godot/drivers/png/image_loader_png.h

/*************************************************************************/
/*  image_loader_png.h                                                   */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef IMAGE_LOADER_PNG_H
#define IMAGE_LOADER_PNG_H

#include "core/io/image_loader.h"

#include <png.h>

/**
	@author Juan Linietsky <reduzio@gmail.com>
*/
class ImageLoaderPNG : public ImageFormatLoader {

	static void _read_png_data(png_structp png_ptr, png_bytep data, png_size_t p_length);

public:
	static Error _load_image(void *rf_up, png_rw_ptr p_func, Ref<Image> p_image);
	virtual Error load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale);
	virtual void get_recognized_extensions(List<String> *p_extensions) const;
	ImageLoaderPNG();
};

#endif