From f6d399c08f0878459bcd1c6b3f4958f300243a71 Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Fri, 31 Aug 2012 21:52:33 +0200
Subject: [PATCH] made Gauge default constructible

---
 src/graphics/Gauge.cpp | 36 ++++++++++++++++++++++++------------
 src/graphics/Gauge.h   | 19 +++++++++++++------
 2 files changed, 37 insertions(+), 18 deletions(-)

diff --git a/src/graphics/Gauge.cpp b/src/graphics/Gauge.cpp
index eda9942..0d72ac0 100644
--- a/src/graphics/Gauge.cpp
+++ b/src/graphics/Gauge.cpp
@@ -17,6 +17,18 @@ void Gauge::Draw(SDL_Surface *dest, const Vector<int> &position, int width, Uint
 	int filledWidth = fill * (width - startWidth - endWidth) / 255;
 	int emptyWidth = (255 - fill) * (width - startWidth - endWidth) / 255;
 
+	if (!surface) {
+		destRect.x = position.X();
+		destRect.y = position.Y();
+		destRect.w = filledWidth + startWidth;
+		destRect.h = height;
+		SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0xFF, 0x00));
+		destRect.x += destRect.w;
+		destRect.w = emptyWidth + endWidth;
+		SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
+		return;
+	}
+
 	// start
 	srcRect.w = startWidth;
 	srcRect.h = height;
@@ -24,28 +36,28 @@ void Gauge::Draw(SDL_Surface *dest, const Vector<int> &position, int width, Uint
 	destRect.y = position.Y();
 	// full part
 	if (fill == 0) {
-		srcRect.x = emptyX;
-		srcRect.y = emptyY;
+		srcRect.x = emptyOffset.X();
+		srcRect.y = emptyOffset.Y();
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 	} else {
-		srcRect.x = fullX;
-		srcRect.y = fullY;
+		srcRect.x = fullOffset.X();
+		srcRect.y = fullOffset.Y();
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 	}
 
 	destRect.x = position.X() + startWidth;
 
 	// fill
-	srcRect.x = fullX + startWidth;
-	srcRect.y = fullY;
+	srcRect.x = fullOffset.X() + startWidth;
+	srcRect.y = fullOffset.Y();
 	srcRect.w = repeatWidth;
 	while (filledWidth > repeatWidth) {
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 		destRect.x += repeatWidth;
 		filledWidth -= repeatWidth;
 	}
-	srcRect.x = emptyX + startWidth;
-	srcRect.y = emptyY;
+	srcRect.x = emptyOffset.X() + startWidth;
+	srcRect.y = emptyOffset.Y();
 	while (emptyWidth > repeatWidth) {
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 		destRect.x += repeatWidth;
@@ -55,12 +67,12 @@ void Gauge::Draw(SDL_Surface *dest, const Vector<int> &position, int width, Uint
 	// end
 	srcRect.w = endWidth;
 	if (fill == 255) {
-		srcRect.x = fullX + startWidth + repeatWidth;
-		srcRect.y = fullY;
+		srcRect.x = fullOffset.X() + startWidth + repeatWidth;
+		srcRect.y = fullOffset.Y();
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 	} else {
-		srcRect.x = emptyX + startWidth + repeatWidth;
-		srcRect.y = emptyY;
+		srcRect.x = emptyOffset.X() + startWidth + repeatWidth;
+		srcRect.y = emptyOffset.Y();
 		SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 	}
 
diff --git a/src/graphics/Gauge.h b/src/graphics/Gauge.h
index fd81877..3251ec2 100644
--- a/src/graphics/Gauge.h
+++ b/src/graphics/Gauge.h
@@ -17,20 +17,27 @@ namespace graphics {
 class Gauge {
 
 public:
-	Gauge(SDL_Surface *s, int fullX, int fullY, int emptyX, int emptyY, int height, int startWidth, int repeatWidth, int endWidth)
-	: surface(s), fullX(fullX), fullY(fullY), emptyX(emptyX), emptyY(emptyY), height(height), startWidth(startWidth), repeatWidth(repeatWidth), endWidth(endWidth) { }
+	explicit Gauge(SDL_Surface *s = 0, int fullX = 0, int fullY = 0, int emptyX = 0, int emptyY = 0, int height = 1, int startWidth = 0, int repeatWidth = 1, int endWidth = 0)
+	: surface(s), fullOffset(fullX, fullY), emptyOffset(emptyX, emptyY), height(height), startWidth(startWidth), repeatWidth(repeatWidth), endWidth(endWidth) { }
 
 public:
 	int MinWidth() const { return startWidth + endWidth; }
 	int Height() const { return height; }
 	void Draw(SDL_Surface *dest, const geometry::Vector<int> &position, int width, Uint8 fill) const;
 
+public:
+	void SetSurface(SDL_Surface *s) { surface = s; }
+	void SetFullOffset(const geometry::Vector<int> &o) { fullOffset = o; }
+	void SetEmptyOffset(const geometry::Vector<int> &o) { emptyOffset = o; }
+	void SetHeight(int h) { height = h; }
+	void SetStartWidth(int w) { startWidth = w; }
+	void SetRepeatWidth(int w) { repeatWidth = w; }
+	void SetEndWidth(int w) { endWidth = w; }
+
 private:
 	SDL_Surface *surface;
-	int fullX;
-	int fullY;
-	int emptyX;
-	int emptyY;
+	geometry::Vector<int> fullOffset;
+	geometry::Vector<int> emptyOffset;
 	int height;
 	int startWidth;
 	int repeatWidth;
-- 
2.39.2