import java.applet.*; import java.awt.*; import java.awt.event.*; public class m0104304_04 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 boolean swichi; //解説を表示しているかを表すフラグ static final int fontsize[]={2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}; //線の太さの初期値 static final int point_data[][][] = // 点情報 { { {185,265}, {145,195}, {70,175}, },//羽 { {70,175}, {60,185}, {55,205}, }, { {55,205}, {60,235}, {55,250}, }, { {205,272}, {165,195}, {120,165}, }, { {120,165}, {105,160}, {105,190}, }, { {185,265}, {180,262}, {175,270}, }, { {185,265}, {205,270}, {225,282}, },//顔とはね { {225,282}, {230,286}, {245,302}, }, { {245,302}, {240,307}, {225,302}, },//口 { {225,302}, {220,310}, {215,309}, }, { {215,309}, {190,334}, {175,324}, }, { {175,324}, {165,344}, {85,364}, }, { {85,364}, {70,360}, {55,345}, }, { {55,345}, {45,324}, {48,314}, }, { {48,314}, {45,304}, {40,294}, }, { {40,294}, {45,284}, {50,279}, }, { {50,279}, {40,269}, {40,265}, }, { {40,265}, {45,240}, {105,250}, }, { {105,250}, {115,240}, {175,270}, }, { {175,270}, {165,275}, {155,290}, }, { {155,290}, {165,305}, {175,324}, }, /*{ {155,490}, {135,505}, {58,514}, },//模様 { {155,490}, {135,505}, {90,554}, }, { {155,490}, {115,475}, {70,545}, }, { {155,490}, {115,475}, {60,479}, }, */ { {85,364}, {80,375}, {90,354}, },//模様 { {90,354}, {80,335}, {70,345}, }, { {70,345}, {80,325}, {58,314}, }, { {58,314}, {80,305}, {60,279}, }, { {60,279}, {80,275}, {75,247}, }, { {70,247}, {90,225}, {85,179}, }, { {225,282}, {255,270}, {305,282}, },//触覚 { {225,282}, {255,260}, {295,272}, }, //{ {215,509}, {190,534}, {225,544}, },//足 //{ {215,509}, {190,534}, {225,554}, }, { {195,324}, {220,314}, {235,324}, }, { {235,324}, {238,344}, {255,374}, }, { {215,315}, {230,314}, {245,324}, }, { {245,324}, {250,344}, {255,364}, }, { {185,328}, {185,354}, {195,370}, }, { {185,328}, {165,344}, {175,364}, }, { {230,418}, {255,355}, {295,340}, }, //花 { {245,435}, {245,360}, {295,340}, }, { {295,340}, {315,330}, {300,355}, }, { {245,420}, {280,360}, {320,360}, }, { {320,360}, {305,410}, {280,425}, }, { {310,390}, {330,370}, {360,360}, }, { {360,360}, {360,380}, {340,410}, }, { {280,460}, {335,405}, {385,385}, }, { {360,425}, {365,405}, {385,385}, }, { {360,425}, {345,455}, {315,470}, }, { {365,385}, {400,375}, {385,385}, }, { {345,335}, {310,335}, {285,370}, }, { {345,335}, {335,340}, {315,360}, }, { {345,335}, {350,335}, {340,350}, }, { {355,345}, {330,350}, {320,360}, }, { {355,345}, {350,360}, {340,370}, }, { {355,345}, {355,355}, {350,365}, }, { {375,345}, {360,350}, {355,355}, }, { {375,345}, {375,380}, {360,395}, }, { {175,545}, {175,480}, {160,395}, },//草 { {205,545}, {205,480}, {160,395}, }, { {275,545}, {205,480}, {270,455}, }, { {205,545}, {195,480}, {270,455}, }, { {175,545}, {175,480}, {100,395}, }, { {105,545}, {135,480}, {100,395}, }, { {75,545}, {75,480}, {80,395}, }, { {105,545}, {115,480}, {80,395}, }, { {75,545}, {75,480}, {20,355}, }, { {15,545}, {45,480}, {20,355}, }, { {275,545}, {205,480}, {370,455}, }, { {305,545}, {295,480}, {370,455}, }, { {375,545}, {405,480}, {570,405}, }, { {305,545}, {295,480}, {570,405}, }, { {375,545}, {405,480}, {490,495}, }, { {405,545}, {455,480}, {490,495}, }, { {435,545}, {405,500}, {500,555}, }, { {405,545}, {445,480}, {500,555}, }, }; TextField zahyo; // 曲線を指定する点の座標を表示 Label tf; Graphics offg, backg, setumei, setumei2, setumei3, setumei4, setumei5; Image offi, backi; Button kaisetu = new Button("名前の表示"); //説明のボタン 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() { Dimension d = getSize(); WIDTH = 800; HEIGHT = 800; Button increment, decrement, modify; increment = new Button("＜＜線の選択"); // 画面設定 decrement = new Button("線の選択＞＞"); modify = new Button("修正"); tf = new Label(Integer.toString(point_num)); // 線の番号 Button width_up = new Button("太くする"); Button width_down = new Button("細くする"); zahyo = new TextField("蝶＆花＆草", 50); //座標表示用 add(zahyo); add(modify); add(increment); add(decrement); add(tf); add(width_up); add(width_down); add(kaisetu); 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(); } }); kaisetu.addActionListener(new ActionListener() // 解説表示を切り替える { public void actionPerformed(ActionEvent ae) { if(swichi) { setumei = getGraphics(); setumei2 = getGraphics(); setumei3 = getGraphics(); setumei4 = getGraphics(); setumei5 = getGraphics(); setumei.drawString("",180,100); setumei2.drawString("",180,114); setumei3.drawString("",180,128); setumei4.drawString("",180,142); setumei5.drawString("",60,423); kaisetu.setLabel("名前の表示"); swichi = !swichi; repaint(); } else { setumei = getGraphics(); setumei2 = getGraphics(); setumei3 = getGraphics(); setumei4 = getGraphics(); setumei5 = getGraphics(); setumei2.drawString("蝶",250,254); setumei3.drawString("花",280,328); setumei3.drawString("草",550,500); kaisetu.setLabel("非表示"); swichi = !swichi; } } }); width_up.addActionListener(new ActionListener() // 線を太くする { public void actionPerformed(ActionEvent ae) { if(capture_mode_FLG){ if(fontsize[point_num] == 7) fontsize[point_num] = 7; else fontsize[point_num]++; } repaint(); } }); width_down.addActionListener(new ActionListener() // 線を細くする { public void actionPerformed(ActionEvent ae) { if(capture_mode_FLG){ if(fontsize[point_num] == 1) fontsize[point_num] = 1; else fontsize[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 ) 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.black); 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); // 枠の描画 } 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[], int num) // 曲線描画 { Graphics2D g2=(Graphics2D)g; int i, j; double x1, x2, y1, y2; double bernstein[] = new double[point.length+1]; x1 = point[0].x; y1 = point[0].y; g.setColor(color); g2.setStroke(new BasicStroke(fontsize[num])); 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); g.fillOval(210,280,15,15); 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); } zahyo.setText( //座標の表示 "{{"+ Integer.toString( point[point_num][0].x ) + "," + Integer.toString( point[point_num][0].y ) +"}," + "{" + Integer.toString( point[point_num][1].x ) + "," + Integer.toString( point[point_num][1].y ) + "}," + "{" + Integer.toString( point[point_num][2].x ) + "," + Integer.toString( point[point_num][2].y ) + "}}," ); } 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],i); else BezierCurve(offg, Color.black, point[i],i); } g.drawImage(offi, 0, 0, this); } public void update(Graphics g) { paint(g); } }