gfx.java

来自「how to make a game using java.」· Java 代码 · 共 98 行

// Gfx.java
// [Imperial Snowman Soft]

package GameLib;

import java.awt.*;
import java.applet.*;

public class Gfx
{
	protected Component	comp;
	protected Image		offImage, offBGImage;
	protected Graphics	offG;

	public Gfx(Component component, Color color)
	{
		comp = component;
		offImage = comp.createImage(comp.size().width,
			comp.size().height);
		
		offBGImage = comp.createImage(comp.size().width, 
			comp.size().height);
		
		Graphics bgG = offBGImage.getGraphics();
		bgG.setColor(color);
		bgG.fillRect(0, 0, comp.size().width, comp.size().height);
		
		offG = offImage.getGraphics();
	}

	public Gfx(Component component, Image backImg)
	{
		comp = component;
		offImage = comp.createImage(comp.size().width,
			comp.size().height);
		offBGImage = backImg;

		offG = offImage.getGraphics();
	}

	public void setColor(int r, int g, int b)
	{
		offG.setColor(new Color(r, g, b));
	}

	public void setBGImage(Image backImg)
	{
		offBGImage = backImg;
	}

	public Image getBGImage()
	{
		return (offBGImage);
	}

	public void drawString(String s, int x, int y)
	{
		offG.drawString(s,x,y);
	}

	public void drawSprite(Sprite s)
	{
		s.draw(offG);
	}

	public void drawImage(Image img, int x, int y)
	{
		offG.drawImage(img, x, y, comp);
	}

	public void cls(Color color)
	{
		offG.setColor(color);
		offG.fillRect(0, 0, comp.size().width, comp.size().height);
	}

	public void cls()
	{
		offG.drawImage(offBGImage, 0, 0, comp);
	}


	public void refresh()
	{
		comp.getGraphics().drawImage(offImage, 0, 0, comp);
	}

	public Graphics getOffGraphics()
	{
		return (offG);
	}

	public Image getOffImage()
	{
		return (offImage);
	}	
}