X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bc67cc550bcd9d5f93f88ae22a4f6ac7fafb5f7..5deedd6e79a29e5dcdcf6d94bda94b8d1c61c676:/samples/printing/printing.cpp diff --git a/samples/printing/printing.cpp b/samples/printing/printing.cpp index 598d0876fe..d7cdd08585 100644 --- a/samples/printing/printing.cpp +++ b/samples/printing/printing.cpp @@ -1,17 +1,13 @@ -/* - * File: printing.cc - * Purpose: Printing demo for wxWindows class library - * Author: Julian Smart - * Created: 1995 - * Updated: - * Copyright: (c) 1995, AIAI, University of Edinburgh - */ - -/* static const char sccsid[] = "%W% %G%"; */ - -#ifdef __GNUG__ -#pragma implementation -#endif +///////////////////////////////////////////////////////////////////////////// +// Name: samples/printing.cpp +// Purpose: Printing demo for wxWidgets +// Author: Julian Smart +// Modified by: +// Created: 1995 +// RCS-ID: $Id$ +// Copyright: (c) Julian Smart +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -22,11 +18,10 @@ #ifndef WX_PRECOMP #include "wx/wx.h" -#include "wx/postscrp.h" #endif #if !wxUSE_PRINTING_ARCHITECTURE -#error You must set wxUSE_PRINTING_ARCHITECTURE to 1 in wx_setup.h to compile this demo. +#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. @@ -37,7 +32,7 @@ #include "wx/metafile.h" #include "wx/print.h" #include "wx/printdlg.h" - +#include "wx/image.h" #include "wx/accel.h" #if wxTEST_POSTSCRIPT_IN_MSW @@ -45,283 +40,377 @@ #include "wx/generic/prntdlgg.h" #endif +#ifdef __WXMAC__ +#include "wx/mac/printdlg.h" +#endif + #include "printing.h" #ifndef __WXMSW__ #include "mondrian.xpm" #endif +#if wxUSE_LIBGNOMEPRINT +#include "wx/html/forcelnk.h" +FORCE_LINK(gnome_print) +#endif + + // Declare a frame MyFrame *frame = (MyFrame *) NULL; -int orientation = wxPORTRAIT; +// int orientation = wxPORTRAIT; + +// Global print data, to remember settings during the session +wxPrintData *g_printData = (wxPrintData*) NULL ; + +// Global page setup data +wxPageSetupDialogData* g_pageSetupData = (wxPageSetupDialogData*) NULL; // Main proc IMPLEMENT_APP(MyApp) // Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, char *text, float mmToLogical); - -MyApp::MyApp() -{ -} +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) { - m_testFont = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL); + if ( !wxApp::OnInit() ) + return false; + + wxInitAllImageHandlers(); - // Create the main frame window - frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows Printing Demo", wxPoint(0, 0), wxSize(400, 400)); + m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL); - // Give it a status line - frame->CreateStatusBar(2); + 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 - // Load icon and bitmap - frame->SetIcon( wxICON( mondrian) ); + 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)); - // Make a menubar - wxMenu *file_menu = new wxMenu; + // Create the main frame window + frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), + wxPoint(0, 0), wxSize(400, 400)); - file_menu->Append(WXPRINT_PRINT, "&Print...", "Print"); - file_menu->Append(WXPRINT_PRINT_SETUP, "Print &Setup...", "Setup printer properties"); - file_menu->Append(WXPRINT_PAGE_SETUP, "Page Set&up...", "Page setup"); - file_menu->Append(WXPRINT_PREVIEW, "Print Pre&view", "Preview"); +#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, "Print PostScript...", "Print (PostScript)"); - file_menu->Append(WXPRINT_PRINT_SETUP_PS, "Print Setup PostScript...", "Setup printer properties (PostScript)"); - file_menu->Append(WXPRINT_PAGE_SETUP_PS, "Page Setup PostScript...", "Page setup (PostScript)"); - file_menu->Append(WXPRINT_PREVIEW_PS, "Print Preview PostScript", "Preview (PostScript)"); + 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_QUIT, "E&xit", "Exit program"); - wxMenu *help_menu = new wxMenu; - help_menu->Append(WXPRINT_ABOUT, "&About", "About this demo"); + 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")); - wxMenuBar *menu_bar = new wxMenuBar; + wxMenu *help_menu = new wxMenu; + help_menu->Append(WXPRINT_ABOUT, _T("&About"), _T("About this demo")); - menu_bar->Append(file_menu, "&File"); - menu_bar->Append(help_menu, "&Help"); + wxMenuBar *menu_bar = new wxMenuBar; - // Associate the menu bar with the frame - frame->SetMenuBar(menu_bar); + menu_bar->Append(file_menu, _T("&File")); + menu_bar->Append(help_menu, _T("&Help")); - MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL); + // Associate the menu bar with the frame + frame->SetMenuBar(menu_bar); - // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction - canvas->SetScrollbars(20, 20, 50, 50); + MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL); - frame->canvas = canvas; + // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction + canvas->SetScrollbars(20, 20, 50, 50); - frame->Centre(wxBOTH); - frame->Show(TRUE); + frame->canvas = canvas; - frame->SetStatusText("Printing demo"); + frame->Centre(wxBOTH); + frame->Show(); - SetTopWindow(frame); +#if wxUSE_STATUSBAR + frame->SetStatusText(_T("Printing demo")); +#endif // wxUSE_STATUSBAR - return TRUE; + SetTopWindow(frame); + + return true; +} + +int MyApp::OnExit() +{ + delete g_printData; + delete g_pageSetupData; + return 1; } 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_PRINT_SETUP, MyFrame::OnPrintSetup) - EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup) - EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout) +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_PRINT_SETUP_PS, MyFrame::OnPrintSetupPS) - EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS) +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, -1, title, pos, size) +wxFrame(frame, wxID_ANY, title, pos, size) { - canvas = (MyCanvas *) NULL; + 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); + Close(true /*force closing*/); } void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event)) { -#ifdef __WXMSW__ - wxGetApp().SetPrintMode(wxPRINT_WINDOWS); -#else - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); -#endif - wxPrinter printer; - MyPrintout printout("My printout"); - if (!printer.Print(this, &printout, TRUE)) - wxMessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wxOK); + 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)) { -#ifdef __WXMSW__ - wxGetApp().SetPrintMode(wxPRINT_WINDOWS); -#else - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); -#endif - wxPrintData printData; - printData.SetOrientation(orientation); - - // Pass two printout objects: for preview, and possible printing. - wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printData); - if (!preview->Ok()) - { + // 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("There was a problem previewing.\nPerhaps your current printer is not set correctly?", "Previewing", wxOK); + 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, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650)); - frame->Centre(wxBOTH); - frame->Initialize(); - frame->Show(TRUE); -} - -void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event)) -{ -#ifdef __WXMSW__ - wxGetApp().SetPrintMode(wxPRINT_WINDOWS); -#else - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); -#endif - wxPrintData data; - data.SetOrientation(orientation); - -#ifdef __WXMSW__ - wxPrintDialog printerDialog(this, & data); -#else - wxGenericPrintDialog printerDialog(this, & data); -#endif - printerDialog.GetPrintData().SetSetupDialog(TRUE); - printerDialog.ShowModal(); + } - orientation = printerDialog.GetPrintData().GetOrientation(); + 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)) { -#ifdef __WXMSW__ - wxGetApp().SetPrintMode(wxPRINT_WINDOWS); -#else - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); -#endif - wxPageSetupData data; - data.SetOrientation(orientation); + (*g_pageSetupData) = *g_printData; -#ifdef __WXMSW__ - wxPageSetupDialog pageSetupDialog(this, & data); -#else - wxGenericPageSetupDialog pageSetupDialog(this, & data); -#endif - pageSetupDialog.ShowModal(); + wxPageSetupDialog pageSetupDialog(this, g_pageSetupData); + pageSetupDialog.ShowModal(); - data = pageSetupDialog.GetPageSetupData(); - orientation = data.GetOrientation(); + (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData(); } #if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event)) { - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); + wxPostScriptPrinter printer(g_printData); + MyPrintout printout(_T("My printout")); + printer.Print(this, &printout, true/*prompt*/); - wxPostScriptPrinter printer; - MyPrintout printout("My printout"); - printer.Print(this, &printout, TRUE); + (*g_printData) = printer.GetPrintData(); } void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event)) { - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); - - wxPrintData printData; - printData.SetOrientation(orientation); - - // Pass two printout objects: for preview, and possible printing. - wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printData); - wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650)); - frame->Centre(wxBOTH); - frame->Initialize(); - frame->Show(TRUE); + // 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::OnPrintSetupPS(wxCommandEvent& WXUNUSED(event)) +void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) { - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); + (*g_pageSetupData) = * g_printData; - wxPrintData data; - data.SetOrientation(orientation); + wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData); + pageSetupDialog.ShowModal(); - wxGenericPrintDialog printerDialog(this, & data); - printerDialog.GetPrintData().SetSetupDialog(TRUE); - printerDialog.ShowModal(); - - orientation = printerDialog.GetPrintData().GetOrientation(); + (*g_printData) = pageSetupDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData(); } +#endif -void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event)) -{ - wxGetApp().SetPrintMode(wxPRINT_POSTSCRIPT); - wxPageSetupData data; - data.SetOrientation(orientation); +#ifdef __WXMAC__ +void MyFrame::OnPageMargins(wxCommandEvent& WXUNUSED(event)) +{ + (*g_pageSetupData) = *g_printData; - wxGenericPageSetupDialog pageSetupDialog(this, & data); - pageSetupDialog.ShowModal(); + wxMacPageMarginsDialog pageMarginsDialog(this, g_pageSetupData); + pageMarginsDialog.ShowModal(); - orientation = pageSetupDialog.GetPageSetupData().GetOrientation(); + (*g_printData) = pageMarginsDialog.GetPageSetupDialogData().GetPrintData(); + (*g_pageSetupData) = pageMarginsDialog.GetPageSetupDialogData(); } #endif void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event)) { - (void)wxMessageBox("wxWindows printing demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk", - "About wxWindows printing demo", wxOK|wxCENTRE); + (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) { - dc.SetFont(* wxGetApp().m_testFont); + // 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(wxGetApp().m_testFont); - dc.SetBackgroundMode(wxTRANSPARENT); + dc.SetBackgroundMode(wxTRANSPARENT); - dc.SetBrush(* wxCYAN_BRUSH); - dc.SetPen(* wxRED_PEN); + 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.DrawRectangle(0, 30, 200, 100); - dc.DrawText("Rectangle 200 by 100", 40, 40); + dc.SetBrush(*wxCYAN_BRUSH); + dc.SetPen(*wxRED_PEN); - dc.DrawEllipse(50, 140, 100, 50); + dc.DrawRoundedRectangle(0, 20, 200, 80, 20); - dc.DrawText("Test message: this is in 10 point text", 10, 180); + dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40); - dc.SetPen(* wxBLACK_PEN); - dc.DrawLine(0, 0, 200, 200); - dc.DrawLine(200, 0, 0, 200); - - wxIcon my_icon( wxICON(mondrian) ); + 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 - dc.DrawIcon( my_icon, 100, 100); + 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.Ok()) + dc.DrawBitmap( m_bitmap, 10, 10 ); } void MyFrame::OnSize(wxSizeEvent& event ) @@ -330,229 +419,276 @@ void MyFrame::OnSize(wxSizeEvent& event ) } BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) - EVT_MOUSE_EVENTS(MyCanvas::OnEvent) +EVT_MOUSE_EVENTS(MyCanvas::OnEvent) END_EVENT_TABLE() -// Define a constructor for my canvas MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style): - wxScrolledWindow(frame, -1, pos, size, style) + wxScrolledWindow(frame, wxID_ANY, pos, size, style) { + SetBackgroundColour(* wxWHITE); } -MyCanvas::~MyCanvas(void) -{ -} - -// Define the repainting behaviour void MyCanvas::OnDraw(wxDC& dc) { - frame->Draw(dc); + frame->Draw(dc); } void MyCanvas::OnEvent(wxMouseEvent& WXUNUSED(event)) { } -bool MyFrame::OnClose(void) -{ - Show(FALSE); - delete wxGetApp().m_testFont; - - return TRUE; -} - bool MyPrintout::OnPrintPage(int page) { - wxDC *dc = GetDC(); - if (dc) - { - if (page == 1) - DrawPageOne(dc); - else if (page == 2) - DrawPageTwo(dc); - - dc->SetDeviceOrigin(0, 0); - dc->SetUserScale(1.0, 1.0); - - char buf[200]; - sprintf(buf, "PAGE %d", page); - dc->DrawText(buf, 10, 10); - - return TRUE; - } - else - return FALSE; + wxDC *dc = GetDC(); + if (dc) + { + if (page == 1) + DrawPageOne(); + else if (page == 2) + DrawPageTwo(); + + // 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); + + return true; + } + else + return false; } bool MyPrintout::OnBeginDocument(int startPage, int endPage) { - if (!wxPrintout::OnBeginDocument(startPage, endPage)) - return FALSE; + if (!wxPrintout::OnBeginDocument(startPage, endPage)) + return false; - return TRUE; + return true; } void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) { - *minPage = 1; - *maxPage = 2; - *selPageFrom = 1; - *selPageTo = 2; + *minPage = 1; + *maxPage = 2; + *selPageFrom = 1; + *selPageTo = 2; } bool MyPrintout::HasPage(int pageNum) { - return (pageNum == 1 || pageNum == 2); + 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. - */ - int w, h; - - // 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 - 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); + + frame->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. - */ - // 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. - 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) - 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. - float overallScale = scale * (float)(w/(float)pageWidth); - dc->SetUserScale(overallScale, overallScale); - - // Calculate conversion factor for converting millimetres into - // logical units. - // There are approx. 25.1 mm to the inch. There are ppi - // device units to the inch. Therefore 1 mm corresponds to - // ppi/25.1 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 - float logUnitsFactor = (float)(ppiPrinterX/(scale*25.1)); - float logUnits = (float)(50*logUnitsFactor); - dc->SetPen(* wxBLACK_PEN); - dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250); - dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits)); - - dc->SetFont(* wxGetApp().m_testFont); - dc->SetBackgroundMode(wxTRANSPARENT); - - dc->DrawText("Some test text", 200, 200 ); - - // TESTING - - int leftMargin = 20; - int rightMargin = 20; - int topMargin = 20; - int bottomMargin = 20; - - int pageWidthMM, pageHeightMM; - GetPageSizeMM(&pageWidthMM, &pageHeightMM); - - float leftMarginLogical = (float)(logUnitsFactor*leftMargin); - float topMarginLogical = (float)(logUnitsFactor*topMargin); - float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin)); - float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin)); - - dc->SetPen(wxRED_PEN); - dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical, - (long)rightMarginLogical, (long)topMarginLogical); - dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical, - (long)rightMarginLogical, (long)bottomMarginLogical); - - WritePageHeader(this, dc, "A header", logUnitsFactor); + // 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. + 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) + 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. + 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 + // unscale to pass logical units to DrawLine. + + // Draw 50 mm by 50 mm L shape + float logUnitsFactor = (float)(ppiPrinterX/(scale*25.4)); + float logUnits = (float)(50*logUnitsFactor); + dc->SetPen(* wxBLACK_PEN); + dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250); + dc->DrawLine(50, 250, 50, (long)(250.0 + logUnits)); + + dc->SetBackgroundMode(wxTRANSPARENT); + 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; + long x = 200, y= 250; + wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL); + + dc->SetFont(fnt); + + for (int i = 0; i < 7; i++) + { + wxString word = words[i]; + word.Remove( word.Len()-1, 1 ); + dc->GetTextExtent(word, &w, &h); + dc->DrawRectangle(x, y, w, h); + dc->GetTextExtent(words[i], &w, &h); + dc->DrawText(words[i], x, y); + x += w; + } + + } + + dc->SetFont(wxGetApp().m_testFont); + + dc->DrawText(_T("Some test text"), 200, 300 ); + + // TESTING + + int leftMargin = 20; + int rightMargin = 20; + int topMargin = 20; + int bottomMargin = 20; + + int pageWidthMM, pageHeightMM; + GetPageSizeMM(&pageWidthMM, &pageHeightMM); + + float leftMarginLogical = (float)(logUnitsFactor*leftMargin); + float topMarginLogical = (float)(logUnitsFactor*topMargin); + float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin)); + float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin)); + + dc->SetPen(* wxRED_PEN); + dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical, + (long)rightMarginLogical, (long)topMarginLogical); + dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical, + (long)rightMarginLogical, (long)bottomMarginLogical); + + WritePageHeader(this, dc, _T("A header"), logUnitsFactor); } // Writes a header on a page. Margin units are in millimetres. -bool WritePageHeader(wxPrintout *printout, wxDC *dc, char *text, float mmToLogical) +bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical) { /* - static wxFont *headerFont = (wxFont *) NULL; - if (!headerFont) - { - headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD); - } - dc->SetFont(headerFont); -*/ - - int pageWidthMM, pageHeightMM; - - printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM); - - int leftMargin = 10; - int topMargin = 10; - int rightMargin = 10; - - float leftMarginLogical = (float)(mmToLogical*leftMargin); - float topMarginLogical = (float)(mmToLogical*topMargin); - float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin)); - - long 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 ); - - return TRUE; +static wxFont *headerFont = (wxFont *) NULL; +if (!headerFont) +{ +headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD); +} +dc->SetFont(headerFont); + */ + + int pageWidthMM, pageHeightMM; + + printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM); + wxUnusedVar(pageHeightMM); + + int leftMargin = 10; + int topMargin = 10; + int rightMargin = 10; + + float leftMarginLogical = (float)(mmToLogical*leftMargin); + float topMarginLogical = (float)(mmToLogical*topMargin); + float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin)); + + long 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 ); + + return true; }