#include "zoom.h"

zoom1_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte *out1, *out2;
	int i2, nn;

	nn = n1;
	for (out1=out, out2=out+n1,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1++ = *inp;
			*out2++ = *inp;
			}
		}
	}

zoom2_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte2 *out1, *out2, *ztablep;
	int i2, nn;

	nn = n1;
	for (out1=(Byte2 *)out, out2=(Byte2 *)out+n1, ztablep=ztable12,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1 = ztablep[ *inp ];
			*out2++ = *out1++;
			}
		}
	}

szoom2_2 (in,out,n1,n2,zoom1,zoom2)
Byte2 *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte2 *inp, *end, *rowp;
	register Byte4 *out1, *out2, *ztablep;
	int i2, nn;

	n1 /= 2;
	nn = n1;
	for (out1=(Byte4 *)out, out2=(Byte4 *)out+n1, ztablep=ztable24,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1 = ztablep[ *inp ];
			*out2++ = *out1++;
			}
		}
	}

zoom4_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte4 *out1, *out2, *ztablep;
	int i2, nn;

	nn = n1;
	for (out1=(Byte4 *)out, out2=(Byte4 *)out+n1, ztablep=ztable14,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1 = ztablep[ *inp ];
			*out2++ = *out1++;
			}
		}
	}

szoom4_2 (in,out,n1,n2,zoom1,zoom2)
Byte2 *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte2 *inp, *end, *rowp;
	register Byte8 *out1, *out2, *ztablep;
	int i2, nn;

	n1 /= 2;
	nn = n1;
	for (out1=(Byte8 *)out, out2=(Byte8 *)out+n1, ztablep=ztable28,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1 = ztablep[ *inp ];
			*out2++ = *out1++;
			}
		}
	}

zoom8_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte8 *out1, *out2, *ztablep;
	int i2, nn;

	nn = n1;
	for (out1=(Byte8 *)out, out2=(Byte8 *)out+n1, ztablep=ztable18,
		rowp=in, i2=0; i2 < n2; i2++, rowp=end,
		out1+=nn, out2+=nn)
		{
		for (inp=rowp, end=rowp+n1; inp < end; inp++)
			{
			*out1 = ztablep[ *inp ];
			*out2++ = *out1++;
			}
		}
	}

zoom1n_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte *out1, *out2;
	int i2, nn, n3, izoom1;

	n3 = ZoomLen (n1, zoom1) / zoom1;
	nn = n3 * zoom1;
	for (izoom1=0; izoom1 < zoom1; izoom1++)
		{
		for (out1=out+izoom1, out2=out+nn+izoom1,
			i2=0; i2 < n2; i2++,
			out1+=nn, out2+=nn)
			{
			for (inp=in+i2*n1, end=inp+n3; inp < end; inp++,
				out1+=zoom1, out2+=zoom1)
				{
				*out1 = *inp;
				*out2 = *inp;
				}
			}
		}
	}

zoom2n_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte2 *out1, *out2, *ztablep;
	int i2, nn, n3, izoom1;

	zoom1 /= 2;
	n3 = ZoomLen (n1, zoom1) / zoom1;
	nn = n3 * zoom1;
	for (izoom1=0; izoom1 < zoom1; izoom1++)
		{
		for (out1=(Byte2 *)out+izoom1, out2=(Byte2 *)out+nn+izoom1, ztablep=ztable12,
			i2=0; i2 < n2; i2++,
			out1+=nn, out2+=nn)
			{
			for (inp=in+i2*n1, end=inp+n3; inp < end; inp++,
				out1+=zoom1, out2+=zoom1)
				{
				*out1 = ztablep[ *inp ];
				*out2 = *out1;
				}
			}
		}
	}

zoom4n_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte4 *out1, *out2, *ztablep;
	int i2, nn, n3, izoom1;

	zoom1 /= 4;
	n3 = ZoomLen (n1, zoom1) / zoom1;
	nn = n3 * zoom1;
	for (izoom1=0; izoom1 < zoom1; izoom1++)
		{
		for (out1=(Byte4 *)out+izoom1, out2=(Byte4 *)out+nn+izoom1, ztablep=ztable14,
			i2=0; i2 < n2; i2++,
			out1+=nn, out2+=nn)
			{
			for (inp=in+i2*n1, end=inp+n3; inp < end; inp++,
				out1+=zoom1, out2+=zoom1)
				{
				*out1 = ztablep[ *inp ];
				*out2 = *out1;
				}
			}
		}
	}

zoom8n_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte8 *out1, *out2, *ztablep;
	int i2, nn, n3, izoom1;

	zoom1 /= 8;
	n3 = ZoomLen (n1, zoom1) / zoom1;
	nn = n3 * zoom1;
	for (izoom1=0; izoom1 < zoom1; izoom1++)
		{
		for (out1=(Byte8 *)out+izoom1, out2=(Byte8 *)out+nn+izoom1, ztablep=ztable18,
			i2=0; i2 < n2; i2++,
			out1+=nn, out2+=nn)
			{
			for (inp=in+i2*n1, end=inp+n3; inp < end; inp++,
				out1+=zoom1, out2+=zoom1)
				{
				*out1 = ztablep[ *inp ];
				*out2 = *out1;
				}
			}
		}
	}

zoommn_2 (in,out,n1,n2,zoom1,zoom2)
Byte *in, *out;
int n1, n2, zoom1, zoom2;
	{
	register Byte *inp, *end, *rowp;
	register Byte *out1, *out2;
	register int zm1;
	int i2, nn, n3;

	zm1 = 1 - zoom1;
	nn = ZoomLen (n1, zoom1);
	for (out1=out, out2=out+nn,
		i2=0; i2 < n2; i2++,
		out1+=nn, out2+=nn)
		{
		for (inp=in+i2*n1, end=inp+nn*zm1; inp < end; inp+=zm1)
			{
			*out1 = *inp;
			*out2++ = *out1++;
			}
		}
	}