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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INCLUDED_VCL_FILTER_PNGIMAGEREADER_HXX
#define INCLUDED_VCL_FILTER_PNGIMAGEREADER_HXX
#include <sal/config.h>
#include <memory>
#include <vector>
#include <vcl/dllapi.h>
#include <vcl/BinaryDataContainer.hxx>
#include <com/sun/star/uno/Reference.hxx>
namespace com::sun::star::task
{
class XStatusIndicator;
}
class BitmapEx;
class SvStream;
namespace vcl
{
class VCL_DLLPUBLIC PngImageReader
{
SvStream& mrStream;
css::uno::Reference<css::task::XStatusIndicator> mxStatusIndicator;
public:
PngImageReader(SvStream& rStream);
// Returns true if image was successfully read without errors.
// A usable bitmap may be returned even if there were errors (e.g. incomplete image).
bool read(BitmapEx& rBitmap);
// Returns a bitmap without indicating if there were errors.
BitmapEx read();
// Returns the contents of the msOG chunk (containing a Gif image), if it exists.
// Does not change position in the stream.
static BinaryDataContainer getMicrosoftGifChunk(SvStream& rStream);
};
} // namespace vcl
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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