質問編集履歴
3
追加
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@@ -198,4 +198,80 @@
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{
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}
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}
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```
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さらに追記
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```ここに言語を入力
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class GPanel extends JPanel implements MouseListener, MouseMotionListener{
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private int move_x = -100;
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private int move_y = -100;
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private int start_x = -100;
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private int start_y = -100;
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private boolean flag = false;
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BufferedImage seve_field = new BufferedImage(600,600, BufferedImage.TYPE_4BYTE_ABGR);
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public GPanel()
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{
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addMouseListener(this);
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addMouseMotionListener(this);
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}
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@Override
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public void paintComponent(Graphics g)
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{
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Graphics2D g2= (Graphics2D)g;
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BasicStroke BStroke = new BasicStroke(5.0f);
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g2.setStroke(BStroke);
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g2.setColor(Color.RED);
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Graphics seve = seve_field.createGraphics();
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Graphics2D seve2= (Graphics2D)seve;
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seve2.setStroke(BStroke);
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seve2.setColor(Color.RED);
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if(start_x==-100||start_y== -100||move_x==-100||move_y==-100)
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{
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move_x = move_y = start_x = start_y = -100;
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}
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g2.drawImage(seve_field,0,0,this);
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seve2.drawLine(start_x, start_y, move_x, move_y);
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g2.drawLine(start_x, start_y, move_x, move_y);
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start_x = move_x;
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start_y = move_y;
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}
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@Override
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public void mousePressed(MouseEvent e)
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{
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flag =false;
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start_x = move_x = e.getX();
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start_y = move_y = e.getY();
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}
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@Override
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public void mouseReleased(MouseEvent e)
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{
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flag = true;
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move_x = move_y = start_x = start_y = -100;
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}
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@Override
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public void mouseDragged(MouseEvent e)
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{
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move_x = e.getX();
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move_y = e.getY();
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repaint();
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}
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@Override
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public void mouseClicked(MouseEvent e)
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{
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}
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@Override
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public void mouseEntered(MouseEvent e)
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{
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}
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@Override
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public void mouseExited(MouseEvent e)
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{
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}
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@Override
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public void mouseMoved(MouseEvent e)
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{
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}
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```
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2
修正
title
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File without changes
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body
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@@ -160,13 +160,12 @@
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{
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start_x = move_x = e.getX();
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start_y = move_y = e.getY();
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-
System.out.println(e.getY());
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}
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@Override
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public void mouseReleased(MouseEvent e)
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-
{ move_x = -100;
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{ move_x = -100;
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move_y = -100;
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-
start_x= -100;
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start_x= -100;
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start_y = -100;
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}
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@Override
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1
追記
title
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File without changes
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body
CHANGED
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@@ -1,6 +1,6 @@
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1
1
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どうしてもドラックしたときのイベントで連続描写すると隙間が開いてしまいます。forで1ずつ描写してもおかしいです。今のところ横だけのテストなんですがどこがおかしいのかわかりません。アドバイスをお願いします。
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2
2
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3
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-
```
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```java
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Graphics;
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@@ -132,4 +132,71 @@
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return a-b;
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}
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}
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+
```
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+
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+
修正部分
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138
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以下の通りに直しました。
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```java
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@Override
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public void paintComponent(Graphics g)
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{
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Graphics2D g2 = (Graphics2D)g;
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BasicStroke BStroke = new BasicStroke(5.0f);
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g2.setStroke(BStroke);
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g.setColor(Color.RED);
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if(start_x==-100||start_y== -10||move_x==-100||move_y==-100)
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{
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move_x = -100;
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move_y = -100;
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start_x= -100;
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start_y = -100;
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}
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g.drawLine(start_x, start_y, move_x, move_y);
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start_x = move_x;
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start_y=move_y;
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}
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@Override
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public void mousePressed(MouseEvent e)
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{
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start_x = move_x = e.getX();
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start_y = move_y = e.getY();
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System.out.println(e.getY());
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}
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@Override
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public void mouseReleased(MouseEvent e)
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{ move_x = -100;//初期位置初期化
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move_y = -100;
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start_x= -100;//初期位置初期化
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start_y = -100;
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}
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@Override
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public void mouseDragged(MouseEvent e)
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{
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move_x = e.getX();
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move_y = e.getY();
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repaint();
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}
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@Override
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public void mouseClicked(MouseEvent e)
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{
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}
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@Override
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public void mouseEntered(MouseEvent e)
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{
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start_x = move_x = e.getX();
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start_y = move_y = e.getY();
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}
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@Override
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public void mouseExited(MouseEvent e)
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{
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move_x = -100;
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move_y = -100;
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start_x= -100;
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start_y = -100;
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}
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@Override
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198
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public void mouseMoved(MouseEvent e)
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199
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{
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}
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}
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135
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```
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