From: Lukas Jiriste <ljiriste@student.42prague.com>
Date: Sat, 18 Jan 2025 14:56:04 +0000 (+0100)
Subject: Add clamping to color from input file
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;p=42%2FminiRT.git

Add clamping to color from input file
---

diff --git a/src/parse_small.c b/src/parse_small.c
index 65dee7f..f4b99c2 100644
--- a/src/parse_small.c
+++ b/src/parse_small.c
@@ -6,7 +6,7 @@
 /*   By: ljiriste <ljiriste@student.42prague.com>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/01/14 15:04:18 by ljiriste          #+#    #+#             */
-/*   Updated: 2025/01/14 15:13:05 by ljiriste         ###   ########.fr       */
+/*   Updated: 2025/01/18 15:54:27 by ljiriste         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -45,17 +45,27 @@ double	node_to_double(const t_parse_tree_node *double_node)
 	return (sign * (whole + decimal));
 }
 
+static char	clamp_itoc(int a)
+{
+	if (a < 0)
+		return (0);
+	else if (a > 255)
+		return ((unsigned char)255);
+	else
+		return (a);
+}
+
 t_color	node_to_linear_rgb(const t_parse_tree_node *rgb_node)
 {
 	const t_parse_tree_node	*int_node;
 	t_color_srgb			color;
 
 	int_node = ft_cget_node_child(rgb_node, 0);
-	color.r = node_to_int(int_node);
+	color.r = clamp_itoc(node_to_int(int_node));
 	int_node = ft_cget_node_child(rgb_node, 2);
-	color.g = node_to_int(int_node);
+	color.g = clamp_itoc(node_to_int(int_node));
 	int_node = ft_cget_node_child(rgb_node, 4);
-	color.b = node_to_int(int_node);
+	color.b = clamp_itoc(node_to_int(int_node));
 	return (color_srgb_to_lin(color));
 }