feat(Image): Fix conflicts per #28.

Specifically 3c22027, 55fdda7...e6c898e.
randytarampi · Apr 27, 2020 · 7cd33d5 · 7cd33d5
1 parent 02df8f6
commit 7cd33d5
Showing 1 changed file with 43 additions and 1 deletion.
diff --git a/lib/Image.js b/lib/Image.js
@@ -34,7 +34,8 @@ const judges = {
     toBuffer: decree(defs.args.toBuffer),
     writeFile: decree(defs.args.writeFile),
     setPixel: decree(defs.args.setPixel),
-    getPixel: decree(defs.args.getPixel)
+    getPixel: decree(defs.args.getPixel),
+    dominantColor: decree(defs.args.dominantColor)
 };
 
 module.exports = class Image {
@@ -82,6 +83,47 @@ module.exports = class Image {
         };
     }
 
+    dominantColor () {
+        let dominantColor;
+        judges.dominantColor(
+            arguments,
+            skips => {
+                if (typeof skips !== 'number' || skips < 0 || parseInt(skips,10) !== skips) {
+                    throw Error('Pass a positive integer argument for number of pixels to skip over each iteration');
+                }
+
+                const colorCounter = {};
+                for (let i = 0; i < this.width(); i++) {
+                    for (let j = 0; j < this.height(); j+= skips+1) {
+                        const pixel = this.__lwip.getPixel(i,j),
+                            pixelColor = pixel[0].toString()+','+pixel[1].toString()+','+pixel[2].toString()+','+pixel[3].toString(),
+                            occurence = colorCounter[pixelColor];
+                        if (occurence === undefined) colorCounter[pixelColor] = 1;
+                        else colorCounter[pixelColor]++;
+                    }
+                }
+
+                let the_key = '0,0,0,0',
+                    count = 0;
+                for (let key in colorCounter) {
+                    if (colorCounter[key] > count) {
+                        the_key = key;
+                        count = colorCounter[key];
+                    }
+                }
+                the_key = the_key.split(',');
+
+                dominantColor = {
+                    r: parseInt(the_key[0],10),
+                    g: parseInt(the_key[1],10),
+                    b: parseInt(the_key[2],10),
+                    a: parseInt(the_key[3],10)
+                };
+            }
+        );
+        return dominantColor;
+    }
+
     getPixel () {
         const args = judges.getPixel(arguments),
             left = args[0],