Copy irrlichtmt to <root>/irr/

irr/src/CImageLoaderPNG.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
+
+// 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!
+
+#pragma once
+
+#include "IImageLoader.h"
+
+namespace irr
+{
+namespace video
+{
+
+//!  Surface Loader for PNG files
+class CImageLoaderPng : 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")
+	bool isALoadableFileExtension(const io::path &filename) const override;
+
+	//! returns true if the file maybe is able to be loaded by this class
+	bool isALoadableFileFormat(io::IReadFile *file) const override;
+
+	//! creates a surface from the file
+	IImage *loadImage(io::IReadFile *file) const override;
+};
+
+} // end namespace video
+} // end namespace irr