おえかき その9 図形を増やそうAdvertisementかける図形をふやそー
色が選択できるようになったから、塗りつぶした図形をかけるようにしよ。
図形増やして、あーそうだ。図形のCheckboxItemMenuも配列化しちゃお。ほら、さらに増やすときに、すっげーラクだからさ。 やるぜ
配列化とかリスナ登録とかは前回と同じ感じ。
図形のクラスが2個増える→図形オブジェクト生成の場所（mouseReleased）変更。 ん、それだけだな。
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class Gr{
public static void main(String args[]){
mainFrame f = new mainFrame();
f.setSize(400, 300);
f.setTitle("タイトル");
f.show();
}
}
class mainFrame extends Frame implements WindowListener,
MouseListener, ActionListener, ItemListener{
int x, y;
int figureFlag;
Color col;
Vector v1 = new Vector();
MenuBar mb = new MenuBar();
Menu file, edit, help;
Menu figure, color;
MenuItem quit, undo, clear;
CheckboxMenuItem[] figItem = new CheckboxMenuItem[5];
CheckboxMenuItem[] colItem = new CheckboxMenuItem[13];
mainFrame(){
int i;
col = Color.black;
figureFlag = 0;
file = new Menu("ファイル");
edit = new Menu("編集");
help = new Menu("ヘルプ");
figure = new Menu("図形選択");
color = new Menu("描画色選択");
quit = new MenuItem("終了", new MenuShortcut(KeyEvent.VK_X, false));
undo = new MenuItem("元に戻す", new MenuShortcut(KeyEvent.VK_Z, false));
clear = new MenuItem("画面消去");
String[] str1 = {"直線","四角形","楕円",
"塗りつぶした四角形","塗りつぶした楕円"};
for(i = 0; i < figItem.length; i++)
figItem[i] = new CheckboxMenuItem(str1[i]);
figItem[0].setShortcut(new MenuShortcut(KeyEvent.VK_L, false));
figItem[1].setShortcut(new MenuShortcut(KeyEvent.VK_R, false));
figItem[2].setShortcut(new MenuShortcut(KeyEvent.VK_O, false));
String[] str2 = {"黒","青","シアン",
"ダークグレイ","グレイ",
"緑","ライトグレイ",
"マゼンダ","オレンジ",
"ピンク","赤","白","黄色"};
for(i = 0; i < colItem.length; i++)
colItem[i] = new CheckboxMenuItem(str2[i]);
for(i = 0; i < figItem.length; i++){figure.add(figItem[i]);}
for(i = 0; i < colItem.length; i++){color.add(colItem[i]);}
file.add(quit);
edit.add(undo);
edit.addSeparator();
edit.add(figure);
edit.add(color);
edit.add(clear);
mb.add(file);
mb.add(edit);
mb.add(help);
mb.setHelpMenu(help);
setMenuBar(mb);
for(i = 0; i < figItem.length; i++){figItem[i].addItemListener(this);}
for(i = 0; i < colItem.length; i++){colItem[i].addItemListener(this);}
quit.addActionListener(this);
clear.addActionListener(this);
undo.addActionListener(this);
addWindowListener(this);
addMouseListener(this);
figItem[0].setState(true);
colItem[0].setState(true);
}
public void paint(Graphics g){
for(int i = 0; i < v1.size(); i++){
((Figure)v1.elementAt(i)).Draw(g);
}
}
public void mousePressed(MouseEvent e){
x = e.getX();
y = e.getY();
}
public void mouseReleased(MouseEvent e){
if(figureFlag == 0){
v1.addElement(new LineData(x, y, e.getX(), e.getY(), col));
}else if(figureFlag == 1){
v1.addElement(new RectData(x, y, e.getX(), e.getY(), col));
}else if(figureFlag == 2){
v1.addElement(new OvalData(x, y, e.getX(), e.getY(), col));
}else if(figureFlag == 3){
v1.addElement(new FillRectData(x, y, e.getX(), e.getY(), col));
}else if(figureFlag == 4){
v1.addElement(new FillOvalData(x, y, e.getX(), e.getY(), col));
}
repaint();
}
public void windowClosing(WindowEvent e){
System.exit(0);
}
public void actionPerformed(ActionEvent e){
if(e.getSource() == quit){
System.exit(0);
}
if(e.getSource() == undo && v1.size() > 0){
v1.remove(v1.size()-1);
repaint();
}
if(e.getSource() == clear){
v1.removeAllElements();
repaint();
}
}
public void itemStateChanged(ItemEvent e){
if(e.getSource() == figItem[0]){
figureFlag = 0;
for(int i = 0; i < figItem.length; i++){figItem[i].setState(false);}
figItem[0].setState(true);
}else if(e.getSource() == figItem[1]){
figureFlag = 1;
for(int i = 0; i < figItem.length; i++){figItem[i].setState(false);}
figItem[1].setState(true);
}else if(e.getSource() == figItem[2]){
figureFlag = 2;
for(int i = 0; i < figItem.length; i++){figItem[i].setState(false);}
figItem[2].setState(true);
}else if(e.getSource() == figItem[3]){
figureFlag = 3;
for(int i = 0; i < figItem.length; i++){figItem[i].setState(false);}
figItem[3].setState(true);
}else if(e.getSource() == figItem[4]){
figureFlag = 4;
for(int i = 0; i < figItem.length; i++){figItem[i].setState(false);}
figItem[4].setState(true);
}
if(e.getSource() == colItem[0]){
col = Color.black;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[0].setState(true);
}else if(e.getSource() == colItem[1]){
col = Color.blue;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[1].setState(true);
}else if(e.getSource() == colItem[2]){
col = Color.cyan;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[2].setState(true);
}else if(e.getSource() == colItem[3]){
col = Color.darkGray;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[3].setState(true);
}else if(e.getSource() == colItem[4]){
col= Color.gray;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[4].setState(true);
}else if(e.getSource() == colItem[5]){
col = Color.green;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[5].setState(true);
}else if(e.getSource() == colItem[6]){
col = Color.lightGray;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[6].setState(true);
}else if(e.getSource() == colItem[7]){
col = Color.magenta;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[7].setState(true);
}else if(e.getSource() == colItem[8]){
col = Color.orange;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[8].setState(true);
}else if(e.getSource() == colItem[9]){
col = Color.pink;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[9].setState(true);
}else if(e.getSource() == colItem[10]){
col = Color.red;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[10].setState(true);
}else if(e.getSource() == colItem[11]){
col = Color.white;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[11].setState(true);
}else if(e.getSource() == colItem[12]){
col = Color.yellow;
for(int i = 0; i < colItem.length; i++){colItem[i].setState(false);}
colItem[12].setState(true);
}
}
public void windowOpened(WindowEvent e){}
public void windowClosed(WindowEvent e){}
public void windowIconified(WindowEvent e){}
public void windowDeiconified(WindowEvent e){}
public void windowActivated(WindowEvent e){}
public void windowDeactivated(WindowEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseClicked(MouseEvent e){}
}
abstract class Figure{
protected int sx;
protected int sy;
protected int ex;
protected int ey;
protected Color col;
public Figure(int x1, int y1, int x2, int y2, Color c){
sx = x1;
sy = y1;
ex = x2;
ey = y2;
col = c;
}
abstract void Draw(Graphics g);
}
class LineData extends Figure{
public LineData(int x1, int y1, int x2, int y2, Color c){
super(x1, y1, x2, y2, c);
}
public void Draw(Graphics g){
g.setColor(col);
g.drawLine(sx, sy, ex, ey);
}
}
class RectData extends Figure{
public RectData(int x1, int y1, int x2, int y2, Color c){
super(x1, y1, x2, y2, c);
}
public void Draw(Graphics g){
g.setColor(col);
g.drawRect(sx<ex?sx:ex, sy<ey?sy:ey,
Math.abs(sx-ex), Math.abs(sy-ey));
}
}
class OvalData extends Figure{
public OvalData(int x1, int y1, int x2, int y2, Color c){
super(x1, y1, x2, y2, c);
}
public void Draw(Graphics g){
g.setColor(col);
g.drawOval(sx<ex?sx:ex, sy<ey?sy:ey,
Math.abs(sx-ex), Math.abs(sy-ey));
}
}
class FillRectData extends Figure{
public FillRectData(int x1, int y1, int x2, int y2, Color c){
super(x1, y1, x2, y2, c);
}
public void Draw(Graphics g){
g.setColor(col);
g.fillRect(sx<ex?sx:ex, sy<ey?sy:ey,
Math.abs(sx-ex), Math.abs(sy-ey));
}
}
class FillOvalData extends Figure{
public FillOvalData(int x1, int y1, int x2, int y2, Color c){
super(x1, y1, x2, y2, c);
}
public void Draw(Graphics g){
g.setColor(col);
g.fillOval(sx<ex?sx:ex, sy<ey?sy:ey,
Math.abs(sx-ex), Math.abs(sy-ey));
}
}
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