/* * * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package java2d.demos.Composite; import static java.awt.Color.BLACK; import static java.awt.Color.BLUE; import static java.awt.Color.CYAN; import static java.awt.Color.GREEN; import static java.awt.Color.LIGHT_GRAY; import static java.awt.Color.MAGENTA; import static java.awt.Color.ORANGE; import static java.awt.Color.PINK; import static java.awt.Color.RED; import static java.awt.Color.WHITE; import static java.awt.Color.YELLOW; import java.awt.AlphaComposite; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Image; import java.awt.Shape; import java.awt.font.TextLayout; import java.awt.geom.Ellipse2D; import java.awt.geom.Rectangle2D; import java.awt.geom.RoundRectangle2D; import java2d.Surface; /** * Compositing shapes on images. */ @SuppressWarnings("serial") public class ACimages extends Surface { private static final String s[] = { "box", "fight", "magnify", "boxwave", "globe", "snooze", "tip", "thumbsup", "dukeplug" }; private static Image imgs[] = new Image[s.length]; private static Color colors[] = { BLUE, CYAN, GREEN, MAGENTA, ORANGE, PINK, RED, YELLOW, LIGHT_GRAY }; public ACimages() { setBackground(WHITE); for (int i = 0; i < imgs.length; i++) { imgs[i] = getImage(s[i] + ".png"); } } @Override public void render(int w, int h, Graphics2D g2) { float alpha = 0.0f; int iw = w / 3; int ih = (h - 45) / 3; float xx = 0, yy = 15; for (int i = 0; i < imgs.length; i++) { xx = (i % 3 == 0) ? 0 : xx + w / 3; switch (i) { case 3: yy = h / 3 + 15; break; case 6: yy = h / 3 * 2 + 15; } g2.setComposite(AlphaComposite.SrcOver); g2.setColor(BLACK); AlphaComposite ac = AlphaComposite.SrcOver.derive(alpha += .1f); String str = "a=" + Float.toString(alpha).substring(0, 3); new TextLayout(str, g2.getFont(), g2.getFontRenderContext()).draw(g2, xx + 3, yy - 2); Shape shape = null; switch (i % 3) { case 0: shape = new Ellipse2D.Float(xx, yy, iw, ih); break; case 1: shape = new RoundRectangle2D.Float(xx, yy, iw, ih, 25, 25); break; case 2: shape = new Rectangle2D.Float(xx, yy, iw, ih); break; } g2.setColor(colors[i]); g2.setComposite(ac); g2.fill(shape); g2.drawImage(imgs[i], (int) xx, (int) yy, iw, ih, null); } } public static void main(String s[]) { createDemoFrame(new ACimages()); } }