Ellipse cursor

1 files changed, 60 insertions, 0 deletions

diff --git a/src/game/EllipseBrush.h b/src/game/EllipseBrush.h
new file mode 100644
index 0000000..7e5825b
--- /dev/null
+++ b/src/game/EllipseBrush.h
@@ -0,0 +1,60 @@
+/*
+ * ElipseBrush.h
+ *
+ *  Created on: Jan 26, 2012
+ *      Author: Simon
+ */
+
+#ifndef ELIPSEBRUSH_H_
+#define ELIPSEBRUSH_H_
+
+#include "Brush.h"
+
+class EllipseBrush: public Brush
+{
+public:
+	EllipseBrush(ui::Point size_):
+		Brush(size_)
+	{
+
+	};
+	//Draw the brush outline onto the screen
+	virtual void Render(Graphics * g, ui::Point position)
+	{
+		if(!bitmap)
+			GenerateBitmap();
+		//g->fillrect(position.X-size.X-1, position.Y-size.Y-1, (size.X*2)+2, (size.Y*2)+2, 255, 0, 255, 70);
+		for(int x = 0; x <= size.X*2; x++)
+		{
+			for(int y = 0; y <= size.Y*2; y++)
+			{
+				if(bitmap[y*(size.X*2)+x])
+					g->blendpixel(position.X-size.X+x, position.Y-size.Y+y, 255, 0, 255, 70);
+			}
+		}
+	}
+	virtual void GenerateBitmap()
+	{
+		if(bitmap)
+			free(bitmap);
+		bitmap = (bool *)malloc(sizeof(bool)*(((size.X*2)+1)*((size.Y*2)+1)));
+		int rx = size.X;
+		int ry = size.Y;
+		for(int x = 0; x <= size.X*2; x++)
+		{
+			for(int y = 0; y <= size.Y*2; y++)
+			{
+				if((pow(x-size.X,2)*pow(ry,2)+pow(y-size.Y,2)*pow(rx,2)<=pow(rx,2)*pow(ry,2)))
+				{
+					bitmap[y*(size.X*2)+x] = true;
+				}
+				else
+				{
+					bitmap[y*(size.X*2)+x] = false;
+				}
+			}
+		}
+	}
+};
+
+#endif /* ELIPSEBRUSH_H_ */