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Minor code tweaks

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git-svn-id: https://zxing.googlecode.com/svn/trunk@43 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2007-11-15 20:26:23 +00:00
parent e66596aac3
commit c21de5bf5d
1 changed files with 22 additions and 18 deletions
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40
javase/src/com/google/zxing/client/j2se/ImageConverter.java
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@ -16,6 +16,8 @@
package com.google.zxing.client.j2se; package com.google.zxing.client.j2se;
import com.google.zxing.MonochromeBitmapSource;
import javax.imageio.ImageIO; import javax.imageio.ImageIO;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
import java.io.File; import java.io.File;
@ -33,52 +35,52 @@ import java.net.URI;
public final class ImageConverter { public final class ImageConverter {
private static final String FORMAT = "gif"; private static final String FORMAT = "gif";
private static final int WHITE = 0xFFFFFFFF;
private static final int BLACK = 0x000000FF;
private ImageConverter() { private ImageConverter() {
} }
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
for (int i = 0; i < args.length; i++) { for (String arg : args) {
File inputFile = new File(args[i]); File inputFile = new File(arg);
if (inputFile.exists()) { if (inputFile.exists()) {
if (inputFile.isDirectory()) { if (inputFile.isDirectory()) {
int count = 0; int count = 0;
for (File input : inputFile.listFiles()) { for (File input : inputFile.listFiles()) {
convertImage(input.toURI(), count++); convertImage(input.toURI());
} }
} else { } else {
convertImage(inputFile.toURI(), 0); convertImage(inputFile.toURI());
} }
} else { } else {
convertImage(new URI(args[i]), 0); convertImage(new URI(arg));
} }
} }
} }
private static void convertImage(URI uri, int count) throws IOException { private static void convertImage(URI uri) throws IOException {
BufferedImage image = ImageIO.read(uri.toURL()); BufferedImage image = ImageIO.read(uri.toURL());
BufferedImageMonochromeBitmapSource src = new BufferedImageMonochromeBitmapSource(image); MonochromeBitmapSource src = new BufferedImageMonochromeBitmapSource(image);
int width = src.getWidth(); int width = src.getWidth();
int height = src.getHeight(); int height = src.getHeight();
BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY); BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY);
int white = 0xFFFFFFFF;
int black = 0x000000FF;
for (int i = 0; i < width; i++) { for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) { for (int j = 0; j < height; j++) {
result.setRGB(i, j, src.isBlack(i,j) ? black : white); result.setRGB(i, j, src.isBlack(i,j) ? BLACK : WHITE);
} }
} }
File output = getOutput(uri, count); File output = getOutput(uri);
System.out.printf("Writing output to %s\n", output); System.out.printf("Writing output to %s\n", output);
ImageIO.write(result, FORMAT, output); ImageIO.write(result, FORMAT, output);
} }
private static File getFileOfUri(URI uri) { private static File getFileOfUri(URI uri) {
String name = uri.getPath(); String name = uri.getPath();
int slashPos = name.lastIndexOf('/'); int slashPos = name.lastIndexOf((int) '/');
String parent, basename; String parent, basename;
if (slashPos != -1 && slashPos != name.length()-1) { if (slashPos != -1 && slashPos != name.length()-1) {
parent = name.substring(0, slashPos); parent = name.substring(0, slashPos);
@ -88,26 +90,28 @@ public final class ImageConverter {
basename = name; basename = name;
} }
File parentFile = new File(parent); File parentFile = new File(parent);
if (!parentFile.exists()) if (!parentFile.exists()) {
return null; return null;
}
File baseFile = new File(parent,basename); File baseFile = new File(parent,basename);
if (!baseFile.exists()) if (!baseFile.exists()) {
return null; return null;
}
return baseFile; return baseFile;
} }
private static File getOutput(URI uri) {
private static File getOutput(URI uri, int count) {
File result = getFileOfUri(uri); File result = getFileOfUri(uri);
if (result == null) { if (result == null) {
result = new File("ConvertedImage." + FORMAT); result = new File("ConvertedImage." + FORMAT);
} else { } else {
String name = result.getPath(); String name = result.getPath();
int dotpos = name.lastIndexOf('.'); int dotpos = name.lastIndexOf((int) '.');
if (dotpos != -1) if (dotpos != -1) {
name = name.substring(0, dotpos); name = name.substring(0, dotpos);
}
result = new File(name + "_converted." + FORMAT); result = new File(name + "_converted." + FORMAT);
} }
return result; return result;