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added HTML printing

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4030 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
1999-10-17 13:03:40 +00:00
parent 30760ce7e5
commit 3ce369e687
25 changed files with 1568 additions and 538 deletions
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432
samples/html/printing/printing.cpp
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@@ -1,312 +1,244 @@
/*
* File: printing.cc
* Purpose: Printing demo for wxWindows class library
* Author: Julian Smart
* modified by Vaclav Slavik (wxHTML stuffs)
* Created: 1995
* Updated:
* Copyright: (c) 1995, AIAI, University of Edinburgh
*/
/////////////////////////////////////////////////////////////////////////////
// Name: printimg.cpp
// Purpose: wxHtmlEasyPrinting testing example
/////////////////////////////////////////////////////////////////////////////
/* static const char sccsid[] = "%W% %G%"; */
#ifdef __GNUG__
#pragma implementation
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#include <wx/wxprec.h>
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include <wx/wx.h>
#endif
#if !wxUSE_PRINTING_ARCHITECTURE
#error You must set wxUSE_PRINTING_ARCHITECTURE to 1 in setup.h to compile this demo.
#endif
#include <wx/image.h>
#include <wx/html/htmlwin.h>
// Set this to 1 if you want to test PostScript printing under MSW.
// However, you'll also need to edit src/msw/makefile.nt.
//!!! DON'T DO THAT! This is wxHTML sample now
#define wxTEST_POSTSCRIPT_IN_MSW 0
#include <ctype.h>
#include "wx/metafile.h"
#include "wx/print.h"
#include "wx/printdlg.h"
#include "wx/accel.h"
#if wxTEST_POSTSCRIPT_IN_MSW
#include "wx/generic/printps.h"
#include "wx/generic/prntdlgg.h"
#endif
#include <wx/wxhtml.h>
#include <wx/wfstream.h>
#include "printing.h"
#ifndef __WXMSW__
#include "mondrian.xpm"
#endif
// Global print data, to remember settings during the session
wxPrintData *g_printData = (wxPrintData*) NULL ;
// Global page setup data
wxPageSetupData* g_pageSetupData = (wxPageSetupData*) NULL;
#include <wx/html/htmprint.h>
// Declare a frame
MyFrame *frame = (MyFrame *) NULL;
wxHtmlWindow *html = NULL;
int orientation = wxPORTRAIT;
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Main proc
IMPLEMENT_APP(MyApp)
MyApp::MyApp()
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
}
public:
// override base class virtuals
// ----------------------------
// The `main program' equivalent, creating the windows and returning the
// main frame
bool MyApp::OnInit(void)
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
g_printData = new wxPrintData;
g_pageSetupData = new wxPageSetupDialogData;
public:
// ctor(s)
// Create the main frame window
frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows Printing Demo", wxPoint(0, 0), wxSize(600, 400));
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// Give it a status line
frame->CreateStatusBar(2);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
// Load icon and bitmap
frame->SetIcon( wxICON( mondrian) );
void OnPrintSetup(wxCommandEvent& event);
void OnPageSetup(wxCommandEvent& event);
void OnPrint(wxCommandEvent& event);
void OnPreview(wxCommandEvent& event);
void OnOpen(wxCommandEvent& event);
// Make a menubar
wxMenu *file_menu = new wxMenu;
private:
wxHtmlWindow *m_Html;
wxHtmlEasyPrinting *m_Prn;
wxString m_Name;
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
file_menu->Append(WXPRINT_PRINT, "&Print...", "Print");
file_menu->Append(WXPRINT_PRINT_SETUP, "Print &Setup...", "Setup printer properties");
file_menu->Append(WXPRINT_PAGE_SETUP, "Page Set&up...", "Page setup");
file_menu->Append(WXPRINT_PREVIEW, "Print Pre&view", "Preview");
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// Accelerators
wxAcceleratorEntry entries[1];
entries[0].Set(wxACCEL_CTRL, (int) 'V', WXPRINT_PREVIEW);
wxAcceleratorTable accel(1, entries);
frame->SetAcceleratorTable(accel);
file_menu->AppendSeparator();
file_menu->Append(WXPRINT_QUIT, "E&xit", "Exit program");
wxMenu *help_menu = new wxMenu;
help_menu->Append(WXPRINT_ABOUT, "&About", "About this demo");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
menu_bar->Append(help_menu, "&Help");
// Associate the menu bar with the frame
frame->SetMenuBar(menu_bar);
frame->Centre(wxBOTH);
frame->Show(TRUE);
frame->SetStatusText("Printing demo");
SetTopWindow(frame);
return TRUE;
}
int MyApp::OnExit()
// IDs for the controls and the menu commands
enum
{
delete g_printData;
delete g_pageSetupData;
return 1;
}
// menu items
Minimal_Quit = 1,
Minimal_About,
Minimal_Print,
Minimal_Preview,
Minimal_PageSetup,
Minimal_PrintSetup,
Minimal_Open
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------
// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(WXPRINT_QUIT, MyFrame::OnExit)
EVT_MENU(WXPRINT_PRINT, MyFrame::OnPrint)
EVT_MENU(WXPRINT_PREVIEW, MyFrame::OnPrintPreview)
EVT_MENU(WXPRINT_PRINT_SETUP, MyFrame::OnPrintSetup)
EVT_MENU(WXPRINT_PAGE_SETUP, MyFrame::OnPageSetup)
EVT_MENU(WXPRINT_ABOUT, MyFrame::OnPrintAbout)
EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
EVT_MENU(Minimal_About, MyFrame::OnAbout)
EVT_MENU(Minimal_Print, MyFrame::OnPrint)
EVT_MENU(Minimal_Preview, MyFrame::OnPreview)
EVT_MENU(Minimal_PageSetup, MyFrame::OnPageSetup)
EVT_MENU(Minimal_PrintSetup, MyFrame::OnPrintSetup)
EVT_MENU(Minimal_Open, MyFrame::OnOpen)
END_EVENT_TABLE()
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
wxFrame(frame, -1, title, pos, size)
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
html = new wxHtmlWindow(this);
html -> LoadPage("test.htm");
#if wxUSE_LIBPNG
wxImage::AddHandler(new wxPNGHandler);
#endif
#if wxUSE_LIBJPEG
wxImage::AddHandler(new wxJPEGHandler);
#endif
#if wxUSE_GIF
wxImage::AddHandler(new wxGIFHandler);
#endif
MyFrame *frame = new MyFrame("Printing test",
wxPoint(150, 50), wxSize(640, 480));
// Show it and tell the application that it's our main window
// @@@ what does it do exactly, in fact? is it necessary here?
frame->Show(TRUE);
SetTopWindow(frame);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned FALSE here, the
// application would exit immediately.
return TRUE;
}
void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
Close(TRUE);
// create a menu bar
wxMenu *menuFile = new wxMenu;
wxMenu *menuNav = new wxMenu;
menuFile->Append(Minimal_Open, "Open...\tCtrl-O");
menuFile->AppendSeparator();
menuFile->Append(Minimal_PageSetup, "Page Setup");
menuFile->Append(Minimal_PrintSetup, "Printer Setup");
menuFile->Append(Minimal_Print, "Print...");
menuFile->Append(Minimal_Preview, "Preview...");
menuFile->AppendSeparator();
menuFile->Append(Minimal_About, "&About");
menuFile->AppendSeparator();
menuFile->Append(Minimal_Quit, "&Exit");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, "&File");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
CreateStatusBar(1);
m_Html = new wxHtmlWindow(this);
m_Html -> SetRelatedFrame(this, "HTML : %s");
m_Html -> SetRelatedStatusBar(0);
m_Name = "test.htm";
m_Html -> LoadPage(m_Name);
m_Prn = new wxHtmlEasyPrinting("Easy Printing Demo", this);
m_Prn -> SetHeader(m_Name + "(@PAGENUM@/@PAGESCNT@)<hr>", wxPAGE_ALL);
}
void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
wxPrinter printer;
MyPrintout printout("My printout");
if (!printer.Print(this, &printout, TRUE))
wxMessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wxOK);
delete m_Prn;
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnPrintPreview(wxCommandEvent& WXUNUSED(event))
{
wxPrintData printData;
printData.SetOrientation(orientation);
// Pass two printout objects: for preview, and possible printing.
wxPrintPreview *preview = new wxPrintPreview(new MyPrintout, new MyPrintout, & printData);
if (!preview->Ok())
{
delete preview;
wxMessageBox("There was a problem previewing.\nPerhaps your current printer is not set correctly?", "Previewing", wxOK);
return;
}
wxPreviewFrame *frame = new wxPreviewFrame(preview, this, "Demo Print Preview", wxPoint(100, 100), wxSize(600, 650));
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(TRUE);
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox("HTML printing sample\n\n(c) Vaclav Slavik, 1999");
}
void MyFrame::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
{
wxPrintDialogData printDialogData(* g_printData);
wxPrintDialog printerDialog(this, & printDialogData);
printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
printerDialog.ShowModal();
(*g_printData) = printerDialog.GetPrintDialogData().GetPrintData();
m_Prn -> PrinterSetup();
}
void MyFrame::OnPageSetup(wxCommandEvent& WXUNUSED(event))
{
(*g_pageSetupData) = * g_printData;
wxPageSetupDialog pageSetupDialog(this, g_pageSetupData);
pageSetupDialog.ShowModal();
(*g_printData) = pageSetupDialog.GetPageSetupData().GetPrintData();
(*g_pageSetupData) = pageSetupDialog.GetPageSetupData();
m_Prn -> PageSetup();
}
void MyFrame::OnPrintAbout(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnPrint(wxCommandEvent& WXUNUSED(event))
{
(void)wxMessageBox("wxWindows printing demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk\n\nModified by Vaclav Slavik to show wxHtml features",
"About wxWindows printing demo", wxOK|wxCENTRE);
m_Prn -> PrintFile(m_Name);
}
bool MyPrintout::OnPrintPage(int page)
void MyFrame::OnPreview(wxCommandEvent& WXUNUSED(event))
{
wxDC *dc = GetDC();
if (dc)
{
if (page == 1)
DrawPageOne(dc);
return TRUE;
}
else
return FALSE;
m_Prn -> PreviewFile(m_Name);
}
bool MyPrintout::OnBeginDocument(int startPage, int endPage)
void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
{
if (!wxPrintout::OnBeginDocument(startPage, endPage))
return FALSE;
wxFileDialog dialog(this, "Open HTML page", "", "", "*.htm", 0);
return TRUE;
}
void MyPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
{
*minPage = 1;
*maxPage = 1;
*selPageFrom = 1;
*selPageTo = 1;
}
bool MyPrintout::HasPage(int pageNum)
{
return (pageNum == 1);
if (dialog.ShowModal() == wxID_OK)
{
m_Name = dialog.GetPath();
m_Html -> LoadPage(m_Name);
m_Prn -> SetHeader(m_Name + "(@PAGENUM@/@PAGESCNT@)<hr>", wxPAGE_ALL);
}
}
void MyPrintout::DrawPageOne(wxDC *dc)
{
int leftMargin = 20;
int topMargin = 40;
/* You might use THIS code to set the printer DC to ROUGHLY reflect
* the screen text size. This page also draws lines of actual length 5cm
* on the page.
*/
// Get the logical pixels per inch of screen and printer
int ppiScreenX, ppiScreenY;
GetPPIScreen(&ppiScreenX, &ppiScreenY);
int ppiPrinterX, ppiPrinterY;
GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
// Here we obtain internal cell representation of HTML document:
wxHtmlContainerCell *cell = html -> GetInternalRepresentation();
// Now we have to check in case our real page size is reduced
// (e.g. because we're drawing to a print preview memory DC)
int pageWidth, pageHeight;
int w, h;
dc->GetSize(&w, &h);
GetPageSizePixels(&pageWidth, &pageHeight);
// Now we must scale it somehow. The best would be to suppose that html window
// width is equal to page width:
float scale = (float)((float)(pageWidth - 0 * leftMargin)/((float)cell -> GetMaxLineWidth() + 2 * leftMargin));
// If printer pageWidth == current DC width, then this doesn't
// change. But w might be the preview bitmap width, so scale down.
float overallScale = scale * (float)(w/(float)pageWidth);
dc->SetUserScale(overallScale, overallScale);
// Calculate conversion factor for converting millimetres into
// logical units.
// There are approx. 25.1 mm to the inch. There are ppi
// device units to the inch. Therefore 1 mm corresponds to
// ppi/25.1 device units. We also divide by the
// screen-to-printer scaling factor, because we need to
// unscale to pass logical units to DrawLine.
dc->SetBackgroundMode(wxTRANSPARENT);
// TESTING
int pageWidthMM, pageHeightMM;
GetPageSizeMM(&pageWidthMM, &pageHeightMM);
// This is all the printing :
cell -> Draw(*dc, leftMargin, topMargin, 0, cell -> GetHeight());
}