56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __I_SURFACE_LOADER_H_INCLUDED__
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#define __I_SURFACE_LOADER_H_INCLUDED__
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#include "IReferenceCounted.h"
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#include "IImage.h"
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#include "path.h"
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namespace irr
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{
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namespace io
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{
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class IReadFile;
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} // end namespace io
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namespace video
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{
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//! Class which is able to create a image from a file.
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/** If you want the Irrlicht Engine be able to load textures of
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currently unsupported file formats (e.g .gif), then implement
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this and add your new Surface loader with
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IVideoDriver::addExternalImageLoader() to the engine. */
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class IImageLoader : public virtual IReferenceCounted
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{
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public:
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//! Check if the file might be loaded by this class
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/** Check is based on the file extension (e.g. ".tga")
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\param filename Name of file to check.
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\return True if file seems to be loadable. */
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virtual bool isALoadableFileExtension(const io::path& filename) const = 0;
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//! Check if the file might be loaded by this class
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/** Check might look into the file.
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\param file File handle to check.
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\return True if file seems to be loadable. */
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virtual bool isALoadableFileFormat(io::IReadFile* file) const = 0;
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//! Creates a surface from the file
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/** \param file File handle to check.
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\return Pointer to newly created image, or 0 upon error. */
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virtual IImage* loadImage(io::IReadFile* file, bool skip_checking = false) const = 0;
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virtual core::dimension2du getImageSize(io::IReadFile* file) const { return core::dimension2du(0, 0); }
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virtual bool supportThreadedLoading() const { return false; }
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};
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} // end namespace video
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} // end namespace irr
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#endif
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