Mozilla/mozilla/layout/base/src/nsPrintContext.cpp
rods%netscape.com a74e78a562 Implements Print FrameAsIs and other frame printing options
Bug 7201 r=dcone sr=attinasi


git-svn-id: svn://10.0.0.236/trunk@92091 18797224-902f-48f8-a5cc-f745e15eee43
2001-04-12 13:04:29 +00:00

139 lines
3.3 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 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsPresContext.h"
#include "nsIPrintContext.h"
#include "nsIDeviceContext.h"
#include "nsUnitConversion.h"
#include "nsIView.h"
#include "nsIWidget.h"
#include "nsGfxCIID.h"
#include "nsLayoutAtoms.h"
class PrintContext : public nsPresContext , nsIPrintContext{
public:
//NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPRINTCONTEXT_IID)
//Interfaces for addref and release and queryinterface
//NOTE macro used is for classes that inherit from
// another class. Only the base class should use NS_DECL_ISUPPORTS
NS_DECL_ISUPPORTS_INHERITED
PrintContext();
~PrintContext();
NS_IMETHOD GetMedium(nsIAtom** aMedium);
NS_IMETHOD IsPaginated(PRBool* aResult);
NS_IMETHOD GetPageDim(nsRect* aActualRect, nsRect* aAdjRect);
NS_IMETHOD SetPageDim(nsRect* aRect);
protected:
nsRect mPageDim;
};
PrintContext::PrintContext() :
mPageDim(0,0,0,0)
{
}
PrintContext::~PrintContext()
{
}
NS_IMPL_ADDREF_INHERITED(PrintContext,nsPresContext)
NS_IMPL_RELEASE_INHERITED(PrintContext,nsPresContext)
//---------------------------------------------------------
NS_IMETHODIMP
PrintContext::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (aIID.Equals(NS_GET_IID(nsIPrintContext))) {
*aInstancePtr = (void *)((nsIPrintContext*)this);
NS_ADDREF_THIS();
return NS_OK;
}
return nsPresContext::QueryInterface(aIID, aInstancePtr);
}
NS_IMETHODIMP
PrintContext::GetMedium(nsIAtom** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = nsLayoutAtoms::print;
NS_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
PrintContext::IsPaginated(PRBool* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
PrintContext::GetPageDim(nsRect* aActualRect, nsRect* aAdjRect)
{
NS_ENSURE_ARG_POINTER(aActualRect);
NS_ENSURE_ARG_POINTER(aAdjRect);
PRInt32 width,height;
if (NS_SUCCEEDED(mDeviceContext->GetDeviceSurfaceDimensions(width, height))) {
aActualRect->SetRect(0, 0, width, height);
}
*aAdjRect = mPageDim;
return NS_OK;
}
NS_IMETHODIMP
PrintContext::SetPageDim(nsRect* aPageDim)
{
NS_ENSURE_ARG_POINTER(aPageDim);
mPageDim = *aPageDim;
return NS_OK;
}
NS_LAYOUT nsresult
NS_NewPrintContext(nsIPrintContext** 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(NS_GET_IID(nsIPrintContext), (void **) aInstancePtrResult);
}