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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-06-14
* Description : DImg image loader interface
*
* Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2005-2009 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
#ifndef DIMGLOADER_H
#define DIMGLOADER_H
// TQt includes.
#include <tqmap.h>
#include <tqstring.h>
#include <tqcstring.h>
#include <tqvariant.h>
// Local includes.
#include "dimg.h"
#include "digikam_export.h"
namespace Digikam
{
class DImgLoaderObserver;
class DIGIKAM_EXPORT DImgLoader
{
public:
virtual ~DImgLoader() {};
virtual bool load(const TQString& filePath, DImgLoaderObserver *observer) = 0;
virtual bool save(const TQString& filePath, DImgLoaderObserver *observer) = 0;
virtual bool hasAlpha() const = 0;
virtual bool sixteenBit() const = 0;
virtual bool isReadOnly() const = 0;
protected:
DImgLoader(DImg* image);
unsigned char*& imageData();
unsigned int& imageWidth();
unsigned int& imageHeight();
bool imageHasAlpha();
bool imageSixteenBit();
int imageBitsDepth();
int imageBytesDepth();
TQMap<int, TQByteArray>& imageMetaData();
TQVariant imageGetAttribute(const TQString& key);
void imageSetAttribute(const TQString& key, const TQVariant& value);
TQMap<TQString, TQString>& imageEmbeddedText();
TQString imageGetEmbbededText(const TQString& key);
void imageSetEmbbededText(const TQString& key, const TQString& text);
virtual bool readMetadata(const TQString& filePath, DImg::FORMAT ff);
virtual bool saveMetadata(const TQString& filePath);
virtual int granularity(DImgLoaderObserver *observer, int total, float progressSlice = 1.0);
bool checkExifWorkingColorSpace();
protected:
DImg *m_image;
private:
DImgLoader();
};
} // NameSpace Digikam
#endif /* DIMGLOADER_H */
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