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/*
* Modification History
*
* 2001-February-19 Jason Rohrer
* Created.
*
* 2001-April-28 Jason Rohrer
* Updated comments to deal with a failed deformatting operation.
*
* 2007-October-30 Jason Rohrer
* Added virtual destructor.
*/
#ifndef IMAGE_CONVERTER_INCLUDED
#define IMAGE_CONVERTER_INCLUDED
#include "Image.h"
#include "minorGems/io/InputStream.h"
#include "minorGems/io/OutputStream.h"
/**
* Interface for a class that can convert Images to and from
* various image formats.
*
* @author Jason Rohrer
*/
class ImageConverter {
public:
/**
* Sends an image out to a stream as a particular
* format.
*
* None of the parameters are destroyed by this call.
*
* @param inImage the image to convert.
* @param inStream the stream to write the formatted image to.
*/
virtual void formatImage( Image *inImage,
OutputStream *inStream ) = 0;
/**
* Reads an image in from a stream as a particular
* format.
*
* None of the parameters are destroyed by this call.
*
* @param inStream the stream to read the formatted image.
*
* @return the deformatted image, or NULL if the deformatting
* operation fails. Must be destroyed by caller.
*/
virtual Image *deformatImage( InputStream *inStream ) = 0;
// to ensure proper destruction of implementing classes
virtual ~ImageConverter() {};
};
#endif
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