+ [task#127424] set rows info for color of getRegionInfo function.

2024-09-05 16:39:53 +08:00
parent 33d8cbb93d
commit 086de2bf5b
1 changed files with 14 additions and 0 deletions
@@ -109,6 +109,20 @@ function getRegionInfo(pixels, visited, x, y, width, height)
        {
            visited[currentY + ',' + currentX] = true;
            region.area++;
+
+            /* 将rows[currentY] 设为一个数组，以便存储多个区域段。*/
+            /* Set rows [CurrentY] as an array to store multiple regional segments. */
+            if(!region.rows[currentY]) region.rows[currentY] = [];
+            region.rows[currentY].push({ left: Infinity, right: -Infinity });
+            let currentRow = region.rows[currentY][region.rows[currentY].length - 1];
+            currentRow.left = Math.min(currentRow.left, currentX);
+            currentRow.right = Math.max(currentRow.right, currentX);
+            if(currentRow.top === undefined) currentRow.top = currentY;
+
+            if (currentX > 0) stack.push([currentX - 1, currentY]);
+            if (currentX < width - 1) stack.push([currentX + 1, currentY]);
+            if (currentY > 0) stack.push([currentX, currentY - 1]);
+            if (currentY < height - 1) stack.push([currentX, currentY + 1]);
        }
    }