colorblock.java

非常好的java collapse游戏代码

/*
 * JCollapse - Java Collapse Game
 * Copyright (C) 2005 Erico Gon鏰lves Rimoli
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package sourceforge.net.projects.jcollapse.game.blocks;

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

import sourceforge.net.projects.jcollapse.engine.block.SimpleBlock;

/**
 * This is a ColorBlock class.
 * @author erico
 */
public class ColorBlock extends SimpleBlock implements DisplayableGraphic {
	private boolean m_Composite;
	private Color m_Color;
	private BufferedImage m_BufferedImage;
	
	/**
	 * Constructor
	 * @param name the name of Block
	 * @param enable enable or not (can be touched or not)
	 * @param color color of this Block
	 * @param minToRemove minimum quantity of same Blocks that can be removed
	 */
	public ColorBlock( String name, boolean enable, int minToRemove, Color color ) {
		this( name, enable, minToRemove, color, true );
	}
	
	/**
	 * Constructor
	 * @param name the name of Block
	 * @param enable enable or not (can be touched or not)
	 * @param minToRemove minimum quantity of same Blocks that can be removed
	 * @param color color of this Block
	 * @param composite set true if you plan to use gradient fill
	 */
	public ColorBlock( String name, boolean enable, int minToRemove, Color color, boolean composite ) {
		super( name, enable, minToRemove );
		setComposite( composite );
		setColor( color );
	}
	
	/**
	 * This Block can have gradient fill to display a beautiful image (slow) or
	 * plan color image (fast)
	 * @return true if component have gradient fill. Plan image, return false
	 */
	public boolean isComposite() {
		return m_Composite;
	}

	/**
	 * This Block can have gradient fill to display a beautiful image (slow) or
	 * plan color image (fast)
	 * @param composite set true if you plan to use gradient fill
	 * To use plan image, set false
	 */
	public void setComposite( boolean composite ) {
		m_Composite = composite;
		
		if( composite )
			setColor( getColor() );
		else
			m_BufferedImage = null;
	}
	
	/**
	 * Set the Color of this Block
	 * @param color the Color for this object
	 */
	public void setColor( Color color ) {
		if( color == null || ( getColor() != null && getColor().equals( color ) ) ) {
			return;
		}
			
		m_Color = color;
		
		//if composite is true
		if( isComposite() ) {
			Graphics2D g;
			m_BufferedImage = new BufferedImage( 32, 32, BufferedImage.TYPE_INT_RGB );
			g = (Graphics2D)m_BufferedImage.getGraphics();
	
			g.setPaint( new GradientPaint( 1, 1, getColor().brighter(), 30, 30, getColor().darker() ) );
			g.fillRoundRect( 1, 1, 30, 30, 3,  3 );
			
			g.setPaint( new GradientPaint( 0, 0, Color.WHITE, 31, 31, getColor().brighter() ) );
			g.drawRoundRect( 0, 0, 32, 32, 3, 3 );
		}
	}
	
	/**
	 * Get the Color for this Block
	 * @return the color for this Block
	 */
	public Color getColor() {
		return m_Color;
	}
	
	/* (non-Javadoc)
	 * @see sourceforge.net.projects.jcollapse.game.blocks.PrintableBlock#drawBlock(java.awt.Graphics, int, int, int, int)
	 */
	public void drawBlock(Graphics2D graphics, int x, int y, int width, int height) {
		if( isComposite() ) {
			graphics.drawImage( m_BufferedImage, x, y, width, height, null );
		} else {
			graphics.setColor( getColor() );
			graphics.fillRoundRect( x+1, y+1, width-2, height-2, width / 3,  height / 3 );

			graphics.setColor( Color.WHITE );
			graphics.drawRoundRect( x, y, width, height, width / 3,  height / 3 );
		}
	}
}