зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.1 KiB
C++
102 строки
2.1 KiB
C++
/* -*- Mode: C; tab-width: 4; 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):
|
|
*/
|
|
|
|
/*
|
|
* nsGIFDecoder.cpp --- interface to gif decoder
|
|
*/
|
|
|
|
#include "nsGIFDecoder.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// GIF Decoder Implementation
|
|
|
|
NS_IMPL_ISUPPORTS(GIFDecoder, NS_GET_IID(nsIImgDecoder));
|
|
|
|
GIFDecoder::GIFDecoder(il_container* aContainer)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
ilContainer = aContainer;
|
|
};
|
|
|
|
GIFDecoder::~GIFDecoder(void)
|
|
{
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
GIFDecoder::ImgDInit()
|
|
{
|
|
PRBool ret=PR_FALSE;
|
|
|
|
if(ilContainer != NULL) {
|
|
ret=il_gif_init(ilContainer);
|
|
}
|
|
if(ret)
|
|
return NS_OK;
|
|
else
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
GIFDecoder::ImgDWriteReady(PRUint32 *max_read)
|
|
{
|
|
|
|
if(ilContainer != NULL) {
|
|
*max_read = il_gif_write_ready(ilContainer);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GIFDecoder::ImgDWrite(const unsigned char *buf, int32 len)
|
|
{
|
|
int ret = 0;
|
|
|
|
if( ilContainer != NULL ) {
|
|
ret = il_gif_write(ilContainer, buf,len);
|
|
if(ret != 0)
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GIFDecoder::ImgDComplete()
|
|
{
|
|
if( ilContainer != NULL ) {
|
|
il_gif_complete(ilContainer);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GIFDecoder::ImgDAbort()
|
|
{
|
|
if( ilContainer != NULL ) {
|
|
il_gif_abort(ilContainer);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|