impression/LineBrush.cpp at master · kelvinscarlet/impression · GitHub

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
//
// LineBrush.cpp
//
// The implementation of Line Brush. It is a kind of ImpBrush. All your brush implementations
// will look like the file with the different GL primitive calls.
//

#include "impressionistDoc.h"
#include "impressionistUI.h"
#include "linebrush.h"

extern float frand();

LineBrush::LineBrush(ImpressionistDoc* pDoc, char* name) :
ImpBrush(pDoc, name)
{
}

void LineBrush::BrushBegin(const Point source, const Point target)
{
	ImpressionistDoc* pDoc = GetDocument();
	ImpressionistUI* dlg = pDoc->m_pUI;

	int size = pDoc->getBrushSize();


	glPointSize((float)size);

	BrushMove(source, target);
}

void LineBrush::BrushMove(const Point source, const Point target)
{
	ImpressionistDoc* pDoc = GetDocument();
	ImpressionistUI* dlg = pDoc->m_pUI;

	if (pDoc == NULL) {
		printf("LineBrush::BrushMove  document is NULL\n");
		return;
	}

	glBegin(GL_POINTS);
	SetColor(source);

	glVertex2d(target.x, target.y);

	glEnd();
}

void LineBrush::BrushEnd(const Point source, const Point target)
{
	// do nothing so far
}