我要壓縮的 「JPG」 的圖像,這是約4M或more.here是我的代碼:java.lang.OutOfMemoryError做javax.imageio.ImageIO.read時( 「文件名」)
public static void Compress(String sourceFolder,String destFolder,double proportion) throws IOException
{
File source=new File(sourceFolder);
File[] sourceFiles=null;
if(source.isDirectory())
{
sourceFiles=source.listFiles();
for(int i=0;i<sourceFiles.length;i++)
{
String name="";
javax.imageio.ImageIO.setUseCache(false);
Image src = javax.imageio.ImageIO.read(sourceFiles[i]);
name=sourceFiles[i].getName();
int width=src.getWidth(null);
int height=src.getHeight(null);
destWidth=(int) (height*proportion);
destHeight=(int) (width*proportion);
BufferedImage tag=new BufferedImage(destWidth,destHeight,BufferedImage.TYPE_INT_RGB);
Graphics g = tag.getGraphics();
g.drawImage(src, 0, 0, destWidth, destHeight, null);
src.flush();
src=null;
FileOutputStream out = new FileOutputStream(destFolder+"/"+name);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(tag);
out.close();
}
}
else
System.exit(0);
}
當它運行
Image src = javax.imageio.ImageIO.read("filename");
出現異常:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferByte.<init>(DataBufferByte.java:58)
at java.awt.image.ComponentSampleModel.createDataBuffer(ComponentSampleModel.java:397)
at java.awt.image.Raster.createWritableRaster(Raster.java:938)
at javax.imageio.ImageTypeSpecifier.createBufferedImage(ImageTypeSpecifier.java:1056)
at javax.imageio.ImageReader.getDestination(ImageReader.java:2879)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.readInternal(JPEGImageReader.java:943)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.read(JPEGImageReader.java:915)
at javax.imageio.ImageIO.read(ImageIO.java:1422)
at javax.imageio.ImageIO.read(ImageIO.java:1282)
at functions.CompressImage.Compress(CompressImage.java:50)
at functions.CompressImage.main(CompressImage.java:24)
我試着運行參數(-Xms = 1G),它仍然無法正常工作! 誰知道解決方案?請幫助我,謝謝!
你試過設置-Xmx(最大堆大小)嗎? – jtahlborn 2012-07-26 16:28:16
我試過了,還沒有工作 – kerry 2012-07-27 12:15:19
有多少圖片?或者全部在一起4MB? – JIV 2012-07-27 13:24:03