import java.applet.*; import java.awt.*; import java.awt.event.*; public class m0104272_3 extends Applet { static int WIDTH, HEIGHT; // 画面サイズ Point point[][]; // 制御点 int point_num = 0; // 制御点の番号 int captured_point = -1; // つかんでいる制御点の番号 //（-1のときつかんでいない） boolean capture_mode_FLG; // 線を制御できるかを表すフラグ static final int point_data[][][] = // 点情報 { //輪郭 {{180,113},{73,226},{180,320},{358,288},{325,147}}, //目 {{183,155},{171,158},{171,168},{180,173}}, {{180,173},{195,171},{195,158},{183,155}}, {{276,186},{266,188},{266,200},{275,205}}, {{275,205},{290,204},{290,189},{276,186}}, //鼻 {{148,178},{208,225},{215,210}}, {{148,178},{225,198},{215,210}}, //ほっぺ {{265,225},{271,218},{280,218},{286,227}}, {{265,225},{271,232},{280,232},{286,227}}, //口 {{170,235},{200,265},{244,246}}, //帽子 {{135,98},{168,120},{210,111}}, {{210,111},{243,110},{270,123}}, {{270,123},{300,146},{328,144}}, {{328,144},{360,142},{388,148}}, {{137,93},{136,96},{135,98}}, {{390,143},{389,146},{388,148}}, {{137,93},{170,115},{212,106}}, {{212,106},{245,105},{272,118}}, {{272,118},{302,141},{330,139}}, {{330,139},{362,137},{390,143}}, {{190,106},{214,32},{244,7}}, {{244,7},{290,9},{310,20}}, {{310,20},{369,30},{368,25}}, {{368,25},{361,86},{333,138}}, {{210,63},{282,98},{355,93}}, //マフラー {{150,230},{147,250},{160,260}}, {{160,260},{145,258},{122,284}}, {{122,284},{110,310},{62,325}}, {{62,325},{64,348},{100,351}}, {{179,254},{159,251},{148,287}}, {{148,287},{125,357},{65,370}}, {{65,370},{135,430},{203,415}}, {{203,415},{205,380},{215,358}}, {{215,358},{240,300},{237,267}}, {{235,278},{268,284},{286,270}}, {{286,270},{310,250},{300,240}}, {{123,340},{160,360},{212,364}}, {{108,358},{150,380},{208,384}}, //体 {{60,480},{18,429},{10,348},{86,243},{155,251}}, {{285,268},{355,318},{375,380},{352,445},{325,480}}, //手 {{310,365},{358,340},{405,326}}, {{398,308},{404,327},{415,335}}, {{398,308},{405,300},{411,302}}, {{415,335},{421,333},{424,329}}, {{411,302},{428,272},{468,277},{478,296},{454,308},{432,313}}, {{432,313},{454,308},{476,315},{434,335},{424,329}}, //飾り {{71,155},{59,158},{59,168},{68,173}}, {{68,173},{83,171},{83,158},{71,155}}, {{56,166},{46,168},{46,180},{55,185}}, {{55,185},{70,184},{70,169},{56,166}}, {{58,166},{33,125},{62,90}}, {{62,90},{80,125},{58,166}}, {{58,166},{54,125},{59,118}}, {{58,166},{15,165},{10,145}}, {{10,145},{50,145},{58,166}}, }; Label tf; Graphics offg, backg; Image offi, backi; public void initialize() // 制御点の設定 { int i; point = new Point[point_data.length][]; for(i = 0; i < point.length; i++) { point[i] = new Point[point_data[i].length]; for(int j = 0; j < point_data[i].length; j++) point[i][j] = new Point(point_data[i][j][0], point_data[i][j][1]); } } public void init() { WIDTH = 480; HEIGHT = 480; Button increment, decrement, modify; increment = new Button("線を選ぶ(+)"); // 画面設定 decrement = new Button("線を選ぶ(-)"); modify = new Button("制御点を移動する"); tf = new Label(Integer.toString(point_num)); add(modify); add(increment); add(decrement); add(tf); increment.addActionListener(new ActionListener() // 制御点番号を増やす { public void actionPerformed(ActionEvent ae) { point_num++; if(point_num >= point.length) point_num = 0; tf.setText(Integer.toString(point_num)); repaint(); } }); decrement.addActionListener(new ActionListener() // 制御点番号を減らす { public void actionPerformed(ActionEvent ae) { point_num--; if(point_num < 0) point_num = point.length-1; tf.setText(Integer.toString(point_num)); repaint(); } }); modify.addActionListener(new ActionListener() // モード変更 { public void actionPerformed(ActionEvent ae) { capture_mode_FLG = !capture_mode_FLG; repaint(); } }); addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent me) // 制御点をつかむ { int i, mx = me.getX(), my = me.getY(); for(i = 0; i < point[point_num].length; i++) { if(point[point_num][i].x-3 <= mx && point[point_num][i].x+3 >= mx && point[point_num][i].y-3 <= my && point[point_num][i].y+3 >= my) break; } if(i < point[point_num].length) captured_point = i; } public void mouseReleased(MouseEvent me) { captured_point = -1; } }); addMouseMotionListener(new MouseMotionAdapter() // 制御点を動かす { public void mouseDragged(MouseEvent me) { if(captured_point == -1) return; point[point_num][captured_point].setLocation(me.getX(), me.getY()); repaint(); } }); initialize(); offi = createImage(WIDTH, HEIGHT); offg = offi.getGraphics(); backi = createImage(WIDTH, HEIGHT); backg = backi.getGraphics(); setBackImage(backg); // test! addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent ke) { int c = ke.getKeyCode(); if(c == 'P') { System.out.println("{"); for(int i = 0; i < point[point_num].length; i++) System.out.println(""+point[point_num][i].x +", "+point[point_num][i].y); System.out.println("},"); } else if(c == 'B') { //BezierCurve(backg, Color.red); repaint(); } } }); } public void setBackImage(Graphics g) // 背景の用意 { g.setColor(Color.white); g.fillRect(0, 0, WIDTH, HEIGHT); g.setColor(Color.black); g.drawRect(0, 0, WIDTH-1, HEIGHT-1); // 枠描画 } public int kaijyo(int num) // 階乗を計算 { int total = 1; if(num == 0) return 1; for(; num > 1; num--) total *= num; return total; } public void BezierCurve(Graphics g, Color color, Point point[]) // 曲線描画 { int i, j; double x1, x2, y1, y2; double bernstein[] = new double[point.length]; x1 = point[0].x; y1 = point[0].y; g.setColor(color); for(double t = 0; t <= 1; t += 0.01) { for(i = 0; i < point.length; i++) // bernstein関数を計算 { bernstein[i] = (double)kaijyo(point.length-1) / (kaijyo(i)*kaijyo(point.length-1-i)); for(j = 1; j <= i; j++) bernstein[i] *= t; for(j = 1; j <= point.length-1-i; j++) bernstein[i] *= (1-t); } x2 = y2 = 0; for(i = 0; i < point.length; i++) { x2 += point[i].x * bernstein[i]; y2 += point[i].y * bernstein[i]; } g.drawLine((int)x1, (int)y1, (int)x2, (int)y2); x1 = x2; y1 = y2; } } public void paint(Graphics g) { requestFocus(); offg.drawImage(backi, 0, 0, this); // 背景の描画 if(capture_mode_FLG) // 制御点の描画 { offg.setColor(Color.red); for(int i = 0; i < point[point_num].length; i++) { offg.fillRect(point[point_num][i].x-3, point[point_num][i].y-3, 7, 7); offg.drawString(Integer.toString(i+1), point[point_num][i].x-3, point[point_num][i].y-6); } } for(int i = 0; i < point.length; i++) // 曲線描画 { if(capture_mode_FLG && point_num == i) BezierCurve(offg, Color.blue, point[i]); else BezierCurve(offg, Color.black, point[i]); } g.drawImage(offi, 0, 0, this); } public void update(Graphics g) { paint(g); } }