From c61bb864c026d26a393f2a09c82de9bbc5043c6f Mon Sep 17 00:00:00 2001
From: Christian C <cc@localhost>
Date: Tue, 4 Mar 2025 19:10:07 -0800
Subject: Modularization

---
 include/lib/algo/flood_fill.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 include/lib/algo/flood_fill.h

(limited to 'include/lib/algo/flood_fill.h')

diff --git a/include/lib/algo/flood_fill.h b/include/lib/algo/flood_fill.h
new file mode 100644
index 0000000..a48f4a1
--- /dev/null
+++ b/include/lib/algo/flood_fill.h
@@ -0,0 +1,20 @@
+#ifndef INC_LIB_ALGO_FLOOD_FILL_H
+#define INC_LIB_ALGO_FLOOD_FILL_H
+
+#include <lib/bool.h>
+#include <lib/color.h>
+#include <stddef.h>
+#include <stdint.h>
+
+//-----------------------------------------------
+// Flood
+// Floods a mask from a given set of image to determine the contiguous regions
+//  1. Check that the (x,y) is within the picture
+//  2. Check if the (x,y) coordinate in the mask is unused
+//  3. Check if the (x,y) coordinate in the image is non-background
+//  4. Check if the (x,y) coordinate in the image is the same color as the fill color
+//  5. If all hold, set the label for the pixel, and check each neighbor
+//     Otherwise, stop flooding
+bool_t flood(uint8_t* image, uint16_t* mask, size_t width, size_t height, size_t channels, size_t x, size_t y, uint8_t* fill_color, uint16_t label);
+
+#endif
-- 
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