TGATemplate.bt

//--------------------------------------
//--- 010 Editor v2.0.2 Binary Template
//
// File:	TGATemplate.bt
// Author:	Chiuta Adrian Marius
// E-mail:	camsoftwarero@yahoo.com
// Revision:	1.0
// Purpose:	Shows the fields of a TGA image.
//--------------------------------------

//Definim structurile folosite de TGA
typedef struct{
   WORD   FirstIndexEntry;
   WORD   ColorMapLength;
   UBYTE  ColorMapEntrySize;   
}COLORMAPSPECIFICATION;

typedef struct{
   WORD   XOrigin;
   WORD   YOrigin;
   WORD   Width;
   WORD   Height;
   UBYTE  PixelDepth;
   UBYTE  ImageDescriptor;   
}IMAGESPECIFICATION <read=ReadImageSpecification>;

typedef struct{
   UBYTE  IDLength;
   UBYTE  ColorMapType;
   UBYTE  ImageType;
   COLORMAPSPECIFICATION CMSpecification;
   IMAGESPECIFICATION ISpecification;
}TGAFILEHEADER <read=ReadTGAHeader>;

typedef struct{
   DWORD B:5;
   DWORD G:5;
   DWORD R:5;
}RGB555 <read=ReadRGB555>;

typedef struct{
   DWORD B:5;
   DWORD G:5;
   DWORD R:5;
   DWORD X:1;
}XRGB1555 <read=ReadXRGB1555>;

typedef struct{
   UBYTE B;
   UBYTE G;
   UBYTE R;
}RGB888 <read=ReadRGB888>;

typedef struct{
   UBYTE B;
   UBYTE G;
   UBYTE R;
   UBYTE A;
}ARGB8888 <read=ReadARGB8888>;

string ReadTGAHeader(TGAFILEHEADER &a)
{
    switch( a.ImageType )
   {
    case 0:
	return "No Image Data Included";
    case 1:
      	return "Uncompressed, Color-mapped Image";
    case 2:
	return "Uncompressed, True-color Image";
    case 3:
	return "Uncompressed, Black-and-white Image";
    case 9:
	return "Run-length encoded, Color-mapped Image";
    case 10:
	return "Run-length encoded, True-color Image";
    case 11:
	return "Run-length encoded, Black-and-white Image";
   }
}
string ReadImageSpecification(IMAGESPECIFICATION &a)
{
    string s;
    SPrintf( s, "Res: %dx%d^%d", a.Width, a.Height, a.PixelDepth );
    return s;
}
string ReadRGB555( RGB555 &a )
{
    string s;
    SPrintf( s, "B=%03d G=%03d R=%03d", a.B, a.G, a.R );
    return s;
}
string ReadXRGB1555( XRGB1555 &a )
{
    string s;
    SPrintf( s, "X=%1d B=%03d G=%03d R=%03d",a.X, a.B, a.G, a.R );
    return s;
}

string ReadRGB888( RGB888 &a )
{
    string s;
    SPrintf( s, "B=%03d G=%03d R=%03d", a.B, a.G, a.R );
    return s;
}

string ReadARGB8888( ARGB8888 &a )
{
    string s;
    SPrintf( s, "A=%03d B=%03d G=%03d R=%03d",a.A, a.B, a.G, a.R );
    return s;
}

LittleEndian(); 
SetBackColor( cLtGray );
//Definim headerului fisierului TGA
TGAFILEHEADER TGAfh;


if( TGAfh.IDLength!=0 )//Definim ID-ul imaginii TGA
	UBYTE  ImageID[ TGAfh.IDLength ];

SetBackColor( cSilver );
//Definim culorile indexate asociate TGA-ului
if( TGAfh.ColorMapType!=0 )
	switch( TGAfh.CMSpecification.ColorMapEntrySize)
	{
	case 15:
		RGB555 ColorMap[ TGAfh.CMSpecification.ColorMapLength ];
		break;
	case 16:
		XRGB1555 ColorMap[ TGAfh.CMSpecification.ColorMapLength ];
		break;
	case 24:
		RGB888 ColorMap[ TGAfh.CMSpecification.ColorMapLength ];
		break;
	case 32:
		ARGB8888 ColorMap[ TGAfh.CMSpecification.ColorMapLength ];
		break;
	}
SetBackColor( cLtAqua );
struct TGALine {
	switch( TGAfh.ISpecification.PixelDepth )
	{
	case 8:
		UBYTE ColorIndex[TGAfh.ISpecification.Height];
		break;
	case 16:
		XRGB1555 Pixel[TGAfh.ISpecification.Height];
		break;
	case 24:
		RGB888 Pixel[TGAfh.ISpecification.Height];
		break;
	case 32:
		ARGB8888 Pixel[TGAfh.ISpecification.Height];
		break;
	}
}TGALines [ TGAfh.ISpecification.Width ] <optimize=true>;