remove dependency to com.google.zxing:javase

pom.xml

@@ -54,12 +54,6 @@
 			<artifactId>core</artifactId>
 			<version>3.5.2</version>
 		</dependency>
-		<!-- https://mvnrepository.com/artifact/com.google.zxing/javase -->
-		<dependency>
-			<groupId>com.google.zxing</groupId>
-			<artifactId>javase</artifactId>
-			<version>3.5.2</version>
-		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
 		<dependency>
 			<groupId>org.projectlombok</groupId>

src/kryptonbutterfly/totp/misc/ImageLuminanceSource.java

@@ -0,0 +1,71 @@
+package kryptonbutterfly.totp.misc;
+
+import static kryptonbutterfly.math.utils.range.Range.*;
+
+import java.awt.image.BufferedImage;
+
+import com.google.zxing.LuminanceSource;
+
+import kryptonbutterfly.math.utils.limit.LimitInt;
+
+public final class ImageLuminanceSource extends LuminanceSource
+{
+	private final BufferedImage image;
+
+	public ImageLuminanceSource(BufferedImage image)
+	{
+		this(image, image.getWidth(), image.getHeight());
+	}
+
+	public ImageLuminanceSource(BufferedImage image, int width, int height)
+	{
+		super(width, height);
+		if (image.getType() == BufferedImage.TYPE_BYTE_GRAY)
+			this.image = image;
+		else
+		{
+			this.image = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
+
+			for (final int y : range(height))
+				for (final int x : range(width))
+					this.image.setRGB(x, y, toLuminance(image.getRGB(x, y)));
+		}
+	}
+
+	private static final int toLuminance(int argb)
+	{
+		final int alpha = (argb >>> 24) & 0xFF;
+		if (alpha == 0)
+			return 0xFF;
+
+		final int	red		= (argb >> 16) & 0xFF;
+		final int	green	= (argb >> 8) & 0xFF;
+		final int	blue	= argb & 0xFF;
+		return (306 * red + 601 * green + 117 * blue + 0x200) >> 10;
+	}
+
+	@Override
+	public byte[] getRow(int y, byte[] row)
+	{
+		if (LimitInt.inRange(0, y, getHeight() - 1))
+			throw new IllegalArgumentException("Requested row is outside the image: " + y);
+
+		final int width = getWidth();
+
+		if (row == null || row.length < width)
+			row = new byte[width];
+		image.getRaster().getDataElements(0, y, width, 1, row);
+
+		return row;
+	}
+
+	@Override
+	public byte[] getMatrix()
+	{
+		final int	width	= getWidth();
+		final int	height	= getHeight();
+		final var	matrix	= new byte[width * height];
+		image.getRaster().getDataElements(0, 0, width, height, matrix);
+		return matrix;
+	}
+}

src/kryptonbutterfly/totp/ui/qrimport/BL.java

@@ -18,12 +18,12 @@
 import com.google.zxing.DecodeHintType;
 import com.google.zxing.FormatException;
 import com.google.zxing.NotFoundException;
-import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
 import com.google.zxing.common.HybridBinarizer;
 import com.google.zxing.qrcode.QRCodeReader;
 
 import kryptonbutterfly.monads.opt.Opt;
 import kryptonbutterfly.totp.TinyTotp;
+import kryptonbutterfly.totp.misc.ImageLuminanceSource;
 import kryptonbutterfly.util.swing.Logic;
 import kryptonbutterfly.util.swing.events.GuiCloseEvent;
 import kryptonbutterfly.util.swing.events.GuiCloseEvent.Result;
@@ -136,7 +136,7 @@ private String decode(BufferedImage image)
 		ChecksumException,
 		FormatException
 	{
-		final var	bitmap	= new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));
+		final var	bitmap	= new BinaryBitmap(new HybridBinarizer(new ImageLuminanceSource(image)));
 		final var	res		= new QRCodeReader().decode(bitmap, HINTS);
 		return res.getText();
 	}

src/module-info.java

@@ -17,5 +17,4 @@
 	requires lombok;
 	requires webcam.capture;
 	requires com.google.zxing;
-	requires com.google.zxing.javase;
 }