fbfb8bcc3f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35665 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
616 lines
18 KiB
C++
616 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: printing.cpp
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// Purpose: Printing demo for wxWidgets
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// Author: Julian Smart
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// Modified by:
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// Created: 1995
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#if !wxUSE_PRINTING_ARCHITECTURE
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#error "You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h, and recompile the library."
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#endif
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// Set this to 1 if you want to test PostScript printing under MSW.
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// However, you'll also need to edit src/msw/makefile.nt.
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#define wxTEST_POSTSCRIPT_IN_MSW 0
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#include <ctype.h>
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#include "wx/metafile.h"
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#include "wx/print.h"
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#include "wx/printdlg.h"
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#include "wx/image.h"
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#include "wx/accel.h"
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#if wxTEST_POSTSCRIPT_IN_MSW
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#include "wx/generic/printps.h"
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#include "wx/generic/prntdlgg.h"
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#endif
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#include "printing.h"
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#ifndef __WXMSW__
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#include "mondrian.xpm"
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#endif
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#if wxUSE_LIBGNOMEPRINT
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#include "wx/html/forcelnk.h"
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FORCE_LINK(gnome_print)
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#endif
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// Declare a frame
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MyFrame *frame = (MyFrame *) NULL;
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// int orientation = wxPORTRAIT;
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// Global print data, to remember settings during the session
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wxPrintData *g_printData = (wxPrintData*) NULL ;
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// Global page setup data
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wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL;
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// Main proc
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IMPLEMENT_APP(MyApp)
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// Writes a header on a page. Margin units are in millimetres.
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bool WritePageHeader(wxPrintout *printout, wxDC *dc, const wxChar *text, float mmToLogical);
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// The `main program' equivalent, creating the windows and returning the
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// main frame
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bool MyApp::OnInit(void)
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{
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wxInitAllImageHandlers();
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m_testFont.Create(10, wxSWISS, wxNORMAL, wxNORMAL);
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g_printData = new wxPrintData;
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g_pageSetupData = new wxPageSetupDialogData;
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// Create the main frame window
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frame = new MyFrame((wxFrame *) NULL, _T("wxWidgets Printing Demo"), wxPoint(0, 0), wxSize(400, 400));
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#if wxUSE_STATUSBAR
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// Give it a status line
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frame->CreateStatusBar(2);
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#endif // wxUSE_STATUSBAR
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// Load icon and bitmap
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frame->SetIcon( wxICON( mondrian) );
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(WXPRINT_PRINT, _T("&Print..."), _T("Print"));
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file_menu->Append(WXPRINT_PAGE_SETUP, _T("Page Set&up..."), _T("Page setup"));
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file_menu->Append(WXPRINT_PREVIEW, _T("Print Pre&view"), _T("Preview"));
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#if wxUSE_ACCEL
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// Accelerators
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wxAcceleratorEntry entries[1];
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entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW);
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wxAcceleratorTable accel(1, entries);
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frame->SetAcceleratorTable(accel);
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#endif
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#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
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file_menu->AppendSeparator();
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file_menu->Append(WXPRINT_PRINT_PS, _T("Print PostScript..."), _T("Print (PostScript)"));
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file_menu->Append(WXPRINT_PAGE_SETUP_PS, _T("Page Setup PostScript..."), _T("Page setup (PostScript)"));
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file_menu->Append(WXPRINT_PREVIEW_PS, _T("Print Preview PostScript"), _T("Preview (PostScript)"));
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#endif
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file_menu->AppendSeparator();
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file_menu->Append(WXPRINT_ANGLEUP, _T("Angle up\tAlt-U"), _T("Raise rotated text angle"));
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file_menu->Append(WXPRINT_ANGLEDOWN, _T("Angle down\tAlt-D"), _T("Lower rotated text angle"));
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file_menu->AppendSeparator();
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file_menu->Append(WXPRINT_QUIT, _T("E&xit"), _T("Exit program"));
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wxMenu *help_menu = new wxMenu;
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help_menu->Append(WXPRINT_ABOUT, _T("&About"), _T("About this demo"));
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, _T("&File"));
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menu_bar->Append(help_menu, _T("&Help"));
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// Associate the menu bar with the frame
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frame->SetMenuBar(menu_bar);
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MyCanvas *canvas = new MyCanvas(frame, wxPoint(0, 0), wxSize(100, 100), wxRETAINED|wxHSCROLL|wxVSCROLL);
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// Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
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canvas->SetScrollbars(20, 20, 50, 50);
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frame->canvas = canvas;
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frame->Centre(wxBOTH);
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frame->Show();
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#if wxUSE_STATUSBAR
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frame->SetStatusText(_T("Printing demo"));
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#endif // wxUSE_STATUSBAR
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SetTopWindow(frame);
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return true;
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}
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int MyApp::OnExit()
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{
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delete g_printData;
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delete g_pageSetupData;
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return 1;
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}
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit)
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EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint)
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EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview)
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EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
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EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout)
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#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
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EVT_MENU(WXPRINT_PRINT_PS, MyFrame::OnPrintPS)
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EVT_MENU(WXPRINT_PREVIEW_PS, MyFrame::OnPrintPreviewPS)
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EVT_MENU(WXPRINT_PAGE_SETUP_PS, MyFrame::OnPageSetupPS)
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#endif
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EVT_MENU(WXPRINT_ANGLEUP, MyFrame::OnAngleUp)
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EVT_MENU(WXPRINT_ANGLEDOWN, MyFrame::OnAngleDown)
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END_EVENT_TABLE()
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// Define my frame constructor
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MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
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wxFrame(frame, wxID_ANY, title, pos, size)
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{
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canvas = NULL;
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m_angle = 30;
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#if 0
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wxImage image( wxT("test.jpg") );
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image.SetAlpha();
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int i,j;
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for (i = 0; i < image.GetWidth(); i++)
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for (j = 0; j < image.GetHeight(); j++)
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image.SetAlpha( i, j, 50 );
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m_bitmap = image;
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#endif
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}
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void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
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{
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Close(true /*force closing*/);
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}
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void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
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{
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wxPrintDialogData printDialogData(* g_printData);
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wxPrinter printer(& printDialogData);
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MyPrintout printout(_T("My printout"));
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if (!printer.Print(this, &printout, true /*prompt*/))
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{
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if (wxPrinter::GetLastError() == wxPRINTER_ERROR)
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wxMessageBox(_T("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _T("Printing"), wxOK);
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else
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wxMessageBox(_T("You canceled printing"), _T("Printing"), wxOK);
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}
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else
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{
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(*g_printData) = printer.GetPrintDialogData().GetPrintData();
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}
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}
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void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
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{
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// Pass two printout objects: for preview, and possible printing.
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wxPrintDialogData printDialogData(* g_printData);
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wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
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if (!preview->Ok())
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{
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delete preview;
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wxMessageBox(_T("There was a problem previewing.\nPerhaps your current printer is not set correctly?"), _T("Previewing"), wxOK);
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return;
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}
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wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
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frame->Centre(wxBOTH);
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frame->Initialize();
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frame->Show();
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}
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void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
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{
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(*g_pageSetupData) = *g_printData;
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wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
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pageSetupDialog.ShowModal();
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(*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
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(*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
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}
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#if defined(__WXMSW__) && wxTEST_POSTSCRIPT_IN_MSW
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void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
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{
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wxPostScriptPrinter printer(g_printData);
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MyPrintout printout(_T("My printout"));
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printer.Print(this, &printout, true/*prompt*/);
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(*g_printData) = printer.GetPrintData();
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}
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void MyFrame::OnPrintPreviewPS(wxCommandEvent& WXUNUSED(event))
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{
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// Pass two printout objects: for preview, and possible printing.
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wxPrintDialogData printDialogData(* g_printData);
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wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printDialogData);
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wxPreviewFrame *frame = new wxPreviewFrame(preview, this, _T("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
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frame->Centre(wxBOTH);
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frame->Initialize();
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frame->Show();
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}
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void MyFrame::OnPageSetupPS(wxCommandEvent& WXUNUSED(event))
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{
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(*g_pageSetupData) = * g_printData;
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wxGenericPageSetupDialog pageSetupDialog(this, g_pageSetupData);
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pageSetupDialog.ShowModal();
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(*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
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(*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
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}
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#endif
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void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event))
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{
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(void)wxMessageBox(_T("wxWidgets printing demo\nAuthor: Julian Smart"),
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_T("About wxWidgets printing demo"), wxOK|wxCENTRE);
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}
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void MyFrame::OnAngleUp(wxCommandEvent& WXUNUSED(event))
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{
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m_angle += 5;
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canvas->Refresh();
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}
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void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event))
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{
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m_angle -= 5;
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canvas->Refresh();
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}
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void MyFrame::Draw(wxDC& dc)
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{
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dc.SetBackground(*wxWHITE_BRUSH);
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dc.Clear();
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dc.SetFont(wxGetApp().m_testFont);
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dc.SetBackgroundMode(wxTRANSPARENT);
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dc.SetBrush(*wxCYAN_BRUSH);
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dc.SetPen(*wxRED_PEN);
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dc.DrawRoundedRectangle(0, 20, 200, 80, 20);
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dc.DrawText( wxT("Rectangle 200 by 80"), 40, 40);
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dc.SetPen( wxPen(*wxBLACK,0,wxDOT_DASH) );
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dc.DrawEllipse(50, 140, 100, 50);
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dc.SetPen(*wxRED_PEN);
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dc.DrawText( wxT("Test message: this is in 10 point text"), 10, 180);
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#if wxUSE_UNICODE
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char *test = "Hebrew שלום -- Japanese (日本語)";
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wxString tmp = wxConvUTF8.cMB2WC( test );
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dc.DrawText( tmp, 10, 200 );
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#endif
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wxPoint points[5];
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points[0].x = 0;
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points[0].y = 0;
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points[1].x = 20;
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points[1].y = 0;
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points[2].x = 20;
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points[2].y = 20;
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points[3].x = 10;
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points[3].y = 20;
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points[4].x = 10;
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points[4].y = -20;
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dc.DrawPolygon( 5, points, 20, 250, wxODDEVEN_RULE );
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dc.DrawPolygon( 5, points, 50, 250, wxWINDING_RULE );
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dc.DrawEllipticArc( 80, 250, 60, 30, 0.0, 270.0 );
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points[0].x = 150;
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points[0].y = 250;
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points[1].x = 180;
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points[1].y = 250;
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points[2].x = 180;
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points[2].y = 220;
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points[3].x = 200;
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points[3].y = 220;
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dc.DrawSpline( 4, points );
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dc.DrawArc( 20,10, 10,10, 25,40 );
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wxString str;
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int i = 0;
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str.Printf( wxT("---- Text at angle %d ----"), i );
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dc.DrawRotatedText( str, 100, 300, i );
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i = m_angle;
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str.Printf( wxT("---- Text at angle %d ----"), i );
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dc.DrawRotatedText( str, 100, 300, i );
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dc.SetPen(* wxBLACK_PEN);
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dc.DrawLine(0, 0, 200, 200);
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dc.DrawLine(200, 0, 0, 200);
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wxIcon my_icon = wxICON(mondrian) ;
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dc.DrawIcon( my_icon, 100, 100);
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if (m_bitmap.Ok())
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dc.DrawBitmap( m_bitmap, 10, 10 );
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}
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void MyFrame::OnSize(wxSizeEvent& event )
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{
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wxFrame::OnSize(event);
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}
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BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
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EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
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END_EVENT_TABLE()
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// Define a constructor for my canvas
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MyCanvas::MyCanvas(wxFrame *frame, const wxPoint& pos, const wxSize& size, long style):
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wxScrolledWindow(frame, wxID_ANY, pos, size, style)
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{
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SetBackgroundColour(* wxWHITE);
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}
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// Define the repainting behaviour
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void MyCanvas::OnDraw(wxDC& dc)
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{
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frame->Draw(dc);
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}
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void MyCanvas::OnEvent(wxMouseEvent& WXUNUSED(event))
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{
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}
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bool MyPrintout::OnPrintPage(int page)
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{
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wxDC *dc = GetDC();
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if (dc)
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{
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if (page == 1)
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DrawPageOne(dc);
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else if (page == 2)
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DrawPageTwo(dc);
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dc->SetDeviceOrigin(0, 0);
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dc->SetUserScale(1.0, 1.0);
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wxChar buf[200];
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wxSprintf(buf, wxT("PAGE %d"), page);
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dc->DrawText(buf, 10, 10);
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return true;
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}
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else
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return false;
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}
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bool MyPrintout::OnBeginDocument(int startPage, int endPage)
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{
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if (!wxPrintout::OnBeginDocument(startPage, endPage))
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return false;
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return true;
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}
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void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
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{
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*minPage = 1;
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*maxPage = 2;
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*selPageFrom = 1;
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*selPageTo = 2;
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}
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bool MyPrintout::HasPage(int pageNum)
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{
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return (pageNum == 1 || pageNum == 2);
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}
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void MyPrintout::DrawPageOne(wxDC *dc)
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{
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// You might use THIS code if you were scaling
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// graphics of known size to fit on the page.
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// We know the graphic is 200x200. If we didn't know this,
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// we'd need to calculate it.
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float maxX = 200;
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float maxY = 200;
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// Let's have at least 50 device units margin
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float marginX = 50;
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float marginY = 50;
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// Add the margin to the graphic size
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maxX += (2*marginX);
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maxY += (2*marginY);
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// Get the size of the DC in pixels
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int w, h;
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dc->GetSize(&w, &h);
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// Calculate a suitable scaling factor
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float scaleX=(float)(w/maxX);
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float scaleY=(float)(h/maxY);
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// Use x or y scaling factor, whichever fits on the DC
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float actualScale = wxMin(scaleX,scaleY);
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// Calculate the position on the DC for centring the graphic
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float posX = (float)((w - (200*actualScale))/2.0);
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float posY = (float)((h - (200*actualScale))/2.0);
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// Set the scale and origin
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dc->SetUserScale(actualScale, actualScale);
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dc->SetDeviceOrigin( (long)posX, (long)posY );
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frame->Draw(*dc);
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}
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void MyPrintout::DrawPageTwo(wxDC *dc)
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{
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// You might use THIS code to set the printer DC to ROUGHLY reflect
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// the screen text size. This page also draws lines of actual length
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// 5cm on the page.
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// Get the logical pixels per inch of screen and printer
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int ppiScreenX, ppiScreenY;
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GetPPIScreen(&ppiScreenX, &ppiScreenY);
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int ppiPrinterX, ppiPrinterY;
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GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
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// This scales the DC so that the printout roughly represents the
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// the screen scaling. The text point size _should_ be the right size
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// but in fact is too small for some reason. This is a detail that will
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// need to be addressed at some point but can be fudged for the
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// moment.
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float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
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// Now we have to check in case our real page size is reduced
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// (e.g. because we're drawing to a print preview memory DC)
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int pageWidth, pageHeight;
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int w, h;
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dc->GetSize(&w, &h);
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GetPageSizePixels(&pageWidth, &pageHeight);
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|
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// If printer pageWidth == current DC width, then this doesn't
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// change. But w might be the preview bitmap width, so scale down.
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|
float overallScale = scale * (float)(w/(float)pageWidth);
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|
dc->SetUserScale(overallScale, overallScale);
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|
|
|
// 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.
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|
|
|
// Draw 50 mm by 50 mm L shape
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|
float logUnitsFactor = (float)(ppiPrinterX/(scale*25.4));
|
|
float logUnits = (float)(50*logUnitsFactor);
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|
dc->SetPen(* wxBLACK_PEN);
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|
dc->DrawLine(50, 250, (long)(50.0 + logUnits), 250);
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|
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, 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);
|
|
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;
|
|
}
|