/*
* check_rotate - Make sure the rotate actually works.
* The orig array should not have been tampered with!
*/
static int check_rotate(int dim)
{
int err = 0;
int i, j;
int badi = 0;
int badj = 0;
pixel orig_bad = {0}, res_bad = {0};
/* return 1 if the original image has been changed */
if (check_orig(dim))
return 1;
for (i = 0; i < dim; i++)
for (j = 0; j < dim; j++)
if (compare_pixels(orig[RIDX(i,j,dim)],
result[RIDX(dim-1-j,i,dim)])) {
err++;
badi = i;
badj = j;
orig_bad = orig[RIDX(i,j,dim)];
res_bad = result[RIDX(dim-1-j,i,dim)];
}
if (err) {
printf("\n");
printf("ERROR: Dimension=%d, %d errors\n", dim, err);
printf("E.g., The following two pixels should have equal value:\n");
printf("src[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
badi, badj, orig_bad.red, orig_bad.green, orig_bad.blue);
printf("dst[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
(dim-1-badj), badi, res_bad.red, res_bad.green, res_bad.blue);
}
return err;
}
/*
* check_smooth - Make sure the smooth function actually works. The
* orig array should not have been tampered with!
*/
static int check_smooth(int dim) {
int err = 0;
int i, j;
int badi = 0;
int badj = 0;
pixel right, wrong;
/* +++++ egm 10/26/2005
* Added initialization code to quiet warnings
* from gcc 4.0.2 compiler.
* -----
*/
right.red = right.green = right.blue = 0;
wrong.red = wrong.green = wrong.blue = 0;
/* return 1 if original image has been changed */
if (check_orig(dim))
return 1;
for (i = 0; i < dim; i++) {
for (j = 0; j < dim; j++) {
pixel smoothed = check_average(dim, i, j, orig);
if (compare_pixels(result[RIDX(i,j,dim)], smoothed)) {
err++;
badi = i;
badj = j;
wrong = result[RIDX(i,j,dim)];
right = smoothed;
}
}
}
if (err) {
printf("\n");
printf("ERROR: Dimension=%d, %d errors\n", dim, err);
printf("E.g., \n");
printf("You have dst[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
badi, badj, wrong.red, wrong.green, wrong.blue);
printf("It should be dst[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
badi, badj, right.red, right.green, right.blue);
}
return err;
}
/*
* check_rotate - Make sure the rotate actually works.
* The orig array should not have been tampered with!
*/
static int check_rotate(int dim)
{
int err = 0;
int i, j;
int badi = 0;
int badj = 0;
pixel orig_bad, res_bad;
/* +++++ egm 10/26/2005
* Added initialization code to quiet warnings
* from gcc 4.0.2 compiler.
* -----
*/
orig_bad.red = orig_bad.green = orig_bad.blue = 0;
res_bad.red = res_bad.green = res_bad.blue = 0;
/* return 1 if the original image has been changed */
if (check_orig(dim))
return 1;
for (i = 0; i < dim; i++)
for (j = 0; j < dim; j++)
if (compare_pixels(orig[RIDX(i,j,dim)],
result[RIDX(dim-1-j,i,dim)])) {
err++;
badi = i;
badj = j;
orig_bad = orig[RIDX(i,j,dim)];
res_bad = result[RIDX(dim-1-j,i,dim)];
}
if (err) {
printf("\n");
printf("ERROR: Dimension=%d, %d errors\n", dim, err);
printf("E.g., The following two pixels should have equal value:\n");
printf("src[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
badi, badj, orig_bad.red, orig_bad.green, orig_bad.blue);
printf("dst[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
(dim-1-badj), badi, res_bad.red, res_bad.green, res_bad.blue);
}
return err;
}