如何使图片在Java中不模糊 [英] How to make a picture not blurry in Java
问题描述
我在应用程序中截了一个表的片段，并且希望在应用程序的教程部分中显示该片段.我无法在没有模糊的情况下显示它.我不知道是什么原因造成的.当我在Windows照片查看器中打开图片时，图片很好，但是在应用程序中，图片模糊.
I took a snip of a table in my application, and i want to display that snip in a tutorial section of the app. I can not get it to display with out being blurry. I don't know what is causing this. The picture is fine when i open it up in Windows photo viewer, but in the app it is blurry.
我的所有图片都存储在项目中的一个名为图标的包中，它们不是指向图片的链接，而是实际的副本.
All my pictures are stored in a package called icons in my project, and they are not links to the pictures but actual copies.
这是我的代码的最小工作示例.如果有任何调整图像大小的东西，使其失去质量，我该如何防止呢?
Here is a minimal working example of my code. If anything that resizes the image, makes it lose quality how i can i prevent that?
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Color;
import java.awt.Component;
import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import java.awt.Insets;
import java.awt.Font;
import java.awt.Dimension;
import javax.swing.JTextArea;
@SuppressWarnings("serial")
public class example extends JFrame {
private JPanel contentPane;
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
example frame = new example();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public example() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 558, 373);
contentPane = new JPanel();
contentPane.setBackground(Color.WHITE);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
GridBagLayout gbl_contentPane = new GridBagLayout();
gbl_contentPane.columnWidths = new int[]{0, 0};
gbl_contentPane.rowHeights = new int[]{0, 0};
gbl_contentPane.columnWeights = new double[]{1.0, Double.MIN_VALUE};
gbl_contentPane.rowWeights = new double[]{1.0, Double.MIN_VALUE};
contentPane.setLayout(gbl_contentPane);
JPanel panel = new JPanel();
panel.setBackground(Color.WHITE);
GridBagConstraints gbc_panel = new GridBagConstraints();
gbc_panel.fill = GridBagConstraints.BOTH;
gbc_panel.gridx = 0;
gbc_panel.gridy = 0;
contentPane.add(panel, gbc_panel);
GridBagLayout gbl_panel = new GridBagLayout();
gbl_panel.columnWidths = new int[]{0, 0, 0};
gbl_panel.rowHeights = new int[]{0, 0, 0, 100, 0};
gbl_panel.columnWeights = new double[]{0.0, 1.0, Double.MIN_VALUE};
gbl_panel.rowWeights = new double[]{0.0, 0.0, 0.0, 0.0,
Double.MIN_VALUE};
panel.setLayout(gbl_panel);
JLabel lblWordsGoHere = new JLabel("Words go here");
lblWordsGoHere.setFont(new Font("Tahoma", Font.PLAIN, 18));
GridBagConstraints gbc_lblWordsGoHere = new GridBagConstraints();
gbc_lblWordsGoHere.insets = new Insets(0, 0, 5, 0);
gbc_lblWordsGoHere.gridx = 1;
gbc_lblWordsGoHere.gridy = 0;
panel.add(lblWordsGoHere, gbc_lblWordsGoHere);
Component horizontalStrut = Box.createHorizontalStrut(20);
horizontalStrut.setPreferredSize(new Dimension(20, 20));
GridBagConstraints gbc_horizontalStrut = new GridBagConstraints();
gbc_horizontalStrut.insets = new Insets(0, 0, 5, 5);
gbc_horizontalStrut.gridx = 0;
gbc_horizontalStrut.gridy = 1;
panel.add(horizontalStrut, gbc_horizontalStrut);
JLabel lblNewLabel = new JLabel("More words here...");
lblNewLabel.setFont(new Font("Tahoma", Font.PLAIN, 14));
GridBagConstraints gbc_lblNewLabel = new GridBagConstraints();
gbc_lblNewLabel.insets = new Insets(0, 0, 5, 0);
gbc_lblNewLabel.anchor = GridBagConstraints.WEST;
gbc_lblNewLabel.gridx = 1;
gbc_lblNewLabel.gridy = 1;
panel.add(lblNewLabel, gbc_lblNewLabel);
JLabel lblNewLabel_1 = new JLabel(new ImageIcon(example.class.getResource("/icons/Step3.png")));
GridBagConstraints gbc_lblNewLabel_1 = new GridBagConstraints();
gbc_lblNewLabel_1.insets = new Insets(0, 0, 5, 0);
gbc_lblNewLabel_1.gridx = 1;
gbc_lblNewLabel_1.gridy = 2;
panel.add(lblNewLabel_1, gbc_lblNewLabel_1);
JTextArea txtrLotsOfDescriptive = new JTextArea();
txtrLotsOfDescriptive.setFont(new Font("Monospaced", Font.PLAIN, 14));
txtrLotsOfDescriptive.setText("lots of descriptive words....");
GridBagConstraints gbc_txtrLotsOfDescriptive = new GridBagConstraints();
gbc_txtrLotsOfDescriptive.fill = GridBagConstraints.BOTH;
gbc_txtrLotsOfDescriptive.gridx = 1;
gbc_txtrLotsOfDescriptive.gridy = 3;
panel.add(txtrLotsOfDescriptive, gbc_txtrLotsOfDescriptive);
}
}
这是图像，它是应用程序的原始片段，您可以说它看起来还不错，这就是我希望它在应用程序中显示和显示的方式.
here is the image, the original snip from application, as you can tell it looks alright and this is how i would want it to look and display in the app.
现在这是通过教程屏幕中的代码显示的图像的片段.它不是那么简洁，实际上看起来比显示的要差一些，因为剪裁放大了它.剪裁使其在这里更容易阅读，但是您仍然可以看到它与其他图片不一样.它已经失去了一些质量，我不知道为什么或要怎么做.任何帮助和建议都将走很长的路！谢谢！
now here is the snip from the image being displayed via the code in the tutorial screen. it's not as concise and it actually looks a bit worse than what is shown because the snip enlarged it. The snip makes it a little easier to read here, but you can still see that it doesn't look like the other picture. it has lost some quality and i don't know why or what to do about it. Any help and suggestions would go a long way! thank you!
推荐答案
@camickr的评论是我的问题的答案.在Windows设置中，我的缩放比例为125％.我将其更改为100％，并且图像质量大大提高了.看起来就像在照片查看器中一样.
A comment from @camickr was the answer to my problem. My scaling was on 125% in my windows settings. I changed it to 100% and my picture quality improved greatly. Looks just it does in the photo viewer.
这篇关于如何使图片在Java中不模糊的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
