glColor4f(m_colour.r, m_colour.g, m_colour.b, m_colour.a);
glBegin(GL_QUADS);
for (unsigned id = 0; id < m_document.ObjectCount(); ++id)
glColor4f(m_colour.r, m_colour.g, m_colour.b, m_colour.a);
glBegin(GL_QUADS);
for (unsigned id = 0; id < m_document.ObjectCount(); ++id)