From 8e0746ace8c76025faad3259a819d57610407bb8 Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Fri, 31 Aug 2012 21:13:57 +0200
Subject: [PATCH] made Font default constructible

---
 src/graphics/Font.cpp | 9 +++++++++
 src/graphics/Font.h   | 7 ++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/graphics/Font.cpp b/src/graphics/Font.cpp
index a118500..ca06a07 100644
--- a/src/graphics/Font.cpp
+++ b/src/graphics/Font.cpp
@@ -8,6 +8,7 @@
 #include "Font.h"
 
 #include <cmath>
+#include <iostream>
 
 using geometry::Vector;
 using std::pow;
@@ -15,12 +16,16 @@ using std::pow;
 namespace graphics {
 
 void Font::DrawChar(char c, SDL_Surface *dest, const Vector<int> &position) const {
+	if (!sprite) return;
+
 	int col(colOffset + (c % 0x10));
 	int row(rowOffset + (c / 0x10));
 	sprite->Draw(dest, position, col, row);
 }
 
 void Font::DrawString(const char *s, SDL_Surface *dest, const Vector<int> &positionIn, int maxChars) const {
+	if (!sprite) return;
+
 	Vector<int> position(positionIn);
 	Vector<int> step(CharWidth(), 0);
 	for (int i(0); s[i] && (maxChars <= 0 || i < maxChars); ++i, position += step) {
@@ -29,10 +34,14 @@ void Font::DrawString(const char *s, SDL_Surface *dest, const Vector<int> &posit
 }
 
 void Font::DrawDigit(int digit, SDL_Surface *dest, const Vector<int> &position) const {
+	if (!sprite) return;
+
 	DrawChar(digit + 0x30, dest, position);
 }
 
 void Font::DrawNumber(int numberIn, SDL_Surface *dest, const Vector<int> &positionIn, int digits) const {
+	if (!sprite) return;
+
 	int number(numberIn);
 	if (digits > 0 && numberIn >= pow(10.0, digits)) {
 		numberIn = pow(10.0, digits) - 1;
diff --git a/src/graphics/Font.h b/src/graphics/Font.h
index 8644802..571431d 100644
--- a/src/graphics/Font.h
+++ b/src/graphics/Font.h
@@ -18,7 +18,7 @@ namespace graphics {
 class Font {
 
 public:
-	explicit Font(const Sprite *sprite, int colOffset = 0, int rowOffset = 0)
+	explicit Font(const Sprite *sprite = 0, int colOffset = 0, int rowOffset = 0)
 	: sprite(sprite), colOffset(colOffset), rowOffset(rowOffset) {
 
 	}
@@ -31,6 +31,11 @@ public:
 	void DrawDigit(int d, SDL_Surface *dest, const geometry::Vector<int> &position) const;
 	void DrawNumber(int n, SDL_Surface *dest, const geometry::Vector<int> &position, int digits = 0) const;
 
+public:
+	void SetSprite(const Sprite *s) { sprite = s; }
+	void SetColOffset(int n) { colOffset = n; }
+	void SetRowOffset(int n) { rowOffset = n; }
+
 private:
 	const Sprite *sprite;
 	int colOffset;
-- 
2.39.2