SOURCE CODE nya sebagai berikut
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import javax.swing.*;
import javax.swing.JFrame;
public class lukis extends JPanel {
double x_awal, x_akhir, y_awal, y_akhir, Dx, Dy, parameter, langkah, xincre, yincre, p, x2, y2, x_pusat, y_pusat;
GeneralPath gp = new GeneralPath();
GeneralPath gp2 = new GeneralPath();
GeneralPath gp3 = new GeneralPath();
GeneralPath gp4 = new GeneralPath();
GeneralPath gp5 = new GeneralPath();
GeneralPath gp6 = new GeneralPath();
GeneralPath gp7 = new GeneralPath();
GeneralPath gp8 = new GeneralPath();
GeneralPath gp9 = new GeneralPath();
public lukis () {
setBackground(Color.white);
setLayout(null);
}
public void gambar_garis_dda(int x_awal, int y_awal, int x_akhir, int y_akhir) {
this.x_awal = x_awal;
this.x_akhir = x_akhir;
this.y_awal = y_awal;
Dx = Math.abs(x_akhir - x_awal);
Dy = Math.abs(y_akhir - y_awal);
if (Dx > Dy) {
langkah = Dx;
} else {
langkah = Dy;
}
xincre = (x_akhir - x_awal) / langkah;
yincre = (y_akhir - y_awal) / langkah;
gp.moveTo(x_awal, y_awal);
if (x_akhir - x_awal > 0) {
for (double x = x_awal; x < x_akhir; x += xincre) {
gp.lineTo(x, y_awal);
y_awal += yincre;
}
} else {
for (double x = x_awal; x > x_akhir; x += xincre) {
gp.lineTo(x, y_awal);
y_awal += yincre;
}
}
}
public void gambar_garis_Bressenham(int x_awal, int y_awal, int x_akhir, int y_akhir) {
this.x_awal = x_awal;
this.x_akhir = x_akhir;
this.y_awal = y_awal;
this.y_akhir = y_akhir;
Dx = Math.abs(x_akhir - x_awal);
Dy = Math.abs(y_akhir - y_awal);
parameter = (2 * Dy) - Dx;
this.repaint();
gp.moveTo(x_awal, y_awal);
double xt, yt;
if (x_akhir - x_awal > 0) {
xt = 1;
} else {
xt = -1;
}
if (y_akhir - y_awal > 0) {
yt = 1;
} else {
yt = -1;
}
if (Dx > Dy) {
if (x_akhir - x_awal > 0) {
while (x_awal < x_akhir) {
if (parameter < 0) {
parameter += (2 * Dy);
} else {
y_awal += yt;
parameter = parameter + (2 * Dy) - (2 * Dx);
}
gp.lineTo(x_awal, y_awal);
x_awal += xt;
}
} else {
while (x_awal > x_akhir) {
if (parameter < 0) {
parameter += (2 * Dy);
} else {
y_awal += yt;
parameter = parameter + (2 * Dy) - (2 * Dx);
}
gp.lineTo(x_awal, y_awal);
x_awal += xt;
}
}
} else {
if (y_akhir - y_awal > 0) {
while (y_awal < y_akhir) {
if (parameter < 0) {
parameter += (2 * Dx);
} else {
x_awal += xt;
parameter = parameter + (2 * Dx) - (2 * Dy);
}
gp.lineTo(x_awal, y_awal);
y_awal += yt;
}
} else {
while (y_awal > y_akhir) {
if (parameter < 0) {
parameter += (2 * Dx);
} else {
x_awal += xt;
parameter = parameter + (2 * Dx) - (2 * Dy);
}
gp.lineTo(x_awal, y_awal);
y_awal += yt;
}
}
}
}
public void gambar_kotak_Bressenham(int x_awal, int y_awal, int x_akhir, int y_akhir) {
this.x_awal = x_awal;
this.x_akhir = x_akhir;
this.y_awal = y_awal;
Dx = Math.abs(x_akhir - x_awal);
Dy = Math.abs(y_akhir - y_awal);
parameter = (2 * Dy) - Dx;
this.repaint();
double g = x_awal, h = y_awal;
while (x_awal < x_akhir) {
if (parameter < 0) {
parameter += (2 * Dy);
} else {
y_awal++;
parameter = parameter + (2 * Dy) - (2 * Dx);
}
gp.moveTo(x_awal, y_awal);
x_awal++;
}
gp.lineTo(g, y_awal);
gp.lineTo(g, h);
gp.lineTo(x_awal, h);
gp.lineTo(x_awal, y_awal);
}
public void gambar_bulat_midpoint(int x_pusat, int y_pusat, int r) {
x2 = 0;
y2 = r;
this.x_pusat = x_pusat;
this.y_pusat = y_pusat;
gp.moveTo(x_pusat + x2, y_pusat + y2);
gp2.moveTo(x_pusat - x2, y_pusat + y2);
gp3.moveTo(x_pusat + x2, y_pusat - y2);
gp4.moveTo(x_pusat - x2, y_pusat - y2);
gp5.moveTo(x_pusat + y2, y_pusat + x2);
gp6.moveTo(x_pusat - y2, y_pusat + x2);
gp7.moveTo(x_pusat + y2, y_pusat - x2);
gp8.moveTo(x_pusat - y2, y_pusat - x2);
p = 1 - r;
while (x2 < y2) {
gp.lineTo(x_pusat + x2, y_pusat + y2);
gp2.lineTo(x_pusat - x2, y_pusat + y2);
gp3.lineTo(x_pusat + x2, y_pusat - y2);
gp4.lineTo(x_pusat - x2, y_pusat - y2);
gp5.lineTo(x_pusat + y2, y_pusat + x2);
gp6.lineTo(x_pusat - y2, y_pusat + x2);
gp7.lineTo(x_pusat + y2, y_pusat - x2);
gp8.lineTo(x_pusat - y2, y_pusat - x2);
x2++;
if (p < 0) {
p += (2 * x2) + 6;
} else {
y2--;
p += 2 * (x2 - y2) + 1;
}
this.repaint();
}
}
public void gambar_elips_midpoint(int x_pusat, int y_pusat, double Rx, double Ry) {
double Rx2 = Rx * Rx;
double twoRx2 = 2 * Rx2;
x2 = 0;
double px = 0;
double Ry2 = Ry * Ry;
double twoRy2 = 2 * Ry2;
y2 = Ry;
double py = twoRx2 * y2;
this.x_pusat = x_pusat;
this.y_pusat = y_pusat;
this.p = (Ry2 - (Rx2 * Ry) + (0.25 * Rx2));
gp.moveTo(x_pusat + x2, y_pusat + y2);
gp2.moveTo(x_pusat - x2, y_pusat + y2);
gp3.moveTo(x_pusat + x2, y_pusat - y2);
gp4.moveTo(x_pusat - x2, y_pusat - y2);
while (px < py) {
x2++;
px += twoRy2;
if (p < 0) {
p += Ry2 + px;
} else {
y2--;
py -= twoRx2;
p += Ry2 + px - py;
}
gp.lineTo(x_pusat + x2, y_pusat + y2);
gp2.lineTo(x_pusat - x2, y_pusat + y2);
gp3.lineTo(x_pusat + x2, y_pusat - y2);
gp4.lineTo(x_pusat - x2, y_pusat - y2);
}
this.p = Ry2 * (x2 + 0.5) * (x2 + 0.5) + Rx2 * (y2 - 1) * (y2 - 1) - Rx2 * Ry2;
while (y2 > 0) {
y2--;
py -= twoRx2;
if (p > 0) {
p += Rx2 - py;
} else {
x2++;
px += twoRy2;
p += Ry2 + px - py;
}
gp.lineTo(x_pusat + x2, y_pusat + y2);
gp2.lineTo(x_pusat - x2, y_pusat + y2);
gp3.lineTo(x_pusat + x2, y_pusat - y2);
gp4.lineTo(x_pusat - x2, y_pusat - y2);
}
this.repaint();
}
public void paintComponent(Graphics gambar1) {
super.paintComponents(gambar1);
Graphics2D g2 = (Graphics2D) gambar1;
GradientPaint backs = new GradientPaint(300, 90, new Color(51, 255, 255), 300, 350, new Color(0, 51, 255));
g2.setPaint(backs);
g2.fillRect(0, 0, 900, 900);
// mewarnai badan rumah
g2.setColor(Color.gray);
g2.fillRect(200, 200, 450, 300);
// genteng
g2.setColor(new Color(204, 51, 0));
gp9.moveTo(200, 200);
gp9.lineTo(425, 35);
gp9.lineTo(650, 200);
gp9.closePath();
g2.draw(gp9);
g2.fill(gp9);
// mewarnai jendela 1
g2.setColor(new Color(255, 255, 255));
g2.fillRect(230, 220, 108, 55);
// mewarnai jendela 2
g2.setColor(new Color(255, 255, 255));
g2.fillRect(520, 220, 108, 55);
// mewarnai pintu
g2.setColor(Color.yellow);
g2.fillRect(380, 340, 100, 160);
// mewarnai bundar atas pintu
g2.setColor(Color.orange);
g2.fillOval(380, 300, 100, 100);
// mewarnai pintu
g2.setColor(Color.yellow);
g2.fillRect(380, 340, 100, 65);
// mewarnai engsel pintu
g2.setColor(new Color(0, 0, 0));
g2.fillOval(380, 380, 15, 30);
g2.setColor(Color.black);
BasicStroke tebal = new BasicStroke(3.0f);
g2.setStroke(tebal);
g2.draw(gp);
g2.draw(gp2);
g2.draw(gp3);
g2.draw(gp4);
g2.draw(gp5);
g2.draw(gp6);
g2.draw(gp7);
g2.draw(gp8);
}
public static void main(String[] args) {
JFrame kom = new JFrame();
kom.setTitle("umah gue");
kom.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
lukis asa = new lukis();
kom.getContentPane().add(asa);
kom.setSize(800, 600);
kom.setVisible(true);
kom.setLocationRelativeTo(null);
//membuat badan rumah
asa.gambar_kotak_Bressenham(200, 200, 650, -100);
// jendela 1
asa.gambar_kotak_Bressenham(230, 220, 285, 7);
// jendela 2
asa.gambar_kotak_Bressenham(520, 220, 600, 165);
// engsel pintu
asa.gambar_elips_midpoint(400, 400, 10, 20);
}
}
OUTPUT nya
Postingan
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