59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http:/www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* -*- Mode: C; tab-width: 4 -*-
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* nsPNGDecoder.cpp --- interface to png decoder
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*/
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#include "nsPNGCallback.h"
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/* callbks: */
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/*-------------class----------*/
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NS_IMETHODIMP PNGCallbk::AddRef()
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{
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NS_INIT_REFCNT();
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return NS_OK;
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}
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NS_IMETHODIMP PNGCallbk::Release()
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{
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return NS_OK;
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}
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NS_IMETHODIMP PNGCallbk::QueryInterface(const nsIID& aIID, void** aResult)
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{
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if (NULL == aResult) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kImgDCallbkIID)) {
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*aResult = (void*) this;
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NS_INIT_REFCNT();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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/*-----------------------------*/
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