package project1;

public class SubPlot {

	private float[] window;
	private float[] viewport;
	private float mx;
	private float bx;
	private float my;
	private float by;

	public SubPlot(float[] window, float[] viewport, float fullwidth, float fullheight) {

		this.window = window;
		this.viewport = viewport;
		mx = viewport[2] * fullwidth / (window[1] - window[0]);
		bx = viewport[0] * fullwidth;
		my = viewport[1] * fullheight / (window[3] - window[2]);
		by = viewport[1] * fullheight;
	}

	public float[] getPixelCoord(float x, float y) {
		float[] coord = new float[2];

		coord[0] = bx + mx * (x - window[0]);
		coord[1] = bx + mx * (y - window[2]);

		return coord;
	}

	public float[] getWorldCoord(float xx, float yy) {
		float[] coord = new float[2];

		coord[0] = window[0] + (bx - xx) / mx;
		coord[1] = window[2] + (by - yy) / my;

		return coord;
	}

	public boolean isInside(float xx, float yy) {
		float[] c = getWorldCoord(xx, yy);
		return (c[0] >= window[0] && c[0] <= window[1] && c[1] >= window[2] && c[1] <= window[3]);
	}

	public float[] getviewport() {
		return
	}
}