Merge branch 'reorganisation' of github.com:FacialTurd/The-Powder-Toy

1 files changed, 108 insertions, 0 deletions

diff --git a/src/gui/game/Brush.h b/src/gui/game/Brush.h
new file mode 100644
index 0000000..a853609
--- /dev/null
+++ b/src/gui/game/Brush.h
@@ -0,0 +1,108 @@
+#ifndef BRUSH_H_
+#define BRUSH_H_
+
+#include <iostream>
+#include "gui/interface/Point.h"
+
+class Renderer;
+class Brush
+{
+protected:
+	unsigned char * outline;
+	unsigned char * bitmap;
+	ui::Point size;
+	ui::Point radius;
+	void updateOutline()
+	{
+		if(!bitmap)
+			GenerateBitmap();
+		if(!bitmap)
+			return;
+		if(outline)
+			delete[] outline;
+		outline = new unsigned char[size.X*size.Y];
+		for(int x = 0; x < size.X; x++)
+		{
+			for(int y = 0; y < size.Y; y++)
+			{
+				if(bitmap[y*size.X+x] && (!y || !x || x == size.X-1 || y == size.Y-1 || !bitmap[y*size.X+(x+1)] || !bitmap[y*size.X+(x-1)] || !bitmap[(y-1)*size.X+x] || !bitmap[(y+1)*size.X+x]))
+				{
+					outline[y*size.X+x] = 255;
+				}
+				else
+					outline[y*size.X+x] = 0;
+			}
+		}
+	}
+public:
+	Brush(ui::Point size_):
+		bitmap(NULL),
+		outline(NULL),
+		radius(0, 0),
+		size(0, 0)
+	{
+		SetRadius(size_);
+	};
+	
+	//Radius of the brush 0x0 - infxinf (Radius of 0x0 would be 1x1, radius of 1x1 would be 3x3)
+	ui::Point GetRadius()
+	{
+		return radius;
+	}
+	
+	//Size of the brush bitmap mask, 1x1 - infxinf
+	ui::Point GetSize()
+	{
+		return size;
+	}
+	virtual void SetRadius(ui::Point radius)
+	{
+		this->radius = radius;
+		this->size = radius+radius+ui::Point(1, 1);
+
+		GenerateBitmap();
+		updateOutline();
+	}
+	virtual ~Brush() {
+		if(bitmap)
+			delete[] bitmap;
+		if(outline)
+			delete[] outline;
+	}
+	virtual void RenderRect(Renderer * ren, ui::Point position1, ui::Point position2);
+	virtual void RenderLine(Renderer * ren, ui::Point position1, ui::Point position2);
+	virtual void RenderPoint(Renderer * ren, ui::Point position);
+	virtual void RenderFill(Renderer * ren, ui::Point position);
+	virtual void GenerateBitmap()
+	{
+		if(bitmap)
+			delete[] bitmap;
+		bitmap = new unsigned char[size.X*size.Y];
+		for(int x = 0; x < size.X; x++)
+		{
+			for(int y = 0; y < size.Y; y++)
+			{
+				bitmap[(y*size.X)+x] = 255;
+			}
+		}
+	}
+	//Get a bitmap for drawing particles
+	unsigned char * GetBitmap()
+	{
+		if(!bitmap)
+			GenerateBitmap();
+		return bitmap;
+	}
+
+	unsigned char * GetOutline()
+	{
+		if(!outline)
+			updateOutline();
+		if(!outline)
+			return NULL;
+		return outline;
+	}
+};
+
+
+#endif /* BRUSH_H_ */