_printData) = printer.GetPrintDialogData().GetPrintData(); - } -} - -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()) - { - delete preview; - wxMessageBox(_T("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK); - return; - } - - wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650)); - frame->Centre(wxBOTH); - frame->Initialize(); - frame->Show(); -} - -void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event)) -{ - (*g_pageSetupData) = *g_printData; - - wxPageSetupDialog pageSetupDialog(this, g_pageSetupData); - pageSetupDialog.ShowModal(); - - (*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")); - printer.Print(this, &printout, true/*prompt*/); - - (*g_printData) = printer.GetPrintData(); -} - -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)); - frame->Centre(wxBOTH); - frame->Initialize(); - frame->Show(); -} - -void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) -{ - (*g_pageSetupData) = * g_printData; - - wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData); - pageSetupDialog.ShowModal(); - - (*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 MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event)) -{ - m_angle += 5; - canvas->Refresh(); -} - -void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event)) -{ - m_angle -= 5; - canvas->Refresh(); -} - -void MyFrame::Draw(wxDC& dc) +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 @@ -336,13 +144,13 @@ void MyFrame::Draw(wxDC& dc) // levels), and the printed page. dc.SetBackground(*wxWHITE_BRUSH); // dc.Clear(); - dc.SetFont(wxGetApp().m_testFont); + 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); @@ -352,7 +160,7 @@ void MyFrame::Draw(wxDC& dc) 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) ); @@ -360,7 +168,7 @@ void MyFrame::Draw(wxDC& dc) 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 ); @@ -394,7 +202,7 @@ void MyFrame::Draw(wxDC& dc) 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 ); @@ -404,11 +212,11 @@ void MyFrame::Draw(wxDC& dc) str.Printf( wxT("---- Text at angle %d ----"), i ); dc.DrawRotatedText( str, 100, 300, i ); - wxIcon my_icon = wxICON(mondrian) ; + wxIcon my_icon = wxICON(mondrian); dc.DrawIcon( my_icon, 100, 100); - if (m_bitmap.Ok()) + if (m_bitmap.IsOk()) dc.DrawBitmap( m_bitmap, 10, 10 ); #if wxUSE_GRAPHICS_CONTEXT @@ -421,12 +229,12 @@ void MyFrame::Draw(wxDC& 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( wxGetApp().m_testFont, *wxGREEN ); + gc->SetFont( m_testFont, *wxGREEN ); wxGraphicsPath path = gc->CreatePath(); path.AddCircle( 50.0, 50.0, 50.0 ); path.MoveToPoint(0.0, 50.0); @@ -435,38 +243,250 @@ void MyFrame::Draw(wxDC& dc) path.AddLineToPoint(50.0, 100.0 ); path.CloseSubpath(); path.AddRectangle(25.0, 25.0, 50.0, 50.0); - + gc->StrokePath(path); - + delete gc; } #endif - } -void MyFrame::OnSize(wxSizeEvent& event ) -{ - wxFrame::OnSize(event); -} -BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) -EVT_MOUSE_EVENTS(MyCanvas::OnEvent) +// ---------------------------------------------------------------------------- +// 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() -MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style): - wxScrolledWindow(frame, wxID_ANY, pos, size, style) +MyFrame::MyFrame(wxFrame *frame, const wxString&title, const wxPoint&pos, const wxSize&size) + : wxFrame(frame, wxID_ANY, title, pos, size) { - SetBackgroundColour(* wxWHITE); + m_canvas = NULL; + +#if wxUSE_STATUSBAR + // Give us a status line + CreateStatusBar(2); + SetStatusText(_T("Printing demo")); +#endif // wxUSE_STATUSBAR + + // Load icon and bitmap + SetIcon( wxICON( mondrian) ); + + // Make a menubar + wxMenu *file_menu = new wxMenu; + + file_menu->Append(wxID_PRINT, _T("&Print..."), _T("Print")); + file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup")); +#ifdef __WXMAC__ + file_menu->Append(WXPRINT_PAGE_MARGINS, _T("Page Margins..."), _T("Page margins")); +#endif + file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"), _T("Preview")); + +#if wxUSE_ACCEL + // Accelerators + wxAcceleratorEntry entries[1]; + entries[0].Set(wxACCEL_CTRL, (int) 'V', wxID_PREVIEW); + wxAcceleratorTable accel(1, entries); + SetAcceleratorTable(accel); +#endif + +#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)")); +#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->AppendSeparator(); + file_menu->Append(wxID_EXIT, _T("E&xit"), _T("Exit program")); + + wxMenu *help_menu = new wxMenu; + help_menu->Append(wxID_ABOUT, _T("&About"), _T("About this demo")); + + wxMenuBar *menu_bar = new wxMenuBar; + + menu_bar->Append(file_menu, _T("&File")); + menu_bar->Append(help_menu, _T("&Help")); + + // Associate the menu bar with the frame + SetMenuBar(menu_bar); + + + // create the canvas + // ----------------- + + m_canvas = new MyCanvas(this, wxPoint(0, 0), wxSize(100, 100), + wxRETAINED|wxHSCROLL|wxVSCROLL); + + // 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)) +{ + Close(true /*force closing*/); +} + +void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event)) +{ + wxPrintDialogData printDialogData(* g_printData); + + wxPrinter printer(&printDialogData); + MyPrintout printout(this, _T("My printout")); + if (!printer.Print(this, &printout, true /*prompt*/)) + { + if (wxPrinter::GetLastError() == wxPRINTER_ERROR) + wxLogError(_T("There was a problem printing. Perhaps your current printer is not set correctly?")); + else + wxLogMessage(_T("You canceled printing")); + } + else + { + (*g_printData) = printer.GetPrintDialogData().GetPrintData(); + } +} + +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(this), new MyPrintout(this), &printDialogData); + if (!preview->IsOk()) + { + delete preview; + wxLogError(_T("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)); + frame->Centre(wxBOTH); + frame->Initialize(); + frame->Show(); +} + +void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event)) +{ + (*g_pageSetupData) = *g_printData; + + wxPageSetupDialog pageSetupDialog(this, g_pageSetupData); + pageSetupDialog.ShowModal(); + + (*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")); + printer.Print(this, &printout, true/*prompt*/); + + (*g_printData) = printer.GetPrintData(); +} + +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)); + frame->Centre(wxBOTH); + frame->Initialize(); + frame->Show(); +} + +void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) +{ + (*g_pageSetupData) = * g_printData; + + wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData); + pageSetupDialog.ShowModal(); + + (*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 MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event)) +{ + wxGetApp().IncrementAngle(); + m_canvas->Refresh(); +} + +void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event)) +{ + wxGetApp().DecrementAngle(); + m_canvas->Refresh(); +} + + +// ---------------------------------------------------------------------------- +// MyCanvas +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) + // EVT_PAINT(MyCanvas::OnPaint) +END_EVENT_TABLE() + +MyCanvas::MyCanvas(wxFrame *frame, const wxPoint&pos, const wxSize&size, long style) + : wxScrolledWindow(frame, wxID_ANY, pos, size, style) +{ + SetBackgroundColour(*wxWHITE); +} + +//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) { @@ -481,9 +501,8 @@ bool MyPrintout::OnPrintPage(int page) // 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, 0, 0); + + dc->DrawText(wxString::Format(wxT("PAGE %d"), page), 0, 0); return true; } @@ -582,7 +601,7 @@ void MyPrintout::DrawPageOne() // wxCoord yoff = (fitRect.height - maxY); // OffsetLogicalOrigin(xoff, yoff); - frame->Draw(*GetDC()); + wxGetApp().Draw(*GetDC()); } void MyPrintout::DrawPageTwo() @@ -639,7 +658,8 @@ void MyPrintout::DrawPageTwo() dc->SetBrush(*wxTRANSPARENT_BRUSH); { // GetTextExtent demo: - wxString words[7] = {_T("This "), _T("is "), _T("GetTextExtent "), _T("testing "), _T("string. "), _T("Enjoy "), _T("it!")}; + wxString words[7] = { _T("This "), _T("is "), _T("GetTextExtent "), + _T("testing "), _T("string. "), _T("Enjoy "), _T("it!") }; wxCoord w, h; long x = 200, y= 250; wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL); @@ -659,7 +679,7 @@ void MyPrintout::DrawPageTwo() } - dc->SetFont(wxGetApp().m_testFont); + dc->SetFont(wxGetApp().GetTestFont()); dc->DrawText(_T("Some test text"), 200, 300 ); @@ -688,16 +708,16 @@ void MyPrintout::DrawPageTwo() } // Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical) +bool MyPrintout::WritePageHeader(wxPrintout *printout, wxDC *dc, const wxString&text, float mmToLogical) { -/* -static wxFont *headerFont = (wxFont *) NULL; -if (!headerFont) -{ -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; @@ -714,12 +734,13 @@ dc->SetFont(headerFont); 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; } diff --git a/samples/printing/printing.h b/samples/printing/printing.h index 9ccd72a277..e167f6970d 100644 --- a/samples/printing/printing.h +++ b/samples/printing/printing.h @@ -1,6 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// // Name: samples/printing.h - // Purpose: Printing demo for wxWidgets // Author: Julian Smart // Modified by: @@ -13,32 +12,40 @@ // Define a new application class MyApp: public wxApp { - public: - MyApp(){}; - bool OnInit(); - int OnExit(); +public: + MyApp() {} - wxFont m_testFont; + virtual bool OnInit(); + virtual int OnExit(); + + void Draw(wxDC& dc); + + void IncrementAngle() + { m_angle += 5; } + void DecrementAngle() + { m_angle -= 5; } + + wxFont& GetTestFont() + { return m_testFont; } + +private: + int m_angle; + wxBitmap m_bitmap; + wxFont m_testFont; }; DECLARE_APP(MyApp) - class MyCanvas; // Define a new canvas and frame class MyFrame: public wxFrame { - public: - MyCanvas *canvas; - wxBitmap m_bitmap; - int m_angle; +public: MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size); - void Draw(wxDC& dc); void OnAngleUp(wxCommandEvent& event); void OnAngleDown(wxCommandEvent& event); - void OnSize(wxSizeEvent& event); void OnPrint(wxCommandEvent& event); void OnPrintPreview(wxCommandEvent& event); void OnPageSetup(wxCommandEvent& event); @@ -53,48 +60,57 @@ class MyFrame: public wxFrame void OnExit(wxCommandEvent& event); void OnPrintAbout(wxCommandEvent& event); -DECLARE_EVENT_TABLE() + +private: + MyCanvas* m_canvas; + + DECLARE_EVENT_TABLE() }; -// Define a new canvas which can receive some events +// Define a new white canvas class MyCanvas: public wxScrolledWindow { - public: +public: MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style = wxRETAINED); - ~MyCanvas(void){}; + //void OnPaint(wxPaintEvent& evt); virtual void OnDraw(wxDC& dc); - void OnEvent(wxMouseEvent& event); -DECLARE_EVENT_TABLE() +private: + DECLARE_EVENT_TABLE() }; +// Defines a new printout class to print our document class MyPrintout: public wxPrintout { - public: - MyPrintout(const wxChar *title = _T("My printout")):wxPrintout(title) {} - bool OnPrintPage(int page); - bool HasPage(int page); - bool OnBeginDocument(int startPage, int endPage); - void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo); +public: + MyPrintout(MyFrame* frame, const wxString &title = _T("My printout")) + : wxPrintout(title) { m_frame=frame; } - void DrawPageOne(); + bool OnPrintPage(int page); + bool HasPage(int page); + bool OnBeginDocument(int startPage, int endPage); + void GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo); - void DrawPageTwo(); + void DrawPageOne(); + void DrawPageTwo(); + // Writes a header on a page. Margin units are in millimetres. + bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxString& text, float mmToLogical); + +private: + MyFrame *m_frame; }; -#define WXPRINT_QUIT 100 -#define WXPRINT_PRINT 101 + +// constants: + #define WXPRINT_PAGE_SETUP 103 -#define WXPRINT_PREVIEW 104 #define WXPRINT_PRINT_PS 105 #define WXPRINT_PAGE_SETUP_PS 107 #define WXPRINT_PREVIEW_PS 108 -#define WXPRINT_ABOUT 109 - #define WXPRINT_ANGLEUP 110 #define WXPRINT_ANGLEDOWN 111