在SWT开发中,由于用到了背景图等原故,所以我想某些组件背景是透明的.各位有什么办法吗?比如 shell透明的,composite透明的,或button,或Label是透明的背景.有劳各位.
解决方案 »
- 有关rcp中PropertySheet的使用。
- 求一双向键表和一循环键表!
- 请教一个JDBC-ODBC中的问题.....
- ----ArrayList的问题-----
- 为什么SQL SERVER 2000下读RS后只能读一次?
- 还是Applet在浏览器运行的问题!!我被搞败了...大侠帮我.
- 这个程序是对是错,是对输出结果是多少,是错哪里错怎么改
- error:“[Microsoft][ODBC SQL Server Driver]无效的描述符索引”
- 请问用JAVA做成的成果有什么?例如什么软件,或者网络工具,说得越多例子分数越多.
- 如何用Java实现移动Agent?
- IE如何判断请求的URL传回的数据是用来下载,还是显示
- 请问可以 在一个包含图片的JLabel上显示另一个JLabel吗?
通过设定ImageData的alpha的方法可以很容易地实现图片的。
这样,你就得自绘按钮了
* @(#)TextureImage.java 1.26 02/10/21 13:57:32
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. 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.
* - Redistribution 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 Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGES.
*
* You acknowledge that Software is not designed,licensed or intended for use in
* the design, construction, operation or maintenance of any nuclear facility.
*/import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;import javax.media.j3d.Alpha;
import javax.media.j3d.Appearance;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.RotationInterpolator;
import javax.media.j3d.Texture;
import javax.media.j3d.TextureAttributes;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.swing.JFrame;
import javax.vecmath.Point3d;import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.image.TextureLoader;
import com.sun.j3d.utils.universe.SimpleUniverse;public class TextureImage extends JFrame { private java.net.URL texImage = null; private SimpleUniverse u = null; public BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup(); // Create the transform group node and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// our behavior code can modify it at runtime. Add it to the
// root of the subgraph.
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objRoot.addChild(objTrans); // Create appearance object for textured cube
Appearance app = new Appearance();
Texture tex = new TextureLoader(texImage, this).getTexture();
app.setTexture(tex);
TextureAttributes texAttr = new TextureAttributes();
texAttr.setTextureMode(TextureAttributes.MODULATE);
app.setTextureAttributes(texAttr); // Create textured cube and add it to the scene graph.
Box textureCube = new Box(0.4f, 0.4f, 0.4f,
Box.GENERATE_TEXTURE_COORDS, app);
objTrans.addChild(textureCube); // Create a new Behavior object that will perform the desired
// operation on the specified transform object and add it into
// the scene graph.
Transform3D yAxis = new Transform3D();
Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0,
4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha,
objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f);
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
100.0);
rotator.setSchedulingBounds(bounds);
objTrans.addChild(rotator); // Have Java 3D perform optimizations on this scene graph.
objRoot.compile(); return objRoot;
} public TextureImage() {
} public TextureImage(java.net.URL url) {
texImage = url;
init();
setSize(1000, 1000);
setVisible(true);
} public void init() {
// if (texImage == null) {
// // the path to the image for an applet
// try {
// texImage = new java.net.URL(getCodeBase().toString()
// + "/stone.jpg");
// } catch (java.net.MalformedURLException ex) {
// System.out.println(ex.getMessage());
// System.exit(1);
// }
// }
texImage = TextureImage.class.getResource("/resources/images/small_blue.png");
setLayout(new BorderLayout());
GraphicsConfiguration config = SimpleUniverse
.getPreferredConfiguration(); Canvas3D c = new Canvas3D(config);
add("Center", c); // Create a simple scene and attach it to the virtual universe
BranchGroup scene = createSceneGraph();
u = new SimpleUniverse(c); // This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform(); u.addBranchGraph(scene);
} public void destroy() {
u.cleanup();
} //
// The following allows TextureImage to be run as an application
// as well as an applet
//
public static void main(String[] args) {
java.net.URL url = null;
// if (args.length > 0) {
// try {
// url = new java.net.URL("file:" + args[0]);
// } catch (java.net.MalformedURLException ex) {
// System.out.println(ex.getMessage());
// System.exit(1);
// }
//
// } else {
// // the path to the image for an application
// try {
// url = new java.net.URL("file:stone.jpg");
// } catch (java.net.MalformedURLException ex) {
// System.out.println(ex.getMessage());
// System.exit(1);
// }
//
// }
// new Main11Frame(new TextureImage(url), 256, 256);
url = TextureImage.class.getResource("/resources/images/small_blue.png");
TextureImage tt = new TextureImage(url);
}}