From 2590fad63e8a2013c1a169c77f21931bc19f2f25 Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Thu, 29 Nov 2012 15:23:55 +0100
Subject: [PATCH] added string dimensions calculation functions

---
 src/graphics/Font.cpp | 29 +++++++++++++++++++++++++++++
 src/graphics/Font.h   |  3 +++
 2 files changed, 32 insertions(+)

diff --git a/src/graphics/Font.cpp b/src/graphics/Font.cpp
index 94d451a..42772b2 100644
--- a/src/graphics/Font.cpp
+++ b/src/graphics/Font.cpp
@@ -21,6 +21,35 @@ using std::pow;
 
 namespace graphics {
 
+int Font::StringWidth(const char *s) const {
+	int width(0), col(0);
+	for (int i(0); s[i]; ++i) {
+		if (s[i] == '\n') {
+			if (width < col) {
+				width = col;
+			}
+			col = 0;
+		} else {
+			++col;
+		}
+	}
+	return (width < col ? col : width) * CharWidth();
+}
+
+int Font::StringHeight(const char *s) const {
+	if (*s == '\0') {
+		return 0;
+	}
+	int height(1);
+	for (; *s; ++s) {
+		if (*s == '\n') {
+			++height;
+		}
+	}
+	return height * CharHeight();
+}
+
+
 void Font::DrawChar(char c, SDL_Surface *dest, const Vector<int> &position) const {
 	if (!sprite) return;
 
diff --git a/src/graphics/Font.h b/src/graphics/Font.h
index 6a8a5c2..a5d7b12 100644
--- a/src/graphics/Font.h
+++ b/src/graphics/Font.h
@@ -29,6 +29,9 @@ public:
 public:
 	int CharWidth() const { return sprite->Width(); }
 	int CharHeight() const { return sprite->Height(); }
+	int StringWidth(const char *) const;
+	int StringHeight(const char *) const;
+
 	void DrawChar(char c, SDL_Surface *dest, const geometry::Vector<int> &position) const;
 	void DrawString(const char *s, SDL_Surface *dest, const geometry::Vector<int> &position, int maxWidth = 0) const;
 	void DrawStringRight(const char *s, SDL_Surface *dest, const geometry::Vector<int> &position, int maxWidth = 0) const;
-- 
2.39.2