Convertions

imagelab_electron/operations.js

@@ -21,6 +21,7 @@ const PROCESS_OPERATIONS = {
   EROSION: "filtering_erosion",
   DILATION: "filtering_dilation",
   MORPHOLOGICAL: "filtering_morphological",
+  COLORMAPS: "imageconvertions_colormaps",
 };
 
 module.exports = PROCESS_OPERATIONS;

imagelab_electron/src/controller/main.js

@@ -21,6 +21,7 @@ const AffineImage = require("../operator/geometric/AffineImage");
 const ReflectImage = require("../operator/geometric/ReflectImage");
 const RotateImage = require("../operator/geometric/RotateImage");
 const ScaleImage = require("../operator/geometric/ScaleImage");
+const ColorMaps = require("../operator/convertions/ColorMaps")
 
 class MainController {
   // This private field is used to store the applied operators in the workspace
@@ -209,6 +210,11 @@ class MainController {
           new Morphological(PROCESS_OPERATIONS.MORPHOLOGICAL, id)
         );
         break;
+      case PROCESS_OPERATIONS.COLORMAPS:
+        this.#appliedOperators.push(
+          new ColorMaps(PROCESS_OPERATIONS.COLORMAPS, id)
+        );
+        break;
       default:
         break;
     }

imagelab_electron/src/operator/convertions/ColorMaps.js

@@ -0,0 +1,67 @@
+const OpenCvOperator = require("../OpenCvOperator");
+
+/**
+ * This class contains the main logic to apply simple threshold
+ * to an image
+ */
+
+class ColorMaps extends OpenCvOperator {
+    #type = "HOT"
+    constructor(type, id) {
+        super(type, id);
+    }
+
+    setParams(type, value) {
+        if (type === "type") {
+            this.#type = value;
+        }
+    }
+
+
+    /**
+     *
+     * @param {Mat} image
+     * @returns
+     *
+     * This function processes simple threshold
+     * to the mat image
+     */
+    compute(image) {
+        const dst = new this.cv2.Mat();
+        switch (this.#type) {
+            case "AUTUMN":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_AUTUMN)
+                break;
+            case "HOT":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_HOT);
+                break;
+            case "BONE":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_BONE);
+                break;
+            case "COOL":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_COOL);
+                break;
+            case "HSV":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_HSV);
+                break;
+            case "JET":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_JET);
+                break;
+            case "OCEAN":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_OCEAN);
+                break;
+            case "PARULA":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_PARULA);
+                break;
+            case "PINK":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_PINK);
+                break;
+            case "RAINBOW":
+                this.cv2.applyColorMap(image, dst, this.cv2.COLORMAP_RAINBOW);
+                break;
+        }
+        return dst;
+    }
+}
+
+module.exports = ColorMaps;