From 0eaf0973d984515c542dda27d7b8d7b4a59f5405 Mon Sep 17 00:00:00 2001
From: Bob Polis <bob.polis@gmail.com>
Date: Sun, 28 Jan 2024 23:03:41 +0100
Subject: [PATCH] Uses true color detection from updated libscterm

---
 src/pixels.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/pixels.cpp b/src/pixels.cpp
index 7dda8ce..5e808c8 100644
--- a/src/pixels.cpp
+++ b/src/pixels.cpp
@@ -1,20 +1,16 @@
 #include <memory>
+#include <cmath>
 #include <libscterm.hpp>
 #include <netpbm/pam.h>
 #include "pixels.hpp"
 
 // truecolor to palette color (216-color)
 static inline int t2p(int val) {
-    return .5 + 5 * val / 255.0;
+    return round(5 * val / 255.0);
 }
 
 static void write(std::ostream& os, FILE* in) {
-    char* tc = getenv("COLORTERM");
-    std::string colorterm {tc ? tc : ""};
-    bool has_truecolor = colorterm.size() > 0;
-    if (has_truecolor) {
-        has_truecolor = colorterm == "truecolor" || colorterm == "24bit";
-    }
+    bool has_truecolor = sc::term::has_truecolor();
     struct pam info;
     pnm_readpaminit(in, &info, PAM_STRUCT_SIZE(tuple_type));
     std::unique_ptr<tuple, void(*)(void*)> row1 {pnm_allocpamrow(&info), pm_freerow};