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  • Java Swing 创建转圈的进度提示框

    Java Swing 创建转圈的进度提示框

    摘自 https://blog.csdn.net/nihaoqiulinhe/article/details/52439486

    置顶2016年09月05日 13:40:07
    阅读数：4104

         总是觉得Java Swing没有Android的好,不能自定义组件,实现漂亮的进度提示框,比如那种转圈的,谷歌了一下竟然发现有大牛实现了类似的额效果:


          使用方法:

    1.具体只需要两个类:AnimatedPanel.java, InfiniteProgressPanel.java,具体的内容如下:

         AnimatedPanel.java的代码如下:

    1. package com.jframe.ceshi;
    2.  
    3. /*
    4.  * Created on 25 juin 2004
    5.  * AnimatedPanel.java
    6.  * Panneau anim茅.
    7.  */
    8.  
    9. import java.awt.AlphaComposite;
    10. import java.awt.Color;
    11. import java.awt.Font;
    12. import java.awt.Graphics;
    13. import java.awt.Graphics2D;
    14. import java.awt.Image;
    15. import java.awt.RenderingHints;
    16. import java.awt.font.FontRenderContext;
    17. import java.awt.font.TextLayout;
    18. import java.awt.geom.Rectangle2D;
    19. import java.awt.image.BufferedImage;
    20. import java.awt.image.BufferedImageOp;
    21. import java.awt.image.ConvolveOp;
    22. import java.awt.image.Kernel;
    23.  
    24. import javax.swing.ImageIcon;
    25. import javax.swing.JPanel;
    26.  
    27. /**
    28.  * Affiche un panneau anim茅. L'animation consiste en l'highlight d'une image.
    29.  * 
    30.  * @author Romain Guy
    31.  */
    32. public class AnimatedPanel extends JPanel {
    33.  
    34. 	/**
    35. 	 * 
    36. 	 */
    37. 	private static final long serialVersionUID = 1L;
    38. 	private float gradient;
    39. 	private String message;
    40. 	private Thread animator;
    41. 	private BufferedImage convolvedImage;
    42. 	private BufferedImage originalImage;
    43. 	private Font font;
    44. 	private static AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER);
    45.  
    46. 	/**
    47. 	 * Cr茅e un panneau anim茅 contenant l'image pass茅e en param猫tre. L'animation
    48. 	 * ne d茅marre que par un appel 脿 start().
    49. 	 * 
    50. 	 * @param message Le message 脿 afficher
    51. 	 * @param icon L'image 脿 afficher et 脿 animer
    52. 	 * @author Romain Guy
    53. 	 */
    54. 	public AnimatedPanel(String message, ImageIcon icon) {
    55. 		this.message = message;
    56. 		this.font = getFont().deriveFont(14.0f);
    57.  
    58. 		Image image = icon.getImage();
    59. 		originalImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
    60. 		convolvedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
    61. 		Graphics g = originalImage.createGraphics();
    62. 		g.drawImage(image, 0, 0, this);
    63. 		g.dispose();
    64.  
    65. 		setBrightness(1.0f);
    66. 		setOpaque(false);
    67. 	}
    68.  
    69. 	@Override
    70. 	public void paintComponent(Graphics g) {
    71. 		super.paintComponent(g);
    72.  
    73. 		if (convolvedImage != null) {
    74. 			int width = getWidth();
    75. 			int height = getHeight();
    76.  
    77. 			synchronized (convolvedImage) {
    78. 				Graphics2D g2 = (Graphics2D) g;
    79. 				g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    80. 				g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    81. 				g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    82.  
    83. 				FontRenderContext context = g2.getFontRenderContext();
    84. 				TextLayout layout = new TextLayout(message, font, context);
    85. 				Rectangle2D bounds = layout.getBounds();
    86.  
    87. 				int x = (width - convolvedImage.getWidth(null)) / 2;
    88. 				int y = (int) (height - (convolvedImage.getHeight(null) + bounds.getHeight() + layout.getAscent())) / 2;
    89.  
    90. 				g2.drawImage(convolvedImage, x, y, this);
    91. 				g2.setColor(new Color(0, 0, 0, (int) (gradient * 255)));
    92. 				layout.draw(g2, (float) (width - bounds.getWidth()) / 2,
    93. 						(float) (y + convolvedImage.getHeight(null) + bounds.getHeight() + layout.getAscent()));
    94. 			}
    95. 		}
    96. 	}
    97.  
    98. 	/**
    99. 	 * Modifie la luminosit茅 de l'image.
    100. 	 * 
    101. 	 * @param multiple Le taux de luminosit茅
    102. 	 */
    103. 	private void setBrightness(float multiple) {
    104. 		float[] brightKernel = { multiple };
    105. 		RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    106. 		BufferedImageOp bright = new ConvolveOp(new Kernel(1, 1, brightKernel), ConvolveOp.EDGE_NO_OP, hints);
    107. 		bright.filter(originalImage, convolvedImage);
    108. 		repaint();
    109. 	}
    110.  
    111. 	/**
    112. 	 * Modifie le d茅grad茅 du texte.
    113. 	 * 
    114. 	 * @param gradient Le coefficient de d茅grad茅
    115. 	 */
    116. 	private void setGradientFactor(float gradient) {
    117. 		this.gradient = gradient;
    118. 	}
    119.  
    120. 	/**
    121. 	 * D茅marre l'animation du panneau.
    122. 	 */
    123. 	public void start() {
    124. 		this.animator = new Thread(new HighlightCycler(), "Highlighter");
    125. 		this.animator.start();
    126. 	}
    127.  
    128. 	/**
    129. 	 * Arr锚te l'animation.
    130. 	 */
    131. 	public void stop() {
    132. 		if (this.animator != null) {
    133. 			this.animator.interrupt();
    134. 		}
    135. 		this.animator = null;
    136. 	}
    137.  
    138. 	/**
    139. 	 * Fait cycler la valeur d'highlight de l'image.
    140. 	 * 
    141. 	 * @author Romain Guy
    142. 	 */
    143. 	class HighlightCycler implements Runnable {
    144.  
    145. 		private int way = 1;
    146. 		private final int LOWER_BOUND = 10;
    147. 		private final int UPPER_BOUND = 35;
    148. 		private int value = LOWER_BOUND;
    149.  
    150. 		@Override
    151. 		public void run() {
    152. 			while (true) {
    153. 				try {
    154. 					Thread.sleep(1000 / (UPPER_BOUND - LOWER_BOUND));
    155. 				} catch (InterruptedException e) {
    156. 					return;
    157. 				}
    158.  
    159. 				value += this.way;
    160. 				if (value > UPPER_BOUND) {
    161. 					value = UPPER_BOUND;
    162. 					this.way = -1;
    163. 				} else if (value < LOWER_BOUND) {
    164. 					value = LOWER_BOUND;
    165. 					this.way = 1;
    166. 				}
    167.  
    168. 				synchronized (convolvedImage) {
    169. 					setBrightness((float) value / 10);
    170. 					setGradientFactor((float) value / UPPER_BOUND);
    171. 				}
    172. 			}
    173. 		}
    174.  
    175. 	}
    176. }

        2. InfiniteProgressPanel.java代码如下:

       

    1. package com.jframe.ceshi;
    2.  
    3. import java.awt.Color;
    4. import java.awt.Graphics;
    5. import java.awt.Graphics2D;
    6. import java.awt.RenderingHints;
    7. import java.awt.event.MouseEvent;
    8. import java.awt.event.MouseListener;
    9. import java.awt.font.FontRenderContext;
    10. import java.awt.font.TextLayout;
    11. import java.awt.geom.AffineTransform;
    12. import java.awt.geom.Area;
    13. import java.awt.geom.Ellipse2D;
    14. import java.awt.geom.Point2D;
    15. import java.awt.geom.Rectangle2D;
    16.  
    17. import javax.swing.JComponent;
    18.  
    19. public class InfiniteProgressPanel extends JComponent implements MouseListener {
    20. 	/**
    21. 	 * 
    22. 	 */
    23. 	private static final long serialVersionUID = 1L;
    24. 	protected Area[] ticker = null;
    25. 	protected Thread animation = null;
    26. 	protected boolean started = false;
    27. 	protected int alphaLevel = 0;
    28. 	protected int rampDelay = 300;
    29. 	protected float shield = 0.70f;
    30. 	protected String text = "";
    31. 	protected int barsCount = 14;
    32. 	protected float fps = 15.0f;
    33.  
    34. 	protected RenderingHints hints = null;
    35.  
    36. 	public InfiniteProgressPanel() {
    37. 		this("");
    38. 	}
    39.  
    40. 	public InfiniteProgressPanel(String text) {
    41. 		this(text, 14);
    42. 	}
    43.  
    44. 	public InfiniteProgressPanel(String text, int barsCount) {
    45. 		this(text, barsCount, 0.70f);
    46. 	}
    47.  
    48. 	public InfiniteProgressPanel(String text, int barsCount, float shield) {
    49. 		this(text, barsCount, shield, 15.0f);
    50. 	}
    51.  
    52. 	public InfiniteProgressPanel(String text, int barsCount, float shield, float fps) {
    53. 		this(text, barsCount, shield, fps, 300);
    54. 	}
    55.  
    56. 	public InfiniteProgressPanel(String text, int barsCount, float shield, float fps, int rampDelay) {
    57. 		this.text = text;
    58. 		this.rampDelay = rampDelay >= 0 ? rampDelay : 0;
    59. 		this.shield = shield >= 0.0f ? shield : 0.0f;
    60. 		this.fps = fps > 0.0f ? fps : 15.0f;
    61. 		this.barsCount = barsCount > 0 ? barsCount : 14;
    62.  
    63. 		this.hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    64. 		this.hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    65. 		this.hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    66. 	}
    67.  
    68. 	public void setText(String text) {
    69. 		repaint();
    70. 		this.text = text;
    71. 	}
    72.  
    73. 	public String getText() {
    74. 		return text;
    75. 	}
    76.  
    77. 	public void start() {
    78. 		addMouseListener(this);
    79. 		setVisible(true);
    80. 		ticker = buildTicker();
    81. 		animation = new Thread(new Animator(true));
    82. 		animation.start();
    83. 	}
    84.  
    85. 	public void stop() {
    86. 		if (animation != null) {
    87. 			animation.interrupt();
    88. 			animation = null;
    89. 			animation = new Thread(new Animator(false));
    90. 			animation.start();
    91. 		}
    92. 	}
    93.  
    94. 	public void interrupt() {
    95. 		if (animation != null) {
    96. 			animation.interrupt();
    97. 			animation = null;
    98.  
    99. 			removeMouseListener(this);
    100. 			setVisible(false);
    101. 		}
    102. 	}
    103.  
    104. 	@Override
    105. 	public void paintComponent(Graphics g) {
    106. 		if (started) {
    107. 			int width = getWidth();
    108. 			int height = getHeight();
    109.  
    110. 			double maxY = 0.0;
    111.  
    112. 			Graphics2D g2 = (Graphics2D) g;
    113. 			g2.setRenderingHints(hints);
    114.  
    115. 			g2.setColor(new Color(255, 255, 255, (int) (alphaLevel * shield)));
    116. 			g2.fillRect(0, 0, getWidth(), getHeight());
    117.  
    118. 			for (int i = 0; i < ticker.length; i++) {
    119. 				int channel = 224 - 128 / (i + 1);
    120. 				g2.setColor(new Color(channel, channel, channel, alphaLevel));
    121. 				g2.fill(ticker[i]);
    122.  
    123. 				Rectangle2D bounds = ticker[i].getBounds2D();
    124. 				if (bounds.getMaxY() > maxY) {
    125. 					maxY = bounds.getMaxY();
    126. 				}
    127. 			}
    128.  
    129. 			if (text != null && text.length() > 0) {
    130. 				FontRenderContext context = g2.getFontRenderContext();
    131. 				TextLayout layout = new TextLayout(text, getFont(), context);
    132. 				Rectangle2D bounds = layout.getBounds();
    133. 				g2.setColor(getForeground());
    134. 				layout.draw(g2, (float) (width - bounds.getWidth()) / 2,
    135. 						(float) (maxY + layout.getLeading() + 2 * layout.getAscent()));
    136. 			}
    137. 		}
    138. 	}
    139.  
    140. 	private Area[] buildTicker() {
    141. 		Area[] ticker = new Area[barsCount];
    142. 		Point2D.Double center = new Point2D.Double((double) getWidth() / 2, (double) getHeight() / 2);
    143. 		double fixedAngle = 2.0 * Math.PI / (barsCount);
    144.  
    145. 		for (double i = 0.0; i < barsCount; i++) {
    146. 			Area primitive = buildPrimitive();
    147.  
    148. 			AffineTransform toCenter = AffineTransform.getTranslateInstance(center.getX(), center.getY());
    149. 			AffineTransform toBorder = AffineTransform.getTranslateInstance(45.0, -6.0);
    150. 			AffineTransform toCircle = AffineTransform.getRotateInstance(-i * fixedAngle, center.getX(), center.getY());
    151.  
    152. 			AffineTransform toWheel = new AffineTransform();
    153. 			toWheel.concatenate(toCenter);
    154. 			toWheel.concatenate(toBorder);
    155.  
    156. 			primitive.transform(toWheel);
    157. 			primitive.transform(toCircle);
    158.  
    159. 			ticker[(int) i] = primitive;
    160. 		}
    161.  
    162. 		return ticker;
    163. 	}
    164.  
    165. 	private Area buildPrimitive() {
    166. 		Rectangle2D.Double body = new Rectangle2D.Double(6, 0, 30, 12);
    167. 		Ellipse2D.Double head = new Ellipse2D.Double(0, 0, 12, 12);
    168. 		Ellipse2D.Double tail = new Ellipse2D.Double(30, 0, 12, 12);
    169.  
    170. 		Area tick = new Area(body);
    171. 		tick.add(new Area(head));
    172. 		tick.add(new Area(tail));
    173.  
    174. 		return tick;
    175. 	}
    176.  
    177. 	protected class Animator implements Runnable {
    178. 		private boolean rampUp = true;
    179.  
    180. 		protected Animator(boolean rampUp) {
    181. 			this.rampUp = rampUp;
    182. 		}
    183.  
    184. 		@Override
    185. 		public void run() {
    186. 			Point2D.Double center = new Point2D.Double((double) getWidth() / 2, (double) getHeight() / 2);
    187. 			double fixedIncrement = 2.0 * Math.PI / (barsCount);
    188. 			AffineTransform toCircle = AffineTransform.getRotateInstance(fixedIncrement, center.getX(), center.getY());
    189.  
    190. 			long start = System.currentTimeMillis();
    191. 			if (rampDelay == 0) {
    192. 				alphaLevel = rampUp ? 255 : 0;
    193. 			}
    194.  
    195. 			started = true;
    196. 			boolean inRamp = rampUp;
    197.  
    198. 			while (!Thread.interrupted()) {
    199. 				if (!inRamp) {
    200. 					for (int i = 0; i < ticker.length; i++) {
    201. 						ticker[i].transform(toCircle);
    202. 					}
    203. 				}
    204.  
    205. 				repaint();
    206.  
    207. 				if (rampUp) {
    208. 					if (alphaLevel < 255) {
    209. 						alphaLevel = (int) (255 * (System.currentTimeMillis() - start) / rampDelay);
    210. 						if (alphaLevel >= 255) {
    211. 							alphaLevel = 255;
    212. 							inRamp = false;
    213. 						}
    214. 					}
    215. 				} else if (alphaLevel > 0) {
    216. 					alphaLevel = (int) (255 - (255 * (System.currentTimeMillis() - start) / rampDelay));
    217. 					if (alphaLevel <= 0) {
    218. 						alphaLevel = 0;
    219. 						break;
    220. 					}
    221. 				}
    222.  
    223. 				try {
    224. 					Thread.sleep(inRamp ? 10 : (int) (1000 / fps));
    225. 				} catch (InterruptedException ie) {
    226. 					break;
    227. 				}
    228. 				Thread.yield();
    229. 			}
    230.  
    231. 			if (!rampUp) {
    232. 				started = false;
    233. 				repaint();
    234.  
    235. 				setVisible(false);
    236. 				removeMouseListener(InfiniteProgressPanel.this);
    237. 			}
    238. 		}
    239. 	}
    240.  
    241. 	@Override
    242. 	public void mouseClicked(MouseEvent e) {
    243. 	}
    244.  
    245. 	@Override
    246. 	public void mousePressed(MouseEvent e) {
    247. 	}
    248.  
    249. 	@Override
    250. 	public void mouseReleased(MouseEvent e) {
    251. 	}
    252.  
    253. 	@Override
    254. 	public void mouseEntered(MouseEvent e) {
    255. 	}
    256.  
    257. 	@Override
    258. 	public void mouseExited(MouseEvent e) {
    259. 	}
    260. }
         3.如何在你的Java Swing使用呢,如下步骤:

    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();//开始动画加载效果 frame.setVisible(true);   // Later, to disable,在合适的地方关闭动画效果 glasspane.stop();
         参考的两个链接如下:

    http://www.javalobby.org/java/forums/t19222.html,http://www.curious-creature.com/2005/02/15/wait-with-style-in-swing/
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  • 原文地址：https://www.cnblogs.com/LiuYanYGZ/p/9333158.html
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