linux-wallpaperengine-kde/wallpaperengine/irr/CImageLoaderTEX.h

// 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

// this file was created by rt (www.tomkorp.com), based on ttk's png-reader
// i wanted to be able to read in PNG images with irrlicht :)
// why?  lossless compression with 8-bit alpha channel!

#ifndef __C_IMAGE_LOADER_TEX_H_INCLUDED__
#define __C_IMAGE_LOADER_PNG_H_INCLUDED__

#include <irrlicht/irrlicht.h>

namespace irr
{
namespace video
{

//!  Surface Loader for PNG files
class CImageLoaderTex : public IImageLoader
{
public:

	//! returns true if the file maybe is able to be loaded by this class
	//! based on the file extension (e.g. ".png")
	virtual bool isALoadableFileExtension(const io::path& filename) const;

	//! returns true if the file maybe is able to be loaded by this class
	virtual bool isALoadableFileFormat(io::IReadFile* file) const;

	//! creates a surface from the file
	virtual IImage* loadImage(io::IReadFile* input) const;

private:
    enum TextureFormat
    {
        ARGB8888,
        RA88,
        A8,
        DXT5,
        DXT3,
        DXT1
    };
};


} // end namespace video
} // end namespace irr

#endif