kde-playground/kdepimlibs/syndication/image.h
2015-04-14 21:49:29 +00:00

114 lines
3.1 KiB
C++

/*
* This file is part of the syndication library
*
* Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef SYNDICATION_IMAGE_H
#define SYNDICATION_IMAGE_H
#include <QtCore/QString>
#include <boost/shared_ptr.hpp>
#include "ksyndication_export.h"
namespace Syndication {
class Image;
//@cond PRIVATE
typedef boost::shared_ptr<Image> ImagePtr;
//@endcond
/**
* This class represents an image file on the web.
* It is usually some kind of feed logo which can be displayed when showing the
* feed description.
*
* @author Frank Osterfeld
*/
class SYNDICATION_EXPORT Image
{
public:
/**
* destructor
*/
virtual ~Image();
/**
* returns whether this image is a null object.
*/
virtual bool isNull() const = 0;
/**
* the URL of a GIF, JPEG or PNG image
*/
virtual QString url() const = 0;
/**
* Describes the image, can be used in the ALT attribute of the
* HTML &lt;img> tag when the channel is rendered in HTML.
*
* @return TODO: specify format
*/
virtual QString title() const = 0;
/**
* The URL of the site, when the channel is rendered, the image should
* be a link to the site. If not set, use Feed::link().
*
* @return the url the rendered image should link to, or a null string
* if not specified in the feed.
*/
virtual QString link() const = 0;
/**
* optional text that can be included in the TITLE attribute of the link
* formed around the image in HTML rendering.
*
* @return TODO: specify format (HTML etc.)
*/
virtual QString description() const = 0;
/**
* The width of the image in pixels.
*
* @return image width in pixels or 0 if not specified in the feed.
*/
virtual uint width() const = 0;
/**
* The height of the image in pixels
*
* @return image height in pixels or 0 of not specified in the feed.
*/
virtual uint height() const = 0;
/**
* returns a description of the image for debugging purposes
*
* @return debug string
*/
virtual QString debugInfo() const;
};
} // namespace Syndication
#endif // SYNDICATION_IMAGE_H