зеркало из https://github.com/mozilla/pjs.git
77 строки
2.4 KiB
Plaintext
77 строки
2.4 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; 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 Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation.
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* All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#include "nsISupports.idl"
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interface nsIInputStream;
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interface imgILoad;
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/**
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* imgIDecoder interface
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*
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* @author Stuart Parmenter <pavlov@netscape.com>
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* @version 0.2
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* @see imagelib2
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*/
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[scriptable, uuid(9eebf43a-1dd1-11b2-953e-f1782f4cbad3)]
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interface imgIDecoder : nsISupports
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{
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/**
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* Initalize an image decoder.
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* @param aRequest the request that owns the decoder.
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*
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* @note The decode should QI \a aLoad to an imgIDecoderObserver
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* and should send decoder notifications to the request.
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* The decoder should always pass NULL as the first two parameters to
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* all of the imgIDecoderObserver APIs.
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*/
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void init(in imgILoad aLoad);
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/**
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* Closes the stream.
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*/
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void close();
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/**
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* Flushes the stream.
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*/
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void flush();
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/**
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* Writes data into the stream from an input stream.
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* Implementer's note: This method is defined by this interface in order
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* to allow the output stream to efficiently copy the data from the input
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* stream into its internal buffer (if any). If this method was provide
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* as an external facility, a separate char* buffer would need to be used
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* in order to call the output stream's other Write method.
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* @param fromStream the stream from which the data is read
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* @param count the maximun number of bytes to write
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* @return aWriteCount out parameter to hold the number of
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* bytes written. if an error occurs, the writecount
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* is undefined
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*/
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unsigned long writeFrom(in nsIInputStream inStr,
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in unsigned long count);
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};
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