+ [task#127424] add findRegions function.

2024-09-05 16:39:53 +08:00
parent 086de2bf5b
commit e963f96de7
1 changed files with 20 additions and 0 deletions
@@ -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;
+}