Java Swing 創建轉圈的進度提示框
摘自 https://blog.csdn.net/nihaoqiulinhe/article/details/52439486
置頂
2016年09月05日 13:40:07
閱讀數：4104
總是覺得Java Swing沒有Android的好,不能自定義組件,實現漂亮的進度提示框,比如那種轉圈的,谷歌了一下竟然發現有大牛實現了類似的額效果:
使用方法:
1.具體只需要兩個類:AnimatedPanel.java, InfiniteProgressPanel.java,具體的內容如下:
AnimatedPanel.java的代碼如下:
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package com.jframe.ceshi;
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/*
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* Created on 25 juin 2004
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* AnimatedPanel.java
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* Panneau anim茅.
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*/
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import java.awt.AlphaComposite;
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.RenderingHints;
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import java.awt.font.FontRenderContext;
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import java.awt.font.TextLayout;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.BufferedImageOp;
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import java.awt.image.ConvolveOp;
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import java.awt.image.Kernel;
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import javax.swing.ImageIcon;
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import javax.swing.JPanel;
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/**
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* Affiche un panneau anim茅. L'animation consiste en l'highlight d'une image.
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*
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* @author Romain Guy
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*/
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public
class AnimatedPanel extends JPanel {
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/**
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*
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*/
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private
static
final
long serialVersionUID =
1L;
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private
float gradient;
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private String message;
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private Thread animator;
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private BufferedImage convolvedImage;
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private BufferedImage originalImage;
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private Font font;
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private
static AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER);
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/**
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* Cr茅e un panneau anim茅 contenant l'image pass茅e en param貓tre. L'animation
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* ne d茅marre que par un appel 脿 start().
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*
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* @param message Le message 脿 afficher
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* @param icon L'image 脿 afficher et 脿 animer
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* @author Romain Guy
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*/
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public AnimatedPanel(String message, ImageIcon icon) {
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this.message = message;
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this.font = getFont().deriveFont(
14.0f);
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Image image = icon.getImage();
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originalImage =
new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
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convolvedImage =
new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
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Graphics g = originalImage.createGraphics();
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g.drawImage(image,
0,
0,
this);
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g.dispose();
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setBrightness(
1.0f);
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setOpaque(
false);
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}
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@Override
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public void paintComponent(Graphics g) {
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super.paintComponent(g);
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if (convolvedImage !=
null) {
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int width = getWidth();
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int height = getHeight();
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synchronized (convolvedImage) {
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Graphics2D g2 = (Graphics2D) g;
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g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
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FontRenderContext context = g2.getFontRenderContext();
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TextLayout layout =
new TextLayout(message, font, context);
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Rectangle2D bounds = layout.getBounds();
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int x = (width - convolvedImage.getWidth(
null)) /
2;
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int y = (
int) (height - (convolvedImage.getHeight(
null) + bounds.getHeight() + layout.getAscent())) /
2;
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g2.drawImage(convolvedImage, x, y,
this);
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g2.setColor(
new Color(
0,
0,
0, (
int) (gradient *
255)));
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layout.draw(g2, (
float) (width - bounds.getWidth()) /
2,
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(
float) (y + convolvedImage.getHeight(
null) + bounds.getHeight() + layout.getAscent()));
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}
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}
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}
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/**
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* Modifie la luminosit茅 de l'image.
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*
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* @param multiple Le taux de luminosit茅
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*/
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private void setBrightness(float multiple) {
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float[] brightKernel = { multiple };
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RenderingHints hints =
new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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BufferedImageOp bright =
new ConvolveOp(
new Kernel(
1,
1, brightKernel), ConvolveOp.EDGE_NO_OP, hints);
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bright.filter(originalImage, convolvedImage);
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repaint();
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}
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/**
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* Modifie le d茅grad茅 du texte.
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*
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* @param gradient Le coefficient de d茅grad茅
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*/
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private void setGradientFactor(float gradient) {
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this.gradient = gradient;
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}
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/**
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* D茅marre l'animation du panneau.
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*/
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public void start() {
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this.animator =
new Thread(
new HighlightCycler(),
"Highlighter");
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this.animator.start();
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}
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/**
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* Arr錨te l'animation.
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*/
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public void stop() {
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if (
this.animator !=
null) {
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this.animator.interrupt();
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}
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this.animator =
null;
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}
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/**
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* Fait cycler la valeur d'highlight de l'image.
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*
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* @author Romain Guy
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*/
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class HighlightCycler implements Runnable {
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private
int way =
1;
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private
final
int LOWER_BOUND =
10;
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private
final
int UPPER_BOUND =
35;
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private
int value = LOWER_BOUND;
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@Override
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public void run() {
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while (
true) {
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try {
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Thread.sleep(
1000 / (UPPER_BOUND - LOWER_BOUND));
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}
catch (InterruptedException e) {
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return;
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}
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value +=
this.way;
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if (value > UPPER_BOUND) {
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value = UPPER_BOUND;
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this.way = -
1;
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}
else
if (value < LOWER_BOUND) {
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value = LOWER_BOUND;
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this.way =
1;
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}
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synchronized (convolvedImage) {
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setBrightness((
float) value /
10);
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setGradientFactor((
float) value / UPPER_BOUND);
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}
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}
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}
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}
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}
2. InfiniteProgressPanel.java代碼如下:
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package com.jframe.ceshi;
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.awt.font.FontRenderContext;
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import java.awt.font.TextLayout;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Area;
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import java.awt.geom.Ellipse2D;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import javax.swing.JComponent;
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public
class InfiniteProgressPanel extends JComponent implements MouseListener {
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/**
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*
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*/
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private
static
final
long serialVersionUID =
1L;
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protected Area[] ticker =
null;
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protected Thread animation =
null;
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protected
boolean started =
false;
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protected
int alphaLevel =
0;
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protected
int rampDelay =
300;
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protected
float shield =
0.70f;
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protected String text =
"";
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protected
int barsCount =
14;
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protected
float fps =
15.0f;
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protected RenderingHints hints =
null;
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public InfiniteProgressPanel() {
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this(
"");
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}
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public InfiniteProgressPanel(String text) {
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this(text,
14);
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}
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public InfiniteProgressPanel(String text, int barsCount) {
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this(text, barsCount,
0.70f);
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}
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public InfiniteProgressPanel(String text, int barsCount, float shield) {
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this(text, barsCount, shield,
15.0f);
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}
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public InfiniteProgressPanel(String text, int barsCount, float shield, float fps) {
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this(text, barsCount, shield, fps,
300);
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}
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public InfiniteProgressPanel(String text, int barsCount, float shield, float fps, int rampDelay) {
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this.text = text;
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this.rampDelay = rampDelay >=
0 ? rampDelay :
0;
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this.shield = shield >=
0.0f ? shield :
0.0f;
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this.fps = fps >
0.0f ? fps :
15.0f;
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this.barsCount = barsCount >
0 ? barsCount :
14;
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this.hints =
new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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this.hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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this.hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
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}
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public void setText(String text) {
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repaint();
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this.text = text;
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}
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public String getText() {
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return text;
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}
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public void start() {
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addMouseListener(
this);
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setVisible(
true);
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ticker = buildTicker();
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animation =
new Thread(
new Animator(
true));
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animation.start();
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}
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public void stop() {
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if (animation !=
null) {
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animation.interrupt();
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animation =
null;
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animation =
new Thread(
new Animator(
false));
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animation.start();
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}
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}
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public void interrupt() {
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if (animation !=
null) {
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animation.interrupt();
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animation =
null;
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removeMouseListener(
this);
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setVisible(
false);
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}
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}
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@Override
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public void paintComponent(Graphics g) {
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if (started) {
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int width = getWidth();
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int height = getHeight();
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double maxY =
0.0;
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Graphics2D g2 = (Graphics2D) g;
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g2.setRenderingHints(hints);
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g2.setColor(
new Color(
255,
255,
255, (
int) (alphaLevel * shield)));
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g2.fillRect(
0,
0, getWidth(), getHeight());
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for (
int i =
0; i < ticker.length; i++) {
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int channel =
224 -
128 / (i +
1);
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g2.setColor(
new Color(channel, channel, channel, alphaLevel));
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g2.fill(ticker[i]);
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Rectangle2D bounds = ticker[i].getBounds2D();
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if (bounds.getMaxY() > maxY) {
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maxY = bounds.getMaxY();
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}
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}
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if (text !=
null && text.length() >
0) {
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FontRenderContext context = g2.getFontRenderContext();
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TextLayout layout =
new TextLayout(text, getFont(), context);
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Rectangle2D bounds = layout.getBounds();
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g2.setColor(getForeground());
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layout.draw(g2, (
float) (width - bounds.getWidth()) /
2,
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(
float) (maxY + layout.getLeading() +
2 * layout.getAscent()));
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}
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}
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}
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private Area[] buildTicker() {
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Area[] ticker =
new Area[barsCount];
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Point2D.Double center =
new Point2D.Double((
double) getWidth() /
2, (
double) getHeight() /
2);
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double fixedAngle =
2.0 * Math.PI / (barsCount);
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for (
double i =
0.0; i < barsCount; i++) {
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Area primitive = buildPrimitive();
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AffineTransform toCenter = AffineTransform.getTranslateInstance(center.getX(), center.getY());
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AffineTransform toBorder = AffineTransform.getTranslateInstance(
45.0, -
6.0);
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AffineTransform toCircle = AffineTransform.getRotateInstance(-i * fixedAngle, center.getX(), center.getY());
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AffineTransform toWheel =
new AffineTransform();
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toWheel.concatenate(toCenter);
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toWheel.concatenate(toBorder);
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primitive.transform(toWheel);
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primitive.transform(toCircle);
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ticker[(
int) i] = primitive;
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}
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return ticker;
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}
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private Area buildPrimitive() {
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Rectangle2D.Double body =
new Rectangle2D.Double(
6,
0,
30,
12);
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Ellipse2D.Double head =
new Ellipse2D.Double(
0,
0,
12,
12);
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Ellipse2D.Double tail =
new Ellipse2D.Double(
30,
0,
12,
12);
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Area tick =
new Area(body);
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tick.add(
new Area(head));
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tick.add(
new Area(tail));
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return tick;
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}
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protected
class Animator implements Runnable {
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private
boolean rampUp =
true;
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protected Animator(boolean rampUp) {
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this.rampUp = rampUp;
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}
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@Override
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public void run() {
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Point2D.Double center =
new Point2D.Double((
double) getWidth() /
2, (
double) getHeight() /
2);
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double fixedIncrement =
2.0 * Math.PI / (barsCount);
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AffineTransform toCircle = AffineTransform.getRotateInstance(fixedIncrement, center.getX(), center.getY());
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long start = System.currentTimeMillis();
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if (rampDelay ==
0) {
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alphaLevel = rampUp ?
255 :
0;
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}
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started =
true;
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boolean inRamp = rampUp;
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while (!Thread.interrupted()) {
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if (!inRamp) {
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for (
int i =
0; i < ticker.length; i++) {
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ticker[i].transform(toCircle);
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}
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}
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repaint();
-
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if (rampUp) {
-
if (alphaLevel <
255) {
-
alphaLevel = (
int) (
255 * (System.currentTimeMillis() - start) / rampDelay);
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if (alphaLevel >=
255) {
-
alphaLevel =
255;
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inRamp =
false;
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}
-
}
-
}
else
if (alphaLevel >
0) {
-
alphaLevel = (
int) (
255 - (
255 * (System.currentTimeMillis() - start) / rampDelay));
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if (alphaLevel <=
0) {
-
alphaLevel =
0;
-
break;
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}
-
}
-
-
try {
-
Thread.sleep(inRamp ?
10 : (
int) (
1000 / fps));
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}
catch (InterruptedException ie) {
-
break;
-
}
-
Thread.yield();
-
}
-
-
if (!rampUp) {
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started =
false;
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repaint();
-
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setVisible(
false);
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removeMouseListener(InfiniteProgressPanel.
this);
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}
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}
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}
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@Override
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public void mouseClicked(MouseEvent e) {
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}
-
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@Override
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public void mousePressed(MouseEvent e) {
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}
-
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@Override
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public void mouseReleased(MouseEvent e) {
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}
-
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@Override
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public void mouseEntered(MouseEvent e) {
-
}
-
-
@Override
-
public void mouseExited(MouseEvent e) {
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}
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}
JFrame frame = new JFrame(); // ... InfiniteProgressPanel glasspane = new InfiniteProgressPanel();
Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize(); glasspane.setBounds(100, 100, (dimension.width) / 2, (dimension.height) / 2); frame.setGlassPane(glasspane); glasspane.start();//開始動畫加載效果 frame.setVisible(true); // Later, to disable,在合適的地方關閉動畫效果 glasspane.stop();參考的兩個鏈接如下:
http://www.javalobby.org/java/forums/t19222.html,http://www.curious-creature.com/2005/02/15/wait-with-style-in-swing/