Add colorscheme card/preview php page

ixs · ixs · commit 1ac49f468461 · 2025-08-05T00:32:23.000+02:00
diff --git a/colors.php b/colors.php
@@ -0,0 +1,50 @@
+<?php
+$colors = json_decode(file_get_contents('colors.json'), true);
+
+echo '<!DOCTYPE html><html><head><meta charset="utf-8">';
+echo '<style>
+        body {
+          font-family: sans-serif;
+          background: #f9f9f9;
+          color: #333;
+        }
+        table {
+          border-collapse: collapse;
+          margin: 1em 0;
+        }
+        td {
+          width: 36px;
+          height: 36px;
+          text-align: center;
+          vertical-align: middle;
+          font-family: sans-serif;
+          font-size: 1.1em;
+          font-weight: 700;
+          border: 1px solid #ccc;
+        }
+        h2 {
+          font-size: 1.3em;
+          font-weight: 700;
+          margin-top: 2em;
+        }
+      </style>';
+echo '</head><body>';
+
+echo '<h1>LTO Barcode Color Schemes</h1>';
+
+foreach ($colors as $paletteName => $palette) {
+    echo "<h2>Palette: " . htmlspecialchars($paletteName) . "</h2>";
+    echo "<table><tr>";
+
+    $textColor = (strtoupper($paletteName) === 'INV') ? '#fff' : '#000';
+
+    foreach ($palette as $char => $rgb) {
+        $bgColor = sprintf("rgb(%d,%d,%d)", $rgb[0], $rgb[1], $rgb[2]);
+        echo "<td style=\"background-color: $bgColor; color: $textColor;\">" . htmlspecialchars($char) . "</td>";
+    }
+
+    echo "</tr></table>";
+}
+
+echo '</body></html>';
+
