RegionMask.java

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package theba.core;

public class RegionMask {

        private Stack volume;

        private int id;

        private BoxBounds bounds;

        int width, height, depth;

        public RegionMask() {
        }

        public RegionMask(short id, Stack volume, BoxBounds bounds) {
                this.bounds = bounds;
                this.volume = volume;
                this.id = id;
                width = bounds.xmax - bounds.xmin + 1;
                height = bounds.ymax - bounds.ymin + 1;
                depth = bounds.zmax - bounds.zmin + 1;
        }

        public boolean isSet(int xp, int yp, int zp) {
                int x = xp + bounds.xmin;
                int y = yp + bounds.ymin;
                int z = zp + bounds.zmin;
                if (xp < 0 || yp < 0 || zp < 0 || xp >= width || yp >= height
                                || zp >= depth)
                        return false;
                return volume.getVoxelUnchecked(x, y, z) == id;
        }

        public short getPixelAt(int xp, int yp, int zp) {
                int x = xp + bounds.xmin;
                int y = yp + bounds.ymin;
                int z = zp + bounds.zmin;
                if (xp < 0 || yp < 0 || zp < 0 || xp >= width || yp >= height
                                || zp >= depth)
                        return 0;
                return volume.getVoxelUnchecked(x, y, z);
        }

        public int getWidth() {
                return width;
        }

        public int getHeight() {
                return height;
        }

        public int getDepth() {
                return depth;
        }

}