102 lines
2.0 KiB
C
102 lines
2.0 KiB
C
/*
|
|
pov_hf15e.c
|
|
===========
|
|
|
|
opérations de morphologie mathématique appliquées
|
|
aux height-fields.
|
|
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "../tthimage.h"
|
|
|
|
/*::------------------------------------------------------------------::*/
|
|
static struct
|
|
{
|
|
int x, y;
|
|
} off[] =
|
|
{
|
|
{ -1, -1 },
|
|
{ 0, -1 },
|
|
{ 1, -1 },
|
|
{ -1, 0 },
|
|
{ 0, 0 },
|
|
{ 1, 0 },
|
|
{ -1, 1 },
|
|
{ 0, 1 },
|
|
{ 1, 1 }
|
|
};
|
|
/*::------------------------------------------------------------------::*/
|
|
/*
|
|
* le paramètre 'coef' n'est pas utilisé. D'ailleurs, je ne vois
|
|
* pas trop quoi y mettre ?
|
|
*/
|
|
int
|
|
Image_hf15_dilate(Image_Desc *src, Image_Desc *dst, int coef)
|
|
{
|
|
int foo;
|
|
int x, y, h, hmax;
|
|
|
|
if ( (foo=Image_compare_desc(src, dst)) )
|
|
{
|
|
fprintf(stderr, "Image hf15 dilate: images differents %d\n", foo);
|
|
return foo;
|
|
}
|
|
|
|
for (y=1; y<dst->height-1; y++)
|
|
{
|
|
for (x=1; x<dst->width-1; x++)
|
|
{
|
|
hmax = -1664;
|
|
for (foo=0; foo<9; foo++)
|
|
{
|
|
h = Image_hf15_height(src, x+off[foo].x, y+off[foo].y);
|
|
if (h > hmax) hmax = h;
|
|
}
|
|
Image_hf15_plot(dst, x, y, hmax);
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_BETA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/*
|
|
* le paramètre 'coef' n'est pas utilisé.
|
|
*/
|
|
int
|
|
Image_hf15_erode(Image_Desc *src, Image_Desc *dst, int coef)
|
|
{
|
|
int foo;
|
|
int x, y, h, hmin;
|
|
|
|
if ( (foo=Image_compare_desc(src, dst)) )
|
|
{
|
|
fprintf(stderr, "Image hf15 erode: images differents %d\n", foo);
|
|
return foo;
|
|
}
|
|
|
|
for (y=1; y<dst->height-1; y++)
|
|
{
|
|
for (x=1; x<dst->width-1; x++)
|
|
{
|
|
hmin = 42042;
|
|
for (foo=0; foo<9; foo++)
|
|
{
|
|
h = Image_hf15_height(src, x+off[foo].x, y+off[foo].y);
|
|
if (h < hmin) hmin = h;
|
|
}
|
|
Image_hf15_plot(dst, x, y, hmin);
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_BETA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/*
|
|
* Et maintenant, il reste à coder le chapeau haut-de-forme
|
|
*/
|
|
/*::------------------------------------------------------------------::*/
|
|
|