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//===============================================================
// vwinprtr.cpp - Windows Printer class
//
// Copyright (C) 1995,1996, 1997, 1998 Bruce E. Wampler
//
// This file is part of the V C++ GUI Framework, and is covered
// under the terms of the GNU Library General Public License,
// Version 2. This library has NO WARRANTY. See the source file
// vapp.cxx for more complete information about license terms.
//===============================================================
#include <v/vwin32.h> // for Win 32 stuff
#include <v/vapp.h>
#include <v/vwinprtr.h>
#include <commdlg.h>
int vWinPrinter::_instances = 0; // reference counter for copy / assignment
//================>>> vWinPrinter::vWinPrinter <<<========================
vWinPrinter::vWinPrinter()
{
_name = 0;
_paperType = vPaperDefault;
_copies = 1;
_toFile = 1;
_width = 1;
_height = 1;
_portrait = 1;
_useColor = 0;
_printhDC = 0;
++_instances; // bump reference counter
}
//================>>> vWinPrinter::vWinPrinter <<<========================
vWinPrinter::vWinPrinter(const vWinPrinter& pr)
{
// copy constructor
_name = pr._name;
_width = pr._width;
_height = pr._height;
_portrait = pr._portrait;
_useColor = pr._useColor;
_paperType = pr._paperType;
_copies = pr._copies;
_toFile = pr._toFile;
_printhDC = pr._printhDC;
++_instances; // bump reference counter
}
//================>>> vWinPrinter::= <<<========================
vWinPrinter& vWinPrinter::operator =(const vWinPrinter& pr)
{
if (this == &pr) // to self?
return *this;
if (_name)
delete [] _name; // free space before overwrite
_name = pr._name;
_width = pr._width;
_height = pr._height;
_portrait = pr._portrait;
_useColor = pr._useColor;
_paperType = pr._paperType;
_copies = pr._copies;
_toFile = pr._toFile;
_printhDC = pr._printhDC;
return *this;
}
//================>>> vWinPrinter::~vWinPrinter <<<========================
vWinPrinter::~vWinPrinter()
{
// We are using a reference count to track instances of printers.
// We want to allow the user to pass copies of the single printer
// around, but there should only be one name and one stream;
--_instances; // not reference any more
if (_instances > 0)
return; // don't do anything else
if (_name)
delete [] _name;
}
//================>>> vWinPrinter::GetPaperName <<<========================
char* vWinPrinter::GetPaperName()
{
if (_paperType == vPaperLetter) // we have (8.5x11) added...
return "Letter";
else
return "Unknown";
}
//================>>> vWinPrinter::Setup <<<========================
int vWinPrinter::Setup(VCONST char* fn)
{
// fn is an override default name
PRINTDLG pd;
if (_printhDC != 0)
return 0;
pd.lStructSize = sizeof( PRINTDLG );
pd.hwndOwner=NULL;
pd.hDevMode=(HANDLE)NULL;
pd.hDevNames=(HANDLE)NULL;
pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS |
PD_HIDEPRINTTOFILE;
pd.nFromPage=0;
pd.nToPage=0;
pd.nMinPage=0;
pd.nMaxPage=0;
pd.nCopies=1;
pd.hInstance=(HINSTANCE)NULL;
pd.lCustData = (LPARAM)0;
pd.lpfnPrintHook = 0;
pd.lpfnSetupHook = 0;
pd.lpPrintTemplateName = (LPCSTR) 0;
pd.lpSetupTemplateName = (LPCSTR) 0;
pd.hPrintTemplate = (HGLOBAL)0;
pd.hSetupTemplate = (HGLOBAL)0;
if ( ::PrintDlg( &pd ) != 0 )
{
int pixw, pixh;
_printhDC = pd.hDC;
pixw = ::GetDeviceCaps(_printhDC, HORZRES);
pixh = ::GetDeviceCaps(_printhDC, VERTRES);
// This scaling gives about the same proportions as the X version
_width = ::GetDeviceCaps(_printhDC, HORZSIZE) * 3;
_height = ::GetDeviceCaps(_printhDC,VERTSIZE) * 3;
// ::SetMapMode(_printhDC, MM_ISOTROPIC);
// ::SetWindowExt(_printhDC,_width,_height);
// ::SetViewportExt(_printhDC,pixw,pixh);
}
return _printhDC != 0;
}
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