#ifndef NO_PRAGMA_ONCE
#pragma once
#endif

#ifndef __TEXTURE_H
#define __TEXTURE_H

#include <string>

namespace CHCDemoEngine
{

///
class Texture
{
public:
	
	// available texture formats
	enum {FORMAT_INVALID, FORMAT_RGB, FORMAT_RGBA};
	// texture uv modes
	enum {CLAMP, REPEAT, BORDER};


	/** Constructor loading texture from file
	*/
	Texture(const std::string &filename);
	/** Destroys data.
	*/
	~Texture();
	/** Returns image data.
	*/
	void *GetImage() const;
	/** Returns width of texture.
	*/
	int GetWidth() const;
	/** Returns width of texture.
	*/
	int GetHeight() const;
	/** Returns texture format. Currently only RGBA supported.
	*/
	int GetFormat() const;
	/** Returns name of the texture
	*/
	std::string GetName() const;
	/** Returns byte size of a row of the image.
	*/
	int GetRowLength() const;
	/** Returns byte size of one pixel
	*/
	int GetPixelSize() const;
	/** Returns byte size of the image
	*/
	inline int GetByteSize() const;
	/** Bind the texture.
	*/
	void Bind() const;
	/** Sets the boundary mode for the s texture coordinate parameter.
	*/
	void SetBoundaryModeS(int mode) { mBoundaryModeS = mode; }
	/** Sets the boundary mode for the T texture coordinate parameter.
	*/
	void SetBoundaryModeT(int mode) { mBoundaryModeT = mode; }

	int GetBoundaryModeS() const { return mBoundaryModeS; }
	int GetBoundaryModeT() const { return mBoundaryModeT; }

	/** Creates the texture from the image
	*/
	void Create();
	/** Returns id of this texture.
	*/
	int GetId() const { return mTexId; }


protected:

	int mFormat;
	int mWidth;
	int mHeight;

	unsigned int mTexId;

	int mBoundaryModeS;
	int mBoundaryModeT;

	std::string mName;

	int mByteSize;
	void *mImage;

	bool mUseMipMap;
};


inline int Texture::GetByteSize() const
{
	return mByteSize;
}

}

#endif // __TEXTURE_H