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package function;
import java.awt.Color;
import java.awt.Graphics;
import java.util.ArrayList;
public class Display {
private int x, y, width, height, xMin, xMax, yMin, yMax;
private ArrayList<Function> functions;
public Display(int x, int y, int width, int height, int xMin, int xMax, int yMin, int yMax, ArrayList<Function> functions) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
this.xMin = xMin;
this.xMax = xMax;
this.yMin = yMin;
this.yMax = yMax;
this.functions = functions;
}
public Display(int x, int y, int width, int height, int xMin, int xMax, int yMin, int yMax) {
this(x, y, width, height, xMin, xMax, yMin, yMax, new ArrayList<Function>());
}
public void draw(Graphics g) {
for(int i = 0, size = functions.size(); i<size; i++) {
for(int x = 0; x<width; x++) {
int y1 = (int) Math.round(functions.get(i).getY(x*((double)(xMax-xMin)/width))*((double)height/(yMax-yMin))) + (height/(yMax-yMin));
int y2 = (int) Math.round(functions.get(i).getY((x+1)*((double)(xMax-xMin)/width))*((double)height/(yMax-yMin))) + (height/(yMax-yMin));
if(y1 >= 0 && y1 <= height && y2 >= 0 && y2 <= height)
g.drawLine(this.x+x, this.y+y1, this.x+x+1, this.y+y2);
}
}
g.setColor(Color.BLACK);
g.drawRect(x, y, width, height);
}
public void addFunction(Function f) {
functions.add(f);
}
}
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