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path: root/tags/Version Original/ARToolkit/lib/SRC/AR/arLabeling.c
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-rwxr-xr-xtags/Version Original/ARToolkit/lib/SRC/AR/arLabeling.c787
1 files changed, 0 insertions, 787 deletions
diff --git a/tags/Version Original/ARToolkit/lib/SRC/AR/arLabeling.c b/tags/Version Original/ARToolkit/lib/SRC/AR/arLabeling.c
deleted file mode 100755
index e7c050a..0000000
--- a/tags/Version Original/ARToolkit/lib/SRC/AR/arLabeling.c
+++ /dev/null
@@ -1,787 +0,0 @@
-/*******************************************************
- *
- * Author: Hirokazu Kato
- *
- * kato@sys.im.hiroshima-cu.ac.jp
- *
- * Revision: 3.1
- * Date: 01/12/07
- *
- *
- * modified by Thomas Pintaric [tp], Vienna University of Technology
- **********************************************************************/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <AR/ar.h>
-
-#ifdef _WIN32
-# include <windows.h>
-# define put_zero(p,s) ZeroMemory(p, s)
-#else
-# include <string.h>
-# define put_zero(p,s) memset((void *)p, 0, s)
-#endif
-
-#define USE_OPTIMIZATIONS
-#define WORK_SIZE 1024*32
-
-/*****************************************************************************/
-// BUG in ARToolkit 2.65
-// Hardcoded buffer (600*500) is too small for full-size DV-PAL/NTSC resolutions of
-// 720x576 and 720x480, respectively. Results in segment faults.
-/*
-static ARInt16 l_imageL[640*500];
-static ARInt16 l_imageR[640*500];
-*/
-
-#define HARDCODED_BUFFER_WIDTH 1024
-#define HARDCODED_BUFFER_HEIGHT 1024
-
-static ARInt16 l_imageL[HARDCODED_BUFFER_WIDTH*HARDCODED_BUFFER_HEIGHT];
-static ARInt16 l_imageR[HARDCODED_BUFFER_WIDTH*HARDCODED_BUFFER_HEIGHT];
-/*****************************************************************************/
-
-
-static int workL[WORK_SIZE];
-static int workR[WORK_SIZE];
-static int work2L[WORK_SIZE*7];
-static int work2R[WORK_SIZE*7];
-
-static int wlabel_numL;
-static int wlabel_numR;
-static int wareaL[WORK_SIZE];
-static int wareaR[WORK_SIZE];
-static int wclipL[WORK_SIZE*4];
-static int wclipR[WORK_SIZE*4];
-static double wposL[WORK_SIZE*2];
-static double wposR[WORK_SIZE*2];
-
-static ARInt16 *labeling2( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref, int LorR );
-static ARInt16 *labeling3( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref, int LorR );
-
-void arGetImgFeature( int *num, int **area, int **clip, double **pos )
-{
- *num = wlabel_numL;
- *area = wareaL;
- *clip = wclipL;
- *pos = wposL;
-
- return;
-}
-
-ARInt16 *arLabeling( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref )
-{
- if( arDebug ) {
- return( labeling3(image, thresh, label_num,
- area, pos, clip, label_ref, 1) );
- } else {
- return( labeling2(image, thresh, label_num,
- area, pos, clip, label_ref, 1) );
- }
-}
-
-void arsGetImgFeature( int *num, int **area, int **clip, double **pos, int LorR )
-{
- if (LorR) {
- *num = wlabel_numL;
- *area = wareaL;
- *clip = wclipL;
- *pos = wposL;
- } else {
- *num = wlabel_numR;
- *area = wareaR;
- *clip = wclipR;
- *pos = wposR;
- }
-
- return;
-}
-
-ARInt16 *arsLabeling( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref, int LorR )
-{
- if( arDebug ) {
- return( labeling3(image, thresh, label_num,
- area, pos, clip, label_ref, LorR) );
- } else {
- return( labeling2(image, thresh, label_num,
- area, pos, clip, label_ref, LorR) );
- }
-}
-
-static ARInt16 *labeling2( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref, int LorR )
-{
- ARUint8 *pnt; /* image pointer */
- ARInt16 *pnt1, *pnt2; /* image pointer */
- int *wk; /* pointer for work */
- int wk_max; /* work */
- int m,n; /* work */
- int i,j,k; /* for loop */
- int lxsize, lysize;
- int poff;
- ARInt16 *l_image;
- int *work, *work2;
- int *wlabel_num;
- int *warea;
- int *wclip;
- double *wpos;
-#ifdef USE_OPTIMIZATIONS
- int pnt2_index; // [tp]
-#endif
- int thresht3 = thresh * 3;
-
- if (LorR) {
- l_image = &l_imageL[0];
- work = &workL[0];
- work2 = &work2L[0];
- wlabel_num = &wlabel_numL;
- warea = &wareaL[0];
- wclip = &wclipL[0];
- wpos = &wposL[0];
- } else {
- l_image = &l_imageR[0];
- work = &workR[0];
- work2 = &work2R[0];
- wlabel_num = &wlabel_numR;
- warea = &wareaR[0];
- wclip = &wclipR[0];
- wpos = &wposR[0];
- }
-
- if (arImageProcMode == AR_IMAGE_PROC_IN_HALF) {
- lxsize = arImXsize / 2;
- lysize = arImYsize / 2;
- } else {
- lxsize = arImXsize;
- lysize = arImYsize;
- }
-
- pnt1 = &l_image[0]; // Leftmost pixel of top row of image.
- pnt2 = &l_image[(lysize - 1)*lxsize]; // Leftmost pixel of bottom row of image.
-
-#ifndef USE_OPTIMIZATIONS
- for(i = 0; i < lxsize; i++) {
- *(pnt1++) = *(pnt2++) = 0;
- }
-#else
-// 4x loop unrolling
- for (i = 0; i < lxsize - (lxsize%4); i += 4) {
- *(pnt1++) = *(pnt2++) = 0;
- *(pnt1++) = *(pnt2++) = 0;
- *(pnt1++) = *(pnt2++) = 0;
- *(pnt1++) = *(pnt2++) = 0;
- }
-#endif
- pnt1 = &l_image[0]; // Leftmost pixel of top row of image.
- pnt2 = &l_image[lxsize - 1]; // Rightmost pixel of top row of image.
-
-#ifndef USE_OPTIMIZATIONS
- for(i = 0; i < lysize; i++) {
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
- }
-#else
-// 4x loop unrolling
- for (i = 0; i < lysize - (lysize%4); i += 4) {
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
-
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
-
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
-
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
- }
-#endif
-
- wk_max = 0;
- pnt2 = &(l_image[lxsize+1]);
- if (arImageProcMode == AR_IMAGE_PROC_IN_HALF) {
- pnt = &(image[(arImXsize*2+2)*AR_PIX_SIZE_DEFAULT]);
- poff = AR_PIX_SIZE_DEFAULT*2;
- } else {
- pnt = &(image[(arImXsize+1)*AR_PIX_SIZE_DEFAULT]);
- poff = AR_PIX_SIZE_DEFAULT;
- }
- for (j = 1; j < lysize - 1; j++, pnt += poff*2, pnt2 += 2) {
- for(i = 1; i < lxsize-1; i++, pnt+=poff, pnt2++) {
-#if (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ARGB)
- if( *(pnt+1) + *(pnt+2) + *(pnt+3) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ABGR)
- if( *(pnt+1) + *(pnt+2) + *(pnt+3) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGRA)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGR)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGBA)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGB)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_MONO)
- if( *(pnt) <= thresh )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_2vuy)
- if( *(pnt+1) <= thresh )
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_yuvs)
- if( *(pnt+0) <= thresh )
-#else
-# error Unknown default pixel format defined in config.h
-#endif
- {
- pnt1 = &(pnt2[-lxsize]);
- if( *pnt1 > 0 ) {
- *pnt2 = *pnt1;
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- work2[((*pnt2)-1)*7+6] = j;
-#else
- // OPTIMIZED CODE [tp]
- // ((*pnt2)-1)*7 should be treated as constant, since
- // work2[n] (n=0..xsize*ysize) cannot overwrite (*pnt2)
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
- work2[pnt2_index+6] = j;
- // --------------------------------
-#endif
- }
- else if( *(pnt1+1) > 0 ) {
- if( *(pnt1-1) > 0 ) {
- m = work[*(pnt1+1)-1];
- n = work[*(pnt1-1)-1];
- if( m > n ) {
- *pnt2 = n;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == m ) *wk = n;
- wk++;
- }
- }
- else if( m < n ) {
- *pnt2 = m;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == n ) *wk = m;
- wk++;
- }
- }
- else *pnt2 = m;
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- work2[((*pnt2)-1)*7+6] = j;
-#else
- // PERFORMANCE OPTIMIZATION:
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
- work2[pnt2_index+6] = j;
-#endif
-
- }
- else if( *(pnt2-1) > 0 ) {
- m = work[*(pnt1+1)-1];
- n = work[*(pnt2-1)-1];
- if( m > n ) {
- *pnt2 = n;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == m ) *wk = n;
- wk++;
- }
- }
- else if( m < n ) {
- *pnt2 = m;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == n ) *wk = m;
- wk++;
- }
- }
- else *pnt2 = m;
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
-#else
- // PERFORMANCE OPTIMIZATION:
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
-#endif
-
- }
- else {
- *pnt2 = *(pnt1+1);
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+3] > i ) work2[((*pnt2)-1)*7+3] = i;
- work2[((*pnt2)-1)*7+6] = j;
-#else
- // PERFORMANCE OPTIMIZATION:
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
- if( work2[pnt2_index+3] > i ) work2[pnt2_index+3] = i;
- work2[pnt2_index+6] = j;
-#endif
- }
- }
- else if( *(pnt1-1) > 0 ) {
- *pnt2 = *(pnt1-1);
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+4] < i ) work2[((*pnt2)-1)*7+4] = i;
- work2[((*pnt2)-1)*7+6] = j;
-#else
- // PERFORMANCE OPTIMIZATION:
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
- if( work2[pnt2_index+4] < i ) work2[pnt2_index+4] = i;
- work2[pnt2_index+6] = j;
-#endif
- }
- else if( *(pnt2-1) > 0) {
- *pnt2 = *(pnt2-1);
-
-#ifndef USE_OPTIMIZATIONS
- // ORIGINAL CODE
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+4] < i ) work2[((*pnt2)-1)*7+4] = i;
-#else
- // PERFORMANCE OPTIMIZATION:
- pnt2_index = ((*pnt2)-1) * 7;
- work2[pnt2_index+0]++;
- work2[pnt2_index+1]+= i;
- work2[pnt2_index+2]+= j;
- if( work2[pnt2_index+4] < i ) work2[pnt2_index+4] = i;
-#endif
- }
- else {
- wk_max++;
- if( wk_max > WORK_SIZE ) {
- return(0);
- }
- work[wk_max-1] = *pnt2 = wk_max;
- work2[(wk_max-1)*7+0] = 1;
- work2[(wk_max-1)*7+1] = i;
- work2[(wk_max-1)*7+2] = j;
- work2[(wk_max-1)*7+3] = i;
- work2[(wk_max-1)*7+4] = i;
- work2[(wk_max-1)*7+5] = j;
- work2[(wk_max-1)*7+6] = j;
- }
- }
- else {
- *pnt2 = 0;
- }
- }
- if (arImageProcMode == AR_IMAGE_PROC_IN_HALF) pnt += arImXsize*AR_PIX_SIZE_DEFAULT;
- }
-
- j = 1;
- wk = &(work[0]);
- for(i = 1; i <= wk_max; i++, wk++) {
- *wk = (*wk==i)? j++: work[(*wk)-1];
- }
- *label_num = *wlabel_num = j - 1;
- if( *label_num == 0 ) {
- return( l_image );
- }
-
- put_zero( (ARUint8 *)warea, *label_num * sizeof(int) );
- put_zero( (ARUint8 *)wpos, *label_num * 2 * sizeof(double) );
- for(i = 0; i < *label_num; i++) {
- wclip[i*4+0] = lxsize;
- wclip[i*4+1] = 0;
- wclip[i*4+2] = lysize;
- wclip[i*4+3] = 0;
- }
- for(i = 0; i < wk_max; i++) {
- j = work[i] - 1;
- warea[j] += work2[i*7+0];
- wpos[j*2+0] += work2[i*7+1];
- wpos[j*2+1] += work2[i*7+2];
- if( wclip[j*4+0] > work2[i*7+3] ) wclip[j*4+0] = work2[i*7+3];
- if( wclip[j*4+1] < work2[i*7+4] ) wclip[j*4+1] = work2[i*7+4];
- if( wclip[j*4+2] > work2[i*7+5] ) wclip[j*4+2] = work2[i*7+5];
- if( wclip[j*4+3] < work2[i*7+6] ) wclip[j*4+3] = work2[i*7+6];
- }
-
- for( i = 0; i < *label_num; i++ ) {
- wpos[i*2+0] /= warea[i];
- wpos[i*2+1] /= warea[i];
- }
-
- *label_ref = work;
- *area = warea;
- *pos = wpos;
- *clip = wclip;
- return (l_image);
-}
-
-static ARInt16 *labeling3( ARUint8 *image, int thresh,
- int *label_num, int **area, double **pos, int **clip,
- int **label_ref, int LorR )
-{
- ARUint8 *pnt; /* image pointer */
- ARInt16 *pnt1, *pnt2; /* image pointer */
- int *wk; /* pointer for work */
- int wk_max; /* work */
- int m,n; /* work */
- int i,j,k; /* for loop */
- int lxsize, lysize;
- int poff;
- ARUint8 *dpnt;
- ARInt16 *l_image;
- int *work, *work2;
- int *wlabel_num;
- int *warea;
- int *wclip;
- double *wpos;
- int thresht3 = thresh * 3;
- static int imageProcModePrev = -1;
- static int imXsizePrev = -1;
- static int imYsizePrev = -1;
-
- // Ensure that the debug image is correct size.
- // If size has changed, debug image will need to be re-allocated.
- if (imageProcModePrev != arImageProcMode || imXsizePrev != arImXsize || imYsizePrev != arImYsize) {
- arLabelingCleanup();
- imageProcModePrev = arImageProcMode;
- imXsizePrev = arImXsize;
- imYsizePrev = arImYsize;
- }
-
- if( arImageProcMode == AR_IMAGE_PROC_IN_HALF ) {
- lxsize = arImXsize / 2;
- lysize = arImYsize / 2;
- }
- else {
- lxsize = arImXsize;
- lysize = arImYsize;
- }
-
- if( LorR ) {
- l_image = &l_imageL[0];
- work = &workL[0];
- work2 = &work2L[0];
- wlabel_num = &wlabel_numL;
- warea = &wareaL[0];
- wclip = &wclipL[0];
- wpos = &wposL[0];
- if( arImageL == NULL ) {
-#if 0
- int texXsize = 1;
- int texYsize = 1;
- while( texXsize < arImXsize ) texXsize *= 2;
- if( texXsize > 512 ) texXsize = 512;
- while( texYsize < arImYsize ) texYsize *= 2;
- arMalloc( arImageL, ARUint8, texXsize*texYsize*AR_PIX_SIZE_DEFAULT );
-#else
- arMalloc( arImageL, ARUint8, arImXsize*arImYsize*AR_PIX_SIZE_DEFAULT );
-#endif
- put_zero( arImageL, lxsize*lysize*AR_PIX_SIZE_DEFAULT );
- arImage = arImageL;
- }
- }
- else {
- l_image = &l_imageR[0];
- work = &workR[0];
- work2 = &work2R[0];
- wlabel_num = &wlabel_numR;
- warea = &wareaR[0];
- wclip = &wclipR[0];
- wpos = &wposR[0];
- if( arImageR == NULL ) {
-#if 0
- int texXsize = 1;
- int texYsize = 1;
- while( texXsize < arImXsize ) texXsize *= 2;
- if( texXsize > 512 ) texXsize = 512;
- while( texYsize < arImYsize ) texYsize *= 2;
- arMalloc( arImageR, ARUint8, texXsize*texYsize*AR_PIX_SIZE_DEFAULT );
-#else
- arMalloc( arImageR, ARUint8, arImXsize*arImYsize*AR_PIX_SIZE_DEFAULT );
-#endif
- put_zero( arImageR, lxsize*lysize*AR_PIX_SIZE_DEFAULT );
- }
- }
-
- pnt1 = &l_image[0];
- pnt2 = &l_image[(lysize-1)*lxsize];
- for(i = 0; i < lxsize; i++) {
- *(pnt1++) = *(pnt2++) = 0;
- }
-
- pnt1 = &l_image[0];
- pnt2 = &l_image[lxsize-1];
- for(i = 0; i < lysize; i++) {
- *pnt1 = *pnt2 = 0;
- pnt1 += lxsize;
- pnt2 += lxsize;
- }
-
- wk_max = 0;
- pnt2 = &(l_image[lxsize+1]);
- if( LorR ) dpnt = &(arImageL[(lxsize+1)*AR_PIX_SIZE_DEFAULT]);
- else dpnt = &(arImageR[(lxsize+1)*AR_PIX_SIZE_DEFAULT]);
- if( arImageProcMode == AR_IMAGE_PROC_IN_HALF ) {
- pnt = &(image[(arImXsize*2+2)*AR_PIX_SIZE_DEFAULT]);
- poff = AR_PIX_SIZE_DEFAULT*2;
- }
- else {
- pnt = &(image[(arImXsize+1)*AR_PIX_SIZE_DEFAULT]);
- poff = AR_PIX_SIZE_DEFAULT;
- }
- for(j = 1; j < lysize-1; j++, pnt+=poff*2, pnt2+=2, dpnt+=AR_PIX_SIZE_DEFAULT*2) {
- for(i = 1; i < lxsize-1; i++, pnt+=poff, pnt2++, dpnt+=AR_PIX_SIZE_DEFAULT) {
-#if (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ARGB)
- if( *(pnt+1) + *(pnt+2) + *(pnt+3) <= thresht3 ) {
- *(dpnt+1) = *(dpnt+2) = *(dpnt+3) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ABGR)
- if( *(pnt+1) + *(pnt+2) + *(pnt+3) <= thresht3 ) {
- *(dpnt+1) = *(dpnt+2) = *(dpnt+3) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGRA)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 ) {
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGR)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 ) {
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGBA)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 ) {
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGB)
- if( *(pnt+0) + *(pnt+1) + *(pnt+2) <= thresht3 ) {
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_MONO)
- if( *(pnt) <= thresh ) {
- *(dpnt) = 255;
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_2vuy)
- if( *(pnt+1) <= thresh ) {
- *(dpnt+0) = 128; *(dpnt+1) = 235; // *(dpnt+0) is chroma, set to 128 to maintain black & white debug image.
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_yuvs)
- if( *(pnt+0) <= thresh ) {
- *(dpnt+0) = 235; *(dpnt+1) = 128; // *(dpnt+1) is chroma, set to 128 to maintain black & white debug image.
-#else
-# error Unknown default pixel format defined in config.h
-#endif
- pnt1 = &(pnt2[-lxsize]);
- if( *pnt1 > 0 ) {
- *pnt2 = *pnt1;
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- work2[((*pnt2)-1)*7+6] = j;
- }
- else if( *(pnt1+1) > 0 ) {
- if( *(pnt1-1) > 0 ) {
- m = work[*(pnt1+1)-1];
- n = work[*(pnt1-1)-1];
- if( m > n ) {
- *pnt2 = n;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == m ) *wk = n;
- wk++;
- }
- }
- else if( m < n ) {
- *pnt2 = m;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == n ) *wk = m;
- wk++;
- }
- }
- else *pnt2 = m;
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- work2[((*pnt2)-1)*7+6] = j;
- }
- else if( *(pnt2-1) > 0 ) {
- m = work[*(pnt1+1)-1];
- n = work[*(pnt2-1)-1];
- if( m > n ) {
- *pnt2 = n;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == m ) *wk = n;
- wk++;
- }
- }
- else if( m < n ) {
- *pnt2 = m;
- wk = &(work[0]);
- for(k = 0; k < wk_max; k++) {
- if( *wk == n ) *wk = m;
- wk++;
- }
- }
- else *pnt2 = m;
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- }
- else {
- *pnt2 = *(pnt1+1);
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+3] > i ) work2[((*pnt2)-1)*7+3] = i;
- work2[((*pnt2)-1)*7+6] = j;
- }
- }
- else if( *(pnt1-1) > 0 ) {
- *pnt2 = *(pnt1-1);
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+4] < i ) work2[((*pnt2)-1)*7+4] = i;
- work2[((*pnt2)-1)*7+6] = j;
- }
- else if( *(pnt2-1) > 0) {
- *pnt2 = *(pnt2-1);
- work2[((*pnt2)-1)*7+0] ++;
- work2[((*pnt2)-1)*7+1] += i;
- work2[((*pnt2)-1)*7+2] += j;
- if( work2[((*pnt2)-1)*7+4] < i ) work2[((*pnt2)-1)*7+4] = i;
- }
- else {
- wk_max++;
- if( wk_max > WORK_SIZE ) {
- return(0);
- }
- work[wk_max-1] = *pnt2 = wk_max;
- work2[(wk_max-1)*7+0] = 1;
- work2[(wk_max-1)*7+1] = i;
- work2[(wk_max-1)*7+2] = j;
- work2[(wk_max-1)*7+3] = i;
- work2[(wk_max-1)*7+4] = i;
- work2[(wk_max-1)*7+5] = j;
- work2[(wk_max-1)*7+6] = j;
- }
- }
- else {
- *pnt2 = 0;
-#if (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ARGB)
- *(dpnt+1) = *(dpnt+2) = *(dpnt+3) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_ABGR)
- *(dpnt+1) = *(dpnt+2) = *(dpnt+3) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGRA)
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_BGR)
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGBA)
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_RGB)
- *(dpnt+0) = *(dpnt+1) = *(dpnt+2) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_MONO)
- *(dpnt) = 0; }
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_2vuy)
- *(dpnt+0) = 128; *(dpnt+1) = 16; } // *(dpnt+0) is chroma, set to 128 to maintain black & white debug image.
-#elif (AR_DEFAULT_PIXEL_FORMAT == AR_PIXEL_FORMAT_yuvs)
- *(dpnt+0) = 16; *(dpnt+1) = 128; } // *(dpnt+1) is chroma, set to 128 to maintain black & white debug image.
-#else
-# error Unknown default pixel format defined in config.h
-#endif
- }
- if (arImageProcMode == AR_IMAGE_PROC_IN_HALF) pnt += arImXsize*AR_PIX_SIZE_DEFAULT;
- }
-
- j = 1;
- wk = &(work[0]);
- for(i = 1; i <= wk_max; i++, wk++) {
- *wk = (*wk==i)? j++: work[(*wk)-1];
- }
- *label_num = *wlabel_num = j - 1;
- if( *label_num == 0 ) {
- return( l_image );
- }
-
- put_zero( (ARUint8 *)warea, *label_num * sizeof(int) );
- put_zero( (ARUint8 *)wpos, *label_num * 2 * sizeof(double) );
- for(i = 0; i < *label_num; i++) {
- wclip[i*4+0] = lxsize;
- wclip[i*4+1] = 0;
- wclip[i*4+2] = lysize;
- wclip[i*4+3] = 0;
- }
- for(i = 0; i < wk_max; i++) {
- j = work[i] - 1;
- warea[j] += work2[i*7+0];
- wpos[j*2+0] += work2[i*7+1];
- wpos[j*2+1] += work2[i*7+2];
- if( wclip[j*4+0] > work2[i*7+3] ) wclip[j*4+0] = work2[i*7+3];
- if( wclip[j*4+1] < work2[i*7+4] ) wclip[j*4+1] = work2[i*7+4];
- if( wclip[j*4+2] > work2[i*7+5] ) wclip[j*4+2] = work2[i*7+5];
- if( wclip[j*4+3] < work2[i*7+6] ) wclip[j*4+3] = work2[i*7+6];
- }
-
- for( i = 0; i < *label_num; i++ ) {
- wpos[i*2+0] /= warea[i];
- wpos[i*2+1] /= warea[i];
- }
-
- *label_ref = work;
- *area = warea;
- *pos = wpos;
- *clip = wclip;
- return( l_image );
-}
-
-void arLabelingCleanup(void)
-{
- if (arImageL) {
- free (arImageL);
- arImageL = NULL;
- arImage = NULL;
- }
- if (arImageR) {
- free (arImageR);
- arImageR = NULL;
- }
-}
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