FrameDisplay.java

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package edu.tum.cs.ias.knowrob.vis.items;

import processing.core.PFont;
import edu.tum.cs.ias.knowrob.vis.AnimatedCanvas;
import edu.tum.cs.ias.knowrob.vis.Canvas;
import edu.tum.cs.ias.knowrob.vis.Drawable;

public class FrameDisplay implements Drawable {

        protected AnimatedCanvas canvas;
        protected int x, y, textAlign;
        protected PFont font;
        
        public FrameDisplay(AnimatedCanvas c, int x, int y, int textAlign, PFont font) {
                this.canvas = c;
                this.x = x;
                this.y = y;
                this.textAlign = textAlign;
                this.font = font;
        }
        
        public void draw(Canvas c) {
                int numSteps = canvas.getMaxAnimationStep()+1;
                if(numSteps == 1) // don't draw frame display if there is only one frame in the sequence
                        return;
                if(font != null)
                        c.textFont(font);
                c.fill(0xffffffff);
                c.textMode(Canvas.SCREEN);
                c.textAlign(textAlign);
                c.text(String.format("%d/%d", canvas.getAnimationStep()+1, numSteps), x, y);
        }
}