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

---
 src/lib/color.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/lib/color.c

(limited to 'src/lib/color.c')

diff --git a/src/lib/color.c b/src/lib/color.c
new file mode 100644
index 0000000..035a3e9
--- /dev/null
+++ b/src/lib/color.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <lib/color.h>
+#include <lib/bool.h>
+
+//-----------------------------------------------
+// Color Equal to Background
+// Background: zeros in RGB, alpha can be whatever
+bool_t color_zero(uint8_t* color1, size_t channels) {
+  for (size_t idx = 0; idx < channels; idx++) {
+    if (idx == 3) {
+      break;
+    }
+    if (color1[idx] != 0) {
+      return FALSE;
+    }
+  }
+  return TRUE;
+}
+
+//-----------------------------------------------
+// Color Equality
+// Determine if two colors are identical
+bool_t color_equal(uint8_t* color1, uint8_t* color2, size_t channels) {
+  for (size_t idx = 0; idx < channels; idx++) {
+    if (color1[idx] != color2[idx]) {
+      return FALSE;
+    }
+  }
+  return TRUE;
+}
+
+//-----------------------------------------------
+// Print out the `channels` length color vector
+void print_color(uint8_t* color, size_t channels) {
+  for (size_t index = 0; index < channels; index++) {
+    printf("%hhu ", color[index]);
+  }
+  printf("\n");
+}
-- 
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