java-창 프로그램 -circle
11778 단어 gui
import com.sun.awt.AWTUtilities;
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
public class Circle {
static int DIV_NUM = 0;
public static void main(String[] args) {
int diam = 800;
if (args != null && args.length >= 1) {
try {
diam = Integer.parseInt(args[0]);
} catch (Exception e) {
}
}
int divNum = 16;
if (args != null && args.length >= 2) {
try {
divNum = Integer.parseInt(args[1]);
} catch (Exception e) {
}
}
if (divNum % 2 != 0) {
return;
}
DIV_NUM = divNum;
JFrame jf = new JFrame();
RoundRectPanel jp = new RoundRectPanel(jf);
jp.setLayout(null);
jp.setOpaque(false);//Panel
jp.setBorder(new RoundRectBorder(Color.WHITE));
jf.add(jp);
jf.setUndecorated(true);//
jf.setBounds(300, 200, diam, diam);
AWTUtilities.setWindowOpaque(jf, false);//JFrame
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setVisible(true);
jf.setLocationRelativeTo(null);
ReSizeEvent dg = new ReSizeEvent(jf);
/** **/
jf.addMouseListener(dg);
jf.addMouseMotionListener(dg);
jf.setAlwaysOnTop(true);
}
}
class RoundRectPanel extends JPanel {
private JFrame jf;
public RoundRectPanel(JFrame jf) {
super();
this.jf = jf;
}
@Override
protected void paintComponent(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.WHITE);
BasicStroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 10.0f, new float[] {10, 10}, 0);
g2d.setStroke(stroke);
int diam = jf.getWidth();
int div = Circle.DIV_NUM / 2;
int length = diam / Circle.DIV_NUM;
int radius = diam / 2;
//
for (int i = 1; i < div; i++) {
int divLength = cal(radius, (div - i) * length);
int[] topLeft = new int[] {radius - divLength, length * i};
int[] topRight = new int[] {radius + divLength, length * i};
int[] bottomLeft = new int[] {radius - divLength, length * (div * 2 - i)};
int[] bottomRight = new int[] {radius + divLength, length * (div * 2 - i)};
g2d.drawLine(topLeft[0], topLeft[1], topRight[0], topRight[1]);
g2d.drawLine(topLeft[0], topLeft[1], bottomLeft[0], bottomLeft[1]);
g2d.drawLine(bottomLeft[0], bottomLeft[1], bottomRight[0], bottomRight[1]);
g2d.drawLine(bottomRight[0], bottomRight[1], topRight[0], topRight[1]);
}
g2d.drawLine(0, length * div, radius * 2, length * div);
//
for (int i = 1; i < div; i++) {
int divLength = cal(radius, (div - i) * length);
int[] leftTop = new int[] {length * i, radius - divLength};
int[] leftBottom = new int[] {length * i, radius + divLength};
int[] rightTop = new int[] {length * (div * 2 - i), radius - divLength};
int[] rightBottom = new int[] {length * (div * 2 - i), radius + divLength};
g2d.drawLine(leftTop[0], leftTop[1], leftBottom[0], leftBottom[1]);
g2d.drawLine(leftTop[0], leftTop[1], rightTop[0], rightTop[1]);
g2d.drawLine(rightTop[0], rightTop[1], rightBottom[0], rightBottom[1]);
g2d.drawLine(rightBottom[0], rightBottom[1], leftBottom[0], leftBottom[1]);
}
g2d.drawLine(length * div, 0, length * div, radius * 2);
//
double magic = 1.4142;
int xieXian = new Double(magic * diam).intValue();
int divLength = new Double(length / magic).intValue();
for (int i = 1; i < div; i++) {
int a = radius + i * divLength;
int b = radius - i * divLength;
int c = new Double(cal(radius, i * length) / magic).intValue();
g2d.drawLine(a - c, b - c, a + c, b + c);
a = radius - i * divLength;
b = radius + i * divLength;
g2d.drawLine(a - c, b - c, a + c, b + c);
a = radius - i * divLength;
b = radius - i * divLength;
g2d.drawLine(a + c, b - c, a - c, b + c);
a = radius + i * divLength;
b = radius + i * divLength;
g2d.drawLine(a + c, b - c, a - c, b + c);
}
int ss = new Double(((xieXian - diam) / 2) / magic).intValue();
int ss2 = new Double(((xieXian - diam) / 2 + diam) / magic).intValue();
g2d.drawLine(ss, ss, ss2, ss2);
g2d.drawLine(ss, ss2, ss2, ss);
}
private static int cal(int radius, int length) {
return new Double(Math.sqrt((Double.parseDouble(String.valueOf(radius * radius - length * length))))).intValue();
}
}
class RoundRectBorder implements Border {
Color color;
public RoundRectBorder() {
super();
this.color = Color.RED;
}
public RoundRectBorder(Color color) {
this.color = color;
}
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setColor(color);
((Graphics2D) g).setStroke(new BasicStroke(1.0f));
g.drawRoundRect(0, 0, c.getWidth() - 1, c.getHeight() - 1, c.getWidth(), c.getHeight());
}
@Override
public Insets getBorderInsets(Component c) {
return new Insets(0, 0, 0, 0);
}
@Override
public boolean isBorderOpaque() {
return false;
}
}
class ReSizeEvent extends MouseAdapter {
private JFrame jf;
private Point prePos, curPos, jfPos;
private static final double BREADTH = 15.0;//
private int dragType;
private static final int DRAG_MOVE = 1;
private static final int DRAG_UP = 2;
private static final int DRAG_UPLEFT = 3;
private static final int DRAG_UPRIGHT = 4;
private static final int DRAG_LEFT = 5;
private static final int DRAG_RIGHT = 6;
private static final int DRAG_BOTTOM = 7;
private static final int DRAG_BOTTOMLEFT = 8;
private static final int DRAG_BOTTOMRIGHT = 9;
public ReSizeEvent(JFrame jf) {
this.jf = jf;
}
@Override
public void mousePressed(MouseEvent e) {
prePos = e.getLocationOnScreen();
}
@Override
public void mouseMoved(MouseEvent e) {
areaCheck(e.getPoint());
}
@Override
public void mouseDragged(MouseEvent e) {
curPos = e.getLocationOnScreen();
jfPos = jf.getLocation();
dragAction();
prePos = curPos;
}
private void dragAction() {
switch (dragType) {
case DRAG_MOVE:
jf.setLocation(jfPos.x + curPos.x - prePos.x,
jfPos.y + curPos.y - prePos.y);
break;
case DRAG_UP://x ，y ， Height
jf.setLocation(jfPos.x,
jfPos.y + curPos.y - prePos.y);
int diam = jf.getHeight() - (curPos.y - prePos.y);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_LEFT://y ，x ，width
jf.setLocation(jfPos.x + curPos.x - prePos.x,
jfPos.y);
diam = jf.getWidth() - (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_RIGHT://x,y ，width
jf.setLocation(jfPos.x,
jfPos.y);
diam = jf.getWidth() + (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_BOTTOM://x,y ，Height
jf.setLocation(jfPos.x,
jfPos.y);
diam = jf.getHeight() + (curPos.y - prePos.y);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_UPLEFT://x,y ，h,w
jf.setLocation(jfPos.x + curPos.x - prePos.x,
jfPos.y + curPos.y - prePos.y);
diam = jf.getWidth() - (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_BOTTOMRIGHT://x,y ，h,w
jf.setLocation(jfPos.x,
jfPos.y);
diam = jf.getWidth() + (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_UPRIGHT://x ，y,w,h
jf.setLocation(jfPos.x,
jfPos.y + curPos.y - prePos.y);
diam = jf.getWidth() + (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
case DRAG_BOTTOMLEFT://y ，xwh
jf.setLocation(jfPos.x + curPos.x - prePos.x,
jfPos.y);
diam = jf.getWidth() - (curPos.x - prePos.x);
jf.setSize(diam, diam);
jf.repaint();
break;
default:
break;
}
}
private boolean areaCheck(Point p) {
if (p.getX() <= BREADTH && p.getY() <= BREADTH) {
dragType = DRAG_UPLEFT;
jf.setCursor(new Cursor(Cursor.NW_RESIZE_CURSOR));
} else if (p.getX() > BREADTH
&& p.getX() < (jf.getWidth() - BREADTH)
&& p.getY() <= BREADTH) {
dragType = DRAG_UP;
jf.setCursor(new Cursor(Cursor.N_RESIZE_CURSOR));
} else if (p.getX() >= (jf.getWidth() - BREADTH) && p.getY() <= BREADTH) {
dragType = DRAG_UPRIGHT;
jf.setCursor(new Cursor(Cursor.NE_RESIZE_CURSOR));
} else if (p.getX() <= BREADTH
&& p.getY() < (jf.getHeight() - BREADTH)
&& p.getY() > BREADTH) {
dragType = DRAG_LEFT;
jf.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR));
} else if (p.getX() >= (jf.getWidth() - BREADTH)
&& p.getY() < (jf.getHeight() - BREADTH)
&& p.getY() > BREADTH) {
dragType = DRAG_RIGHT;
jf.setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));
} else if (p.getX() <= BREADTH
&& p.getY() >= (jf.getHeight() - BREADTH)) {
dragType = DRAG_BOTTOMLEFT;
jf.setCursor(new Cursor(Cursor.SW_RESIZE_CURSOR));
} else if (p.getX() > BREADTH
&& p.getX() < (jf.getWidth() - BREADTH)
&& p.getY() >= (jf.getHeight() - BREADTH)) {
dragType = DRAG_BOTTOM;
jf.setCursor(new Cursor(Cursor.S_RESIZE_CURSOR));
} else if (p.getX() >= (jf.getWidth() - BREADTH)
&& p.getY() >= (jf.getHeight() - BREADTH)) {
dragType = DRAG_BOTTOMRIGHT;
jf.setCursor(new Cursor(Cursor.SE_RESIZE_CURSOR));
} else {
dragType = DRAG_MOVE;
jf.setCursor(new Cursor(Cursor.MOVE_CURSOR));
return false;
}
return true;
}
}
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