Copy irrlichtmt to <root>/irr/

irr/include/IImageLoader.h

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+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#pragma once
+
+#include "IReferenceCounted.h"
+#include "IImage.h"
+#include "ITexture.h"
+#include "path.h"
+#include "irrArray.h"
+
+namespace irr
+{
+namespace io
+{
+class IReadFile;
+} // end namespace io
+namespace video
+{
+
+//! Class which is able to create a image from a file.
+/** If you want the Irrlicht Engine be able to load textures of
+currently unsupported file formats (e.g .gif), then implement
+this and add your new Surface loader with
+IVideoDriver::addExternalImageLoader() to the engine. */
+class IImageLoader : public virtual IReferenceCounted
+{
+public:
+	//! Check if the file might be loaded by this class
+	/** Check is based on the file extension (e.g. ".tga")
+	\param filename Name of file to check.
+	\return True if file seems to be loadable. */
+	virtual bool isALoadableFileExtension(const io::path &filename) const = 0;
+
+	//! Check if the file might be loaded by this class
+	/** Check might look into the file.
+	\param file File handle to check.
+	\return True if file seems to be loadable. */
+	virtual bool isALoadableFileFormat(io::IReadFile *file) const = 0;
+
+	//! Creates a surface from the file
+	/** \param file File handle to check.
+	\return Pointer to newly created image, or 0 upon error. */
+	virtual IImage *loadImage(io::IReadFile *file) const = 0;
+};
+
+} // end namespace video
+} // end namespace irr