mirror camera capture image

kryptonbutterfly · Jan 24, 2024 · 06a0426 · 06a0426
1 parent f8c5cfb
commit 06a0426
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/src/kryptonbutterfly/totp/misc/Utils.java b/src/kryptonbutterfly/totp/misc/Utils.java
@@ -1,5 +1,7 @@
 package kryptonbutterfly.totp.misc;
 
+import static kryptonbutterfly.math.utils.range.Range.*;
+
 import java.awt.Color;
 import java.awt.geom.AffineTransform;
 import java.awt.image.AffineTransformOp;
@@ -55,4 +57,17 @@ private static BufferedImage scale(float factor, BufferedImage rawImage)
 		return new AffineTransformOp(transform, AffineTransformOp.TYPE_BICUBIC)
 			.filter(rawImage, null);
 	}
+
+	public static final BufferedImage mirror(BufferedImage src)
+	{
+		final int	width	= src.getWidth();
+		final int	height	= src.getHeight();
+		final var	result	= new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
+
+		for (final int y : range(height))
+			for (final int x : range(width))
+				result.setRGB(width - x - 1, y, src.getRGB(x, y));
+
+		return result;
+	}
 }
diff --git a/src/kryptonbutterfly/totp/ui/qrimport/BL.java b/src/kryptonbutterfly/totp/ui/qrimport/BL.java
@@ -24,6 +24,7 @@
 import kryptonbutterfly.monads.opt.Opt;
 import kryptonbutterfly.totp.TinyTotp;
 import kryptonbutterfly.totp.misc.ImageLuminanceSource;
+import kryptonbutterfly.totp.misc.Utils;
 import kryptonbutterfly.util.swing.Logic;
 import kryptonbutterfly.util.swing.events.GuiCloseEvent;
 import kryptonbutterfly.util.swing.events.GuiCloseEvent.Result;
@@ -114,7 +115,7 @@ private void scan(QrGui gui)
 				webcam.open();
 
 			final var image = webcam.getImage();
-			gui.cameraDisplay.setIcon(new ImageIcon(image));
+			gui.cameraDisplay.setIcon(new ImageIcon(Utils.mirror(image)));
 			final var result = decode(image);
 
 			keepScanning = false;