import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
/**
*
*@類功能說明: java拼接多張圖檔,生成的格式是jpg、bmp、gif等,如果其他格式則報錯或者photoshop或者畫圖工具打不開
*@修改人員名: yang
*@修改日期: 2016-3-10 上午10:35:04
*@建立時間: 2016-3-10 上午10:35:04
* -------------------------------------------------------------------------------------------
* 修改次數 修改人員 修改内容 修改原因
*
* @備注:隻能拼接同類型的圖檔(不能連續拼接)、寬度需要一緻(高度可以不限制)
* @版本: V1.0
*/
public class JoinTwoImage {
//測試類
public static void main(String[] args) {
//輸入圖檔位址
String[] imgs={"F:/4.jpg","F:/5.jpg","F:/6.jpg"};
//調用方法生成圖檔
JoinTwoImage.merge(imgs,"jpg", "F:/test2.jpg");
}
/**
* Java拼接多張圖檔
*
* @param imgs
* @param type
* @param dst_pic
* @return
*/
public static boolean merge(String[] imgs, String type, String dst_pic) {
//擷取需要拼接的圖檔長度
int len = imgs.length;
//判斷長度是否大于0
if (len < 1) {
return false;
}
File[] src = new File[len];
BufferedImage[] images = new BufferedImage[len];
int[][] ImageArrays = new int[len][];
for (int i = 0; i < len; i++) {
try {
src[i] = new File(imgs[i]);
images[i] = ImageIO.read(src[i]);
} catch (Exception e) {
e.printStackTrace();
return false;
}
int width = images[i].getWidth();
int height = images[i].getHeight();
// 從圖檔中讀取RGB 像素
ImageArrays[i] = new int[width * height];
ImageArrays[i] = images[i].getRGB(0, 0, width, height, ImageArrays[i], 0, width);
}
int dst_height = 0;
int dst_width = images[0].getWidth();
//合成圖檔像素
for (int i = 0; i < images.length; i++) {
dst_width = dst_width > images[i].getWidth() ? dst_width : images[i].getWidth();
dst_height += images[i].getHeight();
}
//合成後的圖檔
System.out.println("寬度:"+dst_width);
System.out.println("高度:"+dst_height);
if (dst_height < 1) {
System.out.println("dst_height < 1");
return false;
}
// 生成新圖檔
try {
// dst_width = images[0].getWidth();
BufferedImage ImageNew = new BufferedImage(dst_width, dst_height,
BufferedImage.TYPE_INT_RGB);
int height_i = 0;
for (int i = 0; i < images.length; i++) {
ImageNew.setRGB(0, height_i, dst_width, images[i].getHeight(),
ImageArrays[i], 0, dst_width);
height_i += images[i].getHeight();
}
File outFile = new File(dst_pic);
ImageIO.write(ImageNew, type, outFile);// 寫圖檔 ,輸出到硬碟
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
}