質問編集履歴
1
MainClassをアップしました
test
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KSwordOfHasteさん、回答と有難うございます。
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すみません、おそくなりましたがMain Class をアップしました。
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是非宜しくご教示宜しくお願いします。
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//----------------------------------------------------------
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public class Bridge_2 extends JPanel
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{
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Rectangle[] zukei = new Rectangle[ 4 ] ;
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int AppletWidth = 300 ;
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int AppletHeight = 300 ;
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Image WorkImage ;
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Graphics WorkGraphics ;
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// make_CreateImage---------------------------
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public void make_CreateImage()
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{
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WorkImage = createImage( AppletWidth , AppletHeight ) ;
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System.out.println( "WorkImage = " + WorkImage ) ;
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WorkGraphics = WorkImage.getGraphics( ) ;
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System.out.println( "WorkGraphics = " + WorkGraphics ) ;
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}
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// make_draw_Image---------------------------
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public void make_drawImage()
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{
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zukei[ 0 ] = new Rectangle( 20 , 20 , 100 , 50 ) ;
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System.out.println( "zukei[ 0 ] = " + zukei[ 0 ] ) ;
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((Graphics2D) WorkGraphics).setColor( Color.cyan ) ;
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((Graphics2D) WorkGraphics).draw( zukei[ 0 ] ) ;
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repaint() ;
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}
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// Update----------------------------------
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public void update( Graphics g )
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{
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paint( g ) ;
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}
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// paint----------------------------------
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public void paint( Graphics g )
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{
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System.out.println( "paint_WorkImage = " + WorkImage ) ;
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g.drawImage( WorkImage , 0 , 0 , this ) ;
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}
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}
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class Main_JFrame extends JFrame
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{
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// Bridge_1 bridg_1 ;
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Bridge_2 bridg_2 ;
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public Main_JFrame( )
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{
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this.setDefaultCloseOperation( EXIT_ON_CLOSE ) ;
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Container cnt = this.getContentPane() ;
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cnt.setBackground( Color.orange ) ;
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this.setLocation( 100 , 50 ) ;
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this.setSize( 1450 , 900 ) ;
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this.setLayout( null ) ;
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bridg_2 = new Bridge_2() ;
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bridg_2.setLayout( null ) ;
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bridg_2.setSize( 550 , 350 ) ;
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bridg_2.setLocation( 750 , 100 ) ;
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cnt.add( bridg_2 ) ;
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pack() ;
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bridg_2.make_CreateImage() ;
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}
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public static void main( String[] args )
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{
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Main_JFrame mf = new Main_JFrame() ;
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mf.setSize( 1500 , 700 ) ;
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mf.setVisible( true ) ;
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}
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}
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//-----------------------------------------------
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今日は、宜しくお願いします。
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「createImage」に描いた画像がうまくパネルに表示されません。
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「Graphics」はうまく取得されているようなのですが、
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原因がわかりません。
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詳しい方、ご教示宜しくお願いします。
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//----------------------------------------------------------
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今日は、宜しくお願いします。
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「createImage」に描いた画像がうまくパネルに表示されません。
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「Graphics」はうまく取得されているようなのですが、
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原因がわかりません。
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詳しい方、ご教示宜しくお願いします。
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//----------------------------------------------------------
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public class Bridge_2 extends JPanel
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{
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Rectangle[] zukei = new Rectangle[ 4 ] ;
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int AppletWidth = 300 ;
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int AppletHeight = 300 ;
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Image WorkImage ;
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Graphics WorkGraphics ;
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// make_CreateImage---------------------------
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public void make_CreateImage()
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{
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WorkImage = createImage( AppletWidth , AppletHeight ) ;
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System.out.println( "WorkImage = " + WorkImage ) ;
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WorkGraphics = WorkImage.getGraphics( ) ;
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System.out.println( "WorkGraphics = " + WorkGraphics ) ;
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}
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// make_draw_Image---------------------------
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public void make_drawImage()
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{
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zukei[ 0 ] = new Rectangle( 20 , 20 , 100 , 50 ) ;
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System.out.println( "zukei[ 0 ] = " + zukei[ 0 ] ) ;
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((Graphics2D) WorkGraphics).setColor( Color.cyan ) ;
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((Graphics2D) WorkGraphics).draw( zukei[ 0 ] ) ;
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repaint() ;
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}
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// Update----------------------------------
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public void update( Graphics g )
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{
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paint( g ) ;
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}
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// paint----------------------------------
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public void paint( Graphics g )
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{
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System.out.println( "paint_WorkImage = " + WorkImage ) ;
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g.drawImage( WorkImage , 0 , 0 , this ) ;
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}
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}
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class Bridge_2 extends JPanel
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{
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Rectangle[] zukei = new Rectangle[ 4 ] ;
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int AppletWidth = 300 ;
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int AppletHeight = 300 ;
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Image WorkImage ;
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Graphics WorkGraphics ;
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// make_CreateImage---------------------------
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public void make_CreateImage()
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{
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WorkImage = createImage( AppletWidth , AppletHeight ) ;
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System.out.println( "WorkImage = " + WorkImage ) ;
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WorkGraphics = WorkImage.getGraphics( ) ;
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System.out.println( "WorkGraphics = " + WorkGraphics ) ;
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}
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// make_draw_Image---------------------------
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public void make_drawImage()
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{
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zukei[ 0 ] = new Rectangle( 20 , 20 , 100 , 50 ) ;
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System.out.println( "zukei[ 0 ] = " + zukei[ 0 ] ) ;
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((Graphics2D) WorkGraphics).setColor( Color.cyan ) ;
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((Graphics2D) WorkGraphics).draw( zukei[ 0 ] ) ;
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repaint() ;
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}
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// Update----------------------------------
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public void update( Graphics g )
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{
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paint( g ) ;
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}
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// paint----------------------------------
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public void paint( Graphics g )
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{
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System.out.println( "paint_WorkImage = " + WorkImage ) ;
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g.drawImage( WorkImage , 0 , 0 , this ) ;
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}
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}
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