//----------------------------------------------------
// Set the color to paint with to the color at source,
// which is the coord at the original window to sample
// the color from
//----------------------------------------------------
void ImpBrush::SetColor (const Point source)
{
ImpressionistDoc* pDoc = GetDocument();
float alpha = pDoc->getAlpha();
float* colorBlend = pDoc->getColorBlend();
GLubyte color[4];
memcpy ( color, pDoc->GetOriginalPixel( source ), 3 );
color[0] = static_cast<GLubyte> (color[0] * colorBlend[0]);
color[1] = static_cast<GLubyte> (color[1] * colorBlend[1]);
color[2] = static_cast<GLubyte> (color[2] * colorBlend[2]);
color[3] = static_cast<GLubyte>(alpha * 255.f);
glColor4ubv( color );
}
