// CopyBuffer.cpp: implementation of the CCopyBuffer class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "InspectionBuffer.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////



BOOL CCopyBuffer::FillBuffer(CSISBuffer &buffer, double xx, double yy)
{
	int x= static_cast<int> (xx);
	int y= static_cast<int> (yy);
	
	if(yy < 0)
	{
		y--;
	}
	double x2= xx- x;
	double x1= 1.0- x2;
	double y2= yy- y;
	double y1= 1.0- y2;
	
	double xy= x1*y1;
	double xxy= x2*y1;
	double xyy= x1*y2;
	double xxyy= x2*y2;
	
	BYTE val;
	int tx, ty;
	
	//	FILE pFile;
	//	pFile= fopen("buffer.txt", "w");
	for(int iy= 0; iy < m_Height; iy++)
	{
		ty= y+ iy;
		for(int ix= 0; ix < m_Width; ix++)
		{
			tx= x+ ix;
			val= (BYTE) (xy*buffer.GetPixel(tx, ty) + xxy*buffer.GetPixel(tx+ 1, ty)+ xyy*buffer.GetPixel(tx, ty+ 1)+ xxyy*buffer.GetPixel(tx+1, ty+1));
			SetPixel(ix, iy, val);
			//			fprintf(pFile, "%d, %d, %d, %d, %d", val, buffer.GetPixel(tx, ty), buffer.GetPixel(tx+ 1, ty), buffer.GetPixel(tx+ 1, ty), buffer.GetPixel(tx+ 1, ty+ 1));
			//			SetPixel(ix, iy, 0);
		}
	}
	return TRUE;
}