topical media & game development
student-ar-org-libspark-flartoolkit-core-labeling-FLARLabeling-BitmapData.ax
student-ar-org-libspark-flartoolkit-core-labeling-FLARLabeling-BitmapData.ax
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/*
* PROJECT: FLARToolKit
* --------------------------------------------------------------------------------
* This work is based on the NyARToolKit developed by
* R.Iizuka (nyatla)
* http://nyatla.jp/nyatoolkit/
*
* The FLARToolKit is ActionScript 3.0 version ARToolkit class library.
* Copyright (C)2008 Saqoosha
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this framework; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information please contact.
* http://www.libspark.org/wiki/saqoosha/FLARToolKit
* <saq(at)saqoosha.net>
*
*/
package org.libspark.flartoolkit.core.labeling {
import flash.display.BitmapData;
import flash.geom.Point;
import flash.geom.Rectangle;
import org.libspark.flartoolkit.core.raster.FLARRaster_BitmapData;
import org.libspark.flartoolkit.core.raster.IFLARRaster;
import org.libspark.flartoolkit.core.types.FLARIntSize;
ARToolKit互換のラベリングクラスです。 ARToolKitと同一な評価結果を返します。
public class @ax-student-ar-org-libspark-flartoolkit-core-labeling-FLARLabeling-BitmapData implements IFLARLabeling {
private static const WORK_SIZE:int = 1024 * 32; // #define WORK_SIZE 1024*32
private const work_holder:FLARWorkHolder = new FLARWorkHolder(WORK_SIZE);
private var _dest_size:FLARIntSize;
private var _out_image:FLARLabelingImageBitmapData;
private static const ZERO_POINT:Point = new Point();
private static const ONE_POINT:Point = new Point(1, 1);
private var tmp_img:BitmapData;
private var hSearch:BitmapData;
private var hLineRect:Rectangle;
public function attachDestination(i_destination_image:IFLARLabelingImage):void {
// サイズチェック
var size:FLARIntSize = i_destination_image.getSize();
this._out_image = i_destination_image as FLARLabelingImageBitmapData;
// NyLabelingImageのイメージ初期化(枠書き)
// var img:Array = i_destination_image.getBufferReader().getBuffer() as Array; // int[][]
// for (var i:int = 0; i < size.w; i++) {
// img[0][i] = 0;
// img[size.h - 1][i] = 0;
// }
// for (i = 0;i < size.h; i++) {
// img[i][0] = 0;
// img[i][size.w - 1] = 0;
// }
this.tmp_img = new BitmapData(size.w, size.h, false, 0x0);
this.hSearch = new BitmapData(size.w, 1, false, 0x000000);
this.hLineRect = new Rectangle(0, 0, 1, 1);
// サイズ(参照値)を保存
this._dest_size = size;
}
public function getAttachedDestination():IFLARLabelingImage {
return this._out_image;
}
static ARInt16 *labeling2( ARUint8 *image, int thresh,int *label_num, int **area, double **pos, int **clip,int **label_ref, int LorR ) 関数の代替品
ラスタimageをラベリングして、結果を保存します。 Optimize:STEP[1514->1493]
parameter: i_raster
@throws FLARException
public function labeling(image:IFLARRaster):void {
// this.tmp_img.applyFilter(image.bitmapData, image.bitmapData.rect, ZERO_POINT, MONO_FILTER);
// this.label_img.fillRect(this.label_img.rect, 0x0);
// var rect:Rectangle = this.tmp_img.rect;
// rect.inflate(-1, -1);
// this.label_img.threshold(this.tmp_img, rect, ONE_POINT, '<=', thresh, 0xffffffff, 0xff);
// this.label_num = 0;
// var labels:Array = this.label_holder.labels;
var label_img:BitmapData = this._out_image.bitmapData;
label_img.fillRect(label_img.rect, 0x0);
var rect:Rectangle = label_img.rect.clone();
rect.inflate(-1, -1);
label_img.copyPixels(FLARRaster_BitmapData(image).bitmapData, rect, ONE_POINT);
var currentRect:Rectangle = label_img.getColorBoundsRect(0xffffff, 0xffffff, true);
hLineRect.y = 0;
hLineRect.width = label_img.width;
var hSearchRect:Rectangle;
var labelRect:Rectangle;
var index:int = 0;
var label_list:FLARLabelingLabelStack = this._out_image.getLabelStack();
label_list.clear();
// label_list.reserv(256);
var labels:Array = label_list.getArray();
var label:FLARLabelingLabel;
while (!currentRect.isEmpty()) {
hLineRect.y = currentRect.top;
hSearch.copyPixels(label_img, hLineRect, ZERO_POINT);
hSearchRect = hSearch.getColorBoundsRect(0xffffff, 0xffffff, true);
label = label_list.prePush() as FLARLabelingLabel;//labels[index++];
label_img.floodFill(hSearchRect.x, hLineRect.y, ++index);
labelRect = label_img.getColorBoundsRect(0xffffff, index, true);
// trace(labelRect);
label.id = index;
label.area = labelRect.width * labelRect.height;
label.clip_l = labelRect.left;
label.clip_r = labelRect.right - 1;
label.clip_t = labelRect.top;
label.clip_b = labelRect.bottom - 1;
label.pos_x = (labelRect.left + labelRect.right - 1) * 0.5;
label.pos_y = (labelRect.top + labelRect.bottom - 1) * 0.5;
currentRect = label_img.getColorBoundsRect(0xffffff, 0xffffff, true);
}
}
public function labeling1(i_raster:IFLARRaster):void {
var m:int; /* work */
var n:int;
var i:int;
var j:int;
var k:int;
var out_image:IFLARLabelingImage = this._out_image;
// サイズチェック
var in_size:FLARIntSize = i_raster.getSize();
this._dest_size.isEqualSizeO(in_size);
const lxsize:int = in_size.w;// lxsize = arUtil_c.arImXsize;
const lysize:int = in_size.h;// lysize = arUtil_c.arImYsize;
var label_img:Array = out_image.getBufferReader().getBuffer() as Array; // int[][]
// 枠作成はインスタンスを作った直後にやってしまう。
//ラベリング情報のリセット（ラベリングインデックスを使用）
out_image.reset(true);
var label_idxtbl:Array = out_image.getIndexArray(); // int[]
var work2_pt:Array; // int[]
var wk_max:int = 0;
var label_pixel:int;
var raster_buf:Array = i_raster.getBufferReader().getBuffer() as Array; // int[][]
var line_ptr:Array; // int[]
var work2:Array = this.work_holder.work2; // int[][]
var label_img_pt0:Array; // int[]
var label_img_pt1:Array; // int[]
for (j = 1; j < lysize - 1; j++) {
// for (int j = 1; j < lysize - 1;j++, pnt += poff*2, pnt2 += 2) {
line_ptr = raster_buf[j];
label_img_pt0 = label_img[j];
label_img_pt1 = label_img[j - 1];
for (i = 1; i < lxsize - 1; i++) {
// for(int i = 1; i < lxsize-1;i++, pnt+=poff, pnt2++) {
// RGBの合計値が閾値より小さいかな？
if (line_ptr[i] == 0) {
// pnt1 = ShortPointer.wrap(pnt2, -lxsize);//pnt1 =&(pnt2[-lxsize]);
if (label_img_pt1[i] > 0) {
// if( *pnt1 > 0 ) {
label_pixel = label_img_pt1[i];
// *pnt2 = *pnt1;
work2_pt = work2[label_pixel - 1];
work2_pt[0]++; // work2[((*pnt2)-1)*7+0] ++;
work2_pt[1] += i; // work2[((*pnt2)-1)*7+1] += i;
work2_pt[2] += j; // work2[((*pnt2)-1)*7+2] += j;
work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
} else if (label_img_pt1[i + 1] > 0) {
// }else if(*(pnt1+1) > 0 ) {
if (label_img_pt1[i - 1] > 0) {
// if( *(pnt1-1) > 0 ) {
m = label_idxtbl[label_img_pt1[i + 1] - 1]; // m =work[*(pnt1+1)-1];
n = label_idxtbl[label_img_pt1[i - 1] - 1]; // n =work[*(pnt1-1)-1];
if (m > n) {
label_pixel = n;
// *pnt2 = n;
// wk=IntPointer.wrap(work, 0);//wk =
// &(work[0]);
for (k = 0;k < wk_max; k++) {
if (label_idxtbl[k] == m) {
// if( *wk == m )
label_idxtbl[k] = n;// *wk = n;
}
}
} else if (m < n) {
label_pixel = m;
// *pnt2 = m;
// wk=IntPointer.wrap(work,0);//wk = &(work[0]);
for (k = 0;k < wk_max; k++) {
if (label_idxtbl[k] == n) {
// if( *wk == n ){
label_idxtbl[k] = m;// *wk = m;
}
}
} else {
label_pixel = m;// *pnt2 = m;
}
work2_pt = work2[label_pixel - 1];
work2_pt[0]++;
work2_pt[1] += i;
work2_pt[2] += j;
work2_pt[6] = j;
} else if ((label_img_pt0[i - 1]) > 0) {
// }else if(*(pnt2-1) > 0) {
m = label_idxtbl[(label_img_pt1[i + 1]) - 1]; // m =work[*(pnt1+1)-1];
n = label_idxtbl[label_img_pt0[i - 1] - 1]; // n =work[*(pnt2-1)-1];
if (m > n) {
label_pixel = n;
// *pnt2 = n;
for (k = 0; k < wk_max; k++) {
if (label_idxtbl[k] == m) {
// if( *wk == m ){
label_idxtbl[k] = n;// *wk = n;
}
}
} else if (m < n) {
label_pixel = m;
// *pnt2 = m;
for (k = 0; k < wk_max; k++) {
if (label_idxtbl[k] == n) {
// if( *wk == n ){
label_idxtbl[k] = m;// *wk = m;
}
}
} else {
label_pixel = m;// *pnt2 = m;
}
work2_pt = work2[label_pixel - 1];
work2_pt[0]++;
// work2[((*pnt2)-1)*7+0] ++;
work2_pt[1] += i;
// work2[((*pnt2)-1)*7+1] += i;
work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
} else {
label_pixel = label_img_pt1[i + 1];
// *pnt2 =
// *(pnt1+1);
work2_pt = work2[label_pixel - 1];
work2_pt[0]++; // work2[((*pnt2)-1)*7+0] ++;
work2_pt[1] += i; // work2[((*pnt2)-1)*7+1] += i;
work2_pt[2] += j; // work2[((*pnt2)-1)*7+2] += j;
if (work2_pt[3] > i) {
// if(
// work2[((*pnt2)-1)*7+3] >
// i ){
work2_pt[3] = i;// work2[((*pnt2)-1)*7+3] = i;
}
work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
}
} else if ((label_img_pt1[i - 1]) > 0) {
// }else if(
// *(pnt1-1) > 0 ) {
label_pixel = label_img_pt1[i - 1];
// *pnt2 =
// *(pnt1-1);
work2_pt = work2[label_pixel - 1];
work2_pt[0]++; // work2[((*pnt2)-1)*7+0] ++;
work2_pt[1] += i; // work2[((*pnt2)-1)*7+1] += i;
work2_pt[2] += j; // work2[((*pnt2)-1)*7+2] += j;
if (work2_pt[4] < i) {
// if( work2[((*pnt2)-1)*7+4] <i ){
work2_pt[4] = i;// work2[((*pnt2)-1)*7+4] = i;
}
work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
} else if (label_img_pt0[i - 1] > 0) {
// }else if(*(pnt2-1) > 0) {
label_pixel = label_img_pt0[i - 1];
// *pnt2 =*(pnt2-1);
work2_pt = work2[label_pixel - 1];
work2_pt[0]++; // work2[((*pnt2)-1)*7+0] ++;
work2_pt[1] += i; // work2[((*pnt2)-1)*7+1] += i;
work2_pt[2] += j; // work2[((*pnt2)-1)*7+2] += j;
if (work2_pt[4] < i) {
// if( work2[((*pnt2)-1)*7+4] <i ){
work2_pt[4] = i;// work2[((*pnt2)-1)*7+4] = i;
}
} else {
// 現在地までの領域を予約
this.work_holder.reserv(wk_max);
wk_max++;
label_idxtbl[wk_max - 1] = wk_max;
label_pixel = wk_max;
// work[wk_max-1] = *pnt2 = wk_max;
work2_pt = work2[wk_max - 1];
work2_pt[0] = 1;
work2_pt[1] = i;
work2_pt[2] = j;
work2_pt[3] = i;
work2_pt[4] = i;
work2_pt[5] = j;
work2_pt[6] = j;
}
label_img_pt0[i] = label_pixel;
} else {
label_img_pt0[i] = 0;// *pnt2 = 0;
}
}
}
// インデックステーブルとラベル数の計算
var wlabel_num:int = 1;
// *label_num = *wlabel_num = j - 1;
for (i = 0; i < wk_max; i++) {
// for(int i = 1; i <= wk_max; i++,wk++) {
label_idxtbl[i] = (label_idxtbl[i] == i + 1) ? wlabel_num++ : label_idxtbl[label_idxtbl[i] - 1];// *wk=(*wk==i)?j++:work[(*wk)-1];
}
wlabel_num -= 1;
// *label_num = *wlabel_num = j - 1;
if (wlabel_num == 0) {
// if( *label_num == 0 ) {
// 発見数0
out_image.getLabelStack().clear();
return;
}
// ラベル情報の保存等
var label_list:FLARLabelingLabelStack = out_image.getLabelStack();
// ラベルバッファを予約
label_list.reserv(wlabel_num);
// エリアと重心、クリップ領域を計算
var label_pt:FLARLabelingLabel;
var labels:Array = label_list.getArray(); // FLARLabelingLabel[]
for (i = 0; i < wlabel_num; i++) {
label_pt = labels[i];
label_pt.id = i + 1;
label_pt.area = 0;
label_pt.pos_x = label_pt.pos_y = 0;
label_pt.clip_l = lxsize; // wclip[i*4+0] = lxsize;
label_pt.clip_t = lysize; // wclip[i*4+2] = lysize;
label_pt.clip_r = label_pt.clip_b = 0;// wclip[i*4+3] = 0;
}
for (i = 0; i < wk_max; i++) {
label_pt = labels[label_idxtbl[i] - 1];
work2_pt = work2[i];
label_pt.area += work2_pt[0];
label_pt.pos_x += work2_pt[1];
label_pt.pos_y += work2_pt[2];
if (label_pt.clip_l > work2_pt[3]) {
label_pt.clip_l = work2_pt[3];
}
if (label_pt.clip_r < work2_pt[4]) {
label_pt.clip_r = work2_pt[4];
}
if (label_pt.clip_t > work2_pt[5]) {
label_pt.clip_t = work2_pt[5];
}
if (label_pt.clip_b < work2_pt[6]) {
label_pt.clip_b = work2_pt[6];
}
}
for (i = 0; i < wlabel_num; i++) {
// for(int i = 0; i < *label_num; i++ ) {
label_pt = labels[i];
label_pt.pos_x /= label_pt.area;
label_pt.pos_y /= label_pt.area;
}
return;
}
}
}
import org.libspark.flartoolkit.FLARException;
import org.libspark.flartoolkit.utils.ArrayUtil;
FLARLabeling_O2のworkとwork2を可変長にするためのクラス
class FLARWorkHolder {
private static const ARRAY_APPEND_STEP:int = 256;
public var work2:Array;
// int[][]
private var allocate_size:int;
最大i_holder_size個の動的割り当てバッファを準備する。
parameter: i_holder_size
public function FLARWorkHolder(i_holder_size:int) {
// ポインタだけははじめに確保しておく
// this.work2 = new int[i_holder_size][];
this.work2 = ArrayUtil.createJaggedArray(i_holder_size, 0);
this.allocate_size = 0;
}
i_indexで指定した番号までのバッファを準備する。
parameter: i_index
public function reserv(i_index:int):void {
// アロケート済みなら即リターン
if (this.allocate_size > i_index) {
return;
}
// 要求されたインデクスは範囲外
if (i_index >= this.work2.length) {
throw new FLARException();
}
// 追加アロケート範囲を計算
var range:int = i_index + ARRAY_APPEND_STEP;
if (range >= this.work2.length) {
range = this.work2.length;
}
// アロケート
for (var i:int = this.allocate_size;i < range; i++) {
this.work2[i] = new Array(7);//new int[7];
}
this.allocate_size = range;
}
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
