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#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_ */
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