GraphicsHierarchy

import acm.graphics.;
import acm.program.;

public class GraphicsHierarchy extends GraphicsProgram {

 //width of each box in the picture
private static final int Width = 150;

// height of each box in the picture
private static final int Height = 60;

public void run() {
	
	int n = 4 ;
	drawGObjectBox();
	drawGLabelBox();
    drawGLineBox();
    drawGOvalBox();
    drawGRectBox();
    drawLine1();
    drawLine2();
    drawLine3();
    drawLine4();
}

private void drawBox() {
	int x = getWidth()/n - Width()/2;
	int y = getHeight()/n - Heigth()/2;
	
	for(int i=0; i < n; i++ ) {
		
	}
}

private void drawGObjectBox() {  // object 상자 그리기
    int x = getWidth()/2 - Width/2;  // 상자의 x위치는 정중앙에서 상자의 너비의 반만큼 왼쪽으로 간 곳에서 시작한다.
    int y = getHeight()/2 - Height; // 상자의 y위치는 정중앙에서 상자의 높이의 반만큼 위로 간 곳에서 시작한다.
    GRect drawBox = new GRect (x, y, Width, Height);  
    add(drawBox); // object 상자 그리기
    GLabel gobject = new GLabel("GObject", x, y);
    add(gobject); // "GObject"이라는 라벨을 붙인다.
    double boxCenterX = Width/2;
    double boxCenterY = Height/2;
    double halfGObjectWidth = gobject.getWidth()/2;  // object 상자의 길이를 얻느다.
    double halfGObjectHeight = gobject.getAscent()/2; // object 상자의 높이를 얻는다.
    gobject.move( (boxCenterX - halfGObjectWidth) , (boxCenterY + halfGObjectHeight) ); 
}

private void drawGLabelBox() {
    int x = getWidth()/n - Width; 
    int y = getHeight()/2 + Height;
    GRect drawBox = new GRect (x, y, Width, Height);        
    add(drawBox); 
    GLabel glabel = new GLabel ("GLabel", x, y); 
    add(glabel); 
    double boxCenterX = Width / 2;
    double boxCenterY = Height / 2;
    double halfGLabelWidth = glabel.getWidth()/2; 
    double halfGLabelHeight = glabel.getAscent()/2; 
    glabel.move( (boxCenterX - halfGLabelWidth) , (boxCenterY + halfGLabelHeight) );
}

private void drawGLineBox() {
    int x = getWidth()/n*3 - Width;
    int y = getHeight()/2 + Height;
    GRect drawBox = new GRect (x, y, Width, Height); 
    add(drawBox); 
    GLabel gline = new GLabel ("GLine", x, y); 
    add(gline); 
    double boxCenterX = Width / 2;
    double boxCenterY = Height / 2;
    double halfGLineWidth = gline.getWidth()/2; 
    double halfGLineHeight = gline.getAscent()/2; 
    gline.move( (boxCenterX - halfGLineWidth) , (boxCenterY + halfGLineHeight) );
}


private void drawGOvalBox() {
    int x = getWidth()/n*5 + Width;
    int y = getHeight()/2 + Height;
    GRect drawBox = new GRect (x, y, Width, Height); 
    add(drawBox); 
    GLabel goval = new GLabel ("GOval", x, y); 
    add(goval); 
    double boxCenterX = Width / 2;
    double boxCenterY = Height / 2;
    double halfGOvalWidth = goval.getWidth()/2; 
    double halfGOvalHeight = goval.getAscent()/2; 
    goval.move( (boxCenterX - halfGOvalWidth) , (boxCenterY + halfGOvalHeight) );
}

private void drawGRectBox() {
    int x = getWidth()/n*7 + Width;
    int y = getHeight()/2 + Height;
    GRect drawBox = new GRect (x, y, Width, Height); 
    add(drawBox); 
    GLabel grect = new GLabel ("GRect", x, y); 
    add(grect); 
    double boxCenterX = Width / 2;
    double boxCenterY = Height / 2;
    double halfGRectWidth = grect.getWidth()/2; 
    double halfGRectHeight = grect.getAscent()/2; 
    grect.move( (boxCenterX - halfGRectWidth) , (boxCenterY + halfGRectHeight) );
}


private void drawLine1() {
    int x1 = getWidth()/2; // 너비를 찾는다.
    int y1 = getHeight()/2; // 높이를 찾는다.
    int x2 = getWidth()/2;  
    int y2 = getHeight()/2 + Height; //finds end point for height
    GLine drawLine = new GLine (x1, y1, x2, y2);
    add(drawLine);
}


private void drawLine2() {
    int x1 = getWidth()/4;
    int y1 = getHeight()/2;
    int x2 = getWidth()/4 - 4 * (Width/2);
    int y2 = getHeight()/2 + Height;
    GLine drawLine = new GLine (x1, y1, x2, y2);
    add(drawLine);
}

private void drawLine3() {
    int x1 = getWidth()/2;
    int y1 = getHeight()/2;
    int x2 = getWidth()/2 + 3 * (Width/2);
    int y2 = getHeight()/2 + Height;
    GLine drawLine = new GLine (x1, y1, x2, y2);
    add(drawLine);
}

private void drawLine4() {
    int x1 = getWidth()/2;
    int y1 = getHeight()/2;
    int x2 = getWidth()/2 + 3 * (Width/2);
    int y2 = getHeight()/2 + Height;
    GLine drawLine = new GLine (x1, y1, x2, y2);
    add(drawLine);
}

}