/****************************	Imaging Ultilities****************************/#include "img.h"////	Clockwise rotation//	for 16bit image//void RGB565Rotate(unsigned long BufIn, unsigned long BufOut, unsigned long imgH, unsigned long imgV, unsigned long dir){	long v, h, k;	unsigned short * _dataIn = (unsigned short *)BufIn;	unsigned short * _dataOut = (unsigned short *)BufOut;	switch(dir)	{		case 90:		{			k = 0;			for(h = 0; h < imgH; h ++)			{				for(v = imgV - 1; v >= 0; v --)				{					_dataOut[k] = _dataIn[v * imgH + h];					k ++;				}			}			break;		}		case 270:		{			k = 0;			for(h = imgH - 1; h >= 0; h --)			{				for(v = 0; v < imgV; v ++)				{					_dataOut[k] = _dataIn[v * imgH + h];					k ++;				}			}			break;		}	}		return;}////	Swap consecutive bytes////	InBuf = OutBuf is allowed//void Swap8(unsigned long InBuf, unsigned long OutBuf, int nByte){	unsigned long i;	unsigned short b0, b1;	unsigned char * _inBuf = (unsigned char *)InBuf;	unsigned char * _outBuf = (unsigned char *)OutBuf;	for(i = 0; i < nByte; i += 2)	{		b0 = _inBuf[i];		b1 = _inBuf[i + 1];		_outBuf[i] = b1;		_outBuf[i + 1] = b0;	}	return;}////	Swap consecutive 16 bit half words////	InBuf = OutBuf is allowed//void Swap16(unsigned long InBuf, unsigned long OutBuf, int n16){	unsigned long i;	unsigned short h0, h1;	unsigned short * _inBuf = (unsigned short *)InBuf;	unsigned short * _outBuf = (unsigned short *)OutBuf;	for(i = 0; i < n16; i += 2)	{		h0 = _inBuf[i];		h1 = _inBuf[i + 1];		_outBuf[i] = h1;		_outBuf[i + 1] = h0;	}	return;}