metaliconfactory.java

java jdk 1.4的源码

	    g.drawLine(4,6, 4,6);
	    //     middle disk
	    g.drawLine(2,7, 3,7);
	    g.drawLine(2,8, 3,8);
	    g.drawLine(4,9, 4,9);
	    //     bottom disk
	    g.drawLine(2,10, 3,10);
	    g.drawLine(2,11, 3,11);
	    g.drawLine(4,12, 4,12);

	    g.translate(-x, -y);
	}
	
	public int getIconWidth() {
	    return 16;
	}
	
	public int getIconHeight() {
	    return 16;
	}
    }  // End class TreeHardDriveIcon

    // Tree FloppyDrive Icon code
    private static class TreeFloppyDriveIcon implements Icon, UIResource, Serializable {
        public void paintIcon(Component c, Graphics g, int x, int y) {
	    g.translate(x, y);

	    // Fill body of floppy
	    g.setColor(MetalLookAndFeel.getPrimaryControl());
	    g.fillRect(2,2, 12,12);

	    // Draw outside edge of floppy
	    g.setColor(MetalLookAndFeel.getPrimaryControlInfo());
	    g.drawLine( 1, 1, 13, 1); // top
	    g.drawLine(14, 2, 14,14); // right
	    g.drawLine( 1,14, 14,14); // bottom
	    g.drawLine( 1, 1,  1,14); // left

	    // Draw grey-ish highlights
	    g.setColor(MetalLookAndFeel.getControlDarkShadow());
	    g.fillRect(5,2, 6,5); // metal disk protector part
	    g.drawLine(4,8, 11,8); // top of label
	    g.drawLine(3,9, 3,13); // left of label
	    g.drawLine(12,9, 12,13); // right of label

	    // Draw label and exposed disk
	    g.setColor(MetalLookAndFeel.getPrimaryControlHighlight());
	    g.fillRect(8,3, 2,3); // exposed disk
	    g.fillRect(4,9, 8,5); // label

	    // Draw text on label
	    g.setColor(MetalLookAndFeel.getPrimaryControlShadow());
	    g.drawLine(5,10, 9,10);
	    g.drawLine(5,12, 8,12);

	    g.translate(-x, -y);
	}
	
	public int getIconWidth() {
	    return 16;
	}
	
	public int getIconHeight() {
	    return 16;
	}
    }  // End class TreeFloppyDriveIcon


    static private final Dimension folderIcon16Size = new Dimension( 16, 16 );

    /**
     * Utility class for caching icon images.  This is necessary because
     * we need a new image whenever we are rendering into a new 
     * GraphicsConfiguration, but we do not want to keep recreating icon 
     * images for GC's that we have already seen (for example, 
     * dragging a window back and forth between monitors on a multimon 
     * system, or drawing an icon to different Components that have different
     * GC's).
     * So now whenever we create a new icon image for a given GC, we
     * cache that image with the GC for later retrieval.
     */
    static class ImageCacher {
	Vector images = new Vector(1, 1);
	ImageGcPair currentImageGcPair;

	class ImageGcPair {
	    Image image;
	    GraphicsConfiguration gc;
	    ImageGcPair(Image image, GraphicsConfiguration gc) {
		this.image = image;
		this.gc = gc;
	    }

	    boolean hasSameConfiguration(GraphicsConfiguration newGC) {
		if (((newGC != null) && (newGC.equals(gc))) ||
		    ((newGC == null) && (gc == null))) 
		{
		    return true;
		}
		return false;
	    }

	}

	Image getImage(GraphicsConfiguration newGC) {
	    if ((currentImageGcPair == null) ||
		!(currentImageGcPair.hasSameConfiguration(newGC)))
	    {
		Enumeration elements = images.elements();
		while (elements.hasMoreElements()) {
		    ImageGcPair imgGcPair = (ImageGcPair)elements.nextElement();
		    if (imgGcPair.hasSameConfiguration(newGC)) {
			currentImageGcPair = imgGcPair;
			return imgGcPair.image;
		    }
		}
		return null;
	    }
	    return currentImageGcPair.image;
	}

	void cacheImage(Image image, GraphicsConfiguration gc) {
	    ImageGcPair imgGcPair = new ImageGcPair(image, gc);
	    images.addElement(imgGcPair);
	    currentImageGcPair = imgGcPair;
	}

    }

    /**
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     */
    public static class FolderIcon16 implements Icon, Serializable {

	ImageCacher imageCacher;

	public void paintIcon(Component c, Graphics g, int x, int y) {
	    GraphicsConfiguration gc = c.getGraphicsConfiguration();
	    if (imageCacher == null) {
		imageCacher = new ImageCacher();
	    }
	    Image image = imageCacher.getImage(gc);
	    if (image == null) {
		if (gc != null) {
		    image = gc.createCompatibleImage(getIconWidth(), 
						     getIconHeight(),
						     Transparency.BITMASK);
		} else {
		    image = new BufferedImage(getIconWidth(),
					      getIconHeight(),
					      BufferedImage.TYPE_INT_ARGB);
		}
                Graphics imageG = image.getGraphics();		
		paintMe(c,imageG);
		imageG.dispose();
		imageCacher.cacheImage(image, gc);
	    }
            g.drawImage(image, x, y+getShift(), null);
	}


	private void paintMe(Component c, Graphics g) {

	    int right = folderIcon16Size.width - 1;
	    int bottom = folderIcon16Size.height - 1;

	    // Draw tab top
	    g.setColor( MetalLookAndFeel.getPrimaryControlDarkShadow() );
	    g.drawLine( right - 5, 3, right, 3 );
	    g.drawLine( right - 6, 4, right, 4 );

	    // Draw folder front
	    g.setColor( MetalLookAndFeel.getPrimaryControl() );
	    g.fillRect( 2, 7, 13, 8 );

	    // Draw tab bottom
	    g.setColor( MetalLookAndFeel.getPrimaryControlShadow() );
	    g.drawLine( right - 6, 5, right - 1, 5 );

	    // Draw outline
	    g.setColor( MetalLookAndFeel.getPrimaryControlInfo() );
	    g.drawLine( 0, 6, 0, bottom );            // left side
	    g.drawLine( 1, 5, right - 7, 5 );         // first part of top
	    g.drawLine( right - 6, 6, right - 1, 6 ); // second part of top
	    g.drawLine( right, 5, right, bottom );    // right side
	    g.drawLine( 0, bottom, right, bottom );   // bottom

	    // Draw highlight
	    g.setColor( MetalLookAndFeel.getPrimaryControlHighlight() );
	    g.drawLine( 1, 6, 1, bottom - 1 );
	    g.drawLine( 1, 6, right - 7, 6 );
	    g.drawLine( right - 6, 7, right - 1, 7 );

	}

        public int getShift() { return 0; }
        public int getAdditionalHeight() { return 0; }

	public int getIconWidth() { return folderIcon16Size.width; }
	public int getIconHeight() { return folderIcon16Size.height + getAdditionalHeight(); }
    }

  
    /**
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     */
    public static class TreeFolderIcon extends FolderIcon16 {
        public int getShift() { return -1; }
        public int getAdditionalHeight() { return 2; }
    }


    static private final Dimension fileIcon16Size = new Dimension( 16, 16 );

    /**
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     */
    public static class FileIcon16 implements Icon, Serializable {

	ImageCacher imageCacher;

	public void paintIcon(Component c, Graphics g, int x, int y) {
	    GraphicsConfiguration gc = c.getGraphicsConfiguration();
	    if (imageCacher == null) {
		imageCacher = new ImageCacher();
	    }
	    Image image = imageCacher.getImage(gc);
	    if (image == null) {
		if (gc != null) {
		    image = gc.createCompatibleImage(getIconWidth(), 
						     getIconHeight(),
						     Transparency.BITMASK);
		} else {
		    image = new BufferedImage(getIconWidth(),
					      getIconHeight(),
					      BufferedImage.TYPE_INT_ARGB);
		}
                Graphics imageG = image.getGraphics();		
		paintMe(c,imageG);
		imageG.dispose();
		imageCacher.cacheImage(image, gc);
	    }
            g.drawImage(image, x, y+getShift(), null);
	}

        private void paintMe(Component c, Graphics g) {

		int right = fileIcon16Size.width - 1;
		int bottom = fileIcon16Size.height - 1;

		// Draw fill
		g.setColor( MetalLookAndFeel.getWindowBackground() );
		g.fillRect( 4, 2, 9, 12 );

		// Draw frame
		g.setColor( MetalLookAndFeel.getPrimaryControlInfo() );
		g.drawLine( 2, 0, 2, bottom );                 // left
		g.drawLine( 2, 0, right - 4, 0 );              // top
		g.drawLine( 2, bottom, right - 1, bottom );    // bottom
		g.drawLine( right - 1, 6, right - 1, bottom ); // right
		g.drawLine( right - 6, 2, right - 2, 6 );      // slant 1
		g.drawLine( right - 5, 1, right - 4, 1 );      // part of slant 2
		g.drawLine( right - 3, 2, right - 3, 3 );      // part of slant 2
		g.drawLine( right - 2, 4, right - 2, 5 );      // part of slant 2

		// Draw highlight
		g.setColor( MetalLookAndFeel.getPrimaryControl() );
		g.drawLine( 3, 1, 3, bottom - 1 );                  // left
		g.drawLine( 3, 1, right - 6, 1 );                   // top
		g.drawLine( right - 2, 7, right - 2, bottom - 1 );  // right
		g.drawLine( right - 5, 2, right - 3, 4 );           // slant
		g.drawLine( 3, bottom - 1, right - 2, bottom - 1 ); // bottom

	}

        public int getShift() { return 0; }
        public int getAdditionalHeight() { return 0; }

	public int getIconWidth() { return fileIcon16Size.width; }
	public int getIconHeight() { return fileIcon16Size.height + getAdditionalHeight(); }
    }


    public static class TreeLeafIcon extends FileIcon16 {
        public int getShift() { return 2; }
        public int getAdditionalHeight() { return 4; }
    }


    static private final Dimension treeControlSize = new Dimension( 18, 18 );

    /**
     * <p>
     * <strong>Warning:</strong>
     * Serialized objects of this class will not be compatible with
     * future Swing releases. The current serialization support is
     * appropriate for short term storage or RMI between applications running
     * the same version of Swing.  As of 1.4, support for long term storage
     * of all JavaBeans<sup><font size="-2">TM</font></sup>
     * has been added to the <code>java.beans</code> package.
     * Please see {@link java.beans.XMLEncoder}.
     */
    public static class TreeControlIcon implements Icon, Serializable {
        // This data member should not have been exposed.  It's called
        // isLight, but now it really means isCollapsed.  Since we can't change
        // any APIs... that's life.
        protected boolean isLight;


        public TreeControlIcon( boolean isCollapsed ) {
	    isLight = isCollapsed;
	}

	ImageCacher imageCacher;

        transient boolean cachedOrientation = true;

	public void paintIcon(Component c, Graphics g, int x, int y) {

	    GraphicsConfiguration gc = c.getGraphicsConfiguration();

	    if (imageCacher == null) {
		imageCacher = new ImageCacher();
	    }
	    Image image = imageCacher.getImage(gc);

	    if (image == null || cachedOrientation != MetalUtils.isLeftToRight(c)) {
		cachedOrientation = MetalUtils.isLeftToRight(c);
		if (gc != null) {
		    image = gc.createCompatibleImage(getIconWidth(), 
						     getIconHeight(),
						     Transparency.BITMASK);
		} else {
		    image = new BufferedImage(getIconWidth(),
					      getIconHeight(),
					      BufferedImage.TYPE_INT_ARGB);
		}
                Graphics imageG = image.getGraphics();		
		paintMe(c,imageG,x,y);
		imageG.dispose();
		imageCacher.cacheImage(image, gc);
		
	    }

	    if (MetalUtils.isLeftToRight(c)) {
	        if (isLight) {    // isCollapsed
		    g.drawImage(image, x+5, y+3, x+18, y+13, 
				       4,3, 17, 13, null);
		}
	        else {
		    g.drawImage(image, x+5, y+3, x+18, y+17, 
				       4,3, 17, 17, null);
		}
	    }
	    else {
	        if (isLight) {    // isCollapsed
		    g.drawImage(image, x+3, y+3, x+16, y+13, 
				       4, 3, 17, 13, null);
		}
		else {
		    g.drawImage(image, x+3, y+3, x+16, y+17, 
				       4, 3, 17, 17, null);
		}
	    }
	}

	public void paintMe(Component c, Graphics g, int x, int y) {

	    g.setColor( MetalLookAndFeel.getPrimaryControlInfo() );

	    int xoff = (MetalUtils.isLeftToRight(c)) ? 0 : 4;

	    // Draw circle
	    g.drawLine( xoff + 4, 6, xoff + 4, 9 );     // left
	    g.drawLine( xoff + 5, 5, xoff + 5, 5 );     // top left dot
	    g.drawLine( xoff + 6, 4, xoff + 9, 4 );     // top
	    g.drawLine( xoff + 10, 5, xoff + 10, 5 );   // top right dot
	    g.drawLine( xoff + 11, 6, xoff + 11, 9 );   // right
	    g.drawLine( xoff + 10, 10, xoff + 10, 10 ); // botom right dot
	    g.drawLine( xoff + 6, 11, xoff + 9, 11 );   // bottom
	    g.drawLine( xoff + 5, 10, xoff + 5, 10 );   // bottom left dot

	    // Draw Center Dot
	    g.drawLine( xoff + 7, 7, xoff + 8, 7 );
	    g.drawLine( xoff + 7, 8, xoff + 8, 8 );

	    // Draw Handle
	    if ( isLight ) {    // isCollapsed
	        if( MetalUtils.isLeftToRight(c) ) {
	            g.drawLine( 12, 7, 15, 7 );
		    g.drawLine( 12, 8, 15, 8 );
		    //	g.setColor( c.getBackground() );
		    //	g.drawLine( 16, 7, 16, 8 );