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package ij.io;
import java.io.*;
import ij.*;
import ij.process.*;
import ij.measure.*;
/** Saves an image described by an ImageProcessor object as a tab-delimited text file. */
public class TextEncoder {
private ImageProcessor ip;
private Calibration cal;
private int precision;
/** Constructs a TextEncoder from an ImageProcessor and optional Calibration. */
public TextEncoder (ImageProcessor ip, Calibration cal, int precision) {
this.ip = ip;
this.cal = cal;
this.precision = precision;
}
/** Saves the image as a tab-delimited text file. */
public void write(DataOutputStream out) throws IOException {
PrintWriter pw = new PrintWriter(out);
boolean calibrated = cal!=null && cal.calibrated();
if (calibrated)
ip.setCalibrationTable(cal.getCTable());
else
ip.setCalibrationTable(null);
boolean intData = !calibrated && ((ip instanceof ByteProcessor) || (ip instanceof ShortProcessor));
int width = ip.getWidth();
int height = ip.getHeight();
int inc = height/20;
if (inc<1) inc = 1;
//IJ.showStatus("Exporting as text...");
double value;
for (int y=0; y<height; y++) {
for (int x=0; x<width; x++) {
value = ip.getPixelValue(x,y);
if (intData)
pw.print((int)value);
else
pw.print(IJ.d2s(value, precision));
if (x!=(width-1))
pw.print("\t");
}
pw.println();
if (y%inc==0) IJ.showProgress((double)y/height);
}
pw.close();
IJ.showProgress(1.0);
//IJ.showStatus("");
}
}
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