InternalRegionDescriptor.java

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package theba.descriptors;

import theba.core.ImageFunctions;
import theba.core.RegionDescriptor;
import theba.core.RegionMask;

public class InternalRegionDescriptor implements RegionDescriptor {

        public Object measure(RegionMask mask) {
                short[] m = new short[mask.getWidth() * mask.getHeight()];

                for (int x = 0; x < mask.getWidth(); x++)
                        for (int y = 0; y < mask.getHeight(); y++)
                                if (mask.isSet(x, y, 0))
                                        m[x + y * mask.getWidth()] = 1;

                ImageFunctions.floodFill2D(0, 0, mask.getWidth(), mask.getHeight(), m,
                                (short) 1);
                int count = 0;
                for (int x = 0; x < mask.getWidth(); x++) {
                        for (int y = 0; y < mask.getHeight(); y++) {
                                if (m[x + y * mask.getWidth()] == 0) {
                                        count++;
                                        ImageFunctions.floodFill2D(x, y, mask.getWidth(), mask
                                                        .getHeight(), m, (short) 1);
                                }
                        }
                }
                return count;
        }

        public String getName() {
                return "Internal region count";
        }

        public String getAbout() {
                return "The amount of internal regions";
        }

        public boolean does() {
                return false;
        }

        public boolean isNumeric() {
                return true;
        }

        public boolean does3D() {
                // TODO Auto-generated method stub
                return false;
        }

}