Mozilla/mozilla/layout/base/src/nsPrintContext.cpp
troy%netscape.com d7e61a86d5 Added PrintContext class and changed document viewer impl to use it instead
of a galley mode context


git-svn-id: svn://10.0.0.236/trunk@15612 18797224-902f-48f8-a5cc-f745e15eee43
1998-12-02 03:21:55 +00:00

87 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsPresContext.h"
#include "nsIDeviceContext.h"
#include "nsUnitConversion.h"
#include "nsIView.h"
#include "nsIWidget.h"
#include "nsGfxCIID.h"
#include "nsLayoutAtoms.h"
static NS_DEFINE_IID(kIPresContextIID, NS_IPRESCONTEXT_IID);
class PrintContext : public nsPresContext {
public:
PrintContext();
~PrintContext();
NS_IMETHOD GetMedium(nsIAtom*& aMedium);
virtual PRBool IsPaginated();
virtual nscoord GetPageWidth();
virtual nscoord GetPageHeight();
};
PrintContext::PrintContext()
{
}
PrintContext::~PrintContext()
{
}
NS_IMETHODIMP
PrintContext::GetMedium(nsIAtom*& aMedium)
{
aMedium = nsLayoutAtoms::print;
NS_ADDREF(aMedium);
return NS_OK;
}
PRBool PrintContext::IsPaginated()
{
return PR_TRUE;
}
nscoord PrintContext::GetPageWidth()
{
// XXX assumes a 1/2 margin around all sides
return (nscoord) NS_INCHES_TO_TWIPS(7.5);
}
nscoord PrintContext::GetPageHeight()
{
// XXX assumes a 1/2 margin around all sides
return (nscoord) NS_INCHES_TO_TWIPS(10);
}
NS_LAYOUT nsresult
NS_NewPrintContext(nsIPresContext** aInstancePtrResult)
{
if (aInstancePtrResult == nsnull) {
return NS_ERROR_NULL_POINTER;
}
PrintContext *it = new PrintContext;
if (it == nsnull) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kIPresContextIID, (void **) aInstancePtrResult);
}