^^^^^^^^^^^^^^^^^
TiledImages.java Demonstrates using a TexturePaint to fill an shape with a tiled image. Uses the following class and images:
* ImageUtilities.java Simplifies creating a BufferedImage from an image file.
~~~~~~~~~~~~~~~~~~
import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
/** An example of using TexturePaint to fill objects with tiled
* images. Uses the getBufferedImage method of ImageUtilities
* to load an Image from a file and turn that into a
* BufferedImage.
*
****************
public class TiledImages extends JPanel {
private String dir = System.getProperty("user.dir");
private String imageFile1 = dir + "/images/marty.jpg";
private TexturePaint imagePaint1;
private Rectangle imageRect;
private String imageFile2 = dir + "/images/bluedrop.gif";
private TexturePaint imagePaint2;
private int[] xPoints = { 30, 700, 400 };
private int[] yPoints = { 30, 30, 600 };
private Polygon imageTriangle =
new Polygon(xPoints, yPoints, 3);
public TiledImages() {
BufferedImage image =
ImageUtilities.getBufferedImage(imageFile1, this);
imageRect = new Rectangle(235, 70, image.getWidth(),
image.getHeight());
imagePaint1 = new TexturePaint(image, imageRect);
image = ImageUtilities.getBufferedImage(imageFile2, this);
imagePaint2 =
new TexturePaint(image, new Rectangle(0, 0, 32, 32));
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
g2d.setPaint(imagePaint2);
g2d.fill(imageTriangle);
g2d.setPaint(Color.blue);
g2d.setStroke(new BasicStroke(5));
g2d.draw(imageTriangle);
g2d.setPaint(imagePaint1);
g2d.fill(imageRect);
g2d.setPaint(Color.black);
g2d.draw(imageRect);
}
public static void main(String[] args) {
WindowUtilities.openInJFrame(new TiledImages(), 750, 650);
}
}
>>>>>>>>>>>>>>
ImageUtilities.java Simplifies creating a BufferedImage from an image file.
>>>>>>>>>>>>>>>
import java.awt.*;
import java.awt.image.*;
/** A class that simplifies a few common image operations, in
* particular, creating a BufferedImage from an image file and
* using MediaTracker to wait until an image or several images
* are done loading.
*
********************
public class ImageUtilities {
/** Create Image from a file, then turn that into a
* BufferedImage.
*/
public static BufferedImage getBufferedImage(String imageFile,
Component c) {
Image image = c.getToolkit().getImage(imageFile);
waitForImage(image, c);
BufferedImage bufferedImage =
new BufferedImage(image.getWidth(c), image.getHeight(c),
BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = bufferedImage.createGraphics();
g2d.drawImage(image, 0, 0, c);
return(bufferedImage);
}
/** Take an Image associated with a file, and wait until it is
* done loading (just a simple application of MediaTracker).
* If you are loading multiple images, don't use this
* consecutive times; instead, use the version that takes
* an array of images.
*/
public static boolean waitForImage(Image image, Component c) {
MediaTracker tracker = new MediaTracker(c);
tracker.addImage(image, 0);
try {
tracker.waitForAll();
} catch(InterruptedException ie) {}
return(!tracker.isErrorAny());
}
/** Take some Images associated with files, and wait until they
* are done loading (just a simple application of
* MediaTracker).
*/
public static boolean waitForImages(Image[] images, Component c) {
MediaTracker tracker = new MediaTracker(c);
for(int i=0; i
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