783 lines
24 KiB
C++
783 lines
24 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: samples/printing.cpp
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// Purpose: Printing demo for wxWidgets
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// Author: Julian Smart
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// Modified by: Francesco Montorsi
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// Created: 1995
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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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#include "wx/log.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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#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 wxUSE_POSTSCRIPT
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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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#if wxUSE_GRAPHICS_CONTEXT
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#include "wx/graphics.h"
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#endif
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#ifdef __WXMAC__
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#include "wx/osx/printdlg.h"
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#endif
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#include "printing.h"
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#ifndef wxHAS_IMAGES_IN_RESOURCES
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#include "../sample.xpm"
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#endif
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// Global print data, to remember settings during the session
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wxPrintData *g_printData = NULL;
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// Global page setup data
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wxPageSetupDialogData* g_pageSetupData = NULL;
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(MyApp)
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bool MyApp::OnInit(void)
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{
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if ( !wxApp::OnInit() )
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return false;
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wxInitAllImageHandlers();
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// init global objects
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// -------------------
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g_printData = new wxPrintData;
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// You could set an initial paper size here
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#if 0
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g_printData->SetPaperId(wxPAPER_LETTER); // for Americans
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g_printData->SetPaperId(wxPAPER_A4); // for everyone else
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#endif
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g_pageSetupData = new wxPageSetupDialogData;
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// copy over initial paper size from print record
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(*g_pageSetupData) = *g_printData;
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// Set some initial page margins in mm.
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g_pageSetupData->SetMarginTopLeft(wxPoint(15, 15));
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g_pageSetupData->SetMarginBottomRight(wxPoint(15, 15));
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// init local GUI objects
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// ----------------------
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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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m_angle = 30;
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m_testFont.Create(10, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
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// Create the main frame window
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// ----------------------------
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MyFrame* frame = new MyFrame((wxFrame *) NULL, wxT("wxWidgets Printing Demo"),
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wxPoint(0, 0), wxSize(400, 400));
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frame->Centre(wxBOTH);
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frame->Show();
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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 wxApp::OnExit();
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}
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void MyApp::Draw(wxDC&dc)
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{
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// This routine just draws a bunch of random stuff on the screen so that we
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// can check that different types of object are being drawn consistently
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// between the screen image, the print preview image (at various zoom
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// levels), and the printed page.
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dc.SetBackground(*wxWHITE_BRUSH);
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// dc.Clear();
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dc.SetFont(m_testFont);
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// dc.SetBackgroundMode(wxTRANSPARENT);
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dc.SetPen(*wxBLACK_PEN);
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dc.SetBrush(*wxLIGHT_GREY_BRUSH);
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dc.DrawRectangle(0, 0, 230, 350);
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dc.DrawLine(0, 0, 229, 349);
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dc.DrawLine(229, 0, 0, 349);
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dc.SetBrush(*wxTRANSPARENT_BRUSH);
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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, wxPENSTYLE_DOT_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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const 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.DrawArc( 20, 330, 40, 300, 20, 300 );
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{
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wxDCBrushChanger changeBrush(dc, *wxTRANSPARENT_BRUSH);
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dc.DrawArc( 60, 330, 80, 300, 60, 300 );
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}
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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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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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wxIcon my_icon = wxICON(sample);
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dc.DrawIcon( my_icon, 100, 100);
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if (m_bitmap.IsOk())
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dc.DrawBitmap( m_bitmap, 10, 10 );
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#if wxUSE_GRAPHICS_CONTEXT
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wxGraphicsContext *gc = NULL;
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wxPrinterDC *printer_dc = wxDynamicCast( &dc, wxPrinterDC );
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if (printer_dc)
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gc = wxGraphicsContext::Create( *printer_dc );
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wxWindowDC *window_dc = wxDynamicCast( &dc, wxWindowDC );
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if (window_dc)
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gc = wxGraphicsContext::Create( *window_dc );
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#ifdef __WXMSW__
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wxEnhMetaFileDC *emf_dc = wxDynamicCast( &dc, wxEnhMetaFileDC );
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if (emf_dc)
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gc = wxGraphicsContext::Create( *emf_dc );
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#endif
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if (gc)
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{
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// make a path that contains a circle and some lines, centered at 100,100
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gc->SetPen( *wxRED_PEN );
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wxGraphicsPath path = gc->CreatePath();
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path.AddCircle( 50.0, 50.0, 50.0 );
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path.MoveToPoint(0.0, 50.0);
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path.AddLineToPoint(100.0, 50.0);
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path.MoveToPoint(50.0, 0.0);
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path.AddLineToPoint(50.0, 100.0 );
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path.CloseSubpath();
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path.AddRectangle(25.0, 25.0, 50.0, 50.0);
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gc->StrokePath(path);
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// draw some text
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wxString text("Text by wxGraphicsContext");
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gc->SetFont( m_testFont, *wxBLACK );
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gc->DrawText(text, 25.0, 60.0);
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// draw rectangle around the text
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double w, h, d, el;
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gc->GetTextExtent(text, &w, &h, &d, &el);
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gc->SetPen( *wxBLACK_PEN );
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gc->DrawRectangle(25.0, 60.0, w, h);
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delete gc;
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}
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#endif
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}
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// ----------------------------------------------------------------------------
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// MyFrame
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(wxID_EXIT, MyFrame::OnExit)
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EVT_MENU(wxID_PRINT, MyFrame::OnPrint)
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EVT_MENU(wxID_PREVIEW, MyFrame::OnPrintPreview)
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EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
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EVT_MENU(wxID_ABOUT, MyFrame::OnPrintAbout)
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#if wxUSE_POSTSCRIPT
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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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#ifdef __WXMAC__
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EVT_MENU(WXPRINT_PAGE_MARGINS, MyFrame::OnPageMargins)
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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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EVT_MENU_RANGE(WXPRINT_FRAME_MODAL_APP,
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WXPRINT_FRAME_MODAL_NON,
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MyFrame::OnPreviewFrameModalityKind)
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wxEND_EVENT_TABLE()
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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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m_canvas = NULL;
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m_previewModality = wxPreviewFrame_AppModal;
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#if wxUSE_STATUSBAR
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// Give us a status line
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CreateStatusBar(2);
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SetStatusText(wxT("Printing demo"));
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#endif // wxUSE_STATUSBAR
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// Load icon and bitmap
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SetIcon( wxICON( sample) );
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(wxID_PRINT, wxT("&Print..."), wxT("Print"));
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file_menu->Append(WXPRINT_PAGE_SETUP, wxT("Page Set&up..."), wxT("Page setup"));
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#ifdef __WXMAC__
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file_menu->Append(WXPRINT_PAGE_MARGINS, wxT("Page Margins..."), wxT("Page margins"));
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#endif
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file_menu->Append(wxID_PREVIEW, wxT("Print Pre&view"), wxT("Preview"));
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wxMenu * const menuModalKind = new wxMenu;
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menuModalKind->AppendRadioItem(WXPRINT_FRAME_MODAL_APP, "&App modal");
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menuModalKind->AppendRadioItem(WXPRINT_FRAME_MODAL_WIN, "&Window modal");
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menuModalKind->AppendRadioItem(WXPRINT_FRAME_MODAL_NON, "&Not modal");
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file_menu->AppendSubMenu(menuModalKind, "Preview frame &modal kind");
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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', wxID_PREVIEW);
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wxAcceleratorTable accel(1, entries);
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SetAcceleratorTable(accel);
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#endif
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#if wxUSE_POSTSCRIPT
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file_menu->AppendSeparator();
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file_menu->Append(WXPRINT_PRINT_PS, wxT("Print PostScript..."), wxT("Print (PostScript)"));
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file_menu->Append(WXPRINT_PAGE_SETUP_PS, wxT("Page Setup PostScript..."), wxT("Page setup (PostScript)"));
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file_menu->Append(WXPRINT_PREVIEW_PS, wxT("Print Preview PostScript"), wxT("Preview (PostScript)"));
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#endif
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file_menu->AppendSeparator();
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file_menu->Append(WXPRINT_ANGLEUP, wxT("Angle up\tAlt-U"), wxT("Raise rotated text angle"));
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file_menu->Append(WXPRINT_ANGLEDOWN, wxT("Angle down\tAlt-D"), wxT("Lower rotated text angle"));
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file_menu->AppendSeparator();
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file_menu->Append(wxID_EXIT, wxT("E&xit"), wxT("Exit program"));
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wxMenu *help_menu = new wxMenu;
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help_menu->Append(wxID_ABOUT, wxT("&About"), wxT("About this demo"));
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, wxT("&File"));
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menu_bar->Append(help_menu, wxT("&Help"));
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// Associate the menu bar with the frame
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SetMenuBar(menu_bar);
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// create the canvas
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// -----------------
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m_canvas = new MyCanvas(this, wxPoint(0, 0), wxSize(100, 100),
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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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m_canvas->SetScrollbars(20, 20, 50, 50);
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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(this, wxT("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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{
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wxLogError(wxT("There was a problem printing. Perhaps your current printer is not set correctly?"));
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}
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else
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{
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wxLogMessage(wxT("You canceled printing"));
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}
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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 =
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new wxPrintPreview(new MyPrintout(this), new MyPrintout(this), &printDialogData);
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if (!preview->IsOk())
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{
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delete preview;
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wxLogError(wxT("There was a problem previewing.\nPerhaps your current printer is not set correctly?"));
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return;
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}
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wxPreviewFrame *frame =
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new wxPreviewFrame(preview, this, wxT("Demo Print Preview"), wxPoint(100, 100), wxSize(600, 650));
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frame->Centre(wxBOTH);
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frame->InitializeWithModality(m_previewModality);
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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.GetPageSetupDialogData().GetPrintData();
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(*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData();
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}
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#if wxUSE_POSTSCRIPT
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void MyFrame::OnPrintPS(wxCommandEvent& WXUNUSED(event))
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{
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wxPrintDialogData printDialogData(* g_printData);
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wxPostScriptPrinter printer(&printDialogData);
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MyPrintout printout(this, wxT("My printout"));
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printer.Print(this, &printout, true/*prompt*/);
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(*g_printData) = printer.GetPrintDialogData().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(this), new MyPrintout(this), &printDialogData);
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wxPreviewFrame *frame =
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new wxPreviewFrame(preview, this, wxT("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.GetPageSetupDialogData().GetPrintData();
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(*g_pageSetupData) = pageSetupDialog.GetPageSetupDialogData();
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}
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#endif
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#ifdef __WXMAC__
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void MyFrame::OnPageMargins(wxCommandEvent& WXUNUSED(event))
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{
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(*g_pageSetupData) = *g_printData;
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wxMacPageMarginsDialog pageMarginsDialog(this, g_pageSetupData);
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pageMarginsDialog.ShowModal();
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(*g_printData) = pageMarginsDialog.GetPageSetupDialogData().GetPrintData();
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(*g_pageSetupData) = pageMarginsDialog.GetPageSetupDialogData();
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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(wxT("wxWidgets printing demo\nAuthor: Julian Smart"),
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wxT("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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wxGetApp().IncrementAngle();
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m_canvas->Refresh();
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}
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void MyFrame::OnAngleDown(wxCommandEvent& WXUNUSED(event))
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{
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wxGetApp().DecrementAngle();
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m_canvas->Refresh();
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}
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void MyFrame::OnPreviewFrameModalityKind(wxCommandEvent& event)
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{
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m_previewModality = static_cast<wxPreviewFrameModalityKind>(
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wxPreviewFrame_AppModal +
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(event.GetId() - WXPRINT_FRAME_MODAL_APP));
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}
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// ----------------------------------------------------------------------------
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// MyCanvas
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
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// EVT_PAINT(MyCanvas::OnPaint)
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wxEND_EVENT_TABLE()
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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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//void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(evt))
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void MyCanvas::OnDraw(wxDC& dc)
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{
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//wxPaintDC dc(this);
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wxGetApp().Draw(dc);
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}
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// ----------------------------------------------------------------------------
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// MyPrintout
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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();
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else if (page == 2)
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DrawPageTwo();
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// Draw page numbers at top left corner of printable area, sized so that
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// screen size of text matches paper size.
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MapScreenSizeToPage();
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dc->DrawText(wxString::Format(wxT("PAGE %d"), page), 0, 0);
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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()
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{
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// You might use THIS code if you were scaling graphics of known size to fit
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// on the page. The commented-out code illustrates different ways of scaling
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// the graphics.
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// We know the graphic is 230x350. If we didn't know this, we'd need to
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// calculate it.
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wxCoord maxX = 230;
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wxCoord maxY = 350;
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// This sets the user scale and origin of the DC so that the image fits
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// within the paper rectangle (but the edges could be cut off by printers
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// that can't print to the edges of the paper -- which is most of them. Use
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// this if your image already has its own margins.
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// FitThisSizeToPaper(wxSize(maxX, maxY));
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// wxRect fitRect = GetLogicalPaperRect();
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// This sets the user scale and origin of the DC so that the image fits
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// within the page rectangle, which is the printable area on Mac and MSW
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// and is the entire page on other platforms.
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// FitThisSizeToPage(wxSize(maxX, maxY));
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// wxRect fitRect = GetLogicalPageRect();
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// This sets the user scale and origin of the DC so that the image fits
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// within the page margins as specified by g_PageSetupData, which you can
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// change (on some platforms, at least) in the Page Setup dialog. Note that
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// on Mac, the native Page Setup dialog doesn't let you change the margins
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// of a wxPageSetupDialogData object, so you'll have to write your own dialog or
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// use the Mac-only wxMacPageMarginsDialog, as we do in this program.
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FitThisSizeToPageMargins(wxSize(maxX, maxY), *g_pageSetupData);
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wxRect fitRect = GetLogicalPageMarginsRect(*g_pageSetupData);
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// This sets the user scale and origin of the DC so that the image appears
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// on the paper at the same size that it appears on screen (i.e., 10-point
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// type on screen is 10-point on the printed page) and is positioned in the
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// top left corner of the page rectangle (just as the screen image appears
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// in the top left corner of the window).
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// MapScreenSizeToPage();
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// wxRect fitRect = GetLogicalPageRect();
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// You could also map the screen image to the entire paper at the same size
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// as it appears on screen.
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// MapScreenSizeToPaper();
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// wxRect fitRect = GetLogicalPaperRect();
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// You might also wish to do you own scaling in order to draw objects at
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// full native device resolution. In this case, you should do the following.
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// Note that you can use the GetLogicalXXXRect() commands to obtain the
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// appropriate rect to scale to.
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// MapScreenSizeToDevice();
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// wxRect fitRect = GetLogicalPageRect();
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// Each of the preceding Fit or Map routines positions the origin so that
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// the drawn image is positioned at the top left corner of the reference
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// rectangle. You can easily center or right- or bottom-justify the image as
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// follows.
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// This offsets the image so that it is centered within the reference
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// rectangle defined above.
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wxCoord xoff = (fitRect.width - maxX) / 2;
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wxCoord yoff = (fitRect.height - maxY) / 2;
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OffsetLogicalOrigin(xoff, yoff);
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// This offsets the image so that it is positioned at the bottom right of
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// the reference rectangle defined above.
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// wxCoord xoff = (fitRect.width - maxX);
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// wxCoord yoff = (fitRect.height - maxY);
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// OffsetLogicalOrigin(xoff, yoff);
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wxGetApp().Draw(*GetDC());
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}
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void MyPrintout::DrawPageTwo()
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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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// Compare this to DrawPageOne(), which uses the really convenient routines
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// from wxPrintout to fit the screen image onto the printed page. This page
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// illustrates how to do all the scaling calculations yourself, if you're so
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// inclined.
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wxDC *dc = GetDC();
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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 screen
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// scaling. The text point size _should_ be the right size but in fact is
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// too small for some reason. This is a detail that will need to be
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// addressed at some point but can be fudged for the 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 (e.g. because
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// 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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// If printer pageWidth == current DC width, then this doesn't change. But w
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// 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
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// units. There are approx. 25.4 mm to the inch. There are ppi device units
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// to the inch. Therefore 1 mm corresponds to ppi/25.4 device units. We also
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// divide by the screen-to-printer scaling factor, because we need to
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// 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));
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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));
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dc->SetBackgroundMode(wxTRANSPARENT);
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dc->SetBrush(*wxTRANSPARENT_BRUSH);
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{ // GetTextExtent demo:
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wxString words[7] = { wxT("This "), wxT("is "), wxT("GetTextExtent "),
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wxT("testing "), wxT("string. "), wxT("Enjoy "), wxT("it!") };
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wxCoord w, h;
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long x = 200, y= 250;
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wxFont fnt(15, wxSWISS, wxNORMAL, wxNORMAL);
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dc->SetFont(fnt);
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for (int i = 0; i < 7; i++)
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{
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wxString word = words[i];
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word.Remove( word.Len()-1, 1 );
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dc->GetTextExtent(word, &w, &h);
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dc->DrawRectangle(x, y, w, h);
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dc->GetTextExtent(words[i], &w, &h);
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dc->DrawText(words[i], x, y);
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x += w;
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}
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}
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dc->SetFont(wxGetApp().GetTestFont());
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dc->DrawText(wxT("Some test text"), 200, 300 );
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// TESTING
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int leftMargin = 20;
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int rightMargin = 20;
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int topMargin = 20;
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int bottomMargin = 20;
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int pageWidthMM, pageHeightMM;
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GetPageSizeMM(&pageWidthMM, &pageHeightMM);
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float leftMarginLogical = (float)(logUnitsFactor*leftMargin);
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float topMarginLogical = (float)(logUnitsFactor*topMargin);
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float bottomMarginLogical = (float)(logUnitsFactor*(pageHeightMM - bottomMargin));
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float rightMarginLogical = (float)(logUnitsFactor*(pageWidthMM - rightMargin));
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dc->SetPen(* wxRED_PEN);
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dc->DrawLine( (long)leftMarginLogical, (long)topMarginLogical,
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(long)rightMarginLogical, (long)topMarginLogical);
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dc->DrawLine( (long)leftMarginLogical, (long)bottomMarginLogical,
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(long)rightMarginLogical, (long)bottomMarginLogical);
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WritePageHeader(this, dc, wxT("A header"), logUnitsFactor);
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}
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// Writes a header on a page. Margin units are in millimetres.
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bool MyPrintout::WritePageHeader(wxPrintout *printout, wxDC *dc, const wxString&text, float mmToLogical)
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{
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#if 0
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static wxFont *headerFont = (wxFont *) NULL;
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if (!headerFont)
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{
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headerFont = wxTheFontList->FindOrCreateFont(16, wxSWISS, wxNORMAL, wxBOLD);
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}
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dc->SetFont(headerFont);
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#endif
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int pageWidthMM, pageHeightMM;
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printout->GetPageSizeMM(&pageWidthMM, &pageHeightMM);
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wxUnusedVar(pageHeightMM);
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int leftMargin = 10;
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int topMargin = 10;
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int rightMargin = 10;
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float leftMarginLogical = (float)(mmToLogical*leftMargin);
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float topMarginLogical = (float)(mmToLogical*topMargin);
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float rightMarginLogical = (float)(mmToLogical*(pageWidthMM - rightMargin));
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wxCoord xExtent, yExtent;
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dc->GetTextExtent(text, &xExtent, &yExtent);
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float xPos = (float)(((((pageWidthMM - leftMargin - rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0));
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dc->DrawText(text, (long)xPos, (long)topMarginLogical);
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dc->SetPen(* wxBLACK_PEN);
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dc->DrawLine( (long)leftMarginLogical, (long)(topMarginLogical+yExtent),
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(long)rightMarginLogical, (long)topMarginLogical+yExtent );
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return true;
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}
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