From 63b51efa6142800df5c87721ccc72a2ef2c771ce Mon Sep 17 00:00:00 2001
From: "ekaterina.itsenko" <ekaterina.itsenko@jetbrains.com>
Date: Tue, 6 May 2025 12:12:49 +0000
Subject: [PATCH] [pycharm] PY-80835 Debugger: add cursor position + pixel
 value as text label

Merge-request: IJ-MR-162076
Merged-by: Ekaterina Itsenko <ekaterina.itsenko@jetbrains.com>
(cherry picked from commit 6a6fbbcb1d823041f9c2c3e62d6b98728b5cac3e)

GitOrigin-RevId: f9be66fa39892b081dd08c26edcbc5daa6111db7
---
 .../messages/ImagesBundle.properties          |  4 +-
 .../images/editor/impl/ImageEditorUI.java     | 50 +++++++++++++++++--
 .../scientific/utils/ScientificUtils.kt       |  3 +-
 3 files changed, 52 insertions(+), 5 deletions(-)

diff --git a/images/resources/messages/ImagesBundle.properties b/images/resources/messages/ImagesBundle.properties
index 2d33c0c4913f..7d133c0f190c 100644
--- a/images/resources/messages/ImagesBundle.properties
+++ b/images/resources/messages/ImagesBundle.properties
@@ -98,4 +98,6 @@ image.binarize.dialog.title=Set Binarization Threshold
 image.channels.mode.channel.1=Channel 1
 image.channels.mode.channel.2=Channel 2
 image.channels.mode.channel.3=Channel 3
-image.color.mode.configure.actions=Binarization\u2026
\ No newline at end of file
+image.color.mode.configure.actions=Binarization\u2026
+scientific.cursor.position=(x = {0}, y = {1});
+scientific.pixel.value=value = ({0}, {1}, {2})
\ No newline at end of file
diff --git a/images/src/org/intellij/images/editor/impl/ImageEditorUI.java b/images/src/org/intellij/images/editor/impl/ImageEditorUI.java
index b7a12a7a420d..b030c980721a 100644
--- a/images/src/org/intellij/images/editor/impl/ImageEditorUI.java
+++ b/images/src/org/intellij/images/editor/impl/ImageEditorUI.java
@@ -57,6 +57,7 @@ import org.intellij.images.thumbnail.actionSystem.ThumbnailViewActions;
 import org.intellij.images.thumbnail.actions.ShowBorderAction;
 import org.intellij.images.ui.ImageComponent;
 import org.intellij.images.ui.ImageComponentDecorator;
+import org.intellij.images.scientific.utils.ScientificUtils;
 import org.intellij.images.vfs.IfsUtil;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NonNls;
@@ -174,15 +175,58 @@ public final class ImageEditorUI extends JPanel implements UiDataProvider, CopyP
     contentPanel.add(errorPanel, ERROR_PANEL);
 
     JPanel topPanel = new NonOpaquePanel(new BorderLayout());
+    JPanel bottomPanel = new NonOpaquePanel(new BorderLayout());
+
+    infoLabel = new JLabel((String)null, SwingConstants.RIGHT);
+    infoLabel.setBorder(JBUI.Borders.emptyRight(2));
+
+    boolean isScientificMode = editor != null && editor.getFile().getUserData(ScientificUtils.SCIENTIFIC_MODE_KEY) != null;
     if (!isEmbedded) {
       topPanel.add(toolbarPanel, BorderLayout.WEST);
-      infoLabel = new JLabel((String)null, SwingConstants.RIGHT);
-      infoLabel.setBorder(JBUI.Borders.emptyRight(2));
-      topPanel.add(infoLabel, BorderLayout.EAST);
+      if (isScientificMode) {
+        JPanel scientificInfoPanel = new NonOpaquePanel(new FlowLayout(FlowLayout.LEFT, 2, 0));
+        JLabel positionLabel = new JLabel(ImagesBundle.message("scientific.cursor.position", 0, 0));
+        JLabel valueLabel = new JLabel(ImagesBundle.message("scientific.pixel.value", 0, 0, 0));
+        scientificInfoPanel.add(positionLabel);
+        scientificInfoPanel.add(valueLabel);
+
+        imageComponent.addMouseMotionListener(new MouseMotionAdapter() {
+          @Override
+          public void mouseMoved(MouseEvent e) {
+            BufferedImage image = imageComponent.getDocument().getValue();
+            if (image != null) {
+              double zoom = imageComponent.getZoomFactor();
+
+              int x = (int)((e.getX() - ImageComponent.IMAGE_INSETS) / zoom);
+              int y = (int)((e.getY() - ImageComponent.IMAGE_INSETS) / zoom);
+
+              if (x >= 0 && x < image.getWidth() && y >= 0 && y < image.getHeight()) {
+                int pixel = image.getRGB(x, y);
+                int r = (pixel >> 16) & 0xFF;
+                int g = (pixel >> 8) & 0xFF;
+                int b = pixel & 0xFF;
+                positionLabel.setText(ImagesBundle.message("scientific.cursor.position", x, y));
+                valueLabel.setText(ImagesBundle.message("scientific.pixel.value", r, g, b));
+              }
+              else {
+                positionLabel.setText(ImagesBundle.message("scientific.cursor.position", 0, 0));
+                valueLabel.setText(ImagesBundle.message("scientific.pixel.value", 0, 0, 0));
+              }
+            }
+          }
+        });
+
+        bottomPanel.add(scientificInfoPanel, BorderLayout.WEST);
+        bottomPanel.add(infoLabel, BorderLayout.EAST);
+      }
+      else {
+        topPanel.add(infoLabel, BorderLayout.EAST);
+      }
     }
 
     add(topPanel, BorderLayout.NORTH);
     add(contentPanel, BorderLayout.CENTER);
+    add(bottomPanel, BorderLayout.SOUTH);
 
     myScrollPane.addComponentListener(new ComponentAdapter() {
       @Override
diff --git a/images/src/org/intellij/images/scientific/utils/ScientificUtils.kt b/images/src/org/intellij/images/scientific/utils/ScientificUtils.kt
index 8a364957a026..c28f98315bd5 100644
--- a/images/src/org/intellij/images/scientific/utils/ScientificUtils.kt
+++ b/images/src/org/intellij/images/scientific/utils/ScientificUtils.kt
@@ -14,7 +14,8 @@ import java.awt.geom.AffineTransform
 
 
 object ScientificUtils {
-  val SCIENTIFIC_MODE_KEY: Key<Unit> = Key<Unit>("SCIENTIFIC_MODE")
+  @JvmField
+  var SCIENTIFIC_MODE_KEY: Key<Unit> = Key<Unit>("SCIENTIFIC_MODE")
   val ORIGINAL_IMAGE_KEY: Key<BufferedImage> = Key("ORIGINAL_IMAGE")
   val ROTATION_ANGLE_KEY: Key<Int> = Key.create("IMAGE_ROTATION_ANGLE")
   const val DEFAULT_IMAGE_FORMAT: String = "png"