misc.c File Reference

#include <stdio.h>
#include <math.h>
#include <ctype.h>

Include dependency graph for misc.c:

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Functions
void	rotate_i2 (unsigned short *, int)
void	rotate_ch (unsigned char *, int)
void	rotate_i4 (unsigned int *, int)
void	rotate_i4_anti (unsigned int *, int)
void	rotate_i2_anti (unsigned short *, int)
void	rotate_ch_anti (unsigned char *, int)
void	wtext (int, char *)

---

Function Documentation

void rotate_ch	(	unsigned char *	data,
		int	nx
	)

Definition at line 264 of file misc.c.

References i, and j.

{
  register unsigned char  *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int            i, j;
  int                     nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;          /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i;     /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j;     /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;          /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: clockwise rotation by 90.0 */
      temp  = *ptr4;
      *ptr4 = *ptr3;
      *ptr3 = *ptr2;
      *ptr2 = *ptr1;
      *ptr1 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void rotate_ch_anti	(	unsigned char *	data,
		int	nx
	)

Definition at line 132 of file misc.c.

References i, and j.

{
  register unsigned char *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int            i, j;
  int                     nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;          /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i;     /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j;     /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;          /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: anticlockwise rotation by 90.0 */
      temp  = *ptr1;
      *ptr1 = *ptr2;
      *ptr2 = *ptr3;
      *ptr3 = *ptr4;
      *ptr4 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void rotate_i2	(	unsigned short *	data,
		int	nx
	)

Definition at line 220 of file misc.c.

References i, and j.

{
  register unsigned short *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int            i, j;
  int                     nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;          /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i;     /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j;     /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;          /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: clockwise rotation by 90.0 */
      temp  = *ptr4;
      *ptr4 = *ptr3;
      *ptr3 = *ptr2;
      *ptr2 = *ptr1;
      *ptr1 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void rotate_i2_anti	(	unsigned short *	data,
		int	nx
	)

Definition at line 88 of file misc.c.

References i, and j.

{
  register unsigned short *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int            i, j;
  int                     nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;          /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i;     /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j;     /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;          /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: anticlockwise rotation by 90.0 */
      temp  = *ptr1;
      *ptr1 = *ptr2;
      *ptr2 = *ptr3;
      *ptr3 = *ptr4;
      *ptr4 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void rotate_i4	(	unsigned int *	data,
		int	nx
	)

Definition at line 176 of file misc.c.

References i, and j.

Referenced by MarXF::output_image().

{
  register unsigned int         *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int          i, j;
  int                   nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;              /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i; /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j; /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;              /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: clockwise rotation by 90.0 */
      temp  = *ptr4;
      *ptr4 = *ptr3;
      *ptr3 = *ptr2;
      *ptr2 = *ptr1;
      *ptr1 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void rotate_i4_anti	(	unsigned int *	data,
		int	nx
	)

Definition at line 44 of file misc.c.

References i, and j.

Referenced by MarXF::output_image().

{
  register unsigned int *ptr1, *ptr2, *ptr3, *ptr4, temp;
  register int            i, j;
  int                     nx2 = (nx+1)/2;

  for ( i=nx/2; i--; ) {

    /* Set pointer addresses */

    j    = nx2 - 1;
    ptr1 = data + nx*i        + j;          /* 1. Quadrant */
    ptr2 = data + nx*j        + nx-1-i;     /* 2. Quadrant */
    ptr3 = data + nx*(nx-1-i) + nx-1-j;     /* 4. Quadrant */
    ptr4 = data + nx*(nx-1-j) + i;          /* 3. Quadrant */

    for ( j = nx2; j--; ) {

      /* Restack: anticlockwise rotation by 90.0 */
      temp  = *ptr1;
      *ptr1 = *ptr2;
      *ptr2 = *ptr3;
      *ptr3 = *ptr4;
      *ptr4 = temp;

      /* Increase pointer */
      ptr1 --;
      ptr2 -= nx;
      ptr3 ++;
      ptr4 += nx;
    }
  }
}

void wtext	(	int	type,
		char *	mess
	)

Definition at line 302 of file misc.c.

{
  /* extern FILE *fpout; */
  if ( type == 1 ) {
    fprintf( stdout, "mar345 ERROR: %s\n", mess );
  }
  else {
    fprintf( stdout, "mar345 WARNING: %s\n", mess );
  }
}