package ij.plugin;
import ij.*;
import ij.process.*;
import ij.gui.*;
import java.awt.*;
import java.awt.event.*;

/** Implements the Analyze/Plot Profile and Edit/Options/Profile Plot Options commands. */
public class Profiler implements PlugIn, PlotMaker {
    ImagePlus imp;
    boolean firstTime = true;
    boolean plotVertically;

    public void run(String arg) {
        if (arg.equals("set"))
            {doOptions(); return;}
        imp = IJ.getImage();
        if (firstTime)
            plotVertically = Prefs.verticalProfile || IJ.altKeyDown();
        Plot plot = getPlot();
        firstTime = false;
        if (plot==null)
            return;
        plot.setPlotMaker(this);
        plot.show();
    }
    
public Plot getPlot() {
        Roi roi = imp.getRoi();
        if (roi==null || !(roi.isLine()||roi.getType()==Roi.RECTANGLE)) {
            if (firstTime)
                IJ.error("Plot Profile", "Line or rectangular selection required");
            return null;
        }
        ProfilePlot pp = new ProfilePlot(imp, plotVertically);
        return pp.getPlot();
    }
    
    public ImagePlus getSourceImage() {
        return imp;
    }

    public void doOptions() {
        double ymin = ProfilePlot.getFixedMin();
        double ymax = ProfilePlot.getFixedMax();
        boolean fixedScale = ymin!=0.0 || ymax!=0.0;
        boolean wasFixedScale = fixedScale;
        
        GenericDialog gd = new GenericDialog("Plot Options");
        gd.addNumericField("Width:", PlotWindow.plotWidth, 0);
        gd.addNumericField("Height:", PlotWindow.plotHeight, 0);
        gd.addNumericField("Font Size:", PlotWindow.fontSize, 0);
        gd.setInsets(5,20,0); //distance to previous
        gd.addCheckbox("Draw grid lines", !PlotWindow.noGridLines);
        gd.addCheckbox("Draw_ticks", !PlotWindow.noTicks);
        gd.addCheckbox("Auto-close", PlotWindow.autoClose);
        gd.addCheckbox("List values", PlotWindow.listValues);
        
        gd.setInsets(15,0,0);
        gd.addMessage("--------Profile Plot Options--------");
        gd.setInsets(5,20,0);
        gd.addCheckbox("Fixed y-axis scale", fixedScale);
        gd.addNumericField("Minimum Y:", ymin, 2);
        gd.addNumericField("Maximum Y:", ymax, 2);
        gd.setInsets(10,20,0);
        gd.addCheckbox("Vertical profile", Prefs.verticalProfile);
        gd.addCheckbox("Interpolate line profiles", PlotWindow.interpolate);
        gd.addCheckbox("Sub-pixel resolution", Prefs.subPixelResolution);
        gd.addHelp(IJ.URL+"/docs/menus/edit.html#plot-options");
        gd.showDialog();
        if (gd.wasCanceled())
            return;
        int w = (int)gd.getNextNumber();
        int h = (int)gd.getNextNumber();
        if (w<Plot.MIN_FRAMEWIDTH) w = Plot.MIN_FRAMEWIDTH;
        if (h<Plot.MIN_FRAMEHEIGHT) h = Plot.MIN_FRAMEHEIGHT;
        if (!gd.invalidNumber()) {
            PlotWindow.plotWidth = w;
            PlotWindow.plotHeight = h;
        }
        int fontSize = (int)gd.getNextNumber();
        if (fontSize < 9) fontSize = 9;
        if (fontSize > 28) fontSize = 28;
        if (!gd.invalidNumber())
            PlotWindow.fontSize = fontSize;
        PlotWindow.noGridLines = !gd.getNextBoolean();
        PlotWindow.noTicks = !gd.getNextBoolean();
        //data options
        PlotWindow.autoClose = gd.getNextBoolean();
        PlotWindow.listValues = gd.getNextBoolean();
        //profile plot options
        fixedScale = gd.getNextBoolean();
        ymin = gd.getNextNumber();
        ymax = gd.getNextNumber();
        //profile options
        Prefs.verticalProfile = gd.getNextBoolean();
        PlotWindow.interpolate = gd.getNextBoolean();
        Prefs.subPixelResolution = gd.getNextBoolean();
        if (!fixedScale && !wasFixedScale && (ymin!=0.0 || ymax!=0.0))
            fixedScale = true;
        if (!fixedScale) {
            ymin = 0.0;
            ymax = 0.0;
        } else if (ymin>ymax) {
            double tmp = ymin;
            ymin = ymax;
            ymax = tmp;
        }
        ProfilePlot.setMinAndMax(ymin, ymax);
        IJ.register(Profiler.class);
    }
        
}