package writeimg;
import javax.imageio.ImageIO;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URL;
public class pic {
private Font font = new Font("華文彩云", Font.PLAIN, 40);// 添加字體的屬性設置
private Graphics2D g = null;
private int fontsize = 0;
private int x = 0;
private int y = 0;
/**
* 導入本地圖片到緩沖區
*/
public BufferedImage loadImageLocal(String imgName) {
try {
return ImageIO.read(new File(imgName));
} catch (IOException e) {
System.out.println(e.getMessage());
}
return null;
}
/**
* 導入網絡圖片到緩沖區
*/
public BufferedImage loadImageUrl(String imgName) {
try {
URL url = new URL(imgName);
return ImageIO.read(url);
} catch (IOException e) {
System.out.println(e.getMessage());
}
return null;
}
/**
* 生成新圖片到本地
*/
public void writeImageLocal(String newImage, BufferedImage img) {
if (newImage != null && img != null) {
try {
File outputfile = new File(newImage);
ImageIO.write(img, "jpg", outputfile);
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}
/**
* 設定文字的字體等
*/
public void setFont(String fontStyle, int fontSize) {
this.fontsize = fontSize;
this.font = new Font(fontStyle, Font.PLAIN, fontSize);
}
/**
* 修改圖片,返回修改后的圖片緩沖區（只輸出一行文本）
*/
public BufferedImage modifyImage(BufferedImage img, Object content, int x,
int y) {
try {
int w = img.getWidth();
int h = img.getHeight();
g = img.createGraphics();
g.setBackground(Color.WHITE);
g.setColor(Color.orange);//設置字體顏色
if (this.font != null)
g.setFont(this.font);
// 驗證輸出位置的縱坐標和橫坐標
if (x >= h || y >= w) {
this.x = h - this.fontsize + 2;
this.y = w;
} else {
this.x = x;
this.y = y;
}
if (content != null) {
g.drawString(content.toString(), this.x, this.y);
}
g.dispose();
} catch (Exception e) {
System.out.println(e.getMessage());
}
return img;
}
/**
* 修改圖片,返回修改后的圖片緩沖區（輸出多個文本段） xory：true表示將內容在一行中輸出；false表示將內容多行輸出
*/
public BufferedImage modifyImage(BufferedImage img, Object[] contentArr,
int x, int y, boolean xory) {
try {
int w = img.getWidth();
int h = img.getHeight();
g = img.createGraphics();
g.setBackground(Color.WHITE);
g.setColor(Color.RED);
if (this.font != null)
g.setFont(this.font);
// 驗證輸出位置的縱坐標和橫坐標
if (x >= h || y >= w) {
this.x = h - this.fontsize + 2;
this.y = w;
} else {
this.x = x;
this.y = y;
}
if (contentArr != null) {
int arrlen = contentArr.length;
if (xory) {
for (int i = 0; i < arrlen; i++) {
g.drawString(contentArr[i].toString(), this.x, this.y);
this.x += contentArr[i].toString().length()
* this.fontsize / 2 + 5;// 重新計算文本輸出位置
}
} else {
for (int i = 0; i < arrlen; i++) {
g.drawString(contentArr[i].toString(), this.x, this.y);
this.y += this.fontsize + 2;// 重新計算文本輸出位置
}
}
}
g.dispose();
} catch (Exception e) {
System.out.println(e.getMessage());
}
return img;
}
/**
* 修改圖片,返回修改后的圖片緩沖區（只輸出一行文本）
*
* 時間:2007-10-8
*
* @param img
* @return
*/
public BufferedImage modifyImageYe(BufferedImage img) {
try {
int w = img.getWidth();
int h = img.getHeight();
g = img.createGraphics();
g.setBackground(Color.WHITE);
g.setColor(Color.blue);//設置字體顏色
if (this.font != null)
g.setFont(this.font);
g.drawString(" g.dispose();
} catch (Exception e) {
System.out.println(e.getMessage());
}
return img;
}
public BufferedImage modifyImagetogeter(BufferedImage b, BufferedImage d) {
try {
int w = b.getWidth();
int h = b.getHeight();
g = d.createGraphics();
g.drawImage(b, 100, 10, w, h, null);
g.dispose();
} catch (Exception e) {
System.out.println(e.getMessage());
}
return d;
}
public static void main(String[] args) {
pic tt = new pic();
BufferedImage d = tt.loadImageLocal("D:\\11.jpg");
// BufferedImage b = tt
// .loadImageLocal("E:\\文件(word,excel,pdf,ppt.txt)\\zte-logo.png");
tt.writeImageLocal("D:\\cc.jpg",tt.modifyImage(d,"曹原",90,90)
//往圖片上寫文件
);
//tt.writeImageLocal("D:\\cc.jpg", tt.modifyImagetogeter(b, d));
//將多張圖片合在一起
System.out.println("success");
}
}
http://blog.csdn.net/caoyuan10036/article/details/7278735