circleBrush.cpp

//
// CircleBrush.cpp
//
// The implementation of Circle 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 "circleBrush.h"

extern float frand();

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

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

	int size = pDoc->getSize();

	glEnable(GL_POINT_SMOOTH);
	glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
	glPointSize( (float)size );

	BrushMove( source, target );
}

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

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

	glBegin( GL_POINTS );
		SetColor( source );

		glVertex2d( target.x, target.y );

	glEnd();
}

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