/**
* 图像类型转换 GIF->JPG GIF->PNG PNG->JPG PNG->GIF(X)
*/
public static void convert(String source, String result)
{
try
{
File f = new File(source);
f.canRead();
f.canWrite();
BufferedImage src = ImageIO.read(f);
ImageIO.write(src, "JPG", new File(result));
}
catch (Exception e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/** *//**
* 彩色转为黑白
* @param source
* @param result
*/
public static void gray(String source, String result)
{
try
{
BufferedImage src = ImageIO.read(new File(source));
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
ColorConvertOp op = new ColorConvertOp(cs, null);
src = op.filter(src, null);
ImageIO.write(src, "JPEG", new File(result));
}
catch (IOException e)
{
e.printStackTrace();
}
} ;