From fbf131b5c043b27e0b1543374bb144e3e426f723 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <=>
Date: Sun, 16 Jul 2023 02:54:32 -0400
Subject: initial

---
 kernel/src/tty/color.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 kernel/src/tty/color.c

(limited to 'kernel/src/tty/color.c')

diff --git a/kernel/src/tty/color.c b/kernel/src/tty/color.c
new file mode 100644
index 0000000..c7258d9
--- /dev/null
+++ b/kernel/src/tty/color.c
@@ -0,0 +1,67 @@
+#include "color.h"
+#include "panic.h"
+
+bool itoac(int i, enum AnsiiColor *color) {
+    if (i < 0 || i > 15) return false;
+    *color = i;
+    return true;
+}
+
+bool itovc(int i, enum VGAColor *color) {
+    if (
+        (i >= 30 && i <= 37) ||
+        (i >= 40 && i <= 47) ||
+        (i >= 90 && i <= 97) ||
+        (i >= 100 && i <= 107)
+    ) {
+        *color = i;
+        return true;
+    }
+    return false;
+}
+
+enum VGAColor atovc(enum AnsiiColor color) {
+    switch(color) {
+        case ANSII_FRONT_BLACK:
+        case ANSII_FRONT_BLACK_EMPH:
+        case ANSII_BACK_BLACK:
+        case ANSII_BACK_BLACK_EMPH:
+            return VGA_BLACK;
+        case ANSII_FRONT_RED:
+        case ANSII_FRONT_RED_EMPH:
+        case ANSII_BACK_RED:
+        case ANSII_BACK_RED_EMPH:
+            return VGA_LIGHT_RED;
+        case ANSII_FRONT_GREEN:
+        case ANSII_FRONT_GREEN_EMPH:
+        case ANSII_BACK_GREEN:
+        case ANSII_BACK_GREEN_EMPH:
+            return VGA_LIGHT_GREEN;
+        case ANSII_FRONT_YELLOW:
+        case ANSII_FRONT_YELLOW_EMPH:
+        case ANSII_BACK_YELLOW:
+        case ANSII_BACK_YELLOW_EMPH:
+            return VGA_LIGHT_BROWN; 
+        case ANSII_FRONT_BLUE:
+        case ANSII_FRONT_BLUE_EMPH:
+        case ANSII_BACK_BLUE:
+        case ANSII_BACK_BLUE_EMPH:
+            return VGA_LIGHT_BLUE;
+        case ANSII_FRONT_PURPLE:
+        case ANSII_FRONT_PURPLE_EMPH:
+        case ANSII_BACK_PURPLE:
+        case ANSII_BACK_PURPLE_EMPH:
+            return VGA_LIGHT_MAGENTA;
+        case ANSII_FRONT_CYAN:
+        case ANSII_FRONT_CYAN_EMPH:
+        case ANSII_BACK_CYAN:
+        case ANSII_BACK_CYAN_EMPH:
+            return VGA_LIGHT_CYAN;
+        case ANSII_FRONT_WHITE:
+        case ANSII_FRONT_WHITE_EMPH:
+        case ANSII_BACK_WHITE:
+        case ANSII_BACK_WHITE_EMPH:
+            return VGA_WHITE;
+    }
+    panic("this should not be reached (make gcc quiet)");
+}
-- 
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