100分求：关于JAVA图片切割的问题

brightest 2005-04-14 01:32:16

本人JAVA刚入门，希望能够编个小软件进行图片切割。例如，将数学试卷扫描后，按照题号将试卷进行切割，最终将切割完的部分保存。现在找了很多图形学的书，似乎都没有什么大的进展，不知道该怎样处理，希望大家可以帮帮忙，并解答详细些。谢谢

...全文

2075 9 打赏收藏转发到动态举报

写回复

用AI写文章

9 条回复

切换为时间正序

请发表友善的回复…

发表回复

brightest 2005-04-26

打赏
举报

谢谢relieve的热心帮助
更要多谢gtlang78（）
我的问题解决了。
作为菜鸟的我，你们的指点无疑给我增添了很多信心。呵呵

gtlang78 2005-04-20

打赏
举报

import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class ImageTest
{

public static void main(String[] args)
{
try {
BufferedImage image = ImageIO.read(new File("test.jpg"));
saveSubImage(image, new Rectangle(10, 10, 100, 100), new File("sub1.jpg"));
saveSubImage(image, new Rectangle(150, 150, 200, 300), new File("sub2.png"));
saveSubImage(image, new Rectangle(20, 50, 70, 30), new File("sub3.bmp"));
} catch (IOException e) {
e.printStackTrace();
return;
}
}

private static void saveSubImage(BufferedImage image,
Rectangle subImageBounds, File subImageFile) throws IOException {
if (subImageBounds.x <= 0 || subImageBounds.y <= 0 ||
subImageBounds.x + subImageBounds.width >= image.getWidth() ||
subImageBounds.y + subImageBounds.height >= image.getHeight()) {
System.out.println("Bad subimage bounds");
return;
}

BufferedImage subImage = image.getSubimage(
subImageBounds.x, subImageBounds.y,
subImageBounds.width, subImageBounds.height);
String fileName = subImageFile.getName();
String formatName = fileName.substring(fileName.lastIndexOf('.') + 1);

ImageIO.write(subImage, formatName, subImageFile);
}
}

jofield 2005-04-19

打赏
举报

太深了....

brightest 2005-04-19

打赏
举报

relive，你的答案是什么呀？我不太明白。能不能说得具体些？谢谢

menghuanlang 2005-04-18

打赏
举报

帮你UP一下

relive 2005-04-16

打赏
举报

Raster java.awt.image.BufferedImage.getData(Rectangle rect)

/**
* Computes and returns an arbitrary region of the
* <code>BufferedImage</code>. The <code>Raster</code> returned is a
* copy of the image data and is not updated if the image is
* changed.
* @param rect the region of the <code>BufferedImage</code> to be
* returned.
* @return a <code>Raster</code> that is a copy of the image data of
* the specified region of the <code>BufferedImage</code>
* @see #setData(Raster)
*/

relive 2005-04-15