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lib refactoring

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git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@4585 c8812cc2-4d05-0410-92ff-de0c093fc19c
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timlinux 2006-01-08 01:31:43 +00:00
parent 4a31c5442e
commit 4b54e9dba6
1 changed files with 0 additions and 95 deletions
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src/qgsrasterdataprovider.h
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/***************************************************************************
qgsrasterdataprovider.h - DataProvider Interface for raster layers
--------------------------------------
Date : Mar 11, 2005
Copyright : (C) 2005 by Brendan Morley
email : morb at ozemail dot com dot au
***************************************************************************/
/***************************************************************************
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* $Id$ */
/* Thank you to Marco Hugentobler for the original vector DataProvider */
#ifndef QGSRASTERDATAPROVIDER_H
#define QGSRASTERDATAPROVIDER_H
#include <set>
#include <map>
#include <qobject.h>
#include <qtextcodec.h>
#include <qimage.h>
#include "qgsdataprovider.h"
#include "qgspoint.h"
#include <qgsrasterviewport.h>
/** Base class for raster data providers
*
* \note This class has been copied and pasted from
* QgsVectorDataProvider, and does not yet make
* sense for Raster layers.
*/
class QgsRasterDataProvider : public QgsDataProvider
{
Q_OBJECT
public:
QgsRasterDataProvider();
QgsRasterDataProvider( QString const & uri );
virtual ~QgsRasterDataProvider() {};
/**
* Add the list of WMS layer names to be rendered by this server
*/
virtual void addLayers(QStringList const & layers,
QStringList const & styles = QStringList()) = 0;
//! get raster image encodings supported by (e.g.) the WMS Server, expressed as MIME types
virtual QStringList supportedImageEncodings() = 0;
/**
* Set the image encoding (as a MIME type) used in the transfer from (e.g.) the WMS server
*/
virtual void setImageEncoding(QString const & mimeType) = 0;
// TODO: Document this better.
/** \brief Renders the layer as an image
*/
virtual QImage* draw(QgsRect const & viewExtent, int pixelWidth, int pixelHeight) = 0;
// TODO: Get the supported formats by this provider
// TODO: Get the file masks supported by this provider, suitable for feeding into the file open dialog box
/**
* Get metadata in a format suitable for feeding directly
* into a subset of the GUI raster properties "Metadata" tab.
*/
virtual QString getMetadata() = 0;
protected:
};
#endif