#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "traster.h"
/*
#include "img.h"
#include "file.h"
#include "toonz.h"
#include "raster.h"
#include "tmsg.h"
#include "copP.h"*/
#ifdef MACOSX
#define TRUE 1
#define FALSE 0
#endif
/*------------------------------------------------------------------------*/
namespace
{
UCHAR First_preseed_table[256] =
{8, 0, 1, 0, 2, 2, 1, 0, 3, 3, 3, 3, 2, 2, 3, 3,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 3, 3, 2, 2, 3, 3,
5, 5, 1, 5, 2, 2, 1, 5, 5, 5, 5, 5, 2, 2, 5, 5,
4, 4, 1, 5, 2, 2, 1, 5, 4, 4, 5, 5, 2, 2, 5, 5,
6, 6, 1, 6, 2, 2, 1, 6, 6, 6, 6, 6, 2, 2, 6, 6,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 8, 8, 2, 2, 8, 8,
6, 6, 1, 6, 2, 2, 1, 6, 6, 6, 6, 6, 2, 2, 6, 6,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 8, 8, 2, 2, 8, 8,
7, 7, 1, 7, 2, 2, 1, 7, 7, 7, 7, 7, 2, 2, 7, 7,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 3, 3, 2, 2, 3, 3,
7, 7, 1, 7, 2, 2, 1, 7, 7, 7, 7, 7, 2, 2, 7, 7,
4, 4, 1, 5, 2, 2, 1, 5, 4, 4, 5, 5, 2, 2, 5, 5,
7, 7, 1, 7, 2, 2, 1, 7, 7, 7, 7, 7, 2, 2, 7, 7,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 8, 8, 2, 2, 8, 8,
7, 7, 1, 7, 2, 2, 1, 7, 7, 7, 7, 7, 2, 2, 7, 7,
4, 4, 1, 0, 2, 2, 1, 0, 4, 4, 8, 8, 2, 2, 8, 8};
static UCHAR Next_point_table[2048] =
{8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 2, 2,
2, 2, 1, 2, 2, 2, 2, 2, 2, 0, 1, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0,
3, 3, 1, 1, 1, 1, 1, 1, 3, 0, 1, 1, 1, 1, 1, 1,
3, 3, 3, 2, 2, 2, 2, 2, 3, 0, 0, 2, 2, 2, 2, 2,
3, 3, 1, 2, 2, 2, 2, 2, 3, 0, 1, 2, 2, 2, 2, 2,
4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 4, 0, 4, 4, 4,
4, 4, 1, 4, 1, 4, 4, 4, 4, 0, 1, 4, 1, 4, 4, 4,
4, 4, 4, 4, 2, 4, 4, 4, 4, 0, 0, 4, 2, 4, 4, 4,
4, 4, 1, 4, 2, 4, 4, 4, 4, 0, 1, 4, 2, 4, 4, 4,
3, 3, 3, 4, 3, 4, 4, 4, 3, 0, 0, 4, 0, 4, 4, 4,
3, 3, 1, 4, 1, 4, 4, 4, 3, 0, 1, 4, 1, 4, 4, 4,
3, 3, 3, 4, 2, 4, 4, 4, 3, 0, 0, 4, 2, 4, 4, 4,
3, 3, 1, 4, 2, 4, 4, 4, 3, 0, 1, 4, 2, 4, 4, 4,
5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 0, 5, 0, 0, 0, 0,
5, 5, 1, 5, 1, 1, 1, 1, 5, 0, 1, 5, 1, 1, 1, 1,
5, 5, 5, 5, 2, 2, 2, 2, 5, 0, 0, 5, 2, 2, 2, 2,
5, 5, 1, 5, 2, 2, 2, 2, 5, 0, 1, 5, 2, 2, 2, 2,
3, 3, 3, 5, 3, 3, 3, 3, 3, 0, 0, 5, 0, 0, 0, 0,
3, 3, 1, 5, 1, 1, 1, 1, 3, 0, 1, 5, 1, 1, 1, 1,
3, 3, 3, 5, 2, 2, 2, 2, 3, 0, 0, 5, 2, 2, 2, 2,
3, 3, 1, 5, 2, 2, 2, 2, 3, 0, 1, 5, 2, 2, 2, 2,
5, 5, 5, 5, 5, 4, 4, 4, 5, 0, 0, 5, 0, 4, 4, 4,
5, 5, 1, 5, 1, 4, 4, 4, 5, 0, 1, 5, 1, 4, 4, 4,
5, 5, 5, 5, 2, 4, 4, 4, 5, 0, 0, 5, 2, 4, 4, 4,
5, 5, 1, 5, 2, 4, 4, 4, 5, 0, 1, 5, 2, 4, 4, 4,
3, 3, 3, 5, 3, 4, 4, 4, 3, 0, 0, 5, 0, 4, 4, 4,
3, 3, 1, 5, 1, 4, 4, 4, 3, 0, 1, 5, 1, 4, 4, 4,
3, 3, 3, 5, 2, 4, 4, 4, 3, 0, 0, 5, 2, 4, 4, 4,
3, 3, 1, 5, 2, 4, 4, 4, 3, 0, 1, 5, 2, 4, 4, 4,
6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 0, 6, 0, 6, 0, 0,
6, 6, 1, 6, 1, 6, 1, 1, 6, 0, 1, 6, 1, 6, 1, 1,
6, 6, 6, 6, 2, 6, 2, 2, 6, 0, 0, 6, 2, 6, 2, 2,
6, 6, 1, 6, 2, 6, 2, 2, 6, 0, 1, 6, 2, 6, 2, 2,
3, 3, 3, 6, 3, 6, 3, 3, 3, 0, 0, 6, 0, 6, 0, 0,
3, 3, 1, 6, 1, 6, 1, 1, 3, 0, 1, 6, 1, 6, 1, 1,
3, 3, 3, 6, 2, 6, 2, 2, 3, 0, 0, 6, 2, 6, 2, 2,
3, 3, 1, 6, 2, 6, 2, 2, 3, 0, 1, 6, 2, 6, 2, 2,
6, 6, 6, 6, 6, 6, 4, 4, 6, 0, 0, 6, 0, 6, 4, 4,
6, 6, 1, 6, 1, 6, 4, 4, 6, 0, 1, 6, 1, 6, 4, 4,
6, 6, 6, 6, 2, 6, 4, 4, 6, 0, 0, 6, 2, 6, 4, 4,
6, 6, 1, 6, 2, 6, 4, 4, 6, 0, 1, 6, 2, 6, 4, 4,
3, 3, 3, 6, 3, 6, 4, 4, 3, 0, 0, 6, 0, 6, 4, 4,
3, 3, 1, 6, 1, 6, 4, 4, 3, 0, 1, 6, 1, 6, 4, 4,
3, 3, 3, 6, 2, 6, 4, 4, 3, 0, 0, 6, 2, 6, 4, 4,
3, 3, 1, 6, 2, 6, 4, 4, 3, 0, 1, 6, 2, 6, 4, 4,
5, 5, 5, 5, 5, 6, 5, 5, 5, 0, 0, 5, 0, 6, 0, 0,
5, 5, 1, 5, 1, 6, 1, 1, 5, 0, 1, 5, 1, 6, 1, 1,
5, 5, 5, 5, 2, 6, 2, 2, 5, 0, 0, 5, 2, 6, 2, 2,
5, 5, 1, 5, 2, 6, 2, 2, 5, 0, 1, 5, 2, 6, 2, 2,
3, 3, 3, 5, 3, 6, 3, 3, 3, 0, 0, 5, 0, 6, 0, 0,
3, 3, 1, 5, 1, 6, 1, 1, 3, 0, 1, 5, 1, 6, 1, 1,
3, 3, 3, 5, 2, 6, 2, 2, 3, 0, 0, 5, 2, 6, 2, 2,
3, 3, 1, 5, 2, 6, 2, 2, 3, 0, 1, 5, 2, 6, 2, 2,
5, 5, 5, 5, 5, 6, 4, 4, 5, 0, 0, 5, 0, 6, 4, 4,
5, 5, 1, 5, 1, 6, 4, 4, 5, 0, 1, 5, 1, 6, 4, 4,
5, 5, 5, 5, 2, 6, 4, 4, 5, 0, 0, 5, 2, 6, 4, 4,
5, 5, 1, 5, 2, 6, 4, 4, 5, 0, 1, 5, 2, 6, 4, 4,
3, 3, 3, 5, 3, 6, 4, 4, 3, 0, 0, 5, 0, 6, 4, 4,
3, 3, 1, 5, 1, 6, 4, 4, 3, 0, 1, 5, 1, 6, 4, 4,
3, 3, 3, 5, 2, 6, 4, 4, 3, 0, 0, 5, 2, 6, 4, 4,
3, 3, 1, 5, 2, 6, 4, 4, 3, 0, 1, 5, 2, 6, 4, 4,
7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 0, 7, 0, 7, 7, 0,
7, 7, 1, 7, 1, 7, 7, 1, 7, 0, 1, 7, 1, 7, 7, 1,
7, 7, 7, 7, 2, 7, 7, 2, 7, 0, 0, 7, 2, 7, 7, 2,
7, 7, 1, 7, 2, 7, 7, 2, 7, 0, 1, 7, 2, 7, 7, 2,
3, 3, 3, 7, 3, 7, 7, 3, 3, 0, 0, 7, 0, 7, 7, 0,
3, 3, 1, 7, 1, 7, 7, 1, 3, 0, 1, 7, 1, 7, 7, 1,
3, 3, 3, 7, 2, 7, 7, 2, 3, 0, 0, 7, 2, 7, 7, 2,
3, 3, 1, 7, 2, 7, 7, 2, 3, 0, 1, 7, 2, 7, 7, 2,
7, 7, 7, 7, 7, 7, 7, 4, 7, 0, 0, 7, 0, 7, 7, 4,
7, 7, 1, 7, 1, 7, 7, 4, 7, 0, 1, 7, 1, 7, 7, 4,
7, 7, 7, 7, 2, 7, 7, 4, 7, 0, 0, 7, 2, 7, 7, 4,
7, 7, 1, 7, 2, 7, 7, 4, 7, 0, 1, 7, 2, 7, 7, 4,
3, 3, 3, 7, 3, 7, 7, 4, 3, 0, 0, 7, 0, 7, 7, 4,
3, 3, 1, 7, 1, 7, 7, 4, 3, 0, 1, 7, 1, 7, 7, 4,
3, 3, 3, 7, 2, 7, 7, 4, 3, 0, 0, 7, 2, 7, 7, 4,
3, 3, 1, 7, 2, 7, 7, 4, 3, 0, 1, 7, 2, 7, 7, 4,
5, 5, 5, 5, 5, 7, 7, 5, 5, 0, 0, 5, 0, 7, 7, 0,
5, 5, 1, 5, 1, 7, 7, 1, 5, 0, 1, 5, 1, 7, 7, 1,
5, 5, 5, 5, 2, 7, 7, 2, 5, 0, 0, 5, 2, 7, 7, 2,
5, 5, 1, 5, 2, 7, 7, 2, 5, 0, 1, 5, 2, 7, 7, 2,
3, 3, 3, 5, 3, 7, 7, 3, 3, 0, 0, 5, 0, 7, 7, 0,
3, 3, 1, 5, 1, 7, 7, 1, 3, 0, 1, 5, 1, 7, 7, 1,
3, 3, 3, 5, 2, 7, 7, 2, 3, 0, 0, 5, 2, 7, 7, 2,
3, 3, 1, 5, 2, 7, 7, 2, 3, 0, 1, 5, 2, 7, 7, 2,
5, 5, 5, 5, 5, 7, 7, 4, 5, 0, 0, 5, 0, 7, 7, 4,
5, 5, 1, 5, 1, 7, 7, 4, 5, 0, 1, 5, 1, 7, 7, 4,
5, 5, 5, 5, 2, 7, 7, 4, 5, 0, 0, 5, 2, 7, 7, 4,
5, 5, 1, 5, 2, 7, 7, 4, 5, 0, 1, 5, 2, 7, 7, 4,
3, 3, 3, 5, 3, 7, 7, 4, 3, 0, 0, 5, 0, 7, 7, 4,
3, 3, 1, 5, 1, 7, 7, 4, 3, 0, 1, 5, 1, 7, 7, 4,
3, 3, 3, 5, 2, 7, 7, 4, 3, 0, 0, 5, 2, 7, 7, 4,
3, 3, 1, 5, 2, 7, 7, 4, 3, 0, 1, 5, 2, 7, 7, 4,
6, 6, 6, 6, 6, 6, 7, 6, 6, 0, 0, 6, 0, 6, 7, 0,
6, 6, 1, 6, 1, 6, 7, 1, 6, 0, 1, 6, 1, 6, 7, 1,
6, 6, 6, 6, 2, 6, 7, 2, 6, 0, 0, 6, 2, 6, 7, 2,
6, 6, 1, 6, 2, 6, 7, 2, 6, 0, 1, 6, 2, 6, 7, 2,
3, 3, 3, 6, 3, 6, 7, 3, 3, 0, 0, 6, 0, 6, 7, 0,
3, 3, 1, 6, 1, 6, 7, 1, 3, 0, 1, 6, 1, 6, 7, 1,
3, 3, 3, 6, 2, 6, 7, 2, 3, 0, 0, 6, 2, 6, 7, 2,
3, 3, 1, 6, 2, 6, 7, 2, 3, 0, 1, 6, 2, 6, 7, 2,
6, 6, 6, 6, 6, 6, 7, 4, 6, 0, 0, 6, 0, 6, 7, 4,
6, 6, 1, 6, 1, 6, 7, 4, 6, 0, 1, 6, 1, 6, 7, 4,
6, 6, 6, 6, 2, 6, 7, 4, 6, 0, 0, 6, 2, 6, 7, 4,
6, 6, 1, 6, 2, 6, 7, 4, 6, 0, 1, 6, 2, 6, 7, 4,
3, 3, 3, 6, 3, 6, 7, 4, 3, 0, 0, 6, 0, 6, 7, 4,
3, 3, 1, 6, 1, 6, 7, 4, 3, 0, 1, 6, 1, 6, 7, 4,
3, 3, 3, 6, 2, 6, 7, 4, 3, 0, 0, 6, 2, 6, 7, 4,
3, 3, 1, 6, 2, 6, 7, 4, 3, 0, 1, 6, 2, 6, 7, 4,
5, 5, 5, 5, 5, 6, 7, 5, 5, 0, 0, 5, 0, 6, 7, 0,
5, 5, 1, 5, 1, 6, 7, 1, 5, 0, 1, 5, 1, 6, 7, 1,
5, 5, 5, 5, 2, 6, 7, 2, 5, 0, 0, 5, 2, 6, 7, 2,
5, 5, 1, 5, 2, 6, 7, 2, 5, 0, 1, 5, 2, 6, 7, 2,
3, 3, 3, 5, 3, 6, 7, 3, 3, 0, 0, 5, 0, 6, 7, 0,
3, 3, 1, 5, 1, 6, 7, 1, 3, 0, 1, 5, 1, 6, 7, 1,
3, 3, 3, 5, 2, 6, 7, 2, 3, 0, 0, 5, 2, 6, 7, 2,
3, 3, 1, 5, 2, 6, 7, 2, 3, 0, 1, 5, 2, 6, 7, 2,
5, 5, 5, 5, 5, 6, 7, 4, 5, 0, 0, 5, 0, 6, 7, 4,
5, 5, 1, 5, 1, 6, 7, 4, 5, 0, 1, 5, 1, 6, 7, 4,
5, 5, 5, 5, 2, 6, 7, 4, 5, 0, 0, 5, 2, 6, 7, 4,
5, 5, 1, 5, 2, 6, 7, 4, 5, 0, 1, 5, 2, 6, 7, 4,
3, 3, 3, 5, 3, 6, 7, 4, 3, 0, 0, 5, 0, 6, 7, 4,
3, 3, 1, 5, 1, 6, 7, 4, 3, 0, 1, 5, 1, 6, 7, 4,
3, 3, 3, 5, 2, 6, 7, 4, 3, 0, 0, 5, 2, 6, 7, 4,
3, 3, 1, 5, 2, 6, 7, 4, 3, 0, 1, 5, 2, 6, 7, 4};
/*------------------------------------------------------------------------*/
int Lx;
int Displace_vector[8];
#define E_PIX(pix) \
(*(pix + 1))
#define W_PIX(pix) \
(*(pix - 1))
#define N_PIX(pix) \
(*(pix + Lx))
#define S_PIX(pix) \
(*(pix - Lx))
#define SW_PIX(pix) \
(*(pix - Lx - 1))
#define NW_PIX(pix) \
(*(pix + Lx - 1))
#define NE_PIX(pix) \
(*(pix + Lx + 1))
#define SE_PIX(pix) \
(*(pix - Lx + 1))
#define NEIGHBOURS_CODE(pix) \
(((SW_PIX(pix) != 0) << 0) | \
((S_PIX(pix) != 0) << 1) | \
((SE_PIX(pix) != 0) << 2) | \
((W_PIX(pix) != 0) << 3) | \
((E_PIX(pix) != 0) << 4) | \
((NW_PIX(pix) != 0) << 5) | \
((N_PIX(pix) != 0) << 6) | \
((NE_PIX(pix) != 0) << 7))
/*------------------------------------------------------------------------*/
#define FIRST_PRESEED(code) \
First_preseed_table[code]
/*------------------------------------------------------------------------*/
#define NEXT_POINT(code, preseed) \
Next_point_table[(code << 3) | preseed]
/*------------------------------------------------------------------------*/
#define UPDATE_POS(displ_code, x_pos, y_pos) \
switch (displ_code) { \
CASE 0 : x_pos--; \
y_pos--; \
CASE 1 : y_pos--; \
CASE 2 : x_pos++; \
y_pos--; \
CASE 3 : x_pos--; \
CASE 4 : x_pos++; \
CASE 5 : x_pos--; \
y_pos++; \
CASE 6 : y_pos++; \
CASE 7 : x_pos++; \
y_pos++; \
DEFAULT: \
assert(FALSE); \
}
/*------------------------------------------------------------------------*/
/*=============================================================================*/
/*---------------------------------------------------------------------------*/
static int fillByteRaster(const TRaster32P &rin, TRasterGR8P &rout)
{
bool ret = false;
assert(rin->getLx() == rout->getLx() - 2 && rin->getLy() == rout->getLy() - 2);
memset(rout->getRawData(), 0, rout->getLx() * rout->getLy());
for (int i = 0; i < rin->getLy(); i++) {
TPixel32 *bufIn = (TPixel32 *)rin->getRawData() + i * rin->getWrap();
UCHAR *bufOut = (UCHAR *)rout->getRawData() + (i + 1) * rout->getWrap() + 1;
for (int j = 0; j < rin->getLx(); j++, bufIn++, bufOut++)
if (bufIn->m != 0) {
ret = true;
*bufOut = 1;
}
}
return ret;
}
/*---------------------------------------------------------------------------*/
static void initialize_displace_vector(void)
{
Displace_vector[0] = -Lx - 1;
Displace_vector[1] = -Lx;
Displace_vector[2] = -Lx + 1;
Displace_vector[3] = -1;
Displace_vector[4] = +1;
Displace_vector[5] = Lx - 1;
Displace_vector[6] = Lx;
Displace_vector[7] = Lx + 1;
}
/*------------------------------------------------------------------------*/
static int find_next_seed(const TRasterGR8P &r, int first_seed,
UCHAR *&seed, int &x_pos, int &y_pos)
{
static int Curr_x = 0, Curr_y = 0;
UCHAR *pix;
if (first_seed) {
Curr_x = 0;
Curr_y = 0;
}
seed = 0;
for (; Curr_y < r->getLy(); Curr_y++) {
pix = (UCHAR *)r->getRawData() + Curr_y * r->getWrap() + Curr_x;
for (; Curr_x < r->getLx(); Curr_x++, pix++)
if (*pix == 1 &&
(!E_PIX(pix) ||
!W_PIX(pix) ||
!N_PIX(pix) ||
!S_PIX(pix))) {
seed = pix;
x_pos = Curr_x;
y_pos = Curr_y;
return true;
}
Curr_x = 0;
}
return false;
}
/*------------------------------------------------------------------------*/
#define COMPUTE_NUM_DEN(x_pos, y_pos, old_x_pos, old_y_pos) \
{ \
aux = old_x_pos * y_pos - x_pos * old_y_pos; \
den += aux; \
x_num += (x_pos + old_x_pos) * aux; \
y_num += (y_pos + old_y_pos) * aux; \
}
/*------------------------------------------------------------------------*/
void doComputeCentroid(const TRasterGR8P &r, TPoint &cp)
{
int preseed, displ, prewalker, code;
UCHAR *seed, *walker;
int x_num = 0, y_num = 0, den = 0;
int x_pos, y_pos, old_x_pos, old_y_pos;
int aux, old_displ = -1;
int first_seed;
Lx = r->getLx();
Displace_vector[0] = -Lx - 1;
Displace_vector[1] = -Lx;
Displace_vector[2] = -Lx + 1;
Displace_vector[3] = -1;
Displace_vector[4] = +1;
Displace_vector[5] = Lx - 1;
Displace_vector[6] = Lx;
Displace_vector[7] = Lx + 1;
first_seed = TRUE;
while (find_next_seed(r, first_seed, seed, x_pos, y_pos)) {
first_seed = FALSE;
*seed |= 0x2;
code = NEIGHBOURS_CODE(seed);
preseed = FIRST_PRESEED(code);
if (preseed == 8)
continue;
displ = NEXT_POINT(code, preseed);
walker = seed + Displace_vector[displ];
old_x_pos = x_pos;
old_y_pos = y_pos;
UPDATE_POS(displ, x_pos, y_pos)
COMPUTE_NUM_DEN(x_pos, y_pos, old_x_pos, old_y_pos)
prewalker = displ ^ 0x7;
while ((walker != seed) || (preseed != prewalker)) {
*walker |= 0x2;
displ = NEXT_POINT(NEIGHBOURS_CODE(walker), prewalker);
walker += Displace_vector[displ];
old_x_pos = x_pos;
old_y_pos = y_pos;
UPDATE_POS(displ, x_pos, y_pos)
COMPUTE_NUM_DEN(x_pos, y_pos, old_x_pos, old_y_pos)
prewalker = displ ^ 0x7;
}
}
if (den)
cp = TPoint(tround(x_num / (3.0 * den)), tround(y_num / (3.0 * den)));
}
} //namespace
TPoint computeCentroid(const TRaster32P &r)
{
TPoint ret(1, 1);
TRasterGR8P raux(r->getLx() + 2, r->getLy() + 2);
if (fillByteRaster(r, raux))
doComputeCentroid(raux, ret);
ret.x--;
ret.y--; /* per il bordo aggiunto */
return ret;
}