{"id":26882,"date":"2021-05-04T23:10:05","date_gmt":"2021-05-05T03:10:05","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/illustrates-the-effect-of-different-transparency-programming-code-examples-java-j2ee-j2me-drawing\/"},"modified":"2021-05-04T23:10:05","modified_gmt":"2021-05-05T03:10:05","slug":"illustrates-the-effect-of-different-transparency-programming-code-examples-java-j2ee-j2me-drawing","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=26882","title":{"rendered":"Illustrates the effect of different transparency #Programming Code Examples #Java\/J2EE\/J2ME #Drawing"},"content":{"rendered":"
\n~~~~~~~~~~~~~~~~~~~\nTransparencyExample.java Illustrates the effect of different transparency (alpha) values when drawing a shape.\n~~~~~~~~~~~~~~~~~~~\nimport javax.swing.*;\nimport java.awt.*;\nimport java.awt.geom.*;\n\n\/** An illustration of the use of AlphaComposite to make\n *  partially transparent drawings.\n *\n **********************************\n\npublic class TransparencyExample extends JPanel {\n  private static int gap=10, width=60, offset=20,\n                     deltaX=gap+width+offset;\n  private Rectangle\n    blueSquare = new Rectangle(gap+offset, gap+offset, width,\n                               width),\n    redSquare = new Rectangle(gap, gap, width, width);\n\n  private AlphaComposite makeComposite(float alpha) {\n    int type = AlphaComposite.SRC_OVER;\n    return(AlphaComposite.getInstance(type, alpha));\n  }\n\n  private void drawSquares(Graphics2D g2d, float alpha) {\n    Composite originalComposite = g2d.getComposite();\n    g2d.setPaint(Color.blue);\n    g2d.fill(blueSquare);\n    g2d.setComposite(makeComposite(alpha));\n    g2d.setPaint(Color.red);\n    g2d.fill(redSquare);\n    g2d.setComposite(originalComposite);\n  }\n\n  public void paintComponent(Graphics g) {\n    super.paintComponent(g);\n    Graphics2D g2d = (Graphics2D)g;\n    for(int i=0; i<11; i++) {\n      drawSquares(g2d, i*0.1F);\n      g2d.translate(deltaX, 0);\n    }\n  }\n\n  public static void main(String[] args) {\n    String title = "Transparency example: alpha of the top " +\n                   "(red) square ranges from 0.0 at the left " +\n                   "to 1.0 at the right. Bottom (blue) square " + \n                   "is opaque.";\n    WindowUtilities.openInJFrame(new TransparencyExample(),\n                                 11*deltaX + 2*gap,\n                                 deltaX + 3*gap,\n                                 title, Color.lightGray);\n  }\n}\n>>>>>>>>>>>>>>>>>>\n<\/pre>\n
Note: Brought from our old site: http:\/\/www.salearningschool.com\/example_codes\/ on Jan 2nd, 2017 From: http:\/\/sitestree.com\/?p=10374
 Categories:Programming Code Examples, Java\/J2EE\/J2ME, Drawing
Tags:Java\/J2EE\/J2MEDrawing
 Post Data:2017-01-02 16:04:35<\/p>\n
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~~~~~~~~~~~~~~~~~~~ TransparencyExample.java Illustrates the effect of different transparency (alpha) values when drawing a shape. ~~~~~~~~~~~~~~~~~~~ import javax.swing.*; import java.awt.*; import java.awt.geom.*; \/** An illustration of the use of AlphaComposite to make * partially transparent drawings. * ********************************** public class TransparencyExample extends JPanel { private static int gap=10, width=60, offset=20, deltaX=gap+width+offset; private Rectangle blueSquare = new … <\/p>\n
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Illustrates the effect of applying a shear transformation prior to drawing a square","author":"","date":"August 28, 2015","format":false,"excerpt":"import javax.swing.*; import java.awt.*; import java.awt.geom.*; \/** An example of shear transformations on a rectangle. \u00a0* \u00a0*********************** public class ShearExample extends JPanel { \u00a0 private static int gap=10, width=100; \u00a0 private Rectangle rect = new Rectangle(gap, gap, 100, 100); \u00a0 public void paintComponent(Graphics g) { \u00a0\u00a0\u00a0 super.paintComponent(g); \u00a0\u00a0\u00a0 Graphics2D g2d\u2026","rel":"","context":"In "Code . Programming Samples . \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u0989\u09a6\u09be\u09b9\u09b0\u09a8"","block_context":{"text":"Code . 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