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/*
* Created on Nov 17, 2003
*
*/
package jake2.imageio;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import javax.imageio.*;
/**
* @author cwei
*
*/
public class TestImage {
static final String TEST_FILE = "pics/colormap.pcx";
static final long PAUSE = 15; // ms
static final int ENTRIES = 2501;
File pakPath;
List imageFiles;
TestImage(File pakPath) {
this.pakPath = pakPath;
this.imageFiles = new ArrayList(ENTRIES);
}
public static void main(String[] args) throws Exception {
if (args == null || args.length == 0) {
usage();
}
File path = new File(args[0]);
if (!path.isDirectory()) {
System.err.println(path.toString() + " is not a directory");
usage();
}
if (!new File(path.getPath() + "/" + TEST_FILE).canRead()) {
System.err.println(
path.getPath() + " is not a unpacked quake2-pak file location");
usage();
}
System.out.println("*** Start Image test ***\n");
ImageIO.scanForPlugins();
TestImage test = new TestImage(path);
test.run();
System.gc();
Runtime rt = Runtime.getRuntime();
System.out.println(
"JVM total memory: " + rt.totalMemory() / 1024 + " Kbytes\n");
System.out.println("*** Image test is succeeded :-) ***\n");
}
static void usage() {
System.out.println(
"usage: TestImage <path to unpacked quake2-pak file>");
System.exit(0);
}
void run() {
System.out.println("begin directory scanning ...");
scanDirectory(pakPath);
System.out.println(imageFiles.size() + " graphic files found\n");
ImageFrame frame = new ImageFrame(null);
frame.setVisible(true);
File f = null;
BufferedImage image = null;
for (Iterator it = imageFiles.iterator(); it.hasNext();) {
f = (File) it.next();
try {
image = scale(ImageIO.read(f));
frame.showImage(image);
frame.setTitle(f.getPath());
Thread.sleep(PAUSE);
} catch (IOException e) {
System.err.println(e.getMessage());
} catch (InterruptedException e) {
}
}
frame.dispose();
imageFiles.clear();
}
void scanDirectory(File dir) {
File[] files = dir.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
/* matches *.pcx or *.wal files */
return name.matches(".*(pcx|wal)$");
}
});
if (files != null && files.length > 0) {
imageFiles.addAll(Arrays.asList(files));
}
File[] dirs = dir.listFiles(new FileFilter() {
public boolean accept(File pathname) {
return pathname.isDirectory();
}
});
if (dirs != null && dirs.length > 0) {
for (int i = 0; i < dirs.length; i++) {
System.out.println(dirs[i]);
// recursive directory scanning
scanDirectory(dirs[i]);
}
}
}
BufferedImage scale(BufferedImage src) {
BufferedImage dst = null;
int size = Math.max(src.getHeight(), src.getWidth());
double scale = 1.5;
if (size < 50) {
scale = 4.0;
} else if (size < 200) {
scale = 2.5;
} else if (size > 400) {
scale = 1.5;
}
BufferedImageOp op =
new AffineTransformOp(
AffineTransform.getScaleInstance(scale, scale),
AffineTransformOp.TYPE_NEAREST_NEIGHBOR/*TYPE_BILINEAR*/);
dst = op.filter(src, null);
return (dst != null) ? dst : src;
}
}
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