请问能否用JAVA画出矢量图

ATCG 2004-04-29 09:49:40

请问能否用JAVA画出矢量图

...全文

828 15 打赏收藏转发到动态举报

写回复

用AI写文章

15 条回复

切换为时间正序

请发表友善的回复…

发表回复

ATCG 2004-05-10

打赏
举报

我已经知道了，谢谢！

ATCG 2004-05-10

打赏
举报

我的代码是这样的，具体我应该怎样调用你的那两个反锯齿的函数呢？
import java.io.*;
import java.sql.*;
import java.text.*;
import java.lang.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.geom.*;
import java.awt.Graphics2D.*;
import javax.media.jai.*;
import javax.media.jai.widget.*;
import com.sun.media.jai.codec.*;
import com.sun.media.jai.codec.PNGEncodeParam.Palette;
class ChartGraphics
{
BufferedImage image;
public void createImage(String filelocation)
{
try
{
OutputStream out = new FileOutputStream(filelocation);
PNGEncodeParam param = PNGEncodeParam.getDefaultEncodeParam(image);
ImageEncoder encoder = ImageCodec.createImageEncoder("PNG",out,param);
encoder.encode(image);
out.close();
}catch(Exception e)
{
System.out.println(e);
}
}
}
class mydraw
{
public static void main(String[] args)
{
//设置图像基本参数
int imageWidth = 800; //图像宽度
int imageHeight = 300; //图像高度
Color c1=new Color(180,180,180); //颜色1
Color c2=new Color(200,250,250); //颜色2
BasicStroke bs = new BasicStroke(4.0f); //设定线条的宽度
//画图像
ChartGraphics chartGraphics = new ChartGraphics();
chartGraphics.image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = (Graphics2D) chartGraphics.image.getGraphics();
g2d.setColor(c1);
g2d.fillRect(0,0,imageWidth,imageHeight);
//画实线
g2d.setColor(c2);
g2d.setStroke(bs);
g2d.drawLine(33,imageHeight-250,imageWidth-33,imageHeight-250);
//将图片保存到文件
chartGraphics.createImage("zhu.png");
}
}

goldenhua 2004-05-10

打赏
举报

public void setAntialiasingOn(Graphics g)
{
Graphics2D g2d=(Graphics2D)g;
RenderingHints renderHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHints(renderHints);
}

public void setAntialiasingOff(Graphics g)
{
Graphics2D g2 = (Graphics2D)g;
RenderingHints renderHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
g2.setRenderingHints(renderHints);
}

ATCG 2004-05-09