From e963f96de7f3db7629bb35f5cd84dcab43740677 Mon Sep 17 00:00:00 2001
From: wangzemei <wangzemei@easycorp.ltd>
Date: Thu, 5 Sep 2024 16:04:25 +0800
Subject: [PATCH] + [task#127424] add findRegions function.

---
 lib/zin/wg/think3c/js/v1.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/zin/wg/think3c/js/v1.js b/lib/zin/wg/think3c/js/v1.js
index 33dec1441c..7f606d0376 100644
--- a/lib/zin/wg/think3c/js/v1.js
+++ b/lib/zin/wg/think3c/js/v1.js
@@ -128,3 +128,23 @@ function getRegionInfo(pixels, visited, x, y, width, height)
 
     return region;
 }
+
+function findRegions(pixels, width, height)
+{
+    const visited = {};
+    const regions = [];
+    for(let y = 0; y < height; y++)
+    {
+        for(let x = 0; x < width; x++)
+        {
+            const index = (y * width * 4) + (x * 4);
+            if(pixels[index] === 255 && !visited[y + ',' + x])
+            {
+                const region = getRegionInfo(pixels, visited, x, y, width, height);
+                regions.push(region);
+            }
+        }
+    }
+
+    return regions;
+}