<area shape="rect" href="$class_qwt_color_map.html" title="QwtColorMap is used to map values into colors." alt="" coords="7,31,111,55">
<area shape="rect" href="$class_qwt_alpha_color_map.html" title="QwtAlphaColorMap variies the alpha value of a color." alt="" coords="160,7,299,31">
<area shape="rect" href="$class_qwt_linear_color_map.html" title="QwtLinearColorMap builds a color map from color stops." alt="" coords="159,55,300,79">
