1 files changed, 60 insertions, 0 deletions
diff --git a/include/prelude.php b/include/prelude.php
new file mode 100644
index 0000000..e782a48
--- /dev/null
+++ b/include/prelude.php
@@ -0,0 +1,60 @@
+<?php
+	function readConfig($key) {
+		if (isset($_GET[$key])) {
+			return htmlspecialchars($_GET[$key], ENT_SUBSTITUTE, "UTF-8");
+		} else {
+			return null;
+		}
+	}
+
+	function pageColours($page) {
+		return match ($page) {
+			"achernar"   => ["#007B34", "#FFFFFF"],
+			"agbsum"     => ["#422984", "#FFFFFF"],
+			"ax"         => ["#422984", "#FFFFFF"],
+			"backspace"  => ["#000000", "#FFFFFF"],
+			"benoit"     => ["#BA0035", "#FFFFFF"],
+			"bowshock"   => ["#B61833", "#FFEEE0"],
+			"bzipper"    => ["#FFFFFF", "#B4202D"],
+			"deltaWorld" => ["#000000", "#FFFFFF"],
+			"dux"        => ["#131313", "#06FBB2"],
+			"eas"        => ["#01CD93", "#00291B"],
+			"luma"       => ["#6051B2", "#FFFFFF"],
+			"pollex"     => ["#4D4084", "#FFFFFF"],
+			"u8c"        => ["#444747", "#A9E13D"],
+			default      => die(),
+		};
+	}
+
+	function pageBackgroundImage($page) {
+		return match ($page) {
+			"benoit" => "/svg/benoitBackground.svg",
+			"dux"    => "/image/duxBackground.webp",
+			default  => null,
+		};
+	}
+
+	function pageGlyph($page) {
+		return "/svg/glyph/" . $page . ".svg";
+	}
+
+	function addHeading($title, $anchor) {
+		$anchor = "anchor." . $anchor;
+
+		echo "<h1 id=\"$anchor\"><a class=\"anchor\" href=\"#$anchor\" title=\"Anchor\"></a> $title</h1>";
+	}
+
+	function addImage($image, $alt) {
+		$sourceAddr    = "/image/source/" . $image . ".webp";
+		$thumbnailAddr = "/image/thumbnail/" . $image . ".avif";
+
+		echo <<<HTML
+			<div class="image">
+				<img class="blur" src="$thumbnailAddr">
+				<a href="$sourceAddr" rel="noopener noreferrer" target="_blank" title="Click to view image source.">
+					<img alt="$alt" src="$thumbnailAddr">
+				</a>
+			</div>
+		HTML;
+	}
+?>