Method saveShapeRoi

ij/src/main/java/ij/io/RoiEncoder.java:322–354

(Roi roi, int type, OutputStream f, int options)

	}

	void saveShapeRoi(Roi roi, int type, OutputStream f, int options) throws IOException {
		float[] shapeArray = ((ShapeRoi)roi).getShapeAsArray();
		if (shapeArray==null) return;
		BufferedOutputStream bout = new BufferedOutputStream(f);
		Rectangle r = roi.getBounds();
		data  = new byte[HEADER_SIZE+HEADER2_SIZE+shapeArray.length*4+roiNameSize+roiPropsSize];
		data[0]=73; data[1]=111; data[2]=117; data[3]=116; // "Iout"
		
		putShort(RoiDecoder.VERSION_OFFSET, VERSION);
		data[RoiDecoder.TYPE] = (byte)type;
		putShort(RoiDecoder.TOP, r.y);
		putShort(RoiDecoder.LEFT, r.x);
		putShort(RoiDecoder.BOTTOM, r.y+r.height);
		putShort(RoiDecoder.RIGHT, r.x+r.width);	
		putInt(RoiDecoder.POSITION, roi.getPosition());
		//putShort(16, n);
		putInt(36, shapeArray.length); // non-zero segment count indicate composite type
		if (VERSION>=218) saveStrokeWidthAndColor(roi);
		saveOverlayOptions(roi, options);

		// handle the actual data: data are stored segment-wise, i.e.,
		// the type of the segment followed by 0-6 control point coordinates.
		int base = 64;
		for (int i=0; i<shapeArray.length; i++) {
			putFloat(base, shapeArray[i]);
			base += 4;
		}
		int hdr2Offset = HEADER_SIZE+shapeArray.length*4;
		//ij.IJ.log("saveShapeRoi: "+HEADER_SIZE+"  "+shapeArray.length);
		putHeader2(roi, hdr2Offset);
		bout.write(data,0,data.length);
		bout.flush();
	}
	
	void saveOverlayOptions(Roi roi, int options) {
		Overlay proto = roi.getPrototypeOverlay();