// Turn on OpenGL texturing.
   glEnable(GL_TEXTURE_2D);

     // Activate a texture.
   glBindTexture(GL_TEXTURE_2D, m_Texture[0]);

    // Map the texture onto a square polygon.
   glBegin(GL_POLYGON);
   glTexCoord2f(0.0, 1.0); glVertex3f(m_CenterX - m_Width, m_CenterY - m_Height, 0.0);
   glTexCoord2f(1.0, 1.0); glVertex3f(m_CenterX + m_Width, m_CenterY - m_Height, 0.0);
   glTexCoord2f(1.0, 0.0); glVertex3f(m_CenterX + m_Width, m_CenterY + m_Height, 0.0);
   glTexCoord2f(0.0, 0.0); glVertex3f(m_CenterX - m_Width, m_CenterY + m_Height, 0.0);
   glEnd();