1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* Brush.h
*
* Created on: Jan 22, 2012
* Author: Simon
*/
#ifndef BRUSH_H_
#define BRUSH_H_
#include <iostream>
#include "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_ */
|
