/*
 * AlphaImage
 *
 *   Alpha Channel 󸮸¦ À§ÇÑ Image Component
 *   Cuperido @ Nineteam
 */

#ifndef AlphaImageH
#define AlphaImageH

#include <SysUtils.hpp>
#include <Controls.hpp>
#include <Classes.hpp>
#include <Forms.hpp>
#include "CustomImage.hpp"
#include <ExtCtrls.hpp>

//---------------------------------------------------------------------------

class PACKAGE TAlphaImage : public TCustomImage
{

  struct srTGAHeader {
    byte  Identification;
    byte  ColormapType;
    byte  ImageType;

    short ColorMapPosition;
    short ColorMapLength;
    byte  ColorMapBits;

    short X_Position;
    short Y_Position;
    short Width;
    short Height;
    byte  Bits;
    byte  AlphaBits;
  };

  private:
	Graphics::TPicture *FPicture_Alpha;

  protected:
	void __fastcall Assign_Picture_Alpha(Graphics::TPicture *piImage);
        void __fastcall LoadTGAFromFile(AnsiString stFilename);

  public:
        __fastcall TAlphaImage(TComponent* Owner);
        __fastcall ~TAlphaImage(void);

  public:
        void __fastcall LoadFromFile(AnsiString stFilename);
        void __fastcall SaveToFile(AnsiString stFilename);

  __published:
  	__property Graphics::TPicture *Picture_Alpha = {read=FPicture_Alpha, write=Assign_Picture_Alpha};
};

//---------------------------------------------------------------------------

#endif