static void drawWhileDragging (FormantGridEditor me, double xWC, double yWC, long first, long last, double dt, double dy) {
FormantGrid grid = (FormantGrid) my data;
Ordered tiers = my editingBandwidths ? grid -> bandwidths : grid -> formants;
RealTier tier = (RealTier) tiers -> item [my selectedFormant];
double ymin = my editingBandwidths ? my p_bandwidthFloor : my p_formantFloor;
double ymax = my editingBandwidths ? my p_bandwidthCeiling : my p_formantCeiling;
(void) xWC;
(void) yWC;
/*
* Draw all selected points as magenta empty circles, if inside the window.
*/
for (long i = first; i <= last; i ++) {
RealPoint point = (RealPoint) tier -> points -> item [i];
double t = point -> number + dt, y = point -> value + dy;
if (t >= my d_startWindow && t <= my d_endWindow)
Graphics_circle_mm (my d_graphics, t, y, 3);
}
if (last == first) {
/*
* Draw a crosshair with time and y.
*/
RealPoint point = (RealPoint) tier -> points -> item [first];
double t = point -> number + dt, y = point -> value + dy;
Graphics_line (my d_graphics, t, ymin, t, ymax - Graphics_dyMMtoWC (my d_graphics, 4.0));
Graphics_setTextAlignment (my d_graphics, kGraphics_horizontalAlignment_CENTRE, Graphics_TOP);
Graphics_text (my d_graphics, t, ymax, Melder_fixed (t, 6));
Graphics_line (my d_graphics, my d_startWindow, y, my d_endWindow, y);
Graphics_setTextAlignment (my d_graphics, Graphics_LEFT, Graphics_BOTTOM);
Graphics_text (my d_graphics, my d_startWindow, y, Melder_fixed (y, 6));
}
}
void Polygon_drawCircles (Polygon me, Graphics g,
double xmin, double xmax, double ymin, double ymax, double diameter_mm)
{
Graphics_setInner (g);
setWindow (me, g, xmin, xmax, ymin, ymax);
for (long i = 1; i <= my numberOfPoints; i ++)
Graphics_circle_mm (g, my x [i], my y [i], diameter_mm);
Graphics_unsetInner (g);
}
