From ebdc773247fb1e6a41f58ee8336986dcdc8e75d6 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 3 Apr 2016 18:10:25 -0400
Subject: TITANIC: Implement font loading

---
 engines/titanic/support/font.cpp | 22 ++++++++++++++++++++++
 engines/titanic/support/font.h   |  7 ++++++-
 2 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'engines/titanic')

diff --git a/engines/titanic/support/font.cpp b/engines/titanic/support/font.cpp
index 3b48e5e301..6636a84f22 100644
--- a/engines/titanic/support/font.cpp
+++ b/engines/titanic/support/font.cpp
@@ -66,4 +66,26 @@ void STFont::writeString(int maxWidth, const CString &text, int *v1, int *v2) {
 	warning("TODO: STFont::writeString");
 }
 
+int STFont::stringWidth(const CString &text) const {
+	if (text.empty())
+		return 0;
+
+	const char *srcP = text.c_str();
+	int total = 0;
+	char c;
+	while (c = *srcP++) {
+		if (c == 26) {
+			// Skip over command parameter bytes
+			srcP += 3;
+		} else if (c == 27) {
+			// Skip over command parameter bytes
+			srcP += 4;
+		} else if (c != '\n') {
+			total += _chars[c]._charWidth;
+		}
+	}
+
+	return total;
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/support/font.h b/engines/titanic/support/font.h
index 0fff5125df..c41f4dc1e0 100644
--- a/engines/titanic/support/font.h
+++ b/engines/titanic/support/font.h
@@ -39,7 +39,7 @@ public:
 	size_t _dataSize;
 	int _field8;
 	int _maxCharWidth;
-	Common::Array<CharEntry> _chars;
+	CharEntry _chars[256];
 	int _field810;
 	int _field814;
 	int _field818;
@@ -52,6 +52,11 @@ public:
 	 */
 	void load(int fontNumber);
 
+	/**
+	 * Return the width in pixels of the specified text
+	 */
+	int stringWidth(const CString &text) const;
+
 	/**
 	 * Write out a string
 	 * TODO: Verify this
-- 
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